diff --git a/main.js b/main.js index b9dd8555..09f39e2c 100644 --- a/main.js +++ b/main.js @@ -26291,22987 +26291,22759 @@ class BCSettingTab extends obsidian.PluginSettingTab { } } -class FieldSuggestor extends obsidian.EditorSuggest { - constructor(plugin) { - super(plugin.app); - this.getSuggestions = (context) => { - const { query } = context; - return BC_FIELDS.map((sug) => sug.field).filter((sug) => sug.includes(query)); - }; - this.plugin = plugin; - } - onTrigger(cursor, editor, _) { - var _a; - if (this.plugin.settings.fieldSuggestor) { - const sub = editor.getLine(cursor.line).substring(0, cursor.ch); - const match = (_a = sub.match(/^BC-(.*)$/)) === null || _a === void 0 ? void 0 : _a[1]; - if (match !== undefined) { - return { - end: cursor, - start: { - ch: sub.lastIndexOf(match), - line: cursor.line, - }, - query: match, - }; - } - } - return null; - } - renderSuggestion(suggestion, el) { - var _a; - el.createDiv({ - text: suggestion.replace("BC-", ""), - cls: "BC-suggester-container", - attr: { - "aria-label": (_a = BC_FIELDS.find((f) => f.field === suggestion)) === null || _a === void 0 ? void 0 : _a.desc, - "aria-label-position": "right", - }, - }); - } - selectSuggestion(suggestion) { - var _a; - const { context } = this; - if (context) { - const replacement = `${suggestion}${(_a = BC_FIELDS.find((f) => f.field === suggestion)) === null || _a === void 0 ? void 0 : _a.after}`; - context.editor.replaceRange(replacement, { ch: 0, line: context.start.line }, context.end); - } - } -} +/* src\Components\NextPrev.svelte generated by Svelte v3.35.0 */ -var d3Array = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-array/ v2.12.1 Copyright 2021 Mike Bostock -(function (global, factory) { -factory(exports) ; -}(commonjsGlobal, (function (exports) { -function ascending(a, b) { - return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; +function add_css$2() { + var style = element("style"); + style.id = "svelte-1cqb0v5-style"; + style.textContent = ".BC-nexts.svelte-1cqb0v5 div.svelte-1cqb0v5{text-align:right}.BC-right-arrow.svelte-1cqb0v5.svelte-1cqb0v5{padding-left:5px;float:right}.BC-left-arrow.svelte-1cqb0v5.svelte-1cqb0v5{padding-right:5px;float:left}.BC-nexts.svelte-1cqb0v5.svelte-1cqb0v5{border-left:1px solid var(--background-modifier-border)}.BC-prevs.svelte-1cqb0v5.svelte-1cqb0v5{border-right:1px solid var(--background-modifier-border)}.BC-NextPrev-Container.svelte-1cqb0v5.svelte-1cqb0v5{display:grid;grid-template-columns:1fr 1fr}"; + append(document.head, style); } -function bisector(f) { - let delta = f; - let compare = f; +function get_each_context$3(ctx, list, i) { + const child_ctx = ctx.slice(); + child_ctx[6] = list[i]; + return child_ctx; +} - if (f.length === 1) { - delta = (d, x) => f(d) - x; - compare = ascendingComparator(f); - } +function get_each_context_1$3(ctx, list, i) { + const child_ctx = ctx.slice(); + child_ctx[9] = list[i]; + return child_ctx; +} - function left(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; - while (lo < hi) { - const mid = (lo + hi) >>> 1; - if (compare(a[mid], x) < 0) lo = mid + 1; - else hi = mid; - } - return lo; - } +// (15:6) {#each prev as p} +function create_each_block_1$3(ctx) { + let div; + let strong; + let t0_value = /*p*/ ctx[9].field + ""; + let t0; + let t1; + let t2_value = /*p*/ ctx[9].to + ""; + let t2; + let t3; + let div_class_value; + let mounted; + let dispose; - function right(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; - while (lo < hi) { - const mid = (lo + hi) >>> 1; - if (compare(a[mid], x) > 0) hi = mid; - else lo = mid + 1; - } - return lo; - } + function click_handler(...args) { + return /*click_handler*/ ctx[4](/*p*/ ctx[9], ...args); + } - function center(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; - const i = left(a, x, lo, hi - 1); - return i > lo && delta(a[i - 1], x) > -delta(a[i], x) ? i - 1 : i; - } + return { + c() { + div = element("div"); + strong = element("strong"); + t0 = text(t0_value); + t1 = space(); + t2 = text(t2_value); + t3 = space(); + attr(div, "class", div_class_value = "" + (null_to_empty(linkClass(/*app*/ ctx[0], /*p*/ ctx[9].to, /*p*/ ctx[9].real)) + " svelte-1cqb0v5")); + }, + m(target, anchor) { + insert(target, div, anchor); + append(div, strong); + append(strong, t0); + append(div, t1); + append(div, t2); + append(div, t3); - return {left, center, right}; -} + if (!mounted) { + dispose = listen(div, "click", click_handler); + mounted = true; + } + }, + p(new_ctx, dirty) { + ctx = new_ctx; + if (dirty & /*prev*/ 4 && t0_value !== (t0_value = /*p*/ ctx[9].field + "")) set_data(t0, t0_value); + if (dirty & /*prev*/ 4 && t2_value !== (t2_value = /*p*/ ctx[9].to + "")) set_data(t2, t2_value); -function ascendingComparator(f) { - return (d, x) => ascending(f(d), x); + if (dirty & /*app, prev*/ 5 && div_class_value !== (div_class_value = "" + (null_to_empty(linkClass(/*app*/ ctx[0], /*p*/ ctx[9].to, /*p*/ ctx[9].real)) + " svelte-1cqb0v5"))) { + attr(div, "class", div_class_value); + } + }, + d(detaching) { + if (detaching) detach(div); + mounted = false; + dispose(); + } + }; } -function number(x) { - return x === null ? NaN : +x; -} +// (28:6) {#each next as n} +function create_each_block$3(ctx) { + let div; + let t0_value = /*n*/ ctx[6].to + ""; + let t0; + let t1; + let strong; + let t2_value = /*n*/ ctx[6].field + ""; + let t2; + let t3; + let div_class_value; + let mounted; + let dispose; -function* numbers(values, valueof) { - if (valueof === undefined) { - for (let value of values) { - if (value != null && (value = +value) >= value) { - yield value; - } - } - } else { - let index = -1; - for (let value of values) { - if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) { - yield value; - } - } - } -} + function click_handler_1(...args) { + return /*click_handler_1*/ ctx[5](/*n*/ ctx[6], ...args); + } -const ascendingBisect = bisector(ascending); -const bisectRight = ascendingBisect.right; -const bisectLeft = ascendingBisect.left; -const bisectCenter = bisector(number).center; + return { + c() { + div = element("div"); + t0 = text(t0_value); + t1 = space(); + strong = element("strong"); + t2 = text(t2_value); + t3 = space(); + attr(div, "class", div_class_value = "" + (linkClass(/*app*/ ctx[0], /*n*/ ctx[6].to, /*n*/ ctx[6].real) + " BC-next" + " svelte-1cqb0v5")); + }, + m(target, anchor) { + insert(target, div, anchor); + append(div, t0); + append(div, t1); + append(div, strong); + append(strong, t2); + append(div, t3); -function count(values, valueof) { - let count = 0; - if (valueof === undefined) { - for (let value of values) { - if (value != null && (value = +value) >= value) { - ++count; - } - } - } else { - let index = -1; - for (let value of values) { - if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) { - ++count; - } - } - } - return count; -} + if (!mounted) { + dispose = listen(div, "click", click_handler_1); + mounted = true; + } + }, + p(new_ctx, dirty) { + ctx = new_ctx; + if (dirty & /*next*/ 2 && t0_value !== (t0_value = /*n*/ ctx[6].to + "")) set_data(t0, t0_value); + if (dirty & /*next*/ 2 && t2_value !== (t2_value = /*n*/ ctx[6].field + "")) set_data(t2, t2_value); -function length$1(array) { - return array.length | 0; + if (dirty & /*app, next*/ 3 && div_class_value !== (div_class_value = "" + (linkClass(/*app*/ ctx[0], /*n*/ ctx[6].to, /*n*/ ctx[6].real) + " BC-next" + " svelte-1cqb0v5"))) { + attr(div, "class", div_class_value); + } + }, + d(detaching) { + if (detaching) detach(div); + mounted = false; + dispose(); + } + }; } -function empty(length) { - return !(length > 0); -} +function create_fragment$3(ctx) { + let div2; + let div0; + let span0; + let t; + let div1; + let span1; + let each_value_1 = /*prev*/ ctx[2]; + let each_blocks_1 = []; -function arrayify(values) { - return typeof values !== "object" || "length" in values ? values : Array.from(values); -} + for (let i = 0; i < each_value_1.length; i += 1) { + each_blocks_1[i] = create_each_block_1$3(get_each_context_1$3(ctx, each_value_1, i)); + } -function reducer(reduce) { - return values => reduce(...values); + let each_value = /*next*/ ctx[1]; + let each_blocks = []; + + for (let i = 0; i < each_value.length; i += 1) { + each_blocks[i] = create_each_block$3(get_each_context$3(ctx, each_value, i)); + } + + return { + c() { + div2 = element("div"); + div0 = element("div"); + span0 = element("span"); + + for (let i = 0; i < each_blocks_1.length; i += 1) { + each_blocks_1[i].c(); + } + + t = space(); + div1 = element("div"); + span1 = element("span"); + + for (let i = 0; i < each_blocks.length; i += 1) { + each_blocks[i].c(); + } + + attr(div0, "class", "BC-prevs svelte-1cqb0v5"); + attr(div1, "class", "BC-nexts svelte-1cqb0v5"); + attr(div2, "class", "BC-NextPrev-Container svelte-1cqb0v5"); + }, + m(target, anchor) { + insert(target, div2, anchor); + append(div2, div0); + append(div0, span0); + + for (let i = 0; i < each_blocks_1.length; i += 1) { + each_blocks_1[i].m(span0, null); + } + + append(div2, t); + append(div2, div1); + append(div1, span1); + + for (let i = 0; i < each_blocks.length; i += 1) { + each_blocks[i].m(span1, null); + } + }, + p(ctx, [dirty]) { + if (dirty & /*linkClass, app, prev, openOrSwitch*/ 5) { + each_value_1 = /*prev*/ ctx[2]; + let i; + + for (i = 0; i < each_value_1.length; i += 1) { + const child_ctx = get_each_context_1$3(ctx, each_value_1, i); + + if (each_blocks_1[i]) { + each_blocks_1[i].p(child_ctx, dirty); + } else { + each_blocks_1[i] = create_each_block_1$3(child_ctx); + each_blocks_1[i].c(); + each_blocks_1[i].m(span0, null); + } + } + + for (; i < each_blocks_1.length; i += 1) { + each_blocks_1[i].d(1); + } + + each_blocks_1.length = each_value_1.length; + } + + if (dirty & /*linkClass, app, next, openOrSwitch*/ 3) { + each_value = /*next*/ ctx[1]; + let i; + + for (i = 0; i < each_value.length; i += 1) { + const child_ctx = get_each_context$3(ctx, each_value, i); + + if (each_blocks[i]) { + each_blocks[i].p(child_ctx, dirty); + } else { + each_blocks[i] = create_each_block$3(child_ctx); + each_blocks[i].c(); + each_blocks[i].m(span1, null); + } + } + + for (; i < each_blocks.length; i += 1) { + each_blocks[i].d(1); + } + + each_blocks.length = each_value.length; + } + }, + i: noop, + o: noop, + d(detaching) { + if (detaching) detach(div2); + destroy_each(each_blocks_1, detaching); + destroy_each(each_blocks, detaching); + } + }; } -function cross(...values) { - const reduce = typeof values[values.length - 1] === "function" && reducer(values.pop()); - values = values.map(arrayify); - const lengths = values.map(length$1); - const j = values.length - 1; - const index = new Array(j + 1).fill(0); - const product = []; - if (j < 0 || lengths.some(empty)) return product; - while (true) { - product.push(index.map((j, i) => values[i][j])); - let i = j; - while (++index[i] === lengths[i]) { - if (i === 0) return reduce ? product.map(reduce) : product; - index[i--] = 0; - } - } +function instance$3($$self, $$props, $$invalidate) { + + + + let { app } = $$props; + let { plugin } = $$props; + let { next } = $$props; + let { prev } = $$props; + const click_handler = async (p, e) => openOrSwitch(app, p.to, e); + const click_handler_1 = async (n, e) => openOrSwitch(app, n.to, e); + + $$self.$$set = $$props => { + if ("app" in $$props) $$invalidate(0, app = $$props.app); + if ("plugin" in $$props) $$invalidate(3, plugin = $$props.plugin); + if ("next" in $$props) $$invalidate(1, next = $$props.next); + if ("prev" in $$props) $$invalidate(2, prev = $$props.prev); + }; + + return [app, next, prev, plugin, click_handler, click_handler_1]; } -function cumsum(values, valueof) { - var sum = 0, index = 0; - return Float64Array.from(values, valueof === undefined - ? v => (sum += +v || 0) - : v => (sum += +valueof(v, index++, values) || 0)); +class NextPrev extends SvelteComponent { + constructor(options) { + super(); + if (!document.getElementById("svelte-1cqb0v5-style")) add_css$2(); + init(this, options, instance$3, create_fragment$3, safe_not_equal, { app: 0, plugin: 3, next: 1, prev: 2 }); + } } -function descending(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; +/* src\Components\TrailGrid.svelte generated by Svelte v3.35.0 */ + +function add_css$1() { + var style = element("style"); + style.id = "svelte-ybyqyo-style"; + style.textContent = "div.BC-trail-grid.svelte-ybyqyo{border:2px solid var(--background-modifier-border);display:grid;align-items:stretch;width:auto;height:auto}div.BC-trail-grid-item.svelte-ybyqyo{display:flex;flex-direction:column;border:1px solid var(--background-modifier-border);align-items:center;justify-content:center;padding:2px;font-size:smaller}div.BC-trail-grid-item.BC-filler.svelte-ybyqyo{opacity:0.7}.dot.svelte-ybyqyo{height:5px;width:5px;border-radius:50%;display:inline-block}"; + append(document.head, style); } -function variance(values, valueof) { - let count = 0; - let delta; - let mean = 0; - let sum = 0; - if (valueof === undefined) { - for (let value of values) { - if (value != null && (value = +value) >= value) { - delta = value - mean; - mean += delta / ++count; - sum += delta * (value - mean); - } - } - } else { - let index = -1; - for (let value of values) { - if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) { - delta = value - mean; - mean += delta / ++count; - sum += delta * (value - mean); - } - } - } - if (count > 1) return sum / (count - 1); +function get_each_context$2(ctx, list, i) { + const child_ctx = ctx.slice(); + child_ctx[21] = list[i]; + child_ctx[23] = i; + return child_ctx; } -function deviation(values, valueof) { - const v = variance(values, valueof); - return v ? Math.sqrt(v) : v; +function get_each_context_1$2(ctx, list, i) { + const child_ctx = ctx.slice(); + child_ctx[24] = list[i]; + return child_ctx; } -function extent(values, valueof) { - let min; - let max; - if (valueof === undefined) { - for (const value of values) { - if (value != null) { - if (min === undefined) { - if (value >= value) min = max = value; - } else { - if (min > value) min = value; - if (max < value) max = value; - } - } - } - } else { - let index = -1; - for (let value of values) { - if ((value = valueof(value, ++index, values)) != null) { - if (min === undefined) { - if (value >= value) min = max = value; - } else { - if (min > value) min = value; - if (max < value) max = value; - } - } - } - } - return [min, max]; +function get_each_context_2(ctx, list, i) { + const child_ctx = ctx.slice(); + child_ctx[23] = list[i]; + return child_ctx; } -// https://github.com/python/cpython/blob/a74eea238f5baba15797e2e8b570d153bc8690a7/Modules/mathmodule.c#L1423 -class Adder { - constructor() { - this._partials = new Float64Array(32); - this._n = 0; - } - add(x) { - const p = this._partials; - let i = 0; - for (let j = 0; j < this._n && j < 32; j++) { - const y = p[j], - hi = x + y, - lo = Math.abs(x) < Math.abs(y) ? x - (hi - y) : y - (hi - x); - if (lo) p[i++] = lo; - x = hi; - } - p[i] = x; - this._n = i + 1; - return this; - } - valueOf() { - const p = this._partials; - let n = this._n, x, y, lo, hi = 0; - if (n > 0) { - hi = p[--n]; - while (n > 0) { - x = hi; - y = p[--n]; - hi = x + y; - lo = y - (hi - x); - if (lo) break; - } - if (n > 0 && ((lo < 0 && p[n - 1] < 0) || (lo > 0 && p[n - 1] > 0))) { - y = lo * 2; - x = hi + y; - if (y == x - hi) hi = x; - } - } - return hi; - } -} - -function fsum(values, valueof) { - const adder = new Adder(); - if (valueof === undefined) { - for (let value of values) { - if (value = +value) { - adder.add(value); - } - } - } else { - let index = -1; - for (let value of values) { - if (value = +valueof(value, ++index, values)) { - adder.add(value); - } - } - } - return +adder; -} +// (82:8) {#if step.value && settings.gridDots} +function create_if_block$1(ctx) { + let div; + let each_value_2 = lodash.range(Math.floor(/*wordCounts*/ ctx[2][/*step*/ ctx[24].value] / 1000)); + let each_blocks = []; -function fcumsum(values, valueof) { - const adder = new Adder(); - let index = -1; - return Float64Array.from(values, valueof === undefined - ? v => adder.add(+v || 0) - : v => adder.add(+valueof(v, ++index, values) || 0) - ); -} + for (let i = 0; i < each_value_2.length; i += 1) { + each_blocks[i] = create_each_block_2(get_each_context_2(ctx, each_value_2, i)); + } -class InternMap extends Map { - constructor(entries, key = keyof) { - super(); - Object.defineProperties(this, {_intern: {value: new Map()}, _key: {value: key}}); - if (entries != null) for (const [key, value] of entries) this.set(key, value); - } - get(key) { - return super.get(intern_get(this, key)); - } - has(key) { - return super.has(intern_get(this, key)); - } - set(key, value) { - return super.set(intern_set(this, key), value); - } - delete(key) { - return super.delete(intern_delete(this, key)); - } -} + return { + c() { + div = element("div"); -class InternSet extends Set { - constructor(values, key = keyof) { - super(); - Object.defineProperties(this, {_intern: {value: new Map()}, _key: {value: key}}); - if (values != null) for (const value of values) this.add(value); - } - has(value) { - return super.has(intern_get(this, value)); - } - add(value) { - return super.add(intern_set(this, value)); - } - delete(value) { - return super.delete(intern_delete(this, value)); - } -} + for (let i = 0; i < each_blocks.length; i += 1) { + each_blocks[i].c(); + } -function intern_get({_intern, _key}, value) { - const key = _key(value); - return _intern.has(key) ? _intern.get(key) : value; -} + attr(div, "class", "dots"); + }, + m(target, anchor) { + insert(target, div, anchor); -function intern_set({_intern, _key}, value) { - const key = _key(value); - if (_intern.has(key)) return _intern.get(key); - _intern.set(key, value); - return value; -} + for (let i = 0; i < each_blocks.length; i += 1) { + each_blocks[i].m(div, null); + } + }, + p(ctx, dirty) { + if (dirty & /*settings, wordCounts*/ 20) { + each_value_2 = lodash.range(Math.floor(/*wordCounts*/ ctx[2][/*step*/ ctx[24].value] / 1000)); + let i; -function intern_delete({_intern, _key}, value) { - const key = _key(value); - if (_intern.has(key)) { - value = _intern.get(value); - _intern.delete(key); - } - return value; -} + for (i = 0; i < each_value_2.length; i += 1) { + const child_ctx = get_each_context_2(ctx, each_value_2, i); -function keyof(value) { - return value !== null && typeof value === "object" ? value.valueOf() : value; -} + if (each_blocks[i]) { + each_blocks[i].p(child_ctx, dirty); + } else { + each_blocks[i] = create_each_block_2(child_ctx); + each_blocks[i].c(); + each_blocks[i].m(div, null); + } + } -function identity(x) { - return x; -} + for (; i < each_blocks.length; i += 1) { + each_blocks[i].d(1); + } -function group(values, ...keys) { - return nest(values, identity, identity, keys); + each_blocks.length = each_value_2.length; + } + }, + d(detaching) { + if (detaching) detach(div); + destroy_each(each_blocks, detaching); + } + }; } -function groups(values, ...keys) { - return nest(values, Array.from, identity, keys); -} +// (84:12) {#each range(Math.floor(wordCounts[step.value] / 1000)) as i} +function create_each_block_2(ctx) { + let span; -function rollup(values, reduce, ...keys) { - return nest(values, identity, reduce, keys); + return { + c() { + span = element("span"); + attr(span, "class", "dot svelte-ybyqyo"); + set_style(span, "background-color", /*settings*/ ctx[4].dotsColour); + }, + m(target, anchor) { + insert(target, span, anchor); + }, + p: noop, + d(detaching) { + if (detaching) detach(span); + } + }; } -function rollups(values, reduce, ...keys) { - return nest(values, Array.from, reduce, keys); -} +// (65:4) {#each allRuns[i] as step} +function create_each_block_1$2(ctx) { + let div1; + let div0; + let t0_value = /*step*/ ctx[24].value + ""; + let t0; + let div0_class_value; + let t1; + let t2; + let div1_class_value; + let div1_style_value; + let mounted; + let dispose; + let if_block = /*step*/ ctx[24].value && /*settings*/ ctx[4].gridDots && create_if_block$1(ctx); -function index(values, ...keys) { - return nest(values, identity, unique, keys); -} + function click_handler(...args) { + return /*click_handler*/ ctx[9](/*step*/ ctx[24], ...args); + } -function indexes(values, ...keys) { - return nest(values, Array.from, unique, keys); -} + function mouseover_handler(...args) { + return /*mouseover_handler*/ ctx[10](/*step*/ ctx[24], ...args); + } -function unique(values) { - if (values.length !== 1) throw new Error("duplicate key"); - return values[0]; -} + return { + c() { + div1 = element("div"); + div0 = element("div"); + t0 = text(t0_value); + t1 = space(); + if (if_block) if_block.c(); + t2 = space(); + attr(div0, "class", div0_class_value = "" + (null_to_empty(linkClass(/*app*/ ctx[1], /*step*/ ctx[24].value)) + " svelte-ybyqyo")); + attr(div1, "class", div1_class_value = "BC-trail-grid-item " + (/*step*/ ctx[24].value === "" ? "BC-filler" : "") + " svelte-ybyqyo"); -function nest(values, map, reduce, keys) { - return (function regroup(values, i) { - if (i >= keys.length) return reduce(values); - const groups = new InternMap(); - const keyof = keys[i++]; - let index = -1; - for (const value of values) { - const key = keyof(value, ++index, values); - const group = groups.get(key); - if (group) group.push(value); - else groups.set(key, [value]); - } - for (const [key, values] of groups) { - groups.set(key, regroup(values, i)); - } - return map(groups); - })(values, 0); -} + attr(div1, "style", div1_style_value = "\r\n grid-area: " + (/*step*/ ctx[24].first + 1) + " / " + (/*i*/ ctx[23] + 1) + " / \r\n " + (/*step*/ ctx[24].last + 2) + " / " + (/*i*/ ctx[23] + 2) + ";\r\n " + (/*settings*/ ctx[4].gridHeatmap + ? `background-color: ${/*settings*/ ctx[4].heatmapColour}${Math.round(/*children*/ ctx[3][/*step*/ ctx[24].value] * 200 + 55).toString(16)}` + : "")); + }, + m(target, anchor) { + insert(target, div1, anchor); + append(div1, div0); + append(div0, t0); + append(div1, t1); + if (if_block) if_block.m(div1, null); + append(div1, t2); -function permute(source, keys) { - return Array.from(keys, key => source[key]); -} - -function sort(values, ...F) { - if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable"); - values = Array.from(values); - let [f = ascending] = F; - if (f.length === 1 || F.length > 1) { - const index = Uint32Array.from(values, (d, i) => i); - if (F.length > 1) { - F = F.map(f => values.map(f)); - index.sort((i, j) => { - for (const f of F) { - const c = ascending(f[i], f[j]); - if (c) return c; - } - }); - } else { - f = values.map(f); - index.sort((i, j) => ascending(f[i], f[j])); - } - return permute(values, index); - } - return values.sort(f); -} + if (!mounted) { + dispose = [ + listen(div1, "click", click_handler), + listen(div1, "mouseover", mouseover_handler) + ]; -function groupSort(values, reduce, key) { - return (reduce.length === 1 - ? sort(rollup(values, reduce, key), (([ak, av], [bk, bv]) => ascending(av, bv) || ascending(ak, bk))) - : sort(group(values, key), (([ak, av], [bk, bv]) => reduce(av, bv) || ascending(ak, bk)))) - .map(([key]) => key); -} + mounted = true; + } + }, + p(new_ctx, dirty) { + ctx = new_ctx; -var array = Array.prototype; + if (dirty & /*app*/ 2 && div0_class_value !== (div0_class_value = "" + (null_to_empty(linkClass(/*app*/ ctx[1], /*step*/ ctx[24].value)) + " svelte-ybyqyo"))) { + attr(div0, "class", div0_class_value); + } -var slice = array.slice; + if (/*step*/ ctx[24].value && /*settings*/ ctx[4].gridDots) if_block.p(ctx, dirty); -function constant(x) { - return function() { - return x; - }; + if (dirty & /*children*/ 8 && div1_style_value !== (div1_style_value = "\r\n grid-area: " + (/*step*/ ctx[24].first + 1) + " / " + (/*i*/ ctx[23] + 1) + " / \r\n " + (/*step*/ ctx[24].last + 2) + " / " + (/*i*/ ctx[23] + 2) + ";\r\n " + (/*settings*/ ctx[4].gridHeatmap + ? `background-color: ${/*settings*/ ctx[4].heatmapColour}${Math.round(/*children*/ ctx[3][/*step*/ ctx[24].value] * 200 + 55).toString(16)}` + : ""))) { + attr(div1, "style", div1_style_value); + } + }, + d(detaching) { + if (detaching) detach(div1); + if (if_block) if_block.d(); + mounted = false; + run_all(dispose); + } + }; } -var e10 = Math.sqrt(50), - e5 = Math.sqrt(10), - e2 = Math.sqrt(2); +// (64:2) {#each transposedTrails as col, i} +function create_each_block$2(ctx) { + let each_1_anchor; + let each_value_1 = /*allRuns*/ ctx[7][/*i*/ ctx[23]]; + let each_blocks = []; -function ticks(start, stop, count) { - var reverse, - i = -1, - n, - ticks, - step; + for (let i = 0; i < each_value_1.length; i += 1) { + each_blocks[i] = create_each_block_1$2(get_each_context_1$2(ctx, each_value_1, i)); + } - stop = +stop, start = +start, count = +count; - if (start === stop && count > 0) return [start]; - if (reverse = stop < start) n = start, start = stop, stop = n; - if ((step = tickIncrement(start, stop, count)) === 0 || !isFinite(step)) return []; + return { + c() { + for (let i = 0; i < each_blocks.length; i += 1) { + each_blocks[i].c(); + } - if (step > 0) { - let r0 = Math.round(start / step), r1 = Math.round(stop / step); - if (r0 * step < start) ++r0; - if (r1 * step > stop) --r1; - ticks = new Array(n = r1 - r0 + 1); - while (++i < n) ticks[i] = (r0 + i) * step; - } else { - step = -step; - let r0 = Math.round(start * step), r1 = Math.round(stop * step); - if (r0 / step < start) ++r0; - if (r1 / step > stop) --r1; - ticks = new Array(n = r1 - r0 + 1); - while (++i < n) ticks[i] = (r0 + i) / step; - } + each_1_anchor = empty(); + }, + m(target, anchor) { + for (let i = 0; i < each_blocks.length; i += 1) { + each_blocks[i].m(target, anchor); + } - if (reverse) ticks.reverse(); + insert(target, each_1_anchor, anchor); + }, + p(ctx, dirty) { + if (dirty & /*allRuns, settings, Math, children, openOrSwitch, app, hoverPreview, activeLeafView, range, wordCounts, linkClass*/ 190) { + each_value_1 = /*allRuns*/ ctx[7][/*i*/ ctx[23]]; + let i; - return ticks; -} + for (i = 0; i < each_value_1.length; i += 1) { + const child_ctx = get_each_context_1$2(ctx, each_value_1, i); -function tickIncrement(start, stop, count) { - var step = (stop - start) / Math.max(0, count), - power = Math.floor(Math.log(step) / Math.LN10), - error = step / Math.pow(10, power); - return power >= 0 - ? (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1) * Math.pow(10, power) - : -Math.pow(10, -power) / (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1); -} + if (each_blocks[i]) { + each_blocks[i].p(child_ctx, dirty); + } else { + each_blocks[i] = create_each_block_1$2(child_ctx); + each_blocks[i].c(); + each_blocks[i].m(each_1_anchor.parentNode, each_1_anchor); + } + } -function tickStep(start, stop, count) { - var step0 = Math.abs(stop - start) / Math.max(0, count), - step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)), - error = step0 / step1; - if (error >= e10) step1 *= 10; - else if (error >= e5) step1 *= 5; - else if (error >= e2) step1 *= 2; - return stop < start ? -step1 : step1; -} + for (; i < each_blocks.length; i += 1) { + each_blocks[i].d(1); + } -function nice(start, stop, count) { - let prestep; - while (true) { - const step = tickIncrement(start, stop, count); - if (step === prestep || step === 0 || !isFinite(step)) { - return [start, stop]; - } else if (step > 0) { - start = Math.floor(start / step) * step; - stop = Math.ceil(stop / step) * step; - } else if (step < 0) { - start = Math.ceil(start * step) / step; - stop = Math.floor(stop * step) / step; - } - prestep = step; - } + each_blocks.length = each_value_1.length; + } + }, + d(detaching) { + destroy_each(each_blocks, detaching); + if (detaching) detach(each_1_anchor); + } + }; } -function sturges(values) { - return Math.ceil(Math.log(count(values)) / Math.LN2) + 1; -} +function create_fragment$2(ctx) { + let div; + let each_value = /*transposedTrails*/ ctx[6]; + let each_blocks = []; -function bin() { - var value = identity, - domain = extent, - threshold = sturges; + for (let i = 0; i < each_value.length; i += 1) { + each_blocks[i] = create_each_block$2(get_each_context$2(ctx, each_value, i)); + } - function histogram(data) { - if (!Array.isArray(data)) data = Array.from(data); + return { + c() { + div = element("div"); - var i, - n = data.length, - x, - values = new Array(n); + for (let i = 0; i < each_blocks.length; i += 1) { + each_blocks[i].c(); + } - for (i = 0; i < n; ++i) { - values[i] = value(data[i], i, data); - } + attr(div, "class", "BC-trail-grid svelte-ybyqyo"); + set_style(div, "grid-template-columns", ("1fr ").repeat(/*transposedTrails*/ ctx[6].length)); + set_style(div, "grid-template-rows", ("1fr ").repeat(/*sortedTrails*/ ctx[0].length)); + }, + m(target, anchor) { + insert(target, div, anchor); - var xz = domain(values), - x0 = xz[0], - x1 = xz[1], - tz = threshold(values, x0, x1); + for (let i = 0; i < each_blocks.length; i += 1) { + each_blocks[i].m(div, null); + } + }, + p(ctx, [dirty]) { + if (dirty & /*allRuns, settings, Math, children, openOrSwitch, app, hoverPreview, activeLeafView, range, wordCounts, linkClass*/ 190) { + each_value = /*transposedTrails*/ ctx[6]; + let i; - // Convert number of thresholds into uniform thresholds, and nice the - // default domain accordingly. - if (!Array.isArray(tz)) { - const max = x1, tn = +tz; - if (domain === extent) [x0, x1] = nice(x0, x1, tn); - tz = ticks(x0, x1, tn); + for (i = 0; i < each_value.length; i += 1) { + const child_ctx = get_each_context$2(ctx, each_value, i); - // If the last threshold is coincident with the domain’s upper bound, the - // last bin will be zero-width. If the default domain is used, and this - // last threshold is coincident with the maximum input value, we can - // extend the niced upper bound by one tick to ensure uniform bin widths; - // otherwise, we simply remove the last threshold. Note that we don’t - // coerce values or the domain to numbers, and thus must be careful to - // compare order (>=) rather than strict equality (===)! - if (tz[tz.length - 1] >= x1) { - if (max >= x1 && domain === extent) { - const step = tickIncrement(x0, x1, tn); - if (isFinite(step)) { - if (step > 0) { - x1 = (Math.floor(x1 / step) + 1) * step; - } else if (step < 0) { - x1 = (Math.ceil(x1 * -step) + 1) / -step; - } - } - } else { - tz.pop(); - } - } - } + if (each_blocks[i]) { + each_blocks[i].p(child_ctx, dirty); + } else { + each_blocks[i] = create_each_block$2(child_ctx); + each_blocks[i].c(); + each_blocks[i].m(div, null); + } + } - // Remove any thresholds outside the domain. - var m = tz.length; - while (tz[0] <= x0) tz.shift(), --m; - while (tz[m - 1] > x1) tz.pop(), --m; - - var bins = new Array(m + 1), - bin; - - // Initialize bins. - for (i = 0; i <= m; ++i) { - bin = bins[i] = []; - bin.x0 = i > 0 ? tz[i - 1] : x0; - bin.x1 = i < m ? tz[i] : x1; - } + for (; i < each_blocks.length; i += 1) { + each_blocks[i].d(1); + } - // Assign data to bins by value, ignoring any outside the domain. - for (i = 0; i < n; ++i) { - x = values[i]; - if (x0 <= x && x <= x1) { - bins[bisectRight(tz, x, 0, m)].push(data[i]); - } - } + each_blocks.length = each_value.length; + } - return bins; - } + if (dirty & /*sortedTrails*/ 1) { + set_style(div, "grid-template-rows", ("1fr ").repeat(/*sortedTrails*/ ctx[0].length)); + } + }, + i: noop, + o: noop, + d(detaching) { + if (detaching) detach(div); + destroy_each(each_blocks, detaching); + } + }; +} - histogram.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant(_), histogram) : value; - }; +function instance$2($$self, $$props, $$invalidate) { + + + let { sortedTrails } = $$props; + let { app } = $$props; + let { plugin } = $$props; + const settings = plugin.settings; + const currFile = app.workspace.getActiveFile(); + const activeLeafView = app.workspace.activeLeaf.view; + const allCells = [...new Set(sortedTrails.reduce((a, b) => [...a, ...b]))]; + const wordCounts = {}; - histogram.domain = function(_) { - return arguments.length ? (domain = typeof _ === "function" ? _ : constant([_[0], _[1]]), histogram) : domain; - }; + allCells.forEach(cell => { + var _a; - histogram.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), histogram) : threshold; - }; + try { + $$invalidate( + 2, + wordCounts[cell] = (_a = app.metadataCache.getFirstLinkpathDest(cell, "")) === null || _a === void 0 + ? void 0 + : _a.stat.size, + wordCounts + ); + } catch(error) { + console.log(error); + console.log({ currFile }); + $$invalidate(2, wordCounts[cell] = 0, wordCounts); + } + }); - return histogram; -} + // const data: {[cell: string]: number} = {} + // allCells.forEach(cell => data[cell] = app.metadataCache.getFileCache(app.metadataCache.getFirstLinkpathDest(cell, currFile.path))?.links.length ?? 0); + const { mainG } = plugin; -function max(values, valueof) { - let max; - if (valueof === undefined) { - for (const value of values) { - if (value != null - && (max < value || (max === undefined && value >= value))) { - max = value; - } - } - } else { - let index = -1; - for (let value of values) { - if ((value = valueof(value, ++index, values)) != null - && (max < value || (max === undefined && value >= value))) { - max = value; - } - } - } - return max; -} + const [up, down] = [getSubInDirs(mainG, "up"), getSubInDirs(mainG, "down")]; + const closedParents = closeImpliedLinks(up, down); + const children = {}; + allCells.forEach(cell => $$invalidate(3, children[cell] = getOutNeighbours(closedParents, cell).length, children)); + const normalisedData = normalise(Object.values(children)); -function min(values, valueof) { - let min; - if (valueof === undefined) { - for (const value of values) { - if (value != null - && (min > value || (min === undefined && value >= value))) { - min = value; - } - } - } else { - let index = -1; - for (let value of values) { - if ((value = valueof(value, ++index, values)) != null - && (min > value || (min === undefined && value >= value))) { - min = value; - } - } - } - return min; -} + allCells.forEach((cell, i) => { + $$invalidate(3, children[cell] = normalisedData[i], children); + }); -// Based on https://github.com/mourner/quickselect -// ISC license, Copyright 2018 Vladimir Agafonkin. -function quickselect(array, k, left = 0, right = array.length - 1, compare = ascending) { - while (right > left) { - if (right - left > 600) { - const n = right - left + 1; - const m = k - left + 1; - const z = Math.log(n); - const s = 0.5 * Math.exp(2 * z / 3); - const sd = 0.5 * Math.sqrt(z * s * (n - s) / n) * (m - n / 2 < 0 ? -1 : 1); - const newLeft = Math.max(left, Math.floor(k - m * s / n + sd)); - const newRight = Math.min(right, Math.floor(k + (n - m) * s / n + sd)); - quickselect(array, k, newLeft, newRight, compare); - } + // const normalisedData = allCells.forEach(cell => { + // }) + // const links: {[cell: string]: number}[] = [] + // data.forEach(cell => links[Object.keys(cell)[0]] = (Object.values(cell)[0]?.links.length ?? 0)) + // console.log(data) + const maxLength = Math.max(...sortedTrails.map(trail => trail.length)); - const t = array[k]; - let i = left; - let j = right; + const paddedTrails = sortedTrails.map(trail => padArray(trail, maxLength)); - swap(array, left, k); - if (compare(array[right], t) > 0) swap(array, left, right); + // const permutations: string[][][] = permute(paddedTrails.map(trail => [trail[0]])) + // // permutations.map(trails => sum(transpose(trails).map(runs).map(runs => runs.length))) + // const ALLRuns = permutations.map(permutation => transpose(permutation).map(runs)) + // const runsPerRun = ALLRuns.map(runs => runs[0].length) + // const minRunLength = Math.min(...runsPerRun); + // const indexOfMinRun = runsPerRun.indexOf(minRunLength); + // const minRun = ALLRuns[indexOfMinRun] + const transposedTrails = transpose(paddedTrails); - while (i < j) { - swap(array, i, j), ++i, --j; - while (compare(array[i], t) < 0) ++i; - while (compare(array[j], t) > 0) --j; - } + const allRuns = transposedTrails.map(runs); + const click_handler = (step, e) => openOrSwitch(app, step.value, e); + const mouseover_handler = (step, e) => hoverPreview(e, activeLeafView, step.value); - if (compare(array[left], t) === 0) swap(array, left, j); - else ++j, swap(array, j, right); + $$self.$$set = $$props => { + if ("sortedTrails" in $$props) $$invalidate(0, sortedTrails = $$props.sortedTrails); + if ("app" in $$props) $$invalidate(1, app = $$props.app); + if ("plugin" in $$props) $$invalidate(8, plugin = $$props.plugin); + }; - if (j <= k) left = j + 1; - if (k <= j) right = j - 1; - } - return array; + return [ + sortedTrails, + app, + wordCounts, + children, + settings, + activeLeafView, + transposedTrails, + allRuns, + plugin, + click_handler, + mouseover_handler + ]; } -function swap(array, i, j) { - const t = array[i]; - array[i] = array[j]; - array[j] = t; +class TrailGrid extends SvelteComponent { + constructor(options) { + super(); + if (!document.getElementById("svelte-ybyqyo-style")) add_css$1(); + init(this, options, instance$2, create_fragment$2, safe_not_equal, { sortedTrails: 0, app: 1, plugin: 8 }); + } } -function quantile(values, p, valueof) { - values = Float64Array.from(numbers(values, valueof)); - if (!(n = values.length)) return; - if ((p = +p) <= 0 || n < 2) return min(values); - if (p >= 1) return max(values); - var n, - i = (n - 1) * p, - i0 = Math.floor(i), - value0 = max(quickselect(values, i0).subarray(0, i0 + 1)), - value1 = min(values.subarray(i0 + 1)); - return value0 + (value1 - value0) * (i - i0); -} +/* src\Components\TrailPath.svelte generated by Svelte v3.35.0 */ -function quantileSorted(values, p, valueof = number) { - if (!(n = values.length)) return; - if ((p = +p) <= 0 || n < 2) return +valueof(values[0], 0, values); - if (p >= 1) return +valueof(values[n - 1], n - 1, values); - var n, - i = (n - 1) * p, - i0 = Math.floor(i), - value0 = +valueof(values[i0], i0, values), - value1 = +valueof(values[i0 + 1], i0 + 1, values); - return value0 + (value1 - value0) * (i - i0); +function add_css() { + var style = element("style"); + style.id = "svelte-3c1frp-style"; + style.textContent = "span.BC-trail-path-container.svelte-3c1frp{display:flex;justify-content:space-between}"; + append(document.head, style); } -function freedmanDiaconis(values, min, max) { - return Math.ceil((max - min) / (2 * (quantile(values, 0.75) - quantile(values, 0.25)) * Math.pow(count(values), -1 / 3))); +function get_each_context$1(ctx, list, i) { + const child_ctx = ctx.slice(); + child_ctx[10] = list[i]; + return child_ctx; } -function scott(values, min, max) { - return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(count(values), -1 / 3))); +function get_each_context_1$1(ctx, list, i) { + const child_ctx = ctx.slice(); + child_ctx[13] = list[i]; + child_ctx[15] = i; + return child_ctx; } -function maxIndex(values, valueof) { - let max; - let maxIndex = -1; - let index = -1; - if (valueof === undefined) { - for (const value of values) { - ++index; - if (value != null - && (max < value || (max === undefined && value >= value))) { - max = value, maxIndex = index; - } - } - } else { - for (let value of values) { - if ((value = valueof(value, ++index, values)) != null - && (max < value || (max === undefined && value >= value))) { - max = value, maxIndex = index; - } - } - } - return maxIndex; -} +// (19:8) {:else} +function create_else_block(ctx) { + let each_1_anchor; + let each_value_1 = /*trail*/ ctx[10]; + let each_blocks = []; -function mean(values, valueof) { - let count = 0; - let sum = 0; - if (valueof === undefined) { - for (let value of values) { - if (value != null && (value = +value) >= value) { - ++count, sum += value; - } - } - } else { - let index = -1; - for (let value of values) { - if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) { - ++count, sum += value; - } - } - } - if (count) return sum / count; -} + for (let i = 0; i < each_value_1.length; i += 1) { + each_blocks[i] = create_each_block_1$1(get_each_context_1$1(ctx, each_value_1, i)); + } -function median(values, valueof) { - return quantile(values, 0.5, valueof); -} + return { + c() { + for (let i = 0; i < each_blocks.length; i += 1) { + each_blocks[i].c(); + } -function* flatten(arrays) { - for (const array of arrays) { - yield* array; - } -} + each_1_anchor = empty(); + }, + m(target, anchor) { + for (let i = 0; i < each_blocks.length; i += 1) { + each_blocks[i].m(target, anchor); + } -function merge(arrays) { - return Array.from(flatten(arrays)); -} + insert(target, each_1_anchor, anchor); + }, + p(ctx, dirty) { + if (dirty & /*settings, trailsToShow, openOrSwitch, app, hoverPreview, view*/ 58) { + each_value_1 = /*trail*/ ctx[10]; + let i; -function minIndex(values, valueof) { - let min; - let minIndex = -1; - let index = -1; - if (valueof === undefined) { - for (const value of values) { - ++index; - if (value != null - && (min > value || (min === undefined && value >= value))) { - min = value, minIndex = index; - } - } - } else { - for (let value of values) { - if ((value = valueof(value, ++index, values)) != null - && (min > value || (min === undefined && value >= value))) { - min = value, minIndex = index; - } - } - } - return minIndex; -} + for (i = 0; i < each_value_1.length; i += 1) { + const child_ctx = get_each_context_1$1(ctx, each_value_1, i); -function pairs(values, pairof = pair) { - const pairs = []; - let previous; - let first = false; - for (const value of values) { - if (first) pairs.push(pairof(previous, value)); - previous = value; - first = true; - } - return pairs; -} + if (each_blocks[i]) { + each_blocks[i].p(child_ctx, dirty); + } else { + each_blocks[i] = create_each_block_1$1(child_ctx); + each_blocks[i].c(); + each_blocks[i].m(each_1_anchor.parentNode, each_1_anchor); + } + } -function pair(a, b) { - return [a, b]; + for (; i < each_blocks.length; i += 1) { + each_blocks[i].d(1); + } + + each_blocks.length = each_value_1.length; + } + }, + d(detaching) { + destroy_each(each_blocks, detaching); + if (detaching) detach(each_1_anchor); + } + }; } -function range(start, stop, step) { - start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; +// (17:8) {#if trail.length === 0} +function create_if_block_1(ctx) { + let span; - var i = -1, - n = Math.max(0, Math.ceil((stop - start) / step)) | 0, - range = new Array(n); + return { + c() { + span = element("span"); + span.textContent = `${/*settings*/ ctx[4].noPathMessage}`; + }, + m(target, anchor) { + insert(target, span, anchor); + }, + p: noop, + d(detaching) { + if (detaching) detach(span); + } + }; +} - while (++i < n) { - range[i] = start + i * step; - } +// (28:12) {#if i < trail.length - 1} +function create_if_block_2(ctx) { + let span; - return range; + return { + c() { + span = element("span"); + span.textContent = `${" " + /*settings*/ ctx[4].trailSeperator + " "}`; + }, + m(target, anchor) { + insert(target, span, anchor); + }, + p: noop, + d(detaching) { + if (detaching) detach(span); + } + }; } -function least(values, compare = ascending) { - let min; - let defined = false; - if (compare.length === 1) { - let minValue; - for (const element of values) { - const value = compare(element); - if (defined - ? ascending(value, minValue) < 0 - : ascending(value, value) === 0) { - min = element; - minValue = value; - defined = true; - } - } - } else { - for (const value of values) { - if (defined - ? compare(value, min) < 0 - : compare(value, value) === 0) { - min = value; - defined = true; - } - } - } - return min; -} +// (20:10) {#each trail as crumb, i} +function create_each_block_1$1(ctx) { + let span; + let t0_value = /*crumb*/ ctx[13] + ""; + let t0; + let t1; + let if_block_anchor; + let mounted; + let dispose; -function leastIndex(values, compare = ascending) { - if (compare.length === 1) return minIndex(values, compare); - let minValue; - let min = -1; - let index = -1; - for (const value of values) { - ++index; - if (min < 0 - ? compare(value, value) === 0 - : compare(value, minValue) < 0) { - minValue = value; - min = index; - } - } - return min; -} + function click_handler(...args) { + return /*click_handler*/ ctx[7](/*crumb*/ ctx[13], ...args); + } -function greatest(values, compare = ascending) { - let max; - let defined = false; - if (compare.length === 1) { - let maxValue; - for (const element of values) { - const value = compare(element); - if (defined - ? ascending(value, maxValue) > 0 - : ascending(value, value) === 0) { - max = element; - maxValue = value; - defined = true; - } - } - } else { - for (const value of values) { - if (defined - ? compare(value, max) > 0 - : compare(value, value) === 0) { - max = value; - defined = true; - } - } - } - return max; -} + function mouseover_handler(...args) { + return /*mouseover_handler*/ ctx[8](/*crumb*/ ctx[13], ...args); + } -function greatestIndex(values, compare = ascending) { - if (compare.length === 1) return maxIndex(values, compare); - let maxValue; - let max = -1; - let index = -1; - for (const value of values) { - ++index; - if (max < 0 - ? compare(value, value) === 0 - : compare(value, maxValue) > 0) { - maxValue = value; - max = index; - } - } - return max; -} + let if_block = /*i*/ ctx[15] < /*trail*/ ctx[10].length - 1 && create_if_block_2(ctx); -function scan(values, compare) { - const index = leastIndex(values, compare); - return index < 0 ? undefined : index; -} + return { + c() { + span = element("span"); + t0 = text(t0_value); + t1 = space(); + if (if_block) if_block.c(); + if_block_anchor = empty(); + attr(span, "class", "internal-link BC-Link"); + }, + m(target, anchor) { + insert(target, span, anchor); + append(span, t0); + insert(target, t1, anchor); + if (if_block) if_block.m(target, anchor); + insert(target, if_block_anchor, anchor); -var shuffle = shuffler(Math.random); + if (!mounted) { + dispose = [ + listen(span, "click", click_handler), + listen(span, "mouseover", mouseover_handler) + ]; -function shuffler(random) { - return function shuffle(array, i0 = 0, i1 = array.length) { - let m = i1 - (i0 = +i0); - while (m) { - const i = random() * m-- | 0, t = array[m + i0]; - array[m + i0] = array[i + i0]; - array[i + i0] = t; - } - return array; - }; -} + mounted = true; + } + }, + p(new_ctx, dirty) { + ctx = new_ctx; + if (dirty & /*trailsToShow*/ 8 && t0_value !== (t0_value = /*crumb*/ ctx[13] + "")) set_data(t0, t0_value); -function sum(values, valueof) { - let sum = 0; - if (valueof === undefined) { - for (let value of values) { - if (value = +value) { - sum += value; - } - } - } else { - let index = -1; - for (let value of values) { - if (value = +valueof(value, ++index, values)) { - sum += value; - } - } - } - return sum; + if (/*i*/ ctx[15] < /*trail*/ ctx[10].length - 1) { + if (if_block) { + if_block.p(ctx, dirty); + } else { + if_block = create_if_block_2(ctx); + if_block.c(); + if_block.m(if_block_anchor.parentNode, if_block_anchor); + } + } else if (if_block) { + if_block.d(1); + if_block = null; + } + }, + d(detaching) { + if (detaching) detach(span); + if (detaching) detach(t1); + if (if_block) if_block.d(detaching); + if (detaching) detach(if_block_anchor); + mounted = false; + run_all(dispose); + } + }; } -function transpose(matrix) { - if (!(n = matrix.length)) return []; - for (var i = -1, m = min(matrix, length), transpose = new Array(m); ++i < m;) { - for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n;) { - row[j] = matrix[j][i]; - } - } - return transpose; -} +// (15:4) {#each trailsToShow as trail} +function create_each_block$1(ctx) { + let div; + let t; -function length(d) { - return d.length; -} + function select_block_type(ctx, dirty) { + if (/*trail*/ ctx[10].length === 0) return create_if_block_1; + return create_else_block; + } -function zip() { - return transpose(arguments); -} + let current_block_type = select_block_type(ctx); + let if_block = current_block_type(ctx); -function every(values, test) { - if (typeof test !== "function") throw new TypeError("test is not a function"); - let index = -1; - for (const value of values) { - if (!test(value, ++index, values)) { - return false; - } - } - return true; -} + return { + c() { + div = element("div"); + if_block.c(); + t = space(); + }, + m(target, anchor) { + insert(target, div, anchor); + if_block.m(div, null); + append(div, t); + }, + p(ctx, dirty) { + if (current_block_type === (current_block_type = select_block_type(ctx)) && if_block) { + if_block.p(ctx, dirty); + } else { + if_block.d(1); + if_block = current_block_type(ctx); -function some(values, test) { - if (typeof test !== "function") throw new TypeError("test is not a function"); - let index = -1; - for (const value of values) { - if (test(value, ++index, values)) { - return true; - } - } - return false; + if (if_block) { + if_block.c(); + if_block.m(div, t); + } + } + }, + d(detaching) { + if (detaching) detach(div); + if_block.d(); + } + }; } -function filter(values, test) { - if (typeof test !== "function") throw new TypeError("test is not a function"); - const array = []; - let index = -1; - for (const value of values) { - if (test(value, ++index, values)) { - array.push(value); - } - } - return array; -} +// (37:2) {#if sortedTrails.length > 1} +function create_if_block(ctx) { + let div; + let button; + let t_value = (/*showAll*/ ctx[2] ? "Shortest" : "All") + ""; + let t; + let mounted; + let dispose; -function map(values, mapper) { - if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable"); - if (typeof mapper !== "function") throw new TypeError("mapper is not a function"); - return Array.from(values, (value, index) => mapper(value, index, values)); -} + return { + c() { + div = element("div"); + button = element("button"); + t = text(t_value); + attr(button, "class", "button-div"); + }, + m(target, anchor) { + insert(target, div, anchor); + append(div, button); + append(button, t); -function reduce(values, reducer, value) { - if (typeof reducer !== "function") throw new TypeError("reducer is not a function"); - const iterator = values[Symbol.iterator](); - let done, next, index = -1; - if (arguments.length < 3) { - ({done, value} = iterator.next()); - if (done) return; - ++index; - } - while (({done, value: next} = iterator.next()), !done) { - value = reducer(value, next, ++index, values); - } - return value; + if (!mounted) { + dispose = listen(button, "click", /*click_handler_1*/ ctx[9]); + mounted = true; + } + }, + p(ctx, dirty) { + if (dirty & /*showAll*/ 4 && t_value !== (t_value = (/*showAll*/ ctx[2] ? "Shortest" : "All") + "")) set_data(t, t_value); + }, + d(detaching) { + if (detaching) detach(div); + mounted = false; + dispose(); + } + }; } -function reverse(values) { - if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable"); - return Array.from(values).reverse(); -} +function create_fragment$1(ctx) { + let span; + let div; + let t; + let each_value = /*trailsToShow*/ ctx[3]; + let each_blocks = []; -function difference(values, ...others) { - values = new Set(values); - for (const other of others) { - for (const value of other) { - values.delete(value); - } - } - return values; -} + for (let i = 0; i < each_value.length; i += 1) { + each_blocks[i] = create_each_block$1(get_each_context$1(ctx, each_value, i)); + } -function disjoint(values, other) { - const iterator = other[Symbol.iterator](), set = new Set(); - for (const v of values) { - if (set.has(v)) return false; - let value, done; - while (({value, done} = iterator.next())) { - if (done) break; - if (Object.is(v, value)) return false; - set.add(value); - } - } - return true; -} + let if_block = /*sortedTrails*/ ctx[0].length > 1 && create_if_block(ctx); -function set(values) { - return values instanceof Set ? values : new Set(values); -} + return { + c() { + span = element("span"); + div = element("div"); -function intersection(values, ...others) { - values = new Set(values); - others = others.map(set); - out: for (const value of values) { - for (const other of others) { - if (!other.has(value)) { - values.delete(value); - continue out; - } - } - } - return values; -} + for (let i = 0; i < each_blocks.length; i += 1) { + each_blocks[i].c(); + } -function superset(values, other) { - const iterator = values[Symbol.iterator](), set = new Set(); - for (const o of other) { - if (set.has(o)) continue; - let value, done; - while (({value, done} = iterator.next())) { - if (done) return false; - set.add(value); - if (Object.is(o, value)) break; - } - } - return true; -} + t = space(); + if (if_block) if_block.c(); + attr(div, "class", "trails-div"); + attr(span, "class", "BC-trail-path-container svelte-3c1frp"); + }, + m(target, anchor) { + insert(target, span, anchor); + append(span, div); -function subset(values, other) { - return superset(other, values); -} + for (let i = 0; i < each_blocks.length; i += 1) { + each_blocks[i].m(div, null); + } -function union(...others) { - const set = new Set(); - for (const other of others) { - for (const o of other) { - set.add(o); - } - } - return set; -} + append(span, t); + if (if_block) if_block.m(span, null); + }, + p(ctx, [dirty]) { + if (dirty & /*settings, trailsToShow, openOrSwitch, app, hoverPreview, view*/ 58) { + each_value = /*trailsToShow*/ ctx[3]; + let i; -exports.Adder = Adder; -exports.InternMap = InternMap; -exports.InternSet = InternSet; -exports.ascending = ascending; -exports.bin = bin; -exports.bisect = bisectRight; -exports.bisectCenter = bisectCenter; -exports.bisectLeft = bisectLeft; -exports.bisectRight = bisectRight; -exports.bisector = bisector; -exports.count = count; -exports.cross = cross; -exports.cumsum = cumsum; -exports.descending = descending; -exports.deviation = deviation; -exports.difference = difference; -exports.disjoint = disjoint; -exports.every = every; -exports.extent = extent; -exports.fcumsum = fcumsum; -exports.filter = filter; -exports.fsum = fsum; -exports.greatest = greatest; -exports.greatestIndex = greatestIndex; -exports.group = group; -exports.groupSort = groupSort; -exports.groups = groups; -exports.histogram = bin; -exports.index = index; -exports.indexes = indexes; -exports.intersection = intersection; -exports.least = least; -exports.leastIndex = leastIndex; -exports.map = map; -exports.max = max; -exports.maxIndex = maxIndex; -exports.mean = mean; -exports.median = median; -exports.merge = merge; -exports.min = min; -exports.minIndex = minIndex; -exports.nice = nice; -exports.pairs = pairs; -exports.permute = permute; -exports.quantile = quantile; -exports.quantileSorted = quantileSorted; -exports.quickselect = quickselect; -exports.range = range; -exports.reduce = reduce; -exports.reverse = reverse; -exports.rollup = rollup; -exports.rollups = rollups; -exports.scan = scan; -exports.shuffle = shuffle; -exports.shuffler = shuffler; -exports.some = some; -exports.sort = sort; -exports.subset = subset; -exports.sum = sum; -exports.superset = superset; -exports.thresholdFreedmanDiaconis = freedmanDiaconis; -exports.thresholdScott = scott; -exports.thresholdSturges = sturges; -exports.tickIncrement = tickIncrement; -exports.tickStep = tickStep; -exports.ticks = ticks; -exports.transpose = transpose; -exports.union = union; -exports.variance = variance; -exports.zip = zip; + for (i = 0; i < each_value.length; i += 1) { + const child_ctx = get_each_context$1(ctx, each_value, i); -Object.defineProperty(exports, '__esModule', { value: true }); + if (each_blocks[i]) { + each_blocks[i].p(child_ctx, dirty); + } else { + each_blocks[i] = create_each_block$1(child_ctx); + each_blocks[i].c(); + each_blocks[i].m(div, null); + } + } -}))); -}); + for (; i < each_blocks.length; i += 1) { + each_blocks[i].d(1); + } -var d3Axis = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-axis/ v2.1.0 Copyright 2021 Mike Bostock -(function (global, factory) { -factory(exports) ; -}(commonjsGlobal, (function (exports) { -var slice = Array.prototype.slice; + each_blocks.length = each_value.length; + } -function identity(x) { - return x; + if (/*sortedTrails*/ ctx[0].length > 1) { + if (if_block) { + if_block.p(ctx, dirty); + } else { + if_block = create_if_block(ctx); + if_block.c(); + if_block.m(span, null); + } + } else if (if_block) { + if_block.d(1); + if_block = null; + } + }, + i: noop, + o: noop, + d(detaching) { + if (detaching) detach(span); + destroy_each(each_blocks, detaching); + if (if_block) if_block.d(); + } + }; } -var top = 1, - right = 2, - bottom = 3, - left = 4, - epsilon = 1e-6; - -function translateX(x) { - return "translate(" + x + ",0)"; -} +function instance$1($$self, $$props, $$invalidate) { + let trailsToShow; + + + let { sortedTrails } = $$props; + let { app } = $$props; + let { plugin } = $$props; + const { settings } = plugin; + const { view } = app.workspace.activeLeaf; + let showAll = settings.showAll; + const click_handler = async (crumb, e) => await openOrSwitch(app, crumb, e); + const mouseover_handler = (crumb, e) => hoverPreview(e, view, crumb); + const click_handler_1 = () => $$invalidate(2, showAll = !showAll); -function translateY(y) { - return "translate(0," + y + ")"; -} + $$self.$$set = $$props => { + if ("sortedTrails" in $$props) $$invalidate(0, sortedTrails = $$props.sortedTrails); + if ("app" in $$props) $$invalidate(1, app = $$props.app); + if ("plugin" in $$props) $$invalidate(6, plugin = $$props.plugin); + }; -function number(scale) { - return d => +scale(d); -} + $$self.$$.update = () => { + if ($$self.$$.dirty & /*showAll, sortedTrails*/ 5) { + $$invalidate(3, trailsToShow = showAll ? sortedTrails : [sortedTrails[0]]); + } + }; -function center(scale, offset) { - offset = Math.max(0, scale.bandwidth() - offset * 2) / 2; - if (scale.round()) offset = Math.round(offset); - return d => +scale(d) + offset; + return [ + sortedTrails, + app, + showAll, + trailsToShow, + settings, + view, + plugin, + click_handler, + mouseover_handler, + click_handler_1 + ]; } -function entering() { - return !this.__axis; +class TrailPath extends SvelteComponent { + constructor(options) { + super(); + if (!document.getElementById("svelte-3c1frp-style")) add_css(); + init(this, options, instance$1, create_fragment$1, safe_not_equal, { sortedTrails: 0, app: 1, plugin: 6 }); + } } -function axis(orient, scale) { - var tickArguments = [], - tickValues = null, - tickFormat = null, - tickSizeInner = 6, - tickSizeOuter = 6, - tickPadding = 3, - offset = typeof window !== "undefined" && window.devicePixelRatio > 1 ? 0 : 0.5, - k = orient === top || orient === left ? -1 : 1, - x = orient === left || orient === right ? "x" : "y", - transform = orient === top || orient === bottom ? translateX : translateY; - - function axis(context) { - var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues, - format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity) : tickFormat, - spacing = Math.max(tickSizeInner, 0) + tickPadding, - range = scale.range(), - range0 = +range[0] + offset, - range1 = +range[range.length - 1] + offset, - position = (scale.bandwidth ? center : number)(scale.copy(), offset), - selection = context.selection ? context.selection() : context, - path = selection.selectAll(".domain").data([null]), - tick = selection.selectAll(".tick").data(values, scale).order(), - tickExit = tick.exit(), - tickEnter = tick.enter().append("g").attr("class", "tick"), - line = tick.select("line"), - text = tick.select("text"); - - path = path.merge(path.enter().insert("path", ".tick") - .attr("class", "domain") - .attr("stroke", "currentColor")); - - tick = tick.merge(tickEnter); - - line = line.merge(tickEnter.append("line") - .attr("stroke", "currentColor") - .attr(x + "2", k * tickSizeInner)); +class FieldSuggestor extends obsidian.EditorSuggest { + constructor(plugin) { + super(plugin.app); + this.getSuggestions = (context) => { + const { query } = context; + return BC_FIELDS.map((sug) => sug.field).filter((sug) => sug.includes(query)); + }; + this.plugin = plugin; + } + onTrigger(cursor, editor, _) { + var _a; + if (this.plugin.settings.fieldSuggestor) { + const sub = editor.getLine(cursor.line).substring(0, cursor.ch); + const match = (_a = sub.match(/^BC-(.*)$/)) === null || _a === void 0 ? void 0 : _a[1]; + if (match !== undefined) { + return { + end: cursor, + start: { + ch: sub.lastIndexOf(match), + line: cursor.line, + }, + query: match, + }; + } + } + return null; + } + renderSuggestion(suggestion, el) { + var _a; + el.createDiv({ + text: suggestion.replace("BC-", ""), + cls: "BC-suggester-container", + attr: { + "aria-label": (_a = BC_FIELDS.find((f) => f.field === suggestion)) === null || _a === void 0 ? void 0 : _a.desc, + "aria-label-position": "right", + }, + }); + } + selectSuggestion(suggestion) { + var _a; + const { context } = this; + if (context) { + const replacement = `${suggestion}${(_a = BC_FIELDS.find((f) => f.field === suggestion)) === null || _a === void 0 ? void 0 : _a.after}`; + context.editor.replaceRange(replacement, { ch: 0, line: context.start.line }, context.end); + } + } +} - text = text.merge(tickEnter.append("text") - .attr("fill", "currentColor") - .attr(x, k * spacing) - .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); +var d3Array = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-array/ v2.12.1 Copyright 2021 Mike Bostock +(function (global, factory) { +factory(exports) ; +}(commonjsGlobal, (function (exports) { +function ascending(a, b) { + return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; +} - if (context !== selection) { - path = path.transition(context); - tick = tick.transition(context); - line = line.transition(context); - text = text.transition(context); +function bisector(f) { + let delta = f; + let compare = f; - tickExit = tickExit.transition(context) - .attr("opacity", epsilon) - .attr("transform", function(d) { return isFinite(d = position(d)) ? transform(d + offset) : this.getAttribute("transform"); }); + if (f.length === 1) { + delta = (d, x) => f(d) - x; + compare = ascendingComparator(f); + } - tickEnter - .attr("opacity", epsilon) - .attr("transform", function(d) { var p = this.parentNode.__axis; return transform((p && isFinite(p = p(d)) ? p : position(d)) + offset); }); + function left(a, x, lo, hi) { + if (lo == null) lo = 0; + if (hi == null) hi = a.length; + while (lo < hi) { + const mid = (lo + hi) >>> 1; + if (compare(a[mid], x) < 0) lo = mid + 1; + else hi = mid; } - - tickExit.remove(); - - path - .attr("d", orient === left || orient === right - ? (tickSizeOuter ? "M" + k * tickSizeOuter + "," + range0 + "H" + offset + "V" + range1 + "H" + k * tickSizeOuter : "M" + offset + "," + range0 + "V" + range1) - : (tickSizeOuter ? "M" + range0 + "," + k * tickSizeOuter + "V" + offset + "H" + range1 + "V" + k * tickSizeOuter : "M" + range0 + "," + offset + "H" + range1)); - - tick - .attr("opacity", 1) - .attr("transform", function(d) { return transform(position(d) + offset); }); - - line - .attr(x + "2", k * tickSizeInner); - - text - .attr(x, k * spacing) - .text(format); - - selection.filter(entering) - .attr("fill", "none") - .attr("font-size", 10) - .attr("font-family", "sans-serif") - .attr("text-anchor", orient === right ? "start" : orient === left ? "end" : "middle"); - - selection - .each(function() { this.__axis = position; }); + return lo; } - axis.scale = function(_) { - return arguments.length ? (scale = _, axis) : scale; - }; - - axis.ticks = function() { - return tickArguments = slice.call(arguments), axis; - }; - - axis.tickArguments = function(_) { - return arguments.length ? (tickArguments = _ == null ? [] : slice.call(_), axis) : tickArguments.slice(); - }; - - axis.tickValues = function(_) { - return arguments.length ? (tickValues = _ == null ? null : slice.call(_), axis) : tickValues && tickValues.slice(); - }; + function right(a, x, lo, hi) { + if (lo == null) lo = 0; + if (hi == null) hi = a.length; + while (lo < hi) { + const mid = (lo + hi) >>> 1; + if (compare(a[mid], x) > 0) hi = mid; + else lo = mid + 1; + } + return lo; + } - axis.tickFormat = function(_) { - return arguments.length ? (tickFormat = _, axis) : tickFormat; - }; + function center(a, x, lo, hi) { + if (lo == null) lo = 0; + if (hi == null) hi = a.length; + const i = left(a, x, lo, hi - 1); + return i > lo && delta(a[i - 1], x) > -delta(a[i], x) ? i - 1 : i; + } - axis.tickSize = function(_) { - return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner; - }; + return {left, center, right}; +} - axis.tickSizeInner = function(_) { - return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner; - }; +function ascendingComparator(f) { + return (d, x) => ascending(f(d), x); +} - axis.tickSizeOuter = function(_) { - return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter; - }; +function number(x) { + return x === null ? NaN : +x; +} - axis.tickPadding = function(_) { - return arguments.length ? (tickPadding = +_, axis) : tickPadding; - }; +function* numbers(values, valueof) { + if (valueof === undefined) { + for (let value of values) { + if (value != null && (value = +value) >= value) { + yield value; + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) { + yield value; + } + } + } +} - axis.offset = function(_) { - return arguments.length ? (offset = +_, axis) : offset; - }; +const ascendingBisect = bisector(ascending); +const bisectRight = ascendingBisect.right; +const bisectLeft = ascendingBisect.left; +const bisectCenter = bisector(number).center; - return axis; +function count(values, valueof) { + let count = 0; + if (valueof === undefined) { + for (let value of values) { + if (value != null && (value = +value) >= value) { + ++count; + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) { + ++count; + } + } + } + return count; } -function axisTop(scale) { - return axis(top, scale); +function length$1(array) { + return array.length | 0; } -function axisRight(scale) { - return axis(right, scale); +function empty(length) { + return !(length > 0); } -function axisBottom(scale) { - return axis(bottom, scale); +function arrayify(values) { + return typeof values !== "object" || "length" in values ? values : Array.from(values); } -function axisLeft(scale) { - return axis(left, scale); +function reducer(reduce) { + return values => reduce(...values); } -exports.axisBottom = axisBottom; -exports.axisLeft = axisLeft; -exports.axisRight = axisRight; -exports.axisTop = axisTop; - -Object.defineProperty(exports, '__esModule', { value: true }); - -}))); -}); - -var d3Dispatch = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-dispatch/ v2.0.0 Copyright 2020 Mike Bostock -(function (global, factory) { -factory(exports) ; -}(commonjsGlobal, function (exports) { -var noop = {value: () => {}}; - -function dispatch() { - for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { - if (!(t = arguments[i] + "") || (t in _) || /[\s.]/.test(t)) throw new Error("illegal type: " + t); - _[t] = []; +function cross(...values) { + const reduce = typeof values[values.length - 1] === "function" && reducer(values.pop()); + values = values.map(arrayify); + const lengths = values.map(length$1); + const j = values.length - 1; + const index = new Array(j + 1).fill(0); + const product = []; + if (j < 0 || lengths.some(empty)) return product; + while (true) { + product.push(index.map((j, i) => values[i][j])); + let i = j; + while (++index[i] === lengths[i]) { + if (i === 0) return reduce ? product.map(reduce) : product; + index[i--] = 0; + } } - return new Dispatch(_); } -function Dispatch(_) { - this._ = _; +function cumsum(values, valueof) { + var sum = 0, index = 0; + return Float64Array.from(values, valueof === undefined + ? v => (sum += +v || 0) + : v => (sum += +valueof(v, index++, values) || 0)); } -function parseTypenames(typenames, types) { - return typenames.trim().split(/^|\s+/).map(function(t) { - var name = "", i = t.indexOf("."); - if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); - if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t); - return {type: t, name: name}; - }); +function descending(a, b) { + return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; } -Dispatch.prototype = dispatch.prototype = { - constructor: Dispatch, - on: function(typename, callback) { - var _ = this._, - T = parseTypenames(typename + "", _), - t, - i = -1, - n = T.length; - - // If no callback was specified, return the callback of the given type and name. - if (arguments.length < 2) { - while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t; - return; +function variance(values, valueof) { + let count = 0; + let delta; + let mean = 0; + let sum = 0; + if (valueof === undefined) { + for (let value of values) { + if (value != null && (value = +value) >= value) { + delta = value - mean; + mean += delta / ++count; + sum += delta * (value - mean); + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) { + delta = value - mean; + mean += delta / ++count; + sum += delta * (value - mean); + } } + } + if (count > 1) return sum / (count - 1); +} - // If a type was specified, set the callback for the given type and name. - // Otherwise, if a null callback was specified, remove callbacks of the given name. - if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback); - while (++i < n) { - if (t = (typename = T[i]).type) _[t] = set(_[t], typename.name, callback); - else if (callback == null) for (t in _) _[t] = set(_[t], typename.name, null); +function deviation(values, valueof) { + const v = variance(values, valueof); + return v ? Math.sqrt(v) : v; +} + +function extent(values, valueof) { + let min; + let max; + if (valueof === undefined) { + for (const value of values) { + if (value != null) { + if (min === undefined) { + if (value >= value) min = max = value; + } else { + if (min > value) min = value; + if (max < value) max = value; + } + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null) { + if (min === undefined) { + if (value >= value) min = max = value; + } else { + if (min > value) min = value; + if (max < value) max = value; + } + } } + } + return [min, max]; +} +// https://github.com/python/cpython/blob/a74eea238f5baba15797e2e8b570d153bc8690a7/Modules/mathmodule.c#L1423 +class Adder { + constructor() { + this._partials = new Float64Array(32); + this._n = 0; + } + add(x) { + const p = this._partials; + let i = 0; + for (let j = 0; j < this._n && j < 32; j++) { + const y = p[j], + hi = x + y, + lo = Math.abs(x) < Math.abs(y) ? x - (hi - y) : y - (hi - x); + if (lo) p[i++] = lo; + x = hi; + } + p[i] = x; + this._n = i + 1; return this; - }, - copy: function() { - var copy = {}, _ = this._; - for (var t in _) copy[t] = _[t].slice(); - return new Dispatch(copy); - }, - call: function(type, that) { - if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2]; - if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); - for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); - }, - apply: function(type, that, args) { - if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); - for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); } -}; - -function get(type, name) { - for (var i = 0, n = type.length, c; i < n; ++i) { - if ((c = type[i]).name === name) { - return c.value; + valueOf() { + const p = this._partials; + let n = this._n, x, y, lo, hi = 0; + if (n > 0) { + hi = p[--n]; + while (n > 0) { + x = hi; + y = p[--n]; + hi = x + y; + lo = y - (hi - x); + if (lo) break; + } + if (n > 0 && ((lo < 0 && p[n - 1] < 0) || (lo > 0 && p[n - 1] > 0))) { + y = lo * 2; + x = hi + y; + if (y == x - hi) hi = x; + } } + return hi; } } -function set(type, name, callback) { - for (var i = 0, n = type.length; i < n; ++i) { - if (type[i].name === name) { - type[i] = noop, type = type.slice(0, i).concat(type.slice(i + 1)); - break; +function fsum(values, valueof) { + const adder = new Adder(); + if (valueof === undefined) { + for (let value of values) { + if (value = +value) { + adder.add(value); + } + } + } else { + let index = -1; + for (let value of values) { + if (value = +valueof(value, ++index, values)) { + adder.add(value); + } } } - if (callback != null) type.push({name: name, value: callback}); - return type; + return +adder; } -exports.dispatch = dispatch; - -Object.defineProperty(exports, '__esModule', { value: true }); - -})); -}); - -var d3Selection = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-selection/ v2.0.0 Copyright 2020 Mike Bostock -(function (global, factory) { -factory(exports) ; -}(commonjsGlobal, function (exports) { -var xhtml = "http://www.w3.org/1999/xhtml"; - -var namespaces = { - svg: "http://www.w3.org/2000/svg", - xhtml: xhtml, - xlink: "http://www.w3.org/1999/xlink", - xml: "http://www.w3.org/XML/1998/namespace", - xmlns: "http://www.w3.org/2000/xmlns/" -}; +function fcumsum(values, valueof) { + const adder = new Adder(); + let index = -1; + return Float64Array.from(values, valueof === undefined + ? v => adder.add(+v || 0) + : v => adder.add(+valueof(v, ++index, values) || 0) + ); +} -function namespace(name) { - var prefix = name += "", i = prefix.indexOf(":"); - if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); - return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; // eslint-disable-line no-prototype-builtins +class InternMap extends Map { + constructor(entries, key = keyof) { + super(); + Object.defineProperties(this, {_intern: {value: new Map()}, _key: {value: key}}); + if (entries != null) for (const [key, value] of entries) this.set(key, value); + } + get(key) { + return super.get(intern_get(this, key)); + } + has(key) { + return super.has(intern_get(this, key)); + } + set(key, value) { + return super.set(intern_set(this, key), value); + } + delete(key) { + return super.delete(intern_delete(this, key)); + } } -function creatorInherit(name) { - return function() { - var document = this.ownerDocument, - uri = this.namespaceURI; - return uri === xhtml && document.documentElement.namespaceURI === xhtml - ? document.createElement(name) - : document.createElementNS(uri, name); - }; -} - -function creatorFixed(fullname) { - return function() { - return this.ownerDocument.createElementNS(fullname.space, fullname.local); - }; +class InternSet extends Set { + constructor(values, key = keyof) { + super(); + Object.defineProperties(this, {_intern: {value: new Map()}, _key: {value: key}}); + if (values != null) for (const value of values) this.add(value); + } + has(value) { + return super.has(intern_get(this, value)); + } + add(value) { + return super.add(intern_set(this, value)); + } + delete(value) { + return super.delete(intern_delete(this, value)); + } } -function creator(name) { - var fullname = namespace(name); - return (fullname.local - ? creatorFixed - : creatorInherit)(fullname); +function intern_get({_intern, _key}, value) { + const key = _key(value); + return _intern.has(key) ? _intern.get(key) : value; } -function none() {} - -function selector(selector) { - return selector == null ? none : function() { - return this.querySelector(selector); - }; +function intern_set({_intern, _key}, value) { + const key = _key(value); + if (_intern.has(key)) return _intern.get(key); + _intern.set(key, value); + return value; } -function selection_select(select) { - if (typeof select !== "function") select = selector(select); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - subgroup[i] = subnode; - } - } +function intern_delete({_intern, _key}, value) { + const key = _key(value); + if (_intern.has(key)) { + value = _intern.get(value); + _intern.delete(key); } - - return new Selection(subgroups, this._parents); + return value; } -function array(x) { - return typeof x === "object" && "length" in x - ? x // Array, TypedArray, NodeList, array-like - : Array.from(x); // Map, Set, iterable, string, or anything else +function keyof(value) { + return value !== null && typeof value === "object" ? value.valueOf() : value; } -function empty() { - return []; +function identity(x) { + return x; } -function selectorAll(selector) { - return selector == null ? empty : function() { - return this.querySelectorAll(selector); - }; +function group(values, ...keys) { + return nest(values, identity, identity, keys); } -function arrayAll(select) { - return function() { - var group = select.apply(this, arguments); - return group == null ? [] : array(group); - }; +function groups(values, ...keys) { + return nest(values, Array.from, identity, keys); } -function selection_selectAll(select) { - if (typeof select === "function") select = arrayAll(select); - else select = selectorAll(select); +function rollup(values, reduce, ...keys) { + return nest(values, identity, reduce, keys); +} - for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - subgroups.push(select.call(node, node.__data__, i, group)); - parents.push(node); - } - } - } +function rollups(values, reduce, ...keys) { + return nest(values, Array.from, reduce, keys); +} - return new Selection(subgroups, parents); +function index(values, ...keys) { + return nest(values, identity, unique, keys); } -function matcher(selector) { - return function() { - return this.matches(selector); - }; +function indexes(values, ...keys) { + return nest(values, Array.from, unique, keys); } -function childMatcher(selector) { - return function(node) { - return node.matches(selector); - }; +function unique(values) { + if (values.length !== 1) throw new Error("duplicate key"); + return values[0]; } -var find = Array.prototype.find; +function nest(values, map, reduce, keys) { + return (function regroup(values, i) { + if (i >= keys.length) return reduce(values); + const groups = new InternMap(); + const keyof = keys[i++]; + let index = -1; + for (const value of values) { + const key = keyof(value, ++index, values); + const group = groups.get(key); + if (group) group.push(value); + else groups.set(key, [value]); + } + for (const [key, values] of groups) { + groups.set(key, regroup(values, i)); + } + return map(groups); + })(values, 0); +} -function childFind(match) { - return function() { - return find.call(this.children, match); - }; +function permute(source, keys) { + return Array.from(keys, key => source[key]); } -function childFirst() { - return this.firstElementChild; +function sort(values, ...F) { + if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable"); + values = Array.from(values); + let [f = ascending] = F; + if (f.length === 1 || F.length > 1) { + const index = Uint32Array.from(values, (d, i) => i); + if (F.length > 1) { + F = F.map(f => values.map(f)); + index.sort((i, j) => { + for (const f of F) { + const c = ascending(f[i], f[j]); + if (c) return c; + } + }); + } else { + f = values.map(f); + index.sort((i, j) => ascending(f[i], f[j])); + } + return permute(values, index); + } + return values.sort(f); } -function selection_selectChild(match) { - return this.select(match == null ? childFirst - : childFind(typeof match === "function" ? match : childMatcher(match))); +function groupSort(values, reduce, key) { + return (reduce.length === 1 + ? sort(rollup(values, reduce, key), (([ak, av], [bk, bv]) => ascending(av, bv) || ascending(ak, bk))) + : sort(group(values, key), (([ak, av], [bk, bv]) => reduce(av, bv) || ascending(ak, bk)))) + .map(([key]) => key); } -var filter = Array.prototype.filter; +var array = Array.prototype; -function children() { - return this.children; -} +var slice = array.slice; -function childrenFilter(match) { +function constant(x) { return function() { - return filter.call(this.children, match); + return x; }; } -function selection_selectChildren(match) { - return this.selectAll(match == null ? children - : childrenFilter(typeof match === "function" ? match : childMatcher(match))); -} +var e10 = Math.sqrt(50), + e5 = Math.sqrt(10), + e2 = Math.sqrt(2); -function selection_filter(match) { - if (typeof match !== "function") match = matcher(match); +function ticks(start, stop, count) { + var reverse, + i = -1, + n, + ticks, + step; - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { - if ((node = group[i]) && match.call(node, node.__data__, i, group)) { - subgroup.push(node); - } - } + stop = +stop, start = +start, count = +count; + if (start === stop && count > 0) return [start]; + if (reverse = stop < start) n = start, start = stop, stop = n; + if ((step = tickIncrement(start, stop, count)) === 0 || !isFinite(step)) return []; + + if (step > 0) { + let r0 = Math.round(start / step), r1 = Math.round(stop / step); + if (r0 * step < start) ++r0; + if (r1 * step > stop) --r1; + ticks = new Array(n = r1 - r0 + 1); + while (++i < n) ticks[i] = (r0 + i) * step; + } else { + step = -step; + let r0 = Math.round(start * step), r1 = Math.round(stop * step); + if (r0 / step < start) ++r0; + if (r1 / step > stop) --r1; + ticks = new Array(n = r1 - r0 + 1); + while (++i < n) ticks[i] = (r0 + i) / step; } - return new Selection(subgroups, this._parents); -} + if (reverse) ticks.reverse(); -function sparse(update) { - return new Array(update.length); + return ticks; } -function selection_enter() { - return new Selection(this._enter || this._groups.map(sparse), this._parents); +function tickIncrement(start, stop, count) { + var step = (stop - start) / Math.max(0, count), + power = Math.floor(Math.log(step) / Math.LN10), + error = step / Math.pow(10, power); + return power >= 0 + ? (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1) * Math.pow(10, power) + : -Math.pow(10, -power) / (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1); } -function EnterNode(parent, datum) { - this.ownerDocument = parent.ownerDocument; - this.namespaceURI = parent.namespaceURI; - this._next = null; - this._parent = parent; - this.__data__ = datum; +function tickStep(start, stop, count) { + var step0 = Math.abs(stop - start) / Math.max(0, count), + step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)), + error = step0 / step1; + if (error >= e10) step1 *= 10; + else if (error >= e5) step1 *= 5; + else if (error >= e2) step1 *= 2; + return stop < start ? -step1 : step1; } -EnterNode.prototype = { - constructor: EnterNode, - appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, - insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, - querySelector: function(selector) { return this._parent.querySelector(selector); }, - querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } -}; - -function constant(x) { - return function() { - return x; - }; -} - -function bindIndex(parent, group, enter, update, exit, data) { - var i = 0, - node, - groupLength = group.length, - dataLength = data.length; - - // Put any non-null nodes that fit into update. - // Put any null nodes into enter. - // Put any remaining data into enter. - for (; i < dataLength; ++i) { - if (node = group[i]) { - node.__data__ = data[i]; - update[i] = node; - } else { - enter[i] = new EnterNode(parent, data[i]); +function nice(start, stop, count) { + let prestep; + while (true) { + const step = tickIncrement(start, stop, count); + if (step === prestep || step === 0 || !isFinite(step)) { + return [start, stop]; + } else if (step > 0) { + start = Math.floor(start / step) * step; + stop = Math.ceil(stop / step) * step; + } else if (step < 0) { + start = Math.ceil(start * step) / step; + stop = Math.floor(stop * step) / step; } + prestep = step; } +} - // Put any non-null nodes that don’t fit into exit. - for (; i < groupLength; ++i) { - if (node = group[i]) { - exit[i] = node; - } - } +function sturges(values) { + return Math.ceil(Math.log(count(values)) / Math.LN2) + 1; } -function bindKey(parent, group, enter, update, exit, data, key) { - var i, - node, - nodeByKeyValue = new Map, - groupLength = group.length, - dataLength = data.length, - keyValues = new Array(groupLength), - keyValue; +function bin() { + var value = identity, + domain = extent, + threshold = sturges; - // Compute the key for each node. - // If multiple nodes have the same key, the duplicates are added to exit. - for (i = 0; i < groupLength; ++i) { - if (node = group[i]) { - keyValues[i] = keyValue = key.call(node, node.__data__, i, group) + ""; - if (nodeByKeyValue.has(keyValue)) { - exit[i] = node; - } else { - nodeByKeyValue.set(keyValue, node); - } - } - } + function histogram(data) { + if (!Array.isArray(data)) data = Array.from(data); - // Compute the key for each datum. - // If there a node associated with this key, join and add it to update. - // If there is not (or the key is a duplicate), add it to enter. - for (i = 0; i < dataLength; ++i) { - keyValue = key.call(parent, data[i], i, data) + ""; - if (node = nodeByKeyValue.get(keyValue)) { - update[i] = node; - node.__data__ = data[i]; - nodeByKeyValue.delete(keyValue); - } else { - enter[i] = new EnterNode(parent, data[i]); - } - } + var i, + n = data.length, + x, + values = new Array(n); - // Add any remaining nodes that were not bound to data to exit. - for (i = 0; i < groupLength; ++i) { - if ((node = group[i]) && (nodeByKeyValue.get(keyValues[i]) === node)) { - exit[i] = node; + for (i = 0; i < n; ++i) { + values[i] = value(data[i], i, data); } - } -} -function datum(node) { - return node.__data__; -} + var xz = domain(values), + x0 = xz[0], + x1 = xz[1], + tz = threshold(values, x0, x1); -function selection_data(value, key) { - if (!arguments.length) return Array.from(this, datum); + // Convert number of thresholds into uniform thresholds, and nice the + // default domain accordingly. + if (!Array.isArray(tz)) { + const max = x1, tn = +tz; + if (domain === extent) [x0, x1] = nice(x0, x1, tn); + tz = ticks(x0, x1, tn); - var bind = key ? bindKey : bindIndex, - parents = this._parents, - groups = this._groups; + // If the last threshold is coincident with the domain’s upper bound, the + // last bin will be zero-width. If the default domain is used, and this + // last threshold is coincident with the maximum input value, we can + // extend the niced upper bound by one tick to ensure uniform bin widths; + // otherwise, we simply remove the last threshold. Note that we don’t + // coerce values or the domain to numbers, and thus must be careful to + // compare order (>=) rather than strict equality (===)! + if (tz[tz.length - 1] >= x1) { + if (max >= x1 && domain === extent) { + const step = tickIncrement(x0, x1, tn); + if (isFinite(step)) { + if (step > 0) { + x1 = (Math.floor(x1 / step) + 1) * step; + } else if (step < 0) { + x1 = (Math.ceil(x1 * -step) + 1) / -step; + } + } + } else { + tz.pop(); + } + } + } - if (typeof value !== "function") value = constant(value); + // Remove any thresholds outside the domain. + var m = tz.length; + while (tz[0] <= x0) tz.shift(), --m; + while (tz[m - 1] > x1) tz.pop(), --m; - for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) { - var parent = parents[j], - group = groups[j], - groupLength = group.length, - data = array(value.call(parent, parent && parent.__data__, j, parents)), - dataLength = data.length, - enterGroup = enter[j] = new Array(dataLength), - updateGroup = update[j] = new Array(dataLength), - exitGroup = exit[j] = new Array(groupLength); + var bins = new Array(m + 1), + bin; - bind(parent, group, enterGroup, updateGroup, exitGroup, data, key); + // Initialize bins. + for (i = 0; i <= m; ++i) { + bin = bins[i] = []; + bin.x0 = i > 0 ? tz[i - 1] : x0; + bin.x1 = i < m ? tz[i] : x1; + } - // Now connect the enter nodes to their following update node, such that - // appendChild can insert the materialized enter node before this node, - // rather than at the end of the parent node. - for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) { - if (previous = enterGroup[i0]) { - if (i0 >= i1) i1 = i0 + 1; - while (!(next = updateGroup[i1]) && ++i1 < dataLength); - previous._next = next || null; + // Assign data to bins by value, ignoring any outside the domain. + for (i = 0; i < n; ++i) { + x = values[i]; + if (x0 <= x && x <= x1) { + bins[bisectRight(tz, x, 0, m)].push(data[i]); } } + + return bins; } - update = new Selection(update, parents); - update._enter = enter; - update._exit = exit; - return update; -} + histogram.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant(_), histogram) : value; + }; -function selection_exit() { - return new Selection(this._exit || this._groups.map(sparse), this._parents); -} + histogram.domain = function(_) { + return arguments.length ? (domain = typeof _ === "function" ? _ : constant([_[0], _[1]]), histogram) : domain; + }; -function selection_join(onenter, onupdate, onexit) { - var enter = this.enter(), update = this, exit = this.exit(); - enter = typeof onenter === "function" ? onenter(enter) : enter.append(onenter + ""); - if (onupdate != null) update = onupdate(update); - if (onexit == null) exit.remove(); else onexit(exit); - return enter && update ? enter.merge(update).order() : update; -} + histogram.thresholds = function(_) { + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), histogram) : threshold; + }; -function selection_merge(selection) { - if (!(selection instanceof Selection)) throw new Error("invalid merge"); + return histogram; +} - for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { - for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group0[i] || group1[i]) { - merge[i] = node; +function max(values, valueof) { + let max; + if (valueof === undefined) { + for (const value of values) { + if (value != null + && (max < value || (max === undefined && value >= value))) { + max = value; + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null + && (max < value || (max === undefined && value >= value))) { + max = value; } } } - - for (; j < m0; ++j) { - merges[j] = groups0[j]; - } - - return new Selection(merges, this._parents); + return max; } -function selection_order() { - - for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { - for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { - if (node = group[i]) { - if (next && node.compareDocumentPosition(next) ^ 4) next.parentNode.insertBefore(node, next); - next = node; +function min(values, valueof) { + let min; + if (valueof === undefined) { + for (const value of values) { + if (value != null + && (min > value || (min === undefined && value >= value))) { + min = value; + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null + && (min > value || (min === undefined && value >= value))) { + min = value; } } } - - return this; + return min; } -function selection_sort(compare) { - if (!compare) compare = ascending; +// Based on https://github.com/mourner/quickselect +// ISC license, Copyright 2018 Vladimir Agafonkin. +function quickselect(array, k, left = 0, right = array.length - 1, compare = ascending) { + while (right > left) { + if (right - left > 600) { + const n = right - left + 1; + const m = k - left + 1; + const z = Math.log(n); + const s = 0.5 * Math.exp(2 * z / 3); + const sd = 0.5 * Math.sqrt(z * s * (n - s) / n) * (m - n / 2 < 0 ? -1 : 1); + const newLeft = Math.max(left, Math.floor(k - m * s / n + sd)); + const newRight = Math.min(right, Math.floor(k + (n - m) * s / n + sd)); + quickselect(array, k, newLeft, newRight, compare); + } - function compareNode(a, b) { - return a && b ? compare(a.__data__, b.__data__) : !a - !b; - } + const t = array[k]; + let i = left; + let j = right; - for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group[i]) { - sortgroup[i] = node; - } + swap(array, left, k); + if (compare(array[right], t) > 0) swap(array, left, right); + + while (i < j) { + swap(array, i, j), ++i, --j; + while (compare(array[i], t) < 0) ++i; + while (compare(array[j], t) > 0) --j; } - sortgroup.sort(compareNode); - } - return new Selection(sortgroups, this._parents).order(); -} + if (compare(array[left], t) === 0) swap(array, left, j); + else ++j, swap(array, j, right); -function ascending(a, b) { - return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; + if (j <= k) left = j + 1; + if (k <= j) right = j - 1; + } + return array; } -function selection_call() { - var callback = arguments[0]; - arguments[0] = this; - callback.apply(null, arguments); - return this; +function swap(array, i, j) { + const t = array[i]; + array[i] = array[j]; + array[j] = t; } -function selection_nodes() { - return Array.from(this); +function quantile(values, p, valueof) { + values = Float64Array.from(numbers(values, valueof)); + if (!(n = values.length)) return; + if ((p = +p) <= 0 || n < 2) return min(values); + if (p >= 1) return max(values); + var n, + i = (n - 1) * p, + i0 = Math.floor(i), + value0 = max(quickselect(values, i0).subarray(0, i0 + 1)), + value1 = min(values.subarray(i0 + 1)); + return value0 + (value1 - value0) * (i - i0); } -function selection_node() { - - for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { - for (var group = groups[j], i = 0, n = group.length; i < n; ++i) { - var node = group[i]; - if (node) return node; - } - } - - return null; +function quantileSorted(values, p, valueof = number) { + if (!(n = values.length)) return; + if ((p = +p) <= 0 || n < 2) return +valueof(values[0], 0, values); + if (p >= 1) return +valueof(values[n - 1], n - 1, values); + var n, + i = (n - 1) * p, + i0 = Math.floor(i), + value0 = +valueof(values[i0], i0, values), + value1 = +valueof(values[i0 + 1], i0 + 1, values); + return value0 + (value1 - value0) * (i - i0); } -function selection_size() { - let size = 0; - for (const node of this) ++size; // eslint-disable-line no-unused-vars - return size; +function freedmanDiaconis(values, min, max) { + return Math.ceil((max - min) / (2 * (quantile(values, 0.75) - quantile(values, 0.25)) * Math.pow(count(values), -1 / 3))); } -function selection_empty() { - return !this.node(); +function scott(values, min, max) { + return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(count(values), -1 / 3))); } -function selection_each(callback) { - - for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { - for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { - if (node = group[i]) callback.call(node, node.__data__, i, group); +function maxIndex(values, valueof) { + let max; + let maxIndex = -1; + let index = -1; + if (valueof === undefined) { + for (const value of values) { + ++index; + if (value != null + && (max < value || (max === undefined && value >= value))) { + max = value, maxIndex = index; + } + } + } else { + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null + && (max < value || (max === undefined && value >= value))) { + max = value, maxIndex = index; + } } } - - return this; -} - -function attrRemove(name) { - return function() { - this.removeAttribute(name); - }; + return maxIndex; } -function attrRemoveNS(fullname) { - return function() { - this.removeAttributeNS(fullname.space, fullname.local); - }; +function mean(values, valueof) { + let count = 0; + let sum = 0; + if (valueof === undefined) { + for (let value of values) { + if (value != null && (value = +value) >= value) { + ++count, sum += value; + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) { + ++count, sum += value; + } + } + } + if (count) return sum / count; } -function attrConstant(name, value) { - return function() { - this.setAttribute(name, value); - }; +function median(values, valueof) { + return quantile(values, 0.5, valueof); } -function attrConstantNS(fullname, value) { - return function() { - this.setAttributeNS(fullname.space, fullname.local, value); - }; +function* flatten(arrays) { + for (const array of arrays) { + yield* array; + } } -function attrFunction(name, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.removeAttribute(name); - else this.setAttribute(name, v); - }; +function merge(arrays) { + return Array.from(flatten(arrays)); } -function attrFunctionNS(fullname, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.removeAttributeNS(fullname.space, fullname.local); - else this.setAttributeNS(fullname.space, fullname.local, v); - }; +function minIndex(values, valueof) { + let min; + let minIndex = -1; + let index = -1; + if (valueof === undefined) { + for (const value of values) { + ++index; + if (value != null + && (min > value || (min === undefined && value >= value))) { + min = value, minIndex = index; + } + } + } else { + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null + && (min > value || (min === undefined && value >= value))) { + min = value, minIndex = index; + } + } + } + return minIndex; } -function selection_attr(name, value) { - var fullname = namespace(name); - - if (arguments.length < 2) { - var node = this.node(); - return fullname.local - ? node.getAttributeNS(fullname.space, fullname.local) - : node.getAttribute(fullname); +function pairs(values, pairof = pair) { + const pairs = []; + let previous; + let first = false; + for (const value of values) { + if (first) pairs.push(pairof(previous, value)); + previous = value; + first = true; } - - return this.each((value == null - ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" - ? (fullname.local ? attrFunctionNS : attrFunction) - : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); + return pairs; } -function defaultView(node) { - return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node - || (node.document && node) // node is a Window - || node.defaultView; // node is a Document +function pair(a, b) { + return [a, b]; } -function styleRemove(name) { - return function() { - this.style.removeProperty(name); - }; -} +function range(start, stop, step) { + start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; -function styleConstant(name, value, priority) { - return function() { - this.style.setProperty(name, value, priority); - }; -} + var i = -1, + n = Math.max(0, Math.ceil((stop - start) / step)) | 0, + range = new Array(n); -function styleFunction(name, value, priority) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.style.removeProperty(name); - else this.style.setProperty(name, v, priority); - }; + while (++i < n) { + range[i] = start + i * step; + } + + return range; } -function selection_style(name, value, priority) { - return arguments.length > 1 - ? this.each((value == null - ? styleRemove : typeof value === "function" - ? styleFunction - : styleConstant)(name, value, priority == null ? "" : priority)) - : styleValue(this.node(), name); -} - -function styleValue(node, name) { - return node.style.getPropertyValue(name) - || defaultView(node).getComputedStyle(node, null).getPropertyValue(name); -} - -function propertyRemove(name) { - return function() { - delete this[name]; - }; +function least(values, compare = ascending) { + let min; + let defined = false; + if (compare.length === 1) { + let minValue; + for (const element of values) { + const value = compare(element); + if (defined + ? ascending(value, minValue) < 0 + : ascending(value, value) === 0) { + min = element; + minValue = value; + defined = true; + } + } + } else { + for (const value of values) { + if (defined + ? compare(value, min) < 0 + : compare(value, value) === 0) { + min = value; + defined = true; + } + } + } + return min; } -function propertyConstant(name, value) { - return function() { - this[name] = value; - }; +function leastIndex(values, compare = ascending) { + if (compare.length === 1) return minIndex(values, compare); + let minValue; + let min = -1; + let index = -1; + for (const value of values) { + ++index; + if (min < 0 + ? compare(value, value) === 0 + : compare(value, minValue) < 0) { + minValue = value; + min = index; + } + } + return min; } -function propertyFunction(name, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) delete this[name]; - else this[name] = v; - }; +function greatest(values, compare = ascending) { + let max; + let defined = false; + if (compare.length === 1) { + let maxValue; + for (const element of values) { + const value = compare(element); + if (defined + ? ascending(value, maxValue) > 0 + : ascending(value, value) === 0) { + max = element; + maxValue = value; + defined = true; + } + } + } else { + for (const value of values) { + if (defined + ? compare(value, max) > 0 + : compare(value, value) === 0) { + max = value; + defined = true; + } + } + } + return max; } -function selection_property(name, value) { - return arguments.length > 1 - ? this.each((value == null - ? propertyRemove : typeof value === "function" - ? propertyFunction - : propertyConstant)(name, value)) - : this.node()[name]; +function greatestIndex(values, compare = ascending) { + if (compare.length === 1) return maxIndex(values, compare); + let maxValue; + let max = -1; + let index = -1; + for (const value of values) { + ++index; + if (max < 0 + ? compare(value, value) === 0 + : compare(value, maxValue) > 0) { + maxValue = value; + max = index; + } + } + return max; } -function classArray(string) { - return string.trim().split(/^|\s+/); +function scan(values, compare) { + const index = leastIndex(values, compare); + return index < 0 ? undefined : index; } -function classList(node) { - return node.classList || new ClassList(node); -} +var shuffle = shuffler(Math.random); -function ClassList(node) { - this._node = node; - this._names = classArray(node.getAttribute("class") || ""); +function shuffler(random) { + return function shuffle(array, i0 = 0, i1 = array.length) { + let m = i1 - (i0 = +i0); + while (m) { + const i = random() * m-- | 0, t = array[m + i0]; + array[m + i0] = array[i + i0]; + array[i + i0] = t; + } + return array; + }; } -ClassList.prototype = { - add: function(name) { - var i = this._names.indexOf(name); - if (i < 0) { - this._names.push(name); - this._node.setAttribute("class", this._names.join(" ")); +function sum(values, valueof) { + let sum = 0; + if (valueof === undefined) { + for (let value of values) { + if (value = +value) { + sum += value; + } } - }, - remove: function(name) { - var i = this._names.indexOf(name); - if (i >= 0) { - this._names.splice(i, 1); - this._node.setAttribute("class", this._names.join(" ")); + } else { + let index = -1; + for (let value of values) { + if (value = +valueof(value, ++index, values)) { + sum += value; + } } - }, - contains: function(name) { - return this._names.indexOf(name) >= 0; } -}; - -function classedAdd(node, names) { - var list = classList(node), i = -1, n = names.length; - while (++i < n) list.add(names[i]); -} - -function classedRemove(node, names) { - var list = classList(node), i = -1, n = names.length; - while (++i < n) list.remove(names[i]); + return sum; } -function classedTrue(names) { - return function() { - classedAdd(this, names); - }; +function transpose(matrix) { + if (!(n = matrix.length)) return []; + for (var i = -1, m = min(matrix, length), transpose = new Array(m); ++i < m;) { + for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n;) { + row[j] = matrix[j][i]; + } + } + return transpose; } -function classedFalse(names) { - return function() { - classedRemove(this, names); - }; +function length(d) { + return d.length; } -function classedFunction(names, value) { - return function() { - (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names); - }; +function zip() { + return transpose(arguments); } -function selection_classed(name, value) { - var names = classArray(name + ""); - - if (arguments.length < 2) { - var list = classList(this.node()), i = -1, n = names.length; - while (++i < n) if (!list.contains(names[i])) return false; - return true; +function every(values, test) { + if (typeof test !== "function") throw new TypeError("test is not a function"); + let index = -1; + for (const value of values) { + if (!test(value, ++index, values)) { + return false; + } } - - return this.each((typeof value === "function" - ? classedFunction : value - ? classedTrue - : classedFalse)(names, value)); + return true; } -function textRemove() { - this.textContent = ""; +function some(values, test) { + if (typeof test !== "function") throw new TypeError("test is not a function"); + let index = -1; + for (const value of values) { + if (test(value, ++index, values)) { + return true; + } + } + return false; } -function textConstant(value) { - return function() { - this.textContent = value; - }; +function filter(values, test) { + if (typeof test !== "function") throw new TypeError("test is not a function"); + const array = []; + let index = -1; + for (const value of values) { + if (test(value, ++index, values)) { + array.push(value); + } + } + return array; } -function textFunction(value) { - return function() { - var v = value.apply(this, arguments); - this.textContent = v == null ? "" : v; - }; +function map(values, mapper) { + if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable"); + if (typeof mapper !== "function") throw new TypeError("mapper is not a function"); + return Array.from(values, (value, index) => mapper(value, index, values)); } -function selection_text(value) { - return arguments.length - ? this.each(value == null - ? textRemove : (typeof value === "function" - ? textFunction - : textConstant)(value)) - : this.node().textContent; +function reduce(values, reducer, value) { + if (typeof reducer !== "function") throw new TypeError("reducer is not a function"); + const iterator = values[Symbol.iterator](); + let done, next, index = -1; + if (arguments.length < 3) { + ({done, value} = iterator.next()); + if (done) return; + ++index; + } + while (({done, value: next} = iterator.next()), !done) { + value = reducer(value, next, ++index, values); + } + return value; } -function htmlRemove() { - this.innerHTML = ""; +function reverse(values) { + if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable"); + return Array.from(values).reverse(); } -function htmlConstant(value) { - return function() { - this.innerHTML = value; - }; +function difference(values, ...others) { + values = new Set(values); + for (const other of others) { + for (const value of other) { + values.delete(value); + } + } + return values; } -function htmlFunction(value) { - return function() { - var v = value.apply(this, arguments); - this.innerHTML = v == null ? "" : v; - }; +function disjoint(values, other) { + const iterator = other[Symbol.iterator](), set = new Set(); + for (const v of values) { + if (set.has(v)) return false; + let value, done; + while (({value, done} = iterator.next())) { + if (done) break; + if (Object.is(v, value)) return false; + set.add(value); + } + } + return true; } -function selection_html(value) { - return arguments.length - ? this.each(value == null - ? htmlRemove : (typeof value === "function" - ? htmlFunction - : htmlConstant)(value)) - : this.node().innerHTML; +function set(values) { + return values instanceof Set ? values : new Set(values); } -function raise() { - if (this.nextSibling) this.parentNode.appendChild(this); +function intersection(values, ...others) { + values = new Set(values); + others = others.map(set); + out: for (const value of values) { + for (const other of others) { + if (!other.has(value)) { + values.delete(value); + continue out; + } + } + } + return values; } -function selection_raise() { - return this.each(raise); +function superset(values, other) { + const iterator = values[Symbol.iterator](), set = new Set(); + for (const o of other) { + if (set.has(o)) continue; + let value, done; + while (({value, done} = iterator.next())) { + if (done) return false; + set.add(value); + if (Object.is(o, value)) break; + } + } + return true; } -function lower() { - if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); +function subset(values, other) { + return superset(other, values); } -function selection_lower() { - return this.each(lower); +function union(...others) { + const set = new Set(); + for (const other of others) { + for (const o of other) { + set.add(o); + } + } + return set; } -function selection_append(name) { - var create = typeof name === "function" ? name : creator(name); - return this.select(function() { - return this.appendChild(create.apply(this, arguments)); - }); -} +exports.Adder = Adder; +exports.InternMap = InternMap; +exports.InternSet = InternSet; +exports.ascending = ascending; +exports.bin = bin; +exports.bisect = bisectRight; +exports.bisectCenter = bisectCenter; +exports.bisectLeft = bisectLeft; +exports.bisectRight = bisectRight; +exports.bisector = bisector; +exports.count = count; +exports.cross = cross; +exports.cumsum = cumsum; +exports.descending = descending; +exports.deviation = deviation; +exports.difference = difference; +exports.disjoint = disjoint; +exports.every = every; +exports.extent = extent; +exports.fcumsum = fcumsum; +exports.filter = filter; +exports.fsum = fsum; +exports.greatest = greatest; +exports.greatestIndex = greatestIndex; +exports.group = group; +exports.groupSort = groupSort; +exports.groups = groups; +exports.histogram = bin; +exports.index = index; +exports.indexes = indexes; +exports.intersection = intersection; +exports.least = least; +exports.leastIndex = leastIndex; +exports.map = map; +exports.max = max; +exports.maxIndex = maxIndex; +exports.mean = mean; +exports.median = median; +exports.merge = merge; +exports.min = min; +exports.minIndex = minIndex; +exports.nice = nice; +exports.pairs = pairs; +exports.permute = permute; +exports.quantile = quantile; +exports.quantileSorted = quantileSorted; +exports.quickselect = quickselect; +exports.range = range; +exports.reduce = reduce; +exports.reverse = reverse; +exports.rollup = rollup; +exports.rollups = rollups; +exports.scan = scan; +exports.shuffle = shuffle; +exports.shuffler = shuffler; +exports.some = some; +exports.sort = sort; +exports.subset = subset; +exports.sum = sum; +exports.superset = superset; +exports.thresholdFreedmanDiaconis = freedmanDiaconis; +exports.thresholdScott = scott; +exports.thresholdSturges = sturges; +exports.tickIncrement = tickIncrement; +exports.tickStep = tickStep; +exports.ticks = ticks; +exports.transpose = transpose; +exports.union = union; +exports.variance = variance; +exports.zip = zip; -function constantNull() { - return null; -} +Object.defineProperty(exports, '__esModule', { value: true }); -function selection_insert(name, before) { - var create = typeof name === "function" ? name : creator(name), - select = before == null ? constantNull : typeof before === "function" ? before : selector(before); - return this.select(function() { - return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); - }); -} +}))); +}); -function remove() { - var parent = this.parentNode; - if (parent) parent.removeChild(this); -} +var d3Axis = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-axis/ v2.1.0 Copyright 2021 Mike Bostock +(function (global, factory) { +factory(exports) ; +}(commonjsGlobal, (function (exports) { +var slice = Array.prototype.slice; -function selection_remove() { - return this.each(remove); +function identity(x) { + return x; } -function selection_cloneShallow() { - var clone = this.cloneNode(false), parent = this.parentNode; - return parent ? parent.insertBefore(clone, this.nextSibling) : clone; -} +var top = 1, + right = 2, + bottom = 3, + left = 4, + epsilon = 1e-6; -function selection_cloneDeep() { - var clone = this.cloneNode(true), parent = this.parentNode; - return parent ? parent.insertBefore(clone, this.nextSibling) : clone; +function translateX(x) { + return "translate(" + x + ",0)"; } -function selection_clone(deep) { - return this.select(deep ? selection_cloneDeep : selection_cloneShallow); +function translateY(y) { + return "translate(0," + y + ")"; } -function selection_datum(value) { - return arguments.length - ? this.property("__data__", value) - : this.node().__data__; +function number(scale) { + return d => +scale(d); } -function contextListener(listener) { - return function(event) { - listener.call(this, event, this.__data__); - }; +function center(scale, offset) { + offset = Math.max(0, scale.bandwidth() - offset * 2) / 2; + if (scale.round()) offset = Math.round(offset); + return d => +scale(d) + offset; } -function parseTypenames(typenames) { - return typenames.trim().split(/^|\s+/).map(function(t) { - var name = "", i = t.indexOf("."); - if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); - return {type: t, name: name}; - }); +function entering() { + return !this.__axis; } -function onRemove(typename) { - return function() { - var on = this.__on; - if (!on) return; - for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { - if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.options); - } else { - on[++i] = o; - } - } - if (++i) on.length = i; - else delete this.__on; - }; -} +function axis(orient, scale) { + var tickArguments = [], + tickValues = null, + tickFormat = null, + tickSizeInner = 6, + tickSizeOuter = 6, + tickPadding = 3, + offset = typeof window !== "undefined" && window.devicePixelRatio > 1 ? 0 : 0.5, + k = orient === top || orient === left ? -1 : 1, + x = orient === left || orient === right ? "x" : "y", + transform = orient === top || orient === bottom ? translateX : translateY; -function onAdd(typename, value, options) { - return function() { - var on = this.__on, o, listener = contextListener(value); - if (on) for (var j = 0, m = on.length; j < m; ++j) { - if ((o = on[j]).type === typename.type && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.options); - this.addEventListener(o.type, o.listener = listener, o.options = options); - o.value = value; - return; - } - } - this.addEventListener(typename.type, listener, options); - o = {type: typename.type, name: typename.name, value: value, listener: listener, options: options}; - if (!on) this.__on = [o]; - else on.push(o); - }; -} + function axis(context) { + var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues, + format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity) : tickFormat, + spacing = Math.max(tickSizeInner, 0) + tickPadding, + range = scale.range(), + range0 = +range[0] + offset, + range1 = +range[range.length - 1] + offset, + position = (scale.bandwidth ? center : number)(scale.copy(), offset), + selection = context.selection ? context.selection() : context, + path = selection.selectAll(".domain").data([null]), + tick = selection.selectAll(".tick").data(values, scale).order(), + tickExit = tick.exit(), + tickEnter = tick.enter().append("g").attr("class", "tick"), + line = tick.select("line"), + text = tick.select("text"); -function selection_on(typename, value, options) { - var typenames = parseTypenames(typename + ""), i, n = typenames.length, t; + path = path.merge(path.enter().insert("path", ".tick") + .attr("class", "domain") + .attr("stroke", "currentColor")); - if (arguments.length < 2) { - var on = this.node().__on; - if (on) for (var j = 0, m = on.length, o; j < m; ++j) { - for (i = 0, o = on[j]; i < n; ++i) { - if ((t = typenames[i]).type === o.type && t.name === o.name) { - return o.value; - } - } + tick = tick.merge(tickEnter); + + line = line.merge(tickEnter.append("line") + .attr("stroke", "currentColor") + .attr(x + "2", k * tickSizeInner)); + + text = text.merge(tickEnter.append("text") + .attr("fill", "currentColor") + .attr(x, k * spacing) + .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); + + if (context !== selection) { + path = path.transition(context); + tick = tick.transition(context); + line = line.transition(context); + text = text.transition(context); + + tickExit = tickExit.transition(context) + .attr("opacity", epsilon) + .attr("transform", function(d) { return isFinite(d = position(d)) ? transform(d + offset) : this.getAttribute("transform"); }); + + tickEnter + .attr("opacity", epsilon) + .attr("transform", function(d) { var p = this.parentNode.__axis; return transform((p && isFinite(p = p(d)) ? p : position(d)) + offset); }); } - return; - } - on = value ? onAdd : onRemove; - for (i = 0; i < n; ++i) this.each(on(typenames[i], value, options)); - return this; -} + tickExit.remove(); -function dispatchEvent(node, type, params) { - var window = defaultView(node), - event = window.CustomEvent; + path + .attr("d", orient === left || orient === right + ? (tickSizeOuter ? "M" + k * tickSizeOuter + "," + range0 + "H" + offset + "V" + range1 + "H" + k * tickSizeOuter : "M" + offset + "," + range0 + "V" + range1) + : (tickSizeOuter ? "M" + range0 + "," + k * tickSizeOuter + "V" + offset + "H" + range1 + "V" + k * tickSizeOuter : "M" + range0 + "," + offset + "H" + range1)); - if (typeof event === "function") { - event = new event(type, params); - } else { - event = window.document.createEvent("Event"); - if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; - else event.initEvent(type, false, false); + tick + .attr("opacity", 1) + .attr("transform", function(d) { return transform(position(d) + offset); }); + + line + .attr(x + "2", k * tickSizeInner); + + text + .attr(x, k * spacing) + .text(format); + + selection.filter(entering) + .attr("fill", "none") + .attr("font-size", 10) + .attr("font-family", "sans-serif") + .attr("text-anchor", orient === right ? "start" : orient === left ? "end" : "middle"); + + selection + .each(function() { this.__axis = position; }); } - node.dispatchEvent(event); -} + axis.scale = function(_) { + return arguments.length ? (scale = _, axis) : scale; + }; -function dispatchConstant(type, params) { - return function() { - return dispatchEvent(this, type, params); + axis.ticks = function() { + return tickArguments = slice.call(arguments), axis; }; -} -function dispatchFunction(type, params) { - return function() { - return dispatchEvent(this, type, params.apply(this, arguments)); + axis.tickArguments = function(_) { + return arguments.length ? (tickArguments = _ == null ? [] : slice.call(_), axis) : tickArguments.slice(); }; -} -function selection_dispatch(type, params) { - return this.each((typeof params === "function" - ? dispatchFunction - : dispatchConstant)(type, params)); -} + axis.tickValues = function(_) { + return arguments.length ? (tickValues = _ == null ? null : slice.call(_), axis) : tickValues && tickValues.slice(); + }; -function* selection_iterator() { - for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { - for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { - if (node = group[i]) yield node; - } - } -} + axis.tickFormat = function(_) { + return arguments.length ? (tickFormat = _, axis) : tickFormat; + }; -var root = [null]; + axis.tickSize = function(_) { + return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner; + }; -function Selection(groups, parents) { - this._groups = groups; - this._parents = parents; -} + axis.tickSizeInner = function(_) { + return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner; + }; -function selection() { - return new Selection([[document.documentElement]], root); -} + axis.tickSizeOuter = function(_) { + return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter; + }; -function selection_selection() { - return this; -} + axis.tickPadding = function(_) { + return arguments.length ? (tickPadding = +_, axis) : tickPadding; + }; -Selection.prototype = selection.prototype = { - constructor: Selection, - select: selection_select, - selectAll: selection_selectAll, - selectChild: selection_selectChild, - selectChildren: selection_selectChildren, - filter: selection_filter, - data: selection_data, - enter: selection_enter, - exit: selection_exit, - join: selection_join, - merge: selection_merge, - selection: selection_selection, - order: selection_order, - sort: selection_sort, - call: selection_call, - nodes: selection_nodes, - node: selection_node, - size: selection_size, - empty: selection_empty, - each: selection_each, - attr: selection_attr, - style: selection_style, - property: selection_property, - classed: selection_classed, - text: selection_text, - html: selection_html, - raise: selection_raise, - lower: selection_lower, - append: selection_append, - insert: selection_insert, - remove: selection_remove, - clone: selection_clone, - datum: selection_datum, - on: selection_on, - dispatch: selection_dispatch, - [Symbol.iterator]: selection_iterator -}; + axis.offset = function(_) { + return arguments.length ? (offset = +_, axis) : offset; + }; -function select(selector) { - return typeof selector === "string" - ? new Selection([[document.querySelector(selector)]], [document.documentElement]) - : new Selection([[selector]], root); + return axis; } -function create(name) { - return select(creator(name).call(document.documentElement)); +function axisTop(scale) { + return axis(top, scale); } -var nextId = 0; +function axisRight(scale) { + return axis(right, scale); +} -function local() { - return new Local; +function axisBottom(scale) { + return axis(bottom, scale); } -function Local() { - this._ = "@" + (++nextId).toString(36); +function axisLeft(scale) { + return axis(left, scale); } -Local.prototype = local.prototype = { - constructor: Local, - get: function(node) { - var id = this._; - while (!(id in node)) if (!(node = node.parentNode)) return; - return node[id]; - }, - set: function(node, value) { - return node[this._] = value; - }, - remove: function(node) { - return this._ in node && delete node[this._]; - }, - toString: function() { - return this._; +exports.axisBottom = axisBottom; +exports.axisLeft = axisLeft; +exports.axisRight = axisRight; +exports.axisTop = axisTop; + +Object.defineProperty(exports, '__esModule', { value: true }); + +}))); +}); + +var d3Dispatch = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-dispatch/ v2.0.0 Copyright 2020 Mike Bostock +(function (global, factory) { +factory(exports) ; +}(commonjsGlobal, function (exports) { +var noop = {value: () => {}}; + +function dispatch() { + for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { + if (!(t = arguments[i] + "") || (t in _) || /[\s.]/.test(t)) throw new Error("illegal type: " + t); + _[t] = []; } -}; + return new Dispatch(_); +} -function sourceEvent(event) { - let sourceEvent; - while (sourceEvent = event.sourceEvent) event = sourceEvent; - return event; +function Dispatch(_) { + this._ = _; } -function pointer(event, node) { - event = sourceEvent(event); - if (node === undefined) node = event.currentTarget; - if (node) { - var svg = node.ownerSVGElement || node; - if (svg.createSVGPoint) { - var point = svg.createSVGPoint(); - point.x = event.clientX, point.y = event.clientY; - point = point.matrixTransform(node.getScreenCTM().inverse()); - return [point.x, point.y]; +function parseTypenames(typenames, types) { + return typenames.trim().split(/^|\s+/).map(function(t) { + var name = "", i = t.indexOf("."); + if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); + if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t); + return {type: t, name: name}; + }); +} + +Dispatch.prototype = dispatch.prototype = { + constructor: Dispatch, + on: function(typename, callback) { + var _ = this._, + T = parseTypenames(typename + "", _), + t, + i = -1, + n = T.length; + + // If no callback was specified, return the callback of the given type and name. + if (arguments.length < 2) { + while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t; + return; } - if (node.getBoundingClientRect) { - var rect = node.getBoundingClientRect(); - return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; + + // If a type was specified, set the callback for the given type and name. + // Otherwise, if a null callback was specified, remove callbacks of the given name. + if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback); + while (++i < n) { + if (t = (typename = T[i]).type) _[t] = set(_[t], typename.name, callback); + else if (callback == null) for (t in _) _[t] = set(_[t], typename.name, null); } + + return this; + }, + copy: function() { + var copy = {}, _ = this._; + for (var t in _) copy[t] = _[t].slice(); + return new Dispatch(copy); + }, + call: function(type, that) { + if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2]; + if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); + for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); + }, + apply: function(type, that, args) { + if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); + for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); } - return [event.pageX, event.pageY]; -} +}; -function pointers(events, node) { - if (events.target) { // i.e., instanceof Event, not TouchList or iterable - events = sourceEvent(events); - if (node === undefined) node = events.currentTarget; - events = events.touches || [events]; +function get(type, name) { + for (var i = 0, n = type.length, c; i < n; ++i) { + if ((c = type[i]).name === name) { + return c.value; + } } - return Array.from(events, event => pointer(event, node)); } -function selectAll(selector) { - return typeof selector === "string" - ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) - : new Selection([selector == null ? [] : array(selector)], root); +function set(type, name, callback) { + for (var i = 0, n = type.length; i < n; ++i) { + if (type[i].name === name) { + type[i] = noop, type = type.slice(0, i).concat(type.slice(i + 1)); + break; + } + } + if (callback != null) type.push({name: name, value: callback}); + return type; } -exports.create = create; -exports.creator = creator; -exports.local = local; -exports.matcher = matcher; -exports.namespace = namespace; -exports.namespaces = namespaces; -exports.pointer = pointer; -exports.pointers = pointers; -exports.select = select; -exports.selectAll = selectAll; -exports.selection = selection; -exports.selector = selector; -exports.selectorAll = selectorAll; -exports.style = styleValue; -exports.window = defaultView; +exports.dispatch = dispatch; Object.defineProperty(exports, '__esModule', { value: true }); })); }); -var d3Drag = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-drag/ v2.0.0 Copyright 2020 Mike Bostock +var d3Selection = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-selection/ v2.0.0 Copyright 2020 Mike Bostock (function (global, factory) { -factory(exports, d3Dispatch, d3Selection) ; -}(commonjsGlobal, function (exports, d3Dispatch, d3Selection) { -function nopropagation(event) { - event.stopImmediatePropagation(); +factory(exports) ; +}(commonjsGlobal, function (exports) { +var xhtml = "http://www.w3.org/1999/xhtml"; + +var namespaces = { + svg: "http://www.w3.org/2000/svg", + xhtml: xhtml, + xlink: "http://www.w3.org/1999/xlink", + xml: "http://www.w3.org/XML/1998/namespace", + xmlns: "http://www.w3.org/2000/xmlns/" +}; + +function namespace(name) { + var prefix = name += "", i = prefix.indexOf(":"); + if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); + return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; // eslint-disable-line no-prototype-builtins } -function noevent(event) { - event.preventDefault(); - event.stopImmediatePropagation(); +function creatorInherit(name) { + return function() { + var document = this.ownerDocument, + uri = this.namespaceURI; + return uri === xhtml && document.documentElement.namespaceURI === xhtml + ? document.createElement(name) + : document.createElementNS(uri, name); + }; } -function nodrag(view) { - var root = view.document.documentElement, - selection = d3Selection.select(view).on("dragstart.drag", noevent, true); - if ("onselectstart" in root) { - selection.on("selectstart.drag", noevent, true); - } else { - root.__noselect = root.style.MozUserSelect; - root.style.MozUserSelect = "none"; - } +function creatorFixed(fullname) { + return function() { + return this.ownerDocument.createElementNS(fullname.space, fullname.local); + }; } -function yesdrag(view, noclick) { - var root = view.document.documentElement, - selection = d3Selection.select(view).on("dragstart.drag", null); - if (noclick) { - selection.on("click.drag", noevent, true); - setTimeout(function() { selection.on("click.drag", null); }, 0); - } - if ("onselectstart" in root) { - selection.on("selectstart.drag", null); - } else { - root.style.MozUserSelect = root.__noselect; - delete root.__noselect; - } +function creator(name) { + var fullname = namespace(name); + return (fullname.local + ? creatorFixed + : creatorInherit)(fullname); } -var constant = x => () => x; +function none() {} -function DragEvent(type, { - sourceEvent, - subject, - target, - identifier, - active, - x, y, dx, dy, - dispatch -}) { - Object.defineProperties(this, { - type: {value: type, enumerable: true, configurable: true}, - sourceEvent: {value: sourceEvent, enumerable: true, configurable: true}, - subject: {value: subject, enumerable: true, configurable: true}, - target: {value: target, enumerable: true, configurable: true}, - identifier: {value: identifier, enumerable: true, configurable: true}, - active: {value: active, enumerable: true, configurable: true}, - x: {value: x, enumerable: true, configurable: true}, - y: {value: y, enumerable: true, configurable: true}, - dx: {value: dx, enumerable: true, configurable: true}, - dy: {value: dy, enumerable: true, configurable: true}, - _: {value: dispatch} - }); +function selector(selector) { + return selector == null ? none : function() { + return this.querySelector(selector); + }; } -DragEvent.prototype.on = function() { - var value = this._.on.apply(this._, arguments); - return value === this._ ? this : value; -}; +function selection_select(select) { + if (typeof select !== "function") select = selector(select); -// Ignore right-click, since that should open the context menu. -function defaultFilter(event) { - return !event.ctrlKey && !event.button; -} + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { + if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + subgroup[i] = subnode; + } + } + } -function defaultContainer() { - return this.parentNode; + return new Selection(subgroups, this._parents); } -function defaultSubject(event, d) { - return d == null ? {x: event.x, y: event.y} : d; +function array(x) { + return typeof x === "object" && "length" in x + ? x // Array, TypedArray, NodeList, array-like + : Array.from(x); // Map, Set, iterable, string, or anything else } -function defaultTouchable() { - return navigator.maxTouchPoints || ("ontouchstart" in this); +function empty() { + return []; } -function drag() { - var filter = defaultFilter, - container = defaultContainer, - subject = defaultSubject, - touchable = defaultTouchable, - gestures = {}, - listeners = d3Dispatch.dispatch("start", "drag", "end"), - active = 0, - mousedownx, - mousedowny, - mousemoving, - touchending, - clickDistance2 = 0; - - function drag(selection) { - selection - .on("mousedown.drag", mousedowned) - .filter(touchable) - .on("touchstart.drag", touchstarted) - .on("touchmove.drag", touchmoved) - .on("touchend.drag touchcancel.drag", touchended) - .style("touch-action", "none") - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); - } - - function mousedowned(event, d) { - if (touchending || !filter.call(this, event, d)) return; - var gesture = beforestart(this, container.call(this, event, d), event, d, "mouse"); - if (!gesture) return; - d3Selection.select(event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); - nodrag(event.view); - nopropagation(event); - mousemoving = false; - mousedownx = event.clientX; - mousedowny = event.clientY; - gesture("start", event); - } - - function mousemoved(event) { - noevent(event); - if (!mousemoving) { - var dx = event.clientX - mousedownx, dy = event.clientY - mousedowny; - mousemoving = dx * dx + dy * dy > clickDistance2; - } - gestures.mouse("drag", event); - } - - function mouseupped(event) { - d3Selection.select(event.view).on("mousemove.drag mouseup.drag", null); - yesdrag(event.view, mousemoving); - noevent(event); - gestures.mouse("end", event); - } - - function touchstarted(event, d) { - if (!filter.call(this, event, d)) return; - var touches = event.changedTouches, - c = container.call(this, event, d), - n = touches.length, i, gesture; - - for (i = 0; i < n; ++i) { - if (gesture = beforestart(this, c, event, d, touches[i].identifier, touches[i])) { - nopropagation(event); - gesture("start", event, touches[i]); - } - } - } - - function touchmoved(event) { - var touches = event.changedTouches, - n = touches.length, i, gesture; +function selectorAll(selector) { + return selector == null ? empty : function() { + return this.querySelectorAll(selector); + }; +} - for (i = 0; i < n; ++i) { - if (gesture = gestures[touches[i].identifier]) { - noevent(event); - gesture("drag", event, touches[i]); - } - } - } +function arrayAll(select) { + return function() { + var group = select.apply(this, arguments); + return group == null ? [] : array(group); + }; +} - function touchended(event) { - var touches = event.changedTouches, - n = touches.length, i, gesture; +function selection_selectAll(select) { + if (typeof select === "function") select = arrayAll(select); + else select = selectorAll(select); - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! - for (i = 0; i < n; ++i) { - if (gesture = gestures[touches[i].identifier]) { - nopropagation(event); - gesture("end", event, touches[i]); + for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + subgroups.push(select.call(node, node.__data__, i, group)); + parents.push(node); } } } - function beforestart(that, container, event, d, identifier, touch) { - var dispatch = listeners.copy(), - p = d3Selection.pointer(touch || event, container), dx, dy, - s; + return new Selection(subgroups, parents); +} - if ((s = subject.call(that, new DragEvent("beforestart", { - sourceEvent: event, - target: drag, - identifier, - active, - x: p[0], - y: p[1], - dx: 0, - dy: 0, - dispatch - }), d)) == null) return; +function matcher(selector) { + return function() { + return this.matches(selector); + }; +} - dx = s.x - p[0] || 0; - dy = s.y - p[1] || 0; +function childMatcher(selector) { + return function(node) { + return node.matches(selector); + }; +} - return function gesture(type, event, touch) { - var p0 = p, n; - switch (type) { - case "start": gestures[identifier] = gesture, n = active++; break; - case "end": delete gestures[identifier], --active; // nobreak - case "drag": p = d3Selection.pointer(touch || event, container), n = active; break; - } - dispatch.call( - type, - that, - new DragEvent(type, { - sourceEvent: event, - subject: s, - target: drag, - identifier, - active: n, - x: p[0] + dx, - y: p[1] + dy, - dx: p[0] - p0[0], - dy: p[1] - p0[1], - dispatch - }), - d - ); - }; - } +var find = Array.prototype.find; - drag.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant(!!_), drag) : filter; +function childFind(match) { + return function() { + return find.call(this.children, match); }; +} - drag.container = function(_) { - return arguments.length ? (container = typeof _ === "function" ? _ : constant(_), drag) : container; - }; +function childFirst() { + return this.firstElementChild; +} - drag.subject = function(_) { - return arguments.length ? (subject = typeof _ === "function" ? _ : constant(_), drag) : subject; - }; +function selection_selectChild(match) { + return this.select(match == null ? childFirst + : childFind(typeof match === "function" ? match : childMatcher(match))); +} - drag.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant(!!_), drag) : touchable; - }; +var filter = Array.prototype.filter; - drag.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? drag : value; - }; +function children() { + return this.children; +} - drag.clickDistance = function(_) { - return arguments.length ? (clickDistance2 = (_ = +_) * _, drag) : Math.sqrt(clickDistance2); +function childrenFilter(match) { + return function() { + return filter.call(this.children, match); }; +} - return drag; +function selection_selectChildren(match) { + return this.selectAll(match == null ? children + : childrenFilter(typeof match === "function" ? match : childMatcher(match))); } -exports.drag = drag; -exports.dragDisable = nodrag; -exports.dragEnable = yesdrag; +function selection_filter(match) { + if (typeof match !== "function") match = matcher(match); -Object.defineProperty(exports, '__esModule', { value: true }); + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { + if ((node = group[i]) && match.call(node, node.__data__, i, group)) { + subgroup.push(node); + } + } + } -})); -}); + return new Selection(subgroups, this._parents); +} -var d3Color = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-color/ v2.0.0 Copyright 2020 Mike Bostock -(function (global, factory) { -factory(exports) ; -}(commonjsGlobal, function (exports) { -function define(constructor, factory, prototype) { - constructor.prototype = factory.prototype = prototype; - prototype.constructor = constructor; +function sparse(update) { + return new Array(update.length); } -function extend(parent, definition) { - var prototype = Object.create(parent.prototype); - for (var key in definition) prototype[key] = definition[key]; - return prototype; +function selection_enter() { + return new Selection(this._enter || this._groups.map(sparse), this._parents); } -function Color() {} +function EnterNode(parent, datum) { + this.ownerDocument = parent.ownerDocument; + this.namespaceURI = parent.namespaceURI; + this._next = null; + this._parent = parent; + this.__data__ = datum; +} -var darker = 0.7; -var brighter = 1 / darker; +EnterNode.prototype = { + constructor: EnterNode, + appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, + insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, + querySelector: function(selector) { return this._parent.querySelector(selector); }, + querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } +}; -var reI = "\\s*([+-]?\\d+)\\s*", - reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*", - reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*", - reHex = /^#([0-9a-f]{3,8})$/, - reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"), - reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"), - reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"), - reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$"), - reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$"), - reHslaPercent = new RegExp("^hsla\\(" + [reN, reP, reP, reN] + "\\)$"); +function constant(x) { + return function() { + return x; + }; +} -var named = { - aliceblue: 0xf0f8ff, - antiquewhite: 0xfaebd7, - aqua: 0x00ffff, - aquamarine: 0x7fffd4, - azure: 0xf0ffff, - beige: 0xf5f5dc, - bisque: 0xffe4c4, - black: 0x000000, - blanchedalmond: 0xffebcd, - blue: 0x0000ff, - blueviolet: 0x8a2be2, - brown: 0xa52a2a, - burlywood: 0xdeb887, - cadetblue: 0x5f9ea0, - chartreuse: 0x7fff00, - chocolate: 0xd2691e, - coral: 0xff7f50, - cornflowerblue: 0x6495ed, - cornsilk: 0xfff8dc, - crimson: 0xdc143c, - cyan: 0x00ffff, - darkblue: 0x00008b, - darkcyan: 0x008b8b, - darkgoldenrod: 0xb8860b, - darkgray: 0xa9a9a9, - darkgreen: 0x006400, - darkgrey: 0xa9a9a9, - darkkhaki: 0xbdb76b, - darkmagenta: 0x8b008b, - darkolivegreen: 0x556b2f, - darkorange: 0xff8c00, - darkorchid: 0x9932cc, - darkred: 0x8b0000, - darksalmon: 0xe9967a, - darkseagreen: 0x8fbc8f, - darkslateblue: 0x483d8b, - darkslategray: 0x2f4f4f, - darkslategrey: 0x2f4f4f, - darkturquoise: 0x00ced1, - darkviolet: 0x9400d3, - deeppink: 0xff1493, - deepskyblue: 0x00bfff, - dimgray: 0x696969, - dimgrey: 0x696969, - dodgerblue: 0x1e90ff, - firebrick: 0xb22222, - floralwhite: 0xfffaf0, - forestgreen: 0x228b22, - fuchsia: 0xff00ff, - gainsboro: 0xdcdcdc, - ghostwhite: 0xf8f8ff, - gold: 0xffd700, - goldenrod: 0xdaa520, - gray: 0x808080, - green: 0x008000, - greenyellow: 0xadff2f, - grey: 0x808080, - honeydew: 0xf0fff0, - hotpink: 0xff69b4, - indianred: 0xcd5c5c, - indigo: 0x4b0082, - ivory: 0xfffff0, - khaki: 0xf0e68c, - lavender: 0xe6e6fa, - lavenderblush: 0xfff0f5, - lawngreen: 0x7cfc00, - lemonchiffon: 0xfffacd, - lightblue: 0xadd8e6, - lightcoral: 0xf08080, - lightcyan: 0xe0ffff, - lightgoldenrodyellow: 0xfafad2, - lightgray: 0xd3d3d3, - lightgreen: 0x90ee90, - lightgrey: 0xd3d3d3, - lightpink: 0xffb6c1, - lightsalmon: 0xffa07a, - lightseagreen: 0x20b2aa, - lightskyblue: 0x87cefa, - lightslategray: 0x778899, - lightslategrey: 0x778899, - lightsteelblue: 0xb0c4de, - lightyellow: 0xffffe0, - lime: 0x00ff00, - limegreen: 0x32cd32, - linen: 0xfaf0e6, - magenta: 0xff00ff, - maroon: 0x800000, - mediumaquamarine: 0x66cdaa, - mediumblue: 0x0000cd, - mediumorchid: 0xba55d3, - mediumpurple: 0x9370db, - mediumseagreen: 0x3cb371, - mediumslateblue: 0x7b68ee, - mediumspringgreen: 0x00fa9a, - mediumturquoise: 0x48d1cc, - mediumvioletred: 0xc71585, - midnightblue: 0x191970, - mintcream: 0xf5fffa, - mistyrose: 0xffe4e1, - moccasin: 0xffe4b5, - navajowhite: 0xffdead, - navy: 0x000080, - oldlace: 0xfdf5e6, - olive: 0x808000, - olivedrab: 0x6b8e23, - orange: 0xffa500, - orangered: 0xff4500, - orchid: 0xda70d6, - palegoldenrod: 0xeee8aa, - palegreen: 0x98fb98, - paleturquoise: 0xafeeee, - palevioletred: 0xdb7093, - papayawhip: 0xffefd5, - peachpuff: 0xffdab9, - peru: 0xcd853f, - pink: 0xffc0cb, - plum: 0xdda0dd, - powderblue: 0xb0e0e6, - purple: 0x800080, - rebeccapurple: 0x663399, - red: 0xff0000, - rosybrown: 0xbc8f8f, - royalblue: 0x4169e1, - saddlebrown: 0x8b4513, - salmon: 0xfa8072, - sandybrown: 0xf4a460, - seagreen: 0x2e8b57, - seashell: 0xfff5ee, - sienna: 0xa0522d, - silver: 0xc0c0c0, - skyblue: 0x87ceeb, - slateblue: 0x6a5acd, - slategray: 0x708090, - slategrey: 0x708090, - snow: 0xfffafa, - springgreen: 0x00ff7f, - steelblue: 0x4682b4, - tan: 0xd2b48c, - teal: 0x008080, - thistle: 0xd8bfd8, - tomato: 0xff6347, - turquoise: 0x40e0d0, - violet: 0xee82ee, - wheat: 0xf5deb3, - white: 0xffffff, - whitesmoke: 0xf5f5f5, - yellow: 0xffff00, - yellowgreen: 0x9acd32 -}; +function bindIndex(parent, group, enter, update, exit, data) { + var i = 0, + node, + groupLength = group.length, + dataLength = data.length; -define(Color, color, { - copy: function(channels) { - return Object.assign(new this.constructor, this, channels); - }, - displayable: function() { - return this.rgb().displayable(); - }, - hex: color_formatHex, // Deprecated! Use color.formatHex. - formatHex: color_formatHex, - formatHsl: color_formatHsl, - formatRgb: color_formatRgb, - toString: color_formatRgb -}); + // Put any non-null nodes that fit into update. + // Put any null nodes into enter. + // Put any remaining data into enter. + for (; i < dataLength; ++i) { + if (node = group[i]) { + node.__data__ = data[i]; + update[i] = node; + } else { + enter[i] = new EnterNode(parent, data[i]); + } + } -function color_formatHex() { - return this.rgb().formatHex(); + // Put any non-null nodes that don’t fit into exit. + for (; i < groupLength; ++i) { + if (node = group[i]) { + exit[i] = node; + } + } } -function color_formatHsl() { - return hslConvert(this).formatHsl(); +function bindKey(parent, group, enter, update, exit, data, key) { + var i, + node, + nodeByKeyValue = new Map, + groupLength = group.length, + dataLength = data.length, + keyValues = new Array(groupLength), + keyValue; + + // Compute the key for each node. + // If multiple nodes have the same key, the duplicates are added to exit. + for (i = 0; i < groupLength; ++i) { + if (node = group[i]) { + keyValues[i] = keyValue = key.call(node, node.__data__, i, group) + ""; + if (nodeByKeyValue.has(keyValue)) { + exit[i] = node; + } else { + nodeByKeyValue.set(keyValue, node); + } + } + } + + // Compute the key for each datum. + // If there a node associated with this key, join and add it to update. + // If there is not (or the key is a duplicate), add it to enter. + for (i = 0; i < dataLength; ++i) { + keyValue = key.call(parent, data[i], i, data) + ""; + if (node = nodeByKeyValue.get(keyValue)) { + update[i] = node; + node.__data__ = data[i]; + nodeByKeyValue.delete(keyValue); + } else { + enter[i] = new EnterNode(parent, data[i]); + } + } + + // Add any remaining nodes that were not bound to data to exit. + for (i = 0; i < groupLength; ++i) { + if ((node = group[i]) && (nodeByKeyValue.get(keyValues[i]) === node)) { + exit[i] = node; + } + } } -function color_formatRgb() { - return this.rgb().formatRgb(); +function datum(node) { + return node.__data__; } -function color(format) { - var m, l; - format = (format + "").trim().toLowerCase(); - return (m = reHex.exec(format)) ? (l = m[1].length, m = parseInt(m[1], 16), l === 6 ? rgbn(m) // #ff0000 - : l === 3 ? new Rgb((m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1) // #f00 - : l === 8 ? rgba(m >> 24 & 0xff, m >> 16 & 0xff, m >> 8 & 0xff, (m & 0xff) / 0xff) // #ff000000 - : l === 4 ? rgba((m >> 12 & 0xf) | (m >> 8 & 0xf0), (m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), (((m & 0xf) << 4) | (m & 0xf)) / 0xff) // #f000 - : null) // invalid hex - : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0) - : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%) - : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1) - : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1) - : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%) - : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1) - : named.hasOwnProperty(format) ? rgbn(named[format]) // eslint-disable-line no-prototype-builtins - : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0) - : null; -} - -function rgbn(n) { - return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1); -} +function selection_data(value, key) { + if (!arguments.length) return Array.from(this, datum); -function rgba(r, g, b, a) { - if (a <= 0) r = g = b = NaN; - return new Rgb(r, g, b, a); -} + var bind = key ? bindKey : bindIndex, + parents = this._parents, + groups = this._groups; -function rgbConvert(o) { - if (!(o instanceof Color)) o = color(o); - if (!o) return new Rgb; - o = o.rgb(); - return new Rgb(o.r, o.g, o.b, o.opacity); -} + if (typeof value !== "function") value = constant(value); -function rgb(r, g, b, opacity) { - return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity); -} + for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) { + var parent = parents[j], + group = groups[j], + groupLength = group.length, + data = array(value.call(parent, parent && parent.__data__, j, parents)), + dataLength = data.length, + enterGroup = enter[j] = new Array(dataLength), + updateGroup = update[j] = new Array(dataLength), + exitGroup = exit[j] = new Array(groupLength); -function Rgb(r, g, b, opacity) { - this.r = +r; - this.g = +g; - this.b = +b; - this.opacity = +opacity; -} + bind(parent, group, enterGroup, updateGroup, exitGroup, data, key); -define(Rgb, rgb, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); - }, - rgb: function() { - return this; - }, - displayable: function() { - return (-0.5 <= this.r && this.r < 255.5) - && (-0.5 <= this.g && this.g < 255.5) - && (-0.5 <= this.b && this.b < 255.5) - && (0 <= this.opacity && this.opacity <= 1); - }, - hex: rgb_formatHex, // Deprecated! Use color.formatHex. - formatHex: rgb_formatHex, - formatRgb: rgb_formatRgb, - toString: rgb_formatRgb -})); + // Now connect the enter nodes to their following update node, such that + // appendChild can insert the materialized enter node before this node, + // rather than at the end of the parent node. + for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) { + if (previous = enterGroup[i0]) { + if (i0 >= i1) i1 = i0 + 1; + while (!(next = updateGroup[i1]) && ++i1 < dataLength); + previous._next = next || null; + } + } + } -function rgb_formatHex() { - return "#" + hex(this.r) + hex(this.g) + hex(this.b); + update = new Selection(update, parents); + update._enter = enter; + update._exit = exit; + return update; } -function rgb_formatRgb() { - var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); - return (a === 1 ? "rgb(" : "rgba(") - + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.b) || 0)) - + (a === 1 ? ")" : ", " + a + ")"); +function selection_exit() { + return new Selection(this._exit || this._groups.map(sparse), this._parents); } -function hex(value) { - value = Math.max(0, Math.min(255, Math.round(value) || 0)); - return (value < 16 ? "0" : "") + value.toString(16); +function selection_join(onenter, onupdate, onexit) { + var enter = this.enter(), update = this, exit = this.exit(); + enter = typeof onenter === "function" ? onenter(enter) : enter.append(onenter + ""); + if (onupdate != null) update = onupdate(update); + if (onexit == null) exit.remove(); else onexit(exit); + return enter && update ? enter.merge(update).order() : update; } -function hsla(h, s, l, a) { - if (a <= 0) h = s = l = NaN; - else if (l <= 0 || l >= 1) h = s = NaN; - else if (s <= 0) h = NaN; - return new Hsl(h, s, l, a); -} +function selection_merge(selection) { + if (!(selection instanceof Selection)) throw new Error("invalid merge"); -function hslConvert(o) { - if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity); - if (!(o instanceof Color)) o = color(o); - if (!o) return new Hsl; - if (o instanceof Hsl) return o; - o = o.rgb(); - var r = o.r / 255, - g = o.g / 255, - b = o.b / 255, - min = Math.min(r, g, b), - max = Math.max(r, g, b), - h = NaN, - s = max - min, - l = (max + min) / 2; - if (s) { - if (r === max) h = (g - b) / s + (g < b) * 6; - else if (g === max) h = (b - r) / s + 2; - else h = (r - g) / s + 4; - s /= l < 0.5 ? max + min : 2 - max - min; - h *= 60; - } else { - s = l > 0 && l < 1 ? 0 : h; + for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group0[i] || group1[i]) { + merge[i] = node; + } + } } - return new Hsl(h, s, l, o.opacity); -} -function hsl(h, s, l, opacity) { - return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity); -} + for (; j < m0; ++j) { + merges[j] = groups0[j]; + } -function Hsl(h, s, l, opacity) { - this.h = +h; - this.s = +s; - this.l = +l; - this.opacity = +opacity; + return new Selection(merges, this._parents); } -define(Hsl, hsl, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Hsl(this.h, this.s, this.l * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Hsl(this.h, this.s, this.l * k, this.opacity); - }, - rgb: function() { - var h = this.h % 360 + (this.h < 0) * 360, - s = isNaN(h) || isNaN(this.s) ? 0 : this.s, - l = this.l, - m2 = l + (l < 0.5 ? l : 1 - l) * s, - m1 = 2 * l - m2; - return new Rgb( - hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2), - hsl2rgb(h, m1, m2), - hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2), - this.opacity - ); - }, - displayable: function() { - return (0 <= this.s && this.s <= 1 || isNaN(this.s)) - && (0 <= this.l && this.l <= 1) - && (0 <= this.opacity && this.opacity <= 1); - }, - formatHsl: function() { - var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); - return (a === 1 ? "hsl(" : "hsla(") - + (this.h || 0) + ", " - + (this.s || 0) * 100 + "%, " - + (this.l || 0) * 100 + "%" - + (a === 1 ? ")" : ", " + a + ")"); +function selection_order() { + + for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { + for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { + if (node = group[i]) { + if (next && node.compareDocumentPosition(next) ^ 4) next.parentNode.insertBefore(node, next); + next = node; + } + } } -})); -/* From FvD 13.37, CSS Color Module Level 3 */ -function hsl2rgb(h, m1, m2) { - return (h < 60 ? m1 + (m2 - m1) * h / 60 - : h < 180 ? m2 - : h < 240 ? m1 + (m2 - m1) * (240 - h) / 60 - : m1) * 255; + return this; } -const radians = Math.PI / 180; -const degrees = 180 / Math.PI; +function selection_sort(compare) { + if (!compare) compare = ascending; -// https://observablehq.com/@mbostock/lab-and-rgb -const K = 18, - Xn = 0.96422, - Yn = 1, - Zn = 0.82521, - t0 = 4 / 29, - t1 = 6 / 29, - t2 = 3 * t1 * t1, - t3 = t1 * t1 * t1; + function compareNode(a, b) { + return a && b ? compare(a.__data__, b.__data__) : !a - !b; + } -function labConvert(o) { - if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); - if (o instanceof Hcl) return hcl2lab(o); - if (!(o instanceof Rgb)) o = rgbConvert(o); - var r = rgb2lrgb(o.r), - g = rgb2lrgb(o.g), - b = rgb2lrgb(o.b), - y = xyz2lab((0.2225045 * r + 0.7168786 * g + 0.0606169 * b) / Yn), x, z; - if (r === g && g === b) x = z = y; else { - x = xyz2lab((0.4360747 * r + 0.3850649 * g + 0.1430804 * b) / Xn); - z = xyz2lab((0.0139322 * r + 0.0971045 * g + 0.7141733 * b) / Zn); + for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group[i]) { + sortgroup[i] = node; + } + } + sortgroup.sort(compareNode); } - return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity); -} -function gray(l, opacity) { - return new Lab(l, 0, 0, opacity == null ? 1 : opacity); + return new Selection(sortgroups, this._parents).order(); } -function lab(l, a, b, opacity) { - return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); +function ascending(a, b) { + return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; } -function Lab(l, a, b, opacity) { - this.l = +l; - this.a = +a; - this.b = +b; - this.opacity = +opacity; +function selection_call() { + var callback = arguments[0]; + arguments[0] = this; + callback.apply(null, arguments); + return this; } -define(Lab, lab, extend(Color, { - brighter: function(k) { - return new Lab(this.l + K * (k == null ? 1 : k), this.a, this.b, this.opacity); - }, - darker: function(k) { - return new Lab(this.l - K * (k == null ? 1 : k), this.a, this.b, this.opacity); - }, - rgb: function() { - var y = (this.l + 16) / 116, - x = isNaN(this.a) ? y : y + this.a / 500, - z = isNaN(this.b) ? y : y - this.b / 200; - x = Xn * lab2xyz(x); - y = Yn * lab2xyz(y); - z = Zn * lab2xyz(z); - return new Rgb( - lrgb2rgb( 3.1338561 * x - 1.6168667 * y - 0.4906146 * z), - lrgb2rgb(-0.9787684 * x + 1.9161415 * y + 0.0334540 * z), - lrgb2rgb( 0.0719453 * x - 0.2289914 * y + 1.4052427 * z), - this.opacity - ); +function selection_nodes() { + return Array.from(this); +} + +function selection_node() { + + for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { + for (var group = groups[j], i = 0, n = group.length; i < n; ++i) { + var node = group[i]; + if (node) return node; + } } -})); -function xyz2lab(t) { - return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0; + return null; } -function lab2xyz(t) { - return t > t1 ? t * t * t : t2 * (t - t0); +function selection_size() { + let size = 0; + for (const node of this) ++size; // eslint-disable-line no-unused-vars + return size; } -function lrgb2rgb(x) { - return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055); +function selection_empty() { + return !this.node(); } -function rgb2lrgb(x) { - return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4); -} +function selection_each(callback) { -function hclConvert(o) { - if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); - if (!(o instanceof Lab)) o = labConvert(o); - if (o.a === 0 && o.b === 0) return new Hcl(NaN, 0 < o.l && o.l < 100 ? 0 : NaN, o.l, o.opacity); - var h = Math.atan2(o.b, o.a) * degrees; - return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); -} + for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { + for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { + if (node = group[i]) callback.call(node, node.__data__, i, group); + } + } -function lch(l, c, h, opacity) { - return arguments.length === 1 ? hclConvert(l) : new Hcl(h, c, l, opacity == null ? 1 : opacity); + return this; } -function hcl(h, c, l, opacity) { - return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); +function attrRemove(name) { + return function() { + this.removeAttribute(name); + }; } -function Hcl(h, c, l, opacity) { - this.h = +h; - this.c = +c; - this.l = +l; - this.opacity = +opacity; +function attrRemoveNS(fullname) { + return function() { + this.removeAttributeNS(fullname.space, fullname.local); + }; } -function hcl2lab(o) { - if (isNaN(o.h)) return new Lab(o.l, 0, 0, o.opacity); - var h = o.h * radians; - return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); +function attrConstant(name, value) { + return function() { + this.setAttribute(name, value); + }; } -define(Hcl, hcl, extend(Color, { - brighter: function(k) { - return new Hcl(this.h, this.c, this.l + K * (k == null ? 1 : k), this.opacity); - }, - darker: function(k) { - return new Hcl(this.h, this.c, this.l - K * (k == null ? 1 : k), this.opacity); - }, - rgb: function() { - return hcl2lab(this).rgb(); - } -})); - -var A = -0.14861, - B = +1.78277, - C = -0.29227, - D = -0.90649, - E = +1.97294, - ED = E * D, - EB = E * B, - BC_DA = B * C - D * A; - -function cubehelixConvert(o) { - if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); - if (!(o instanceof Rgb)) o = rgbConvert(o); - var r = o.r / 255, - g = o.g / 255, - b = o.b / 255, - l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB), - bl = b - l, - k = (E * (g - l) - C * bl) / D, - s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 - h = s ? Math.atan2(k, bl) * degrees - 120 : NaN; - return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); +function attrConstantNS(fullname, value) { + return function() { + this.setAttributeNS(fullname.space, fullname.local, value); + }; } -function cubehelix(h, s, l, opacity) { - return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity); +function attrFunction(name, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.removeAttribute(name); + else this.setAttribute(name, v); + }; } -function Cubehelix(h, s, l, opacity) { - this.h = +h; - this.s = +s; - this.l = +l; - this.opacity = +opacity; +function attrFunctionNS(fullname, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.removeAttributeNS(fullname.space, fullname.local); + else this.setAttributeNS(fullname.space, fullname.local, v); + }; } -define(Cubehelix, cubehelix, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Cubehelix(this.h, this.s, this.l * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Cubehelix(this.h, this.s, this.l * k, this.opacity); - }, - rgb: function() { - var h = isNaN(this.h) ? 0 : (this.h + 120) * radians, - l = +this.l, - a = isNaN(this.s) ? 0 : this.s * l * (1 - l), - cosh = Math.cos(h), - sinh = Math.sin(h); - return new Rgb( - 255 * (l + a * (A * cosh + B * sinh)), - 255 * (l + a * (C * cosh + D * sinh)), - 255 * (l + a * (E * cosh)), - this.opacity - ); - } -})); - -exports.color = color; -exports.cubehelix = cubehelix; -exports.gray = gray; -exports.hcl = hcl; -exports.hsl = hsl; -exports.lab = lab; -exports.lch = lch; -exports.rgb = rgb; - -Object.defineProperty(exports, '__esModule', { value: true }); +function selection_attr(name, value) { + var fullname = namespace(name); -})); -}); + if (arguments.length < 2) { + var node = this.node(); + return fullname.local + ? node.getAttributeNS(fullname.space, fullname.local) + : node.getAttribute(fullname); + } -var d3Interpolate = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-interpolate/ v2.0.1 Copyright 2020 Mike Bostock -(function (global, factory) { -factory(exports, d3Color) ; -}(commonjsGlobal, function (exports, d3Color) { -function basis(t1, v0, v1, v2, v3) { - var t2 = t1 * t1, t3 = t2 * t1; - return ((1 - 3 * t1 + 3 * t2 - t3) * v0 - + (4 - 6 * t2 + 3 * t3) * v1 - + (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2 - + t3 * v3) / 6; + return this.each((value == null + ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" + ? (fullname.local ? attrFunctionNS : attrFunction) + : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); } -function basis$1(values) { - var n = values.length - 1; - return function(t) { - var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), - v1 = values[i], - v2 = values[i + 1], - v0 = i > 0 ? values[i - 1] : 2 * v1 - v2, - v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; - return basis((t - i / n) * n, v0, v1, v2, v3); - }; +function defaultView(node) { + return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node + || (node.document && node) // node is a Window + || node.defaultView; // node is a Document } -function basisClosed(values) { - var n = values.length; - return function(t) { - var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), - v0 = values[(i + n - 1) % n], - v1 = values[i % n], - v2 = values[(i + 1) % n], - v3 = values[(i + 2) % n]; - return basis((t - i / n) * n, v0, v1, v2, v3); +function styleRemove(name) { + return function() { + this.style.removeProperty(name); }; } -var constant = x => () => x; - -function linear(a, d) { - return function(t) { - return a + t * d; +function styleConstant(name, value, priority) { + return function() { + this.style.setProperty(name, value, priority); }; } -function exponential(a, b, y) { - return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) { - return Math.pow(a + t * b, y); +function styleFunction(name, value, priority) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.style.removeProperty(name); + else this.style.setProperty(name, v, priority); }; } -function hue(a, b) { - var d = b - a; - return d ? linear(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant(isNaN(a) ? b : a); -} - -function gamma(y) { - return (y = +y) === 1 ? nogamma : function(a, b) { - return b - a ? exponential(a, b, y) : constant(isNaN(a) ? b : a); - }; +function selection_style(name, value, priority) { + return arguments.length > 1 + ? this.each((value == null + ? styleRemove : typeof value === "function" + ? styleFunction + : styleConstant)(name, value, priority == null ? "" : priority)) + : styleValue(this.node(), name); } -function nogamma(a, b) { - var d = b - a; - return d ? linear(a, d) : constant(isNaN(a) ? b : a); +function styleValue(node, name) { + return node.style.getPropertyValue(name) + || defaultView(node).getComputedStyle(node, null).getPropertyValue(name); } -var rgb = (function rgbGamma(y) { - var color = gamma(y); - - function rgb(start, end) { - var r = color((start = d3Color.rgb(start)).r, (end = d3Color.rgb(end)).r), - g = color(start.g, end.g), - b = color(start.b, end.b), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.r = r(t); - start.g = g(t); - start.b = b(t); - start.opacity = opacity(t); - return start + ""; - }; - } - - rgb.gamma = rgbGamma; - - return rgb; -})(1); - -function rgbSpline(spline) { - return function(colors) { - var n = colors.length, - r = new Array(n), - g = new Array(n), - b = new Array(n), - i, color; - for (i = 0; i < n; ++i) { - color = d3Color.rgb(colors[i]); - r[i] = color.r || 0; - g[i] = color.g || 0; - b[i] = color.b || 0; - } - r = spline(r); - g = spline(g); - b = spline(b); - color.opacity = 1; - return function(t) { - color.r = r(t); - color.g = g(t); - color.b = b(t); - return color + ""; - }; +function propertyRemove(name) { + return function() { + delete this[name]; }; } -var rgbBasis = rgbSpline(basis$1); -var rgbBasisClosed = rgbSpline(basisClosed); - -function numberArray(a, b) { - if (!b) b = []; - var n = a ? Math.min(b.length, a.length) : 0, - c = b.slice(), - i; - return function(t) { - for (i = 0; i < n; ++i) c[i] = a[i] * (1 - t) + b[i] * t; - return c; +function propertyConstant(name, value) { + return function() { + this[name] = value; }; } -function isNumberArray(x) { - return ArrayBuffer.isView(x) && !(x instanceof DataView); +function propertyFunction(name, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) delete this[name]; + else this[name] = v; + }; } -function array(a, b) { - return (isNumberArray(b) ? numberArray : genericArray)(a, b); +function selection_property(name, value) { + return arguments.length > 1 + ? this.each((value == null + ? propertyRemove : typeof value === "function" + ? propertyFunction + : propertyConstant)(name, value)) + : this.node()[name]; } -function genericArray(a, b) { - var nb = b ? b.length : 0, - na = a ? Math.min(nb, a.length) : 0, - x = new Array(na), - c = new Array(nb), - i; - - for (i = 0; i < na; ++i) x[i] = value(a[i], b[i]); - for (; i < nb; ++i) c[i] = b[i]; - - return function(t) { - for (i = 0; i < na; ++i) c[i] = x[i](t); - return c; - }; +function classArray(string) { + return string.trim().split(/^|\s+/); } -function date(a, b) { - var d = new Date; - return a = +a, b = +b, function(t) { - return d.setTime(a * (1 - t) + b * t), d; - }; +function classList(node) { + return node.classList || new ClassList(node); } -function number(a, b) { - return a = +a, b = +b, function(t) { - return a * (1 - t) + b * t; - }; +function ClassList(node) { + this._node = node; + this._names = classArray(node.getAttribute("class") || ""); } -function object(a, b) { - var i = {}, - c = {}, - k; - - if (a === null || typeof a !== "object") a = {}; - if (b === null || typeof b !== "object") b = {}; - - for (k in b) { - if (k in a) { - i[k] = value(a[k], b[k]); - } else { - c[k] = b[k]; +ClassList.prototype = { + add: function(name) { + var i = this._names.indexOf(name); + if (i < 0) { + this._names.push(name); + this._node.setAttribute("class", this._names.join(" ")); + } + }, + remove: function(name) { + var i = this._names.indexOf(name); + if (i >= 0) { + this._names.splice(i, 1); + this._node.setAttribute("class", this._names.join(" ")); } + }, + contains: function(name) { + return this._names.indexOf(name) >= 0; } +}; - return function(t) { - for (k in i) c[k] = i[k](t); - return c; - }; +function classedAdd(node, names) { + var list = classList(node), i = -1, n = names.length; + while (++i < n) list.add(names[i]); } -var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g, - reB = new RegExp(reA.source, "g"); +function classedRemove(node, names) { + var list = classList(node), i = -1, n = names.length; + while (++i < n) list.remove(names[i]); +} -function zero(b) { +function classedTrue(names) { return function() { - return b; + classedAdd(this, names); }; } -function one(b) { - return function(t) { - return b(t) + ""; +function classedFalse(names) { + return function() { + classedRemove(this, names); }; } -function string(a, b) { - var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b - am, // current match in a - bm, // current match in b - bs, // string preceding current number in b, if any - i = -1, // index in s - s = [], // string constants and placeholders - q = []; // number interpolators - - // Coerce inputs to strings. - a = a + "", b = b + ""; +function classedFunction(names, value) { + return function() { + (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names); + }; +} - // Interpolate pairs of numbers in a & b. - while ((am = reA.exec(a)) - && (bm = reB.exec(b))) { - if ((bs = bm.index) > bi) { // a string precedes the next number in b - bs = b.slice(bi, bs); - if (s[i]) s[i] += bs; // coalesce with previous string - else s[++i] = bs; - } - if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match - if (s[i]) s[i] += bm; // coalesce with previous string - else s[++i] = bm; - } else { // interpolate non-matching numbers - s[++i] = null; - q.push({i: i, x: number(am, bm)}); - } - bi = reB.lastIndex; - } +function selection_classed(name, value) { + var names = classArray(name + ""); - // Add remains of b. - if (bi < b.length) { - bs = b.slice(bi); - if (s[i]) s[i] += bs; // coalesce with previous string - else s[++i] = bs; + if (arguments.length < 2) { + var list = classList(this.node()), i = -1, n = names.length; + while (++i < n) if (!list.contains(names[i])) return false; + return true; } - // Special optimization for only a single match. - // Otherwise, interpolate each of the numbers and rejoin the string. - return s.length < 2 ? (q[0] - ? one(q[0].x) - : zero(b)) - : (b = q.length, function(t) { - for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }); + return this.each((typeof value === "function" + ? classedFunction : value + ? classedTrue + : classedFalse)(names, value)); } -function value(a, b) { - var t = typeof b, c; - return b == null || t === "boolean" ? constant(b) - : (t === "number" ? number - : t === "string" ? ((c = d3Color.color(b)) ? (b = c, rgb) : string) - : b instanceof d3Color.color ? rgb - : b instanceof Date ? date - : isNumberArray(b) ? numberArray - : Array.isArray(b) ? genericArray - : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object - : number)(a, b); +function textRemove() { + this.textContent = ""; } -function discrete(range) { - var n = range.length; - return function(t) { - return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; +function textConstant(value) { + return function() { + this.textContent = value; }; } -function hue$1(a, b) { - var i = hue(+a, +b); - return function(t) { - var x = i(t); - return x - 360 * Math.floor(x / 360); +function textFunction(value) { + return function() { + var v = value.apply(this, arguments); + this.textContent = v == null ? "" : v; }; } -function round(a, b) { - return a = +a, b = +b, function(t) { - return Math.round(a * (1 - t) + b * t); - }; +function selection_text(value) { + return arguments.length + ? this.each(value == null + ? textRemove : (typeof value === "function" + ? textFunction + : textConstant)(value)) + : this.node().textContent; } -var degrees = 180 / Math.PI; - -var identity = { - translateX: 0, - translateY: 0, - rotate: 0, - skewX: 0, - scaleX: 1, - scaleY: 1 -}; +function htmlRemove() { + this.innerHTML = ""; +} -function decompose(a, b, c, d, e, f) { - var scaleX, scaleY, skewX; - if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX; - if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX; - if (scaleY = Math.sqrt(c * c + d * d)) c /= scaleY, d /= scaleY, skewX /= scaleY; - if (a * d < b * c) a = -a, b = -b, skewX = -skewX, scaleX = -scaleX; - return { - translateX: e, - translateY: f, - rotate: Math.atan2(b, a) * degrees, - skewX: Math.atan(skewX) * degrees, - scaleX: scaleX, - scaleY: scaleY +function htmlConstant(value) { + return function() { + this.innerHTML = value; }; } -var svgNode; - -/* eslint-disable no-undef */ -function parseCss(value) { - const m = new (typeof DOMMatrix === "function" ? DOMMatrix : WebKitCSSMatrix)(value + ""); - return m.isIdentity ? identity : decompose(m.a, m.b, m.c, m.d, m.e, m.f); +function htmlFunction(value) { + return function() { + var v = value.apply(this, arguments); + this.innerHTML = v == null ? "" : v; + }; } -function parseSvg(value) { - if (value == null) return identity; - if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); - svgNode.setAttribute("transform", value); - if (!(value = svgNode.transform.baseVal.consolidate())) return identity; - value = value.matrix; - return decompose(value.a, value.b, value.c, value.d, value.e, value.f); +function selection_html(value) { + return arguments.length + ? this.each(value == null + ? htmlRemove : (typeof value === "function" + ? htmlFunction + : htmlConstant)(value)) + : this.node().innerHTML; } -function interpolateTransform(parse, pxComma, pxParen, degParen) { +function raise() { + if (this.nextSibling) this.parentNode.appendChild(this); +} - function pop(s) { - return s.length ? s.pop() + " " : ""; - } +function selection_raise() { + return this.each(raise); +} - function translate(xa, ya, xb, yb, s, q) { - if (xa !== xb || ya !== yb) { - var i = s.push("translate(", null, pxComma, null, pxParen); - q.push({i: i - 4, x: number(xa, xb)}, {i: i - 2, x: number(ya, yb)}); - } else if (xb || yb) { - s.push("translate(" + xb + pxComma + yb + pxParen); - } - } +function lower() { + if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); +} - function rotate(a, b, s, q) { - if (a !== b) { - if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path - q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: number(a, b)}); - } else if (b) { - s.push(pop(s) + "rotate(" + b + degParen); - } - } +function selection_lower() { + return this.each(lower); +} - function skewX(a, b, s, q) { - if (a !== b) { - q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: number(a, b)}); - } else if (b) { - s.push(pop(s) + "skewX(" + b + degParen); - } - } +function selection_append(name) { + var create = typeof name === "function" ? name : creator(name); + return this.select(function() { + return this.appendChild(create.apply(this, arguments)); + }); +} - function scale(xa, ya, xb, yb, s, q) { - if (xa !== xb || ya !== yb) { - var i = s.push(pop(s) + "scale(", null, ",", null, ")"); - q.push({i: i - 4, x: number(xa, xb)}, {i: i - 2, x: number(ya, yb)}); - } else if (xb !== 1 || yb !== 1) { - s.push(pop(s) + "scale(" + xb + "," + yb + ")"); - } - } +function constantNull() { + return null; +} - return function(a, b) { - var s = [], // string constants and placeholders - q = []; // number interpolators - a = parse(a), b = parse(b); - translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q); - rotate(a.rotate, b.rotate, s, q); - skewX(a.skewX, b.skewX, s, q); - scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q); - a = b = null; // gc - return function(t) { - var i = -1, n = q.length, o; - while (++i < n) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }; - }; +function selection_insert(name, before) { + var create = typeof name === "function" ? name : creator(name), + select = before == null ? constantNull : typeof before === "function" ? before : selector(before); + return this.select(function() { + return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); + }); } -var interpolateTransformCss = interpolateTransform(parseCss, "px, ", "px)", "deg)"); -var interpolateTransformSvg = interpolateTransform(parseSvg, ", ", ")", ")"); +function remove() { + var parent = this.parentNode; + if (parent) parent.removeChild(this); +} -var epsilon2 = 1e-12; +function selection_remove() { + return this.each(remove); +} -function cosh(x) { - return ((x = Math.exp(x)) + 1 / x) / 2; +function selection_cloneShallow() { + var clone = this.cloneNode(false), parent = this.parentNode; + return parent ? parent.insertBefore(clone, this.nextSibling) : clone; } -function sinh(x) { - return ((x = Math.exp(x)) - 1 / x) / 2; +function selection_cloneDeep() { + var clone = this.cloneNode(true), parent = this.parentNode; + return parent ? parent.insertBefore(clone, this.nextSibling) : clone; } -function tanh(x) { - return ((x = Math.exp(2 * x)) - 1) / (x + 1); +function selection_clone(deep) { + return this.select(deep ? selection_cloneDeep : selection_cloneShallow); } -var zoom = (function zoomRho(rho, rho2, rho4) { +function selection_datum(value) { + return arguments.length + ? this.property("__data__", value) + : this.node().__data__; +} - // p0 = [ux0, uy0, w0] - // p1 = [ux1, uy1, w1] - function zoom(p0, p1) { - var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], - ux1 = p1[0], uy1 = p1[1], w1 = p1[2], - dx = ux1 - ux0, - dy = uy1 - uy0, - d2 = dx * dx + dy * dy, - i, - S; +function contextListener(listener) { + return function(event) { + listener.call(this, event, this.__data__); + }; +} - // Special case for u0 ≅ u1. - if (d2 < epsilon2) { - S = Math.log(w1 / w0) / rho; - i = function(t) { - return [ - ux0 + t * dx, - uy0 + t * dy, - w0 * Math.exp(rho * t * S) - ]; - }; - } +function parseTypenames(typenames) { + return typenames.trim().split(/^|\s+/).map(function(t) { + var name = "", i = t.indexOf("."); + if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); + return {type: t, name: name}; + }); +} - // General case. - else { - var d1 = Math.sqrt(d2), - b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), - b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), - r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), - r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); - S = (r1 - r0) / rho; - i = function(t) { - var s = t * S, - coshr0 = cosh(r0), - u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); - return [ - ux0 + u * dx, - uy0 + u * dy, - w0 * coshr0 / cosh(rho * s + r0) - ]; - }; +function onRemove(typename) { + return function() { + var on = this.__on; + if (!on) return; + for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { + if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { + this.removeEventListener(o.type, o.listener, o.options); + } else { + on[++i] = o; + } } - - i.duration = S * 1000 * rho / Math.SQRT2; - - return i; - } - - zoom.rho = function(_) { - var _1 = Math.max(1e-3, +_), _2 = _1 * _1, _4 = _2 * _2; - return zoomRho(_1, _2, _4); + if (++i) on.length = i; + else delete this.__on; }; +} - return zoom; -})(Math.SQRT2, 2, 4); - -function hsl(hue) { - return function(start, end) { - var h = hue((start = d3Color.hsl(start)).h, (end = d3Color.hsl(end)).h), - s = nogamma(start.s, end.s), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.s = s(t); - start.l = l(t); - start.opacity = opacity(t); - return start + ""; - }; - } -} - -var hsl$1 = hsl(hue); -var hslLong = hsl(nogamma); - -function lab(start, end) { - var l = nogamma((start = d3Color.lab(start)).l, (end = d3Color.lab(end)).l), - a = nogamma(start.a, end.a), - b = nogamma(start.b, end.b), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.l = l(t); - start.a = a(t); - start.b = b(t); - start.opacity = opacity(t); - return start + ""; +function onAdd(typename, value, options) { + return function() { + var on = this.__on, o, listener = contextListener(value); + if (on) for (var j = 0, m = on.length; j < m; ++j) { + if ((o = on[j]).type === typename.type && o.name === typename.name) { + this.removeEventListener(o.type, o.listener, o.options); + this.addEventListener(o.type, o.listener = listener, o.options = options); + o.value = value; + return; + } + } + this.addEventListener(typename.type, listener, options); + o = {type: typename.type, name: typename.name, value: value, listener: listener, options: options}; + if (!on) this.__on = [o]; + else on.push(o); }; } -function hcl(hue) { - return function(start, end) { - var h = hue((start = d3Color.hcl(start)).h, (end = d3Color.hcl(end)).h), - c = nogamma(start.c, end.c), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.c = c(t); - start.l = l(t); - start.opacity = opacity(t); - return start + ""; - }; - } -} - -var hcl$1 = hcl(hue); -var hclLong = hcl(nogamma); - -function cubehelix(hue) { - return (function cubehelixGamma(y) { - y = +y; +function selection_on(typename, value, options) { + var typenames = parseTypenames(typename + ""), i, n = typenames.length, t; - function cubehelix(start, end) { - var h = hue((start = d3Color.cubehelix(start)).h, (end = d3Color.cubehelix(end)).h), - s = nogamma(start.s, end.s), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.s = s(t); - start.l = l(Math.pow(t, y)); - start.opacity = opacity(t); - return start + ""; - }; + if (arguments.length < 2) { + var on = this.node().__on; + if (on) for (var j = 0, m = on.length, o; j < m; ++j) { + for (i = 0, o = on[j]; i < n; ++i) { + if ((t = typenames[i]).type === o.type && t.name === o.name) { + return o.value; + } + } } + return; + } - cubehelix.gamma = cubehelixGamma; - - return cubehelix; - })(1); + on = value ? onAdd : onRemove; + for (i = 0; i < n; ++i) this.each(on(typenames[i], value, options)); + return this; } -var cubehelix$1 = cubehelix(hue); -var cubehelixLong = cubehelix(nogamma); +function dispatchEvent(node, type, params) { + var window = defaultView(node), + event = window.CustomEvent; -function piecewise(interpolate, values) { - if (values === undefined) values = interpolate, interpolate = value; - var i = 0, n = values.length - 1, v = values[0], I = new Array(n < 0 ? 0 : n); - while (i < n) I[i] = interpolate(v, v = values[++i]); - return function(t) { - var i = Math.max(0, Math.min(n - 1, Math.floor(t *= n))); - return I[i](t - i); - }; -} + if (typeof event === "function") { + event = new event(type, params); + } else { + event = window.document.createEvent("Event"); + if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; + else event.initEvent(type, false, false); + } -function quantize(interpolator, n) { - var samples = new Array(n); - for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); - return samples; + node.dispatchEvent(event); } -exports.interpolate = value; -exports.interpolateArray = array; -exports.interpolateBasis = basis$1; -exports.interpolateBasisClosed = basisClosed; -exports.interpolateCubehelix = cubehelix$1; -exports.interpolateCubehelixLong = cubehelixLong; -exports.interpolateDate = date; -exports.interpolateDiscrete = discrete; -exports.interpolateHcl = hcl$1; -exports.interpolateHclLong = hclLong; -exports.interpolateHsl = hsl$1; -exports.interpolateHslLong = hslLong; -exports.interpolateHue = hue$1; -exports.interpolateLab = lab; -exports.interpolateNumber = number; -exports.interpolateNumberArray = numberArray; -exports.interpolateObject = object; -exports.interpolateRgb = rgb; -exports.interpolateRgbBasis = rgbBasis; -exports.interpolateRgbBasisClosed = rgbBasisClosed; -exports.interpolateRound = round; -exports.interpolateString = string; -exports.interpolateTransformCss = interpolateTransformCss; -exports.interpolateTransformSvg = interpolateTransformSvg; -exports.interpolateZoom = zoom; -exports.piecewise = piecewise; -exports.quantize = quantize; - -Object.defineProperty(exports, '__esModule', { value: true }); - -})); -}); - -var d3Timer = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-timer/ v2.0.0 Copyright 2020 Mike Bostock -(function (global, factory) { -factory(exports) ; -}(commonjsGlobal, function (exports) { -var frame = 0, // is an animation frame pending? - timeout = 0, // is a timeout pending? - interval = 0, // are any timers active? - pokeDelay = 1000, // how frequently we check for clock skew - taskHead, - taskTail, - clockLast = 0, - clockNow = 0, - clockSkew = 0, - clock = typeof performance === "object" && performance.now ? performance : Date, - setFrame = typeof window === "object" && window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : function(f) { setTimeout(f, 17); }; - -function now() { - return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); +function dispatchConstant(type, params) { + return function() { + return dispatchEvent(this, type, params); + }; } -function clearNow() { - clockNow = 0; +function dispatchFunction(type, params) { + return function() { + return dispatchEvent(this, type, params.apply(this, arguments)); + }; } -function Timer() { - this._call = - this._time = - this._next = null; +function selection_dispatch(type, params) { + return this.each((typeof params === "function" + ? dispatchFunction + : dispatchConstant)(type, params)); } -Timer.prototype = timer.prototype = { - constructor: Timer, - restart: function(callback, delay, time) { - if (typeof callback !== "function") throw new TypeError("callback is not a function"); - time = (time == null ? now() : +time) + (delay == null ? 0 : +delay); - if (!this._next && taskTail !== this) { - if (taskTail) taskTail._next = this; - else taskHead = this; - taskTail = this; - } - this._call = callback; - this._time = time; - sleep(); - }, - stop: function() { - if (this._call) { - this._call = null; - this._time = Infinity; - sleep(); +function* selection_iterator() { + for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { + for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { + if (node = group[i]) yield node; } } -}; - -function timer(callback, delay, time) { - var t = new Timer; - t.restart(callback, delay, time); - return t; } -function timerFlush() { - now(); // Get the current time, if not already set. - ++frame; // Pretend we’ve set an alarm, if we haven’t already. - var t = taskHead, e; - while (t) { - if ((e = clockNow - t._time) >= 0) t._call.call(null, e); - t = t._next; - } - --frame; +var root = [null]; + +function Selection(groups, parents) { + this._groups = groups; + this._parents = parents; } -function wake() { - clockNow = (clockLast = clock.now()) + clockSkew; - frame = timeout = 0; - try { - timerFlush(); - } finally { - frame = 0; - nap(); - clockNow = 0; - } +function selection() { + return new Selection([[document.documentElement]], root); } -function poke() { - var now = clock.now(), delay = now - clockLast; - if (delay > pokeDelay) clockSkew -= delay, clockLast = now; +function selection_selection() { + return this; } -function nap() { - var t0, t1 = taskHead, t2, time = Infinity; - while (t1) { - if (t1._call) { - if (time > t1._time) time = t1._time; - t0 = t1, t1 = t1._next; - } else { - t2 = t1._next, t1._next = null; - t1 = t0 ? t0._next = t2 : taskHead = t2; - } +Selection.prototype = selection.prototype = { + constructor: Selection, + select: selection_select, + selectAll: selection_selectAll, + selectChild: selection_selectChild, + selectChildren: selection_selectChildren, + filter: selection_filter, + data: selection_data, + enter: selection_enter, + exit: selection_exit, + join: selection_join, + merge: selection_merge, + selection: selection_selection, + order: selection_order, + sort: selection_sort, + call: selection_call, + nodes: selection_nodes, + node: selection_node, + size: selection_size, + empty: selection_empty, + each: selection_each, + attr: selection_attr, + style: selection_style, + property: selection_property, + classed: selection_classed, + text: selection_text, + html: selection_html, + raise: selection_raise, + lower: selection_lower, + append: selection_append, + insert: selection_insert, + remove: selection_remove, + clone: selection_clone, + datum: selection_datum, + on: selection_on, + dispatch: selection_dispatch, + [Symbol.iterator]: selection_iterator +}; + +function select(selector) { + return typeof selector === "string" + ? new Selection([[document.querySelector(selector)]], [document.documentElement]) + : new Selection([[selector]], root); +} + +function create(name) { + return select(creator(name).call(document.documentElement)); +} + +var nextId = 0; + +function local() { + return new Local; +} + +function Local() { + this._ = "@" + (++nextId).toString(36); +} + +Local.prototype = local.prototype = { + constructor: Local, + get: function(node) { + var id = this._; + while (!(id in node)) if (!(node = node.parentNode)) return; + return node[id]; + }, + set: function(node, value) { + return node[this._] = value; + }, + remove: function(node) { + return this._ in node && delete node[this._]; + }, + toString: function() { + return this._; } - taskTail = t0; - sleep(time); +}; + +function sourceEvent(event) { + let sourceEvent; + while (sourceEvent = event.sourceEvent) event = sourceEvent; + return event; } -function sleep(time) { - if (frame) return; // Soonest alarm already set, or will be. - if (timeout) timeout = clearTimeout(timeout); - var delay = time - clockNow; // Strictly less than if we recomputed clockNow. - if (delay > 24) { - if (time < Infinity) timeout = setTimeout(wake, time - clock.now() - clockSkew); - if (interval) interval = clearInterval(interval); - } else { - if (!interval) clockLast = clock.now(), interval = setInterval(poke, pokeDelay); - frame = 1, setFrame(wake); +function pointer(event, node) { + event = sourceEvent(event); + if (node === undefined) node = event.currentTarget; + if (node) { + var svg = node.ownerSVGElement || node; + if (svg.createSVGPoint) { + var point = svg.createSVGPoint(); + point.x = event.clientX, point.y = event.clientY; + point = point.matrixTransform(node.getScreenCTM().inverse()); + return [point.x, point.y]; + } + if (node.getBoundingClientRect) { + var rect = node.getBoundingClientRect(); + return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; + } } + return [event.pageX, event.pageY]; } -function timeout$1(callback, delay, time) { - var t = new Timer; - delay = delay == null ? 0 : +delay; - t.restart(elapsed => { - t.stop(); - callback(elapsed + delay); - }, delay, time); - return t; +function pointers(events, node) { + if (events.target) { // i.e., instanceof Event, not TouchList or iterable + events = sourceEvent(events); + if (node === undefined) node = events.currentTarget; + events = events.touches || [events]; + } + return Array.from(events, event => pointer(event, node)); } -function interval$1(callback, delay, time) { - var t = new Timer, total = delay; - if (delay == null) return t.restart(callback, delay, time), t; - t._restart = t.restart; - t.restart = function(callback, delay, time) { - delay = +delay, time = time == null ? now() : +time; - t._restart(function tick(elapsed) { - elapsed += total; - t._restart(tick, total += delay, time); - callback(elapsed); - }, delay, time); - }; - t.restart(callback, delay, time); - return t; +function selectAll(selector) { + return typeof selector === "string" + ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) + : new Selection([selector == null ? [] : array(selector)], root); } -exports.interval = interval$1; -exports.now = now; -exports.timeout = timeout$1; -exports.timer = timer; -exports.timerFlush = timerFlush; +exports.create = create; +exports.creator = creator; +exports.local = local; +exports.matcher = matcher; +exports.namespace = namespace; +exports.namespaces = namespaces; +exports.pointer = pointer; +exports.pointers = pointers; +exports.select = select; +exports.selectAll = selectAll; +exports.selection = selection; +exports.selector = selector; +exports.selectorAll = selectorAll; +exports.style = styleValue; +exports.window = defaultView; Object.defineProperty(exports, '__esModule', { value: true }); })); }); -var d3Ease = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-ease/ v2.0.0 Copyright 2020 Mike Bostock +var d3Drag = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-drag/ v2.0.0 Copyright 2020 Mike Bostock (function (global, factory) { -factory(exports) ; -}(commonjsGlobal, function (exports) { -const linear = t => +t; - -function quadIn(t) { - return t * t; +factory(exports, d3Dispatch, d3Selection) ; +}(commonjsGlobal, function (exports, d3Dispatch, d3Selection) { +function nopropagation(event) { + event.stopImmediatePropagation(); } -function quadOut(t) { - return t * (2 - t); +function noevent(event) { + event.preventDefault(); + event.stopImmediatePropagation(); } -function quadInOut(t) { - return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2; +function nodrag(view) { + var root = view.document.documentElement, + selection = d3Selection.select(view).on("dragstart.drag", noevent, true); + if ("onselectstart" in root) { + selection.on("selectstart.drag", noevent, true); + } else { + root.__noselect = root.style.MozUserSelect; + root.style.MozUserSelect = "none"; + } } -function cubicIn(t) { - return t * t * t; +function yesdrag(view, noclick) { + var root = view.document.documentElement, + selection = d3Selection.select(view).on("dragstart.drag", null); + if (noclick) { + selection.on("click.drag", noevent, true); + setTimeout(function() { selection.on("click.drag", null); }, 0); + } + if ("onselectstart" in root) { + selection.on("selectstart.drag", null); + } else { + root.style.MozUserSelect = root.__noselect; + delete root.__noselect; + } } -function cubicOut(t) { - return --t * t * t + 1; -} +var constant = x => () => x; -function cubicInOut(t) { - return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; +function DragEvent(type, { + sourceEvent, + subject, + target, + identifier, + active, + x, y, dx, dy, + dispatch +}) { + Object.defineProperties(this, { + type: {value: type, enumerable: true, configurable: true}, + sourceEvent: {value: sourceEvent, enumerable: true, configurable: true}, + subject: {value: subject, enumerable: true, configurable: true}, + target: {value: target, enumerable: true, configurable: true}, + identifier: {value: identifier, enumerable: true, configurable: true}, + active: {value: active, enumerable: true, configurable: true}, + x: {value: x, enumerable: true, configurable: true}, + y: {value: y, enumerable: true, configurable: true}, + dx: {value: dx, enumerable: true, configurable: true}, + dy: {value: dy, enumerable: true, configurable: true}, + _: {value: dispatch} + }); } -var exponent = 3; +DragEvent.prototype.on = function() { + var value = this._.on.apply(this._, arguments); + return value === this._ ? this : value; +}; -var polyIn = (function custom(e) { - e = +e; +// Ignore right-click, since that should open the context menu. +function defaultFilter(event) { + return !event.ctrlKey && !event.button; +} - function polyIn(t) { - return Math.pow(t, e); - } +function defaultContainer() { + return this.parentNode; +} - polyIn.exponent = custom; +function defaultSubject(event, d) { + return d == null ? {x: event.x, y: event.y} : d; +} - return polyIn; -})(exponent); +function defaultTouchable() { + return navigator.maxTouchPoints || ("ontouchstart" in this); +} -var polyOut = (function custom(e) { - e = +e; +function drag() { + var filter = defaultFilter, + container = defaultContainer, + subject = defaultSubject, + touchable = defaultTouchable, + gestures = {}, + listeners = d3Dispatch.dispatch("start", "drag", "end"), + active = 0, + mousedownx, + mousedowny, + mousemoving, + touchending, + clickDistance2 = 0; - function polyOut(t) { - return 1 - Math.pow(1 - t, e); + function drag(selection) { + selection + .on("mousedown.drag", mousedowned) + .filter(touchable) + .on("touchstart.drag", touchstarted) + .on("touchmove.drag", touchmoved) + .on("touchend.drag touchcancel.drag", touchended) + .style("touch-action", "none") + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); } - polyOut.exponent = custom; - - return polyOut; -})(exponent); + function mousedowned(event, d) { + if (touchending || !filter.call(this, event, d)) return; + var gesture = beforestart(this, container.call(this, event, d), event, d, "mouse"); + if (!gesture) return; + d3Selection.select(event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); + nodrag(event.view); + nopropagation(event); + mousemoving = false; + mousedownx = event.clientX; + mousedowny = event.clientY; + gesture("start", event); + } -var polyInOut = (function custom(e) { - e = +e; + function mousemoved(event) { + noevent(event); + if (!mousemoving) { + var dx = event.clientX - mousedownx, dy = event.clientY - mousedowny; + mousemoving = dx * dx + dy * dy > clickDistance2; + } + gestures.mouse("drag", event); + } - function polyInOut(t) { - return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2; + function mouseupped(event) { + d3Selection.select(event.view).on("mousemove.drag mouseup.drag", null); + yesdrag(event.view, mousemoving); + noevent(event); + gestures.mouse("end", event); } - polyInOut.exponent = custom; + function touchstarted(event, d) { + if (!filter.call(this, event, d)) return; + var touches = event.changedTouches, + c = container.call(this, event, d), + n = touches.length, i, gesture; - return polyInOut; -})(exponent); + for (i = 0; i < n; ++i) { + if (gesture = beforestart(this, c, event, d, touches[i].identifier, touches[i])) { + nopropagation(event); + gesture("start", event, touches[i]); + } + } + } -var pi = Math.PI, - halfPi = pi / 2; + function touchmoved(event) { + var touches = event.changedTouches, + n = touches.length, i, gesture; -function sinIn(t) { - return (+t === 1) ? 1 : 1 - Math.cos(t * halfPi); -} + for (i = 0; i < n; ++i) { + if (gesture = gestures[touches[i].identifier]) { + noevent(event); + gesture("drag", event, touches[i]); + } + } + } -function sinOut(t) { - return Math.sin(t * halfPi); -} + function touchended(event) { + var touches = event.changedTouches, + n = touches.length, i, gesture; -function sinInOut(t) { - return (1 - Math.cos(pi * t)) / 2; -} + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! + for (i = 0; i < n; ++i) { + if (gesture = gestures[touches[i].identifier]) { + nopropagation(event); + gesture("end", event, touches[i]); + } + } + } -// tpmt is two power minus ten times t scaled to [0,1] -function tpmt(x) { - return (Math.pow(2, -10 * x) - 0.0009765625) * 1.0009775171065494; -} + function beforestart(that, container, event, d, identifier, touch) { + var dispatch = listeners.copy(), + p = d3Selection.pointer(touch || event, container), dx, dy, + s; -function expIn(t) { - return tpmt(1 - +t); -} + if ((s = subject.call(that, new DragEvent("beforestart", { + sourceEvent: event, + target: drag, + identifier, + active, + x: p[0], + y: p[1], + dx: 0, + dy: 0, + dispatch + }), d)) == null) return; -function expOut(t) { - return 1 - tpmt(t); -} + dx = s.x - p[0] || 0; + dy = s.y - p[1] || 0; -function expInOut(t) { - return ((t *= 2) <= 1 ? tpmt(1 - t) : 2 - tpmt(t - 1)) / 2; -} + return function gesture(type, event, touch) { + var p0 = p, n; + switch (type) { + case "start": gestures[identifier] = gesture, n = active++; break; + case "end": delete gestures[identifier], --active; // nobreak + case "drag": p = d3Selection.pointer(touch || event, container), n = active; break; + } + dispatch.call( + type, + that, + new DragEvent(type, { + sourceEvent: event, + subject: s, + target: drag, + identifier, + active: n, + x: p[0] + dx, + y: p[1] + dy, + dx: p[0] - p0[0], + dy: p[1] - p0[1], + dispatch + }), + d + ); + }; + } -function circleIn(t) { - return 1 - Math.sqrt(1 - t * t); -} + drag.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant(!!_), drag) : filter; + }; -function circleOut(t) { - return Math.sqrt(1 - --t * t); -} + drag.container = function(_) { + return arguments.length ? (container = typeof _ === "function" ? _ : constant(_), drag) : container; + }; -function circleInOut(t) { - return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2; -} + drag.subject = function(_) { + return arguments.length ? (subject = typeof _ === "function" ? _ : constant(_), drag) : subject; + }; -var b1 = 4 / 11, - b2 = 6 / 11, - b3 = 8 / 11, - b4 = 3 / 4, - b5 = 9 / 11, - b6 = 10 / 11, - b7 = 15 / 16, - b8 = 21 / 22, - b9 = 63 / 64, - b0 = 1 / b1 / b1; + drag.touchable = function(_) { + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant(!!_), drag) : touchable; + }; -function bounceIn(t) { - return 1 - bounceOut(1 - t); -} + drag.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? drag : value; + }; -function bounceOut(t) { - return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9; -} + drag.clickDistance = function(_) { + return arguments.length ? (clickDistance2 = (_ = +_) * _, drag) : Math.sqrt(clickDistance2); + }; -function bounceInOut(t) { - return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2; + return drag; } -var overshoot = 1.70158; +exports.drag = drag; +exports.dragDisable = nodrag; +exports.dragEnable = yesdrag; -var backIn = (function custom(s) { - s = +s; +Object.defineProperty(exports, '__esModule', { value: true }); - function backIn(t) { - return (t = +t) * t * (s * (t - 1) + t); - } +})); +}); - backIn.overshoot = custom; +var d3Color = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-color/ v2.0.0 Copyright 2020 Mike Bostock +(function (global, factory) { +factory(exports) ; +}(commonjsGlobal, function (exports) { +function define(constructor, factory, prototype) { + constructor.prototype = factory.prototype = prototype; + prototype.constructor = constructor; +} - return backIn; -})(overshoot); +function extend(parent, definition) { + var prototype = Object.create(parent.prototype); + for (var key in definition) prototype[key] = definition[key]; + return prototype; +} -var backOut = (function custom(s) { - s = +s; +function Color() {} - function backOut(t) { - return --t * t * ((t + 1) * s + t) + 1; - } - - backOut.overshoot = custom; +var darker = 0.7; +var brighter = 1 / darker; - return backOut; -})(overshoot); +var reI = "\\s*([+-]?\\d+)\\s*", + reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*", + reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*", + reHex = /^#([0-9a-f]{3,8})$/, + reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"), + reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"), + reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"), + reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$"), + reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$"), + reHslaPercent = new RegExp("^hsla\\(" + [reN, reP, reP, reN] + "\\)$"); -var backInOut = (function custom(s) { - s = +s; +var named = { + aliceblue: 0xf0f8ff, + antiquewhite: 0xfaebd7, + aqua: 0x00ffff, + aquamarine: 0x7fffd4, + azure: 0xf0ffff, + beige: 0xf5f5dc, + bisque: 0xffe4c4, + black: 0x000000, + blanchedalmond: 0xffebcd, + blue: 0x0000ff, + blueviolet: 0x8a2be2, + brown: 0xa52a2a, + burlywood: 0xdeb887, + cadetblue: 0x5f9ea0, + chartreuse: 0x7fff00, + chocolate: 0xd2691e, + coral: 0xff7f50, + cornflowerblue: 0x6495ed, + cornsilk: 0xfff8dc, + crimson: 0xdc143c, + cyan: 0x00ffff, + darkblue: 0x00008b, + darkcyan: 0x008b8b, + darkgoldenrod: 0xb8860b, + darkgray: 0xa9a9a9, + darkgreen: 0x006400, + darkgrey: 0xa9a9a9, + darkkhaki: 0xbdb76b, + darkmagenta: 0x8b008b, + darkolivegreen: 0x556b2f, + darkorange: 0xff8c00, + darkorchid: 0x9932cc, + darkred: 0x8b0000, + darksalmon: 0xe9967a, + darkseagreen: 0x8fbc8f, + darkslateblue: 0x483d8b, + darkslategray: 0x2f4f4f, + darkslategrey: 0x2f4f4f, + darkturquoise: 0x00ced1, + darkviolet: 0x9400d3, + deeppink: 0xff1493, + deepskyblue: 0x00bfff, + dimgray: 0x696969, + dimgrey: 0x696969, + dodgerblue: 0x1e90ff, + firebrick: 0xb22222, + floralwhite: 0xfffaf0, + forestgreen: 0x228b22, + fuchsia: 0xff00ff, + gainsboro: 0xdcdcdc, + ghostwhite: 0xf8f8ff, + gold: 0xffd700, + goldenrod: 0xdaa520, + gray: 0x808080, + green: 0x008000, + greenyellow: 0xadff2f, + grey: 0x808080, + honeydew: 0xf0fff0, + hotpink: 0xff69b4, + indianred: 0xcd5c5c, + indigo: 0x4b0082, + ivory: 0xfffff0, + khaki: 0xf0e68c, + lavender: 0xe6e6fa, + lavenderblush: 0xfff0f5, + lawngreen: 0x7cfc00, + lemonchiffon: 0xfffacd, + lightblue: 0xadd8e6, + lightcoral: 0xf08080, + lightcyan: 0xe0ffff, + lightgoldenrodyellow: 0xfafad2, + lightgray: 0xd3d3d3, + lightgreen: 0x90ee90, + lightgrey: 0xd3d3d3, + lightpink: 0xffb6c1, + lightsalmon: 0xffa07a, + lightseagreen: 0x20b2aa, + lightskyblue: 0x87cefa, + lightslategray: 0x778899, + lightslategrey: 0x778899, + lightsteelblue: 0xb0c4de, + lightyellow: 0xffffe0, + lime: 0x00ff00, + limegreen: 0x32cd32, + linen: 0xfaf0e6, + magenta: 0xff00ff, + maroon: 0x800000, + mediumaquamarine: 0x66cdaa, + mediumblue: 0x0000cd, + mediumorchid: 0xba55d3, + mediumpurple: 0x9370db, + mediumseagreen: 0x3cb371, + mediumslateblue: 0x7b68ee, + mediumspringgreen: 0x00fa9a, + mediumturquoise: 0x48d1cc, + mediumvioletred: 0xc71585, + midnightblue: 0x191970, + mintcream: 0xf5fffa, + mistyrose: 0xffe4e1, + moccasin: 0xffe4b5, + navajowhite: 0xffdead, + navy: 0x000080, + oldlace: 0xfdf5e6, + olive: 0x808000, + olivedrab: 0x6b8e23, + orange: 0xffa500, + orangered: 0xff4500, + orchid: 0xda70d6, + palegoldenrod: 0xeee8aa, + palegreen: 0x98fb98, + paleturquoise: 0xafeeee, + palevioletred: 0xdb7093, + papayawhip: 0xffefd5, + peachpuff: 0xffdab9, + peru: 0xcd853f, + pink: 0xffc0cb, + plum: 0xdda0dd, + powderblue: 0xb0e0e6, + purple: 0x800080, + rebeccapurple: 0x663399, + red: 0xff0000, + rosybrown: 0xbc8f8f, + royalblue: 0x4169e1, + saddlebrown: 0x8b4513, + salmon: 0xfa8072, + sandybrown: 0xf4a460, + seagreen: 0x2e8b57, + seashell: 0xfff5ee, + sienna: 0xa0522d, + silver: 0xc0c0c0, + skyblue: 0x87ceeb, + slateblue: 0x6a5acd, + slategray: 0x708090, + slategrey: 0x708090, + snow: 0xfffafa, + springgreen: 0x00ff7f, + steelblue: 0x4682b4, + tan: 0xd2b48c, + teal: 0x008080, + thistle: 0xd8bfd8, + tomato: 0xff6347, + turquoise: 0x40e0d0, + violet: 0xee82ee, + wheat: 0xf5deb3, + white: 0xffffff, + whitesmoke: 0xf5f5f5, + yellow: 0xffff00, + yellowgreen: 0x9acd32 +}; - function backInOut(t) { - return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2; - } +define(Color, color, { + copy: function(channels) { + return Object.assign(new this.constructor, this, channels); + }, + displayable: function() { + return this.rgb().displayable(); + }, + hex: color_formatHex, // Deprecated! Use color.formatHex. + formatHex: color_formatHex, + formatHsl: color_formatHsl, + formatRgb: color_formatRgb, + toString: color_formatRgb +}); - backInOut.overshoot = custom; +function color_formatHex() { + return this.rgb().formatHex(); +} - return backInOut; -})(overshoot); +function color_formatHsl() { + return hslConvert(this).formatHsl(); +} -var tau = 2 * Math.PI, - amplitude = 1, - period = 0.3; +function color_formatRgb() { + return this.rgb().formatRgb(); +} -var elasticIn = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); +function color(format) { + var m, l; + format = (format + "").trim().toLowerCase(); + return (m = reHex.exec(format)) ? (l = m[1].length, m = parseInt(m[1], 16), l === 6 ? rgbn(m) // #ff0000 + : l === 3 ? new Rgb((m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1) // #f00 + : l === 8 ? rgba(m >> 24 & 0xff, m >> 16 & 0xff, m >> 8 & 0xff, (m & 0xff) / 0xff) // #ff000000 + : l === 4 ? rgba((m >> 12 & 0xf) | (m >> 8 & 0xf0), (m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), (((m & 0xf) << 4) | (m & 0xf)) / 0xff) // #f000 + : null) // invalid hex + : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0) + : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%) + : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1) + : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1) + : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%) + : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1) + : named.hasOwnProperty(format) ? rgbn(named[format]) // eslint-disable-line no-prototype-builtins + : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0) + : null; +} - function elasticIn(t) { - return a * tpmt(-(--t)) * Math.sin((s - t) / p); - } +function rgbn(n) { + return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1); +} - elasticIn.amplitude = function(a) { return custom(a, p * tau); }; - elasticIn.period = function(p) { return custom(a, p); }; +function rgba(r, g, b, a) { + if (a <= 0) r = g = b = NaN; + return new Rgb(r, g, b, a); +} - return elasticIn; -})(amplitude, period); +function rgbConvert(o) { + if (!(o instanceof Color)) o = color(o); + if (!o) return new Rgb; + o = o.rgb(); + return new Rgb(o.r, o.g, o.b, o.opacity); +} -var elasticOut = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); +function rgb(r, g, b, opacity) { + return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity); +} - function elasticOut(t) { - return 1 - a * tpmt(t = +t) * Math.sin((t + s) / p); - } +function Rgb(r, g, b, opacity) { + this.r = +r; + this.g = +g; + this.b = +b; + this.opacity = +opacity; +} - elasticOut.amplitude = function(a) { return custom(a, p * tau); }; - elasticOut.period = function(p) { return custom(a, p); }; +define(Rgb, rgb, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); + }, + rgb: function() { + return this; + }, + displayable: function() { + return (-0.5 <= this.r && this.r < 255.5) + && (-0.5 <= this.g && this.g < 255.5) + && (-0.5 <= this.b && this.b < 255.5) + && (0 <= this.opacity && this.opacity <= 1); + }, + hex: rgb_formatHex, // Deprecated! Use color.formatHex. + formatHex: rgb_formatHex, + formatRgb: rgb_formatRgb, + toString: rgb_formatRgb +})); - return elasticOut; -})(amplitude, period); +function rgb_formatHex() { + return "#" + hex(this.r) + hex(this.g) + hex(this.b); +} -var elasticInOut = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); +function rgb_formatRgb() { + var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); + return (a === 1 ? "rgb(" : "rgba(") + + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " + + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " + + Math.max(0, Math.min(255, Math.round(this.b) || 0)) + + (a === 1 ? ")" : ", " + a + ")"); +} - function elasticInOut(t) { - return ((t = t * 2 - 1) < 0 - ? a * tpmt(-t) * Math.sin((s - t) / p) - : 2 - a * tpmt(t) * Math.sin((s + t) / p)) / 2; - } +function hex(value) { + value = Math.max(0, Math.min(255, Math.round(value) || 0)); + return (value < 16 ? "0" : "") + value.toString(16); +} - elasticInOut.amplitude = function(a) { return custom(a, p * tau); }; - elasticInOut.period = function(p) { return custom(a, p); }; +function hsla(h, s, l, a) { + if (a <= 0) h = s = l = NaN; + else if (l <= 0 || l >= 1) h = s = NaN; + else if (s <= 0) h = NaN; + return new Hsl(h, s, l, a); +} - return elasticInOut; -})(amplitude, period); +function hslConvert(o) { + if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity); + if (!(o instanceof Color)) o = color(o); + if (!o) return new Hsl; + if (o instanceof Hsl) return o; + o = o.rgb(); + var r = o.r / 255, + g = o.g / 255, + b = o.b / 255, + min = Math.min(r, g, b), + max = Math.max(r, g, b), + h = NaN, + s = max - min, + l = (max + min) / 2; + if (s) { + if (r === max) h = (g - b) / s + (g < b) * 6; + else if (g === max) h = (b - r) / s + 2; + else h = (r - g) / s + 4; + s /= l < 0.5 ? max + min : 2 - max - min; + h *= 60; + } else { + s = l > 0 && l < 1 ? 0 : h; + } + return new Hsl(h, s, l, o.opacity); +} -exports.easeBack = backInOut; -exports.easeBackIn = backIn; -exports.easeBackInOut = backInOut; -exports.easeBackOut = backOut; -exports.easeBounce = bounceOut; -exports.easeBounceIn = bounceIn; -exports.easeBounceInOut = bounceInOut; -exports.easeBounceOut = bounceOut; -exports.easeCircle = circleInOut; -exports.easeCircleIn = circleIn; -exports.easeCircleInOut = circleInOut; -exports.easeCircleOut = circleOut; -exports.easeCubic = cubicInOut; -exports.easeCubicIn = cubicIn; -exports.easeCubicInOut = cubicInOut; -exports.easeCubicOut = cubicOut; -exports.easeElastic = elasticOut; -exports.easeElasticIn = elasticIn; -exports.easeElasticInOut = elasticInOut; -exports.easeElasticOut = elasticOut; -exports.easeExp = expInOut; -exports.easeExpIn = expIn; -exports.easeExpInOut = expInOut; -exports.easeExpOut = expOut; -exports.easeLinear = linear; -exports.easePoly = polyInOut; -exports.easePolyIn = polyIn; -exports.easePolyInOut = polyInOut; -exports.easePolyOut = polyOut; -exports.easeQuad = quadInOut; -exports.easeQuadIn = quadIn; -exports.easeQuadInOut = quadInOut; -exports.easeQuadOut = quadOut; -exports.easeSin = sinInOut; -exports.easeSinIn = sinIn; -exports.easeSinInOut = sinInOut; -exports.easeSinOut = sinOut; +function hsl(h, s, l, opacity) { + return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity); +} -Object.defineProperty(exports, '__esModule', { value: true }); +function Hsl(h, s, l, opacity) { + this.h = +h; + this.s = +s; + this.l = +l; + this.opacity = +opacity; +} +define(Hsl, hsl, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Hsl(this.h, this.s, this.l * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Hsl(this.h, this.s, this.l * k, this.opacity); + }, + rgb: function() { + var h = this.h % 360 + (this.h < 0) * 360, + s = isNaN(h) || isNaN(this.s) ? 0 : this.s, + l = this.l, + m2 = l + (l < 0.5 ? l : 1 - l) * s, + m1 = 2 * l - m2; + return new Rgb( + hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2), + hsl2rgb(h, m1, m2), + hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2), + this.opacity + ); + }, + displayable: function() { + return (0 <= this.s && this.s <= 1 || isNaN(this.s)) + && (0 <= this.l && this.l <= 1) + && (0 <= this.opacity && this.opacity <= 1); + }, + formatHsl: function() { + var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); + return (a === 1 ? "hsl(" : "hsla(") + + (this.h || 0) + ", " + + (this.s || 0) * 100 + "%, " + + (this.l || 0) * 100 + "%" + + (a === 1 ? ")" : ", " + a + ")"); + } })); -}); -var d3Transition = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-transition/ v2.0.0 Copyright 2020 Mike Bostock -(function (global, factory) { -factory(exports, d3Selection, d3Dispatch, d3Timer, d3Interpolate, d3Color, d3Ease) ; -}(commonjsGlobal, function (exports, d3Selection, d3Dispatch, d3Timer, d3Interpolate, d3Color, d3Ease) { -var emptyOn = d3Dispatch.dispatch("start", "end", "cancel", "interrupt"); -var emptyTween = []; +/* From FvD 13.37, CSS Color Module Level 3 */ +function hsl2rgb(h, m1, m2) { + return (h < 60 ? m1 + (m2 - m1) * h / 60 + : h < 180 ? m2 + : h < 240 ? m1 + (m2 - m1) * (240 - h) / 60 + : m1) * 255; +} -var CREATED = 0; -var SCHEDULED = 1; -var STARTING = 2; -var STARTED = 3; -var RUNNING = 4; -var ENDING = 5; -var ENDED = 6; +const radians = Math.PI / 180; +const degrees = 180 / Math.PI; -function schedule(node, name, id, index, group, timing) { - var schedules = node.__transition; - if (!schedules) node.__transition = {}; - else if (id in schedules) return; - create(node, id, { - name: name, - index: index, // For context during callback. - group: group, // For context during callback. - on: emptyOn, - tween: emptyTween, - time: timing.time, - delay: timing.delay, - duration: timing.duration, - ease: timing.ease, - timer: null, - state: CREATED - }); -} +// https://observablehq.com/@mbostock/lab-and-rgb +const K = 18, + Xn = 0.96422, + Yn = 1, + Zn = 0.82521, + t0 = 4 / 29, + t1 = 6 / 29, + t2 = 3 * t1 * t1, + t3 = t1 * t1 * t1; -function init(node, id) { - var schedule = get(node, id); - if (schedule.state > CREATED) throw new Error("too late; already scheduled"); - return schedule; +function labConvert(o) { + if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); + if (o instanceof Hcl) return hcl2lab(o); + if (!(o instanceof Rgb)) o = rgbConvert(o); + var r = rgb2lrgb(o.r), + g = rgb2lrgb(o.g), + b = rgb2lrgb(o.b), + y = xyz2lab((0.2225045 * r + 0.7168786 * g + 0.0606169 * b) / Yn), x, z; + if (r === g && g === b) x = z = y; else { + x = xyz2lab((0.4360747 * r + 0.3850649 * g + 0.1430804 * b) / Xn); + z = xyz2lab((0.0139322 * r + 0.0971045 * g + 0.7141733 * b) / Zn); + } + return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity); } -function set(node, id) { - var schedule = get(node, id); - if (schedule.state > STARTED) throw new Error("too late; already running"); - return schedule; +function gray(l, opacity) { + return new Lab(l, 0, 0, opacity == null ? 1 : opacity); } -function get(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id])) throw new Error("transition not found"); - return schedule; +function lab(l, a, b, opacity) { + return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); } -function create(node, id, self) { - var schedules = node.__transition, - tween; +function Lab(l, a, b, opacity) { + this.l = +l; + this.a = +a; + this.b = +b; + this.opacity = +opacity; +} - // Initialize the self timer when the transition is created. - // Note the actual delay is not known until the first callback! - schedules[id] = self; - self.timer = d3Timer.timer(schedule, 0, self.time); - - function schedule(elapsed) { - self.state = SCHEDULED; - self.timer.restart(start, self.delay, self.time); - - // If the elapsed delay is less than our first sleep, start immediately. - if (self.delay <= elapsed) start(elapsed - self.delay); +define(Lab, lab, extend(Color, { + brighter: function(k) { + return new Lab(this.l + K * (k == null ? 1 : k), this.a, this.b, this.opacity); + }, + darker: function(k) { + return new Lab(this.l - K * (k == null ? 1 : k), this.a, this.b, this.opacity); + }, + rgb: function() { + var y = (this.l + 16) / 116, + x = isNaN(this.a) ? y : y + this.a / 500, + z = isNaN(this.b) ? y : y - this.b / 200; + x = Xn * lab2xyz(x); + y = Yn * lab2xyz(y); + z = Zn * lab2xyz(z); + return new Rgb( + lrgb2rgb( 3.1338561 * x - 1.6168667 * y - 0.4906146 * z), + lrgb2rgb(-0.9787684 * x + 1.9161415 * y + 0.0334540 * z), + lrgb2rgb( 0.0719453 * x - 0.2289914 * y + 1.4052427 * z), + this.opacity + ); } +})); - function start(elapsed) { - var i, j, n, o; +function xyz2lab(t) { + return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0; +} - // If the state is not SCHEDULED, then we previously errored on start. - if (self.state !== SCHEDULED) return stop(); +function lab2xyz(t) { + return t > t1 ? t * t * t : t2 * (t - t0); +} - for (i in schedules) { - o = schedules[i]; - if (o.name !== self.name) continue; +function lrgb2rgb(x) { + return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055); +} - // While this element already has a starting transition during this frame, - // defer starting an interrupting transition until that transition has a - // chance to tick (and possibly end); see d3/d3-transition#54! - if (o.state === STARTED) return d3Timer.timeout(start); +function rgb2lrgb(x) { + return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4); +} - // Interrupt the active transition, if any. - if (o.state === RUNNING) { - o.state = ENDED; - o.timer.stop(); - o.on.call("interrupt", node, node.__data__, o.index, o.group); - delete schedules[i]; - } +function hclConvert(o) { + if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); + if (!(o instanceof Lab)) o = labConvert(o); + if (o.a === 0 && o.b === 0) return new Hcl(NaN, 0 < o.l && o.l < 100 ? 0 : NaN, o.l, o.opacity); + var h = Math.atan2(o.b, o.a) * degrees; + return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); +} - // Cancel any pre-empted transitions. - else if (+i < id) { - o.state = ENDED; - o.timer.stop(); - o.on.call("cancel", node, node.__data__, o.index, o.group); - delete schedules[i]; - } - } +function lch(l, c, h, opacity) { + return arguments.length === 1 ? hclConvert(l) : new Hcl(h, c, l, opacity == null ? 1 : opacity); +} - // Defer the first tick to end of the current frame; see d3/d3#1576. - // Note the transition may be canceled after start and before the first tick! - // Note this must be scheduled before the start event; see d3/d3-transition#16! - // Assuming this is successful, subsequent callbacks go straight to tick. - d3Timer.timeout(function() { - if (self.state === STARTED) { - self.state = RUNNING; - self.timer.restart(tick, self.delay, self.time); - tick(elapsed); - } - }); +function hcl(h, c, l, opacity) { + return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); +} - // Dispatch the start event. - // Note this must be done before the tween are initialized. - self.state = STARTING; - self.on.call("start", node, node.__data__, self.index, self.group); - if (self.state !== STARTING) return; // interrupted - self.state = STARTED; +function Hcl(h, c, l, opacity) { + this.h = +h; + this.c = +c; + this.l = +l; + this.opacity = +opacity; +} - // Initialize the tween, deleting null tween. - tween = new Array(n = self.tween.length); - for (i = 0, j = -1; i < n; ++i) { - if (o = self.tween[i].value.call(node, node.__data__, self.index, self.group)) { - tween[++j] = o; - } - } - tween.length = j + 1; +function hcl2lab(o) { + if (isNaN(o.h)) return new Lab(o.l, 0, 0, o.opacity); + var h = o.h * radians; + return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); +} + +define(Hcl, hcl, extend(Color, { + brighter: function(k) { + return new Hcl(this.h, this.c, this.l + K * (k == null ? 1 : k), this.opacity); + }, + darker: function(k) { + return new Hcl(this.h, this.c, this.l - K * (k == null ? 1 : k), this.opacity); + }, + rgb: function() { + return hcl2lab(this).rgb(); } +})); - function tick(elapsed) { - var t = elapsed < self.duration ? self.ease.call(null, elapsed / self.duration) : (self.timer.restart(stop), self.state = ENDING, 1), - i = -1, - n = tween.length; +var A = -0.14861, + B = +1.78277, + C = -0.29227, + D = -0.90649, + E = +1.97294, + ED = E * D, + EB = E * B, + BC_DA = B * C - D * A; - while (++i < n) { - tween[i].call(node, t); - } +function cubehelixConvert(o) { + if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); + if (!(o instanceof Rgb)) o = rgbConvert(o); + var r = o.r / 255, + g = o.g / 255, + b = o.b / 255, + l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB), + bl = b - l, + k = (E * (g - l) - C * bl) / D, + s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 + h = s ? Math.atan2(k, bl) * degrees - 120 : NaN; + return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); +} - // Dispatch the end event. - if (self.state === ENDING) { - self.on.call("end", node, node.__data__, self.index, self.group); - stop(); - } - } +function cubehelix(h, s, l, opacity) { + return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity); +} - function stop() { - self.state = ENDED; - self.timer.stop(); - delete schedules[id]; - for (var i in schedules) return; // eslint-disable-line no-unused-vars - delete node.__transition; - } +function Cubehelix(h, s, l, opacity) { + this.h = +h; + this.s = +s; + this.l = +l; + this.opacity = +opacity; } -function interrupt(node, name) { - var schedules = node.__transition, - schedule, - active, - empty = true, - i; +define(Cubehelix, cubehelix, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Cubehelix(this.h, this.s, this.l * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Cubehelix(this.h, this.s, this.l * k, this.opacity); + }, + rgb: function() { + var h = isNaN(this.h) ? 0 : (this.h + 120) * radians, + l = +this.l, + a = isNaN(this.s) ? 0 : this.s * l * (1 - l), + cosh = Math.cos(h), + sinh = Math.sin(h); + return new Rgb( + 255 * (l + a * (A * cosh + B * sinh)), + 255 * (l + a * (C * cosh + D * sinh)), + 255 * (l + a * (E * cosh)), + this.opacity + ); + } +})); - if (!schedules) return; +exports.color = color; +exports.cubehelix = cubehelix; +exports.gray = gray; +exports.hcl = hcl; +exports.hsl = hsl; +exports.lab = lab; +exports.lch = lch; +exports.rgb = rgb; - name = name == null ? null : name + ""; +Object.defineProperty(exports, '__esModule', { value: true }); - for (i in schedules) { - if ((schedule = schedules[i]).name !== name) { empty = false; continue; } - active = schedule.state > STARTING && schedule.state < ENDING; - schedule.state = ENDED; - schedule.timer.stop(); - schedule.on.call(active ? "interrupt" : "cancel", node, node.__data__, schedule.index, schedule.group); - delete schedules[i]; - } +})); +}); - if (empty) delete node.__transition; +var d3Interpolate = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-interpolate/ v2.0.1 Copyright 2020 Mike Bostock +(function (global, factory) { +factory(exports, d3Color) ; +}(commonjsGlobal, function (exports, d3Color) { +function basis(t1, v0, v1, v2, v3) { + var t2 = t1 * t1, t3 = t2 * t1; + return ((1 - 3 * t1 + 3 * t2 - t3) * v0 + + (4 - 6 * t2 + 3 * t3) * v1 + + (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2 + + t3 * v3) / 6; } -function selection_interrupt(name) { - return this.each(function() { - interrupt(this, name); - }); +function basis$1(values) { + var n = values.length - 1; + return function(t) { + var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), + v1 = values[i], + v2 = values[i + 1], + v0 = i > 0 ? values[i - 1] : 2 * v1 - v2, + v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; + return basis((t - i / n) * n, v0, v1, v2, v3); + }; } -function tweenRemove(id, name) { - var tween0, tween1; - return function() { - var schedule = set(this, id), - tween = schedule.tween; +function basisClosed(values) { + var n = values.length; + return function(t) { + var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), + v0 = values[(i + n - 1) % n], + v1 = values[i % n], + v2 = values[(i + 1) % n], + v3 = values[(i + 2) % n]; + return basis((t - i / n) * n, v0, v1, v2, v3); + }; +} - // If this node shared tween with the previous node, - // just assign the updated shared tween and we’re done! - // Otherwise, copy-on-write. - if (tween !== tween0) { - tween1 = tween0 = tween; - for (var i = 0, n = tween1.length; i < n; ++i) { - if (tween1[i].name === name) { - tween1 = tween1.slice(); - tween1.splice(i, 1); - break; - } - } - } +var constant = x => () => x; - schedule.tween = tween1; +function linear(a, d) { + return function(t) { + return a + t * d; }; } -function tweenFunction(id, name, value) { - var tween0, tween1; - if (typeof value !== "function") throw new Error; - return function() { - var schedule = set(this, id), - tween = schedule.tween; +function exponential(a, b, y) { + return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) { + return Math.pow(a + t * b, y); + }; +} - // If this node shared tween with the previous node, - // just assign the updated shared tween and we’re done! - // Otherwise, copy-on-write. - if (tween !== tween0) { - tween1 = (tween0 = tween).slice(); - for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) { - if (tween1[i].name === name) { - tween1[i] = t; - break; - } - } - if (i === n) tween1.push(t); - } +function hue(a, b) { + var d = b - a; + return d ? linear(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant(isNaN(a) ? b : a); +} - schedule.tween = tween1; +function gamma(y) { + return (y = +y) === 1 ? nogamma : function(a, b) { + return b - a ? exponential(a, b, y) : constant(isNaN(a) ? b : a); }; } -function transition_tween(name, value) { - var id = this._id; +function nogamma(a, b) { + var d = b - a; + return d ? linear(a, d) : constant(isNaN(a) ? b : a); +} - name += ""; +var rgb = (function rgbGamma(y) { + var color = gamma(y); - if (arguments.length < 2) { - var tween = get(this.node(), id).tween; - for (var i = 0, n = tween.length, t; i < n; ++i) { - if ((t = tween[i]).name === name) { - return t.value; - } - } - return null; + function rgb(start, end) { + var r = color((start = d3Color.rgb(start)).r, (end = d3Color.rgb(end)).r), + g = color(start.g, end.g), + b = color(start.b, end.b), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.r = r(t); + start.g = g(t); + start.b = b(t); + start.opacity = opacity(t); + return start + ""; + }; } - return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); -} - -function tweenValue(transition, name, value) { - var id = transition._id; + rgb.gamma = rgbGamma; - transition.each(function() { - var schedule = set(this, id); - (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); - }); + return rgb; +})(1); - return function(node) { - return get(node, id).value[name]; +function rgbSpline(spline) { + return function(colors) { + var n = colors.length, + r = new Array(n), + g = new Array(n), + b = new Array(n), + i, color; + for (i = 0; i < n; ++i) { + color = d3Color.rgb(colors[i]); + r[i] = color.r || 0; + g[i] = color.g || 0; + b[i] = color.b || 0; + } + r = spline(r); + g = spline(g); + b = spline(b); + color.opacity = 1; + return function(t) { + color.r = r(t); + color.g = g(t); + color.b = b(t); + return color + ""; + }; }; } -function interpolate(a, b) { - var c; - return (typeof b === "number" ? d3Interpolate.interpolateNumber - : b instanceof d3Color.color ? d3Interpolate.interpolateRgb - : (c = d3Color.color(b)) ? (b = c, d3Interpolate.interpolateRgb) - : d3Interpolate.interpolateString)(a, b); -} +var rgbBasis = rgbSpline(basis$1); +var rgbBasisClosed = rgbSpline(basisClosed); -function attrRemove(name) { - return function() { - this.removeAttribute(name); +function numberArray(a, b) { + if (!b) b = []; + var n = a ? Math.min(b.length, a.length) : 0, + c = b.slice(), + i; + return function(t) { + for (i = 0; i < n; ++i) c[i] = a[i] * (1 - t) + b[i] * t; + return c; }; } -function attrRemoveNS(fullname) { - return function() { - this.removeAttributeNS(fullname.space, fullname.local); - }; +function isNumberArray(x) { + return ArrayBuffer.isView(x) && !(x instanceof DataView); } -function attrConstant(name, interpolate, value1) { - var string00, - string1 = value1 + "", - interpolate0; - return function() { - var string0 = this.getAttribute(name); - return string0 === string1 ? null - : string0 === string00 ? interpolate0 - : interpolate0 = interpolate(string00 = string0, value1); - }; +function array(a, b) { + return (isNumberArray(b) ? numberArray : genericArray)(a, b); } -function attrConstantNS(fullname, interpolate, value1) { - var string00, - string1 = value1 + "", - interpolate0; - return function() { - var string0 = this.getAttributeNS(fullname.space, fullname.local); - return string0 === string1 ? null - : string0 === string00 ? interpolate0 - : interpolate0 = interpolate(string00 = string0, value1); +function genericArray(a, b) { + var nb = b ? b.length : 0, + na = a ? Math.min(nb, a.length) : 0, + x = new Array(na), + c = new Array(nb), + i; + + for (i = 0; i < na; ++i) x[i] = value(a[i], b[i]); + for (; i < nb; ++i) c[i] = b[i]; + + return function(t) { + for (i = 0; i < na; ++i) c[i] = x[i](t); + return c; }; } -function attrFunction(name, interpolate, value) { - var string00, - string10, - interpolate0; - return function() { - var string0, value1 = value(this), string1; - if (value1 == null) return void this.removeAttribute(name); - string0 = this.getAttribute(name); - string1 = value1 + ""; - return string0 === string1 ? null - : string0 === string00 && string1 === string10 ? interpolate0 - : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); +function date(a, b) { + var d = new Date; + return a = +a, b = +b, function(t) { + return d.setTime(a * (1 - t) + b * t), d; }; } -function attrFunctionNS(fullname, interpolate, value) { - var string00, - string10, - interpolate0; - return function() { - var string0, value1 = value(this), string1; - if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); - string0 = this.getAttributeNS(fullname.space, fullname.local); - string1 = value1 + ""; - return string0 === string1 ? null - : string0 === string00 && string1 === string10 ? interpolate0 - : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); +function number(a, b) { + return a = +a, b = +b, function(t) { + return a * (1 - t) + b * t; }; } -function transition_attr(name, value) { - var fullname = d3Selection.namespace(name), i = fullname === "transform" ? d3Interpolate.interpolateTransformSvg : interpolate; - return this.attrTween(name, typeof value === "function" - ? (fullname.local ? attrFunctionNS : attrFunction)(fullname, i, tweenValue(this, "attr." + name, value)) - : value == null ? (fullname.local ? attrRemoveNS : attrRemove)(fullname) - : (fullname.local ? attrConstantNS : attrConstant)(fullname, i, value)); -} +function object(a, b) { + var i = {}, + c = {}, + k; + + if (a === null || typeof a !== "object") a = {}; + if (b === null || typeof b !== "object") b = {}; + + for (k in b) { + if (k in a) { + i[k] = value(a[k], b[k]); + } else { + c[k] = b[k]; + } + } -function attrInterpolate(name, i) { return function(t) { - this.setAttribute(name, i.call(this, t)); + for (k in i) c[k] = i[k](t); + return c; }; } -function attrInterpolateNS(fullname, i) { - return function(t) { - this.setAttributeNS(fullname.space, fullname.local, i.call(this, t)); +var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g, + reB = new RegExp(reA.source, "g"); + +function zero(b) { + return function() { + return b; }; } -function attrTweenNS(fullname, value) { - var t0, i0; - function tween() { - var i = value.apply(this, arguments); - if (i !== i0) t0 = (i0 = i) && attrInterpolateNS(fullname, i); - return t0; - } - tween._value = value; - return tween; +function one(b) { + return function(t) { + return b(t) + ""; + }; } -function attrTween(name, value) { - var t0, i0; - function tween() { - var i = value.apply(this, arguments); - if (i !== i0) t0 = (i0 = i) && attrInterpolate(name, i); - return t0; +function string(a, b) { + var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b + am, // current match in a + bm, // current match in b + bs, // string preceding current number in b, if any + i = -1, // index in s + s = [], // string constants and placeholders + q = []; // number interpolators + + // Coerce inputs to strings. + a = a + "", b = b + ""; + + // Interpolate pairs of numbers in a & b. + while ((am = reA.exec(a)) + && (bm = reB.exec(b))) { + if ((bs = bm.index) > bi) { // a string precedes the next number in b + bs = b.slice(bi, bs); + if (s[i]) s[i] += bs; // coalesce with previous string + else s[++i] = bs; + } + if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match + if (s[i]) s[i] += bm; // coalesce with previous string + else s[++i] = bm; + } else { // interpolate non-matching numbers + s[++i] = null; + q.push({i: i, x: number(am, bm)}); + } + bi = reB.lastIndex; } - tween._value = value; - return tween; -} -function transition_attrTween(name, value) { - var key = "attr." + name; - if (arguments.length < 2) return (key = this.tween(key)) && key._value; - if (value == null) return this.tween(key, null); - if (typeof value !== "function") throw new Error; - var fullname = d3Selection.namespace(name); - return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); -} + // Add remains of b. + if (bi < b.length) { + bs = b.slice(bi); + if (s[i]) s[i] += bs; // coalesce with previous string + else s[++i] = bs; + } -function delayFunction(id, value) { - return function() { - init(this, id).delay = +value.apply(this, arguments); - }; + // Special optimization for only a single match. + // Otherwise, interpolate each of the numbers and rejoin the string. + return s.length < 2 ? (q[0] + ? one(q[0].x) + : zero(b)) + : (b = q.length, function(t) { + for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }); } -function delayConstant(id, value) { - return value = +value, function() { - init(this, id).delay = value; - }; +function value(a, b) { + var t = typeof b, c; + return b == null || t === "boolean" ? constant(b) + : (t === "number" ? number + : t === "string" ? ((c = d3Color.color(b)) ? (b = c, rgb) : string) + : b instanceof d3Color.color ? rgb + : b instanceof Date ? date + : isNumberArray(b) ? numberArray + : Array.isArray(b) ? genericArray + : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object + : number)(a, b); } -function transition_delay(value) { - var id = this._id; - - return arguments.length - ? this.each((typeof value === "function" - ? delayFunction - : delayConstant)(id, value)) - : get(this.node(), id).delay; +function discrete(range) { + var n = range.length; + return function(t) { + return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; + }; } -function durationFunction(id, value) { - return function() { - set(this, id).duration = +value.apply(this, arguments); +function hue$1(a, b) { + var i = hue(+a, +b); + return function(t) { + var x = i(t); + return x - 360 * Math.floor(x / 360); }; } -function durationConstant(id, value) { - return value = +value, function() { - set(this, id).duration = value; +function round(a, b) { + return a = +a, b = +b, function(t) { + return Math.round(a * (1 - t) + b * t); }; } -function transition_duration(value) { - var id = this._id; +var degrees = 180 / Math.PI; - return arguments.length - ? this.each((typeof value === "function" - ? durationFunction - : durationConstant)(id, value)) - : get(this.node(), id).duration; -} +var identity = { + translateX: 0, + translateY: 0, + rotate: 0, + skewX: 0, + scaleX: 1, + scaleY: 1 +}; -function easeConstant(id, value) { - if (typeof value !== "function") throw new Error; - return function() { - set(this, id).ease = value; +function decompose(a, b, c, d, e, f) { + var scaleX, scaleY, skewX; + if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX; + if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX; + if (scaleY = Math.sqrt(c * c + d * d)) c /= scaleY, d /= scaleY, skewX /= scaleY; + if (a * d < b * c) a = -a, b = -b, skewX = -skewX, scaleX = -scaleX; + return { + translateX: e, + translateY: f, + rotate: Math.atan2(b, a) * degrees, + skewX: Math.atan(skewX) * degrees, + scaleX: scaleX, + scaleY: scaleY }; } -function transition_ease(value) { - var id = this._id; +var svgNode; - return arguments.length - ? this.each(easeConstant(id, value)) - : get(this.node(), id).ease; +/* eslint-disable no-undef */ +function parseCss(value) { + const m = new (typeof DOMMatrix === "function" ? DOMMatrix : WebKitCSSMatrix)(value + ""); + return m.isIdentity ? identity : decompose(m.a, m.b, m.c, m.d, m.e, m.f); } -function easeVarying(id, value) { - return function() { - var v = value.apply(this, arguments); - if (typeof v !== "function") throw new Error; - set(this, id).ease = v; - }; +function parseSvg(value) { + if (value == null) return identity; + if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); + svgNode.setAttribute("transform", value); + if (!(value = svgNode.transform.baseVal.consolidate())) return identity; + value = value.matrix; + return decompose(value.a, value.b, value.c, value.d, value.e, value.f); } -function transition_easeVarying(value) { - if (typeof value !== "function") throw new Error; - return this.each(easeVarying(this._id, value)); -} +function interpolateTransform(parse, pxComma, pxParen, degParen) { -function transition_filter(match) { - if (typeof match !== "function") match = d3Selection.matcher(match); + function pop(s) { + return s.length ? s.pop() + " " : ""; + } - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { - if ((node = group[i]) && match.call(node, node.__data__, i, group)) { - subgroup.push(node); - } + function translate(xa, ya, xb, yb, s, q) { + if (xa !== xb || ya !== yb) { + var i = s.push("translate(", null, pxComma, null, pxParen); + q.push({i: i - 4, x: number(xa, xb)}, {i: i - 2, x: number(ya, yb)}); + } else if (xb || yb) { + s.push("translate(" + xb + pxComma + yb + pxParen); } } - return new Transition(subgroups, this._parents, this._name, this._id); -} - -function transition_merge(transition) { - if (transition._id !== this._id) throw new Error; + function rotate(a, b, s, q) { + if (a !== b) { + if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path + q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: number(a, b)}); + } else if (b) { + s.push(pop(s) + "rotate(" + b + degParen); + } + } - for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { - for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group0[i] || group1[i]) { - merge[i] = node; - } + function skewX(a, b, s, q) { + if (a !== b) { + q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: number(a, b)}); + } else if (b) { + s.push(pop(s) + "skewX(" + b + degParen); } } - for (; j < m0; ++j) { - merges[j] = groups0[j]; + function scale(xa, ya, xb, yb, s, q) { + if (xa !== xb || ya !== yb) { + var i = s.push(pop(s) + "scale(", null, ",", null, ")"); + q.push({i: i - 4, x: number(xa, xb)}, {i: i - 2, x: number(ya, yb)}); + } else if (xb !== 1 || yb !== 1) { + s.push(pop(s) + "scale(" + xb + "," + yb + ")"); + } } - return new Transition(merges, this._parents, this._name, this._id); + return function(a, b) { + var s = [], // string constants and placeholders + q = []; // number interpolators + a = parse(a), b = parse(b); + translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q); + rotate(a.rotate, b.rotate, s, q); + skewX(a.skewX, b.skewX, s, q); + scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q); + a = b = null; // gc + return function(t) { + var i = -1, n = q.length, o; + while (++i < n) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }; + }; } -function start(name) { - return (name + "").trim().split(/^|\s+/).every(function(t) { - var i = t.indexOf("."); - if (i >= 0) t = t.slice(0, i); - return !t || t === "start"; - }); -} +var interpolateTransformCss = interpolateTransform(parseCss, "px, ", "px)", "deg)"); +var interpolateTransformSvg = interpolateTransform(parseSvg, ", ", ")", ")"); -function onFunction(id, name, listener) { - var on0, on1, sit = start(name) ? init : set; - return function() { - var schedule = sit(this, id), - on = schedule.on; - - // If this node shared a dispatch with the previous node, - // just assign the updated shared dispatch and we’re done! - // Otherwise, copy-on-write. - if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); - - schedule.on = on1; - }; -} - -function transition_on(name, listener) { - var id = this._id; +var epsilon2 = 1e-12; - return arguments.length < 2 - ? get(this.node(), id).on.on(name) - : this.each(onFunction(id, name, listener)); +function cosh(x) { + return ((x = Math.exp(x)) + 1 / x) / 2; } -function removeFunction(id) { - return function() { - var parent = this.parentNode; - for (var i in this.__transition) if (+i !== id) return; - if (parent) parent.removeChild(this); - }; +function sinh(x) { + return ((x = Math.exp(x)) - 1 / x) / 2; } -function transition_remove() { - return this.on("end.remove", removeFunction(this._id)); +function tanh(x) { + return ((x = Math.exp(2 * x)) - 1) / (x + 1); } -function transition_select(select) { - var name = this._name, - id = this._id; +var zoom = (function zoomRho(rho, rho2, rho4) { - if (typeof select !== "function") select = d3Selection.selector(select); + // p0 = [ux0, uy0, w0] + // p1 = [ux1, uy1, w1] + function zoom(p0, p1) { + var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], + ux1 = p1[0], uy1 = p1[1], w1 = p1[2], + dx = ux1 - ux0, + dy = uy1 - uy0, + d2 = dx * dx + dy * dy, + i, + S; - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - subgroup[i] = subnode; - schedule(subgroup[i], name, id, i, subgroup, get(node, id)); - } + // Special case for u0 ≅ u1. + if (d2 < epsilon2) { + S = Math.log(w1 / w0) / rho; + i = function(t) { + return [ + ux0 + t * dx, + uy0 + t * dy, + w0 * Math.exp(rho * t * S) + ]; + }; } - } - - return new Transition(subgroups, this._parents, name, id); -} -function transition_selectAll(select) { - var name = this._name, - id = this._id; + // General case. + else { + var d1 = Math.sqrt(d2), + b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), + b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), + r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), + r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); + S = (r1 - r0) / rho; + i = function(t) { + var s = t * S, + coshr0 = cosh(r0), + u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); + return [ + ux0 + u * dx, + uy0 + u * dy, + w0 * coshr0 / cosh(rho * s + r0) + ]; + }; + } - if (typeof select !== "function") select = d3Selection.selectorAll(select); + i.duration = S * 1000 * rho / Math.SQRT2; - for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - for (var children = select.call(node, node.__data__, i, group), child, inherit = get(node, id), k = 0, l = children.length; k < l; ++k) { - if (child = children[k]) { - schedule(child, name, id, k, children, inherit); - } - } - subgroups.push(children); - parents.push(node); - } - } + return i; } - return new Transition(subgroups, parents, name, id); -} + zoom.rho = function(_) { + var _1 = Math.max(1e-3, +_), _2 = _1 * _1, _4 = _2 * _2; + return zoomRho(_1, _2, _4); + }; -var Selection = d3Selection.selection.prototype.constructor; + return zoom; +})(Math.SQRT2, 2, 4); -function transition_selection() { - return new Selection(this._groups, this._parents); +function hsl(hue) { + return function(start, end) { + var h = hue((start = d3Color.hsl(start)).h, (end = d3Color.hsl(end)).h), + s = nogamma(start.s, end.s), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.s = s(t); + start.l = l(t); + start.opacity = opacity(t); + return start + ""; + }; + } } -function styleNull(name, interpolate) { - var string00, - string10, - interpolate0; - return function() { - var string0 = d3Selection.style(this, name), - string1 = (this.style.removeProperty(name), d3Selection.style(this, name)); - return string0 === string1 ? null - : string0 === string00 && string1 === string10 ? interpolate0 - : interpolate0 = interpolate(string00 = string0, string10 = string1); - }; -} +var hsl$1 = hsl(hue); +var hslLong = hsl(nogamma); -function styleRemove(name) { - return function() { - this.style.removeProperty(name); +function lab(start, end) { + var l = nogamma((start = d3Color.lab(start)).l, (end = d3Color.lab(end)).l), + a = nogamma(start.a, end.a), + b = nogamma(start.b, end.b), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.l = l(t); + start.a = a(t); + start.b = b(t); + start.opacity = opacity(t); + return start + ""; }; } -function styleConstant(name, interpolate, value1) { - var string00, - string1 = value1 + "", - interpolate0; - return function() { - var string0 = d3Selection.style(this, name); - return string0 === string1 ? null - : string0 === string00 ? interpolate0 - : interpolate0 = interpolate(string00 = string0, value1); - }; +function hcl(hue) { + return function(start, end) { + var h = hue((start = d3Color.hcl(start)).h, (end = d3Color.hcl(end)).h), + c = nogamma(start.c, end.c), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.c = c(t); + start.l = l(t); + start.opacity = opacity(t); + return start + ""; + }; + } } -function styleFunction(name, interpolate, value) { - var string00, - string10, - interpolate0; - return function() { - var string0 = d3Selection.style(this, name), - value1 = value(this), - string1 = value1 + ""; - if (value1 == null) string1 = value1 = (this.style.removeProperty(name), d3Selection.style(this, name)); - return string0 === string1 ? null - : string0 === string00 && string1 === string10 ? interpolate0 - : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); - }; -} +var hcl$1 = hcl(hue); +var hclLong = hcl(nogamma); -function styleMaybeRemove(id, name) { - var on0, on1, listener0, key = "style." + name, event = "end." + key, remove; - return function() { - var schedule = set(this, id), - on = schedule.on, - listener = schedule.value[key] == null ? remove || (remove = styleRemove(name)) : undefined; +function cubehelix(hue) { + return (function cubehelixGamma(y) { + y = +y; - // If this node shared a dispatch with the previous node, - // just assign the updated shared dispatch and we’re done! - // Otherwise, copy-on-write. - if (on !== on0 || listener0 !== listener) (on1 = (on0 = on).copy()).on(event, listener0 = listener); + function cubehelix(start, end) { + var h = hue((start = d3Color.cubehelix(start)).h, (end = d3Color.cubehelix(end)).h), + s = nogamma(start.s, end.s), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.s = s(t); + start.l = l(Math.pow(t, y)); + start.opacity = opacity(t); + return start + ""; + }; + } - schedule.on = on1; - }; -} + cubehelix.gamma = cubehelixGamma; -function transition_style(name, value, priority) { - var i = (name += "") === "transform" ? d3Interpolate.interpolateTransformCss : interpolate; - return value == null ? this - .styleTween(name, styleNull(name, i)) - .on("end.style." + name, styleRemove(name)) - : typeof value === "function" ? this - .styleTween(name, styleFunction(name, i, tweenValue(this, "style." + name, value))) - .each(styleMaybeRemove(this._id, name)) - : this - .styleTween(name, styleConstant(name, i, value), priority) - .on("end.style." + name, null); + return cubehelix; + })(1); } -function styleInterpolate(name, i, priority) { +var cubehelix$1 = cubehelix(hue); +var cubehelixLong = cubehelix(nogamma); + +function piecewise(interpolate, values) { + if (values === undefined) values = interpolate, interpolate = value; + var i = 0, n = values.length - 1, v = values[0], I = new Array(n < 0 ? 0 : n); + while (i < n) I[i] = interpolate(v, v = values[++i]); return function(t) { - this.style.setProperty(name, i.call(this, t), priority); + var i = Math.max(0, Math.min(n - 1, Math.floor(t *= n))); + return I[i](t - i); }; } -function styleTween(name, value, priority) { - var t, i0; - function tween() { - var i = value.apply(this, arguments); - if (i !== i0) t = (i0 = i) && styleInterpolate(name, i, priority); - return t; - } - tween._value = value; - return tween; +function quantize(interpolator, n) { + var samples = new Array(n); + for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); + return samples; } -function transition_styleTween(name, value, priority) { - var key = "style." + (name += ""); - if (arguments.length < 2) return (key = this.tween(key)) && key._value; - if (value == null) return this.tween(key, null); - if (typeof value !== "function") throw new Error; - return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); -} +exports.interpolate = value; +exports.interpolateArray = array; +exports.interpolateBasis = basis$1; +exports.interpolateBasisClosed = basisClosed; +exports.interpolateCubehelix = cubehelix$1; +exports.interpolateCubehelixLong = cubehelixLong; +exports.interpolateDate = date; +exports.interpolateDiscrete = discrete; +exports.interpolateHcl = hcl$1; +exports.interpolateHclLong = hclLong; +exports.interpolateHsl = hsl$1; +exports.interpolateHslLong = hslLong; +exports.interpolateHue = hue$1; +exports.interpolateLab = lab; +exports.interpolateNumber = number; +exports.interpolateNumberArray = numberArray; +exports.interpolateObject = object; +exports.interpolateRgb = rgb; +exports.interpolateRgbBasis = rgbBasis; +exports.interpolateRgbBasisClosed = rgbBasisClosed; +exports.interpolateRound = round; +exports.interpolateString = string; +exports.interpolateTransformCss = interpolateTransformCss; +exports.interpolateTransformSvg = interpolateTransformSvg; +exports.interpolateZoom = zoom; +exports.piecewise = piecewise; +exports.quantize = quantize; -function textConstant(value) { - return function() { - this.textContent = value; - }; -} +Object.defineProperty(exports, '__esModule', { value: true }); -function textFunction(value) { - return function() { - var value1 = value(this); - this.textContent = value1 == null ? "" : value1; - }; -} +})); +}); -function transition_text(value) { - return this.tween("text", typeof value === "function" - ? textFunction(tweenValue(this, "text", value)) - : textConstant(value == null ? "" : value + "")); -} +var d3Timer = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-timer/ v2.0.0 Copyright 2020 Mike Bostock +(function (global, factory) { +factory(exports) ; +}(commonjsGlobal, function (exports) { +var frame = 0, // is an animation frame pending? + timeout = 0, // is a timeout pending? + interval = 0, // are any timers active? + pokeDelay = 1000, // how frequently we check for clock skew + taskHead, + taskTail, + clockLast = 0, + clockNow = 0, + clockSkew = 0, + clock = typeof performance === "object" && performance.now ? performance : Date, + setFrame = typeof window === "object" && window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : function(f) { setTimeout(f, 17); }; -function textInterpolate(i) { - return function(t) { - this.textContent = i.call(this, t); - }; +function now() { + return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); } -function textTween(value) { - var t0, i0; - function tween() { - var i = value.apply(this, arguments); - if (i !== i0) t0 = (i0 = i) && textInterpolate(i); - return t0; - } - tween._value = value; - return tween; +function clearNow() { + clockNow = 0; } -function transition_textTween(value) { - var key = "text"; - if (arguments.length < 1) return (key = this.tween(key)) && key._value; - if (value == null) return this.tween(key, null); - if (typeof value !== "function") throw new Error; - return this.tween(key, textTween(value)); +function Timer() { + this._call = + this._time = + this._next = null; } -function transition_transition() { - var name = this._name, - id0 = this._id, - id1 = newId(); - - for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - var inherit = get(node, id0); - schedule(node, name, id1, i, group, { - time: inherit.time + inherit.delay + inherit.duration, - delay: 0, - duration: inherit.duration, - ease: inherit.ease - }); - } +Timer.prototype = timer.prototype = { + constructor: Timer, + restart: function(callback, delay, time) { + if (typeof callback !== "function") throw new TypeError("callback is not a function"); + time = (time == null ? now() : +time) + (delay == null ? 0 : +delay); + if (!this._next && taskTail !== this) { + if (taskTail) taskTail._next = this; + else taskHead = this; + taskTail = this; + } + this._call = callback; + this._time = time; + sleep(); + }, + stop: function() { + if (this._call) { + this._call = null; + this._time = Infinity; + sleep(); } } +}; - return new Transition(groups, this._parents, name, id1); +function timer(callback, delay, time) { + var t = new Timer; + t.restart(callback, delay, time); + return t; } -function transition_end() { - var on0, on1, that = this, id = that._id, size = that.size(); - return new Promise(function(resolve, reject) { - var cancel = {value: reject}, - end = {value: function() { if (--size === 0) resolve(); }}; - - that.each(function() { - var schedule = set(this, id), - on = schedule.on; - - // If this node shared a dispatch with the previous node, - // just assign the updated shared dispatch and we’re done! - // Otherwise, copy-on-write. - if (on !== on0) { - on1 = (on0 = on).copy(); - on1._.cancel.push(cancel); - on1._.interrupt.push(cancel); - on1._.end.push(end); - } - - schedule.on = on1; - }); +function timerFlush() { + now(); // Get the current time, if not already set. + ++frame; // Pretend we’ve set an alarm, if we haven’t already. + var t = taskHead, e; + while (t) { + if ((e = clockNow - t._time) >= 0) t._call.call(null, e); + t = t._next; + } + --frame; +} - // The selection was empty, resolve end immediately - if (size === 0) resolve(); - }); +function wake() { + clockNow = (clockLast = clock.now()) + clockSkew; + frame = timeout = 0; + try { + timerFlush(); + } finally { + frame = 0; + nap(); + clockNow = 0; + } } -var id = 0; +function poke() { + var now = clock.now(), delay = now - clockLast; + if (delay > pokeDelay) clockSkew -= delay, clockLast = now; +} -function Transition(groups, parents, name, id) { - this._groups = groups; - this._parents = parents; - this._name = name; - this._id = id; +function nap() { + var t0, t1 = taskHead, t2, time = Infinity; + while (t1) { + if (t1._call) { + if (time > t1._time) time = t1._time; + t0 = t1, t1 = t1._next; + } else { + t2 = t1._next, t1._next = null; + t1 = t0 ? t0._next = t2 : taskHead = t2; + } + } + taskTail = t0; + sleep(time); } -function transition(name) { - return d3Selection.selection().transition(name); +function sleep(time) { + if (frame) return; // Soonest alarm already set, or will be. + if (timeout) timeout = clearTimeout(timeout); + var delay = time - clockNow; // Strictly less than if we recomputed clockNow. + if (delay > 24) { + if (time < Infinity) timeout = setTimeout(wake, time - clock.now() - clockSkew); + if (interval) interval = clearInterval(interval); + } else { + if (!interval) clockLast = clock.now(), interval = setInterval(poke, pokeDelay); + frame = 1, setFrame(wake); + } } -function newId() { - return ++id; +function timeout$1(callback, delay, time) { + var t = new Timer; + delay = delay == null ? 0 : +delay; + t.restart(elapsed => { + t.stop(); + callback(elapsed + delay); + }, delay, time); + return t; } -var selection_prototype = d3Selection.selection.prototype; +function interval$1(callback, delay, time) { + var t = new Timer, total = delay; + if (delay == null) return t.restart(callback, delay, time), t; + t._restart = t.restart; + t.restart = function(callback, delay, time) { + delay = +delay, time = time == null ? now() : +time; + t._restart(function tick(elapsed) { + elapsed += total; + t._restart(tick, total += delay, time); + callback(elapsed); + }, delay, time); + }; + t.restart(callback, delay, time); + return t; +} -Transition.prototype = transition.prototype = { - constructor: Transition, - select: transition_select, - selectAll: transition_selectAll, - filter: transition_filter, - merge: transition_merge, - selection: transition_selection, - transition: transition_transition, - call: selection_prototype.call, - nodes: selection_prototype.nodes, - node: selection_prototype.node, - size: selection_prototype.size, - empty: selection_prototype.empty, - each: selection_prototype.each, - on: transition_on, - attr: transition_attr, - attrTween: transition_attrTween, - style: transition_style, - styleTween: transition_styleTween, - text: transition_text, - textTween: transition_textTween, - remove: transition_remove, - tween: transition_tween, - delay: transition_delay, - duration: transition_duration, - ease: transition_ease, - easeVarying: transition_easeVarying, - end: transition_end, - [Symbol.iterator]: selection_prototype[Symbol.iterator] -}; +exports.interval = interval$1; +exports.now = now; +exports.timeout = timeout$1; +exports.timer = timer; +exports.timerFlush = timerFlush; -var defaultTiming = { - time: null, // Set on use. - delay: 0, - duration: 250, - ease: d3Ease.easeCubicInOut -}; +Object.defineProperty(exports, '__esModule', { value: true }); -function inherit(node, id) { - var timing; - while (!(timing = node.__transition) || !(timing = timing[id])) { - if (!(node = node.parentNode)) { - throw new Error(`transition ${id} not found`); - } - } - return timing; +})); +}); + +var d3Ease = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-ease/ v2.0.0 Copyright 2020 Mike Bostock +(function (global, factory) { +factory(exports) ; +}(commonjsGlobal, function (exports) { +const linear = t => +t; + +function quadIn(t) { + return t * t; } -function selection_transition(name) { - var id, - timing; +function quadOut(t) { + return t * (2 - t); +} - if (name instanceof Transition) { - id = name._id, name = name._name; - } else { - id = newId(), (timing = defaultTiming).time = d3Timer.now(), name = name == null ? null : name + ""; - } +function quadInOut(t) { + return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2; +} - for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - schedule(node, name, id, i, group, timing || inherit(node, id)); - } - } - } +function cubicIn(t) { + return t * t * t; +} - return new Transition(groups, this._parents, name, id); +function cubicOut(t) { + return --t * t * t + 1; } -d3Selection.selection.prototype.interrupt = selection_interrupt; -d3Selection.selection.prototype.transition = selection_transition; +function cubicInOut(t) { + return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; +} -var root = [null]; +var exponent = 3; -function active(node, name) { - var schedules = node.__transition, - schedule, - i; +var polyIn = (function custom(e) { + e = +e; - if (schedules) { - name = name == null ? null : name + ""; - for (i in schedules) { - if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { - return new Transition([[node]], root, name, +i); - } - } + function polyIn(t) { + return Math.pow(t, e); } - return null; -} + polyIn.exponent = custom; -exports.active = active; -exports.interrupt = interrupt; -exports.transition = transition; + return polyIn; +})(exponent); -Object.defineProperty(exports, '__esModule', { value: true }); +var polyOut = (function custom(e) { + e = +e; -})); -}); + function polyOut(t) { + return 1 - Math.pow(1 - t, e); + } -var d3Brush = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-brush/ v2.1.0 Copyright 2020 Mike Bostock -(function (global, factory) { -factory(exports, d3Dispatch, d3Drag, d3Interpolate, d3Selection, d3Transition) ; -}(commonjsGlobal, function (exports, d3Dispatch, d3Drag, d3Interpolate, d3Selection, d3Transition) { -var constant = x => () => x; + polyOut.exponent = custom; -function BrushEvent(type, { - sourceEvent, - target, - selection, - mode, - dispatch -}) { - Object.defineProperties(this, { - type: {value: type, enumerable: true, configurable: true}, - sourceEvent: {value: sourceEvent, enumerable: true, configurable: true}, - target: {value: target, enumerable: true, configurable: true}, - selection: {value: selection, enumerable: true, configurable: true}, - mode: {value: mode, enumerable: true, configurable: true}, - _: {value: dispatch} - }); + return polyOut; +})(exponent); + +var polyInOut = (function custom(e) { + e = +e; + + function polyInOut(t) { + return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2; + } + + polyInOut.exponent = custom; + + return polyInOut; +})(exponent); + +var pi = Math.PI, + halfPi = pi / 2; + +function sinIn(t) { + return (+t === 1) ? 1 : 1 - Math.cos(t * halfPi); } -function nopropagation(event) { - event.stopImmediatePropagation(); +function sinOut(t) { + return Math.sin(t * halfPi); } -function noevent(event) { - event.preventDefault(); - event.stopImmediatePropagation(); +function sinInOut(t) { + return (1 - Math.cos(pi * t)) / 2; } -var MODE_DRAG = {name: "drag"}, - MODE_SPACE = {name: "space"}, - MODE_HANDLE = {name: "handle"}, - MODE_CENTER = {name: "center"}; +// tpmt is two power minus ten times t scaled to [0,1] +function tpmt(x) { + return (Math.pow(2, -10 * x) - 0.0009765625) * 1.0009775171065494; +} -const {abs, max, min} = Math; +function expIn(t) { + return tpmt(1 - +t); +} -function number1(e) { - return [+e[0], +e[1]]; +function expOut(t) { + return 1 - tpmt(t); } -function number2(e) { - return [number1(e[0]), number1(e[1])]; +function expInOut(t) { + return ((t *= 2) <= 1 ? tpmt(1 - t) : 2 - tpmt(t - 1)) / 2; } -var X = { - name: "x", - handles: ["w", "e"].map(type), - input: function(x, e) { return x == null ? null : [[+x[0], e[0][1]], [+x[1], e[1][1]]]; }, - output: function(xy) { return xy && [xy[0][0], xy[1][0]]; } -}; +function circleIn(t) { + return 1 - Math.sqrt(1 - t * t); +} -var Y = { - name: "y", - handles: ["n", "s"].map(type), - input: function(y, e) { return y == null ? null : [[e[0][0], +y[0]], [e[1][0], +y[1]]]; }, - output: function(xy) { return xy && [xy[0][1], xy[1][1]]; } -}; +function circleOut(t) { + return Math.sqrt(1 - --t * t); +} -var XY = { - name: "xy", - handles: ["n", "w", "e", "s", "nw", "ne", "sw", "se"].map(type), - input: function(xy) { return xy == null ? null : number2(xy); }, - output: function(xy) { return xy; } -}; +function circleInOut(t) { + return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2; +} -var cursors = { - overlay: "crosshair", - selection: "move", - n: "ns-resize", - e: "ew-resize", - s: "ns-resize", - w: "ew-resize", - nw: "nwse-resize", - ne: "nesw-resize", - se: "nwse-resize", - sw: "nesw-resize" -}; +var b1 = 4 / 11, + b2 = 6 / 11, + b3 = 8 / 11, + b4 = 3 / 4, + b5 = 9 / 11, + b6 = 10 / 11, + b7 = 15 / 16, + b8 = 21 / 22, + b9 = 63 / 64, + b0 = 1 / b1 / b1; -var flipX = { - e: "w", - w: "e", - nw: "ne", - ne: "nw", - se: "sw", - sw: "se" -}; +function bounceIn(t) { + return 1 - bounceOut(1 - t); +} -var flipY = { - n: "s", - s: "n", - nw: "sw", - ne: "se", - se: "ne", - sw: "nw" -}; - -var signsX = { - overlay: +1, - selection: +1, - n: null, - e: +1, - s: null, - w: -1, - nw: -1, - ne: +1, - se: +1, - sw: -1 -}; - -var signsY = { - overlay: +1, - selection: +1, - n: -1, - e: null, - s: +1, - w: null, - nw: -1, - ne: -1, - se: +1, - sw: +1 -}; - -function type(t) { - return {type: t}; +function bounceOut(t) { + return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9; } -// Ignore right-click, since that should open the context menu. -function defaultFilter(event) { - return !event.ctrlKey && !event.button; +function bounceInOut(t) { + return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2; } -function defaultExtent() { - var svg = this.ownerSVGElement || this; - if (svg.hasAttribute("viewBox")) { - svg = svg.viewBox.baseVal; - return [[svg.x, svg.y], [svg.x + svg.width, svg.y + svg.height]]; - } - return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]]; -} +var overshoot = 1.70158; -function defaultTouchable() { - return navigator.maxTouchPoints || ("ontouchstart" in this); -} +var backIn = (function custom(s) { + s = +s; -// Like d3.local, but with the name “__brush” rather than auto-generated. -function local(node) { - while (!node.__brush) if (!(node = node.parentNode)) return; - return node.__brush; -} + function backIn(t) { + return (t = +t) * t * (s * (t - 1) + t); + } -function empty(extent) { - return extent[0][0] === extent[1][0] - || extent[0][1] === extent[1][1]; -} + backIn.overshoot = custom; -function brushSelection(node) { - var state = node.__brush; - return state ? state.dim.output(state.selection) : null; -} + return backIn; +})(overshoot); -function brushX() { - return brush$1(X); -} +var backOut = (function custom(s) { + s = +s; -function brushY() { - return brush$1(Y); -} + function backOut(t) { + return --t * t * ((t + 1) * s + t) + 1; + } -function brush() { - return brush$1(XY); -} + backOut.overshoot = custom; -function brush$1(dim) { - var extent = defaultExtent, - filter = defaultFilter, - touchable = defaultTouchable, - keys = true, - listeners = d3Dispatch.dispatch("start", "brush", "end"), - handleSize = 6, - touchending; + return backOut; +})(overshoot); - function brush(group) { - var overlay = group - .property("__brush", initialize) - .selectAll(".overlay") - .data([type("overlay")]); +var backInOut = (function custom(s) { + s = +s; - overlay.enter().append("rect") - .attr("class", "overlay") - .attr("pointer-events", "all") - .attr("cursor", cursors.overlay) - .merge(overlay) - .each(function() { - var extent = local(this).extent; - d3Selection.select(this) - .attr("x", extent[0][0]) - .attr("y", extent[0][1]) - .attr("width", extent[1][0] - extent[0][0]) - .attr("height", extent[1][1] - extent[0][1]); - }); + function backInOut(t) { + return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2; + } - group.selectAll(".selection") - .data([type("selection")]) - .enter().append("rect") - .attr("class", "selection") - .attr("cursor", cursors.selection) - .attr("fill", "#777") - .attr("fill-opacity", 0.3) - .attr("stroke", "#fff") - .attr("shape-rendering", "crispEdges"); + backInOut.overshoot = custom; - var handle = group.selectAll(".handle") - .data(dim.handles, function(d) { return d.type; }); + return backInOut; +})(overshoot); - handle.exit().remove(); +var tau = 2 * Math.PI, + amplitude = 1, + period = 0.3; - handle.enter().append("rect") - .attr("class", function(d) { return "handle handle--" + d.type; }) - .attr("cursor", function(d) { return cursors[d.type]; }); +var elasticIn = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); - group - .each(redraw) - .attr("fill", "none") - .attr("pointer-events", "all") - .on("mousedown.brush", started) - .filter(touchable) - .on("touchstart.brush", started) - .on("touchmove.brush", touchmoved) - .on("touchend.brush touchcancel.brush", touchended) - .style("touch-action", "none") - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); + function elasticIn(t) { + return a * tpmt(-(--t)) * Math.sin((s - t) / p); } - brush.move = function(group, selection) { - if (group.tween) { - group - .on("start.brush", function(event) { emitter(this, arguments).beforestart().start(event); }) - .on("interrupt.brush end.brush", function(event) { emitter(this, arguments).end(event); }) - .tween("brush", function() { - var that = this, - state = that.__brush, - emit = emitter(that, arguments), - selection0 = state.selection, - selection1 = dim.input(typeof selection === "function" ? selection.apply(this, arguments) : selection, state.extent), - i = d3Interpolate.interpolate(selection0, selection1); - - function tween(t) { - state.selection = t === 1 && selection1 === null ? null : i(t); - redraw.call(that); - emit.brush(); - } - - return selection0 !== null && selection1 !== null ? tween : tween(1); - }); - } else { - group - .each(function() { - var that = this, - args = arguments, - state = that.__brush, - selection1 = dim.input(typeof selection === "function" ? selection.apply(that, args) : selection, state.extent), - emit = emitter(that, args).beforestart(); + elasticIn.amplitude = function(a) { return custom(a, p * tau); }; + elasticIn.period = function(p) { return custom(a, p); }; - d3Transition.interrupt(that); - state.selection = selection1 === null ? null : selection1; - redraw.call(that); - emit.start().brush().end(); - }); - } - }; + return elasticIn; +})(amplitude, period); - brush.clear = function(group) { - brush.move(group, null); - }; +var elasticOut = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); - function redraw() { - var group = d3Selection.select(this), - selection = local(this).selection; + function elasticOut(t) { + return 1 - a * tpmt(t = +t) * Math.sin((t + s) / p); + } - if (selection) { - group.selectAll(".selection") - .style("display", null) - .attr("x", selection[0][0]) - .attr("y", selection[0][1]) - .attr("width", selection[1][0] - selection[0][0]) - .attr("height", selection[1][1] - selection[0][1]); + elasticOut.amplitude = function(a) { return custom(a, p * tau); }; + elasticOut.period = function(p) { return custom(a, p); }; - group.selectAll(".handle") - .style("display", null) - .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection[1][0] - handleSize / 2 : selection[0][0] - handleSize / 2; }) - .attr("y", function(d) { return d.type[0] === "s" ? selection[1][1] - handleSize / 2 : selection[0][1] - handleSize / 2; }) - .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection[1][0] - selection[0][0] + handleSize : handleSize; }) - .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection[1][1] - selection[0][1] + handleSize : handleSize; }); - } + return elasticOut; +})(amplitude, period); - else { - group.selectAll(".selection,.handle") - .style("display", "none") - .attr("x", null) - .attr("y", null) - .attr("width", null) - .attr("height", null); - } - } +var elasticInOut = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); - function emitter(that, args, clean) { - var emit = that.__brush.emitter; - return emit && (!clean || !emit.clean) ? emit : new Emitter(that, args, clean); + function elasticInOut(t) { + return ((t = t * 2 - 1) < 0 + ? a * tpmt(-t) * Math.sin((s - t) / p) + : 2 - a * tpmt(t) * Math.sin((s + t) / p)) / 2; } - function Emitter(that, args, clean) { - this.that = that; - this.args = args; - this.state = that.__brush; - this.active = 0; - this.clean = clean; - } + elasticInOut.amplitude = function(a) { return custom(a, p * tau); }; + elasticInOut.period = function(p) { return custom(a, p); }; - Emitter.prototype = { - beforestart: function() { - if (++this.active === 1) this.state.emitter = this, this.starting = true; - return this; - }, - start: function(event, mode) { - if (this.starting) this.starting = false, this.emit("start", event, mode); - else this.emit("brush", event); - return this; - }, - brush: function(event, mode) { - this.emit("brush", event, mode); - return this; - }, - end: function(event, mode) { - if (--this.active === 0) delete this.state.emitter, this.emit("end", event, mode); - return this; - }, - emit: function(type, event, mode) { - var d = d3Selection.select(this.that).datum(); - listeners.call( - type, - this.that, - new BrushEvent(type, { - sourceEvent: event, - target: brush, - selection: dim.output(this.state.selection), - mode, - dispatch: listeners - }), - d - ); - } - }; + return elasticInOut; +})(amplitude, period); - function started(event) { - if (touchending && !event.touches) return; - if (!filter.apply(this, arguments)) return; +exports.easeBack = backInOut; +exports.easeBackIn = backIn; +exports.easeBackInOut = backInOut; +exports.easeBackOut = backOut; +exports.easeBounce = bounceOut; +exports.easeBounceIn = bounceIn; +exports.easeBounceInOut = bounceInOut; +exports.easeBounceOut = bounceOut; +exports.easeCircle = circleInOut; +exports.easeCircleIn = circleIn; +exports.easeCircleInOut = circleInOut; +exports.easeCircleOut = circleOut; +exports.easeCubic = cubicInOut; +exports.easeCubicIn = cubicIn; +exports.easeCubicInOut = cubicInOut; +exports.easeCubicOut = cubicOut; +exports.easeElastic = elasticOut; +exports.easeElasticIn = elasticIn; +exports.easeElasticInOut = elasticInOut; +exports.easeElasticOut = elasticOut; +exports.easeExp = expInOut; +exports.easeExpIn = expIn; +exports.easeExpInOut = expInOut; +exports.easeExpOut = expOut; +exports.easeLinear = linear; +exports.easePoly = polyInOut; +exports.easePolyIn = polyIn; +exports.easePolyInOut = polyInOut; +exports.easePolyOut = polyOut; +exports.easeQuad = quadInOut; +exports.easeQuadIn = quadIn; +exports.easeQuadInOut = quadInOut; +exports.easeQuadOut = quadOut; +exports.easeSin = sinInOut; +exports.easeSinIn = sinIn; +exports.easeSinInOut = sinInOut; +exports.easeSinOut = sinOut; - var that = this, - type = event.target.__data__.type, - mode = (keys && event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (keys && event.altKey ? MODE_CENTER : MODE_HANDLE), - signX = dim === Y ? null : signsX[type], - signY = dim === X ? null : signsY[type], - state = local(that), - extent = state.extent, - selection = state.selection, - W = extent[0][0], w0, w1, - N = extent[0][1], n0, n1, - E = extent[1][0], e0, e1, - S = extent[1][1], s0, s1, - dx = 0, - dy = 0, - moving, - shifting = signX && signY && keys && event.shiftKey, - lockX, - lockY, - points = Array.from(event.touches || [event], t => { - const i = t.identifier; - t = d3Selection.pointer(t, that); - t.point0 = t.slice(); - t.identifier = i; - return t; - }); +Object.defineProperty(exports, '__esModule', { value: true }); - if (type === "overlay") { - if (selection) moving = true; - const pts = [points[0], points[1] || points[0]]; - state.selection = selection = [[ - w0 = dim === Y ? W : min(pts[0][0], pts[1][0]), - n0 = dim === X ? N : min(pts[0][1], pts[1][1]) - ], [ - e0 = dim === Y ? E : max(pts[0][0], pts[1][0]), - s0 = dim === X ? S : max(pts[0][1], pts[1][1]) - ]]; - if (points.length > 1) move(); - } else { - w0 = selection[0][0]; - n0 = selection[0][1]; - e0 = selection[1][0]; - s0 = selection[1][1]; - } +})); +}); - w1 = w0; - n1 = n0; - e1 = e0; - s1 = s0; +var d3Transition = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-transition/ v2.0.0 Copyright 2020 Mike Bostock +(function (global, factory) { +factory(exports, d3Selection, d3Dispatch, d3Timer, d3Interpolate, d3Color, d3Ease) ; +}(commonjsGlobal, function (exports, d3Selection, d3Dispatch, d3Timer, d3Interpolate, d3Color, d3Ease) { +var emptyOn = d3Dispatch.dispatch("start", "end", "cancel", "interrupt"); +var emptyTween = []; - var group = d3Selection.select(that) - .attr("pointer-events", "none"); +var CREATED = 0; +var SCHEDULED = 1; +var STARTING = 2; +var STARTED = 3; +var RUNNING = 4; +var ENDING = 5; +var ENDED = 6; - var overlay = group.selectAll(".overlay") - .attr("cursor", cursors[type]); +function schedule(node, name, id, index, group, timing) { + var schedules = node.__transition; + if (!schedules) node.__transition = {}; + else if (id in schedules) return; + create(node, id, { + name: name, + index: index, // For context during callback. + group: group, // For context during callback. + on: emptyOn, + tween: emptyTween, + time: timing.time, + delay: timing.delay, + duration: timing.duration, + ease: timing.ease, + timer: null, + state: CREATED + }); +} - d3Transition.interrupt(that); - var emit = emitter(that, arguments, true).beforestart(); +function init(node, id) { + var schedule = get(node, id); + if (schedule.state > CREATED) throw new Error("too late; already scheduled"); + return schedule; +} - if (event.touches) { - emit.moved = moved; - emit.ended = ended; - } else { - var view = d3Selection.select(event.view) - .on("mousemove.brush", moved, true) - .on("mouseup.brush", ended, true); - if (keys) view - .on("keydown.brush", keydowned, true) - .on("keyup.brush", keyupped, true); +function set(node, id) { + var schedule = get(node, id); + if (schedule.state > STARTED) throw new Error("too late; already running"); + return schedule; +} - d3Drag.dragDisable(event.view); - } +function get(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id])) throw new Error("transition not found"); + return schedule; +} - redraw.call(that); - emit.start(event, mode.name); +function create(node, id, self) { + var schedules = node.__transition, + tween; - function moved(event) { - for (const p of event.changedTouches || [event]) { - for (const d of points) - if (d.identifier === p.identifier) d.cur = d3Selection.pointer(p, that); - } - if (shifting && !lockX && !lockY && points.length === 1) { - const point = points[0]; - if (abs(point.cur[0] - point[0]) > abs(point.cur[1] - point[1])) - lockY = true; - else - lockX = true; - } - for (const point of points) - if (point.cur) point[0] = point.cur[0], point[1] = point.cur[1]; - moving = true; - noevent(event); - move(event); - } + // Initialize the self timer when the transition is created. + // Note the actual delay is not known until the first callback! + schedules[id] = self; + self.timer = d3Timer.timer(schedule, 0, self.time); - function move(event) { - const point = points[0], point0 = point.point0; - var t; + function schedule(elapsed) { + self.state = SCHEDULED; + self.timer.restart(start, self.delay, self.time); - dx = point[0] - point0[0]; - dy = point[1] - point0[1]; + // If the elapsed delay is less than our first sleep, start immediately. + if (self.delay <= elapsed) start(elapsed - self.delay); + } - switch (mode) { - case MODE_SPACE: - case MODE_DRAG: { - if (signX) dx = max(W - w0, min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; - if (signY) dy = max(N - n0, min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; - break; - } - case MODE_HANDLE: { - if (points[1]) { - if (signX) w1 = max(W, min(E, points[0][0])), e1 = max(W, min(E, points[1][0])), signX = 1; - if (signY) n1 = max(N, min(S, points[0][1])), s1 = max(N, min(S, points[1][1])), signY = 1; - } else { - if (signX < 0) dx = max(W - w0, min(E - w0, dx)), w1 = w0 + dx, e1 = e0; - else if (signX > 0) dx = max(W - e0, min(E - e0, dx)), w1 = w0, e1 = e0 + dx; - if (signY < 0) dy = max(N - n0, min(S - n0, dy)), n1 = n0 + dy, s1 = s0; - else if (signY > 0) dy = max(N - s0, min(S - s0, dy)), n1 = n0, s1 = s0 + dy; - } - break; - } - case MODE_CENTER: { - if (signX) w1 = max(W, min(E, w0 - dx * signX)), e1 = max(W, min(E, e0 + dx * signX)); - if (signY) n1 = max(N, min(S, n0 - dy * signY)), s1 = max(N, min(S, s0 + dy * signY)); - break; - } - } + function start(elapsed) { + var i, j, n, o; - if (e1 < w1) { - signX *= -1; - t = w0, w0 = e0, e0 = t; - t = w1, w1 = e1, e1 = t; - if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]); - } + // If the state is not SCHEDULED, then we previously errored on start. + if (self.state !== SCHEDULED) return stop(); - if (s1 < n1) { - signY *= -1; - t = n0, n0 = s0, s0 = t; - t = n1, n1 = s1, s1 = t; - if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); - } + for (i in schedules) { + o = schedules[i]; + if (o.name !== self.name) continue; - if (state.selection) selection = state.selection; // May be set by brush.move! - if (lockX) w1 = selection[0][0], e1 = selection[1][0]; - if (lockY) n1 = selection[0][1], s1 = selection[1][1]; + // While this element already has a starting transition during this frame, + // defer starting an interrupting transition until that transition has a + // chance to tick (and possibly end); see d3/d3-transition#54! + if (o.state === STARTED) return d3Timer.timeout(start); - if (selection[0][0] !== w1 - || selection[0][1] !== n1 - || selection[1][0] !== e1 - || selection[1][1] !== s1) { - state.selection = [[w1, n1], [e1, s1]]; - redraw.call(that); - emit.brush(event, mode.name); + // Interrupt the active transition, if any. + if (o.state === RUNNING) { + o.state = ENDED; + o.timer.stop(); + o.on.call("interrupt", node, node.__data__, o.index, o.group); + delete schedules[i]; } - } - function ended(event) { - nopropagation(event); - if (event.touches) { - if (event.touches.length) return; - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! - } else { - d3Drag.dragEnable(event.view, moving); - view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); + // Cancel any pre-empted transitions. + else if (+i < id) { + o.state = ENDED; + o.timer.stop(); + o.on.call("cancel", node, node.__data__, o.index, o.group); + delete schedules[i]; } - group.attr("pointer-events", "all"); - overlay.attr("cursor", cursors.overlay); - if (state.selection) selection = state.selection; // May be set by brush.move (on start)! - if (empty(selection)) state.selection = null, redraw.call(that); - emit.end(event, mode.name); } - function keydowned(event) { - switch (event.keyCode) { - case 16: { // SHIFT - shifting = signX && signY; - break; - } - case 18: { // ALT - if (mode === MODE_HANDLE) { - if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; - if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; - mode = MODE_CENTER; - move(); - } - break; - } - case 32: { // SPACE; takes priority over ALT - if (mode === MODE_HANDLE || mode === MODE_CENTER) { - if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx; - if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy; - mode = MODE_SPACE; - overlay.attr("cursor", cursors.selection); - move(); - } - break; - } - default: return; + // Defer the first tick to end of the current frame; see d3/d3#1576. + // Note the transition may be canceled after start and before the first tick! + // Note this must be scheduled before the start event; see d3/d3-transition#16! + // Assuming this is successful, subsequent callbacks go straight to tick. + d3Timer.timeout(function() { + if (self.state === STARTED) { + self.state = RUNNING; + self.timer.restart(tick, self.delay, self.time); + tick(elapsed); } - noevent(event); - } + }); - function keyupped(event) { - switch (event.keyCode) { - case 16: { // SHIFT - if (shifting) { - lockX = lockY = shifting = false; - move(); - } - break; - } - case 18: { // ALT - if (mode === MODE_CENTER) { - if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; - if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; - mode = MODE_HANDLE; - move(); - } - break; - } - case 32: { // SPACE - if (mode === MODE_SPACE) { - if (event.altKey) { - if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; - if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; - mode = MODE_CENTER; - } else { - if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; - if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; - mode = MODE_HANDLE; - } - overlay.attr("cursor", cursors[type]); - move(); - } - break; - } - default: return; + // Dispatch the start event. + // Note this must be done before the tween are initialized. + self.state = STARTING; + self.on.call("start", node, node.__data__, self.index, self.group); + if (self.state !== STARTING) return; // interrupted + self.state = STARTED; + + // Initialize the tween, deleting null tween. + tween = new Array(n = self.tween.length); + for (i = 0, j = -1; i < n; ++i) { + if (o = self.tween[i].value.call(node, node.__data__, self.index, self.group)) { + tween[++j] = o; } - noevent(event); } + tween.length = j + 1; } - function touchmoved(event) { - emitter(this, arguments).moved(event); - } + function tick(elapsed) { + var t = elapsed < self.duration ? self.ease.call(null, elapsed / self.duration) : (self.timer.restart(stop), self.state = ENDING, 1), + i = -1, + n = tween.length; - function touchended(event) { - emitter(this, arguments).ended(event); - } + while (++i < n) { + tween[i].call(node, t); + } - function initialize() { - var state = this.__brush || {selection: null}; - state.extent = number2(extent.apply(this, arguments)); - state.dim = dim; - return state; + // Dispatch the end event. + if (self.state === ENDING) { + self.on.call("end", node, node.__data__, self.index, self.group); + stop(); + } } - brush.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant(number2(_)), brush) : extent; - }; - - brush.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant(!!_), brush) : filter; - }; + function stop() { + self.state = ENDED; + self.timer.stop(); + delete schedules[id]; + for (var i in schedules) return; // eslint-disable-line no-unused-vars + delete node.__transition; + } +} - brush.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant(!!_), brush) : touchable; - }; +function interrupt(node, name) { + var schedules = node.__transition, + schedule, + active, + empty = true, + i; - brush.handleSize = function(_) { - return arguments.length ? (handleSize = +_, brush) : handleSize; - }; + if (!schedules) return; - brush.keyModifiers = function(_) { - return arguments.length ? (keys = !!_, brush) : keys; - }; + name = name == null ? null : name + ""; - brush.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? brush : value; - }; + for (i in schedules) { + if ((schedule = schedules[i]).name !== name) { empty = false; continue; } + active = schedule.state > STARTING && schedule.state < ENDING; + schedule.state = ENDED; + schedule.timer.stop(); + schedule.on.call(active ? "interrupt" : "cancel", node, node.__data__, schedule.index, schedule.group); + delete schedules[i]; + } - return brush; + if (empty) delete node.__transition; } -exports.brush = brush; -exports.brushSelection = brushSelection; -exports.brushX = brushX; -exports.brushY = brushY; +function selection_interrupt(name) { + return this.each(function() { + interrupt(this, name); + }); +} -Object.defineProperty(exports, '__esModule', { value: true }); +function tweenRemove(id, name) { + var tween0, tween1; + return function() { + var schedule = set(this, id), + tween = schedule.tween; -})); -}); + // If this node shared tween with the previous node, + // just assign the updated shared tween and we’re done! + // Otherwise, copy-on-write. + if (tween !== tween0) { + tween1 = tween0 = tween; + for (var i = 0, n = tween1.length; i < n; ++i) { + if (tween1[i].name === name) { + tween1 = tween1.slice(); + tween1.splice(i, 1); + break; + } + } + } -var d3Path = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-path/ v2.0.0 Copyright 2020 Mike Bostock -(function (global, factory) { -factory(exports) ; -}(commonjsGlobal, function (exports) { -const pi = Math.PI, - tau = 2 * pi, - epsilon = 1e-6, - tauEpsilon = tau - epsilon; + schedule.tween = tween1; + }; +} -function Path() { - this._x0 = this._y0 = // start of current subpath - this._x1 = this._y1 = null; // end of current subpath - this._ = ""; -} - -function path() { - return new Path; -} - -Path.prototype = path.prototype = { - constructor: Path, - moveTo: function(x, y) { - this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y); - }, - closePath: function() { - if (this._x1 !== null) { - this._x1 = this._x0, this._y1 = this._y0; - this._ += "Z"; - } - }, - lineTo: function(x, y) { - this._ += "L" + (this._x1 = +x) + "," + (this._y1 = +y); - }, - quadraticCurveTo: function(x1, y1, x, y) { - this._ += "Q" + (+x1) + "," + (+y1) + "," + (this._x1 = +x) + "," + (this._y1 = +y); - }, - bezierCurveTo: function(x1, y1, x2, y2, x, y) { - this._ += "C" + (+x1) + "," + (+y1) + "," + (+x2) + "," + (+y2) + "," + (this._x1 = +x) + "," + (this._y1 = +y); - }, - arcTo: function(x1, y1, x2, y2, r) { - x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; - var x0 = this._x1, - y0 = this._y1, - x21 = x2 - x1, - y21 = y2 - y1, - x01 = x0 - x1, - y01 = y0 - y1, - l01_2 = x01 * x01 + y01 * y01; - - // Is the radius negative? Error. - if (r < 0) throw new Error("negative radius: " + r); +function tweenFunction(id, name, value) { + var tween0, tween1; + if (typeof value !== "function") throw new Error; + return function() { + var schedule = set(this, id), + tween = schedule.tween; - // Is this path empty? Move to (x1,y1). - if (this._x1 === null) { - this._ += "M" + (this._x1 = x1) + "," + (this._y1 = y1); + // If this node shared tween with the previous node, + // just assign the updated shared tween and we’re done! + // Otherwise, copy-on-write. + if (tween !== tween0) { + tween1 = (tween0 = tween).slice(); + for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) { + if (tween1[i].name === name) { + tween1[i] = t; + break; + } + } + if (i === n) tween1.push(t); } - // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. - else if (!(l01_2 > epsilon)); + schedule.tween = tween1; + }; +} - // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? - // Equivalently, is (x1,y1) coincident with (x2,y2)? - // Or, is the radius zero? Line to (x1,y1). - else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) { - this._ += "L" + (this._x1 = x1) + "," + (this._y1 = y1); - } +function transition_tween(name, value) { + var id = this._id; - // Otherwise, draw an arc! - else { - var x20 = x2 - x0, - y20 = y2 - y0, - l21_2 = x21 * x21 + y21 * y21, - l20_2 = x20 * x20 + y20 * y20, - l21 = Math.sqrt(l21_2), - l01 = Math.sqrt(l01_2), - l = r * Math.tan((pi - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2), - t01 = l / l01, - t21 = l / l21; + name += ""; - // If the start tangent is not coincident with (x0,y0), line to. - if (Math.abs(t01 - 1) > epsilon) { - this._ += "L" + (x1 + t01 * x01) + "," + (y1 + t01 * y01); + if (arguments.length < 2) { + var tween = get(this.node(), id).tween; + for (var i = 0, n = tween.length, t; i < n; ++i) { + if ((t = tween[i]).name === name) { + return t.value; } - - this._ += "A" + r + "," + r + ",0,0," + (+(y01 * x20 > x01 * y20)) + "," + (this._x1 = x1 + t21 * x21) + "," + (this._y1 = y1 + t21 * y21); - } - }, - arc: function(x, y, r, a0, a1, ccw) { - x = +x, y = +y, r = +r, ccw = !!ccw; - var dx = r * Math.cos(a0), - dy = r * Math.sin(a0), - x0 = x + dx, - y0 = y + dy, - cw = 1 ^ ccw, - da = ccw ? a0 - a1 : a1 - a0; - - // Is the radius negative? Error. - if (r < 0) throw new Error("negative radius: " + r); - - // Is this path empty? Move to (x0,y0). - if (this._x1 === null) { - this._ += "M" + x0 + "," + y0; - } - - // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). - else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) { - this._ += "L" + x0 + "," + y0; } + return null; + } - // Is this arc empty? We’re done. - if (!r) return; - - // Does the angle go the wrong way? Flip the direction. - if (da < 0) da = da % tau + tau; + return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); +} - // Is this a complete circle? Draw two arcs to complete the circle. - if (da > tauEpsilon) { - this._ += "A" + r + "," + r + ",0,1," + cw + "," + (x - dx) + "," + (y - dy) + "A" + r + "," + r + ",0,1," + cw + "," + (this._x1 = x0) + "," + (this._y1 = y0); - } +function tweenValue(transition, name, value) { + var id = transition._id; - // Is this arc non-empty? Draw an arc! - else if (da > epsilon) { - this._ += "A" + r + "," + r + ",0," + (+(da >= pi)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1)); - } - }, - rect: function(x, y, w, h) { - this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y) + "h" + (+w) + "v" + (+h) + "h" + (-w) + "Z"; - }, - toString: function() { - return this._; - } -}; + transition.each(function() { + var schedule = set(this, id); + (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); + }); -exports.path = path; + return function(node) { + return get(node, id).value[name]; + }; +} -Object.defineProperty(exports, '__esModule', { value: true }); +function interpolate(a, b) { + var c; + return (typeof b === "number" ? d3Interpolate.interpolateNumber + : b instanceof d3Color.color ? d3Interpolate.interpolateRgb + : (c = d3Color.color(b)) ? (b = c, d3Interpolate.interpolateRgb) + : d3Interpolate.interpolateString)(a, b); +} -})); -}); +function attrRemove(name) { + return function() { + this.removeAttribute(name); + }; +} -var d3Chord = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-chord/ v2.0.0 Copyright 2020 Mike Bostock -(function (global, factory) { -factory(exports, d3Path) ; -}(commonjsGlobal, function (exports, d3Path) { -var abs = Math.abs; -var cos = Math.cos; -var sin = Math.sin; -var pi = Math.PI; -var halfPi = pi / 2; -var tau = pi * 2; -var max = Math.max; -var epsilon = 1e-12; +function attrRemoveNS(fullname) { + return function() { + this.removeAttributeNS(fullname.space, fullname.local); + }; +} -function range(i, j) { - return Array.from({length: j - i}, (_, k) => i + k); +function attrConstant(name, interpolate, value1) { + var string00, + string1 = value1 + "", + interpolate0; + return function() { + var string0 = this.getAttribute(name); + return string0 === string1 ? null + : string0 === string00 ? interpolate0 + : interpolate0 = interpolate(string00 = string0, value1); + }; } -function compareValue(compare) { - return function(a, b) { - return compare( - a.source.value + a.target.value, - b.source.value + b.target.value - ); +function attrConstantNS(fullname, interpolate, value1) { + var string00, + string1 = value1 + "", + interpolate0; + return function() { + var string0 = this.getAttributeNS(fullname.space, fullname.local); + return string0 === string1 ? null + : string0 === string00 ? interpolate0 + : interpolate0 = interpolate(string00 = string0, value1); }; } -function chord() { - return chord$1(false, false); +function attrFunction(name, interpolate, value) { + var string00, + string10, + interpolate0; + return function() { + var string0, value1 = value(this), string1; + if (value1 == null) return void this.removeAttribute(name); + string0 = this.getAttribute(name); + string1 = value1 + ""; + return string0 === string1 ? null + : string0 === string00 && string1 === string10 ? interpolate0 + : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); + }; } -function chordTranspose() { - return chord$1(false, true); +function attrFunctionNS(fullname, interpolate, value) { + var string00, + string10, + interpolate0; + return function() { + var string0, value1 = value(this), string1; + if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); + string0 = this.getAttributeNS(fullname.space, fullname.local); + string1 = value1 + ""; + return string0 === string1 ? null + : string0 === string00 && string1 === string10 ? interpolate0 + : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); + }; } -function chordDirected() { - return chord$1(true, false); +function transition_attr(name, value) { + var fullname = d3Selection.namespace(name), i = fullname === "transform" ? d3Interpolate.interpolateTransformSvg : interpolate; + return this.attrTween(name, typeof value === "function" + ? (fullname.local ? attrFunctionNS : attrFunction)(fullname, i, tweenValue(this, "attr." + name, value)) + : value == null ? (fullname.local ? attrRemoveNS : attrRemove)(fullname) + : (fullname.local ? attrConstantNS : attrConstant)(fullname, i, value)); } -function chord$1(directed, transpose) { - var padAngle = 0, - sortGroups = null, - sortSubgroups = null, - sortChords = null; - - function chord(matrix) { - var n = matrix.length, - groupSums = new Array(n), - groupIndex = range(0, n), - chords = new Array(n * n), - groups = new Array(n), - k = 0, dx; - - matrix = Float64Array.from({length: n * n}, transpose - ? (_, i) => matrix[i % n][i / n | 0] - : (_, i) => matrix[i / n | 0][i % n]); +function attrInterpolate(name, i) { + return function(t) { + this.setAttribute(name, i.call(this, t)); + }; +} - // Compute the scaling factor from value to angle in [0, 2pi]. - for (let i = 0; i < n; ++i) { - let x = 0; - for (let j = 0; j < n; ++j) x += matrix[i * n + j] + directed * matrix[j * n + i]; - k += groupSums[i] = x; - } - k = max(0, tau - padAngle * n) / k; - dx = k ? padAngle : tau / n; +function attrInterpolateNS(fullname, i) { + return function(t) { + this.setAttributeNS(fullname.space, fullname.local, i.call(this, t)); + }; +} - // Compute the angles for each group and constituent chord. - { - let x = 0; - if (sortGroups) groupIndex.sort((a, b) => sortGroups(groupSums[a], groupSums[b])); - for (const i of groupIndex) { - const x0 = x; - if (directed) { - const subgroupIndex = range(~n + 1, n).filter(j => j < 0 ? matrix[~j * n + i] : matrix[i * n + j]); - if (sortSubgroups) subgroupIndex.sort((a, b) => sortSubgroups(a < 0 ? -matrix[~a * n + i] : matrix[i * n + a], b < 0 ? -matrix[~b * n + i] : matrix[i * n + b])); - for (const j of subgroupIndex) { - if (j < 0) { - const chord = chords[~j * n + i] || (chords[~j * n + i] = {source: null, target: null}); - chord.target = {index: i, startAngle: x, endAngle: x += matrix[~j * n + i] * k, value: matrix[~j * n + i]}; - } else { - const chord = chords[i * n + j] || (chords[i * n + j] = {source: null, target: null}); - chord.source = {index: i, startAngle: x, endAngle: x += matrix[i * n + j] * k, value: matrix[i * n + j]}; - } - } - groups[i] = {index: i, startAngle: x0, endAngle: x, value: groupSums[i]}; - } else { - const subgroupIndex = range(0, n).filter(j => matrix[i * n + j] || matrix[j * n + i]); - if (sortSubgroups) subgroupIndex.sort((a, b) => sortSubgroups(matrix[i * n + a], matrix[i * n + b])); - for (const j of subgroupIndex) { - let chord; - if (i < j) { - chord = chords[i * n + j] || (chords[i * n + j] = {source: null, target: null}); - chord.source = {index: i, startAngle: x, endAngle: x += matrix[i * n + j] * k, value: matrix[i * n + j]}; - } else { - chord = chords[j * n + i] || (chords[j * n + i] = {source: null, target: null}); - chord.target = {index: i, startAngle: x, endAngle: x += matrix[i * n + j] * k, value: matrix[i * n + j]}; - if (i === j) chord.source = chord.target; - } - if (chord.source && chord.target && chord.source.value < chord.target.value) { - const source = chord.source; - chord.source = chord.target; - chord.target = source; - } - } - groups[i] = {index: i, startAngle: x0, endAngle: x, value: groupSums[i]}; - } - x += dx; - } - } +function attrTweenNS(fullname, value) { + var t0, i0; + function tween() { + var i = value.apply(this, arguments); + if (i !== i0) t0 = (i0 = i) && attrInterpolateNS(fullname, i); + return t0; + } + tween._value = value; + return tween; +} - // Remove empty chords. - chords = Object.values(chords); - chords.groups = groups; - return sortChords ? chords.sort(sortChords) : chords; +function attrTween(name, value) { + var t0, i0; + function tween() { + var i = value.apply(this, arguments); + if (i !== i0) t0 = (i0 = i) && attrInterpolate(name, i); + return t0; } + tween._value = value; + return tween; +} - chord.padAngle = function(_) { - return arguments.length ? (padAngle = max(0, _), chord) : padAngle; - }; +function transition_attrTween(name, value) { + var key = "attr." + name; + if (arguments.length < 2) return (key = this.tween(key)) && key._value; + if (value == null) return this.tween(key, null); + if (typeof value !== "function") throw new Error; + var fullname = d3Selection.namespace(name); + return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); +} - chord.sortGroups = function(_) { - return arguments.length ? (sortGroups = _, chord) : sortGroups; +function delayFunction(id, value) { + return function() { + init(this, id).delay = +value.apply(this, arguments); }; +} - chord.sortSubgroups = function(_) { - return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups; +function delayConstant(id, value) { + return value = +value, function() { + init(this, id).delay = value; }; +} - chord.sortChords = function(_) { - return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._; - }; +function transition_delay(value) { + var id = this._id; - return chord; + return arguments.length + ? this.each((typeof value === "function" + ? delayFunction + : delayConstant)(id, value)) + : get(this.node(), id).delay; } -var slice = Array.prototype.slice; - -function constant(x) { +function durationFunction(id, value) { return function() { - return x; + set(this, id).duration = +value.apply(this, arguments); }; } -function defaultSource(d) { - return d.source; +function durationConstant(id, value) { + return value = +value, function() { + set(this, id).duration = value; + }; } -function defaultTarget(d) { - return d.target; -} +function transition_duration(value) { + var id = this._id; -function defaultRadius(d) { - return d.radius; + return arguments.length + ? this.each((typeof value === "function" + ? durationFunction + : durationConstant)(id, value)) + : get(this.node(), id).duration; } -function defaultStartAngle(d) { - return d.startAngle; +function easeConstant(id, value) { + if (typeof value !== "function") throw new Error; + return function() { + set(this, id).ease = value; + }; } -function defaultEndAngle(d) { - return d.endAngle; +function transition_ease(value) { + var id = this._id; + + return arguments.length + ? this.each(easeConstant(id, value)) + : get(this.node(), id).ease; } -function defaultPadAngle() { - return 0; +function easeVarying(id, value) { + return function() { + var v = value.apply(this, arguments); + if (typeof v !== "function") throw new Error; + set(this, id).ease = v; + }; } -function defaultArrowheadRadius() { - return 10; +function transition_easeVarying(value) { + if (typeof value !== "function") throw new Error; + return this.each(easeVarying(this._id, value)); } -function ribbon(headRadius) { - var source = defaultSource, - target = defaultTarget, - sourceRadius = defaultRadius, - targetRadius = defaultRadius, - startAngle = defaultStartAngle, - endAngle = defaultEndAngle, - padAngle = defaultPadAngle, - context = null; +function transition_filter(match) { + if (typeof match !== "function") match = d3Selection.matcher(match); - function ribbon() { - var buffer, - s = source.apply(this, arguments), - t = target.apply(this, arguments), - ap = padAngle.apply(this, arguments) / 2, - argv = slice.call(arguments), - sr = +sourceRadius.apply(this, (argv[0] = s, argv)), - sa0 = startAngle.apply(this, argv) - halfPi, - sa1 = endAngle.apply(this, argv) - halfPi, - tr = +targetRadius.apply(this, (argv[0] = t, argv)), - ta0 = startAngle.apply(this, argv) - halfPi, - ta1 = endAngle.apply(this, argv) - halfPi; + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { + if ((node = group[i]) && match.call(node, node.__data__, i, group)) { + subgroup.push(node); + } + } + } - if (!context) context = buffer = d3Path.path(); + return new Transition(subgroups, this._parents, this._name, this._id); +} - if (ap > epsilon) { - if (abs(sa1 - sa0) > ap * 2 + epsilon) sa1 > sa0 ? (sa0 += ap, sa1 -= ap) : (sa0 -= ap, sa1 += ap); - else sa0 = sa1 = (sa0 + sa1) / 2; - if (abs(ta1 - ta0) > ap * 2 + epsilon) ta1 > ta0 ? (ta0 += ap, ta1 -= ap) : (ta0 -= ap, ta1 += ap); - else ta0 = ta1 = (ta0 + ta1) / 2; - } +function transition_merge(transition) { + if (transition._id !== this._id) throw new Error; - context.moveTo(sr * cos(sa0), sr * sin(sa0)); - context.arc(0, 0, sr, sa0, sa1); - if (sa0 !== ta0 || sa1 !== ta1) { - if (headRadius) { - var hr = +headRadius.apply(this, arguments), tr2 = tr - hr, ta2 = (ta0 + ta1) / 2; - context.quadraticCurveTo(0, 0, tr2 * cos(ta0), tr2 * sin(ta0)); - context.lineTo(tr * cos(ta2), tr * sin(ta2)); - context.lineTo(tr2 * cos(ta1), tr2 * sin(ta1)); - } else { - context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0)); - context.arc(0, 0, tr, ta0, ta1); + for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group0[i] || group1[i]) { + merge[i] = node; } } - context.quadraticCurveTo(0, 0, sr * cos(sa0), sr * sin(sa0)); - context.closePath(); - - if (buffer) return context = null, buffer + "" || null; } - if (headRadius) ribbon.headRadius = function(_) { - return arguments.length ? (headRadius = typeof _ === "function" ? _ : constant(+_), ribbon) : headRadius; - }; + for (; j < m0; ++j) { + merges[j] = groups0[j]; + } - ribbon.radius = function(_) { - return arguments.length ? (sourceRadius = targetRadius = typeof _ === "function" ? _ : constant(+_), ribbon) : sourceRadius; - }; + return new Transition(merges, this._parents, this._name, this._id); +} - ribbon.sourceRadius = function(_) { - return arguments.length ? (sourceRadius = typeof _ === "function" ? _ : constant(+_), ribbon) : sourceRadius; - }; - - ribbon.targetRadius = function(_) { - return arguments.length ? (targetRadius = typeof _ === "function" ? _ : constant(+_), ribbon) : targetRadius; - }; +function start(name) { + return (name + "").trim().split(/^|\s+/).every(function(t) { + var i = t.indexOf("."); + if (i >= 0) t = t.slice(0, i); + return !t || t === "start"; + }); +} - ribbon.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant(+_), ribbon) : startAngle; - }; +function onFunction(id, name, listener) { + var on0, on1, sit = start(name) ? init : set; + return function() { + var schedule = sit(this, id), + on = schedule.on; - ribbon.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant(+_), ribbon) : endAngle; - }; + // If this node shared a dispatch with the previous node, + // just assign the updated shared dispatch and we’re done! + // Otherwise, copy-on-write. + if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); - ribbon.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant(+_), ribbon) : padAngle; + schedule.on = on1; }; +} - ribbon.source = function(_) { - return arguments.length ? (source = _, ribbon) : source; - }; +function transition_on(name, listener) { + var id = this._id; - ribbon.target = function(_) { - return arguments.length ? (target = _, ribbon) : target; - }; + return arguments.length < 2 + ? get(this.node(), id).on.on(name) + : this.each(onFunction(id, name, listener)); +} - ribbon.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), ribbon) : context; +function removeFunction(id) { + return function() { + var parent = this.parentNode; + for (var i in this.__transition) if (+i !== id) return; + if (parent) parent.removeChild(this); }; - - return ribbon; } -function ribbon$1() { - return ribbon(); +function transition_remove() { + return this.on("end.remove", removeFunction(this._id)); } -function ribbonArrow() { - return ribbon(defaultArrowheadRadius); -} +function transition_select(select) { + var name = this._name, + id = this._id; -exports.chord = chord; -exports.chordDirected = chordDirected; -exports.chordTranspose = chordTranspose; -exports.ribbon = ribbon$1; -exports.ribbonArrow = ribbonArrow; + if (typeof select !== "function") select = d3Selection.selector(select); -Object.defineProperty(exports, '__esModule', { value: true }); + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { + if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + subgroup[i] = subnode; + schedule(subgroup[i], name, id, i, subgroup, get(node, id)); + } + } + } -})); -}); + return new Transition(subgroups, this._parents, name, id); +} -var d3Contour = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-contour/ v2.0.0 Copyright 2020 Mike Bostock -(function (global, factory) { -factory(exports, d3Array) ; -}(commonjsGlobal, function (exports, d3Array) { -var array = Array.prototype; +function transition_selectAll(select) { + var name = this._name, + id = this._id; -var slice = array.slice; + if (typeof select !== "function") select = d3Selection.selectorAll(select); -function ascending(a, b) { - return a - b; -} + for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + for (var children = select.call(node, node.__data__, i, group), child, inherit = get(node, id), k = 0, l = children.length; k < l; ++k) { + if (child = children[k]) { + schedule(child, name, id, k, children, inherit); + } + } + subgroups.push(children); + parents.push(node); + } + } + } -function area(ring) { - var i = 0, n = ring.length, area = ring[n - 1][1] * ring[0][0] - ring[n - 1][0] * ring[0][1]; - while (++i < n) area += ring[i - 1][1] * ring[i][0] - ring[i - 1][0] * ring[i][1]; - return area; + return new Transition(subgroups, parents, name, id); } -var constant = x => () => x; +var Selection = d3Selection.selection.prototype.constructor; -function contains(ring, hole) { - var i = -1, n = hole.length, c; - while (++i < n) if (c = ringContains(ring, hole[i])) return c; - return 0; +function transition_selection() { + return new Selection(this._groups, this._parents); } -function ringContains(ring, point) { - var x = point[0], y = point[1], contains = -1; - for (var i = 0, n = ring.length, j = n - 1; i < n; j = i++) { - var pi = ring[i], xi = pi[0], yi = pi[1], pj = ring[j], xj = pj[0], yj = pj[1]; - if (segmentContains(pi, pj, point)) return 0; - if (((yi > y) !== (yj > y)) && ((x < (xj - xi) * (y - yi) / (yj - yi) + xi))) contains = -contains; - } - return contains; +function styleNull(name, interpolate) { + var string00, + string10, + interpolate0; + return function() { + var string0 = d3Selection.style(this, name), + string1 = (this.style.removeProperty(name), d3Selection.style(this, name)); + return string0 === string1 ? null + : string0 === string00 && string1 === string10 ? interpolate0 + : interpolate0 = interpolate(string00 = string0, string10 = string1); + }; } -function segmentContains(a, b, c) { - var i; return collinear(a, b, c) && within(a[i = +(a[0] === b[0])], c[i], b[i]); +function styleRemove(name) { + return function() { + this.style.removeProperty(name); + }; } -function collinear(a, b, c) { - return (b[0] - a[0]) * (c[1] - a[1]) === (c[0] - a[0]) * (b[1] - a[1]); +function styleConstant(name, interpolate, value1) { + var string00, + string1 = value1 + "", + interpolate0; + return function() { + var string0 = d3Selection.style(this, name); + return string0 === string1 ? null + : string0 === string00 ? interpolate0 + : interpolate0 = interpolate(string00 = string0, value1); + }; } -function within(p, q, r) { - return p <= q && q <= r || r <= q && q <= p; +function styleFunction(name, interpolate, value) { + var string00, + string10, + interpolate0; + return function() { + var string0 = d3Selection.style(this, name), + value1 = value(this), + string1 = value1 + ""; + if (value1 == null) string1 = value1 = (this.style.removeProperty(name), d3Selection.style(this, name)); + return string0 === string1 ? null + : string0 === string00 && string1 === string10 ? interpolate0 + : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); + }; } -function noop() {} +function styleMaybeRemove(id, name) { + var on0, on1, listener0, key = "style." + name, event = "end." + key, remove; + return function() { + var schedule = set(this, id), + on = schedule.on, + listener = schedule.value[key] == null ? remove || (remove = styleRemove(name)) : undefined; -var cases = [ - [], - [[[1.0, 1.5], [0.5, 1.0]]], - [[[1.5, 1.0], [1.0, 1.5]]], - [[[1.5, 1.0], [0.5, 1.0]]], - [[[1.0, 0.5], [1.5, 1.0]]], - [[[1.0, 1.5], [0.5, 1.0]], [[1.0, 0.5], [1.5, 1.0]]], - [[[1.0, 0.5], [1.0, 1.5]]], - [[[1.0, 0.5], [0.5, 1.0]]], - [[[0.5, 1.0], [1.0, 0.5]]], - [[[1.0, 1.5], [1.0, 0.5]]], - [[[0.5, 1.0], [1.0, 0.5]], [[1.5, 1.0], [1.0, 1.5]]], - [[[1.5, 1.0], [1.0, 0.5]]], - [[[0.5, 1.0], [1.5, 1.0]]], - [[[1.0, 1.5], [1.5, 1.0]]], - [[[0.5, 1.0], [1.0, 1.5]]], - [] -]; + // If this node shared a dispatch with the previous node, + // just assign the updated shared dispatch and we’re done! + // Otherwise, copy-on-write. + if (on !== on0 || listener0 !== listener) (on1 = (on0 = on).copy()).on(event, listener0 = listener); -function contours() { - var dx = 1, - dy = 1, - threshold = d3Array.thresholdSturges, - smooth = smoothLinear; + schedule.on = on1; + }; +} - function contours(values) { - var tz = threshold(values); +function transition_style(name, value, priority) { + var i = (name += "") === "transform" ? d3Interpolate.interpolateTransformCss : interpolate; + return value == null ? this + .styleTween(name, styleNull(name, i)) + .on("end.style." + name, styleRemove(name)) + : typeof value === "function" ? this + .styleTween(name, styleFunction(name, i, tweenValue(this, "style." + name, value))) + .each(styleMaybeRemove(this._id, name)) + : this + .styleTween(name, styleConstant(name, i, value), priority) + .on("end.style." + name, null); +} - // Convert number of thresholds into uniform thresholds. - if (!Array.isArray(tz)) { - var domain = d3Array.extent(values), start = domain[0], stop = domain[1]; - tz = d3Array.tickStep(start, stop, tz); - tz = d3Array.range(Math.floor(start / tz) * tz, Math.floor(stop / tz) * tz, tz); - } else { - tz = tz.slice().sort(ascending); - } +function styleInterpolate(name, i, priority) { + return function(t) { + this.style.setProperty(name, i.call(this, t), priority); + }; +} - return tz.map(function(value) { - return contour(values, value); - }); +function styleTween(name, value, priority) { + var t, i0; + function tween() { + var i = value.apply(this, arguments); + if (i !== i0) t = (i0 = i) && styleInterpolate(name, i, priority); + return t; } + tween._value = value; + return tween; +} - // Accumulate, smooth contour rings, assign holes to exterior rings. - // Based on https://github.com/mbostock/shapefile/blob/v0.6.2/shp/polygon.js - function contour(values, value) { - var polygons = [], - holes = []; +function transition_styleTween(name, value, priority) { + var key = "style." + (name += ""); + if (arguments.length < 2) return (key = this.tween(key)) && key._value; + if (value == null) return this.tween(key, null); + if (typeof value !== "function") throw new Error; + return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); +} - isorings(values, value, function(ring) { - smooth(ring, values, value); - if (area(ring) > 0) polygons.push([ring]); - else holes.push(ring); - }); +function textConstant(value) { + return function() { + this.textContent = value; + }; +} - holes.forEach(function(hole) { - for (var i = 0, n = polygons.length, polygon; i < n; ++i) { - if (contains((polygon = polygons[i])[0], hole) !== -1) { - polygon.push(hole); - return; - } - } - }); +function textFunction(value) { + return function() { + var value1 = value(this); + this.textContent = value1 == null ? "" : value1; + }; +} - return { - type: "MultiPolygon", - value: value, - coordinates: polygons - }; - } +function transition_text(value) { + return this.tween("text", typeof value === "function" + ? textFunction(tweenValue(this, "text", value)) + : textConstant(value == null ? "" : value + "")); +} - // Marching squares with isolines stitched into rings. - // Based on https://github.com/topojson/topojson-client/blob/v3.0.0/src/stitch.js - function isorings(values, value, callback) { - var fragmentByStart = new Array, - fragmentByEnd = new Array, - x, y, t0, t1, t2, t3; +function textInterpolate(i) { + return function(t) { + this.textContent = i.call(this, t); + }; +} - // Special case for the first row (y = -1, t2 = t3 = 0). - x = y = -1; - t1 = values[0] >= value; - cases[t1 << 1].forEach(stitch); - while (++x < dx - 1) { - t0 = t1, t1 = values[x + 1] >= value; - cases[t0 | t1 << 1].forEach(stitch); - } - cases[t1 << 0].forEach(stitch); +function textTween(value) { + var t0, i0; + function tween() { + var i = value.apply(this, arguments); + if (i !== i0) t0 = (i0 = i) && textInterpolate(i); + return t0; + } + tween._value = value; + return tween; +} - // General case for the intermediate rows. - while (++y < dy - 1) { - x = -1; - t1 = values[y * dx + dx] >= value; - t2 = values[y * dx] >= value; - cases[t1 << 1 | t2 << 2].forEach(stitch); - while (++x < dx - 1) { - t0 = t1, t1 = values[y * dx + dx + x + 1] >= value; - t3 = t2, t2 = values[y * dx + x + 1] >= value; - cases[t0 | t1 << 1 | t2 << 2 | t3 << 3].forEach(stitch); - } - cases[t1 | t2 << 3].forEach(stitch); - } +function transition_textTween(value) { + var key = "text"; + if (arguments.length < 1) return (key = this.tween(key)) && key._value; + if (value == null) return this.tween(key, null); + if (typeof value !== "function") throw new Error; + return this.tween(key, textTween(value)); +} - // Special case for the last row (y = dy - 1, t0 = t1 = 0). - x = -1; - t2 = values[y * dx] >= value; - cases[t2 << 2].forEach(stitch); - while (++x < dx - 1) { - t3 = t2, t2 = values[y * dx + x + 1] >= value; - cases[t2 << 2 | t3 << 3].forEach(stitch); - } - cases[t2 << 3].forEach(stitch); +function transition_transition() { + var name = this._name, + id0 = this._id, + id1 = newId(); - function stitch(line) { - var start = [line[0][0] + x, line[0][1] + y], - end = [line[1][0] + x, line[1][1] + y], - startIndex = index(start), - endIndex = index(end), - f, g; - if (f = fragmentByEnd[startIndex]) { - if (g = fragmentByStart[endIndex]) { - delete fragmentByEnd[f.end]; - delete fragmentByStart[g.start]; - if (f === g) { - f.ring.push(end); - callback(f.ring); - } else { - fragmentByStart[f.start] = fragmentByEnd[g.end] = {start: f.start, end: g.end, ring: f.ring.concat(g.ring)}; - } - } else { - delete fragmentByEnd[f.end]; - f.ring.push(end); - fragmentByEnd[f.end = endIndex] = f; - } - } else if (f = fragmentByStart[endIndex]) { - if (g = fragmentByEnd[startIndex]) { - delete fragmentByStart[f.start]; - delete fragmentByEnd[g.end]; - if (f === g) { - f.ring.push(end); - callback(f.ring); - } else { - fragmentByStart[g.start] = fragmentByEnd[f.end] = {start: g.start, end: f.end, ring: g.ring.concat(f.ring)}; - } - } else { - delete fragmentByStart[f.start]; - f.ring.unshift(start); - fragmentByStart[f.start = startIndex] = f; - } - } else { - fragmentByStart[startIndex] = fragmentByEnd[endIndex] = {start: startIndex, end: endIndex, ring: [start, end]}; + for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + var inherit = get(node, id0); + schedule(node, name, id1, i, group, { + time: inherit.time + inherit.delay + inherit.duration, + delay: 0, + duration: inherit.duration, + ease: inherit.ease + }); } } } - function index(point) { - return point[0] * 2 + point[1] * (dx + 1) * 4; - } + return new Transition(groups, this._parents, name, id1); +} - function smoothLinear(ring, values, value) { - ring.forEach(function(point) { - var x = point[0], - y = point[1], - xt = x | 0, - yt = y | 0, - v0, - v1 = values[yt * dx + xt]; - if (x > 0 && x < dx && xt === x) { - v0 = values[yt * dx + xt - 1]; - point[0] = x + (value - v0) / (v1 - v0) - 0.5; - } - if (y > 0 && y < dy && yt === y) { - v0 = values[(yt - 1) * dx + xt]; - point[1] = y + (value - v0) / (v1 - v0) - 0.5; +function transition_end() { + var on0, on1, that = this, id = that._id, size = that.size(); + return new Promise(function(resolve, reject) { + var cancel = {value: reject}, + end = {value: function() { if (--size === 0) resolve(); }}; + + that.each(function() { + var schedule = set(this, id), + on = schedule.on; + + // If this node shared a dispatch with the previous node, + // just assign the updated shared dispatch and we’re done! + // Otherwise, copy-on-write. + if (on !== on0) { + on1 = (on0 = on).copy(); + on1._.cancel.push(cancel); + on1._.interrupt.push(cancel); + on1._.end.push(end); } - }); - } - contours.contour = contour; + schedule.on = on1; + }); - contours.size = function(_) { - if (!arguments.length) return [dx, dy]; - var _0 = Math.floor(_[0]), _1 = Math.floor(_[1]); - if (!(_0 >= 0 && _1 >= 0)) throw new Error("invalid size"); - return dx = _0, dy = _1, contours; - }; + // The selection was empty, resolve end immediately + if (size === 0) resolve(); + }); +} - contours.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), contours) : threshold; - }; +var id = 0; - contours.smooth = function(_) { - return arguments.length ? (smooth = _ ? smoothLinear : noop, contours) : smooth === smoothLinear; - }; +function Transition(groups, parents, name, id) { + this._groups = groups; + this._parents = parents; + this._name = name; + this._id = id; +} - return contours; +function transition(name) { + return d3Selection.selection().transition(name); } -// TODO Optimize edge cases. -// TODO Optimize index calculation. -// TODO Optimize arguments. -function blurX(source, target, r) { - var n = source.width, - m = source.height, - w = (r << 1) + 1; - for (var j = 0; j < m; ++j) { - for (var i = 0, sr = 0; i < n + r; ++i) { - if (i < n) { - sr += source.data[i + j * n]; - } - if (i >= r) { - if (i >= w) { - sr -= source.data[i - w + j * n]; - } - target.data[i - r + j * n] = sr / Math.min(i + 1, n - 1 + w - i, w); - } - } - } +function newId() { + return ++id; } -// TODO Optimize edge cases. -// TODO Optimize index calculation. -// TODO Optimize arguments. -function blurY(source, target, r) { - var n = source.width, - m = source.height, - w = (r << 1) + 1; - for (var i = 0; i < n; ++i) { - for (var j = 0, sr = 0; j < m + r; ++j) { - if (j < m) { - sr += source.data[i + j * n]; - } - if (j >= r) { - if (j >= w) { - sr -= source.data[i + (j - w) * n]; - } - target.data[i + (j - r) * n] = sr / Math.min(j + 1, m - 1 + w - j, w); - } - } - } -} +var selection_prototype = d3Selection.selection.prototype; -function defaultX(d) { - return d[0]; -} +Transition.prototype = transition.prototype = { + constructor: Transition, + select: transition_select, + selectAll: transition_selectAll, + filter: transition_filter, + merge: transition_merge, + selection: transition_selection, + transition: transition_transition, + call: selection_prototype.call, + nodes: selection_prototype.nodes, + node: selection_prototype.node, + size: selection_prototype.size, + empty: selection_prototype.empty, + each: selection_prototype.each, + on: transition_on, + attr: transition_attr, + attrTween: transition_attrTween, + style: transition_style, + styleTween: transition_styleTween, + text: transition_text, + textTween: transition_textTween, + remove: transition_remove, + tween: transition_tween, + delay: transition_delay, + duration: transition_duration, + ease: transition_ease, + easeVarying: transition_easeVarying, + end: transition_end, + [Symbol.iterator]: selection_prototype[Symbol.iterator] +}; -function defaultY(d) { - return d[1]; -} +var defaultTiming = { + time: null, // Set on use. + delay: 0, + duration: 250, + ease: d3Ease.easeCubicInOut +}; -function defaultWeight() { - return 1; +function inherit(node, id) { + var timing; + while (!(timing = node.__transition) || !(timing = timing[id])) { + if (!(node = node.parentNode)) { + throw new Error(`transition ${id} not found`); + } + } + return timing; } -function density() { - var x = defaultX, - y = defaultY, - weight = defaultWeight, - dx = 960, - dy = 500, - r = 20, // blur radius - k = 2, // log2(grid cell size) - o = r * 3, // grid offset, to pad for blur - n = (dx + o * 2) >> k, // grid width - m = (dy + o * 2) >> k, // grid height - threshold = constant(20); +function selection_transition(name) { + var id, + timing; - function density(data) { - var values0 = new Float32Array(n * m), - values1 = new Float32Array(n * m); + if (name instanceof Transition) { + id = name._id, name = name._name; + } else { + id = newId(), (timing = defaultTiming).time = d3Timer.now(), name = name == null ? null : name + ""; + } - data.forEach(function(d, i, data) { - var xi = (+x(d, i, data) + o) >> k, - yi = (+y(d, i, data) + o) >> k, - wi = +weight(d, i, data); - if (xi >= 0 && xi < n && yi >= 0 && yi < m) { - values0[xi + yi * n] += wi; + for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + schedule(node, name, id, i, group, timing || inherit(node, id)); } - }); - - // TODO Optimize. - blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); - blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); - blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); - blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); - blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); - blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); - - var tz = threshold(values0); - - // Convert number of thresholds into uniform thresholds. - if (!Array.isArray(tz)) { - var stop = d3Array.max(values0); - tz = d3Array.tickStep(0, stop, tz); - tz = d3Array.range(0, Math.floor(stop / tz) * tz, tz); - tz.shift(); } - - return contours() - .thresholds(tz) - .size([n, m]) - (values0) - .map(transform); } - function transform(geometry) { - geometry.value *= Math.pow(2, -2 * k); // Density in points per square pixel. - geometry.coordinates.forEach(transformPolygon); - return geometry; - } + return new Transition(groups, this._parents, name, id); +} - function transformPolygon(coordinates) { - coordinates.forEach(transformRing); - } +d3Selection.selection.prototype.interrupt = selection_interrupt; +d3Selection.selection.prototype.transition = selection_transition; - function transformRing(coordinates) { - coordinates.forEach(transformPoint); - } +var root = [null]; - // TODO Optimize. - function transformPoint(coordinates) { - coordinates[0] = coordinates[0] * Math.pow(2, k) - o; - coordinates[1] = coordinates[1] * Math.pow(2, k) - o; - } +function active(node, name) { + var schedules = node.__transition, + schedule, + i; - function resize() { - o = r * 3; - n = (dx + o * 2) >> k; - m = (dy + o * 2) >> k; - return density; + if (schedules) { + name = name == null ? null : name + ""; + for (i in schedules) { + if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { + return new Transition([[node]], root, name, +i); + } + } } - density.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant(+_), density) : x; - }; - - density.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant(+_), density) : y; - }; - - density.weight = function(_) { - return arguments.length ? (weight = typeof _ === "function" ? _ : constant(+_), density) : weight; - }; - - density.size = function(_) { - if (!arguments.length) return [dx, dy]; - var _0 = +_[0], _1 = +_[1]; - if (!(_0 >= 0 && _1 >= 0)) throw new Error("invalid size"); - return dx = _0, dy = _1, resize(); - }; - - density.cellSize = function(_) { - if (!arguments.length) return 1 << k; - if (!((_ = +_) >= 1)) throw new Error("invalid cell size"); - return k = Math.floor(Math.log(_) / Math.LN2), resize(); - }; - - density.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), density) : threshold; - }; - - density.bandwidth = function(_) { - if (!arguments.length) return Math.sqrt(r * (r + 1)); - if (!((_ = +_) >= 0)) throw new Error("invalid bandwidth"); - return r = Math.round((Math.sqrt(4 * _ * _ + 1) - 1) / 2), resize(); - }; - - return density; + return null; } -exports.contourDensity = density; -exports.contours = contours; +exports.active = active; +exports.interrupt = interrupt; +exports.transition = transition; Object.defineProperty(exports, '__esModule', { value: true }); })); }); -var d3Delaunay = createCommonjsModule(function (module, exports) { -// https://github.com/d3/d3-delaunay v5.3.0 Copyright 2020 Mike Bostock -// https://github.com/mapbox/delaunator v4.0.1. Copyright 2019 Mapbox, Inc. +var d3Brush = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-brush/ v2.1.0 Copyright 2020 Mike Bostock (function (global, factory) { -factory(exports) ; -}(commonjsGlobal, function (exports) { -const EPSILON = Math.pow(2, -52); -const EDGE_STACK = new Uint32Array(512); +factory(exports, d3Dispatch, d3Drag, d3Interpolate, d3Selection, d3Transition) ; +}(commonjsGlobal, function (exports, d3Dispatch, d3Drag, d3Interpolate, d3Selection, d3Transition) { +var constant = x => () => x; -class Delaunator { +function BrushEvent(type, { + sourceEvent, + target, + selection, + mode, + dispatch +}) { + Object.defineProperties(this, { + type: {value: type, enumerable: true, configurable: true}, + sourceEvent: {value: sourceEvent, enumerable: true, configurable: true}, + target: {value: target, enumerable: true, configurable: true}, + selection: {value: selection, enumerable: true, configurable: true}, + mode: {value: mode, enumerable: true, configurable: true}, + _: {value: dispatch} + }); +} - static from(points, getX = defaultGetX, getY = defaultGetY) { - const n = points.length; - const coords = new Float64Array(n * 2); +function nopropagation(event) { + event.stopImmediatePropagation(); +} - for (let i = 0; i < n; i++) { - const p = points[i]; - coords[2 * i] = getX(p); - coords[2 * i + 1] = getY(p); - } +function noevent(event) { + event.preventDefault(); + event.stopImmediatePropagation(); +} - return new Delaunator(coords); - } +var MODE_DRAG = {name: "drag"}, + MODE_SPACE = {name: "space"}, + MODE_HANDLE = {name: "handle"}, + MODE_CENTER = {name: "center"}; - constructor(coords) { - const n = coords.length >> 1; - if (n > 0 && typeof coords[0] !== 'number') throw new Error('Expected coords to contain numbers.'); +const {abs, max, min} = Math; - this.coords = coords; +function number1(e) { + return [+e[0], +e[1]]; +} - // arrays that will store the triangulation graph - const maxTriangles = Math.max(2 * n - 5, 0); - this._triangles = new Uint32Array(maxTriangles * 3); - this._halfedges = new Int32Array(maxTriangles * 3); - - // temporary arrays for tracking the edges of the advancing convex hull - this._hashSize = Math.ceil(Math.sqrt(n)); - this._hullPrev = new Uint32Array(n); // edge to prev edge - this._hullNext = new Uint32Array(n); // edge to next edge - this._hullTri = new Uint32Array(n); // edge to adjacent triangle - this._hullHash = new Int32Array(this._hashSize).fill(-1); // angular edge hash - - // temporary arrays for sorting points - this._ids = new Uint32Array(n); - this._dists = new Float64Array(n); +function number2(e) { + return [number1(e[0]), number1(e[1])]; +} - this.update(); - } +var X = { + name: "x", + handles: ["w", "e"].map(type), + input: function(x, e) { return x == null ? null : [[+x[0], e[0][1]], [+x[1], e[1][1]]]; }, + output: function(xy) { return xy && [xy[0][0], xy[1][0]]; } +}; - update() { - const {coords, _hullPrev: hullPrev, _hullNext: hullNext, _hullTri: hullTri, _hullHash: hullHash} = this; - const n = coords.length >> 1; +var Y = { + name: "y", + handles: ["n", "s"].map(type), + input: function(y, e) { return y == null ? null : [[e[0][0], +y[0]], [e[1][0], +y[1]]]; }, + output: function(xy) { return xy && [xy[0][1], xy[1][1]]; } +}; - // populate an array of point indices; calculate input data bbox - let minX = Infinity; - let minY = Infinity; - let maxX = -Infinity; - let maxY = -Infinity; +var XY = { + name: "xy", + handles: ["n", "w", "e", "s", "nw", "ne", "sw", "se"].map(type), + input: function(xy) { return xy == null ? null : number2(xy); }, + output: function(xy) { return xy; } +}; - for (let i = 0; i < n; i++) { - const x = coords[2 * i]; - const y = coords[2 * i + 1]; - if (x < minX) minX = x; - if (y < minY) minY = y; - if (x > maxX) maxX = x; - if (y > maxY) maxY = y; - this._ids[i] = i; - } - const cx = (minX + maxX) / 2; - const cy = (minY + maxY) / 2; +var cursors = { + overlay: "crosshair", + selection: "move", + n: "ns-resize", + e: "ew-resize", + s: "ns-resize", + w: "ew-resize", + nw: "nwse-resize", + ne: "nesw-resize", + se: "nwse-resize", + sw: "nesw-resize" +}; - let minDist = Infinity; - let i0, i1, i2; +var flipX = { + e: "w", + w: "e", + nw: "ne", + ne: "nw", + se: "sw", + sw: "se" +}; - // pick a seed point close to the center - for (let i = 0; i < n; i++) { - const d = dist(cx, cy, coords[2 * i], coords[2 * i + 1]); - if (d < minDist) { - i0 = i; - minDist = d; - } - } - const i0x = coords[2 * i0]; - const i0y = coords[2 * i0 + 1]; +var flipY = { + n: "s", + s: "n", + nw: "sw", + ne: "se", + se: "ne", + sw: "nw" +}; - minDist = Infinity; +var signsX = { + overlay: +1, + selection: +1, + n: null, + e: +1, + s: null, + w: -1, + nw: -1, + ne: +1, + se: +1, + sw: -1 +}; - // find the point closest to the seed - for (let i = 0; i < n; i++) { - if (i === i0) continue; - const d = dist(i0x, i0y, coords[2 * i], coords[2 * i + 1]); - if (d < minDist && d > 0) { - i1 = i; - minDist = d; - } - } - let i1x = coords[2 * i1]; - let i1y = coords[2 * i1 + 1]; +var signsY = { + overlay: +1, + selection: +1, + n: -1, + e: null, + s: +1, + w: null, + nw: -1, + ne: -1, + se: +1, + sw: +1 +}; - let minRadius = Infinity; +function type(t) { + return {type: t}; +} - // find the third point which forms the smallest circumcircle with the first two - for (let i = 0; i < n; i++) { - if (i === i0 || i === i1) continue; - const r = circumradius(i0x, i0y, i1x, i1y, coords[2 * i], coords[2 * i + 1]); - if (r < minRadius) { - i2 = i; - minRadius = r; - } - } - let i2x = coords[2 * i2]; - let i2y = coords[2 * i2 + 1]; +// Ignore right-click, since that should open the context menu. +function defaultFilter(event) { + return !event.ctrlKey && !event.button; +} - if (minRadius === Infinity) { - // order collinear points by dx (or dy if all x are identical) - // and return the list as a hull - for (let i = 0; i < n; i++) { - this._dists[i] = (coords[2 * i] - coords[0]) || (coords[2 * i + 1] - coords[1]); - } - quicksort(this._ids, this._dists, 0, n - 1); - const hull = new Uint32Array(n); - let j = 0; - for (let i = 0, d0 = -Infinity; i < n; i++) { - const id = this._ids[i]; - if (this._dists[id] > d0) { - hull[j++] = id; - d0 = this._dists[id]; - } - } - this.hull = hull.subarray(0, j); - this.triangles = new Uint32Array(0); - this.halfedges = new Uint32Array(0); - return; - } +function defaultExtent() { + var svg = this.ownerSVGElement || this; + if (svg.hasAttribute("viewBox")) { + svg = svg.viewBox.baseVal; + return [[svg.x, svg.y], [svg.x + svg.width, svg.y + svg.height]]; + } + return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]]; +} - // swap the order of the seed points for counter-clockwise orientation - if (orient(i0x, i0y, i1x, i1y, i2x, i2y)) { - const i = i1; - const x = i1x; - const y = i1y; - i1 = i2; - i1x = i2x; - i1y = i2y; - i2 = i; - i2x = x; - i2y = y; - } +function defaultTouchable() { + return navigator.maxTouchPoints || ("ontouchstart" in this); +} - const center = circumcenter(i0x, i0y, i1x, i1y, i2x, i2y); - this._cx = center.x; - this._cy = center.y; +// Like d3.local, but with the name “__brush” rather than auto-generated. +function local(node) { + while (!node.__brush) if (!(node = node.parentNode)) return; + return node.__brush; +} - for (let i = 0; i < n; i++) { - this._dists[i] = dist(coords[2 * i], coords[2 * i + 1], center.x, center.y); - } +function empty(extent) { + return extent[0][0] === extent[1][0] + || extent[0][1] === extent[1][1]; +} - // sort the points by distance from the seed triangle circumcenter - quicksort(this._ids, this._dists, 0, n - 1); +function brushSelection(node) { + var state = node.__brush; + return state ? state.dim.output(state.selection) : null; +} - // set up the seed triangle as the starting hull - this._hullStart = i0; - let hullSize = 3; +function brushX() { + return brush$1(X); +} - hullNext[i0] = hullPrev[i2] = i1; - hullNext[i1] = hullPrev[i0] = i2; - hullNext[i2] = hullPrev[i1] = i0; +function brushY() { + return brush$1(Y); +} - hullTri[i0] = 0; - hullTri[i1] = 1; - hullTri[i2] = 2; +function brush() { + return brush$1(XY); +} - hullHash.fill(-1); - hullHash[this._hashKey(i0x, i0y)] = i0; - hullHash[this._hashKey(i1x, i1y)] = i1; - hullHash[this._hashKey(i2x, i2y)] = i2; +function brush$1(dim) { + var extent = defaultExtent, + filter = defaultFilter, + touchable = defaultTouchable, + keys = true, + listeners = d3Dispatch.dispatch("start", "brush", "end"), + handleSize = 6, + touchending; - this.trianglesLen = 0; - this._addTriangle(i0, i1, i2, -1, -1, -1); + function brush(group) { + var overlay = group + .property("__brush", initialize) + .selectAll(".overlay") + .data([type("overlay")]); - for (let k = 0, xp, yp; k < this._ids.length; k++) { - const i = this._ids[k]; - const x = coords[2 * i]; - const y = coords[2 * i + 1]; + overlay.enter().append("rect") + .attr("class", "overlay") + .attr("pointer-events", "all") + .attr("cursor", cursors.overlay) + .merge(overlay) + .each(function() { + var extent = local(this).extent; + d3Selection.select(this) + .attr("x", extent[0][0]) + .attr("y", extent[0][1]) + .attr("width", extent[1][0] - extent[0][0]) + .attr("height", extent[1][1] - extent[0][1]); + }); - // skip near-duplicate points - if (k > 0 && Math.abs(x - xp) <= EPSILON && Math.abs(y - yp) <= EPSILON) continue; - xp = x; - yp = y; + group.selectAll(".selection") + .data([type("selection")]) + .enter().append("rect") + .attr("class", "selection") + .attr("cursor", cursors.selection) + .attr("fill", "#777") + .attr("fill-opacity", 0.3) + .attr("stroke", "#fff") + .attr("shape-rendering", "crispEdges"); - // skip seed triangle points - if (i === i0 || i === i1 || i === i2) continue; + var handle = group.selectAll(".handle") + .data(dim.handles, function(d) { return d.type; }); - // find a visible edge on the convex hull using edge hash - let start = 0; - for (let j = 0, key = this._hashKey(x, y); j < this._hashSize; j++) { - start = hullHash[(key + j) % this._hashSize]; - if (start !== -1 && start !== hullNext[start]) break; - } + handle.exit().remove(); - start = hullPrev[start]; - let e = start, q; - while (q = hullNext[e], !orient(x, y, coords[2 * e], coords[2 * e + 1], coords[2 * q], coords[2 * q + 1])) { - e = q; - if (e === start) { - e = -1; - break; - } - } - if (e === -1) continue; // likely a near-duplicate point; skip it + handle.enter().append("rect") + .attr("class", function(d) { return "handle handle--" + d.type; }) + .attr("cursor", function(d) { return cursors[d.type]; }); - // add the first triangle from the point - let t = this._addTriangle(e, i, hullNext[e], -1, -1, hullTri[e]); + group + .each(redraw) + .attr("fill", "none") + .attr("pointer-events", "all") + .on("mousedown.brush", started) + .filter(touchable) + .on("touchstart.brush", started) + .on("touchmove.brush", touchmoved) + .on("touchend.brush touchcancel.brush", touchended) + .style("touch-action", "none") + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); + } - // recursively flip triangles from the point until they satisfy the Delaunay condition - hullTri[i] = this._legalize(t + 2); - hullTri[e] = t; // keep track of boundary triangles on the hull - hullSize++; + brush.move = function(group, selection) { + if (group.tween) { + group + .on("start.brush", function(event) { emitter(this, arguments).beforestart().start(event); }) + .on("interrupt.brush end.brush", function(event) { emitter(this, arguments).end(event); }) + .tween("brush", function() { + var that = this, + state = that.__brush, + emit = emitter(that, arguments), + selection0 = state.selection, + selection1 = dim.input(typeof selection === "function" ? selection.apply(this, arguments) : selection, state.extent), + i = d3Interpolate.interpolate(selection0, selection1); - // walk forward through the hull, adding more triangles and flipping recursively - let n = hullNext[e]; - while (q = hullNext[n], orient(x, y, coords[2 * n], coords[2 * n + 1], coords[2 * q], coords[2 * q + 1])) { - t = this._addTriangle(n, i, q, hullTri[i], -1, hullTri[n]); - hullTri[i] = this._legalize(t + 2); - hullNext[n] = n; // mark as removed - hullSize--; - n = q; + function tween(t) { + state.selection = t === 1 && selection1 === null ? null : i(t); + redraw.call(that); + emit.brush(); } - // walk backward from the other side, adding more triangles and flipping - if (e === start) { - while (q = hullPrev[e], orient(x, y, coords[2 * q], coords[2 * q + 1], coords[2 * e], coords[2 * e + 1])) { - t = this._addTriangle(q, i, e, -1, hullTri[e], hullTri[q]); - this._legalize(t + 2); - hullTri[q] = t; - hullNext[e] = e; // mark as removed - hullSize--; - e = q; - } - } + return selection0 !== null && selection1 !== null ? tween : tween(1); + }); + } else { + group + .each(function() { + var that = this, + args = arguments, + state = that.__brush, + selection1 = dim.input(typeof selection === "function" ? selection.apply(that, args) : selection, state.extent), + emit = emitter(that, args).beforestart(); - // update the hull indices - this._hullStart = hullPrev[i] = e; - hullNext[e] = hullPrev[n] = i; - hullNext[i] = n; + d3Transition.interrupt(that); + state.selection = selection1 === null ? null : selection1; + redraw.call(that); + emit.start().brush().end(); + }); + } + }; - // save the two new edges in the hash table - hullHash[this._hashKey(x, y)] = i; - hullHash[this._hashKey(coords[2 * e], coords[2 * e + 1])] = e; - } + brush.clear = function(group) { + brush.move(group, null); + }; - this.hull = new Uint32Array(hullSize); - for (let i = 0, e = this._hullStart; i < hullSize; i++) { - this.hull[i] = e; - e = hullNext[e]; - } + function redraw() { + var group = d3Selection.select(this), + selection = local(this).selection; - // trim typed triangle mesh arrays - this.triangles = this._triangles.subarray(0, this.trianglesLen); - this.halfedges = this._halfedges.subarray(0, this.trianglesLen); - } + if (selection) { + group.selectAll(".selection") + .style("display", null) + .attr("x", selection[0][0]) + .attr("y", selection[0][1]) + .attr("width", selection[1][0] - selection[0][0]) + .attr("height", selection[1][1] - selection[0][1]); - _hashKey(x, y) { - return Math.floor(pseudoAngle(x - this._cx, y - this._cy) * this._hashSize) % this._hashSize; + group.selectAll(".handle") + .style("display", null) + .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection[1][0] - handleSize / 2 : selection[0][0] - handleSize / 2; }) + .attr("y", function(d) { return d.type[0] === "s" ? selection[1][1] - handleSize / 2 : selection[0][1] - handleSize / 2; }) + .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection[1][0] - selection[0][0] + handleSize : handleSize; }) + .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection[1][1] - selection[0][1] + handleSize : handleSize; }); } - _legalize(a) { - const {_triangles: triangles, _halfedges: halfedges, coords} = this; - - let i = 0; - let ar = 0; - - // recursion eliminated with a fixed-size stack - while (true) { - const b = halfedges[a]; + else { + group.selectAll(".selection,.handle") + .style("display", "none") + .attr("x", null) + .attr("y", null) + .attr("width", null) + .attr("height", null); + } + } - /* if the pair of triangles doesn't satisfy the Delaunay condition - * (p1 is inside the circumcircle of [p0, pl, pr]), flip them, - * then do the same check/flip recursively for the new pair of triangles - * - * pl pl - * /||\ / \ - * al/ || \bl al/ \a - * / || \ / \ - * / a||b \ flip /___ar___\ - * p0\ || /p1 => p0\---bl---/p1 - * \ || / \ / - * ar\ || /br b\ /br - * \||/ \ / - * pr pr - */ - const a0 = a - a % 3; - ar = a0 + (a + 2) % 3; + function emitter(that, args, clean) { + var emit = that.__brush.emitter; + return emit && (!clean || !emit.clean) ? emit : new Emitter(that, args, clean); + } - if (b === -1) { // convex hull edge - if (i === 0) break; - a = EDGE_STACK[--i]; - continue; - } + function Emitter(that, args, clean) { + this.that = that; + this.args = args; + this.state = that.__brush; + this.active = 0; + this.clean = clean; + } - const b0 = b - b % 3; - const al = a0 + (a + 1) % 3; - const bl = b0 + (b + 2) % 3; + Emitter.prototype = { + beforestart: function() { + if (++this.active === 1) this.state.emitter = this, this.starting = true; + return this; + }, + start: function(event, mode) { + if (this.starting) this.starting = false, this.emit("start", event, mode); + else this.emit("brush", event); + return this; + }, + brush: function(event, mode) { + this.emit("brush", event, mode); + return this; + }, + end: function(event, mode) { + if (--this.active === 0) delete this.state.emitter, this.emit("end", event, mode); + return this; + }, + emit: function(type, event, mode) { + var d = d3Selection.select(this.that).datum(); + listeners.call( + type, + this.that, + new BrushEvent(type, { + sourceEvent: event, + target: brush, + selection: dim.output(this.state.selection), + mode, + dispatch: listeners + }), + d + ); + } + }; - const p0 = triangles[ar]; - const pr = triangles[a]; - const pl = triangles[al]; - const p1 = triangles[bl]; + function started(event) { + if (touchending && !event.touches) return; + if (!filter.apply(this, arguments)) return; - const illegal = inCircle( - coords[2 * p0], coords[2 * p0 + 1], - coords[2 * pr], coords[2 * pr + 1], - coords[2 * pl], coords[2 * pl + 1], - coords[2 * p1], coords[2 * p1 + 1]); - - if (illegal) { - triangles[a] = p1; - triangles[b] = p0; - - const hbl = halfedges[bl]; - - // edge swapped on the other side of the hull (rare); fix the halfedge reference - if (hbl === -1) { - let e = this._hullStart; - do { - if (this._hullTri[e] === bl) { - this._hullTri[e] = a; - break; - } - e = this._hullPrev[e]; - } while (e !== this._hullStart); - } - this._link(a, hbl); - this._link(b, halfedges[ar]); - this._link(ar, bl); - - const br = b0 + (b + 1) % 3; - - // don't worry about hitting the cap: it can only happen on extremely degenerate input - if (i < EDGE_STACK.length) { - EDGE_STACK[i++] = br; - } - } else { - if (i === 0) break; - a = EDGE_STACK[--i]; - } - } + var that = this, + type = event.target.__data__.type, + mode = (keys && event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (keys && event.altKey ? MODE_CENTER : MODE_HANDLE), + signX = dim === Y ? null : signsX[type], + signY = dim === X ? null : signsY[type], + state = local(that), + extent = state.extent, + selection = state.selection, + W = extent[0][0], w0, w1, + N = extent[0][1], n0, n1, + E = extent[1][0], e0, e1, + S = extent[1][1], s0, s1, + dx = 0, + dy = 0, + moving, + shifting = signX && signY && keys && event.shiftKey, + lockX, + lockY, + points = Array.from(event.touches || [event], t => { + const i = t.identifier; + t = d3Selection.pointer(t, that); + t.point0 = t.slice(); + t.identifier = i; + return t; + }); - return ar; + if (type === "overlay") { + if (selection) moving = true; + const pts = [points[0], points[1] || points[0]]; + state.selection = selection = [[ + w0 = dim === Y ? W : min(pts[0][0], pts[1][0]), + n0 = dim === X ? N : min(pts[0][1], pts[1][1]) + ], [ + e0 = dim === Y ? E : max(pts[0][0], pts[1][0]), + s0 = dim === X ? S : max(pts[0][1], pts[1][1]) + ]]; + if (points.length > 1) move(); + } else { + w0 = selection[0][0]; + n0 = selection[0][1]; + e0 = selection[1][0]; + s0 = selection[1][1]; } - _link(a, b) { - this._halfedges[a] = b; - if (b !== -1) this._halfedges[b] = a; - } + w1 = w0; + n1 = n0; + e1 = e0; + s1 = s0; - // add a new triangle given vertex indices and adjacent half-edge ids - _addTriangle(i0, i1, i2, a, b, c) { - const t = this.trianglesLen; + var group = d3Selection.select(that) + .attr("pointer-events", "none"); - this._triangles[t] = i0; - this._triangles[t + 1] = i1; - this._triangles[t + 2] = i2; + var overlay = group.selectAll(".overlay") + .attr("cursor", cursors[type]); - this._link(t, a); - this._link(t + 1, b); - this._link(t + 2, c); + d3Transition.interrupt(that); + var emit = emitter(that, arguments, true).beforestart(); - this.trianglesLen += 3; + if (event.touches) { + emit.moved = moved; + emit.ended = ended; + } else { + var view = d3Selection.select(event.view) + .on("mousemove.brush", moved, true) + .on("mouseup.brush", ended, true); + if (keys) view + .on("keydown.brush", keydowned, true) + .on("keyup.brush", keyupped, true); - return t; + d3Drag.dragDisable(event.view); } -} - -// monotonically increases with real angle, but doesn't need expensive trigonometry -function pseudoAngle(dx, dy) { - const p = dx / (Math.abs(dx) + Math.abs(dy)); - return (dy > 0 ? 3 - p : 1 + p) / 4; // [0..1] -} -function dist(ax, ay, bx, by) { - const dx = ax - bx; - const dy = ay - by; - return dx * dx + dy * dy; -} + redraw.call(that); + emit.start(event, mode.name); -// return 2d orientation sign if we're confident in it through J. Shewchuk's error bound check -function orientIfSure(px, py, rx, ry, qx, qy) { - const l = (ry - py) * (qx - px); - const r = (rx - px) * (qy - py); - return Math.abs(l - r) >= 3.3306690738754716e-16 * Math.abs(l + r) ? l - r : 0; -} + function moved(event) { + for (const p of event.changedTouches || [event]) { + for (const d of points) + if (d.identifier === p.identifier) d.cur = d3Selection.pointer(p, that); + } + if (shifting && !lockX && !lockY && points.length === 1) { + const point = points[0]; + if (abs(point.cur[0] - point[0]) > abs(point.cur[1] - point[1])) + lockY = true; + else + lockX = true; + } + for (const point of points) + if (point.cur) point[0] = point.cur[0], point[1] = point.cur[1]; + moving = true; + noevent(event); + move(event); + } -// a more robust orientation test that's stable in a given triangle (to fix robustness issues) -function orient(rx, ry, qx, qy, px, py) { - const sign = orientIfSure(px, py, rx, ry, qx, qy) || - orientIfSure(rx, ry, qx, qy, px, py) || - orientIfSure(qx, qy, px, py, rx, ry); - return sign < 0; -} + function move(event) { + const point = points[0], point0 = point.point0; + var t; -function inCircle(ax, ay, bx, by, cx, cy, px, py) { - const dx = ax - px; - const dy = ay - py; - const ex = bx - px; - const ey = by - py; - const fx = cx - px; - const fy = cy - py; + dx = point[0] - point0[0]; + dy = point[1] - point0[1]; - const ap = dx * dx + dy * dy; - const bp = ex * ex + ey * ey; - const cp = fx * fx + fy * fy; + switch (mode) { + case MODE_SPACE: + case MODE_DRAG: { + if (signX) dx = max(W - w0, min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; + if (signY) dy = max(N - n0, min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; + break; + } + case MODE_HANDLE: { + if (points[1]) { + if (signX) w1 = max(W, min(E, points[0][0])), e1 = max(W, min(E, points[1][0])), signX = 1; + if (signY) n1 = max(N, min(S, points[0][1])), s1 = max(N, min(S, points[1][1])), signY = 1; + } else { + if (signX < 0) dx = max(W - w0, min(E - w0, dx)), w1 = w0 + dx, e1 = e0; + else if (signX > 0) dx = max(W - e0, min(E - e0, dx)), w1 = w0, e1 = e0 + dx; + if (signY < 0) dy = max(N - n0, min(S - n0, dy)), n1 = n0 + dy, s1 = s0; + else if (signY > 0) dy = max(N - s0, min(S - s0, dy)), n1 = n0, s1 = s0 + dy; + } + break; + } + case MODE_CENTER: { + if (signX) w1 = max(W, min(E, w0 - dx * signX)), e1 = max(W, min(E, e0 + dx * signX)); + if (signY) n1 = max(N, min(S, n0 - dy * signY)), s1 = max(N, min(S, s0 + dy * signY)); + break; + } + } - return dx * (ey * cp - bp * fy) - - dy * (ex * cp - bp * fx) + - ap * (ex * fy - ey * fx) < 0; -} + if (e1 < w1) { + signX *= -1; + t = w0, w0 = e0, e0 = t; + t = w1, w1 = e1, e1 = t; + if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]); + } -function circumradius(ax, ay, bx, by, cx, cy) { - const dx = bx - ax; - const dy = by - ay; - const ex = cx - ax; - const ey = cy - ay; + if (s1 < n1) { + signY *= -1; + t = n0, n0 = s0, s0 = t; + t = n1, n1 = s1, s1 = t; + if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); + } - const bl = dx * dx + dy * dy; - const cl = ex * ex + ey * ey; - const d = 0.5 / (dx * ey - dy * ex); + if (state.selection) selection = state.selection; // May be set by brush.move! + if (lockX) w1 = selection[0][0], e1 = selection[1][0]; + if (lockY) n1 = selection[0][1], s1 = selection[1][1]; - const x = (ey * bl - dy * cl) * d; - const y = (dx * cl - ex * bl) * d; + if (selection[0][0] !== w1 + || selection[0][1] !== n1 + || selection[1][0] !== e1 + || selection[1][1] !== s1) { + state.selection = [[w1, n1], [e1, s1]]; + redraw.call(that); + emit.brush(event, mode.name); + } + } - return x * x + y * y; -} + function ended(event) { + nopropagation(event); + if (event.touches) { + if (event.touches.length) return; + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! + } else { + d3Drag.dragEnable(event.view, moving); + view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); + } + group.attr("pointer-events", "all"); + overlay.attr("cursor", cursors.overlay); + if (state.selection) selection = state.selection; // May be set by brush.move (on start)! + if (empty(selection)) state.selection = null, redraw.call(that); + emit.end(event, mode.name); + } -function circumcenter(ax, ay, bx, by, cx, cy) { - const dx = bx - ax; - const dy = by - ay; - const ex = cx - ax; - const ey = cy - ay; + function keydowned(event) { + switch (event.keyCode) { + case 16: { // SHIFT + shifting = signX && signY; + break; + } + case 18: { // ALT + if (mode === MODE_HANDLE) { + if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; + if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; + mode = MODE_CENTER; + move(); + } + break; + } + case 32: { // SPACE; takes priority over ALT + if (mode === MODE_HANDLE || mode === MODE_CENTER) { + if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx; + if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy; + mode = MODE_SPACE; + overlay.attr("cursor", cursors.selection); + move(); + } + break; + } + default: return; + } + noevent(event); + } - const bl = dx * dx + dy * dy; - const cl = ex * ex + ey * ey; - const d = 0.5 / (dx * ey - dy * ex); + function keyupped(event) { + switch (event.keyCode) { + case 16: { // SHIFT + if (shifting) { + lockX = lockY = shifting = false; + move(); + } + break; + } + case 18: { // ALT + if (mode === MODE_CENTER) { + if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; + if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; + mode = MODE_HANDLE; + move(); + } + break; + } + case 32: { // SPACE + if (mode === MODE_SPACE) { + if (event.altKey) { + if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; + if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; + mode = MODE_CENTER; + } else { + if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; + if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; + mode = MODE_HANDLE; + } + overlay.attr("cursor", cursors[type]); + move(); + } + break; + } + default: return; + } + noevent(event); + } + } - const x = ax + (ey * bl - dy * cl) * d; - const y = ay + (dx * cl - ex * bl) * d; + function touchmoved(event) { + emitter(this, arguments).moved(event); + } - return {x, y}; -} + function touchended(event) { + emitter(this, arguments).ended(event); + } -function quicksort(ids, dists, left, right) { - if (right - left <= 20) { - for (let i = left + 1; i <= right; i++) { - const temp = ids[i]; - const tempDist = dists[temp]; - let j = i - 1; - while (j >= left && dists[ids[j]] > tempDist) ids[j + 1] = ids[j--]; - ids[j + 1] = temp; - } - } else { - const median = (left + right) >> 1; - let i = left + 1; - let j = right; - swap(ids, median, i); - if (dists[ids[left]] > dists[ids[right]]) swap(ids, left, right); - if (dists[ids[i]] > dists[ids[right]]) swap(ids, i, right); - if (dists[ids[left]] > dists[ids[i]]) swap(ids, left, i); + function initialize() { + var state = this.__brush || {selection: null}; + state.extent = number2(extent.apply(this, arguments)); + state.dim = dim; + return state; + } - const temp = ids[i]; - const tempDist = dists[temp]; - while (true) { - do i++; while (dists[ids[i]] < tempDist); - do j--; while (dists[ids[j]] > tempDist); - if (j < i) break; - swap(ids, i, j); - } - ids[left + 1] = ids[j]; - ids[j] = temp; + brush.extent = function(_) { + return arguments.length ? (extent = typeof _ === "function" ? _ : constant(number2(_)), brush) : extent; + }; - if (right - i + 1 >= j - left) { - quicksort(ids, dists, i, right); - quicksort(ids, dists, left, j - 1); - } else { - quicksort(ids, dists, left, j - 1); - quicksort(ids, dists, i, right); - } - } -} + brush.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant(!!_), brush) : filter; + }; -function swap(arr, i, j) { - const tmp = arr[i]; - arr[i] = arr[j]; - arr[j] = tmp; -} + brush.touchable = function(_) { + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant(!!_), brush) : touchable; + }; -function defaultGetX(p) { - return p[0]; + brush.handleSize = function(_) { + return arguments.length ? (handleSize = +_, brush) : handleSize; + }; + + brush.keyModifiers = function(_) { + return arguments.length ? (keys = !!_, brush) : keys; + }; + + brush.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? brush : value; + }; + + return brush; } -function defaultGetY(p) { - return p[1]; + +exports.brush = brush; +exports.brushSelection = brushSelection; +exports.brushX = brushX; +exports.brushY = brushY; + +Object.defineProperty(exports, '__esModule', { value: true }); + +})); +}); + +var d3Path = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-path/ v2.0.0 Copyright 2020 Mike Bostock +(function (global, factory) { +factory(exports) ; +}(commonjsGlobal, function (exports) { +const pi = Math.PI, + tau = 2 * pi, + epsilon = 1e-6, + tauEpsilon = tau - epsilon; + +function Path() { + this._x0 = this._y0 = // start of current subpath + this._x1 = this._y1 = null; // end of current subpath + this._ = ""; } -const epsilon = 1e-6; +function path() { + return new Path; +} -class Path { - constructor() { - this._x0 = this._y0 = // start of current subpath - this._x1 = this._y1 = null; // end of current subpath - this._ = ""; - } - moveTo(x, y) { - this._ += `M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}`; - } - closePath() { +Path.prototype = path.prototype = { + constructor: Path, + moveTo: function(x, y) { + this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y); + }, + closePath: function() { if (this._x1 !== null) { this._x1 = this._x0, this._y1 = this._y0; this._ += "Z"; } - } - lineTo(x, y) { - this._ += `L${this._x1 = +x},${this._y1 = +y}`; - } - arc(x, y, r) { - x = +x, y = +y, r = +r; - const x0 = x + r; - const y0 = y; - if (r < 0) throw new Error("negative radius"); - if (this._x1 === null) this._ += `M${x0},${y0}`; - else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) this._ += "L" + x0 + "," + y0; - if (!r) return; - this._ += `A${r},${r},0,1,1,${x - r},${y}A${r},${r},0,1,1,${this._x1 = x0},${this._y1 = y0}`; - } - rect(x, y, w, h) { - this._ += `M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}h${+w}v${+h}h${-w}Z`; - } - value() { - return this._ || null; - } -} + }, + lineTo: function(x, y) { + this._ += "L" + (this._x1 = +x) + "," + (this._y1 = +y); + }, + quadraticCurveTo: function(x1, y1, x, y) { + this._ += "Q" + (+x1) + "," + (+y1) + "," + (this._x1 = +x) + "," + (this._y1 = +y); + }, + bezierCurveTo: function(x1, y1, x2, y2, x, y) { + this._ += "C" + (+x1) + "," + (+y1) + "," + (+x2) + "," + (+y2) + "," + (this._x1 = +x) + "," + (this._y1 = +y); + }, + arcTo: function(x1, y1, x2, y2, r) { + x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; + var x0 = this._x1, + y0 = this._y1, + x21 = x2 - x1, + y21 = y2 - y1, + x01 = x0 - x1, + y01 = y0 - y1, + l01_2 = x01 * x01 + y01 * y01; -class Polygon { - constructor() { - this._ = []; - } - moveTo(x, y) { - this._.push([x, y]); - } - closePath() { - this._.push(this._[0].slice()); - } - lineTo(x, y) { - this._.push([x, y]); - } - value() { - return this._.length ? this._ : null; - } -} + // Is the radius negative? Error. + if (r < 0) throw new Error("negative radius: " + r); -class Voronoi { - constructor(delaunay, [xmin, ymin, xmax, ymax] = [0, 0, 960, 500]) { - if (!((xmax = +xmax) >= (xmin = +xmin)) || !((ymax = +ymax) >= (ymin = +ymin))) throw new Error("invalid bounds"); - this.delaunay = delaunay; - this._circumcenters = new Float64Array(delaunay.points.length * 2); - this.vectors = new Float64Array(delaunay.points.length * 2); - this.xmax = xmax, this.xmin = xmin; - this.ymax = ymax, this.ymin = ymin; - this._init(); - } - update() { - this.delaunay.update(); - this._init(); - return this; - } - _init() { - const {delaunay: {points, hull, triangles}, vectors} = this; + // Is this path empty? Move to (x1,y1). + if (this._x1 === null) { + this._ += "M" + (this._x1 = x1) + "," + (this._y1 = y1); + } - // Compute circumcenters. - const circumcenters = this.circumcenters = this._circumcenters.subarray(0, triangles.length / 3 * 2); - for (let i = 0, j = 0, n = triangles.length, x, y; i < n; i += 3, j += 2) { - const t1 = triangles[i] * 2; - const t2 = triangles[i + 1] * 2; - const t3 = triangles[i + 2] * 2; - const x1 = points[t1]; - const y1 = points[t1 + 1]; - const x2 = points[t2]; - const y2 = points[t2 + 1]; - const x3 = points[t3]; - const y3 = points[t3 + 1]; + // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. + else if (!(l01_2 > epsilon)); - const dx = x2 - x1; - const dy = y2 - y1; - const ex = x3 - x1; - const ey = y3 - y1; - const bl = dx * dx + dy * dy; - const cl = ex * ex + ey * ey; - const ab = (dx * ey - dy * ex) * 2; + // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? + // Equivalently, is (x1,y1) coincident with (x2,y2)? + // Or, is the radius zero? Line to (x1,y1). + else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) { + this._ += "L" + (this._x1 = x1) + "," + (this._y1 = y1); + } - if (!ab) { - // degenerate case (collinear diagram) - x = (x1 + x3) / 2 - 1e8 * ey; - y = (y1 + y3) / 2 + 1e8 * ex; - } - else if (Math.abs(ab) < 1e-8) { - // almost equal points (degenerate triangle) - x = (x1 + x3) / 2; - y = (y1 + y3) / 2; - } else { - const d = 1 / ab; - x = x1 + (ey * bl - dy * cl) * d; - y = y1 + (dx * cl - ex * bl) * d; + // Otherwise, draw an arc! + else { + var x20 = x2 - x0, + y20 = y2 - y0, + l21_2 = x21 * x21 + y21 * y21, + l20_2 = x20 * x20 + y20 * y20, + l21 = Math.sqrt(l21_2), + l01 = Math.sqrt(l01_2), + l = r * Math.tan((pi - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2), + t01 = l / l01, + t21 = l / l21; + + // If the start tangent is not coincident with (x0,y0), line to. + if (Math.abs(t01 - 1) > epsilon) { + this._ += "L" + (x1 + t01 * x01) + "," + (y1 + t01 * y01); } - circumcenters[j] = x; - circumcenters[j + 1] = y; - } - // Compute exterior cell rays. - let h = hull[hull.length - 1]; - let p0, p1 = h * 4; - let x0, x1 = points[2 * h]; - let y0, y1 = points[2 * h + 1]; - vectors.fill(0); - for (let i = 0; i < hull.length; ++i) { - h = hull[i]; - p0 = p1, x0 = x1, y0 = y1; - p1 = h * 4, x1 = points[2 * h], y1 = points[2 * h + 1]; - vectors[p0 + 2] = vectors[p1] = y0 - y1; - vectors[p0 + 3] = vectors[p1 + 1] = x1 - x0; - } - } - render(context) { - const buffer = context == null ? context = new Path : undefined; - const {delaunay: {halfedges, inedges, hull}, circumcenters, vectors} = this; - if (hull.length <= 1) return null; - for (let i = 0, n = halfedges.length; i < n; ++i) { - const j = halfedges[i]; - if (j < i) continue; - const ti = Math.floor(i / 3) * 2; - const tj = Math.floor(j / 3) * 2; - const xi = circumcenters[ti]; - const yi = circumcenters[ti + 1]; - const xj = circumcenters[tj]; - const yj = circumcenters[tj + 1]; - this._renderSegment(xi, yi, xj, yj, context); - } - let h0, h1 = hull[hull.length - 1]; - for (let i = 0; i < hull.length; ++i) { - h0 = h1, h1 = hull[i]; - const t = Math.floor(inedges[h1] / 3) * 2; - const x = circumcenters[t]; - const y = circumcenters[t + 1]; - const v = h0 * 4; - const p = this._project(x, y, vectors[v + 2], vectors[v + 3]); - if (p) this._renderSegment(x, y, p[0], p[1], context); + this._ += "A" + r + "," + r + ",0,0," + (+(y01 * x20 > x01 * y20)) + "," + (this._x1 = x1 + t21 * x21) + "," + (this._y1 = y1 + t21 * y21); } - return buffer && buffer.value(); - } - renderBounds(context) { - const buffer = context == null ? context = new Path : undefined; - context.rect(this.xmin, this.ymin, this.xmax - this.xmin, this.ymax - this.ymin); - return buffer && buffer.value(); - } - renderCell(i, context) { - const buffer = context == null ? context = new Path : undefined; - const points = this._clip(i); - if (points === null || !points.length) return; - context.moveTo(points[0], points[1]); - let n = points.length; - while (points[0] === points[n-2] && points[1] === points[n-1] && n > 1) n -= 2; - for (let i = 2; i < n; i += 2) { - if (points[i] !== points[i-2] || points[i+1] !== points[i-1]) - context.lineTo(points[i], points[i + 1]); + }, + arc: function(x, y, r, a0, a1, ccw) { + x = +x, y = +y, r = +r, ccw = !!ccw; + var dx = r * Math.cos(a0), + dy = r * Math.sin(a0), + x0 = x + dx, + y0 = y + dy, + cw = 1 ^ ccw, + da = ccw ? a0 - a1 : a1 - a0; + + // Is the radius negative? Error. + if (r < 0) throw new Error("negative radius: " + r); + + // Is this path empty? Move to (x0,y0). + if (this._x1 === null) { + this._ += "M" + x0 + "," + y0; } - context.closePath(); - return buffer && buffer.value(); - } - *cellPolygons() { - const {delaunay: {points}} = this; - for (let i = 0, n = points.length / 2; i < n; ++i) { - const cell = this.cellPolygon(i); - if (cell) cell.index = i, yield cell; + + // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). + else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) { + this._ += "L" + x0 + "," + y0; } - } - cellPolygon(i) { - const polygon = new Polygon; - this.renderCell(i, polygon); - return polygon.value(); - } - _renderSegment(x0, y0, x1, y1, context) { - let S; - const c0 = this._regioncode(x0, y0); - const c1 = this._regioncode(x1, y1); - if (c0 === 0 && c1 === 0) { - context.moveTo(x0, y0); - context.lineTo(x1, y1); - } else if (S = this._clipSegment(x0, y0, x1, y1, c0, c1)) { - context.moveTo(S[0], S[1]); - context.lineTo(S[2], S[3]); + + // Is this arc empty? We’re done. + if (!r) return; + + // Does the angle go the wrong way? Flip the direction. + if (da < 0) da = da % tau + tau; + + // Is this a complete circle? Draw two arcs to complete the circle. + if (da > tauEpsilon) { + this._ += "A" + r + "," + r + ",0,1," + cw + "," + (x - dx) + "," + (y - dy) + "A" + r + "," + r + ",0,1," + cw + "," + (this._x1 = x0) + "," + (this._y1 = y0); } - } - contains(i, x, y) { - if ((x = +x, x !== x) || (y = +y, y !== y)) return false; - return this.delaunay._step(i, x, y) === i; - } - *neighbors(i) { - const ci = this._clip(i); - if (ci) for (const j of this.delaunay.neighbors(i)) { - const cj = this._clip(j); - // find the common edge - if (cj) loop: for (let ai = 0, li = ci.length; ai < li; ai += 2) { - for (let aj = 0, lj = cj.length; aj < lj; aj += 2) { - if (ci[ai] == cj[aj] - && ci[ai + 1] == cj[aj + 1] - && ci[(ai + 2) % li] == cj[(aj + lj - 2) % lj] - && ci[(ai + 3) % li] == cj[(aj + lj - 1) % lj] - ) { - yield j; - break loop; - } - } - } + + // Is this arc non-empty? Draw an arc! + else if (da > epsilon) { + this._ += "A" + r + "," + r + ",0," + (+(da >= pi)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1)); } + }, + rect: function(x, y, w, h) { + this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y) + "h" + (+w) + "v" + (+h) + "h" + (-w) + "Z"; + }, + toString: function() { + return this._; } - _cell(i) { - const {circumcenters, delaunay: {inedges, halfedges, triangles}} = this; - const e0 = inedges[i]; - if (e0 === -1) return null; // coincident point - const points = []; - let e = e0; - do { - const t = Math.floor(e / 3); - points.push(circumcenters[t * 2], circumcenters[t * 2 + 1]); - e = e % 3 === 2 ? e - 2 : e + 1; - if (triangles[e] !== i) break; // bad triangulation - e = halfedges[e]; - } while (e !== e0 && e !== -1); - return points; - } - _clip(i) { - // degenerate case (1 valid point: return the box) - if (i === 0 && this.delaunay.hull.length === 1) { - return [this.xmax, this.ymin, this.xmax, this.ymax, this.xmin, this.ymax, this.xmin, this.ymin]; - } - const points = this._cell(i); - if (points === null) return null; - const {vectors: V} = this; - const v = i * 4; - return V[v] || V[v + 1] - ? this._clipInfinite(i, points, V[v], V[v + 1], V[v + 2], V[v + 3]) - : this._clipFinite(i, points); - } - _clipFinite(i, points) { - const n = points.length; - let P = null; - let x0, y0, x1 = points[n - 2], y1 = points[n - 1]; - let c0, c1 = this._regioncode(x1, y1); - let e0, e1; - for (let j = 0; j < n; j += 2) { - x0 = x1, y0 = y1, x1 = points[j], y1 = points[j + 1]; - c0 = c1, c1 = this._regioncode(x1, y1); - if (c0 === 0 && c1 === 0) { - e0 = e1, e1 = 0; - if (P) P.push(x1, y1); - else P = [x1, y1]; - } else { - let S, sx0, sy0, sx1, sy1; - if (c0 === 0) { - if ((S = this._clipSegment(x0, y0, x1, y1, c0, c1)) === null) continue; - [sx0, sy0, sx1, sy1] = S; - } else { - if ((S = this._clipSegment(x1, y1, x0, y0, c1, c0)) === null) continue; - [sx1, sy1, sx0, sy0] = S; - e0 = e1, e1 = this._edgecode(sx0, sy0); - if (e0 && e1) this._edge(i, e0, e1, P, P.length); - if (P) P.push(sx0, sy0); - else P = [sx0, sy0]; - } - e0 = e1, e1 = this._edgecode(sx1, sy1); - if (e0 && e1) this._edge(i, e0, e1, P, P.length); - if (P) P.push(sx1, sy1); - else P = [sx1, sy1]; - } - } - if (P) { - e0 = e1, e1 = this._edgecode(P[0], P[1]); - if (e0 && e1) this._edge(i, e0, e1, P, P.length); - } else if (this.contains(i, (this.xmin + this.xmax) / 2, (this.ymin + this.ymax) / 2)) { - return [this.xmax, this.ymin, this.xmax, this.ymax, this.xmin, this.ymax, this.xmin, this.ymin]; - } - return P; - } - _clipSegment(x0, y0, x1, y1, c0, c1) { - while (true) { - if (c0 === 0 && c1 === 0) return [x0, y0, x1, y1]; - if (c0 & c1) return null; - let x, y, c = c0 || c1; - if (c & 0b1000) x = x0 + (x1 - x0) * (this.ymax - y0) / (y1 - y0), y = this.ymax; - else if (c & 0b0100) x = x0 + (x1 - x0) * (this.ymin - y0) / (y1 - y0), y = this.ymin; - else if (c & 0b0010) y = y0 + (y1 - y0) * (this.xmax - x0) / (x1 - x0), x = this.xmax; - else y = y0 + (y1 - y0) * (this.xmin - x0) / (x1 - x0), x = this.xmin; - if (c0) x0 = x, y0 = y, c0 = this._regioncode(x0, y0); - else x1 = x, y1 = y, c1 = this._regioncode(x1, y1); - } - } - _clipInfinite(i, points, vx0, vy0, vxn, vyn) { - let P = Array.from(points), p; - if (p = this._project(P[0], P[1], vx0, vy0)) P.unshift(p[0], p[1]); - if (p = this._project(P[P.length - 2], P[P.length - 1], vxn, vyn)) P.push(p[0], p[1]); - if (P = this._clipFinite(i, P)) { - for (let j = 0, n = P.length, c0, c1 = this._edgecode(P[n - 2], P[n - 1]); j < n; j += 2) { - c0 = c1, c1 = this._edgecode(P[j], P[j + 1]); - if (c0 && c1) j = this._edge(i, c0, c1, P, j), n = P.length; - } - } else if (this.contains(i, (this.xmin + this.xmax) / 2, (this.ymin + this.ymax) / 2)) { - P = [this.xmin, this.ymin, this.xmax, this.ymin, this.xmax, this.ymax, this.xmin, this.ymax]; - } - return P; - } - _edge(i, e0, e1, P, j) { - while (e0 !== e1) { - let x, y; - switch (e0) { - case 0b0101: e0 = 0b0100; continue; // top-left - case 0b0100: e0 = 0b0110, x = this.xmax, y = this.ymin; break; // top - case 0b0110: e0 = 0b0010; continue; // top-right - case 0b0010: e0 = 0b1010, x = this.xmax, y = this.ymax; break; // right - case 0b1010: e0 = 0b1000; continue; // bottom-right - case 0b1000: e0 = 0b1001, x = this.xmin, y = this.ymax; break; // bottom - case 0b1001: e0 = 0b0001; continue; // bottom-left - case 0b0001: e0 = 0b0101, x = this.xmin, y = this.ymin; break; // left - } - if ((P[j] !== x || P[j + 1] !== y) && this.contains(i, x, y)) { - P.splice(j, 0, x, y), j += 2; - } - } - if (P.length > 4) { - for (let i = 0; i < P.length; i+= 2) { - const j = (i + 2) % P.length, k = (i + 4) % P.length; - if (P[i] === P[j] && P[j] === P[k] - || P[i + 1] === P[j + 1] && P[j + 1] === P[k + 1]) - P.splice(j, 2), i -= 2; - } - } - return j; - } - _project(x0, y0, vx, vy) { - let t = Infinity, c, x, y; - if (vy < 0) { // top - if (y0 <= this.ymin) return null; - if ((c = (this.ymin - y0) / vy) < t) y = this.ymin, x = x0 + (t = c) * vx; - } else if (vy > 0) { // bottom - if (y0 >= this.ymax) return null; - if ((c = (this.ymax - y0) / vy) < t) y = this.ymax, x = x0 + (t = c) * vx; - } - if (vx > 0) { // right - if (x0 >= this.xmax) return null; - if ((c = (this.xmax - x0) / vx) < t) x = this.xmax, y = y0 + (t = c) * vy; - } else if (vx < 0) { // left - if (x0 <= this.xmin) return null; - if ((c = (this.xmin - x0) / vx) < t) x = this.xmin, y = y0 + (t = c) * vy; - } - return [x, y]; - } - _edgecode(x, y) { - return (x === this.xmin ? 0b0001 - : x === this.xmax ? 0b0010 : 0b0000) - | (y === this.ymin ? 0b0100 - : y === this.ymax ? 0b1000 : 0b0000); - } - _regioncode(x, y) { - return (x < this.xmin ? 0b0001 - : x > this.xmax ? 0b0010 : 0b0000) - | (y < this.ymin ? 0b0100 - : y > this.ymax ? 0b1000 : 0b0000); - } -} +}; -const tau = 2 * Math.PI, pow = Math.pow; +exports.path = path; -function pointX(p) { - return p[0]; +Object.defineProperty(exports, '__esModule', { value: true }); + +})); +}); + +var d3Chord = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-chord/ v2.0.0 Copyright 2020 Mike Bostock +(function (global, factory) { +factory(exports, d3Path) ; +}(commonjsGlobal, function (exports, d3Path) { +var abs = Math.abs; +var cos = Math.cos; +var sin = Math.sin; +var pi = Math.PI; +var halfPi = pi / 2; +var tau = pi * 2; +var max = Math.max; +var epsilon = 1e-12; + +function range(i, j) { + return Array.from({length: j - i}, (_, k) => i + k); } -function pointY(p) { - return p[1]; +function compareValue(compare) { + return function(a, b) { + return compare( + a.source.value + a.target.value, + b.source.value + b.target.value + ); + }; } -// A triangulation is collinear if all its triangles have a non-null area -function collinear(d) { - const {triangles, coords} = d; - for (let i = 0; i < triangles.length; i += 3) { - const a = 2 * triangles[i], - b = 2 * triangles[i + 1], - c = 2 * triangles[i + 2], - cross = (coords[c] - coords[a]) * (coords[b + 1] - coords[a + 1]) - - (coords[b] - coords[a]) * (coords[c + 1] - coords[a + 1]); - if (cross > 1e-10) return false; - } - return true; +function chord() { + return chord$1(false, false); } -function jitter(x, y, r) { - return [x + Math.sin(x + y) * r, y + Math.cos(x - y) * r]; +function chordTranspose() { + return chord$1(false, true); } -class Delaunay { - static from(points, fx = pointX, fy = pointY, that) { - return new Delaunay("length" in points - ? flatArray(points, fx, fy, that) - : Float64Array.from(flatIterable(points, fx, fy, that))); - } - constructor(points) { - this._delaunator = new Delaunator(points); - this.inedges = new Int32Array(points.length / 2); - this._hullIndex = new Int32Array(points.length / 2); - this.points = this._delaunator.coords; - this._init(); - } - update() { - this._delaunator.update(); - this._init(); - return this; - } - _init() { - const d = this._delaunator, points = this.points; +function chordDirected() { + return chord$1(true, false); +} - // check for collinear - if (d.hull && d.hull.length > 2 && collinear(d)) { - this.collinear = Int32Array.from({length: points.length/2}, (_,i) => i) - .sort((i, j) => points[2 * i] - points[2 * j] || points[2 * i + 1] - points[2 * j + 1]); // for exact neighbors - const e = this.collinear[0], f = this.collinear[this.collinear.length - 1], - bounds = [ points[2 * e], points[2 * e + 1], points[2 * f], points[2 * f + 1] ], - r = 1e-8 * Math.hypot(bounds[3] - bounds[1], bounds[2] - bounds[0]); - for (let i = 0, n = points.length / 2; i < n; ++i) { - const p = jitter(points[2 * i], points[2 * i + 1], r); - points[2 * i] = p[0]; - points[2 * i + 1] = p[1]; - } - this._delaunator = new Delaunator(points); - } else { - delete this.collinear; - } +function chord$1(directed, transpose) { + var padAngle = 0, + sortGroups = null, + sortSubgroups = null, + sortChords = null; - const halfedges = this.halfedges = this._delaunator.halfedges; - const hull = this.hull = this._delaunator.hull; - const triangles = this.triangles = this._delaunator.triangles; - const inedges = this.inedges.fill(-1); - const hullIndex = this._hullIndex.fill(-1); + function chord(matrix) { + var n = matrix.length, + groupSums = new Array(n), + groupIndex = range(0, n), + chords = new Array(n * n), + groups = new Array(n), + k = 0, dx; - // Compute an index from each point to an (arbitrary) incoming halfedge - // Used to give the first neighbor of each point; for this reason, - // on the hull we give priority to exterior halfedges - for (let e = 0, n = halfedges.length; e < n; ++e) { - const p = triangles[e % 3 === 2 ? e - 2 : e + 1]; - if (halfedges[e] === -1 || inedges[p] === -1) inedges[p] = e; - } - for (let i = 0, n = hull.length; i < n; ++i) { - hullIndex[hull[i]] = i; + matrix = Float64Array.from({length: n * n}, transpose + ? (_, i) => matrix[i % n][i / n | 0] + : (_, i) => matrix[i / n | 0][i % n]); + + // Compute the scaling factor from value to angle in [0, 2pi]. + for (let i = 0; i < n; ++i) { + let x = 0; + for (let j = 0; j < n; ++j) x += matrix[i * n + j] + directed * matrix[j * n + i]; + k += groupSums[i] = x; } + k = max(0, tau - padAngle * n) / k; + dx = k ? padAngle : tau / n; - // degenerate case: 1 or 2 (distinct) points - if (hull.length <= 2 && hull.length > 0) { - this.triangles = new Int32Array(3).fill(-1); - this.halfedges = new Int32Array(3).fill(-1); - this.triangles[0] = hull[0]; - this.triangles[1] = hull[1]; - this.triangles[2] = hull[1]; - inedges[hull[0]] = 1; - if (hull.length === 2) inedges[hull[1]] = 0; - } - } - voronoi(bounds) { - return new Voronoi(this, bounds); - } - *neighbors(i) { - const {inedges, hull, _hullIndex, halfedges, triangles, collinear} = this; - - // degenerate case with several collinear points - if (collinear) { - const l = collinear.indexOf(i); - if (l > 0) yield collinear[l - 1]; - if (l < collinear.length - 1) yield collinear[l + 1]; - return; - } - - const e0 = inedges[i]; - if (e0 === -1) return; // coincident point - let e = e0, p0 = -1; - do { - yield p0 = triangles[e]; - e = e % 3 === 2 ? e - 2 : e + 1; - if (triangles[e] !== i) return; // bad triangulation - e = halfedges[e]; - if (e === -1) { - const p = hull[(_hullIndex[i] + 1) % hull.length]; - if (p !== p0) yield p; - return; - } - } while (e !== e0); - } - find(x, y, i = 0) { - if ((x = +x, x !== x) || (y = +y, y !== y)) return -1; - const i0 = i; - let c; - while ((c = this._step(i, x, y)) >= 0 && c !== i && c !== i0) i = c; - return c; - } - _step(i, x, y) { - const {inedges, hull, _hullIndex, halfedges, triangles, points} = this; - if (inedges[i] === -1 || !points.length) return (i + 1) % (points.length >> 1); - let c = i; - let dc = pow(x - points[i * 2], 2) + pow(y - points[i * 2 + 1], 2); - const e0 = inedges[i]; - let e = e0; - do { - let t = triangles[e]; - const dt = pow(x - points[t * 2], 2) + pow(y - points[t * 2 + 1], 2); - if (dt < dc) dc = dt, c = t; - e = e % 3 === 2 ? e - 2 : e + 1; - if (triangles[e] !== i) break; // bad triangulation - e = halfedges[e]; - if (e === -1) { - e = hull[(_hullIndex[i] + 1) % hull.length]; - if (e !== t) { - if (pow(x - points[e * 2], 2) + pow(y - points[e * 2 + 1], 2) < dc) return e; + // Compute the angles for each group and constituent chord. + { + let x = 0; + if (sortGroups) groupIndex.sort((a, b) => sortGroups(groupSums[a], groupSums[b])); + for (const i of groupIndex) { + const x0 = x; + if (directed) { + const subgroupIndex = range(~n + 1, n).filter(j => j < 0 ? matrix[~j * n + i] : matrix[i * n + j]); + if (sortSubgroups) subgroupIndex.sort((a, b) => sortSubgroups(a < 0 ? -matrix[~a * n + i] : matrix[i * n + a], b < 0 ? -matrix[~b * n + i] : matrix[i * n + b])); + for (const j of subgroupIndex) { + if (j < 0) { + const chord = chords[~j * n + i] || (chords[~j * n + i] = {source: null, target: null}); + chord.target = {index: i, startAngle: x, endAngle: x += matrix[~j * n + i] * k, value: matrix[~j * n + i]}; + } else { + const chord = chords[i * n + j] || (chords[i * n + j] = {source: null, target: null}); + chord.source = {index: i, startAngle: x, endAngle: x += matrix[i * n + j] * k, value: matrix[i * n + j]}; + } + } + groups[i] = {index: i, startAngle: x0, endAngle: x, value: groupSums[i]}; + } else { + const subgroupIndex = range(0, n).filter(j => matrix[i * n + j] || matrix[j * n + i]); + if (sortSubgroups) subgroupIndex.sort((a, b) => sortSubgroups(matrix[i * n + a], matrix[i * n + b])); + for (const j of subgroupIndex) { + let chord; + if (i < j) { + chord = chords[i * n + j] || (chords[i * n + j] = {source: null, target: null}); + chord.source = {index: i, startAngle: x, endAngle: x += matrix[i * n + j] * k, value: matrix[i * n + j]}; + } else { + chord = chords[j * n + i] || (chords[j * n + i] = {source: null, target: null}); + chord.target = {index: i, startAngle: x, endAngle: x += matrix[i * n + j] * k, value: matrix[i * n + j]}; + if (i === j) chord.source = chord.target; + } + if (chord.source && chord.target && chord.source.value < chord.target.value) { + const source = chord.source; + chord.source = chord.target; + chord.target = source; + } + } + groups[i] = {index: i, startAngle: x0, endAngle: x, value: groupSums[i]}; } - break; + x += dx; } - } while (e !== e0); - return c; - } - render(context) { - const buffer = context == null ? context = new Path : undefined; - const {points, halfedges, triangles} = this; - for (let i = 0, n = halfedges.length; i < n; ++i) { - const j = halfedges[i]; - if (j < i) continue; - const ti = triangles[i] * 2; - const tj = triangles[j] * 2; - context.moveTo(points[ti], points[ti + 1]); - context.lineTo(points[tj], points[tj + 1]); - } - this.renderHull(context); - return buffer && buffer.value(); - } - renderPoints(context, r = 2) { - const buffer = context == null ? context = new Path : undefined; - const {points} = this; - for (let i = 0, n = points.length; i < n; i += 2) { - const x = points[i], y = points[i + 1]; - context.moveTo(x + r, y); - context.arc(x, y, r, 0, tau); - } - return buffer && buffer.value(); - } - renderHull(context) { - const buffer = context == null ? context = new Path : undefined; - const {hull, points} = this; - const h = hull[0] * 2, n = hull.length; - context.moveTo(points[h], points[h + 1]); - for (let i = 1; i < n; ++i) { - const h = 2 * hull[i]; - context.lineTo(points[h], points[h + 1]); - } - context.closePath(); - return buffer && buffer.value(); - } - hullPolygon() { - const polygon = new Polygon; - this.renderHull(polygon); - return polygon.value(); - } - renderTriangle(i, context) { - const buffer = context == null ? context = new Path : undefined; - const {points, triangles} = this; - const t0 = triangles[i *= 3] * 2; - const t1 = triangles[i + 1] * 2; - const t2 = triangles[i + 2] * 2; - context.moveTo(points[t0], points[t0 + 1]); - context.lineTo(points[t1], points[t1 + 1]); - context.lineTo(points[t2], points[t2 + 1]); - context.closePath(); - return buffer && buffer.value(); - } - *trianglePolygons() { - const {triangles} = this; - for (let i = 0, n = triangles.length / 3; i < n; ++i) { - yield this.trianglePolygon(i); } - } - trianglePolygon(i) { - const polygon = new Polygon; - this.renderTriangle(i, polygon); - return polygon.value(); - } -} - -function flatArray(points, fx, fy, that) { - const n = points.length; - const array = new Float64Array(n * 2); - for (let i = 0; i < n; ++i) { - const p = points[i]; - array[i * 2] = fx.call(that, p, i, points); - array[i * 2 + 1] = fy.call(that, p, i, points); - } - return array; -} -function* flatIterable(points, fx, fy, that) { - let i = 0; - for (const p of points) { - yield fx.call(that, p, i, points); - yield fy.call(that, p, i, points); - ++i; + // Remove empty chords. + chords = Object.values(chords); + chords.groups = groups; + return sortChords ? chords.sort(sortChords) : chords; } -} -exports.Delaunay = Delaunay; -exports.Voronoi = Voronoi; + chord.padAngle = function(_) { + return arguments.length ? (padAngle = max(0, _), chord) : padAngle; + }; -Object.defineProperty(exports, '__esModule', { value: true }); + chord.sortGroups = function(_) { + return arguments.length ? (sortGroups = _, chord) : sortGroups; + }; -})); -}); + chord.sortSubgroups = function(_) { + return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups; + }; -var d3Dsv = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-dsv/ v2.0.0 Copyright 2020 Mike Bostock -(function (global, factory) { -factory(exports) ; -}(commonjsGlobal, function (exports) { -var EOL = {}, - EOF = {}, - QUOTE = 34, - NEWLINE = 10, - RETURN = 13; + chord.sortChords = function(_) { + return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._; + }; -function objectConverter(columns) { - return new Function("d", "return {" + columns.map(function(name, i) { - return JSON.stringify(name) + ": d[" + i + "] || \"\""; - }).join(",") + "}"); + return chord; } -function customConverter(columns, f) { - var object = objectConverter(columns); - return function(row, i) { - return f(object(row), i, columns); +var slice = Array.prototype.slice; + +function constant(x) { + return function() { + return x; }; } -// Compute unique columns in order of discovery. -function inferColumns(rows) { - var columnSet = Object.create(null), - columns = []; - - rows.forEach(function(row) { - for (var column in row) { - if (!(column in columnSet)) { - columns.push(columnSet[column] = column); - } - } - }); - - return columns; +function defaultSource(d) { + return d.source; } -function pad(value, width) { - var s = value + "", length = s.length; - return length < width ? new Array(width - length + 1).join(0) + s : s; +function defaultTarget(d) { + return d.target; } -function formatYear(year) { - return year < 0 ? "-" + pad(-year, 6) - : year > 9999 ? "+" + pad(year, 6) - : pad(year, 4); +function defaultRadius(d) { + return d.radius; } -function formatDate(date) { - var hours = date.getUTCHours(), - minutes = date.getUTCMinutes(), - seconds = date.getUTCSeconds(), - milliseconds = date.getUTCMilliseconds(); - return isNaN(date) ? "Invalid Date" - : formatYear(date.getUTCFullYear()) + "-" + pad(date.getUTCMonth() + 1, 2) + "-" + pad(date.getUTCDate(), 2) - + (milliseconds ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + ":" + pad(seconds, 2) + "." + pad(milliseconds, 3) + "Z" - : seconds ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + ":" + pad(seconds, 2) + "Z" - : minutes || hours ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + "Z" - : ""); +function defaultStartAngle(d) { + return d.startAngle; } -function dsv(delimiter) { - var reFormat = new RegExp("[\"" + delimiter + "\n\r]"), - DELIMITER = delimiter.charCodeAt(0); - - function parse(text, f) { - var convert, columns, rows = parseRows(text, function(row, i) { - if (convert) return convert(row, i - 1); - columns = row, convert = f ? customConverter(row, f) : objectConverter(row); - }); - rows.columns = columns || []; - return rows; - } +function defaultEndAngle(d) { + return d.endAngle; +} - function parseRows(text, f) { - var rows = [], // output rows - N = text.length, - I = 0, // current character index - n = 0, // current line number - t, // current token - eof = N <= 0, // current token followed by EOF? - eol = false; // current token followed by EOL? +function defaultPadAngle() { + return 0; +} - // Strip the trailing newline. - if (text.charCodeAt(N - 1) === NEWLINE) --N; - if (text.charCodeAt(N - 1) === RETURN) --N; +function defaultArrowheadRadius() { + return 10; +} - function token() { - if (eof) return EOF; - if (eol) return eol = false, EOL; +function ribbon(headRadius) { + var source = defaultSource, + target = defaultTarget, + sourceRadius = defaultRadius, + targetRadius = defaultRadius, + startAngle = defaultStartAngle, + endAngle = defaultEndAngle, + padAngle = defaultPadAngle, + context = null; - // Unescape quotes. - var i, j = I, c; - if (text.charCodeAt(j) === QUOTE) { - while (I++ < N && text.charCodeAt(I) !== QUOTE || text.charCodeAt(++I) === QUOTE); - if ((i = I) >= N) eof = true; - else if ((c = text.charCodeAt(I++)) === NEWLINE) eol = true; - else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } - return text.slice(j + 1, i - 1).replace(/""/g, "\""); - } + function ribbon() { + var buffer, + s = source.apply(this, arguments), + t = target.apply(this, arguments), + ap = padAngle.apply(this, arguments) / 2, + argv = slice.call(arguments), + sr = +sourceRadius.apply(this, (argv[0] = s, argv)), + sa0 = startAngle.apply(this, argv) - halfPi, + sa1 = endAngle.apply(this, argv) - halfPi, + tr = +targetRadius.apply(this, (argv[0] = t, argv)), + ta0 = startAngle.apply(this, argv) - halfPi, + ta1 = endAngle.apply(this, argv) - halfPi; - // Find next delimiter or newline. - while (I < N) { - if ((c = text.charCodeAt(i = I++)) === NEWLINE) eol = true; - else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } - else if (c !== DELIMITER) continue; - return text.slice(j, i); - } + if (!context) context = buffer = d3Path.path(); - // Return last token before EOF. - return eof = true, text.slice(j, N); + if (ap > epsilon) { + if (abs(sa1 - sa0) > ap * 2 + epsilon) sa1 > sa0 ? (sa0 += ap, sa1 -= ap) : (sa0 -= ap, sa1 += ap); + else sa0 = sa1 = (sa0 + sa1) / 2; + if (abs(ta1 - ta0) > ap * 2 + epsilon) ta1 > ta0 ? (ta0 += ap, ta1 -= ap) : (ta0 -= ap, ta1 += ap); + else ta0 = ta1 = (ta0 + ta1) / 2; } - while ((t = token()) !== EOF) { - var row = []; - while (t !== EOL && t !== EOF) row.push(t), t = token(); - if (f && (row = f(row, n++)) == null) continue; - rows.push(row); + context.moveTo(sr * cos(sa0), sr * sin(sa0)); + context.arc(0, 0, sr, sa0, sa1); + if (sa0 !== ta0 || sa1 !== ta1) { + if (headRadius) { + var hr = +headRadius.apply(this, arguments), tr2 = tr - hr, ta2 = (ta0 + ta1) / 2; + context.quadraticCurveTo(0, 0, tr2 * cos(ta0), tr2 * sin(ta0)); + context.lineTo(tr * cos(ta2), tr * sin(ta2)); + context.lineTo(tr2 * cos(ta1), tr2 * sin(ta1)); + } else { + context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0)); + context.arc(0, 0, tr, ta0, ta1); + } } + context.quadraticCurveTo(0, 0, sr * cos(sa0), sr * sin(sa0)); + context.closePath(); - return rows; + if (buffer) return context = null, buffer + "" || null; } - function preformatBody(rows, columns) { - return rows.map(function(row) { - return columns.map(function(column) { - return formatValue(row[column]); - }).join(delimiter); - }); - } + if (headRadius) ribbon.headRadius = function(_) { + return arguments.length ? (headRadius = typeof _ === "function" ? _ : constant(+_), ribbon) : headRadius; + }; - function format(rows, columns) { - if (columns == null) columns = inferColumns(rows); - return [columns.map(formatValue).join(delimiter)].concat(preformatBody(rows, columns)).join("\n"); - } + ribbon.radius = function(_) { + return arguments.length ? (sourceRadius = targetRadius = typeof _ === "function" ? _ : constant(+_), ribbon) : sourceRadius; + }; - function formatBody(rows, columns) { - if (columns == null) columns = inferColumns(rows); - return preformatBody(rows, columns).join("\n"); - } + ribbon.sourceRadius = function(_) { + return arguments.length ? (sourceRadius = typeof _ === "function" ? _ : constant(+_), ribbon) : sourceRadius; + }; - function formatRows(rows) { - return rows.map(formatRow).join("\n"); - } + ribbon.targetRadius = function(_) { + return arguments.length ? (targetRadius = typeof _ === "function" ? _ : constant(+_), ribbon) : targetRadius; + }; - function formatRow(row) { - return row.map(formatValue).join(delimiter); - } + ribbon.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant(+_), ribbon) : startAngle; + }; - function formatValue(value) { - return value == null ? "" - : value instanceof Date ? formatDate(value) - : reFormat.test(value += "") ? "\"" + value.replace(/"/g, "\"\"") + "\"" - : value; - } + ribbon.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant(+_), ribbon) : endAngle; + }; - return { - parse: parse, - parseRows: parseRows, - format: format, - formatBody: formatBody, - formatRows: formatRows, - formatRow: formatRow, - formatValue: formatValue + ribbon.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant(+_), ribbon) : padAngle; }; -} -var csv = dsv(","); + ribbon.source = function(_) { + return arguments.length ? (source = _, ribbon) : source; + }; -var csvParse = csv.parse; -var csvParseRows = csv.parseRows; -var csvFormat = csv.format; -var csvFormatBody = csv.formatBody; -var csvFormatRows = csv.formatRows; -var csvFormatRow = csv.formatRow; -var csvFormatValue = csv.formatValue; + ribbon.target = function(_) { + return arguments.length ? (target = _, ribbon) : target; + }; -var tsv = dsv("\t"); + ribbon.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), ribbon) : context; + }; -var tsvParse = tsv.parse; -var tsvParseRows = tsv.parseRows; -var tsvFormat = tsv.format; -var tsvFormatBody = tsv.formatBody; -var tsvFormatRows = tsv.formatRows; -var tsvFormatRow = tsv.formatRow; -var tsvFormatValue = tsv.formatValue; + return ribbon; +} -function autoType(object) { - for (var key in object) { - var value = object[key].trim(), number, m; - if (!value) value = null; - else if (value === "true") value = true; - else if (value === "false") value = false; - else if (value === "NaN") value = NaN; - else if (!isNaN(number = +value)) value = number; - else if (m = value.match(/^([-+]\d{2})?\d{4}(-\d{2}(-\d{2})?)?(T\d{2}:\d{2}(:\d{2}(\.\d{3})?)?(Z|[-+]\d{2}:\d{2})?)?$/)) { - if (fixtz && !!m[4] && !m[7]) value = value.replace(/-/g, "/").replace(/T/, " "); - value = new Date(value); - } - else continue; - object[key] = value; - } - return object; +function ribbon$1() { + return ribbon(); } -// https://github.com/d3/d3-dsv/issues/45 -const fixtz = new Date("2019-01-01T00:00").getHours() || new Date("2019-07-01T00:00").getHours(); +function ribbonArrow() { + return ribbon(defaultArrowheadRadius); +} -exports.autoType = autoType; -exports.csvFormat = csvFormat; -exports.csvFormatBody = csvFormatBody; -exports.csvFormatRow = csvFormatRow; -exports.csvFormatRows = csvFormatRows; -exports.csvFormatValue = csvFormatValue; -exports.csvParse = csvParse; -exports.csvParseRows = csvParseRows; -exports.dsvFormat = dsv; -exports.tsvFormat = tsvFormat; -exports.tsvFormatBody = tsvFormatBody; -exports.tsvFormatRow = tsvFormatRow; -exports.tsvFormatRows = tsvFormatRows; -exports.tsvFormatValue = tsvFormatValue; -exports.tsvParse = tsvParse; -exports.tsvParseRows = tsvParseRows; +exports.chord = chord; +exports.chordDirected = chordDirected; +exports.chordTranspose = chordTranspose; +exports.ribbon = ribbon$1; +exports.ribbonArrow = ribbonArrow; Object.defineProperty(exports, '__esModule', { value: true }); })); }); -var d3Fetch = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-fetch/ v2.0.0 Copyright 2020 Mike Bostock +var d3Contour = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-contour/ v2.0.0 Copyright 2020 Mike Bostock (function (global, factory) { -factory(exports, d3Dsv) ; -}(commonjsGlobal, function (exports, d3Dsv) { -function responseBlob(response) { - if (!response.ok) throw new Error(response.status + " " + response.statusText); - return response.blob(); -} - -function blob(input, init) { - return fetch(input, init).then(responseBlob); -} - -function responseArrayBuffer(response) { - if (!response.ok) throw new Error(response.status + " " + response.statusText); - return response.arrayBuffer(); -} +factory(exports, d3Array) ; +}(commonjsGlobal, function (exports, d3Array) { +var array = Array.prototype; -function buffer(input, init) { - return fetch(input, init).then(responseArrayBuffer); -} +var slice = array.slice; -function responseText(response) { - if (!response.ok) throw new Error(response.status + " " + response.statusText); - return response.text(); +function ascending(a, b) { + return a - b; } -function text(input, init) { - return fetch(input, init).then(responseText); +function area(ring) { + var i = 0, n = ring.length, area = ring[n - 1][1] * ring[0][0] - ring[n - 1][0] * ring[0][1]; + while (++i < n) area += ring[i - 1][1] * ring[i][0] - ring[i - 1][0] * ring[i][1]; + return area; } -function dsvParse(parse) { - return function(input, init, row) { - if (arguments.length === 2 && typeof init === "function") row = init, init = undefined; - return text(input, init).then(function(response) { - return parse(response, row); - }); - }; -} +var constant = x => () => x; -function dsv(delimiter, input, init, row) { - if (arguments.length === 3 && typeof init === "function") row = init, init = undefined; - var format = d3Dsv.dsvFormat(delimiter); - return text(input, init).then(function(response) { - return format.parse(response, row); - }); +function contains(ring, hole) { + var i = -1, n = hole.length, c; + while (++i < n) if (c = ringContains(ring, hole[i])) return c; + return 0; } -var csv = dsvParse(d3Dsv.csvParse); -var tsv = dsvParse(d3Dsv.tsvParse); - -function image(input, init) { - return new Promise(function(resolve, reject) { - var image = new Image; - for (var key in init) image[key] = init[key]; - image.onerror = reject; - image.onload = function() { resolve(image); }; - image.src = input; - }); +function ringContains(ring, point) { + var x = point[0], y = point[1], contains = -1; + for (var i = 0, n = ring.length, j = n - 1; i < n; j = i++) { + var pi = ring[i], xi = pi[0], yi = pi[1], pj = ring[j], xj = pj[0], yj = pj[1]; + if (segmentContains(pi, pj, point)) return 0; + if (((yi > y) !== (yj > y)) && ((x < (xj - xi) * (y - yi) / (yj - yi) + xi))) contains = -contains; + } + return contains; } -function responseJson(response) { - if (!response.ok) throw new Error(response.status + " " + response.statusText); - if (response.status === 204 || response.status === 205) return; - return response.json(); +function segmentContains(a, b, c) { + var i; return collinear(a, b, c) && within(a[i = +(a[0] === b[0])], c[i], b[i]); } -function json(input, init) { - return fetch(input, init).then(responseJson); +function collinear(a, b, c) { + return (b[0] - a[0]) * (c[1] - a[1]) === (c[0] - a[0]) * (b[1] - a[1]); } -function parser(type) { - return (input, init) => text(input, init) - .then(text => (new DOMParser).parseFromString(text, type)); +function within(p, q, r) { + return p <= q && q <= r || r <= q && q <= p; } -var xml = parser("application/xml"); - -var html = parser("text/html"); - -var svg = parser("image/svg+xml"); - -exports.blob = blob; -exports.buffer = buffer; -exports.csv = csv; -exports.dsv = dsv; -exports.html = html; -exports.image = image; -exports.json = json; -exports.svg = svg; -exports.text = text; -exports.tsv = tsv; -exports.xml = xml; - -Object.defineProperty(exports, '__esModule', { value: true }); - -})); -}); +function noop() {} -var d3Quadtree = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-quadtree/ v2.0.0 Copyright 2020 Mike Bostock -(function (global, factory) { -factory(exports) ; -}(commonjsGlobal, function (exports) { -function tree_add(d) { - const x = +this._x.call(null, d), - y = +this._y.call(null, d); - return add(this.cover(x, y), x, y, d); -} +var cases = [ + [], + [[[1.0, 1.5], [0.5, 1.0]]], + [[[1.5, 1.0], [1.0, 1.5]]], + [[[1.5, 1.0], [0.5, 1.0]]], + [[[1.0, 0.5], [1.5, 1.0]]], + [[[1.0, 1.5], [0.5, 1.0]], [[1.0, 0.5], [1.5, 1.0]]], + [[[1.0, 0.5], [1.0, 1.5]]], + [[[1.0, 0.5], [0.5, 1.0]]], + [[[0.5, 1.0], [1.0, 0.5]]], + [[[1.0, 1.5], [1.0, 0.5]]], + [[[0.5, 1.0], [1.0, 0.5]], [[1.5, 1.0], [1.0, 1.5]]], + [[[1.5, 1.0], [1.0, 0.5]]], + [[[0.5, 1.0], [1.5, 1.0]]], + [[[1.0, 1.5], [1.5, 1.0]]], + [[[0.5, 1.0], [1.0, 1.5]]], + [] +]; -function add(tree, x, y, d) { - if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points +function contours() { + var dx = 1, + dy = 1, + threshold = d3Array.thresholdSturges, + smooth = smoothLinear; - var parent, - node = tree._root, - leaf = {data: d}, - x0 = tree._x0, - y0 = tree._y0, - x1 = tree._x1, - y1 = tree._y1, - xm, - ym, - xp, - yp, - right, - bottom, - i, - j; + function contours(values) { + var tz = threshold(values); - // If the tree is empty, initialize the root as a leaf. - if (!node) return tree._root = leaf, tree; + // Convert number of thresholds into uniform thresholds. + if (!Array.isArray(tz)) { + var domain = d3Array.extent(values), start = domain[0], stop = domain[1]; + tz = d3Array.tickStep(start, stop, tz); + tz = d3Array.range(Math.floor(start / tz) * tz, Math.floor(stop / tz) * tz, tz); + } else { + tz = tz.slice().sort(ascending); + } - // Find the existing leaf for the new point, or add it. - while (node.length) { - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; + return tz.map(function(value) { + return contour(values, value); + }); } - // Is the new point is exactly coincident with the existing point? - xp = +tree._x.call(null, node.data); - yp = +tree._y.call(null, node.data); - if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; + // Accumulate, smooth contour rings, assign holes to exterior rings. + // Based on https://github.com/mbostock/shapefile/blob/v0.6.2/shp/polygon.js + function contour(values, value) { + var polygons = [], + holes = []; - // Otherwise, split the leaf node until the old and new point are separated. - do { - parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); - return parent[j] = node, parent[i] = leaf, tree; -} + isorings(values, value, function(ring) { + smooth(ring, values, value); + if (area(ring) > 0) polygons.push([ring]); + else holes.push(ring); + }); -function addAll(data) { - var d, i, n = data.length, - x, - y, - xz = new Array(n), - yz = new Array(n), - x0 = Infinity, - y0 = Infinity, - x1 = -Infinity, - y1 = -Infinity; + holes.forEach(function(hole) { + for (var i = 0, n = polygons.length, polygon; i < n; ++i) { + if (contains((polygon = polygons[i])[0], hole) !== -1) { + polygon.push(hole); + return; + } + } + }); - // Compute the points and their extent. - for (i = 0; i < n; ++i) { - if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; - xz[i] = x; - yz[i] = y; - if (x < x0) x0 = x; - if (x > x1) x1 = x; - if (y < y0) y0 = y; - if (y > y1) y1 = y; + return { + type: "MultiPolygon", + value: value, + coordinates: polygons + }; } - // If there were no (valid) points, abort. - if (x0 > x1 || y0 > y1) return this; - - // Expand the tree to cover the new points. - this.cover(x0, y0).cover(x1, y1); - - // Add the new points. - for (i = 0; i < n; ++i) { - add(this, xz[i], yz[i], data[i]); - } + // Marching squares with isolines stitched into rings. + // Based on https://github.com/topojson/topojson-client/blob/v3.0.0/src/stitch.js + function isorings(values, value, callback) { + var fragmentByStart = new Array, + fragmentByEnd = new Array, + x, y, t0, t1, t2, t3; - return this; -} + // Special case for the first row (y = -1, t2 = t3 = 0). + x = y = -1; + t1 = values[0] >= value; + cases[t1 << 1].forEach(stitch); + while (++x < dx - 1) { + t0 = t1, t1 = values[x + 1] >= value; + cases[t0 | t1 << 1].forEach(stitch); + } + cases[t1 << 0].forEach(stitch); -function tree_cover(x, y) { - if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points - - var x0 = this._x0, - y0 = this._y0, - x1 = this._x1, - y1 = this._y1; - - // If the quadtree has no extent, initialize them. - // Integer extent are necessary so that if we later double the extent, - // the existing quadrant boundaries don’t change due to floating point error! - if (isNaN(x0)) { - x1 = (x0 = Math.floor(x)) + 1; - y1 = (y0 = Math.floor(y)) + 1; - } + // General case for the intermediate rows. + while (++y < dy - 1) { + x = -1; + t1 = values[y * dx + dx] >= value; + t2 = values[y * dx] >= value; + cases[t1 << 1 | t2 << 2].forEach(stitch); + while (++x < dx - 1) { + t0 = t1, t1 = values[y * dx + dx + x + 1] >= value; + t3 = t2, t2 = values[y * dx + x + 1] >= value; + cases[t0 | t1 << 1 | t2 << 2 | t3 << 3].forEach(stitch); + } + cases[t1 | t2 << 3].forEach(stitch); + } - // Otherwise, double repeatedly to cover. - else { - var z = x1 - x0 || 1, - node = this._root, - parent, - i; + // Special case for the last row (y = dy - 1, t0 = t1 = 0). + x = -1; + t2 = values[y * dx] >= value; + cases[t2 << 2].forEach(stitch); + while (++x < dx - 1) { + t3 = t2, t2 = values[y * dx + x + 1] >= value; + cases[t2 << 2 | t3 << 3].forEach(stitch); + } + cases[t2 << 3].forEach(stitch); - while (x0 > x || x >= x1 || y0 > y || y >= y1) { - i = (y < y0) << 1 | (x < x0); - parent = new Array(4), parent[i] = node, node = parent, z *= 2; - switch (i) { - case 0: x1 = x0 + z, y1 = y0 + z; break; - case 1: x0 = x1 - z, y1 = y0 + z; break; - case 2: x1 = x0 + z, y0 = y1 - z; break; - case 3: x0 = x1 - z, y0 = y1 - z; break; + function stitch(line) { + var start = [line[0][0] + x, line[0][1] + y], + end = [line[1][0] + x, line[1][1] + y], + startIndex = index(start), + endIndex = index(end), + f, g; + if (f = fragmentByEnd[startIndex]) { + if (g = fragmentByStart[endIndex]) { + delete fragmentByEnd[f.end]; + delete fragmentByStart[g.start]; + if (f === g) { + f.ring.push(end); + callback(f.ring); + } else { + fragmentByStart[f.start] = fragmentByEnd[g.end] = {start: f.start, end: g.end, ring: f.ring.concat(g.ring)}; + } + } else { + delete fragmentByEnd[f.end]; + f.ring.push(end); + fragmentByEnd[f.end = endIndex] = f; + } + } else if (f = fragmentByStart[endIndex]) { + if (g = fragmentByEnd[startIndex]) { + delete fragmentByStart[f.start]; + delete fragmentByEnd[g.end]; + if (f === g) { + f.ring.push(end); + callback(f.ring); + } else { + fragmentByStart[g.start] = fragmentByEnd[f.end] = {start: g.start, end: f.end, ring: g.ring.concat(f.ring)}; + } + } else { + delete fragmentByStart[f.start]; + f.ring.unshift(start); + fragmentByStart[f.start = startIndex] = f; + } + } else { + fragmentByStart[startIndex] = fragmentByEnd[endIndex] = {start: startIndex, end: endIndex, ring: [start, end]}; } } - - if (this._root && this._root.length) this._root = node; } - this._x0 = x0; - this._y0 = y0; - this._x1 = x1; - this._y1 = y1; - return this; -} - -function tree_data() { - var data = []; - this.visit(function(node) { - if (!node.length) do data.push(node.data); while (node = node.next) - }); - return data; -} - -function tree_extent(_) { - return arguments.length - ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) - : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; -} - -function Quad(node, x0, y0, x1, y1) { - this.node = node; - this.x0 = x0; - this.y0 = y0; - this.x1 = x1; - this.y1 = y1; -} - -function tree_find(x, y, radius) { - var data, - x0 = this._x0, - y0 = this._y0, - x1, - y1, - x2, - y2, - x3 = this._x1, - y3 = this._y1, - quads = [], - node = this._root, - q, - i; + function index(point) { + return point[0] * 2 + point[1] * (dx + 1) * 4; + } - if (node) quads.push(new Quad(node, x0, y0, x3, y3)); - if (radius == null) radius = Infinity; - else { - x0 = x - radius, y0 = y - radius; - x3 = x + radius, y3 = y + radius; - radius *= radius; + function smoothLinear(ring, values, value) { + ring.forEach(function(point) { + var x = point[0], + y = point[1], + xt = x | 0, + yt = y | 0, + v0, + v1 = values[yt * dx + xt]; + if (x > 0 && x < dx && xt === x) { + v0 = values[yt * dx + xt - 1]; + point[0] = x + (value - v0) / (v1 - v0) - 0.5; + } + if (y > 0 && y < dy && yt === y) { + v0 = values[(yt - 1) * dx + xt]; + point[1] = y + (value - v0) / (v1 - v0) - 0.5; + } + }); } - while (q = quads.pop()) { + contours.contour = contour; - // Stop searching if this quadrant can’t contain a closer node. - if (!(node = q.node) - || (x1 = q.x0) > x3 - || (y1 = q.y0) > y3 - || (x2 = q.x1) < x0 - || (y2 = q.y1) < y0) continue; + contours.size = function(_) { + if (!arguments.length) return [dx, dy]; + var _0 = Math.floor(_[0]), _1 = Math.floor(_[1]); + if (!(_0 >= 0 && _1 >= 0)) throw new Error("invalid size"); + return dx = _0, dy = _1, contours; + }; - // Bisect the current quadrant. - if (node.length) { - var xm = (x1 + x2) / 2, - ym = (y1 + y2) / 2; + contours.thresholds = function(_) { + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), contours) : threshold; + }; - quads.push( - new Quad(node[3], xm, ym, x2, y2), - new Quad(node[2], x1, ym, xm, y2), - new Quad(node[1], xm, y1, x2, ym), - new Quad(node[0], x1, y1, xm, ym) - ); + contours.smooth = function(_) { + return arguments.length ? (smooth = _ ? smoothLinear : noop, contours) : smooth === smoothLinear; + }; - // Visit the closest quadrant first. - if (i = (y >= ym) << 1 | (x >= xm)) { - q = quads[quads.length - 1]; - quads[quads.length - 1] = quads[quads.length - 1 - i]; - quads[quads.length - 1 - i] = q; + return contours; +} + +// TODO Optimize edge cases. +// TODO Optimize index calculation. +// TODO Optimize arguments. +function blurX(source, target, r) { + var n = source.width, + m = source.height, + w = (r << 1) + 1; + for (var j = 0; j < m; ++j) { + for (var i = 0, sr = 0; i < n + r; ++i) { + if (i < n) { + sr += source.data[i + j * n]; + } + if (i >= r) { + if (i >= w) { + sr -= source.data[i - w + j * n]; + } + target.data[i - r + j * n] = sr / Math.min(i + 1, n - 1 + w - i, w); } } + } +} - // Visit this point. (Visiting coincident points isn’t necessary!) - else { - var dx = x - +this._x.call(null, node.data), - dy = y - +this._y.call(null, node.data), - d2 = dx * dx + dy * dy; - if (d2 < radius) { - var d = Math.sqrt(radius = d2); - x0 = x - d, y0 = y - d; - x3 = x + d, y3 = y + d; - data = node.data; +// TODO Optimize edge cases. +// TODO Optimize index calculation. +// TODO Optimize arguments. +function blurY(source, target, r) { + var n = source.width, + m = source.height, + w = (r << 1) + 1; + for (var i = 0; i < n; ++i) { + for (var j = 0, sr = 0; j < m + r; ++j) { + if (j < m) { + sr += source.data[i + j * n]; + } + if (j >= r) { + if (j >= w) { + sr -= source.data[i + (j - w) * n]; + } + target.data[i + (j - r) * n] = sr / Math.min(j + 1, m - 1 + w - j, w); } } } +} - return data; +function defaultX(d) { + return d[0]; } -function tree_remove(d) { - if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points +function defaultY(d) { + return d[1]; +} - var parent, - node = this._root, - retainer, - previous, - next, - x0 = this._x0, - y0 = this._y0, - x1 = this._x1, - y1 = this._y1, - x, - y, - xm, - ym, - right, - bottom, - i, - j; +function defaultWeight() { + return 1; +} - // If the tree is empty, initialize the root as a leaf. - if (!node) return this; +function density() { + var x = defaultX, + y = defaultY, + weight = defaultWeight, + dx = 960, + dy = 500, + r = 20, // blur radius + k = 2, // log2(grid cell size) + o = r * 3, // grid offset, to pad for blur + n = (dx + o * 2) >> k, // grid width + m = (dy + o * 2) >> k, // grid height + threshold = constant(20); - // Find the leaf node for the point. - // While descending, also retain the deepest parent with a non-removed sibling. - if (node.length) while (true) { - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - if (!(parent = node, node = node[i = bottom << 1 | right])) return this; - if (!node.length) break; - if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; - } + function density(data) { + var values0 = new Float32Array(n * m), + values1 = new Float32Array(n * m); - // Find the point to remove. - while (node.data !== d) if (!(previous = node, node = node.next)) return this; - if (next = node.next) delete node.next; + data.forEach(function(d, i, data) { + var xi = (+x(d, i, data) + o) >> k, + yi = (+y(d, i, data) + o) >> k, + wi = +weight(d, i, data); + if (xi >= 0 && xi < n && yi >= 0 && yi < m) { + values0[xi + yi * n] += wi; + } + }); - // If there are multiple coincident points, remove just the point. - if (previous) return (next ? previous.next = next : delete previous.next), this; + // TODO Optimize. + blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); + blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); + blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); + blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); + blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); + blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); - // If this is the root point, remove it. - if (!parent) return this._root = next, this; + var tz = threshold(values0); - // Remove this leaf. - next ? parent[i] = next : delete parent[i]; + // Convert number of thresholds into uniform thresholds. + if (!Array.isArray(tz)) { + var stop = d3Array.max(values0); + tz = d3Array.tickStep(0, stop, tz); + tz = d3Array.range(0, Math.floor(stop / tz) * tz, tz); + tz.shift(); + } - // If the parent now contains exactly one leaf, collapse superfluous parents. - if ((node = parent[0] || parent[1] || parent[2] || parent[3]) - && node === (parent[3] || parent[2] || parent[1] || parent[0]) - && !node.length) { - if (retainer) retainer[j] = node; - else this._root = node; + return contours() + .thresholds(tz) + .size([n, m]) + (values0) + .map(transform); } - return this; -} - -function removeAll(data) { - for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); - return this; -} - -function tree_root() { - return this._root; -} - -function tree_size() { - var size = 0; - this.visit(function(node) { - if (!node.length) do ++size; while (node = node.next) - }); - return size; -} - -function tree_visit(callback) { - var quads = [], q, node = this._root, child, x0, y0, x1, y1; - if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); - while (q = quads.pop()) { - if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { - var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; - if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); - if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); - if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); - if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); - } + function transform(geometry) { + geometry.value *= Math.pow(2, -2 * k); // Density in points per square pixel. + geometry.coordinates.forEach(transformPolygon); + return geometry; } - return this; -} -function tree_visitAfter(callback) { - var quads = [], next = [], q; - if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); - while (q = quads.pop()) { - var node = q.node; - if (node.length) { - var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; - if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); - if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); - if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); - if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); - } - next.push(q); - } - while (q = next.pop()) { - callback(q.node, q.x0, q.y0, q.x1, q.y1); + function transformPolygon(coordinates) { + coordinates.forEach(transformRing); } - return this; -} - -function defaultX(d) { - return d[0]; -} - -function tree_x(_) { - return arguments.length ? (this._x = _, this) : this._x; -} - -function defaultY(d) { - return d[1]; -} -function tree_y(_) { - return arguments.length ? (this._y = _, this) : this._y; -} + function transformRing(coordinates) { + coordinates.forEach(transformPoint); + } -function quadtree(nodes, x, y) { - var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); - return nodes == null ? tree : tree.addAll(nodes); -} + // TODO Optimize. + function transformPoint(coordinates) { + coordinates[0] = coordinates[0] * Math.pow(2, k) - o; + coordinates[1] = coordinates[1] * Math.pow(2, k) - o; + } -function Quadtree(x, y, x0, y0, x1, y1) { - this._x = x; - this._y = y; - this._x0 = x0; - this._y0 = y0; - this._x1 = x1; - this._y1 = y1; - this._root = undefined; -} + function resize() { + o = r * 3; + n = (dx + o * 2) >> k; + m = (dy + o * 2) >> k; + return density; + } -function leaf_copy(leaf) { - var copy = {data: leaf.data}, next = copy; - while (leaf = leaf.next) next = next.next = {data: leaf.data}; - return copy; -} + density.x = function(_) { + return arguments.length ? (x = typeof _ === "function" ? _ : constant(+_), density) : x; + }; -var treeProto = quadtree.prototype = Quadtree.prototype; + density.y = function(_) { + return arguments.length ? (y = typeof _ === "function" ? _ : constant(+_), density) : y; + }; -treeProto.copy = function() { - var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), - node = this._root, - nodes, - child; + density.weight = function(_) { + return arguments.length ? (weight = typeof _ === "function" ? _ : constant(+_), density) : weight; + }; - if (!node) return copy; + density.size = function(_) { + if (!arguments.length) return [dx, dy]; + var _0 = +_[0], _1 = +_[1]; + if (!(_0 >= 0 && _1 >= 0)) throw new Error("invalid size"); + return dx = _0, dy = _1, resize(); + }; - if (!node.length) return copy._root = leaf_copy(node), copy; + density.cellSize = function(_) { + if (!arguments.length) return 1 << k; + if (!((_ = +_) >= 1)) throw new Error("invalid cell size"); + return k = Math.floor(Math.log(_) / Math.LN2), resize(); + }; - nodes = [{source: node, target: copy._root = new Array(4)}]; - while (node = nodes.pop()) { - for (var i = 0; i < 4; ++i) { - if (child = node.source[i]) { - if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); - else node.target[i] = leaf_copy(child); - } - } - } + density.thresholds = function(_) { + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), density) : threshold; + }; - return copy; -}; + density.bandwidth = function(_) { + if (!arguments.length) return Math.sqrt(r * (r + 1)); + if (!((_ = +_) >= 0)) throw new Error("invalid bandwidth"); + return r = Math.round((Math.sqrt(4 * _ * _ + 1) - 1) / 2), resize(); + }; -treeProto.add = tree_add; -treeProto.addAll = addAll; -treeProto.cover = tree_cover; -treeProto.data = tree_data; -treeProto.extent = tree_extent; -treeProto.find = tree_find; -treeProto.remove = tree_remove; -treeProto.removeAll = removeAll; -treeProto.root = tree_root; -treeProto.size = tree_size; -treeProto.visit = tree_visit; -treeProto.visitAfter = tree_visitAfter; -treeProto.x = tree_x; -treeProto.y = tree_y; + return density; +} -exports.quadtree = quadtree; +exports.contourDensity = density; +exports.contours = contours; Object.defineProperty(exports, '__esModule', { value: true }); })); }); -var d3Force = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-force/ v2.1.1 Copyright 2020 Mike Bostock +var d3Delaunay = createCommonjsModule(function (module, exports) { +// https://github.com/d3/d3-delaunay v5.3.0 Copyright 2020 Mike Bostock +// https://github.com/mapbox/delaunator v4.0.1. Copyright 2019 Mapbox, Inc. (function (global, factory) { -factory(exports, d3Quadtree, d3Dispatch, d3Timer) ; -}(commonjsGlobal, function (exports, d3Quadtree, d3Dispatch, d3Timer) { -function center(x, y) { - var nodes, strength = 1; +factory(exports) ; +}(commonjsGlobal, function (exports) { +const EPSILON = Math.pow(2, -52); +const EDGE_STACK = new Uint32Array(512); - if (x == null) x = 0; - if (y == null) y = 0; +class Delaunator { - function force() { - var i, - n = nodes.length, - node, - sx = 0, - sy = 0; + static from(points, getX = defaultGetX, getY = defaultGetY) { + const n = points.length; + const coords = new Float64Array(n * 2); - for (i = 0; i < n; ++i) { - node = nodes[i], sx += node.x, sy += node.y; - } + for (let i = 0; i < n; i++) { + const p = points[i]; + coords[2 * i] = getX(p); + coords[2 * i + 1] = getY(p); + } - for (sx = (sx / n - x) * strength, sy = (sy / n - y) * strength, i = 0; i < n; ++i) { - node = nodes[i], node.x -= sx, node.y -= sy; + return new Delaunator(coords); } - } - - force.initialize = function(_) { - nodes = _; - }; - force.x = function(_) { - return arguments.length ? (x = +_, force) : x; - }; + constructor(coords) { + const n = coords.length >> 1; + if (n > 0 && typeof coords[0] !== 'number') throw new Error('Expected coords to contain numbers.'); - force.y = function(_) { - return arguments.length ? (y = +_, force) : y; - }; + this.coords = coords; - force.strength = function(_) { - return arguments.length ? (strength = +_, force) : strength; - }; + // arrays that will store the triangulation graph + const maxTriangles = Math.max(2 * n - 5, 0); + this._triangles = new Uint32Array(maxTriangles * 3); + this._halfedges = new Int32Array(maxTriangles * 3); - return force; -} + // temporary arrays for tracking the edges of the advancing convex hull + this._hashSize = Math.ceil(Math.sqrt(n)); + this._hullPrev = new Uint32Array(n); // edge to prev edge + this._hullNext = new Uint32Array(n); // edge to next edge + this._hullTri = new Uint32Array(n); // edge to adjacent triangle + this._hullHash = new Int32Array(this._hashSize).fill(-1); // angular edge hash -function constant(x) { - return function() { - return x; - }; -} + // temporary arrays for sorting points + this._ids = new Uint32Array(n); + this._dists = new Float64Array(n); -function jiggle(random) { - return (random() - 0.5) * 1e-6; -} + this.update(); + } -function x(d) { - return d.x + d.vx; -} + update() { + const {coords, _hullPrev: hullPrev, _hullNext: hullNext, _hullTri: hullTri, _hullHash: hullHash} = this; + const n = coords.length >> 1; -function y(d) { - return d.y + d.vy; -} + // populate an array of point indices; calculate input data bbox + let minX = Infinity; + let minY = Infinity; + let maxX = -Infinity; + let maxY = -Infinity; -function collide(radius) { - var nodes, - radii, - random, - strength = 1, - iterations = 1; + for (let i = 0; i < n; i++) { + const x = coords[2 * i]; + const y = coords[2 * i + 1]; + if (x < minX) minX = x; + if (y < minY) minY = y; + if (x > maxX) maxX = x; + if (y > maxY) maxY = y; + this._ids[i] = i; + } + const cx = (minX + maxX) / 2; + const cy = (minY + maxY) / 2; - if (typeof radius !== "function") radius = constant(radius == null ? 1 : +radius); + let minDist = Infinity; + let i0, i1, i2; - function force() { - var i, n = nodes.length, - tree, - node, - xi, - yi, - ri, - ri2; + // pick a seed point close to the center + for (let i = 0; i < n; i++) { + const d = dist(cx, cy, coords[2 * i], coords[2 * i + 1]); + if (d < minDist) { + i0 = i; + minDist = d; + } + } + const i0x = coords[2 * i0]; + const i0y = coords[2 * i0 + 1]; - for (var k = 0; k < iterations; ++k) { - tree = d3Quadtree.quadtree(nodes, x, y).visitAfter(prepare); - for (i = 0; i < n; ++i) { - node = nodes[i]; - ri = radii[node.index], ri2 = ri * ri; - xi = node.x + node.vx; - yi = node.y + node.vy; - tree.visit(apply); - } - } + minDist = Infinity; - function apply(quad, x0, y0, x1, y1) { - var data = quad.data, rj = quad.r, r = ri + rj; - if (data) { - if (data.index > node.index) { - var x = xi - data.x - data.vx, - y = yi - data.y - data.vy, - l = x * x + y * y; - if (l < r * r) { - if (x === 0) x = jiggle(random), l += x * x; - if (y === 0) y = jiggle(random), l += y * y; - l = (r - (l = Math.sqrt(l))) / l * strength; - node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); - node.vy += (y *= l) * r; - data.vx -= x * (r = 1 - r); - data.vy -= y * r; - } + // find the point closest to the seed + for (let i = 0; i < n; i++) { + if (i === i0) continue; + const d = dist(i0x, i0y, coords[2 * i], coords[2 * i + 1]); + if (d < minDist && d > 0) { + i1 = i; + minDist = d; + } } - return; - } - return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; - } - } + let i1x = coords[2 * i1]; + let i1y = coords[2 * i1 + 1]; - function prepare(quad) { - if (quad.data) return quad.r = radii[quad.data.index]; - for (var i = quad.r = 0; i < 4; ++i) { - if (quad[i] && quad[i].r > quad.r) { - quad.r = quad[i].r; - } - } - } + let minRadius = Infinity; - function initialize() { - if (!nodes) return; - var i, n = nodes.length, node; - radii = new Array(n); - for (i = 0; i < n; ++i) node = nodes[i], radii[node.index] = +radius(node, i, nodes); - } + // find the third point which forms the smallest circumcircle with the first two + for (let i = 0; i < n; i++) { + if (i === i0 || i === i1) continue; + const r = circumradius(i0x, i0y, i1x, i1y, coords[2 * i], coords[2 * i + 1]); + if (r < minRadius) { + i2 = i; + minRadius = r; + } + } + let i2x = coords[2 * i2]; + let i2y = coords[2 * i2 + 1]; - force.initialize = function(_nodes, _random) { - nodes = _nodes; - random = _random; - initialize(); - }; + if (minRadius === Infinity) { + // order collinear points by dx (or dy if all x are identical) + // and return the list as a hull + for (let i = 0; i < n; i++) { + this._dists[i] = (coords[2 * i] - coords[0]) || (coords[2 * i + 1] - coords[1]); + } + quicksort(this._ids, this._dists, 0, n - 1); + const hull = new Uint32Array(n); + let j = 0; + for (let i = 0, d0 = -Infinity; i < n; i++) { + const id = this._ids[i]; + if (this._dists[id] > d0) { + hull[j++] = id; + d0 = this._dists[id]; + } + } + this.hull = hull.subarray(0, j); + this.triangles = new Uint32Array(0); + this.halfedges = new Uint32Array(0); + return; + } - force.iterations = function(_) { - return arguments.length ? (iterations = +_, force) : iterations; - }; + // swap the order of the seed points for counter-clockwise orientation + if (orient(i0x, i0y, i1x, i1y, i2x, i2y)) { + const i = i1; + const x = i1x; + const y = i1y; + i1 = i2; + i1x = i2x; + i1y = i2y; + i2 = i; + i2x = x; + i2y = y; + } - force.strength = function(_) { - return arguments.length ? (strength = +_, force) : strength; - }; + const center = circumcenter(i0x, i0y, i1x, i1y, i2x, i2y); + this._cx = center.x; + this._cy = center.y; - force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant(+_), initialize(), force) : radius; - }; + for (let i = 0; i < n; i++) { + this._dists[i] = dist(coords[2 * i], coords[2 * i + 1], center.x, center.y); + } - return force; -} + // sort the points by distance from the seed triangle circumcenter + quicksort(this._ids, this._dists, 0, n - 1); -function index(d) { - return d.index; -} + // set up the seed triangle as the starting hull + this._hullStart = i0; + let hullSize = 3; -function find(nodeById, nodeId) { - var node = nodeById.get(nodeId); - if (!node) throw new Error("node not found: " + nodeId); - return node; -} + hullNext[i0] = hullPrev[i2] = i1; + hullNext[i1] = hullPrev[i0] = i2; + hullNext[i2] = hullPrev[i1] = i0; -function link(links) { - var id = index, - strength = defaultStrength, - strengths, - distance = constant(30), - distances, - nodes, - count, - bias, - random, - iterations = 1; + hullTri[i0] = 0; + hullTri[i1] = 1; + hullTri[i2] = 2; - if (links == null) links = []; + hullHash.fill(-1); + hullHash[this._hashKey(i0x, i0y)] = i0; + hullHash[this._hashKey(i1x, i1y)] = i1; + hullHash[this._hashKey(i2x, i2y)] = i2; - function defaultStrength(link) { - return 1 / Math.min(count[link.source.index], count[link.target.index]); - } + this.trianglesLen = 0; + this._addTriangle(i0, i1, i2, -1, -1, -1); - function force(alpha) { - for (var k = 0, n = links.length; k < iterations; ++k) { - for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { - link = links[i], source = link.source, target = link.target; - x = target.x + target.vx - source.x - source.vx || jiggle(random); - y = target.y + target.vy - source.y - source.vy || jiggle(random); - l = Math.sqrt(x * x + y * y); - l = (l - distances[i]) / l * alpha * strengths[i]; - x *= l, y *= l; - target.vx -= x * (b = bias[i]); - target.vy -= y * b; - source.vx += x * (b = 1 - b); - source.vy += y * b; - } - } - } + for (let k = 0, xp, yp; k < this._ids.length; k++) { + const i = this._ids[k]; + const x = coords[2 * i]; + const y = coords[2 * i + 1]; - function initialize() { - if (!nodes) return; + // skip near-duplicate points + if (k > 0 && Math.abs(x - xp) <= EPSILON && Math.abs(y - yp) <= EPSILON) continue; + xp = x; + yp = y; - var i, - n = nodes.length, - m = links.length, - nodeById = new Map(nodes.map((d, i) => [id(d, i, nodes), d])), - link; + // skip seed triangle points + if (i === i0 || i === i1 || i === i2) continue; - for (i = 0, count = new Array(n); i < m; ++i) { - link = links[i], link.index = i; - if (typeof link.source !== "object") link.source = find(nodeById, link.source); - if (typeof link.target !== "object") link.target = find(nodeById, link.target); - count[link.source.index] = (count[link.source.index] || 0) + 1; - count[link.target.index] = (count[link.target.index] || 0) + 1; - } + // find a visible edge on the convex hull using edge hash + let start = 0; + for (let j = 0, key = this._hashKey(x, y); j < this._hashSize; j++) { + start = hullHash[(key + j) % this._hashSize]; + if (start !== -1 && start !== hullNext[start]) break; + } - for (i = 0, bias = new Array(m); i < m; ++i) { - link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); - } + start = hullPrev[start]; + let e = start, q; + while (q = hullNext[e], !orient(x, y, coords[2 * e], coords[2 * e + 1], coords[2 * q], coords[2 * q + 1])) { + e = q; + if (e === start) { + e = -1; + break; + } + } + if (e === -1) continue; // likely a near-duplicate point; skip it - strengths = new Array(m), initializeStrength(); - distances = new Array(m), initializeDistance(); - } + // add the first triangle from the point + let t = this._addTriangle(e, i, hullNext[e], -1, -1, hullTri[e]); - function initializeStrength() { - if (!nodes) return; + // recursively flip triangles from the point until they satisfy the Delaunay condition + hullTri[i] = this._legalize(t + 2); + hullTri[e] = t; // keep track of boundary triangles on the hull + hullSize++; - for (var i = 0, n = links.length; i < n; ++i) { - strengths[i] = +strength(links[i], i, links); - } - } + // walk forward through the hull, adding more triangles and flipping recursively + let n = hullNext[e]; + while (q = hullNext[n], orient(x, y, coords[2 * n], coords[2 * n + 1], coords[2 * q], coords[2 * q + 1])) { + t = this._addTriangle(n, i, q, hullTri[i], -1, hullTri[n]); + hullTri[i] = this._legalize(t + 2); + hullNext[n] = n; // mark as removed + hullSize--; + n = q; + } - function initializeDistance() { - if (!nodes) return; + // walk backward from the other side, adding more triangles and flipping + if (e === start) { + while (q = hullPrev[e], orient(x, y, coords[2 * q], coords[2 * q + 1], coords[2 * e], coords[2 * e + 1])) { + t = this._addTriangle(q, i, e, -1, hullTri[e], hullTri[q]); + this._legalize(t + 2); + hullTri[q] = t; + hullNext[e] = e; // mark as removed + hullSize--; + e = q; + } + } - for (var i = 0, n = links.length; i < n; ++i) { - distances[i] = +distance(links[i], i, links); - } - } + // update the hull indices + this._hullStart = hullPrev[i] = e; + hullNext[e] = hullPrev[n] = i; + hullNext[i] = n; - force.initialize = function(_nodes, _random) { - nodes = _nodes; - random = _random; - initialize(); - }; + // save the two new edges in the hash table + hullHash[this._hashKey(x, y)] = i; + hullHash[this._hashKey(coords[2 * e], coords[2 * e + 1])] = e; + } - force.links = function(_) { - return arguments.length ? (links = _, initialize(), force) : links; - }; + this.hull = new Uint32Array(hullSize); + for (let i = 0, e = this._hullStart; i < hullSize; i++) { + this.hull[i] = e; + e = hullNext[e]; + } - force.id = function(_) { - return arguments.length ? (id = _, force) : id; - }; + // trim typed triangle mesh arrays + this.triangles = this._triangles.subarray(0, this.trianglesLen); + this.halfedges = this._halfedges.subarray(0, this.trianglesLen); + } - force.iterations = function(_) { - return arguments.length ? (iterations = +_, force) : iterations; - }; + _hashKey(x, y) { + return Math.floor(pseudoAngle(x - this._cx, y - this._cy) * this._hashSize) % this._hashSize; + } - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant(+_), initializeStrength(), force) : strength; - }; + _legalize(a) { + const {_triangles: triangles, _halfedges: halfedges, coords} = this; - force.distance = function(_) { - return arguments.length ? (distance = typeof _ === "function" ? _ : constant(+_), initializeDistance(), force) : distance; - }; + let i = 0; + let ar = 0; - return force; -} + // recursion eliminated with a fixed-size stack + while (true) { + const b = halfedges[a]; -// https://en.wikipedia.org/wiki/Linear_congruential_generator#Parameters_in_common_use -const a = 1664525; -const c = 1013904223; -const m = 4294967296; // 2^32 + /* if the pair of triangles doesn't satisfy the Delaunay condition + * (p1 is inside the circumcircle of [p0, pl, pr]), flip them, + * then do the same check/flip recursively for the new pair of triangles + * + * pl pl + * /||\ / \ + * al/ || \bl al/ \a + * / || \ / \ + * / a||b \ flip /___ar___\ + * p0\ || /p1 => p0\---bl---/p1 + * \ || / \ / + * ar\ || /br b\ /br + * \||/ \ / + * pr pr + */ + const a0 = a - a % 3; + ar = a0 + (a + 2) % 3; -function lcg() { - let s = 1; - return () => (s = (a * s + c) % m) / m; -} + if (b === -1) { // convex hull edge + if (i === 0) break; + a = EDGE_STACK[--i]; + continue; + } -function x$1(d) { - return d.x; -} + const b0 = b - b % 3; + const al = a0 + (a + 1) % 3; + const bl = b0 + (b + 2) % 3; -function y$1(d) { - return d.y; -} + const p0 = triangles[ar]; + const pr = triangles[a]; + const pl = triangles[al]; + const p1 = triangles[bl]; -var initialRadius = 10, - initialAngle = Math.PI * (3 - Math.sqrt(5)); + const illegal = inCircle( + coords[2 * p0], coords[2 * p0 + 1], + coords[2 * pr], coords[2 * pr + 1], + coords[2 * pl], coords[2 * pl + 1], + coords[2 * p1], coords[2 * p1 + 1]); -function simulation(nodes) { - var simulation, - alpha = 1, - alphaMin = 0.001, - alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), - alphaTarget = 0, - velocityDecay = 0.6, - forces = new Map(), - stepper = d3Timer.timer(step), - event = d3Dispatch.dispatch("tick", "end"), - random = lcg(); + if (illegal) { + triangles[a] = p1; + triangles[b] = p0; - if (nodes == null) nodes = []; + const hbl = halfedges[bl]; - function step() { - tick(); - event.call("tick", simulation); - if (alpha < alphaMin) { - stepper.stop(); - event.call("end", simulation); - } - } - - function tick(iterations) { - var i, n = nodes.length, node; - - if (iterations === undefined) iterations = 1; + // edge swapped on the other side of the hull (rare); fix the halfedge reference + if (hbl === -1) { + let e = this._hullStart; + do { + if (this._hullTri[e] === bl) { + this._hullTri[e] = a; + break; + } + e = this._hullPrev[e]; + } while (e !== this._hullStart); + } + this._link(a, hbl); + this._link(b, halfedges[ar]); + this._link(ar, bl); - for (var k = 0; k < iterations; ++k) { - alpha += (alphaTarget - alpha) * alphaDecay; + const br = b0 + (b + 1) % 3; - forces.forEach(function(force) { - force(alpha); - }); + // don't worry about hitting the cap: it can only happen on extremely degenerate input + if (i < EDGE_STACK.length) { + EDGE_STACK[i++] = br; + } + } else { + if (i === 0) break; + a = EDGE_STACK[--i]; + } + } - for (i = 0; i < n; ++i) { - node = nodes[i]; - if (node.fx == null) node.x += node.vx *= velocityDecay; - else node.x = node.fx, node.vx = 0; - if (node.fy == null) node.y += node.vy *= velocityDecay; - else node.y = node.fy, node.vy = 0; - } + return ar; } - return simulation; - } - - function initializeNodes() { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.index = i; - if (node.fx != null) node.x = node.fx; - if (node.fy != null) node.y = node.fy; - if (isNaN(node.x) || isNaN(node.y)) { - var radius = initialRadius * Math.sqrt(0.5 + i), angle = i * initialAngle; - node.x = radius * Math.cos(angle); - node.y = radius * Math.sin(angle); - } - if (isNaN(node.vx) || isNaN(node.vy)) { - node.vx = node.vy = 0; - } + _link(a, b) { + this._halfedges[a] = b; + if (b !== -1) this._halfedges[b] = a; } - } - - function initializeForce(force) { - if (force.initialize) force.initialize(nodes, random); - return force; - } - - initializeNodes(); - return simulation = { - tick: tick, + // add a new triangle given vertex indices and adjacent half-edge ids + _addTriangle(i0, i1, i2, a, b, c) { + const t = this.trianglesLen; - restart: function() { - return stepper.restart(step), simulation; - }, + this._triangles[t] = i0; + this._triangles[t + 1] = i1; + this._triangles[t + 2] = i2; - stop: function() { - return stepper.stop(), simulation; - }, + this._link(t, a); + this._link(t + 1, b); + this._link(t + 2, c); - nodes: function(_) { - return arguments.length ? (nodes = _, initializeNodes(), forces.forEach(initializeForce), simulation) : nodes; - }, + this.trianglesLen += 3; - alpha: function(_) { - return arguments.length ? (alpha = +_, simulation) : alpha; - }, + return t; + } +} - alphaMin: function(_) { - return arguments.length ? (alphaMin = +_, simulation) : alphaMin; - }, +// monotonically increases with real angle, but doesn't need expensive trigonometry +function pseudoAngle(dx, dy) { + const p = dx / (Math.abs(dx) + Math.abs(dy)); + return (dy > 0 ? 3 - p : 1 + p) / 4; // [0..1] +} - alphaDecay: function(_) { - return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; - }, +function dist(ax, ay, bx, by) { + const dx = ax - bx; + const dy = ay - by; + return dx * dx + dy * dy; +} - alphaTarget: function(_) { - return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; - }, +// return 2d orientation sign if we're confident in it through J. Shewchuk's error bound check +function orientIfSure(px, py, rx, ry, qx, qy) { + const l = (ry - py) * (qx - px); + const r = (rx - px) * (qy - py); + return Math.abs(l - r) >= 3.3306690738754716e-16 * Math.abs(l + r) ? l - r : 0; +} - velocityDecay: function(_) { - return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; - }, +// a more robust orientation test that's stable in a given triangle (to fix robustness issues) +function orient(rx, ry, qx, qy, px, py) { + const sign = orientIfSure(px, py, rx, ry, qx, qy) || + orientIfSure(rx, ry, qx, qy, px, py) || + orientIfSure(qx, qy, px, py, rx, ry); + return sign < 0; +} - randomSource: function(_) { - return arguments.length ? (random = _, forces.forEach(initializeForce), simulation) : random; - }, +function inCircle(ax, ay, bx, by, cx, cy, px, py) { + const dx = ax - px; + const dy = ay - py; + const ex = bx - px; + const ey = by - py; + const fx = cx - px; + const fy = cy - py; - force: function(name, _) { - return arguments.length > 1 ? ((_ == null ? forces.delete(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); - }, + const ap = dx * dx + dy * dy; + const bp = ex * ex + ey * ey; + const cp = fx * fx + fy * fy; - find: function(x, y, radius) { - var i = 0, - n = nodes.length, - dx, - dy, - d2, - node, - closest; + return dx * (ey * cp - bp * fy) - + dy * (ex * cp - bp * fx) + + ap * (ex * fy - ey * fx) < 0; +} - if (radius == null) radius = Infinity; - else radius *= radius; +function circumradius(ax, ay, bx, by, cx, cy) { + const dx = bx - ax; + const dy = by - ay; + const ex = cx - ax; + const ey = cy - ay; - for (i = 0; i < n; ++i) { - node = nodes[i]; - dx = x - node.x; - dy = y - node.y; - d2 = dx * dx + dy * dy; - if (d2 < radius) closest = node, radius = d2; - } + const bl = dx * dx + dy * dy; + const cl = ex * ex + ey * ey; + const d = 0.5 / (dx * ey - dy * ex); - return closest; - }, + const x = (ey * bl - dy * cl) * d; + const y = (dx * cl - ex * bl) * d; - on: function(name, _) { - return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); - } - }; + return x * x + y * y; } -function manyBody() { - var nodes, - node, - random, - alpha, - strength = constant(-30), - strengths, - distanceMin2 = 1, - distanceMax2 = Infinity, - theta2 = 0.81; +function circumcenter(ax, ay, bx, by, cx, cy) { + const dx = bx - ax; + const dy = by - ay; + const ex = cx - ax; + const ey = cy - ay; - function force(_) { - var i, n = nodes.length, tree = d3Quadtree.quadtree(nodes, x$1, y$1).visitAfter(accumulate); - for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); - } + const bl = dx * dx + dy * dy; + const cl = ex * ex + ey * ey; + const d = 0.5 / (dx * ey - dy * ex); - function initialize() { - if (!nodes) return; - var i, n = nodes.length, node; - strengths = new Array(n); - for (i = 0; i < n; ++i) node = nodes[i], strengths[node.index] = +strength(node, i, nodes); - } + const x = ax + (ey * bl - dy * cl) * d; + const y = ay + (dx * cl - ex * bl) * d; - function accumulate(quad) { - var strength = 0, q, c, weight = 0, x, y, i; + return {x, y}; +} - // For internal nodes, accumulate forces from child quadrants. - if (quad.length) { - for (x = y = i = 0; i < 4; ++i) { - if ((q = quad[i]) && (c = Math.abs(q.value))) { - strength += q.value, weight += c, x += c * q.x, y += c * q.y; +function quicksort(ids, dists, left, right) { + if (right - left <= 20) { + for (let i = left + 1; i <= right; i++) { + const temp = ids[i]; + const tempDist = dists[temp]; + let j = i - 1; + while (j >= left && dists[ids[j]] > tempDist) ids[j + 1] = ids[j--]; + ids[j + 1] = temp; } - } - quad.x = x / weight; - quad.y = y / weight; - } + } else { + const median = (left + right) >> 1; + let i = left + 1; + let j = right; + swap(ids, median, i); + if (dists[ids[left]] > dists[ids[right]]) swap(ids, left, right); + if (dists[ids[i]] > dists[ids[right]]) swap(ids, i, right); + if (dists[ids[left]] > dists[ids[i]]) swap(ids, left, i); - // For leaf nodes, accumulate forces from coincident quadrants. - else { - q = quad; - q.x = q.data.x; - q.y = q.data.y; - do strength += strengths[q.data.index]; - while (q = q.next); - } - - quad.value = strength; - } - - function apply(quad, x1, _, x2) { - if (!quad.value) return true; - - var x = quad.x - node.x, - y = quad.y - node.y, - w = x2 - x1, - l = x * x + y * y; - - // Apply the Barnes-Hut approximation if possible. - // Limit forces for very close nodes; randomize direction if coincident. - if (w * w / theta2 < l) { - if (l < distanceMax2) { - if (x === 0) x = jiggle(random), l += x * x; - if (y === 0) y = jiggle(random), l += y * y; - if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); - node.vx += x * quad.value * alpha / l; - node.vy += y * quad.value * alpha / l; - } - return true; - } - - // Otherwise, process points directly. - else if (quad.length || l >= distanceMax2) return; + const temp = ids[i]; + const tempDist = dists[temp]; + while (true) { + do i++; while (dists[ids[i]] < tempDist); + do j--; while (dists[ids[j]] > tempDist); + if (j < i) break; + swap(ids, i, j); + } + ids[left + 1] = ids[j]; + ids[j] = temp; - // Limit forces for very close nodes; randomize direction if coincident. - if (quad.data !== node || quad.next) { - if (x === 0) x = jiggle(random), l += x * x; - if (y === 0) y = jiggle(random), l += y * y; - if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); + if (right - i + 1 >= j - left) { + quicksort(ids, dists, i, right); + quicksort(ids, dists, left, j - 1); + } else { + quicksort(ids, dists, left, j - 1); + quicksort(ids, dists, i, right); + } } +} - do if (quad.data !== node) { - w = strengths[quad.data.index] * alpha / l; - node.vx += x * w; - node.vy += y * w; - } while (quad = quad.next); - } - - force.initialize = function(_nodes, _random) { - nodes = _nodes; - random = _random; - initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant(+_), initialize(), force) : strength; - }; - - force.distanceMin = function(_) { - return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); - }; - - force.distanceMax = function(_) { - return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); - }; - - force.theta = function(_) { - return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); - }; - - return force; +function swap(arr, i, j) { + const tmp = arr[i]; + arr[i] = arr[j]; + arr[j] = tmp; } -function radial(radius, x, y) { - var nodes, - strength = constant(0.1), - strengths, - radiuses; +function defaultGetX(p) { + return p[0]; +} +function defaultGetY(p) { + return p[1]; +} - if (typeof radius !== "function") radius = constant(+radius); - if (x == null) x = 0; - if (y == null) y = 0; +const epsilon = 1e-6; - function force(alpha) { - for (var i = 0, n = nodes.length; i < n; ++i) { - var node = nodes[i], - dx = node.x - x || 1e-6, - dy = node.y - y || 1e-6, - r = Math.sqrt(dx * dx + dy * dy), - k = (radiuses[i] - r) * strengths[i] * alpha / r; - node.vx += dx * k; - node.vy += dy * k; - } +class Path { + constructor() { + this._x0 = this._y0 = // start of current subpath + this._x1 = this._y1 = null; // end of current subpath + this._ = ""; } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - radiuses = new Array(n); - for (i = 0; i < n; ++i) { - radiuses[i] = +radius(nodes[i], i, nodes); - strengths[i] = isNaN(radiuses[i]) ? 0 : +strength(nodes[i], i, nodes); + moveTo(x, y) { + this._ += `M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}`; + } + closePath() { + if (this._x1 !== null) { + this._x1 = this._x0, this._y1 = this._y0; + this._ += "Z"; } } - - force.initialize = function(_) { - nodes = _, initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant(+_), initialize(), force) : strength; - }; - - force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant(+_), initialize(), force) : radius; - }; - - force.x = function(_) { - return arguments.length ? (x = +_, force) : x; - }; - - force.y = function(_) { - return arguments.length ? (y = +_, force) : y; - }; - - return force; + lineTo(x, y) { + this._ += `L${this._x1 = +x},${this._y1 = +y}`; + } + arc(x, y, r) { + x = +x, y = +y, r = +r; + const x0 = x + r; + const y0 = y; + if (r < 0) throw new Error("negative radius"); + if (this._x1 === null) this._ += `M${x0},${y0}`; + else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) this._ += "L" + x0 + "," + y0; + if (!r) return; + this._ += `A${r},${r},0,1,1,${x - r},${y}A${r},${r},0,1,1,${this._x1 = x0},${this._y1 = y0}`; + } + rect(x, y, w, h) { + this._ += `M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}h${+w}v${+h}h${-w}Z`; + } + value() { + return this._ || null; + } } -function x$2(x) { - var strength = constant(0.1), - nodes, - strengths, - xz; - - if (typeof x !== "function") x = constant(x == null ? 0 : +x); - - function force(alpha) { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; - } +class Polygon { + constructor() { + this._ = []; } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - xz = new Array(n); - for (i = 0; i < n; ++i) { - strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); - } + moveTo(x, y) { + this._.push([x, y]); + } + closePath() { + this._.push(this._[0].slice()); + } + lineTo(x, y) { + this._.push([x, y]); + } + value() { + return this._.length ? this._ : null; } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant(+_), initialize(), force) : strength; - }; - - force.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant(+_), initialize(), force) : x; - }; - - return force; } -function y$2(y) { - var strength = constant(0.1), - nodes, - strengths, - yz; - - if (typeof y !== "function") y = constant(y == null ? 0 : +y); - - function force(alpha) { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; - } +class Voronoi { + constructor(delaunay, [xmin, ymin, xmax, ymax] = [0, 0, 960, 500]) { + if (!((xmax = +xmax) >= (xmin = +xmin)) || !((ymax = +ymax) >= (ymin = +ymin))) throw new Error("invalid bounds"); + this.delaunay = delaunay; + this._circumcenters = new Float64Array(delaunay.points.length * 2); + this.vectors = new Float64Array(delaunay.points.length * 2); + this.xmax = xmax, this.xmin = xmin; + this.ymax = ymax, this.ymin = ymin; + this._init(); } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - yz = new Array(n); - for (i = 0; i < n; ++i) { - strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); - } + update() { + this.delaunay.update(); + this._init(); + return this; } + _init() { + const {delaunay: {points, hull, triangles}, vectors} = this; - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant(+_), initialize(), force) : strength; - }; - - force.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant(+_), initialize(), force) : y; - }; - - return force; -} - -exports.forceCenter = center; -exports.forceCollide = collide; -exports.forceLink = link; -exports.forceManyBody = manyBody; -exports.forceRadial = radial; -exports.forceSimulation = simulation; -exports.forceX = x$2; -exports.forceY = y$2; - -Object.defineProperty(exports, '__esModule', { value: true }); - -})); -}); - -var d3Format = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-format/ v2.0.0 Copyright 2020 Mike Bostock -(function (global, factory) { -factory(exports) ; -}(commonjsGlobal, (function (exports) { -function formatDecimal(x) { - return Math.abs(x = Math.round(x)) >= 1e21 - ? x.toLocaleString("en").replace(/,/g, "") - : x.toString(10); -} - -// Computes the decimal coefficient and exponent of the specified number x with -// significant digits p, where x is positive and p is in [1, 21] or undefined. -// For example, formatDecimalParts(1.23) returns ["123", 0]. -function formatDecimalParts(x, p) { - if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity - var i, coefficient = x.slice(0, i); - - // The string returned by toExponential either has the form \d\.\d+e[-+]\d+ - // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). - return [ - coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, - +x.slice(i + 1) - ]; -} - -function exponent(x) { - return x = formatDecimalParts(Math.abs(x)), x ? x[1] : NaN; -} + // Compute circumcenters. + const circumcenters = this.circumcenters = this._circumcenters.subarray(0, triangles.length / 3 * 2); + for (let i = 0, j = 0, n = triangles.length, x, y; i < n; i += 3, j += 2) { + const t1 = triangles[i] * 2; + const t2 = triangles[i + 1] * 2; + const t3 = triangles[i + 2] * 2; + const x1 = points[t1]; + const y1 = points[t1 + 1]; + const x2 = points[t2]; + const y2 = points[t2 + 1]; + const x3 = points[t3]; + const y3 = points[t3 + 1]; -function formatGroup(grouping, thousands) { - return function(value, width) { - var i = value.length, - t = [], - j = 0, - g = grouping[0], - length = 0; + const dx = x2 - x1; + const dy = y2 - y1; + const ex = x3 - x1; + const ey = y3 - y1; + const bl = dx * dx + dy * dy; + const cl = ex * ex + ey * ey; + const ab = (dx * ey - dy * ex) * 2; - while (i > 0 && g > 0) { - if (length + g + 1 > width) g = Math.max(1, width - length); - t.push(value.substring(i -= g, i + g)); - if ((length += g + 1) > width) break; - g = grouping[j = (j + 1) % grouping.length]; + if (!ab) { + // degenerate case (collinear diagram) + x = (x1 + x3) / 2 - 1e8 * ey; + y = (y1 + y3) / 2 + 1e8 * ex; + } + else if (Math.abs(ab) < 1e-8) { + // almost equal points (degenerate triangle) + x = (x1 + x3) / 2; + y = (y1 + y3) / 2; + } else { + const d = 1 / ab; + x = x1 + (ey * bl - dy * cl) * d; + y = y1 + (dx * cl - ex * bl) * d; + } + circumcenters[j] = x; + circumcenters[j + 1] = y; } - return t.reverse().join(thousands); - }; -} - -function formatNumerals(numerals) { - return function(value) { - return value.replace(/[0-9]/g, function(i) { - return numerals[+i]; - }); - }; -} - -// [[fill]align][sign][symbol][0][width][,][.precision][~][type] -var re = /^(?:(.)?([<>=^]))?([+\-( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i; - -function formatSpecifier(specifier) { - if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); - var match; - return new FormatSpecifier({ - fill: match[1], - align: match[2], - sign: match[3], - symbol: match[4], - zero: match[5], - width: match[6], - comma: match[7], - precision: match[8] && match[8].slice(1), - trim: match[9], - type: match[10] - }); -} - -formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof - -function FormatSpecifier(specifier) { - this.fill = specifier.fill === undefined ? " " : specifier.fill + ""; - this.align = specifier.align === undefined ? ">" : specifier.align + ""; - this.sign = specifier.sign === undefined ? "-" : specifier.sign + ""; - this.symbol = specifier.symbol === undefined ? "" : specifier.symbol + ""; - this.zero = !!specifier.zero; - this.width = specifier.width === undefined ? undefined : +specifier.width; - this.comma = !!specifier.comma; - this.precision = specifier.precision === undefined ? undefined : +specifier.precision; - this.trim = !!specifier.trim; - this.type = specifier.type === undefined ? "" : specifier.type + ""; -} - -FormatSpecifier.prototype.toString = function() { - return this.fill - + this.align - + this.sign - + this.symbol - + (this.zero ? "0" : "") - + (this.width === undefined ? "" : Math.max(1, this.width | 0)) - + (this.comma ? "," : "") - + (this.precision === undefined ? "" : "." + Math.max(0, this.precision | 0)) - + (this.trim ? "~" : "") - + this.type; -}; - -// Trims insignificant zeros, e.g., replaces 1.2000k with 1.2k. -function formatTrim(s) { - out: for (var n = s.length, i = 1, i0 = -1, i1; i < n; ++i) { - switch (s[i]) { - case ".": i0 = i1 = i; break; - case "0": if (i0 === 0) i0 = i; i1 = i; break; - default: if (!+s[i]) break out; if (i0 > 0) i0 = 0; break; + // Compute exterior cell rays. + let h = hull[hull.length - 1]; + let p0, p1 = h * 4; + let x0, x1 = points[2 * h]; + let y0, y1 = points[2 * h + 1]; + vectors.fill(0); + for (let i = 0; i < hull.length; ++i) { + h = hull[i]; + p0 = p1, x0 = x1, y0 = y1; + p1 = h * 4, x1 = points[2 * h], y1 = points[2 * h + 1]; + vectors[p0 + 2] = vectors[p1] = y0 - y1; + vectors[p0 + 3] = vectors[p1 + 1] = x1 - x0; } } - return i0 > 0 ? s.slice(0, i0) + s.slice(i1 + 1) : s; -} - -var prefixExponent; - -function formatPrefixAuto(x, p) { - var d = formatDecimalParts(x, p); - if (!d) return x + ""; - var coefficient = d[0], - exponent = d[1], - i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, - n = coefficient.length; - return i === n ? coefficient - : i > n ? coefficient + new Array(i - n + 1).join("0") - : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) - : "0." + new Array(1 - i).join("0") + formatDecimalParts(x, Math.max(0, p + i - 1))[0]; // less than 1y! -} - -function formatRounded(x, p) { - var d = formatDecimalParts(x, p); - if (!d) return x + ""; - var coefficient = d[0], - exponent = d[1]; - return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient - : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) - : coefficient + new Array(exponent - coefficient.length + 2).join("0"); -} - -var formatTypes = { - "%": (x, p) => (x * 100).toFixed(p), - "b": (x) => Math.round(x).toString(2), - "c": (x) => x + "", - "d": formatDecimal, - "e": (x, p) => x.toExponential(p), - "f": (x, p) => x.toFixed(p), - "g": (x, p) => x.toPrecision(p), - "o": (x) => Math.round(x).toString(8), - "p": (x, p) => formatRounded(x * 100, p), - "r": formatRounded, - "s": formatPrefixAuto, - "X": (x) => Math.round(x).toString(16).toUpperCase(), - "x": (x) => Math.round(x).toString(16) -}; - -function identity(x) { - return x; -} - -var map = Array.prototype.map, - prefixes = ["y","z","a","f","p","n","µ","m","","k","M","G","T","P","E","Z","Y"]; - -function formatLocale(locale) { - var group = locale.grouping === undefined || locale.thousands === undefined ? identity : formatGroup(map.call(locale.grouping, Number), locale.thousands + ""), - currencyPrefix = locale.currency === undefined ? "" : locale.currency[0] + "", - currencySuffix = locale.currency === undefined ? "" : locale.currency[1] + "", - decimal = locale.decimal === undefined ? "." : locale.decimal + "", - numerals = locale.numerals === undefined ? identity : formatNumerals(map.call(locale.numerals, String)), - percent = locale.percent === undefined ? "%" : locale.percent + "", - minus = locale.minus === undefined ? "−" : locale.minus + "", - nan = locale.nan === undefined ? "NaN" : locale.nan + ""; - - function newFormat(specifier) { - specifier = formatSpecifier(specifier); - - var fill = specifier.fill, - align = specifier.align, - sign = specifier.sign, - symbol = specifier.symbol, - zero = specifier.zero, - width = specifier.width, - comma = specifier.comma, - precision = specifier.precision, - trim = specifier.trim, - type = specifier.type; - - // The "n" type is an alias for ",g". - if (type === "n") comma = true, type = "g"; - - // The "" type, and any invalid type, is an alias for ".12~g". - else if (!formatTypes[type]) precision === undefined && (precision = 12), trim = true, type = "g"; - - // If zero fill is specified, padding goes after sign and before digits. - if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; - - // Compute the prefix and suffix. - // For SI-prefix, the suffix is lazily computed. - var prefix = symbol === "$" ? currencyPrefix : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", - suffix = symbol === "$" ? currencySuffix : /[%p]/.test(type) ? percent : ""; - - // What format function should we use? - // Is this an integer type? - // Can this type generate exponential notation? - var formatType = formatTypes[type], - maybeSuffix = /[defgprs%]/.test(type); - - // Set the default precision if not specified, - // or clamp the specified precision to the supported range. - // For significant precision, it must be in [1, 21]. - // For fixed precision, it must be in [0, 20]. - precision = precision === undefined ? 6 - : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) - : Math.max(0, Math.min(20, precision)); - - function format(value) { - var valuePrefix = prefix, - valueSuffix = suffix, - i, n, c; - - if (type === "c") { - valueSuffix = formatType(value) + valueSuffix; - value = ""; - } else { - value = +value; - - // Determine the sign. -0 is not less than 0, but 1 / -0 is! - var valueNegative = value < 0 || 1 / value < 0; - - // Perform the initial formatting. - value = isNaN(value) ? nan : formatType(Math.abs(value), precision); - - // Trim insignificant zeros. - if (trim) value = formatTrim(value); - - // If a negative value rounds to zero after formatting, and no explicit positive sign is requested, hide the sign. - if (valueNegative && +value === 0 && sign !== "+") valueNegative = false; - - // Compute the prefix and suffix. - valuePrefix = (valueNegative ? (sign === "(" ? sign : minus) : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; - valueSuffix = (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (valueNegative && sign === "(" ? ")" : ""); - - // Break the formatted value into the integer “value” part that can be - // grouped, and fractional or exponential “suffix” part that is not. - if (maybeSuffix) { - i = -1, n = value.length; - while (++i < n) { - if (c = value.charCodeAt(i), 48 > c || c > 57) { - valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; - value = value.slice(0, i); - break; - } + render(context) { + const buffer = context == null ? context = new Path : undefined; + const {delaunay: {halfedges, inedges, hull}, circumcenters, vectors} = this; + if (hull.length <= 1) return null; + for (let i = 0, n = halfedges.length; i < n; ++i) { + const j = halfedges[i]; + if (j < i) continue; + const ti = Math.floor(i / 3) * 2; + const tj = Math.floor(j / 3) * 2; + const xi = circumcenters[ti]; + const yi = circumcenters[ti + 1]; + const xj = circumcenters[tj]; + const yj = circumcenters[tj + 1]; + this._renderSegment(xi, yi, xj, yj, context); + } + let h0, h1 = hull[hull.length - 1]; + for (let i = 0; i < hull.length; ++i) { + h0 = h1, h1 = hull[i]; + const t = Math.floor(inedges[h1] / 3) * 2; + const x = circumcenters[t]; + const y = circumcenters[t + 1]; + const v = h0 * 4; + const p = this._project(x, y, vectors[v + 2], vectors[v + 3]); + if (p) this._renderSegment(x, y, p[0], p[1], context); + } + return buffer && buffer.value(); + } + renderBounds(context) { + const buffer = context == null ? context = new Path : undefined; + context.rect(this.xmin, this.ymin, this.xmax - this.xmin, this.ymax - this.ymin); + return buffer && buffer.value(); + } + renderCell(i, context) { + const buffer = context == null ? context = new Path : undefined; + const points = this._clip(i); + if (points === null || !points.length) return; + context.moveTo(points[0], points[1]); + let n = points.length; + while (points[0] === points[n-2] && points[1] === points[n-1] && n > 1) n -= 2; + for (let i = 2; i < n; i += 2) { + if (points[i] !== points[i-2] || points[i+1] !== points[i-1]) + context.lineTo(points[i], points[i + 1]); + } + context.closePath(); + return buffer && buffer.value(); + } + *cellPolygons() { + const {delaunay: {points}} = this; + for (let i = 0, n = points.length / 2; i < n; ++i) { + const cell = this.cellPolygon(i); + if (cell) cell.index = i, yield cell; + } + } + cellPolygon(i) { + const polygon = new Polygon; + this.renderCell(i, polygon); + return polygon.value(); + } + _renderSegment(x0, y0, x1, y1, context) { + let S; + const c0 = this._regioncode(x0, y0); + const c1 = this._regioncode(x1, y1); + if (c0 === 0 && c1 === 0) { + context.moveTo(x0, y0); + context.lineTo(x1, y1); + } else if (S = this._clipSegment(x0, y0, x1, y1, c0, c1)) { + context.moveTo(S[0], S[1]); + context.lineTo(S[2], S[3]); + } + } + contains(i, x, y) { + if ((x = +x, x !== x) || (y = +y, y !== y)) return false; + return this.delaunay._step(i, x, y) === i; + } + *neighbors(i) { + const ci = this._clip(i); + if (ci) for (const j of this.delaunay.neighbors(i)) { + const cj = this._clip(j); + // find the common edge + if (cj) loop: for (let ai = 0, li = ci.length; ai < li; ai += 2) { + for (let aj = 0, lj = cj.length; aj < lj; aj += 2) { + if (ci[ai] == cj[aj] + && ci[ai + 1] == cj[aj + 1] + && ci[(ai + 2) % li] == cj[(aj + lj - 2) % lj] + && ci[(ai + 3) % li] == cj[(aj + lj - 1) % lj] + ) { + yield j; + break loop; } } } - - // If the fill character is not "0", grouping is applied before padding. - if (comma && !zero) value = group(value, Infinity); - - // Compute the padding. - var length = valuePrefix.length + value.length + valueSuffix.length, - padding = length < width ? new Array(width - length + 1).join(fill) : ""; - - // If the fill character is "0", grouping is applied after padding. - if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; - - // Reconstruct the final output based on the desired alignment. - switch (align) { - case "<": value = valuePrefix + value + valueSuffix + padding; break; - case "=": value = valuePrefix + padding + value + valueSuffix; break; - case "^": value = padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); break; - default: value = padding + valuePrefix + value + valueSuffix; break; - } - - return numerals(value); } - - format.toString = function() { - return specifier + ""; - }; - - return format; } - - function formatPrefix(specifier, value) { - var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), - e = Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3, - k = Math.pow(10, -e), - prefix = prefixes[8 + e / 3]; - return function(value) { - return f(k * value) + prefix; - }; + _cell(i) { + const {circumcenters, delaunay: {inedges, halfedges, triangles}} = this; + const e0 = inedges[i]; + if (e0 === -1) return null; // coincident point + const points = []; + let e = e0; + do { + const t = Math.floor(e / 3); + points.push(circumcenters[t * 2], circumcenters[t * 2 + 1]); + e = e % 3 === 2 ? e - 2 : e + 1; + if (triangles[e] !== i) break; // bad triangulation + e = halfedges[e]; + } while (e !== e0 && e !== -1); + return points; } + _clip(i) { + // degenerate case (1 valid point: return the box) + if (i === 0 && this.delaunay.hull.length === 1) { + return [this.xmax, this.ymin, this.xmax, this.ymax, this.xmin, this.ymax, this.xmin, this.ymin]; + } + const points = this._cell(i); + if (points === null) return null; + const {vectors: V} = this; + const v = i * 4; + return V[v] || V[v + 1] + ? this._clipInfinite(i, points, V[v], V[v + 1], V[v + 2], V[v + 3]) + : this._clipFinite(i, points); + } + _clipFinite(i, points) { + const n = points.length; + let P = null; + let x0, y0, x1 = points[n - 2], y1 = points[n - 1]; + let c0, c1 = this._regioncode(x1, y1); + let e0, e1; + for (let j = 0; j < n; j += 2) { + x0 = x1, y0 = y1, x1 = points[j], y1 = points[j + 1]; + c0 = c1, c1 = this._regioncode(x1, y1); + if (c0 === 0 && c1 === 0) { + e0 = e1, e1 = 0; + if (P) P.push(x1, y1); + else P = [x1, y1]; + } else { + let S, sx0, sy0, sx1, sy1; + if (c0 === 0) { + if ((S = this._clipSegment(x0, y0, x1, y1, c0, c1)) === null) continue; + [sx0, sy0, sx1, sy1] = S; + } else { + if ((S = this._clipSegment(x1, y1, x0, y0, c1, c0)) === null) continue; + [sx1, sy1, sx0, sy0] = S; + e0 = e1, e1 = this._edgecode(sx0, sy0); + if (e0 && e1) this._edge(i, e0, e1, P, P.length); + if (P) P.push(sx0, sy0); + else P = [sx0, sy0]; + } + e0 = e1, e1 = this._edgecode(sx1, sy1); + if (e0 && e1) this._edge(i, e0, e1, P, P.length); + if (P) P.push(sx1, sy1); + else P = [sx1, sy1]; + } + } + if (P) { + e0 = e1, e1 = this._edgecode(P[0], P[1]); + if (e0 && e1) this._edge(i, e0, e1, P, P.length); + } else if (this.contains(i, (this.xmin + this.xmax) / 2, (this.ymin + this.ymax) / 2)) { + return [this.xmax, this.ymin, this.xmax, this.ymax, this.xmin, this.ymax, this.xmin, this.ymin]; + } + return P; + } + _clipSegment(x0, y0, x1, y1, c0, c1) { + while (true) { + if (c0 === 0 && c1 === 0) return [x0, y0, x1, y1]; + if (c0 & c1) return null; + let x, y, c = c0 || c1; + if (c & 0b1000) x = x0 + (x1 - x0) * (this.ymax - y0) / (y1 - y0), y = this.ymax; + else if (c & 0b0100) x = x0 + (x1 - x0) * (this.ymin - y0) / (y1 - y0), y = this.ymin; + else if (c & 0b0010) y = y0 + (y1 - y0) * (this.xmax - x0) / (x1 - x0), x = this.xmax; + else y = y0 + (y1 - y0) * (this.xmin - x0) / (x1 - x0), x = this.xmin; + if (c0) x0 = x, y0 = y, c0 = this._regioncode(x0, y0); + else x1 = x, y1 = y, c1 = this._regioncode(x1, y1); + } + } + _clipInfinite(i, points, vx0, vy0, vxn, vyn) { + let P = Array.from(points), p; + if (p = this._project(P[0], P[1], vx0, vy0)) P.unshift(p[0], p[1]); + if (p = this._project(P[P.length - 2], P[P.length - 1], vxn, vyn)) P.push(p[0], p[1]); + if (P = this._clipFinite(i, P)) { + for (let j = 0, n = P.length, c0, c1 = this._edgecode(P[n - 2], P[n - 1]); j < n; j += 2) { + c0 = c1, c1 = this._edgecode(P[j], P[j + 1]); + if (c0 && c1) j = this._edge(i, c0, c1, P, j), n = P.length; + } + } else if (this.contains(i, (this.xmin + this.xmax) / 2, (this.ymin + this.ymax) / 2)) { + P = [this.xmin, this.ymin, this.xmax, this.ymin, this.xmax, this.ymax, this.xmin, this.ymax]; + } + return P; + } + _edge(i, e0, e1, P, j) { + while (e0 !== e1) { + let x, y; + switch (e0) { + case 0b0101: e0 = 0b0100; continue; // top-left + case 0b0100: e0 = 0b0110, x = this.xmax, y = this.ymin; break; // top + case 0b0110: e0 = 0b0010; continue; // top-right + case 0b0010: e0 = 0b1010, x = this.xmax, y = this.ymax; break; // right + case 0b1010: e0 = 0b1000; continue; // bottom-right + case 0b1000: e0 = 0b1001, x = this.xmin, y = this.ymax; break; // bottom + case 0b1001: e0 = 0b0001; continue; // bottom-left + case 0b0001: e0 = 0b0101, x = this.xmin, y = this.ymin; break; // left + } + if ((P[j] !== x || P[j + 1] !== y) && this.contains(i, x, y)) { + P.splice(j, 0, x, y), j += 2; + } + } + if (P.length > 4) { + for (let i = 0; i < P.length; i+= 2) { + const j = (i + 2) % P.length, k = (i + 4) % P.length; + if (P[i] === P[j] && P[j] === P[k] + || P[i + 1] === P[j + 1] && P[j + 1] === P[k + 1]) + P.splice(j, 2), i -= 2; + } + } + return j; + } + _project(x0, y0, vx, vy) { + let t = Infinity, c, x, y; + if (vy < 0) { // top + if (y0 <= this.ymin) return null; + if ((c = (this.ymin - y0) / vy) < t) y = this.ymin, x = x0 + (t = c) * vx; + } else if (vy > 0) { // bottom + if (y0 >= this.ymax) return null; + if ((c = (this.ymax - y0) / vy) < t) y = this.ymax, x = x0 + (t = c) * vx; + } + if (vx > 0) { // right + if (x0 >= this.xmax) return null; + if ((c = (this.xmax - x0) / vx) < t) x = this.xmax, y = y0 + (t = c) * vy; + } else if (vx < 0) { // left + if (x0 <= this.xmin) return null; + if ((c = (this.xmin - x0) / vx) < t) x = this.xmin, y = y0 + (t = c) * vy; + } + return [x, y]; + } + _edgecode(x, y) { + return (x === this.xmin ? 0b0001 + : x === this.xmax ? 0b0010 : 0b0000) + | (y === this.ymin ? 0b0100 + : y === this.ymax ? 0b1000 : 0b0000); + } + _regioncode(x, y) { + return (x < this.xmin ? 0b0001 + : x > this.xmax ? 0b0010 : 0b0000) + | (y < this.ymin ? 0b0100 + : y > this.ymax ? 0b1000 : 0b0000); + } +} - return { - format: newFormat, - formatPrefix: formatPrefix - }; -} - -var locale; - -defaultLocale({ - thousands: ",", - grouping: [3], - currency: ["$", ""] -}); - -function defaultLocale(definition) { - locale = formatLocale(definition); - exports.format = locale.format; - exports.formatPrefix = locale.formatPrefix; - return locale; -} - -function precisionFixed(step) { - return Math.max(0, -exponent(Math.abs(step))); -} - -function precisionPrefix(step, value) { - return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3 - exponent(Math.abs(step))); -} - -function precisionRound(step, max) { - step = Math.abs(step), max = Math.abs(max) - step; - return Math.max(0, exponent(max) - exponent(step)) + 1; -} - -exports.FormatSpecifier = FormatSpecifier; -exports.formatDefaultLocale = defaultLocale; -exports.formatLocale = formatLocale; -exports.formatSpecifier = formatSpecifier; -exports.precisionFixed = precisionFixed; -exports.precisionPrefix = precisionPrefix; -exports.precisionRound = precisionRound; - -Object.defineProperty(exports, '__esModule', { value: true }); - -}))); -}); - -var d3Geo = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-geo/ v2.0.2 Copyright 2021 Mike Bostock -(function (global, factory) { -factory(exports, d3Array) ; -}(commonjsGlobal, function (exports, d3Array) { -var epsilon = 1e-6; -var epsilon2 = 1e-12; -var pi = Math.PI; -var halfPi = pi / 2; -var quarterPi = pi / 4; -var tau = pi * 2; - -var degrees = 180 / pi; -var radians = pi / 180; - -var abs = Math.abs; -var atan = Math.atan; -var atan2 = Math.atan2; -var cos = Math.cos; -var ceil = Math.ceil; -var exp = Math.exp; -var hypot = Math.hypot; -var log = Math.log; -var pow = Math.pow; -var sin = Math.sin; -var sign = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; -var sqrt = Math.sqrt; -var tan = Math.tan; +const tau = 2 * Math.PI, pow = Math.pow; -function acos(x) { - return x > 1 ? 0 : x < -1 ? pi : Math.acos(x); +function pointX(p) { + return p[0]; } -function asin(x) { - return x > 1 ? halfPi : x < -1 ? -halfPi : Math.asin(x); +function pointY(p) { + return p[1]; } -function haversin(x) { - return (x = sin(x / 2)) * x; +// A triangulation is collinear if all its triangles have a non-null area +function collinear(d) { + const {triangles, coords} = d; + for (let i = 0; i < triangles.length; i += 3) { + const a = 2 * triangles[i], + b = 2 * triangles[i + 1], + c = 2 * triangles[i + 2], + cross = (coords[c] - coords[a]) * (coords[b + 1] - coords[a + 1]) + - (coords[b] - coords[a]) * (coords[c + 1] - coords[a + 1]); + if (cross > 1e-10) return false; + } + return true; } -function noop() {} - -function streamGeometry(geometry, stream) { - if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { - streamGeometryType[geometry.type](geometry, stream); - } +function jitter(x, y, r) { + return [x + Math.sin(x + y) * r, y + Math.cos(x - y) * r]; } -var streamObjectType = { - Feature: function(object, stream) { - streamGeometry(object.geometry, stream); - }, - FeatureCollection: function(object, stream) { - var features = object.features, i = -1, n = features.length; - while (++i < n) streamGeometry(features[i].geometry, stream); +class Delaunay { + static from(points, fx = pointX, fy = pointY, that) { + return new Delaunay("length" in points + ? flatArray(points, fx, fy, that) + : Float64Array.from(flatIterable(points, fx, fy, that))); } -}; - -var streamGeometryType = { - Sphere: function(object, stream) { - stream.sphere(); - }, - Point: function(object, stream) { - object = object.coordinates; - stream.point(object[0], object[1], object[2]); - }, - MultiPoint: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); - }, - LineString: function(object, stream) { - streamLine(object.coordinates, stream, 0); - }, - MultiLineString: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) streamLine(coordinates[i], stream, 0); - }, - Polygon: function(object, stream) { - streamPolygon(object.coordinates, stream); - }, - MultiPolygon: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) streamPolygon(coordinates[i], stream); - }, - GeometryCollection: function(object, stream) { - var geometries = object.geometries, i = -1, n = geometries.length; - while (++i < n) streamGeometry(geometries[i], stream); + constructor(points) { + this._delaunator = new Delaunator(points); + this.inedges = new Int32Array(points.length / 2); + this._hullIndex = new Int32Array(points.length / 2); + this.points = this._delaunator.coords; + this._init(); } -}; + update() { + this._delaunator.update(); + this._init(); + return this; + } + _init() { + const d = this._delaunator, points = this.points; -function streamLine(coordinates, stream, closed) { - var i = -1, n = coordinates.length - closed, coordinate; - stream.lineStart(); - while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); - stream.lineEnd(); -} - -function streamPolygon(coordinates, stream) { - var i = -1, n = coordinates.length; - stream.polygonStart(); - while (++i < n) streamLine(coordinates[i], stream, 1); - stream.polygonEnd(); -} + // check for collinear + if (d.hull && d.hull.length > 2 && collinear(d)) { + this.collinear = Int32Array.from({length: points.length/2}, (_,i) => i) + .sort((i, j) => points[2 * i] - points[2 * j] || points[2 * i + 1] - points[2 * j + 1]); // for exact neighbors + const e = this.collinear[0], f = this.collinear[this.collinear.length - 1], + bounds = [ points[2 * e], points[2 * e + 1], points[2 * f], points[2 * f + 1] ], + r = 1e-8 * Math.hypot(bounds[3] - bounds[1], bounds[2] - bounds[0]); + for (let i = 0, n = points.length / 2; i < n; ++i) { + const p = jitter(points[2 * i], points[2 * i + 1], r); + points[2 * i] = p[0]; + points[2 * i + 1] = p[1]; + } + this._delaunator = new Delaunator(points); + } else { + delete this.collinear; + } -function geoStream(object, stream) { - if (object && streamObjectType.hasOwnProperty(object.type)) { - streamObjectType[object.type](object, stream); - } else { - streamGeometry(object, stream); - } -} + const halfedges = this.halfedges = this._delaunator.halfedges; + const hull = this.hull = this._delaunator.hull; + const triangles = this.triangles = this._delaunator.triangles; + const inedges = this.inedges.fill(-1); + const hullIndex = this._hullIndex.fill(-1); -var areaRingSum = new d3Array.Adder(); + // Compute an index from each point to an (arbitrary) incoming halfedge + // Used to give the first neighbor of each point; for this reason, + // on the hull we give priority to exterior halfedges + for (let e = 0, n = halfedges.length; e < n; ++e) { + const p = triangles[e % 3 === 2 ? e - 2 : e + 1]; + if (halfedges[e] === -1 || inedges[p] === -1) inedges[p] = e; + } + for (let i = 0, n = hull.length; i < n; ++i) { + hullIndex[hull[i]] = i; + } -// hello? + // degenerate case: 1 or 2 (distinct) points + if (hull.length <= 2 && hull.length > 0) { + this.triangles = new Int32Array(3).fill(-1); + this.halfedges = new Int32Array(3).fill(-1); + this.triangles[0] = hull[0]; + this.triangles[1] = hull[1]; + this.triangles[2] = hull[1]; + inedges[hull[0]] = 1; + if (hull.length === 2) inedges[hull[1]] = 0; + } + } + voronoi(bounds) { + return new Voronoi(this, bounds); + } + *neighbors(i) { + const {inedges, hull, _hullIndex, halfedges, triangles, collinear} = this; -var areaSum = new d3Array.Adder(), - lambda00, - phi00, - lambda0, - cosPhi0, - sinPhi0; + // degenerate case with several collinear points + if (collinear) { + const l = collinear.indexOf(i); + if (l > 0) yield collinear[l - 1]; + if (l < collinear.length - 1) yield collinear[l + 1]; + return; + } -var areaStream = { - point: noop, - lineStart: noop, - lineEnd: noop, - polygonStart: function() { - areaRingSum = new d3Array.Adder(); - areaStream.lineStart = areaRingStart; - areaStream.lineEnd = areaRingEnd; - }, - polygonEnd: function() { - var areaRing = +areaRingSum; - areaSum.add(areaRing < 0 ? tau + areaRing : areaRing); - this.lineStart = this.lineEnd = this.point = noop; - }, - sphere: function() { - areaSum.add(tau); + const e0 = inedges[i]; + if (e0 === -1) return; // coincident point + let e = e0, p0 = -1; + do { + yield p0 = triangles[e]; + e = e % 3 === 2 ? e - 2 : e + 1; + if (triangles[e] !== i) return; // bad triangulation + e = halfedges[e]; + if (e === -1) { + const p = hull[(_hullIndex[i] + 1) % hull.length]; + if (p !== p0) yield p; + return; + } + } while (e !== e0); + } + find(x, y, i = 0) { + if ((x = +x, x !== x) || (y = +y, y !== y)) return -1; + const i0 = i; + let c; + while ((c = this._step(i, x, y)) >= 0 && c !== i && c !== i0) i = c; + return c; + } + _step(i, x, y) { + const {inedges, hull, _hullIndex, halfedges, triangles, points} = this; + if (inedges[i] === -1 || !points.length) return (i + 1) % (points.length >> 1); + let c = i; + let dc = pow(x - points[i * 2], 2) + pow(y - points[i * 2 + 1], 2); + const e0 = inedges[i]; + let e = e0; + do { + let t = triangles[e]; + const dt = pow(x - points[t * 2], 2) + pow(y - points[t * 2 + 1], 2); + if (dt < dc) dc = dt, c = t; + e = e % 3 === 2 ? e - 2 : e + 1; + if (triangles[e] !== i) break; // bad triangulation + e = halfedges[e]; + if (e === -1) { + e = hull[(_hullIndex[i] + 1) % hull.length]; + if (e !== t) { + if (pow(x - points[e * 2], 2) + pow(y - points[e * 2 + 1], 2) < dc) return e; + } + break; + } + } while (e !== e0); + return c; + } + render(context) { + const buffer = context == null ? context = new Path : undefined; + const {points, halfedges, triangles} = this; + for (let i = 0, n = halfedges.length; i < n; ++i) { + const j = halfedges[i]; + if (j < i) continue; + const ti = triangles[i] * 2; + const tj = triangles[j] * 2; + context.moveTo(points[ti], points[ti + 1]); + context.lineTo(points[tj], points[tj + 1]); + } + this.renderHull(context); + return buffer && buffer.value(); + } + renderPoints(context, r = 2) { + const buffer = context == null ? context = new Path : undefined; + const {points} = this; + for (let i = 0, n = points.length; i < n; i += 2) { + const x = points[i], y = points[i + 1]; + context.moveTo(x + r, y); + context.arc(x, y, r, 0, tau); + } + return buffer && buffer.value(); + } + renderHull(context) { + const buffer = context == null ? context = new Path : undefined; + const {hull, points} = this; + const h = hull[0] * 2, n = hull.length; + context.moveTo(points[h], points[h + 1]); + for (let i = 1; i < n; ++i) { + const h = 2 * hull[i]; + context.lineTo(points[h], points[h + 1]); + } + context.closePath(); + return buffer && buffer.value(); + } + hullPolygon() { + const polygon = new Polygon; + this.renderHull(polygon); + return polygon.value(); + } + renderTriangle(i, context) { + const buffer = context == null ? context = new Path : undefined; + const {points, triangles} = this; + const t0 = triangles[i *= 3] * 2; + const t1 = triangles[i + 1] * 2; + const t2 = triangles[i + 2] * 2; + context.moveTo(points[t0], points[t0 + 1]); + context.lineTo(points[t1], points[t1 + 1]); + context.lineTo(points[t2], points[t2 + 1]); + context.closePath(); + return buffer && buffer.value(); + } + *trianglePolygons() { + const {triangles} = this; + for (let i = 0, n = triangles.length / 3; i < n; ++i) { + yield this.trianglePolygon(i); + } + } + trianglePolygon(i) { + const polygon = new Polygon; + this.renderTriangle(i, polygon); + return polygon.value(); } -}; - -function areaRingStart() { - areaStream.point = areaPointFirst; } -function areaRingEnd() { - areaPoint(lambda00, phi00); +function flatArray(points, fx, fy, that) { + const n = points.length; + const array = new Float64Array(n * 2); + for (let i = 0; i < n; ++i) { + const p = points[i]; + array[i * 2] = fx.call(that, p, i, points); + array[i * 2 + 1] = fy.call(that, p, i, points); + } + return array; } -function areaPointFirst(lambda, phi) { - areaStream.point = areaPoint; - lambda00 = lambda, phi00 = phi; - lambda *= radians, phi *= radians; - lambda0 = lambda, cosPhi0 = cos(phi = phi / 2 + quarterPi), sinPhi0 = sin(phi); +function* flatIterable(points, fx, fy, that) { + let i = 0; + for (const p of points) { + yield fx.call(that, p, i, points); + yield fy.call(that, p, i, points); + ++i; + } } -function areaPoint(lambda, phi) { - lambda *= radians, phi *= radians; - phi = phi / 2 + quarterPi; // half the angular distance from south pole +exports.Delaunay = Delaunay; +exports.Voronoi = Voronoi; - // Spherical excess E for a spherical triangle with vertices: south pole, - // previous point, current point. Uses a formula derived from Cagnoli’s - // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). - var dLambda = lambda - lambda0, - sdLambda = dLambda >= 0 ? 1 : -1, - adLambda = sdLambda * dLambda, - cosPhi = cos(phi), - sinPhi = sin(phi), - k = sinPhi0 * sinPhi, - u = cosPhi0 * cosPhi + k * cos(adLambda), - v = k * sdLambda * sin(adLambda); - areaRingSum.add(atan2(v, u)); +Object.defineProperty(exports, '__esModule', { value: true }); - // Advance the previous points. - lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; -} +})); +}); -function area(object) { - areaSum = new d3Array.Adder(); - geoStream(object, areaStream); - return areaSum * 2; -} +var d3Dsv = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-dsv/ v2.0.0 Copyright 2020 Mike Bostock +(function (global, factory) { +factory(exports) ; +}(commonjsGlobal, function (exports) { +var EOL = {}, + EOF = {}, + QUOTE = 34, + NEWLINE = 10, + RETURN = 13; -function spherical(cartesian) { - return [atan2(cartesian[1], cartesian[0]), asin(cartesian[2])]; +function objectConverter(columns) { + return new Function("d", "return {" + columns.map(function(name, i) { + return JSON.stringify(name) + ": d[" + i + "] || \"\""; + }).join(",") + "}"); } -function cartesian(spherical) { - var lambda = spherical[0], phi = spherical[1], cosPhi = cos(phi); - return [cosPhi * cos(lambda), cosPhi * sin(lambda), sin(phi)]; +function customConverter(columns, f) { + var object = objectConverter(columns); + return function(row, i) { + return f(object(row), i, columns); + }; } -function cartesianDot(a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; -} +// Compute unique columns in order of discovery. +function inferColumns(rows) { + var columnSet = Object.create(null), + columns = []; -function cartesianCross(a, b) { - return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]]; + rows.forEach(function(row) { + for (var column in row) { + if (!(column in columnSet)) { + columns.push(columnSet[column] = column); + } + } + }); + + return columns; } -// TODO return a -function cartesianAddInPlace(a, b) { - a[0] += b[0], a[1] += b[1], a[2] += b[2]; +function pad(value, width) { + var s = value + "", length = s.length; + return length < width ? new Array(width - length + 1).join(0) + s : s; } -function cartesianScale(vector, k) { - return [vector[0] * k, vector[1] * k, vector[2] * k]; +function formatYear(year) { + return year < 0 ? "-" + pad(-year, 6) + : year > 9999 ? "+" + pad(year, 6) + : pad(year, 4); } -// TODO return d -function cartesianNormalizeInPlace(d) { - var l = sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); - d[0] /= l, d[1] /= l, d[2] /= l; +function formatDate(date) { + var hours = date.getUTCHours(), + minutes = date.getUTCMinutes(), + seconds = date.getUTCSeconds(), + milliseconds = date.getUTCMilliseconds(); + return isNaN(date) ? "Invalid Date" + : formatYear(date.getUTCFullYear()) + "-" + pad(date.getUTCMonth() + 1, 2) + "-" + pad(date.getUTCDate(), 2) + + (milliseconds ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + ":" + pad(seconds, 2) + "." + pad(milliseconds, 3) + "Z" + : seconds ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + ":" + pad(seconds, 2) + "Z" + : minutes || hours ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + "Z" + : ""); } -var lambda0$1, phi0, lambda1, phi1, // bounds - lambda2, // previous lambda-coordinate - lambda00$1, phi00$1, // first point - p0, // previous 3D point - deltaSum, - ranges, - range; +function dsv(delimiter) { + var reFormat = new RegExp("[\"" + delimiter + "\n\r]"), + DELIMITER = delimiter.charCodeAt(0); -var boundsStream = { - point: boundsPoint, - lineStart: boundsLineStart, - lineEnd: boundsLineEnd, - polygonStart: function() { - boundsStream.point = boundsRingPoint; - boundsStream.lineStart = boundsRingStart; - boundsStream.lineEnd = boundsRingEnd; - deltaSum = new d3Array.Adder(); - areaStream.polygonStart(); - }, - polygonEnd: function() { - areaStream.polygonEnd(); - boundsStream.point = boundsPoint; - boundsStream.lineStart = boundsLineStart; - boundsStream.lineEnd = boundsLineEnd; - if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); - else if (deltaSum > epsilon) phi1 = 90; - else if (deltaSum < -epsilon) phi0 = -90; - range[0] = lambda0$1, range[1] = lambda1; - }, - sphere: function() { - lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); + function parse(text, f) { + var convert, columns, rows = parseRows(text, function(row, i) { + if (convert) return convert(row, i - 1); + columns = row, convert = f ? customConverter(row, f) : objectConverter(row); + }); + rows.columns = columns || []; + return rows; } -}; -function boundsPoint(lambda, phi) { - ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; -} + function parseRows(text, f) { + var rows = [], // output rows + N = text.length, + I = 0, // current character index + n = 0, // current line number + t, // current token + eof = N <= 0, // current token followed by EOF? + eol = false; // current token followed by EOL? -function linePoint(lambda, phi) { - var p = cartesian([lambda * radians, phi * radians]); - if (p0) { - var normal = cartesianCross(p0, p), - equatorial = [normal[1], -normal[0], 0], - inflection = cartesianCross(equatorial, normal); - cartesianNormalizeInPlace(inflection); - inflection = spherical(inflection); - var delta = lambda - lambda2, - sign = delta > 0 ? 1 : -1, - lambdai = inflection[0] * degrees * sign, - phii, - antimeridian = abs(delta) > 180; - if (antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { - phii = inflection[1] * degrees; - if (phii > phi1) phi1 = phii; - } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { - phii = -inflection[1] * degrees; - if (phii < phi0) phi0 = phii; - } else { - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; - } - if (antimeridian) { - if (lambda < lambda2) { - if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; - } else { - if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; + // Strip the trailing newline. + if (text.charCodeAt(N - 1) === NEWLINE) --N; + if (text.charCodeAt(N - 1) === RETURN) --N; + + function token() { + if (eof) return EOF; + if (eol) return eol = false, EOL; + + // Unescape quotes. + var i, j = I, c; + if (text.charCodeAt(j) === QUOTE) { + while (I++ < N && text.charCodeAt(I) !== QUOTE || text.charCodeAt(++I) === QUOTE); + if ((i = I) >= N) eof = true; + else if ((c = text.charCodeAt(I++)) === NEWLINE) eol = true; + else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } + return text.slice(j + 1, i - 1).replace(/""/g, "\""); } - } else { - if (lambda1 >= lambda0$1) { - if (lambda < lambda0$1) lambda0$1 = lambda; - if (lambda > lambda1) lambda1 = lambda; - } else { - if (lambda > lambda2) { - if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; - } else { - if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; - } + + // Find next delimiter or newline. + while (I < N) { + if ((c = text.charCodeAt(i = I++)) === NEWLINE) eol = true; + else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } + else if (c !== DELIMITER) continue; + return text.slice(j, i); } + + // Return last token before EOF. + return eof = true, text.slice(j, N); } - } else { - ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); - } - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; - p0 = p, lambda2 = lambda; -} -function boundsLineStart() { - boundsStream.point = linePoint; -} + while ((t = token()) !== EOF) { + var row = []; + while (t !== EOL && t !== EOF) row.push(t), t = token(); + if (f && (row = f(row, n++)) == null) continue; + rows.push(row); + } -function boundsLineEnd() { - range[0] = lambda0$1, range[1] = lambda1; - boundsStream.point = boundsPoint; - p0 = null; -} + return rows; + } -function boundsRingPoint(lambda, phi) { - if (p0) { - var delta = lambda - lambda2; - deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); - } else { - lambda00$1 = lambda, phi00$1 = phi; + function preformatBody(rows, columns) { + return rows.map(function(row) { + return columns.map(function(column) { + return formatValue(row[column]); + }).join(delimiter); + }); } - areaStream.point(lambda, phi); - linePoint(lambda, phi); -} -function boundsRingStart() { - areaStream.lineStart(); -} + function format(rows, columns) { + if (columns == null) columns = inferColumns(rows); + return [columns.map(formatValue).join(delimiter)].concat(preformatBody(rows, columns)).join("\n"); + } -function boundsRingEnd() { - boundsRingPoint(lambda00$1, phi00$1); - areaStream.lineEnd(); - if (abs(deltaSum) > epsilon) lambda0$1 = -(lambda1 = 180); - range[0] = lambda0$1, range[1] = lambda1; - p0 = null; -} + function formatBody(rows, columns) { + if (columns == null) columns = inferColumns(rows); + return preformatBody(rows, columns).join("\n"); + } -// Finds the left-right distance between two longitudes. -// This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want -// the distance between ±180° to be 360°. -function angle(lambda0, lambda1) { - return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; -} + function formatRows(rows) { + return rows.map(formatRow).join("\n"); + } -function rangeCompare(a, b) { - return a[0] - b[0]; -} + function formatRow(row) { + return row.map(formatValue).join(delimiter); + } -function rangeContains(range, x) { - return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; + function formatValue(value) { + return value == null ? "" + : value instanceof Date ? formatDate(value) + : reFormat.test(value += "") ? "\"" + value.replace(/"/g, "\"\"") + "\"" + : value; + } + + return { + parse: parse, + parseRows: parseRows, + format: format, + formatBody: formatBody, + formatRows: formatRows, + formatRow: formatRow, + formatValue: formatValue + }; } -function bounds(feature) { - var i, n, a, b, merged, deltaMax, delta; +var csv = dsv(","); - phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); - ranges = []; - geoStream(feature, boundsStream); +var csvParse = csv.parse; +var csvParseRows = csv.parseRows; +var csvFormat = csv.format; +var csvFormatBody = csv.formatBody; +var csvFormatRows = csv.formatRows; +var csvFormatRow = csv.formatRow; +var csvFormatValue = csv.formatValue; - // First, sort ranges by their minimum longitudes. - if (n = ranges.length) { - ranges.sort(rangeCompare); +var tsv = dsv("\t"); - // Then, merge any ranges that overlap. - for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { - b = ranges[i]; - if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { - if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; - if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; - } else { - merged.push(a = b); - } - } +var tsvParse = tsv.parse; +var tsvParseRows = tsv.parseRows; +var tsvFormat = tsv.format; +var tsvFormatBody = tsv.formatBody; +var tsvFormatRows = tsv.formatRows; +var tsvFormatRow = tsv.formatRow; +var tsvFormatValue = tsv.formatValue; - // Finally, find the largest gap between the merged ranges. - // The final bounding box will be the inverse of this gap. - for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { - b = merged[i]; - if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; +function autoType(object) { + for (var key in object) { + var value = object[key].trim(), number, m; + if (!value) value = null; + else if (value === "true") value = true; + else if (value === "false") value = false; + else if (value === "NaN") value = NaN; + else if (!isNaN(number = +value)) value = number; + else if (m = value.match(/^([-+]\d{2})?\d{4}(-\d{2}(-\d{2})?)?(T\d{2}:\d{2}(:\d{2}(\.\d{3})?)?(Z|[-+]\d{2}:\d{2})?)?$/)) { + if (fixtz && !!m[4] && !m[7]) value = value.replace(/-/g, "/").replace(/T/, " "); + value = new Date(value); } + else continue; + object[key] = value; } + return object; +} - ranges = range = null; +// https://github.com/d3/d3-dsv/issues/45 +const fixtz = new Date("2019-01-01T00:00").getHours() || new Date("2019-07-01T00:00").getHours(); - return lambda0$1 === Infinity || phi0 === Infinity - ? [[NaN, NaN], [NaN, NaN]] - : [[lambda0$1, phi0], [lambda1, phi1]]; -} +exports.autoType = autoType; +exports.csvFormat = csvFormat; +exports.csvFormatBody = csvFormatBody; +exports.csvFormatRow = csvFormatRow; +exports.csvFormatRows = csvFormatRows; +exports.csvFormatValue = csvFormatValue; +exports.csvParse = csvParse; +exports.csvParseRows = csvParseRows; +exports.dsvFormat = dsv; +exports.tsvFormat = tsvFormat; +exports.tsvFormatBody = tsvFormatBody; +exports.tsvFormatRow = tsvFormatRow; +exports.tsvFormatRows = tsvFormatRows; +exports.tsvFormatValue = tsvFormatValue; +exports.tsvParse = tsvParse; +exports.tsvParseRows = tsvParseRows; -var W0, W1, - X0, Y0, Z0, - X1, Y1, Z1, - X2, Y2, Z2, - lambda00$2, phi00$2, // first point - x0, y0, z0; // previous point +Object.defineProperty(exports, '__esModule', { value: true }); -var centroidStream = { - sphere: noop, - point: centroidPoint, - lineStart: centroidLineStart, - lineEnd: centroidLineEnd, - polygonStart: function() { - centroidStream.lineStart = centroidRingStart; - centroidStream.lineEnd = centroidRingEnd; - }, - polygonEnd: function() { - centroidStream.lineStart = centroidLineStart; - centroidStream.lineEnd = centroidLineEnd; - } -}; +})); +}); -// Arithmetic mean of Cartesian vectors. -function centroidPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos(phi); - centroidPointCartesian(cosPhi * cos(lambda), cosPhi * sin(lambda), sin(phi)); +var d3Fetch = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-fetch/ v2.0.0 Copyright 2020 Mike Bostock +(function (global, factory) { +factory(exports, d3Dsv) ; +}(commonjsGlobal, function (exports, d3Dsv) { +function responseBlob(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + return response.blob(); } -function centroidPointCartesian(x, y, z) { - ++W0; - X0 += (x - X0) / W0; - Y0 += (y - Y0) / W0; - Z0 += (z - Z0) / W0; +function blob(input, init) { + return fetch(input, init).then(responseBlob); } -function centroidLineStart() { - centroidStream.point = centroidLinePointFirst; +function responseArrayBuffer(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + return response.arrayBuffer(); } -function centroidLinePointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos(phi); - x0 = cosPhi * cos(lambda); - y0 = cosPhi * sin(lambda); - z0 = sin(phi); - centroidStream.point = centroidLinePoint; - centroidPointCartesian(x0, y0, z0); +function buffer(input, init) { + return fetch(input, init).then(responseArrayBuffer); } -function centroidLinePoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos(phi), - x = cosPhi * cos(lambda), - y = cosPhi * sin(lambda), - z = sin(phi), - w = atan2(sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); - W1 += w; - X1 += w * (x0 + (x0 = x)); - Y1 += w * (y0 + (y0 = y)); - Z1 += w * (z0 + (z0 = z)); - centroidPointCartesian(x0, y0, z0); +function responseText(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + return response.text(); } -function centroidLineEnd() { - centroidStream.point = centroidPoint; +function text(input, init) { + return fetch(input, init).then(responseText); } -// See J. E. Brock, The Inertia Tensor for a Spherical Triangle, -// J. Applied Mechanics 42, 239 (1975). -function centroidRingStart() { - centroidStream.point = centroidRingPointFirst; +function dsvParse(parse) { + return function(input, init, row) { + if (arguments.length === 2 && typeof init === "function") row = init, init = undefined; + return text(input, init).then(function(response) { + return parse(response, row); + }); + }; } -function centroidRingEnd() { - centroidRingPoint(lambda00$2, phi00$2); - centroidStream.point = centroidPoint; +function dsv(delimiter, input, init, row) { + if (arguments.length === 3 && typeof init === "function") row = init, init = undefined; + var format = d3Dsv.dsvFormat(delimiter); + return text(input, init).then(function(response) { + return format.parse(response, row); + }); } -function centroidRingPointFirst(lambda, phi) { - lambda00$2 = lambda, phi00$2 = phi; - lambda *= radians, phi *= radians; - centroidStream.point = centroidRingPoint; - var cosPhi = cos(phi); - x0 = cosPhi * cos(lambda); - y0 = cosPhi * sin(lambda); - z0 = sin(phi); - centroidPointCartesian(x0, y0, z0); -} +var csv = dsvParse(d3Dsv.csvParse); +var tsv = dsvParse(d3Dsv.tsvParse); -function centroidRingPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos(phi), - x = cosPhi * cos(lambda), - y = cosPhi * sin(lambda), - z = sin(phi), - cx = y0 * z - z0 * y, - cy = z0 * x - x0 * z, - cz = x0 * y - y0 * x, - m = hypot(cx, cy, cz), - w = asin(m), // line weight = angle - v = m && -w / m; // area weight multiplier - X2.add(v * cx); - Y2.add(v * cy); - Z2.add(v * cz); - W1 += w; - X1 += w * (x0 + (x0 = x)); - Y1 += w * (y0 + (y0 = y)); - Z1 += w * (z0 + (z0 = z)); - centroidPointCartesian(x0, y0, z0); +function image(input, init) { + return new Promise(function(resolve, reject) { + var image = new Image; + for (var key in init) image[key] = init[key]; + image.onerror = reject; + image.onload = function() { resolve(image); }; + image.src = input; + }); } -function centroid(object) { - W0 = W1 = - X0 = Y0 = Z0 = - X1 = Y1 = Z1 = 0; - X2 = new d3Array.Adder(); - Y2 = new d3Array.Adder(); - Z2 = new d3Array.Adder(); - geoStream(object, centroidStream); +function responseJson(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + if (response.status === 204 || response.status === 205) return; + return response.json(); +} - var x = +X2, - y = +Y2, - z = +Z2, - m = hypot(x, y, z); +function json(input, init) { + return fetch(input, init).then(responseJson); +} - // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. - if (m < epsilon2) { - x = X1, y = Y1, z = Z1; - // If the feature has zero length, fall back to arithmetic mean of point vectors. - if (W1 < epsilon) x = X0, y = Y0, z = Z0; - m = hypot(x, y, z); - // If the feature still has an undefined ccentroid, then return. - if (m < epsilon2) return [NaN, NaN]; - } - - return [atan2(y, x) * degrees, asin(z / m) * degrees]; -} - -function constant(x) { - return function() { - return x; - }; +function parser(type) { + return (input, init) => text(input, init) + .then(text => (new DOMParser).parseFromString(text, type)); } -function compose(a, b) { +var xml = parser("application/xml"); - function compose(x, y) { - return x = a(x, y), b(x[0], x[1]); - } +var html = parser("text/html"); - if (a.invert && b.invert) compose.invert = function(x, y) { - return x = b.invert(x, y), x && a.invert(x[0], x[1]); - }; +var svg = parser("image/svg+xml"); - return compose; -} +exports.blob = blob; +exports.buffer = buffer; +exports.csv = csv; +exports.dsv = dsv; +exports.html = html; +exports.image = image; +exports.json = json; +exports.svg = svg; +exports.text = text; +exports.tsv = tsv; +exports.xml = xml; -function rotationIdentity(lambda, phi) { - return [abs(lambda) > pi ? lambda + Math.round(-lambda / tau) * tau : lambda, phi]; -} +Object.defineProperty(exports, '__esModule', { value: true }); -rotationIdentity.invert = rotationIdentity; +})); +}); -function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { - return (deltaLambda %= tau) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) - : rotationLambda(deltaLambda)) - : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) - : rotationIdentity); +var d3Quadtree = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-quadtree/ v2.0.0 Copyright 2020 Mike Bostock +(function (global, factory) { +factory(exports) ; +}(commonjsGlobal, function (exports) { +function tree_add(d) { + const x = +this._x.call(null, d), + y = +this._y.call(null, d); + return add(this.cover(x, y), x, y, d); } -function forwardRotationLambda(deltaLambda) { - return function(lambda, phi) { - return lambda += deltaLambda, [lambda > pi ? lambda - tau : lambda < -pi ? lambda + tau : lambda, phi]; - }; -} +function add(tree, x, y, d) { + if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points -function rotationLambda(deltaLambda) { - var rotation = forwardRotationLambda(deltaLambda); - rotation.invert = forwardRotationLambda(-deltaLambda); - return rotation; -} + var parent, + node = tree._root, + leaf = {data: d}, + x0 = tree._x0, + y0 = tree._y0, + x1 = tree._x1, + y1 = tree._y1, + xm, + ym, + xp, + yp, + right, + bottom, + i, + j; -function rotationPhiGamma(deltaPhi, deltaGamma) { - var cosDeltaPhi = cos(deltaPhi), - sinDeltaPhi = sin(deltaPhi), - cosDeltaGamma = cos(deltaGamma), - sinDeltaGamma = sin(deltaGamma); + // If the tree is empty, initialize the root as a leaf. + if (!node) return tree._root = leaf, tree; - function rotation(lambda, phi) { - var cosPhi = cos(phi), - x = cos(lambda) * cosPhi, - y = sin(lambda) * cosPhi, - z = sin(phi), - k = z * cosDeltaPhi + x * sinDeltaPhi; - return [ - atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), - asin(k * cosDeltaGamma + y * sinDeltaGamma) - ]; + // Find the existing leaf for the new point, or add it. + while (node.length) { + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; } - rotation.invert = function(lambda, phi) { - var cosPhi = cos(phi), - x = cos(lambda) * cosPhi, - y = sin(lambda) * cosPhi, - z = sin(phi), - k = z * cosDeltaGamma - y * sinDeltaGamma; - return [ - atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), - asin(k * cosDeltaPhi - x * sinDeltaPhi) - ]; - }; + // Is the new point is exactly coincident with the existing point? + xp = +tree._x.call(null, node.data); + yp = +tree._y.call(null, node.data); + if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; - return rotation; + // Otherwise, split the leaf node until the old and new point are separated. + do { + parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); + return parent[j] = node, parent[i] = leaf, tree; } -function rotation(rotate) { - rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); +function addAll(data) { + var d, i, n = data.length, + x, + y, + xz = new Array(n), + yz = new Array(n), + x0 = Infinity, + y0 = Infinity, + x1 = -Infinity, + y1 = -Infinity; - function forward(coordinates) { - coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); - return coordinates[0] *= degrees, coordinates[1] *= degrees, coordinates; + // Compute the points and their extent. + for (i = 0; i < n; ++i) { + if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; + xz[i] = x; + yz[i] = y; + if (x < x0) x0 = x; + if (x > x1) x1 = x; + if (y < y0) y0 = y; + if (y > y1) y1 = y; } - forward.invert = function(coordinates) { - coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); - return coordinates[0] *= degrees, coordinates[1] *= degrees, coordinates; - }; + // If there were no (valid) points, abort. + if (x0 > x1 || y0 > y1) return this; - return forward; -} + // Expand the tree to cover the new points. + this.cover(x0, y0).cover(x1, y1); -// Generates a circle centered at [0°, 0°], with a given radius and precision. -function circleStream(stream, radius, delta, direction, t0, t1) { - if (!delta) return; - var cosRadius = cos(radius), - sinRadius = sin(radius), - step = direction * delta; - if (t0 == null) { - t0 = radius + direction * tau; - t1 = radius - step / 2; - } else { - t0 = circleRadius(cosRadius, t0); - t1 = circleRadius(cosRadius, t1); - if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau; - } - for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { - point = spherical([cosRadius, -sinRadius * cos(t), -sinRadius * sin(t)]); - stream.point(point[0], point[1]); + // Add the new points. + for (i = 0; i < n; ++i) { + add(this, xz[i], yz[i], data[i]); } -} -// Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. -function circleRadius(cosRadius, point) { - point = cartesian(point), point[0] -= cosRadius; - cartesianNormalizeInPlace(point); - var radius = acos(-point[1]); - return ((-point[2] < 0 ? -radius : radius) + tau - epsilon) % tau; + return this; } -function circle() { - var center = constant([0, 0]), - radius = constant(90), - precision = constant(6), - ring, - rotate, - stream = {point: point}; +function tree_cover(x, y) { + if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points - function point(x, y) { - ring.push(x = rotate(x, y)); - x[0] *= degrees, x[1] *= degrees; - } + var x0 = this._x0, + y0 = this._y0, + x1 = this._x1, + y1 = this._y1; - function circle() { - var c = center.apply(this, arguments), - r = radius.apply(this, arguments) * radians, - p = precision.apply(this, arguments) * radians; - ring = []; - rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; - circleStream(stream, r, p, 1); - c = {type: "Polygon", coordinates: [ring]}; - ring = rotate = null; - return c; + // If the quadtree has no extent, initialize them. + // Integer extent are necessary so that if we later double the extent, + // the existing quadrant boundaries don’t change due to floating point error! + if (isNaN(x0)) { + x1 = (x0 = Math.floor(x)) + 1; + y1 = (y0 = Math.floor(y)) + 1; } - circle.center = function(_) { - return arguments.length ? (center = typeof _ === "function" ? _ : constant([+_[0], +_[1]]), circle) : center; - }; + // Otherwise, double repeatedly to cover. + else { + var z = x1 - x0 || 1, + node = this._root, + parent, + i; - circle.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant(+_), circle) : radius; - }; + while (x0 > x || x >= x1 || y0 > y || y >= y1) { + i = (y < y0) << 1 | (x < x0); + parent = new Array(4), parent[i] = node, node = parent, z *= 2; + switch (i) { + case 0: x1 = x0 + z, y1 = y0 + z; break; + case 1: x0 = x1 - z, y1 = y0 + z; break; + case 2: x1 = x0 + z, y0 = y1 - z; break; + case 3: x0 = x1 - z, y0 = y1 - z; break; + } + } - circle.precision = function(_) { - return arguments.length ? (precision = typeof _ === "function" ? _ : constant(+_), circle) : precision; - }; + if (this._root && this._root.length) this._root = node; + } - return circle; + this._x0 = x0; + this._y0 = y0; + this._x1 = x1; + this._y1 = y1; + return this; } -function clipBuffer() { - var lines = [], - line; - return { - point: function(x, y, m) { - line.push([x, y, m]); - }, - lineStart: function() { - lines.push(line = []); - }, - lineEnd: noop, - rejoin: function() { - if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); - }, - result: function() { - var result = lines; - lines = []; - line = null; - return result; - } - }; +function tree_data() { + var data = []; + this.visit(function(node) { + if (!node.length) do data.push(node.data); while (node = node.next) + }); + return data; } -function pointEqual(a, b) { - return abs(a[0] - b[0]) < epsilon && abs(a[1] - b[1]) < epsilon; +function tree_extent(_) { + return arguments.length + ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) + : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; } -function Intersection(point, points, other, entry) { - this.x = point; - this.z = points; - this.o = other; // another intersection - this.e = entry; // is an entry? - this.v = false; // visited - this.n = this.p = null; // next & previous +function Quad(node, x0, y0, x1, y1) { + this.node = node; + this.x0 = x0; + this.y0 = y0; + this.x1 = x1; + this.y1 = y1; } -// A generalized polygon clipping algorithm: given a polygon that has been cut -// into its visible line segments, and rejoins the segments by interpolating -// along the clip edge. -function clipRejoin(segments, compareIntersection, startInside, interpolate, stream) { - var subject = [], - clip = [], - i, - n; +function tree_find(x, y, radius) { + var data, + x0 = this._x0, + y0 = this._y0, + x1, + y1, + x2, + y2, + x3 = this._x1, + y3 = this._y1, + quads = [], + node = this._root, + q, + i; - segments.forEach(function(segment) { - if ((n = segment.length - 1) <= 0) return; - var n, p0 = segment[0], p1 = segment[n], x; + if (node) quads.push(new Quad(node, x0, y0, x3, y3)); + if (radius == null) radius = Infinity; + else { + x0 = x - radius, y0 = y - radius; + x3 = x + radius, y3 = y + radius; + radius *= radius; + } - if (pointEqual(p0, p1)) { - if (!p0[2] && !p1[2]) { - stream.lineStart(); - for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); - stream.lineEnd(); - return; + while (q = quads.pop()) { + + // Stop searching if this quadrant can’t contain a closer node. + if (!(node = q.node) + || (x1 = q.x0) > x3 + || (y1 = q.y0) > y3 + || (x2 = q.x1) < x0 + || (y2 = q.y1) < y0) continue; + + // Bisect the current quadrant. + if (node.length) { + var xm = (x1 + x2) / 2, + ym = (y1 + y2) / 2; + + quads.push( + new Quad(node[3], xm, ym, x2, y2), + new Quad(node[2], x1, ym, xm, y2), + new Quad(node[1], xm, y1, x2, ym), + new Quad(node[0], x1, y1, xm, ym) + ); + + // Visit the closest quadrant first. + if (i = (y >= ym) << 1 | (x >= xm)) { + q = quads[quads.length - 1]; + quads[quads.length - 1] = quads[quads.length - 1 - i]; + quads[quads.length - 1 - i] = q; } - // handle degenerate cases by moving the point - p1[0] += 2 * epsilon; } - subject.push(x = new Intersection(p0, segment, null, true)); - clip.push(x.o = new Intersection(p0, null, x, false)); - subject.push(x = new Intersection(p1, segment, null, false)); - clip.push(x.o = new Intersection(p1, null, x, true)); - }); + // Visit this point. (Visiting coincident points isn’t necessary!) + else { + var dx = x - +this._x.call(null, node.data), + dy = y - +this._y.call(null, node.data), + d2 = dx * dx + dy * dy; + if (d2 < radius) { + var d = Math.sqrt(radius = d2); + x0 = x - d, y0 = y - d; + x3 = x + d, y3 = y + d; + data = node.data; + } + } + } - if (!subject.length) return; + return data; +} - clip.sort(compareIntersection); - link(subject); - link(clip); +function tree_remove(d) { + if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points - for (i = 0, n = clip.length; i < n; ++i) { - clip[i].e = startInside = !startInside; + var parent, + node = this._root, + retainer, + previous, + next, + x0 = this._x0, + y0 = this._y0, + x1 = this._x1, + y1 = this._y1, + x, + y, + xm, + ym, + right, + bottom, + i, + j; + + // If the tree is empty, initialize the root as a leaf. + if (!node) return this; + + // Find the leaf node for the point. + // While descending, also retain the deepest parent with a non-removed sibling. + if (node.length) while (true) { + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + if (!(parent = node, node = node[i = bottom << 1 | right])) return this; + if (!node.length) break; + if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; } - var start = subject[0], - points, - point; + // Find the point to remove. + while (node.data !== d) if (!(previous = node, node = node.next)) return this; + if (next = node.next) delete node.next; - while (1) { - // Find first unvisited intersection. - var current = start, - isSubject = true; - while (current.v) if ((current = current.n) === start) return; - points = current.z; - stream.lineStart(); - do { - current.v = current.o.v = true; - if (current.e) { - if (isSubject) { - for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.n.x, 1, stream); - } - current = current.n; - } else { - if (isSubject) { - points = current.p.z; - for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.p.x, -1, stream); - } - current = current.p; - } - current = current.o; - points = current.z; - isSubject = !isSubject; - } while (!current.v); - stream.lineEnd(); + // If there are multiple coincident points, remove just the point. + if (previous) return (next ? previous.next = next : delete previous.next), this; + + // If this is the root point, remove it. + if (!parent) return this._root = next, this; + + // Remove this leaf. + next ? parent[i] = next : delete parent[i]; + + // If the parent now contains exactly one leaf, collapse superfluous parents. + if ((node = parent[0] || parent[1] || parent[2] || parent[3]) + && node === (parent[3] || parent[2] || parent[1] || parent[0]) + && !node.length) { + if (retainer) retainer[j] = node; + else this._root = node; } + + return this; } -function link(array) { - if (!(n = array.length)) return; - var n, - i = 0, - a = array[0], - b; - while (++i < n) { - a.n = b = array[i]; - b.p = a; - a = b; - } - a.n = b = array[0]; - b.p = a; +function removeAll(data) { + for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); + return this; } -function longitude(point) { - if (abs(point[0]) <= pi) - return point[0]; - else - return sign(point[0]) * ((abs(point[0]) + pi) % tau - pi); +function tree_root() { + return this._root; } -function polygonContains(polygon, point) { - var lambda = longitude(point), - phi = point[1], - sinPhi = sin(phi), - normal = [sin(lambda), -cos(lambda), 0], - angle = 0, - winding = 0; - - var sum = new d3Array.Adder(); - - if (sinPhi === 1) phi = halfPi + epsilon; - else if (sinPhi === -1) phi = -halfPi - epsilon; - - for (var i = 0, n = polygon.length; i < n; ++i) { - if (!(m = (ring = polygon[i]).length)) continue; - var ring, - m, - point0 = ring[m - 1], - lambda0 = longitude(point0), - phi0 = point0[1] / 2 + quarterPi, - sinPhi0 = sin(phi0), - cosPhi0 = cos(phi0); - - for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { - var point1 = ring[j], - lambda1 = longitude(point1), - phi1 = point1[1] / 2 + quarterPi, - sinPhi1 = sin(phi1), - cosPhi1 = cos(phi1), - delta = lambda1 - lambda0, - sign = delta >= 0 ? 1 : -1, - absDelta = sign * delta, - antimeridian = absDelta > pi, - k = sinPhi0 * sinPhi1; +function tree_size() { + var size = 0; + this.visit(function(node) { + if (!node.length) do ++size; while (node = node.next) + }); + return size; +} - sum.add(atan2(k * sign * sin(absDelta), cosPhi0 * cosPhi1 + k * cos(absDelta))); - angle += antimeridian ? delta + sign * tau : delta; +function tree_visit(callback) { + var quads = [], q, node = this._root, child, x0, y0, x1, y1; + if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); + while (q = quads.pop()) { + if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { + var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; + if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); + if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); + if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); + if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); + } + } + return this; +} - // Are the longitudes either side of the point’s meridian (lambda), - // and are the latitudes smaller than the parallel (phi)? - if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { - var arc = cartesianCross(cartesian(point0), cartesian(point1)); - cartesianNormalizeInPlace(arc); - var intersection = cartesianCross(normal, arc); - cartesianNormalizeInPlace(intersection); - var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin(intersection[2]); - if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { - winding += antimeridian ^ delta >= 0 ? 1 : -1; - } - } +function tree_visitAfter(callback) { + var quads = [], next = [], q; + if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); + while (q = quads.pop()) { + var node = q.node; + if (node.length) { + var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; + if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); + if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); + if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); + if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); } + next.push(q); + } + while (q = next.pop()) { + callback(q.node, q.x0, q.y0, q.x1, q.y1); } + return this; +} - // First, determine whether the South pole is inside or outside: - // - // It is inside if: - // * the polygon winds around it in a clockwise direction. - // * the polygon does not (cumulatively) wind around it, but has a negative - // (counter-clockwise) area. - // - // Second, count the (signed) number of times a segment crosses a lambda - // from the point to the South pole. If it is zero, then the point is the - // same side as the South pole. +function defaultX(d) { + return d[0]; +} - return (angle < -epsilon || angle < epsilon && sum < -epsilon2) ^ (winding & 1); +function tree_x(_) { + return arguments.length ? (this._x = _, this) : this._x; } -function clip(pointVisible, clipLine, interpolate, start) { - return function(sink) { - var line = clipLine(sink), - ringBuffer = clipBuffer(), - ringSink = clipLine(ringBuffer), - polygonStarted = false, - polygon, - segments, - ring; +function defaultY(d) { + return d[1]; +} - var clip = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - clip.point = pointRing; - clip.lineStart = ringStart; - clip.lineEnd = ringEnd; - segments = []; - polygon = []; - }, - polygonEnd: function() { - clip.point = point; - clip.lineStart = lineStart; - clip.lineEnd = lineEnd; - segments = d3Array.merge(segments); - var startInside = polygonContains(polygon, start); - if (segments.length) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - clipRejoin(segments, compareIntersection, startInside, interpolate, sink); - } else if (startInside) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - } - if (polygonStarted) sink.polygonEnd(), polygonStarted = false; - segments = polygon = null; - }, - sphere: function() { - sink.polygonStart(); - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - sink.polygonEnd(); - } - }; +function tree_y(_) { + return arguments.length ? (this._y = _, this) : this._y; +} - function point(lambda, phi) { - if (pointVisible(lambda, phi)) sink.point(lambda, phi); - } +function quadtree(nodes, x, y) { + var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); + return nodes == null ? tree : tree.addAll(nodes); +} - function pointLine(lambda, phi) { - line.point(lambda, phi); - } +function Quadtree(x, y, x0, y0, x1, y1) { + this._x = x; + this._y = y; + this._x0 = x0; + this._y0 = y0; + this._x1 = x1; + this._y1 = y1; + this._root = undefined; +} - function lineStart() { - clip.point = pointLine; - line.lineStart(); - } +function leaf_copy(leaf) { + var copy = {data: leaf.data}, next = copy; + while (leaf = leaf.next) next = next.next = {data: leaf.data}; + return copy; +} - function lineEnd() { - clip.point = point; - line.lineEnd(); - } +var treeProto = quadtree.prototype = Quadtree.prototype; - function pointRing(lambda, phi) { - ring.push([lambda, phi]); - ringSink.point(lambda, phi); - } +treeProto.copy = function() { + var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), + node = this._root, + nodes, + child; - function ringStart() { - ringSink.lineStart(); - ring = []; - } + if (!node) return copy; - function ringEnd() { - pointRing(ring[0][0], ring[0][1]); - ringSink.lineEnd(); + if (!node.length) return copy._root = leaf_copy(node), copy; - var clean = ringSink.clean(), - ringSegments = ringBuffer.result(), - i, n = ringSegments.length, m, - segment, - point; + nodes = [{source: node, target: copy._root = new Array(4)}]; + while (node = nodes.pop()) { + for (var i = 0; i < 4; ++i) { + if (child = node.source[i]) { + if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); + else node.target[i] = leaf_copy(child); + } + } + } - ring.pop(); - polygon.push(ring); - ring = null; + return copy; +}; - if (!n) return; +treeProto.add = tree_add; +treeProto.addAll = addAll; +treeProto.cover = tree_cover; +treeProto.data = tree_data; +treeProto.extent = tree_extent; +treeProto.find = tree_find; +treeProto.remove = tree_remove; +treeProto.removeAll = removeAll; +treeProto.root = tree_root; +treeProto.size = tree_size; +treeProto.visit = tree_visit; +treeProto.visitAfter = tree_visitAfter; +treeProto.x = tree_x; +treeProto.y = tree_y; - // No intersections. - if (clean & 1) { - segment = ringSegments[0]; - if ((m = segment.length - 1) > 0) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); - sink.lineEnd(); - } - return; - } +exports.quadtree = quadtree; - // Rejoin connected segments. - // TODO reuse ringBuffer.rejoin()? - if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); +Object.defineProperty(exports, '__esModule', { value: true }); - segments.push(ringSegments.filter(validSegment)); - } +})); +}); - return clip; +var d3Force = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-force/ v2.1.1 Copyright 2020 Mike Bostock +(function (global, factory) { +factory(exports, d3Quadtree, d3Dispatch, d3Timer) ; +}(commonjsGlobal, function (exports, d3Quadtree, d3Dispatch, d3Timer) { +function center(x, y) { + var nodes, strength = 1; + + if (x == null) x = 0; + if (y == null) y = 0; + + function force() { + var i, + n = nodes.length, + node, + sx = 0, + sy = 0; + + for (i = 0; i < n; ++i) { + node = nodes[i], sx += node.x, sy += node.y; + } + + for (sx = (sx / n - x) * strength, sy = (sy / n - y) * strength, i = 0; i < n; ++i) { + node = nodes[i], node.x -= sx, node.y -= sy; + } + } + + force.initialize = function(_) { + nodes = _; + }; + + force.x = function(_) { + return arguments.length ? (x = +_, force) : x; + }; + + force.y = function(_) { + return arguments.length ? (y = +_, force) : y; + }; + + force.strength = function(_) { + return arguments.length ? (strength = +_, force) : strength; }; + + return force; } -function validSegment(segment) { - return segment.length > 1; +function constant(x) { + return function() { + return x; + }; } -// Intersections are sorted along the clip edge. For both antimeridian cutting -// and circle clipping, the same comparison is used. -function compareIntersection(a, b) { - return ((a = a.x)[0] < 0 ? a[1] - halfPi - epsilon : halfPi - a[1]) - - ((b = b.x)[0] < 0 ? b[1] - halfPi - epsilon : halfPi - b[1]); +function jiggle(random) { + return (random() - 0.5) * 1e-6; } -var clipAntimeridian = clip( - function() { return true; }, - clipAntimeridianLine, - clipAntimeridianInterpolate, - [-pi, -halfPi] -); +function x(d) { + return d.x + d.vx; +} -// Takes a line and cuts into visible segments. Return values: 0 - there were -// intersections or the line was empty; 1 - no intersections; 2 - there were -// intersections, and the first and last segments should be rejoined. -function clipAntimeridianLine(stream) { - var lambda0 = NaN, - phi0 = NaN, - sign0 = NaN, - clean; // no intersections +function y(d) { + return d.y + d.vy; +} - return { - lineStart: function() { - stream.lineStart(); - clean = 1; - }, - point: function(lambda1, phi1) { - var sign1 = lambda1 > 0 ? pi : -pi, - delta = abs(lambda1 - lambda0); - if (abs(delta - pi) < epsilon) { // line crosses a pole - stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi : -halfPi); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - stream.point(lambda1, phi0); - clean = 0; - } else if (sign0 !== sign1 && delta >= pi) { // line crosses antimeridian - if (abs(lambda0 - sign0) < epsilon) lambda0 -= sign0 * epsilon; // handle degeneracies - if (abs(lambda1 - sign1) < epsilon) lambda1 -= sign1 * epsilon; - phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - clean = 0; +function collide(radius) { + var nodes, + radii, + random, + strength = 1, + iterations = 1; + + if (typeof radius !== "function") radius = constant(radius == null ? 1 : +radius); + + function force() { + var i, n = nodes.length, + tree, + node, + xi, + yi, + ri, + ri2; + + for (var k = 0; k < iterations; ++k) { + tree = d3Quadtree.quadtree(nodes, x, y).visitAfter(prepare); + for (i = 0; i < n; ++i) { + node = nodes[i]; + ri = radii[node.index], ri2 = ri * ri; + xi = node.x + node.vx; + yi = node.y + node.vy; + tree.visit(apply); + } + } + + function apply(quad, x0, y0, x1, y1) { + var data = quad.data, rj = quad.r, r = ri + rj; + if (data) { + if (data.index > node.index) { + var x = xi - data.x - data.vx, + y = yi - data.y - data.vy, + l = x * x + y * y; + if (l < r * r) { + if (x === 0) x = jiggle(random), l += x * x; + if (y === 0) y = jiggle(random), l += y * y; + l = (r - (l = Math.sqrt(l))) / l * strength; + node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); + node.vy += (y *= l) * r; + data.vx -= x * (r = 1 - r); + data.vy -= y * r; + } + } + return; + } + return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; + } + } + + function prepare(quad) { + if (quad.data) return quad.r = radii[quad.data.index]; + for (var i = quad.r = 0; i < 4; ++i) { + if (quad[i] && quad[i].r > quad.r) { + quad.r = quad[i].r; } - stream.point(lambda0 = lambda1, phi0 = phi1); - sign0 = sign1; - }, - lineEnd: function() { - stream.lineEnd(); - lambda0 = phi0 = NaN; - }, - clean: function() { - return 2 - clean; // if intersections, rejoin first and last segments } + } + + function initialize() { + if (!nodes) return; + var i, n = nodes.length, node; + radii = new Array(n); + for (i = 0; i < n; ++i) node = nodes[i], radii[node.index] = +radius(node, i, nodes); + } + + force.initialize = function(_nodes, _random) { + nodes = _nodes; + random = _random; + initialize(); + }; + + force.iterations = function(_) { + return arguments.length ? (iterations = +_, force) : iterations; + }; + + force.strength = function(_) { + return arguments.length ? (strength = +_, force) : strength; + }; + + force.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant(+_), initialize(), force) : radius; }; + + return force; } -function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { - var cosPhi0, - cosPhi1, - sinLambda0Lambda1 = sin(lambda0 - lambda1); - return abs(sinLambda0Lambda1) > epsilon - ? atan((sin(phi0) * (cosPhi1 = cos(phi1)) * sin(lambda1) - - sin(phi1) * (cosPhi0 = cos(phi0)) * sin(lambda0)) - / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) - : (phi0 + phi1) / 2; +function index(d) { + return d.index; } -function clipAntimeridianInterpolate(from, to, direction, stream) { - var phi; - if (from == null) { - phi = direction * halfPi; - stream.point(-pi, phi); - stream.point(0, phi); - stream.point(pi, phi); - stream.point(pi, 0); - stream.point(pi, -phi); - stream.point(0, -phi); - stream.point(-pi, -phi); - stream.point(-pi, 0); - stream.point(-pi, phi); - } else if (abs(from[0] - to[0]) > epsilon) { - var lambda = from[0] < to[0] ? pi : -pi; - phi = direction * lambda / 2; - stream.point(-lambda, phi); - stream.point(0, phi); - stream.point(lambda, phi); - } else { - stream.point(to[0], to[1]); - } +function find(nodeById, nodeId) { + var node = nodeById.get(nodeId); + if (!node) throw new Error("node not found: " + nodeId); + return node; } -function clipCircle(radius) { - var cr = cos(radius), - delta = 6 * radians, - smallRadius = cr > 0, - notHemisphere = abs(cr) > epsilon; // TODO optimise for this common case +function link(links) { + var id = index, + strength = defaultStrength, + strengths, + distance = constant(30), + distances, + nodes, + count, + bias, + random, + iterations = 1; - function interpolate(from, to, direction, stream) { - circleStream(stream, radius, delta, direction, from, to); - } + if (links == null) links = []; - function visible(lambda, phi) { - return cos(lambda) * cos(phi) > cr; + function defaultStrength(link) { + return 1 / Math.min(count[link.source.index], count[link.target.index]); } - // Takes a line and cuts into visible segments. Return values used for polygon - // clipping: 0 - there were intersections or the line was empty; 1 - no - // intersections 2 - there were intersections, and the first and last segments - // should be rejoined. - function clipLine(stream) { - var point0, // previous point - c0, // code for previous point - v0, // visibility of previous point - v00, // visibility of first point - clean; // no intersections - return { - lineStart: function() { - v00 = v0 = false; - clean = 1; - }, - point: function(lambda, phi) { - var point1 = [lambda, phi], - point2, - v = visible(lambda, phi), - c = smallRadius - ? v ? 0 : code(lambda, phi) - : v ? code(lambda + (lambda < 0 ? pi : -pi), phi) : 0; - if (!point0 && (v00 = v0 = v)) stream.lineStart(); - if (v !== v0) { - point2 = intersect(point0, point1); - if (!point2 || pointEqual(point0, point2) || pointEqual(point1, point2)) - point1[2] = 1; - } - if (v !== v0) { - clean = 0; - if (v) { - // outside going in - stream.lineStart(); - point2 = intersect(point1, point0); - stream.point(point2[0], point2[1]); - } else { - // inside going out - point2 = intersect(point0, point1); - stream.point(point2[0], point2[1], 2); - stream.lineEnd(); - } - point0 = point2; - } else if (notHemisphere && point0 && smallRadius ^ v) { - var t; - // If the codes for two points are different, or are both zero, - // and there this segment intersects with the small circle. - if (!(c & c0) && (t = intersect(point1, point0, true))) { - clean = 0; - if (smallRadius) { - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - } else { - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - stream.lineStart(); - stream.point(t[0][0], t[0][1], 3); - } - } - } - if (v && (!point0 || !pointEqual(point0, point1))) { - stream.point(point1[0], point1[1]); - } - point0 = point1, v0 = v, c0 = c; - }, - lineEnd: function() { - if (v0) stream.lineEnd(); - point0 = null; - }, - // Rejoin first and last segments if there were intersections and the first - // and last points were visible. - clean: function() { - return clean | ((v00 && v0) << 1); + function force(alpha) { + for (var k = 0, n = links.length; k < iterations; ++k) { + for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { + link = links[i], source = link.source, target = link.target; + x = target.x + target.vx - source.x - source.vx || jiggle(random); + y = target.y + target.vy - source.y - source.vy || jiggle(random); + l = Math.sqrt(x * x + y * y); + l = (l - distances[i]) / l * alpha * strengths[i]; + x *= l, y *= l; + target.vx -= x * (b = bias[i]); + target.vy -= y * b; + source.vx += x * (b = 1 - b); + source.vy += y * b; } - }; + } } - // Intersects the great circle between a and b with the clip circle. - function intersect(a, b, two) { - var pa = cartesian(a), - pb = cartesian(b); + function initialize() { + if (!nodes) return; - // We have two planes, n1.p = d1 and n2.p = d2. - // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). - var n1 = [1, 0, 0], // normal - n2 = cartesianCross(pa, pb), - n2n2 = cartesianDot(n2, n2), - n1n2 = n2[0], // cartesianDot(n1, n2), - determinant = n2n2 - n1n2 * n1n2; + var i, + n = nodes.length, + m = links.length, + nodeById = new Map(nodes.map((d, i) => [id(d, i, nodes), d])), + link; - // Two polar points. - if (!determinant) return !two && a; + for (i = 0, count = new Array(n); i < m; ++i) { + link = links[i], link.index = i; + if (typeof link.source !== "object") link.source = find(nodeById, link.source); + if (typeof link.target !== "object") link.target = find(nodeById, link.target); + count[link.source.index] = (count[link.source.index] || 0) + 1; + count[link.target.index] = (count[link.target.index] || 0) + 1; + } - var c1 = cr * n2n2 / determinant, - c2 = -cr * n1n2 / determinant, - n1xn2 = cartesianCross(n1, n2), - A = cartesianScale(n1, c1), - B = cartesianScale(n2, c2); - cartesianAddInPlace(A, B); + for (i = 0, bias = new Array(m); i < m; ++i) { + link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); + } - // Solve |p(t)|^2 = 1. - var u = n1xn2, - w = cartesianDot(A, u), - uu = cartesianDot(u, u), - t2 = w * w - uu * (cartesianDot(A, A) - 1); + strengths = new Array(m), initializeStrength(); + distances = new Array(m), initializeDistance(); + } - if (t2 < 0) return; + function initializeStrength() { + if (!nodes) return; - var t = sqrt(t2), - q = cartesianScale(u, (-w - t) / uu); - cartesianAddInPlace(q, A); - q = spherical(q); + for (var i = 0, n = links.length; i < n; ++i) { + strengths[i] = +strength(links[i], i, links); + } + } - if (!two) return q; + function initializeDistance() { + if (!nodes) return; - // Two intersection points. - var lambda0 = a[0], - lambda1 = b[0], - phi0 = a[1], - phi1 = b[1], - z; + for (var i = 0, n = links.length; i < n; ++i) { + distances[i] = +distance(links[i], i, links); + } + } - if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; + force.initialize = function(_nodes, _random) { + nodes = _nodes; + random = _random; + initialize(); + }; - var delta = lambda1 - lambda0, - polar = abs(delta - pi) < epsilon, - meridian = polar || delta < epsilon; + force.links = function(_) { + return arguments.length ? (links = _, initialize(), force) : links; + }; - if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; + force.id = function(_) { + return arguments.length ? (id = _, force) : id; + }; - // Check that the first point is between a and b. - if (meridian - ? polar - ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon ? phi0 : phi1) - : phi0 <= q[1] && q[1] <= phi1 - : delta > pi ^ (lambda0 <= q[0] && q[0] <= lambda1)) { - var q1 = cartesianScale(u, (-w + t) / uu); - cartesianAddInPlace(q1, A); - return [q, spherical(q1)]; - } - } + force.iterations = function(_) { + return arguments.length ? (iterations = +_, force) : iterations; + }; - // Generates a 4-bit vector representing the location of a point relative to - // the small circle's bounding box. - function code(lambda, phi) { - var r = smallRadius ? radius : pi - radius, - code = 0; - if (lambda < -r) code |= 1; // left - else if (lambda > r) code |= 2; // right - if (phi < -r) code |= 4; // below - else if (phi > r) code |= 8; // above - return code; - } + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant(+_), initializeStrength(), force) : strength; + }; - return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi, radius - pi]); + force.distance = function(_) { + return arguments.length ? (distance = typeof _ === "function" ? _ : constant(+_), initializeDistance(), force) : distance; + }; + + return force; } -function clipLine(a, b, x0, y0, x1, y1) { - var ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; +// https://en.wikipedia.org/wiki/Linear_congruential_generator#Parameters_in_common_use +const a = 1664525; +const c = 1013904223; +const m = 4294967296; // 2^32 - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } +function lcg() { + let s = 1; + return () => (s = (a * s + c) % m) / m; +} - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } +function x$1(d) { + return d.x; +} - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } +function y$1(d) { + return d.y; +} - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; +var initialRadius = 10, + initialAngle = Math.PI * (3 - Math.sqrt(5)); + +function simulation(nodes) { + var simulation, + alpha = 1, + alphaMin = 0.001, + alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), + alphaTarget = 0, + velocityDecay = 0.6, + forces = new Map(), + stepper = d3Timer.timer(step), + event = d3Dispatch.dispatch("tick", "end"), + random = lcg(); + + if (nodes == null) nodes = []; + + function step() { + tick(); + event.call("tick", simulation); + if (alpha < alphaMin) { + stepper.stop(); + event.call("end", simulation); + } } - if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; - if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; - return true; -} + function tick(iterations) { + var i, n = nodes.length, node; -var clipMax = 1e9, clipMin = -clipMax; + if (iterations === undefined) iterations = 1; -// TODO Use d3-polygon’s polygonContains here for the ring check? -// TODO Eliminate duplicate buffering in clipBuffer and polygon.push? + for (var k = 0; k < iterations; ++k) { + alpha += (alphaTarget - alpha) * alphaDecay; -function clipRectangle(x0, y0, x1, y1) { + forces.forEach(function(force) { + force(alpha); + }); - function visible(x, y) { - return x0 <= x && x <= x1 && y0 <= y && y <= y1; + for (i = 0; i < n; ++i) { + node = nodes[i]; + if (node.fx == null) node.x += node.vx *= velocityDecay; + else node.x = node.fx, node.vx = 0; + if (node.fy == null) node.y += node.vy *= velocityDecay; + else node.y = node.fy, node.vy = 0; + } + } + + return simulation; } - function interpolate(from, to, direction, stream) { - var a = 0, a1 = 0; - if (from == null - || (a = corner(from, direction)) !== (a1 = corner(to, direction)) - || comparePoint(from, to) < 0 ^ direction > 0) { - do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); - while ((a = (a + direction + 4) % 4) !== a1); - } else { - stream.point(to[0], to[1]); + function initializeNodes() { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.index = i; + if (node.fx != null) node.x = node.fx; + if (node.fy != null) node.y = node.fy; + if (isNaN(node.x) || isNaN(node.y)) { + var radius = initialRadius * Math.sqrt(0.5 + i), angle = i * initialAngle; + node.x = radius * Math.cos(angle); + node.y = radius * Math.sin(angle); + } + if (isNaN(node.vx) || isNaN(node.vy)) { + node.vx = node.vy = 0; + } } } - function corner(p, direction) { - return abs(p[0] - x0) < epsilon ? direction > 0 ? 0 : 3 - : abs(p[0] - x1) < epsilon ? direction > 0 ? 2 : 1 - : abs(p[1] - y0) < epsilon ? direction > 0 ? 1 : 0 - : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon + function initializeForce(force) { + if (force.initialize) force.initialize(nodes, random); + return force; } - function compareIntersection(a, b) { - return comparePoint(a.x, b.x); - } + initializeNodes(); - function comparePoint(a, b) { - var ca = corner(a, 1), - cb = corner(b, 1); - return ca !== cb ? ca - cb - : ca === 0 ? b[1] - a[1] - : ca === 1 ? a[0] - b[0] - : ca === 2 ? a[1] - b[1] - : b[0] - a[0]; - } + return simulation = { + tick: tick, - return function(stream) { - var activeStream = stream, - bufferStream = clipBuffer(), - segments, - polygon, - ring, - x__, y__, v__, // first point - x_, y_, v_, // previous point - first, - clean; + restart: function() { + return stepper.restart(step), simulation; + }, - var clipStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: polygonStart, - polygonEnd: polygonEnd - }; + stop: function() { + return stepper.stop(), simulation; + }, - function point(x, y) { - if (visible(x, y)) activeStream.point(x, y); - } + nodes: function(_) { + return arguments.length ? (nodes = _, initializeNodes(), forces.forEach(initializeForce), simulation) : nodes; + }, - function polygonInside() { - var winding = 0; + alpha: function(_) { + return arguments.length ? (alpha = +_, simulation) : alpha; + }, - for (var i = 0, n = polygon.length; i < n; ++i) { - for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { - a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; - if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } - else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } - } + alphaMin: function(_) { + return arguments.length ? (alphaMin = +_, simulation) : alphaMin; + }, + + alphaDecay: function(_) { + return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; + }, + + alphaTarget: function(_) { + return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; + }, + + velocityDecay: function(_) { + return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; + }, + + randomSource: function(_) { + return arguments.length ? (random = _, forces.forEach(initializeForce), simulation) : random; + }, + + force: function(name, _) { + return arguments.length > 1 ? ((_ == null ? forces.delete(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); + }, + + find: function(x, y, radius) { + var i = 0, + n = nodes.length, + dx, + dy, + d2, + node, + closest; + + if (radius == null) radius = Infinity; + else radius *= radius; + + for (i = 0; i < n; ++i) { + node = nodes[i]; + dx = x - node.x; + dy = y - node.y; + d2 = dx * dx + dy * dy; + if (d2 < radius) closest = node, radius = d2; } - return winding; - } + return closest; + }, - // Buffer geometry within a polygon and then clip it en masse. - function polygonStart() { - activeStream = bufferStream, segments = [], polygon = [], clean = true; + on: function(name, _) { + return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); } + }; +} - function polygonEnd() { - var startInside = polygonInside(), - cleanInside = clean && startInside, - visible = (segments = d3Array.merge(segments)).length; - if (cleanInside || visible) { - stream.polygonStart(); - if (cleanInside) { - stream.lineStart(); - interpolate(null, null, 1, stream); - stream.lineEnd(); - } - if (visible) { - clipRejoin(segments, compareIntersection, startInside, interpolate, stream); +function manyBody() { + var nodes, + node, + random, + alpha, + strength = constant(-30), + strengths, + distanceMin2 = 1, + distanceMax2 = Infinity, + theta2 = 0.81; + + function force(_) { + var i, n = nodes.length, tree = d3Quadtree.quadtree(nodes, x$1, y$1).visitAfter(accumulate); + for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); + } + + function initialize() { + if (!nodes) return; + var i, n = nodes.length, node; + strengths = new Array(n); + for (i = 0; i < n; ++i) node = nodes[i], strengths[node.index] = +strength(node, i, nodes); + } + + function accumulate(quad) { + var strength = 0, q, c, weight = 0, x, y, i; + + // For internal nodes, accumulate forces from child quadrants. + if (quad.length) { + for (x = y = i = 0; i < 4; ++i) { + if ((q = quad[i]) && (c = Math.abs(q.value))) { + strength += q.value, weight += c, x += c * q.x, y += c * q.y; } - stream.polygonEnd(); } - activeStream = stream, segments = polygon = ring = null; + quad.x = x / weight; + quad.y = y / weight; } - function lineStart() { - clipStream.point = linePoint; - if (polygon) polygon.push(ring = []); - first = true; - v_ = false; - x_ = y_ = NaN; + // For leaf nodes, accumulate forces from coincident quadrants. + else { + q = quad; + q.x = q.data.x; + q.y = q.data.y; + do strength += strengths[q.data.index]; + while (q = q.next); } - // TODO rather than special-case polygons, simply handle them separately. - // Ideally, coincident intersection points should be jittered to avoid - // clipping issues. - function lineEnd() { - if (segments) { - linePoint(x__, y__); - if (v__ && v_) bufferStream.rejoin(); - segments.push(bufferStream.result()); - } - clipStream.point = point; - if (v_) activeStream.lineEnd(); - } + quad.value = strength; + } - function linePoint(x, y) { - var v = visible(x, y); - if (polygon) ring.push([x, y]); - if (first) { - x__ = x, y__ = y, v__ = v; - first = false; - if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - } - } else { - if (v && v_) activeStream.point(x, y); - else { - var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], - b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; - if (clipLine(a, b, x0, y0, x1, y1)) { - if (!v_) { - activeStream.lineStart(); - activeStream.point(a[0], a[1]); - } - activeStream.point(b[0], b[1]); - if (!v) activeStream.lineEnd(); - clean = false; - } else if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - clean = false; - } - } + function apply(quad, x1, _, x2) { + if (!quad.value) return true; + + var x = quad.x - node.x, + y = quad.y - node.y, + w = x2 - x1, + l = x * x + y * y; + + // Apply the Barnes-Hut approximation if possible. + // Limit forces for very close nodes; randomize direction if coincident. + if (w * w / theta2 < l) { + if (l < distanceMax2) { + if (x === 0) x = jiggle(random), l += x * x; + if (y === 0) y = jiggle(random), l += y * y; + if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); + node.vx += x * quad.value * alpha / l; + node.vy += y * quad.value * alpha / l; } - x_ = x, y_ = y, v_ = v; + return true; } - return clipStream; - }; -} - -function extent() { - var x0 = 0, - y0 = 0, - x1 = 960, - y1 = 500, - cache, - cacheStream, - clip; + // Otherwise, process points directly. + else if (quad.length || l >= distanceMax2) return; - return clip = { - stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = clipRectangle(x0, y0, x1, y1)(cacheStream = stream); - }, - extent: function(_) { - return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; + // Limit forces for very close nodes; randomize direction if coincident. + if (quad.data !== node || quad.next) { + if (x === 0) x = jiggle(random), l += x * x; + if (y === 0) y = jiggle(random), l += y * y; + if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); } - }; -} -var lengthSum, - lambda0$2, - sinPhi0$1, - cosPhi0$1; + do if (quad.data !== node) { + w = strengths[quad.data.index] * alpha / l; + node.vx += x * w; + node.vy += y * w; + } while (quad = quad.next); + } -var lengthStream = { - sphere: noop, - point: noop, - lineStart: lengthLineStart, - lineEnd: noop, - polygonStart: noop, - polygonEnd: noop -}; + force.initialize = function(_nodes, _random) { + nodes = _nodes; + random = _random; + initialize(); + }; -function lengthLineStart() { - lengthStream.point = lengthPointFirst; - lengthStream.lineEnd = lengthLineEnd; -} + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant(+_), initialize(), force) : strength; + }; -function lengthLineEnd() { - lengthStream.point = lengthStream.lineEnd = noop; -} + force.distanceMin = function(_) { + return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); + }; -function lengthPointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - lambda0$2 = lambda, sinPhi0$1 = sin(phi), cosPhi0$1 = cos(phi); - lengthStream.point = lengthPoint; -} + force.distanceMax = function(_) { + return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); + }; -function lengthPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var sinPhi = sin(phi), - cosPhi = cos(phi), - delta = abs(lambda - lambda0$2), - cosDelta = cos(delta), - sinDelta = sin(delta), - x = cosPhi * sinDelta, - y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, - z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; - lengthSum.add(atan2(sqrt(x * x + y * y), z)); - lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; -} + force.theta = function(_) { + return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); + }; -function length(object) { - lengthSum = new d3Array.Adder(); - geoStream(object, lengthStream); - return +lengthSum; + return force; } -var coordinates = [null, null], - object = {type: "LineString", coordinates: coordinates}; +function radial(radius, x, y) { + var nodes, + strength = constant(0.1), + strengths, + radiuses; -function distance(a, b) { - coordinates[0] = a; - coordinates[1] = b; - return length(object); -} + if (typeof radius !== "function") radius = constant(+radius); + if (x == null) x = 0; + if (y == null) y = 0; -var containsObjectType = { - Feature: function(object, point) { - return containsGeometry(object.geometry, point); - }, - FeatureCollection: function(object, point) { - var features = object.features, i = -1, n = features.length; - while (++i < n) if (containsGeometry(features[i].geometry, point)) return true; - return false; + function force(alpha) { + for (var i = 0, n = nodes.length; i < n; ++i) { + var node = nodes[i], + dx = node.x - x || 1e-6, + dy = node.y - y || 1e-6, + r = Math.sqrt(dx * dx + dy * dy), + k = (radiuses[i] - r) * strengths[i] * alpha / r; + node.vx += dx * k; + node.vy += dy * k; + } } -}; -var containsGeometryType = { - Sphere: function() { - return true; - }, - Point: function(object, point) { - return containsPoint(object.coordinates, point); - }, - MultiPoint: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsPoint(coordinates[i], point)) return true; - return false; - }, - LineString: function(object, point) { - return containsLine(object.coordinates, point); - }, - MultiLineString: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsLine(coordinates[i], point)) return true; - return false; - }, - Polygon: function(object, point) { - return containsPolygon(object.coordinates, point); - }, - MultiPolygon: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsPolygon(coordinates[i], point)) return true; - return false; - }, - GeometryCollection: function(object, point) { - var geometries = object.geometries, i = -1, n = geometries.length; - while (++i < n) if (containsGeometry(geometries[i], point)) return true; - return false; + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + radiuses = new Array(n); + for (i = 0; i < n; ++i) { + radiuses[i] = +radius(nodes[i], i, nodes); + strengths[i] = isNaN(radiuses[i]) ? 0 : +strength(nodes[i], i, nodes); + } } -}; -function containsGeometry(geometry, point) { - return geometry && containsGeometryType.hasOwnProperty(geometry.type) - ? containsGeometryType[geometry.type](geometry, point) - : false; -} + force.initialize = function(_) { + nodes = _, initialize(); + }; -function containsPoint(coordinates, point) { - return distance(coordinates, point) === 0; -} + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant(+_), initialize(), force) : strength; + }; -function containsLine(coordinates, point) { - var ao, bo, ab; - for (var i = 0, n = coordinates.length; i < n; i++) { - bo = distance(coordinates[i], point); - if (bo === 0) return true; - if (i > 0) { - ab = distance(coordinates[i], coordinates[i - 1]); - if ( - ab > 0 && - ao <= ab && - bo <= ab && - (ao + bo - ab) * (1 - Math.pow((ao - bo) / ab, 2)) < epsilon2 * ab - ) - return true; - } - ao = bo; - } - return false; -} - -function containsPolygon(coordinates, point) { - return !!polygonContains(coordinates.map(ringRadians), pointRadians(point)); -} - -function ringRadians(ring) { - return ring = ring.map(pointRadians), ring.pop(), ring; -} + force.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant(+_), initialize(), force) : radius; + }; -function pointRadians(point) { - return [point[0] * radians, point[1] * radians]; -} + force.x = function(_) { + return arguments.length ? (x = +_, force) : x; + }; -function contains(object, point) { - return (object && containsObjectType.hasOwnProperty(object.type) - ? containsObjectType[object.type] - : containsGeometry)(object, point); -} + force.y = function(_) { + return arguments.length ? (y = +_, force) : y; + }; -function graticuleX(y0, y1, dy) { - var y = d3Array.range(y0, y1 - epsilon, dy).concat(y1); - return function(x) { return y.map(function(y) { return [x, y]; }); }; + return force; } -function graticuleY(x0, x1, dx) { - var x = d3Array.range(x0, x1 - epsilon, dx).concat(x1); - return function(y) { return x.map(function(x) { return [x, y]; }); }; -} +function x$2(x) { + var strength = constant(0.1), + nodes, + strengths, + xz; -function graticule() { - var x1, x0, X1, X0, - y1, y0, Y1, Y0, - dx = 10, dy = dx, DX = 90, DY = 360, - x, y, X, Y, - precision = 2.5; + if (typeof x !== "function") x = constant(x == null ? 0 : +x); - function graticule() { - return {type: "MultiLineString", coordinates: lines()}; + function force(alpha) { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; + } } - function lines() { - return d3Array.range(ceil(X0 / DX) * DX, X1, DX).map(X) - .concat(d3Array.range(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) - .concat(d3Array.range(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon; }).map(x)) - .concat(d3Array.range(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon; }).map(y)); + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + xz = new Array(n); + for (i = 0; i < n; ++i) { + strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + } } - graticule.lines = function() { - return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); + force.initialize = function(_) { + nodes = _; + initialize(); }; - graticule.outline = function() { - return { - type: "Polygon", - coordinates: [ - X(X0).concat( - Y(Y1).slice(1), - X(X1).reverse().slice(1), - Y(Y0).reverse().slice(1)) - ] - }; + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant(+_), initialize(), force) : strength; }; - graticule.extent = function(_) { - if (!arguments.length) return graticule.extentMinor(); - return graticule.extentMajor(_).extentMinor(_); + force.x = function(_) { + return arguments.length ? (x = typeof _ === "function" ? _ : constant(+_), initialize(), force) : x; }; - graticule.extentMajor = function(_) { - if (!arguments.length) return [[X0, Y0], [X1, Y1]]; - X0 = +_[0][0], X1 = +_[1][0]; - Y0 = +_[0][1], Y1 = +_[1][1]; - if (X0 > X1) _ = X0, X0 = X1, X1 = _; - if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; - return graticule.precision(precision); - }; + return force; +} - graticule.extentMinor = function(_) { - if (!arguments.length) return [[x0, y0], [x1, y1]]; - x0 = +_[0][0], x1 = +_[1][0]; - y0 = +_[0][1], y1 = +_[1][1]; - if (x0 > x1) _ = x0, x0 = x1, x1 = _; - if (y0 > y1) _ = y0, y0 = y1, y1 = _; - return graticule.precision(precision); - }; +function y$2(y) { + var strength = constant(0.1), + nodes, + strengths, + yz; - graticule.step = function(_) { - if (!arguments.length) return graticule.stepMinor(); - return graticule.stepMajor(_).stepMinor(_); - }; + if (typeof y !== "function") y = constant(y == null ? 0 : +y); - graticule.stepMajor = function(_) { - if (!arguments.length) return [DX, DY]; - DX = +_[0], DY = +_[1]; - return graticule; - }; + function force(alpha) { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; + } + } - graticule.stepMinor = function(_) { - if (!arguments.length) return [dx, dy]; - dx = +_[0], dy = +_[1]; - return graticule; + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + yz = new Array(n); + for (i = 0; i < n; ++i) { + strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + } + } + + force.initialize = function(_) { + nodes = _; + initialize(); }; - graticule.precision = function(_) { - if (!arguments.length) return precision; - precision = +_; - x = graticuleX(y0, y1, 90); - y = graticuleY(x0, x1, precision); - X = graticuleX(Y0, Y1, 90); - Y = graticuleY(X0, X1, precision); - return graticule; + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant(+_), initialize(), force) : strength; }; - return graticule - .extentMajor([[-180, -90 + epsilon], [180, 90 - epsilon]]) - .extentMinor([[-180, -80 - epsilon], [180, 80 + epsilon]]); -} + force.y = function(_) { + return arguments.length ? (y = typeof _ === "function" ? _ : constant(+_), initialize(), force) : y; + }; -function graticule10() { - return graticule()(); + return force; } -function interpolate(a, b) { - var x0 = a[0] * radians, - y0 = a[1] * radians, - x1 = b[0] * radians, - y1 = b[1] * radians, - cy0 = cos(y0), - sy0 = sin(y0), - cy1 = cos(y1), - sy1 = sin(y1), - kx0 = cy0 * cos(x0), - ky0 = cy0 * sin(x0), - kx1 = cy1 * cos(x1), - ky1 = cy1 * sin(x1), - d = 2 * asin(sqrt(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), - k = sin(d); +exports.forceCenter = center; +exports.forceCollide = collide; +exports.forceLink = link; +exports.forceManyBody = manyBody; +exports.forceRadial = radial; +exports.forceSimulation = simulation; +exports.forceX = x$2; +exports.forceY = y$2; - var interpolate = d ? function(t) { - var B = sin(t *= d) / k, - A = sin(d - t) / k, - x = A * kx0 + B * kx1, - y = A * ky0 + B * ky1, - z = A * sy0 + B * sy1; - return [ - atan2(y, x) * degrees, - atan2(z, sqrt(x * x + y * y)) * degrees - ]; - } : function() { - return [x0 * degrees, y0 * degrees]; - }; +Object.defineProperty(exports, '__esModule', { value: true }); - interpolate.distance = d; +})); +}); - return interpolate; +var d3Format = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-format/ v2.0.0 Copyright 2020 Mike Bostock +(function (global, factory) { +factory(exports) ; +}(commonjsGlobal, (function (exports) { +function formatDecimal(x) { + return Math.abs(x = Math.round(x)) >= 1e21 + ? x.toLocaleString("en").replace(/,/g, "") + : x.toString(10); } -var identity = x => x; +// Computes the decimal coefficient and exponent of the specified number x with +// significant digits p, where x is positive and p is in [1, 21] or undefined. +// For example, formatDecimalParts(1.23) returns ["123", 0]. +function formatDecimalParts(x, p) { + if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity + var i, coefficient = x.slice(0, i); -var areaSum$1 = new d3Array.Adder(), - areaRingSum$1 = new d3Array.Adder(), - x00, - y00, - x0$1, - y0$1; + // The string returned by toExponential either has the form \d\.\d+e[-+]\d+ + // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). + return [ + coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, + +x.slice(i + 1) + ]; +} -var areaStream$1 = { - point: noop, - lineStart: noop, - lineEnd: noop, - polygonStart: function() { - areaStream$1.lineStart = areaRingStart$1; - areaStream$1.lineEnd = areaRingEnd$1; - }, - polygonEnd: function() { - areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop; - areaSum$1.add(abs(areaRingSum$1)); - areaRingSum$1 = new d3Array.Adder(); - }, - result: function() { - var area = areaSum$1 / 2; - areaSum$1 = new d3Array.Adder(); - return area; - } -}; - -function areaRingStart$1() { - areaStream$1.point = areaPointFirst$1; +function exponent(x) { + return x = formatDecimalParts(Math.abs(x)), x ? x[1] : NaN; } -function areaPointFirst$1(x, y) { - areaStream$1.point = areaPoint$1; - x00 = x0$1 = x, y00 = y0$1 = y; -} +function formatGroup(grouping, thousands) { + return function(value, width) { + var i = value.length, + t = [], + j = 0, + g = grouping[0], + length = 0; -function areaPoint$1(x, y) { - areaRingSum$1.add(y0$1 * x - x0$1 * y); - x0$1 = x, y0$1 = y; -} + while (i > 0 && g > 0) { + if (length + g + 1 > width) g = Math.max(1, width - length); + t.push(value.substring(i -= g, i + g)); + if ((length += g + 1) > width) break; + g = grouping[j = (j + 1) % grouping.length]; + } -function areaRingEnd$1() { - areaPoint$1(x00, y00); + return t.reverse().join(thousands); + }; } -var x0$2 = Infinity, - y0$2 = x0$2, - x1 = -x0$2, - y1 = x1; +function formatNumerals(numerals) { + return function(value) { + return value.replace(/[0-9]/g, function(i) { + return numerals[+i]; + }); + }; +} -var boundsStream$1 = { - point: boundsPoint$1, - lineStart: noop, - lineEnd: noop, - polygonStart: noop, - polygonEnd: noop, - result: function() { - var bounds = [[x0$2, y0$2], [x1, y1]]; - x1 = y1 = -(y0$2 = x0$2 = Infinity); - return bounds; - } -}; +// [[fill]align][sign][symbol][0][width][,][.precision][~][type] +var re = /^(?:(.)?([<>=^]))?([+\-( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i; -function boundsPoint$1(x, y) { - if (x < x0$2) x0$2 = x; - if (x > x1) x1 = x; - if (y < y0$2) y0$2 = y; - if (y > y1) y1 = y; +function formatSpecifier(specifier) { + if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); + var match; + return new FormatSpecifier({ + fill: match[1], + align: match[2], + sign: match[3], + symbol: match[4], + zero: match[5], + width: match[6], + comma: match[7], + precision: match[8] && match[8].slice(1), + trim: match[9], + type: match[10] + }); } -// TODO Enforce positive area for exterior, negative area for interior? +formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof -var X0$1 = 0, - Y0$1 = 0, - Z0$1 = 0, - X1$1 = 0, - Y1$1 = 0, - Z1$1 = 0, - X2$1 = 0, - Y2$1 = 0, - Z2$1 = 0, - x00$1, - y00$1, - x0$3, - y0$3; +function FormatSpecifier(specifier) { + this.fill = specifier.fill === undefined ? " " : specifier.fill + ""; + this.align = specifier.align === undefined ? ">" : specifier.align + ""; + this.sign = specifier.sign === undefined ? "-" : specifier.sign + ""; + this.symbol = specifier.symbol === undefined ? "" : specifier.symbol + ""; + this.zero = !!specifier.zero; + this.width = specifier.width === undefined ? undefined : +specifier.width; + this.comma = !!specifier.comma; + this.precision = specifier.precision === undefined ? undefined : +specifier.precision; + this.trim = !!specifier.trim; + this.type = specifier.type === undefined ? "" : specifier.type + ""; +} -var centroidStream$1 = { - point: centroidPoint$1, - lineStart: centroidLineStart$1, - lineEnd: centroidLineEnd$1, - polygonStart: function() { - centroidStream$1.lineStart = centroidRingStart$1; - centroidStream$1.lineEnd = centroidRingEnd$1; - }, - polygonEnd: function() { - centroidStream$1.point = centroidPoint$1; - centroidStream$1.lineStart = centroidLineStart$1; - centroidStream$1.lineEnd = centroidLineEnd$1; - }, - result: function() { - var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] - : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] - : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] - : [NaN, NaN]; - X0$1 = Y0$1 = Z0$1 = - X1$1 = Y1$1 = Z1$1 = - X2$1 = Y2$1 = Z2$1 = 0; - return centroid; - } +FormatSpecifier.prototype.toString = function() { + return this.fill + + this.align + + this.sign + + this.symbol + + (this.zero ? "0" : "") + + (this.width === undefined ? "" : Math.max(1, this.width | 0)) + + (this.comma ? "," : "") + + (this.precision === undefined ? "" : "." + Math.max(0, this.precision | 0)) + + (this.trim ? "~" : "") + + this.type; }; -function centroidPoint$1(x, y) { - X0$1 += x; - Y0$1 += y; - ++Z0$1; +// Trims insignificant zeros, e.g., replaces 1.2000k with 1.2k. +function formatTrim(s) { + out: for (var n = s.length, i = 1, i0 = -1, i1; i < n; ++i) { + switch (s[i]) { + case ".": i0 = i1 = i; break; + case "0": if (i0 === 0) i0 = i; i1 = i; break; + default: if (!+s[i]) break out; if (i0 > 0) i0 = 0; break; + } + } + return i0 > 0 ? s.slice(0, i0) + s.slice(i1 + 1) : s; } -function centroidLineStart$1() { - centroidStream$1.point = centroidPointFirstLine; -} +var prefixExponent; -function centroidPointFirstLine(x, y) { - centroidStream$1.point = centroidPointLine; - centroidPoint$1(x0$3 = x, y0$3 = y); +function formatPrefixAuto(x, p) { + var d = formatDecimalParts(x, p); + if (!d) return x + ""; + var coefficient = d[0], + exponent = d[1], + i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, + n = coefficient.length; + return i === n ? coefficient + : i > n ? coefficient + new Array(i - n + 1).join("0") + : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) + : "0." + new Array(1 - i).join("0") + formatDecimalParts(x, Math.max(0, p + i - 1))[0]; // less than 1y! } -function centroidPointLine(x, y) { - var dx = x - x0$3, dy = y - y0$3, z = sqrt(dx * dx + dy * dy); - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; - centroidPoint$1(x0$3 = x, y0$3 = y); +function formatRounded(x, p) { + var d = formatDecimalParts(x, p); + if (!d) return x + ""; + var coefficient = d[0], + exponent = d[1]; + return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient + : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) + : coefficient + new Array(exponent - coefficient.length + 2).join("0"); } -function centroidLineEnd$1() { - centroidStream$1.point = centroidPoint$1; -} +var formatTypes = { + "%": (x, p) => (x * 100).toFixed(p), + "b": (x) => Math.round(x).toString(2), + "c": (x) => x + "", + "d": formatDecimal, + "e": (x, p) => x.toExponential(p), + "f": (x, p) => x.toFixed(p), + "g": (x, p) => x.toPrecision(p), + "o": (x) => Math.round(x).toString(8), + "p": (x, p) => formatRounded(x * 100, p), + "r": formatRounded, + "s": formatPrefixAuto, + "X": (x) => Math.round(x).toString(16).toUpperCase(), + "x": (x) => Math.round(x).toString(16) +}; -function centroidRingStart$1() { - centroidStream$1.point = centroidPointFirstRing; +function identity(x) { + return x; } -function centroidRingEnd$1() { - centroidPointRing(x00$1, y00$1); -} +var map = Array.prototype.map, + prefixes = ["y","z","a","f","p","n","µ","m","","k","M","G","T","P","E","Z","Y"]; -function centroidPointFirstRing(x, y) { - centroidStream$1.point = centroidPointRing; - centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); -} +function formatLocale(locale) { + var group = locale.grouping === undefined || locale.thousands === undefined ? identity : formatGroup(map.call(locale.grouping, Number), locale.thousands + ""), + currencyPrefix = locale.currency === undefined ? "" : locale.currency[0] + "", + currencySuffix = locale.currency === undefined ? "" : locale.currency[1] + "", + decimal = locale.decimal === undefined ? "." : locale.decimal + "", + numerals = locale.numerals === undefined ? identity : formatNumerals(map.call(locale.numerals, String)), + percent = locale.percent === undefined ? "%" : locale.percent + "", + minus = locale.minus === undefined ? "−" : locale.minus + "", + nan = locale.nan === undefined ? "NaN" : locale.nan + ""; -function centroidPointRing(x, y) { - var dx = x - x0$3, - dy = y - y0$3, - z = sqrt(dx * dx + dy * dy); + function newFormat(specifier) { + specifier = formatSpecifier(specifier); - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; + var fill = specifier.fill, + align = specifier.align, + sign = specifier.sign, + symbol = specifier.symbol, + zero = specifier.zero, + width = specifier.width, + comma = specifier.comma, + precision = specifier.precision, + trim = specifier.trim, + type = specifier.type; - z = y0$3 * x - x0$3 * y; - X2$1 += z * (x0$3 + x); - Y2$1 += z * (y0$3 + y); - Z2$1 += z * 3; - centroidPoint$1(x0$3 = x, y0$3 = y); -} + // The "n" type is an alias for ",g". + if (type === "n") comma = true, type = "g"; -function PathContext(context) { - this._context = context; -} + // The "" type, and any invalid type, is an alias for ".12~g". + else if (!formatTypes[type]) precision === undefined && (precision = 12), trim = true, type = "g"; -PathContext.prototype = { - _radius: 4.5, - pointRadius: function(_) { - return this._radius = _, this; - }, - polygonStart: function() { - this._line = 0; - }, - polygonEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line === 0) this._context.closePath(); - this._point = NaN; - }, - point: function(x, y) { - switch (this._point) { - case 0: { - this._context.moveTo(x, y); - this._point = 1; - break; - } - case 1: { - this._context.lineTo(x, y); - break; - } - default: { - this._context.moveTo(x + this._radius, y); - this._context.arc(x, y, this._radius, 0, tau); - break; - } - } - }, - result: noop -}; + // If zero fill is specified, padding goes after sign and before digits. + if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; -var lengthSum$1 = new d3Array.Adder(), - lengthRing, - x00$2, - y00$2, - x0$4, - y0$4; + // Compute the prefix and suffix. + // For SI-prefix, the suffix is lazily computed. + var prefix = symbol === "$" ? currencyPrefix : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", + suffix = symbol === "$" ? currencySuffix : /[%p]/.test(type) ? percent : ""; -var lengthStream$1 = { - point: noop, - lineStart: function() { - lengthStream$1.point = lengthPointFirst$1; - }, - lineEnd: function() { - if (lengthRing) lengthPoint$1(x00$2, y00$2); - lengthStream$1.point = noop; - }, - polygonStart: function() { - lengthRing = true; - }, - polygonEnd: function() { - lengthRing = null; - }, - result: function() { - var length = +lengthSum$1; - lengthSum$1 = new d3Array.Adder(); - return length; - } -}; + // What format function should we use? + // Is this an integer type? + // Can this type generate exponential notation? + var formatType = formatTypes[type], + maybeSuffix = /[defgprs%]/.test(type); -function lengthPointFirst$1(x, y) { - lengthStream$1.point = lengthPoint$1; - x00$2 = x0$4 = x, y00$2 = y0$4 = y; -} + // Set the default precision if not specified, + // or clamp the specified precision to the supported range. + // For significant precision, it must be in [1, 21]. + // For fixed precision, it must be in [0, 20]. + precision = precision === undefined ? 6 + : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) + : Math.max(0, Math.min(20, precision)); -function lengthPoint$1(x, y) { - x0$4 -= x, y0$4 -= y; - lengthSum$1.add(sqrt(x0$4 * x0$4 + y0$4 * y0$4)); - x0$4 = x, y0$4 = y; -} + function format(value) { + var valuePrefix = prefix, + valueSuffix = suffix, + i, n, c; -function PathString() { - this._string = []; -} + if (type === "c") { + valueSuffix = formatType(value) + valueSuffix; + value = ""; + } else { + value = +value; -PathString.prototype = { - _radius: 4.5, - _circle: circle$1(4.5), - pointRadius: function(_) { - if ((_ = +_) !== this._radius) this._radius = _, this._circle = null; - return this; - }, - polygonStart: function() { - this._line = 0; - }, - polygonEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line === 0) this._string.push("Z"); - this._point = NaN; - }, - point: function(x, y) { - switch (this._point) { - case 0: { - this._string.push("M", x, ",", y); - this._point = 1; - break; - } - case 1: { - this._string.push("L", x, ",", y); - break; - } - default: { - if (this._circle == null) this._circle = circle$1(this._radius); - this._string.push("M", x, ",", y, this._circle); - break; - } - } - }, - result: function() { - if (this._string.length) { - var result = this._string.join(""); - this._string = []; - return result; - } else { - return null; - } - } -}; + // Determine the sign. -0 is not less than 0, but 1 / -0 is! + var valueNegative = value < 0 || 1 / value < 0; -function circle$1(radius) { - return "m0," + radius - + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius - + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius - + "z"; -} + // Perform the initial formatting. + value = isNaN(value) ? nan : formatType(Math.abs(value), precision); -function index(projection, context) { - var pointRadius = 4.5, - projectionStream, - contextStream; + // Trim insignificant zeros. + if (trim) value = formatTrim(value); - function path(object) { - if (object) { - if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); - geoStream(object, projectionStream(contextStream)); - } - return contextStream.result(); - } + // If a negative value rounds to zero after formatting, and no explicit positive sign is requested, hide the sign. + if (valueNegative && +value === 0 && sign !== "+") valueNegative = false; - path.area = function(object) { - geoStream(object, projectionStream(areaStream$1)); - return areaStream$1.result(); - }; + // Compute the prefix and suffix. + valuePrefix = (valueNegative ? (sign === "(" ? sign : minus) : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; + valueSuffix = (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (valueNegative && sign === "(" ? ")" : ""); - path.measure = function(object) { - geoStream(object, projectionStream(lengthStream$1)); - return lengthStream$1.result(); - }; + // Break the formatted value into the integer “value” part that can be + // grouped, and fractional or exponential “suffix” part that is not. + if (maybeSuffix) { + i = -1, n = value.length; + while (++i < n) { + if (c = value.charCodeAt(i), 48 > c || c > 57) { + valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; + value = value.slice(0, i); + break; + } + } + } + } - path.bounds = function(object) { - geoStream(object, projectionStream(boundsStream$1)); - return boundsStream$1.result(); - }; + // If the fill character is not "0", grouping is applied before padding. + if (comma && !zero) value = group(value, Infinity); - path.centroid = function(object) { - geoStream(object, projectionStream(centroidStream$1)); - return centroidStream$1.result(); - }; + // Compute the padding. + var length = valuePrefix.length + value.length + valueSuffix.length, + padding = length < width ? new Array(width - length + 1).join(fill) : ""; - path.projection = function(_) { - return arguments.length ? (projectionStream = _ == null ? (projection = null, identity) : (projection = _).stream, path) : projection; - }; + // If the fill character is "0", grouping is applied after padding. + if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; - path.context = function(_) { - if (!arguments.length) return context; - contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); - if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); - return path; - }; + // Reconstruct the final output based on the desired alignment. + switch (align) { + case "<": value = valuePrefix + value + valueSuffix + padding; break; + case "=": value = valuePrefix + padding + value + valueSuffix; break; + case "^": value = padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); break; + default: value = padding + valuePrefix + value + valueSuffix; break; + } - path.pointRadius = function(_) { - if (!arguments.length) return pointRadius; - pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); - return path; - }; + return numerals(value); + } - return path.projection(projection).context(context); -} + format.toString = function() { + return specifier + ""; + }; -function transform(methods) { - return { - stream: transformer(methods) - }; -} - -function transformer(methods) { - return function(stream) { - var s = new TransformStream; - for (var key in methods) s[key] = methods[key]; - s.stream = stream; - return s; - }; -} - -function TransformStream() {} + return format; + } -TransformStream.prototype = { - constructor: TransformStream, - point: function(x, y) { this.stream.point(x, y); }, - sphere: function() { this.stream.sphere(); }, - lineStart: function() { this.stream.lineStart(); }, - lineEnd: function() { this.stream.lineEnd(); }, - polygonStart: function() { this.stream.polygonStart(); }, - polygonEnd: function() { this.stream.polygonEnd(); } -}; + function formatPrefix(specifier, value) { + var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), + e = Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3, + k = Math.pow(10, -e), + prefix = prefixes[8 + e / 3]; + return function(value) { + return f(k * value) + prefix; + }; + } -function fit(projection, fitBounds, object) { - var clip = projection.clipExtent && projection.clipExtent(); - projection.scale(150).translate([0, 0]); - if (clip != null) projection.clipExtent(null); - geoStream(object, projection.stream(boundsStream$1)); - fitBounds(boundsStream$1.result()); - if (clip != null) projection.clipExtent(clip); - return projection; + return { + format: newFormat, + formatPrefix: formatPrefix + }; } -function fitExtent(projection, extent, object) { - return fit(projection, function(b) { - var w = extent[1][0] - extent[0][0], - h = extent[1][1] - extent[0][1], - k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), - x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, - y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; - projection.scale(150 * k).translate([x, y]); - }, object); -} +var locale; -function fitSize(projection, size, object) { - return fitExtent(projection, [[0, 0], size], object); -} +defaultLocale({ + thousands: ",", + grouping: [3], + currency: ["$", ""] +}); -function fitWidth(projection, width, object) { - return fit(projection, function(b) { - var w = +width, - k = w / (b[1][0] - b[0][0]), - x = (w - k * (b[1][0] + b[0][0])) / 2, - y = -k * b[0][1]; - projection.scale(150 * k).translate([x, y]); - }, object); +function defaultLocale(definition) { + locale = formatLocale(definition); + exports.format = locale.format; + exports.formatPrefix = locale.formatPrefix; + return locale; } -function fitHeight(projection, height, object) { - return fit(projection, function(b) { - var h = +height, - k = h / (b[1][1] - b[0][1]), - x = -k * b[0][0], - y = (h - k * (b[1][1] + b[0][1])) / 2; - projection.scale(150 * k).translate([x, y]); - }, object); +function precisionFixed(step) { + return Math.max(0, -exponent(Math.abs(step))); } -var maxDepth = 16, // maximum depth of subdivision - cosMinDistance = cos(30 * radians); // cos(minimum angular distance) - -function resample(project, delta2) { - return +delta2 ? resample$1(project, delta2) : resampleNone(project); +function precisionPrefix(step, value) { + return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3 - exponent(Math.abs(step))); } -function resampleNone(project) { - return transformer({ - point: function(x, y) { - x = project(x, y); - this.stream.point(x[0], x[1]); - } - }); +function precisionRound(step, max) { + step = Math.abs(step), max = Math.abs(max) - step; + return Math.max(0, exponent(max) - exponent(step)) + 1; } -function resample$1(project, delta2) { - - function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { - var dx = x1 - x0, - dy = y1 - y0, - d2 = dx * dx + dy * dy; - if (d2 > 4 * delta2 && depth--) { - var a = a0 + a1, - b = b0 + b1, - c = c0 + c1, - m = sqrt(a * a + b * b + c * c), - phi2 = asin(c /= m), - lambda2 = abs(abs(c) - 1) < epsilon || abs(lambda0 - lambda1) < epsilon ? (lambda0 + lambda1) / 2 : atan2(b, a), - p = project(lambda2, phi2), - x2 = p[0], - y2 = p[1], - dx2 = x2 - x0, - dy2 = y2 - y0, - dz = dy * dx2 - dx * dy2; - if (dz * dz / d2 > delta2 // perpendicular projected distance - || abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end - || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); - stream.point(x2, y2); - resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); - } - } - } - return function(stream) { - var lambda00, x00, y00, a00, b00, c00, // first point - lambda0, x0, y0, a0, b0, c0; // previous point - - var resampleStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, - polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } - }; +exports.FormatSpecifier = FormatSpecifier; +exports.formatDefaultLocale = defaultLocale; +exports.formatLocale = formatLocale; +exports.formatSpecifier = formatSpecifier; +exports.precisionFixed = precisionFixed; +exports.precisionPrefix = precisionPrefix; +exports.precisionRound = precisionRound; - function point(x, y) { - x = project(x, y); - stream.point(x[0], x[1]); - } +Object.defineProperty(exports, '__esModule', { value: true }); - function lineStart() { - x0 = NaN; - resampleStream.point = linePoint; - stream.lineStart(); - } +}))); +}); - function linePoint(lambda, phi) { - var c = cartesian([lambda, phi]), p = project(lambda, phi); - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); - stream.point(x0, y0); - } +var d3Geo = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-geo/ v2.0.2 Copyright 2021 Mike Bostock +(function (global, factory) { +factory(exports, d3Array) ; +}(commonjsGlobal, function (exports, d3Array) { +var epsilon = 1e-6; +var epsilon2 = 1e-12; +var pi = Math.PI; +var halfPi = pi / 2; +var quarterPi = pi / 4; +var tau = pi * 2; - function lineEnd() { - resampleStream.point = point; - stream.lineEnd(); - } +var degrees = 180 / pi; +var radians = pi / 180; - function ringStart() { - lineStart(); - resampleStream.point = ringPoint; - resampleStream.lineEnd = ringEnd; - } +var abs = Math.abs; +var atan = Math.atan; +var atan2 = Math.atan2; +var cos = Math.cos; +var ceil = Math.ceil; +var exp = Math.exp; +var hypot = Math.hypot; +var log = Math.log; +var pow = Math.pow; +var sin = Math.sin; +var sign = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; +var sqrt = Math.sqrt; +var tan = Math.tan; - function ringPoint(lambda, phi) { - linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; - resampleStream.point = linePoint; - } +function acos(x) { + return x > 1 ? 0 : x < -1 ? pi : Math.acos(x); +} - function ringEnd() { - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); - resampleStream.lineEnd = lineEnd; - lineEnd(); - } +function asin(x) { + return x > 1 ? halfPi : x < -1 ? -halfPi : Math.asin(x); +} - return resampleStream; - }; +function haversin(x) { + return (x = sin(x / 2)) * x; } -var transformRadians = transformer({ - point: function(x, y) { - this.stream.point(x * radians, y * radians); - } -}); +function noop() {} -function transformRotate(rotate) { - return transformer({ - point: function(x, y) { - var r = rotate(x, y); - return this.stream.point(r[0], r[1]); - } - }); +function streamGeometry(geometry, stream) { + if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { + streamGeometryType[geometry.type](geometry, stream); + } } -function scaleTranslate(k, dx, dy, sx, sy) { - function transform(x, y) { - x *= sx; y *= sy; - return [dx + k * x, dy - k * y]; +var streamObjectType = { + Feature: function(object, stream) { + streamGeometry(object.geometry, stream); + }, + FeatureCollection: function(object, stream) { + var features = object.features, i = -1, n = features.length; + while (++i < n) streamGeometry(features[i].geometry, stream); } - transform.invert = function(x, y) { - return [(x - dx) / k * sx, (dy - y) / k * sy]; - }; - return transform; -} +}; -function scaleTranslateRotate(k, dx, dy, sx, sy, alpha) { - if (!alpha) return scaleTranslate(k, dx, dy, sx, sy); - var cosAlpha = cos(alpha), - sinAlpha = sin(alpha), - a = cosAlpha * k, - b = sinAlpha * k, - ai = cosAlpha / k, - bi = sinAlpha / k, - ci = (sinAlpha * dy - cosAlpha * dx) / k, - fi = (sinAlpha * dx + cosAlpha * dy) / k; - function transform(x, y) { - x *= sx; y *= sy; - return [a * x - b * y + dx, dy - b * x - a * y]; +var streamGeometryType = { + Sphere: function(object, stream) { + stream.sphere(); + }, + Point: function(object, stream) { + object = object.coordinates; + stream.point(object[0], object[1], object[2]); + }, + MultiPoint: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); + }, + LineString: function(object, stream) { + streamLine(object.coordinates, stream, 0); + }, + MultiLineString: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) streamLine(coordinates[i], stream, 0); + }, + Polygon: function(object, stream) { + streamPolygon(object.coordinates, stream); + }, + MultiPolygon: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) streamPolygon(coordinates[i], stream); + }, + GeometryCollection: function(object, stream) { + var geometries = object.geometries, i = -1, n = geometries.length; + while (++i < n) streamGeometry(geometries[i], stream); } - transform.invert = function(x, y) { - return [sx * (ai * x - bi * y + ci), sy * (fi - bi * x - ai * y)]; - }; - return transform; -} +}; -function projection(project) { - return projectionMutator(function() { return project; })(); +function streamLine(coordinates, stream, closed) { + var i = -1, n = coordinates.length - closed, coordinate; + stream.lineStart(); + while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); + stream.lineEnd(); } -function projectionMutator(projectAt) { - var project, - k = 150, // scale - x = 480, y = 250, // translate - lambda = 0, phi = 0, // center - deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, // pre-rotate - alpha = 0, // post-rotate angle - sx = 1, // reflectX - sy = 1, // reflectX - theta = null, preclip = clipAntimeridian, // pre-clip angle - x0 = null, y0, x1, y1, postclip = identity, // post-clip extent - delta2 = 0.5, // precision - projectResample, - projectTransform, - projectRotateTransform, - cache, - cacheStream; - - function projection(point) { - return projectRotateTransform(point[0] * radians, point[1] * radians); - } +function streamPolygon(coordinates, stream) { + var i = -1, n = coordinates.length; + stream.polygonStart(); + while (++i < n) streamLine(coordinates[i], stream, 1); + stream.polygonEnd(); +} - function invert(point) { - point = projectRotateTransform.invert(point[0], point[1]); - return point && [point[0] * degrees, point[1] * degrees]; +function geoStream(object, stream) { + if (object && streamObjectType.hasOwnProperty(object.type)) { + streamObjectType[object.type](object, stream); + } else { + streamGeometry(object, stream); } +} - projection.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = transformRadians(transformRotate(rotate)(preclip(projectResample(postclip(cacheStream = stream))))); - }; - - projection.preclip = function(_) { - return arguments.length ? (preclip = _, theta = undefined, reset()) : preclip; - }; - - projection.postclip = function(_) { - return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; - }; - - projection.clipAngle = function(_) { - return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees; - }; - - projection.clipExtent = function(_) { - return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; - }; - - projection.scale = function(_) { - return arguments.length ? (k = +_, recenter()) : k; - }; +var areaRingSum = new d3Array.Adder(); - projection.translate = function(_) { - return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; - }; +// hello? - projection.center = function(_) { - return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees, phi * degrees]; - }; +var areaSum = new d3Array.Adder(), + lambda00, + phi00, + lambda0, + cosPhi0, + sinPhi0; - projection.rotate = function(_) { - return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees, deltaPhi * degrees, deltaGamma * degrees]; - }; +var areaStream = { + point: noop, + lineStart: noop, + lineEnd: noop, + polygonStart: function() { + areaRingSum = new d3Array.Adder(); + areaStream.lineStart = areaRingStart; + areaStream.lineEnd = areaRingEnd; + }, + polygonEnd: function() { + var areaRing = +areaRingSum; + areaSum.add(areaRing < 0 ? tau + areaRing : areaRing); + this.lineStart = this.lineEnd = this.point = noop; + }, + sphere: function() { + areaSum.add(tau); + } +}; - projection.angle = function(_) { - return arguments.length ? (alpha = _ % 360 * radians, recenter()) : alpha * degrees; - }; +function areaRingStart() { + areaStream.point = areaPointFirst; +} - projection.reflectX = function(_) { - return arguments.length ? (sx = _ ? -1 : 1, recenter()) : sx < 0; - }; +function areaRingEnd() { + areaPoint(lambda00, phi00); +} - projection.reflectY = function(_) { - return arguments.length ? (sy = _ ? -1 : 1, recenter()) : sy < 0; - }; +function areaPointFirst(lambda, phi) { + areaStream.point = areaPoint; + lambda00 = lambda, phi00 = phi; + lambda *= radians, phi *= radians; + lambda0 = lambda, cosPhi0 = cos(phi = phi / 2 + quarterPi), sinPhi0 = sin(phi); +} - projection.precision = function(_) { - return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt(delta2); - }; +function areaPoint(lambda, phi) { + lambda *= radians, phi *= radians; + phi = phi / 2 + quarterPi; // half the angular distance from south pole - projection.fitExtent = function(extent, object) { - return fitExtent(projection, extent, object); - }; + // Spherical excess E for a spherical triangle with vertices: south pole, + // previous point, current point. Uses a formula derived from Cagnoli’s + // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). + var dLambda = lambda - lambda0, + sdLambda = dLambda >= 0 ? 1 : -1, + adLambda = sdLambda * dLambda, + cosPhi = cos(phi), + sinPhi = sin(phi), + k = sinPhi0 * sinPhi, + u = cosPhi0 * cosPhi + k * cos(adLambda), + v = k * sdLambda * sin(adLambda); + areaRingSum.add(atan2(v, u)); - projection.fitSize = function(size, object) { - return fitSize(projection, size, object); - }; + // Advance the previous points. + lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; +} - projection.fitWidth = function(width, object) { - return fitWidth(projection, width, object); - }; +function area(object) { + areaSum = new d3Array.Adder(); + geoStream(object, areaStream); + return areaSum * 2; +} - projection.fitHeight = function(height, object) { - return fitHeight(projection, height, object); - }; +function spherical(cartesian) { + return [atan2(cartesian[1], cartesian[0]), asin(cartesian[2])]; +} - function recenter() { - var center = scaleTranslateRotate(k, 0, 0, sx, sy, alpha).apply(null, project(lambda, phi)), - transform = scaleTranslateRotate(k, x - center[0], y - center[1], sx, sy, alpha); - rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma); - projectTransform = compose(project, transform); - projectRotateTransform = compose(rotate, projectTransform); - projectResample = resample(projectTransform, delta2); - return reset(); - } +function cartesian(spherical) { + var lambda = spherical[0], phi = spherical[1], cosPhi = cos(phi); + return [cosPhi * cos(lambda), cosPhi * sin(lambda), sin(phi)]; +} - function reset() { - cache = cacheStream = null; - return projection; - } +function cartesianDot(a, b) { + return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; +} - return function() { - project = projectAt.apply(this, arguments); - projection.invert = project.invert && invert; - return recenter(); - }; +function cartesianCross(a, b) { + return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]]; } -function conicProjection(projectAt) { - var phi0 = 0, - phi1 = pi / 3, - m = projectionMutator(projectAt), - p = m(phi0, phi1); +// TODO return a +function cartesianAddInPlace(a, b) { + a[0] += b[0], a[1] += b[1], a[2] += b[2]; +} - p.parallels = function(_) { - return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees, phi1 * degrees]; - }; +function cartesianScale(vector, k) { + return [vector[0] * k, vector[1] * k, vector[2] * k]; +} - return p; +// TODO return d +function cartesianNormalizeInPlace(d) { + var l = sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); + d[0] /= l, d[1] /= l, d[2] /= l; } -function cylindricalEqualAreaRaw(phi0) { - var cosPhi0 = cos(phi0); +var lambda0$1, phi0, lambda1, phi1, // bounds + lambda2, // previous lambda-coordinate + lambda00$1, phi00$1, // first point + p0, // previous 3D point + deltaSum, + ranges, + range; - function forward(lambda, phi) { - return [lambda * cosPhi0, sin(phi) / cosPhi0]; +var boundsStream = { + point: boundsPoint, + lineStart: boundsLineStart, + lineEnd: boundsLineEnd, + polygonStart: function() { + boundsStream.point = boundsRingPoint; + boundsStream.lineStart = boundsRingStart; + boundsStream.lineEnd = boundsRingEnd; + deltaSum = new d3Array.Adder(); + areaStream.polygonStart(); + }, + polygonEnd: function() { + areaStream.polygonEnd(); + boundsStream.point = boundsPoint; + boundsStream.lineStart = boundsLineStart; + boundsStream.lineEnd = boundsLineEnd; + if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); + else if (deltaSum > epsilon) phi1 = 90; + else if (deltaSum < -epsilon) phi0 = -90; + range[0] = lambda0$1, range[1] = lambda1; + }, + sphere: function() { + lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); } +}; - forward.invert = function(x, y) { - return [x / cosPhi0, asin(y * cosPhi0)]; - }; - - return forward; +function boundsPoint(lambda, phi) { + ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; } -function conicEqualAreaRaw(y0, y1) { - var sy0 = sin(y0), n = (sy0 + sin(y1)) / 2; +function linePoint(lambda, phi) { + var p = cartesian([lambda * radians, phi * radians]); + if (p0) { + var normal = cartesianCross(p0, p), + equatorial = [normal[1], -normal[0], 0], + inflection = cartesianCross(equatorial, normal); + cartesianNormalizeInPlace(inflection); + inflection = spherical(inflection); + var delta = lambda - lambda2, + sign = delta > 0 ? 1 : -1, + lambdai = inflection[0] * degrees * sign, + phii, + antimeridian = abs(delta) > 180; + if (antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { + phii = inflection[1] * degrees; + if (phii > phi1) phi1 = phii; + } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { + phii = -inflection[1] * degrees; + if (phii < phi0) phi0 = phii; + } else { + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; + } + if (antimeridian) { + if (lambda < lambda2) { + if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; + } else { + if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; + } + } else { + if (lambda1 >= lambda0$1) { + if (lambda < lambda0$1) lambda0$1 = lambda; + if (lambda > lambda1) lambda1 = lambda; + } else { + if (lambda > lambda2) { + if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; + } else { + if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; + } + } + } + } else { + ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); + } + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; + p0 = p, lambda2 = lambda; +} - // Are the parallels symmetrical around the Equator? - if (abs(n) < epsilon) return cylindricalEqualAreaRaw(y0); +function boundsLineStart() { + boundsStream.point = linePoint; +} - var c = 1 + sy0 * (2 * n - sy0), r0 = sqrt(c) / n; +function boundsLineEnd() { + range[0] = lambda0$1, range[1] = lambda1; + boundsStream.point = boundsPoint; + p0 = null; +} - function project(x, y) { - var r = sqrt(c - 2 * n * sin(y)) / n; - return [r * sin(x *= n), r0 - r * cos(x)]; +function boundsRingPoint(lambda, phi) { + if (p0) { + var delta = lambda - lambda2; + deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); + } else { + lambda00$1 = lambda, phi00$1 = phi; } + areaStream.point(lambda, phi); + linePoint(lambda, phi); +} - project.invert = function(x, y) { - var r0y = r0 - y, - l = atan2(x, abs(r0y)) * sign(r0y); - if (r0y * n < 0) - l -= pi * sign(x) * sign(r0y); - return [l / n, asin((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; - }; - - return project; +function boundsRingStart() { + areaStream.lineStart(); } -function conicEqualArea() { - return conicProjection(conicEqualAreaRaw) - .scale(155.424) - .center([0, 33.6442]); +function boundsRingEnd() { + boundsRingPoint(lambda00$1, phi00$1); + areaStream.lineEnd(); + if (abs(deltaSum) > epsilon) lambda0$1 = -(lambda1 = 180); + range[0] = lambda0$1, range[1] = lambda1; + p0 = null; } -function albers() { - return conicEqualArea() - .parallels([29.5, 45.5]) - .scale(1070) - .translate([480, 250]) - .rotate([96, 0]) - .center([-0.6, 38.7]); +// Finds the left-right distance between two longitudes. +// This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want +// the distance between ±180° to be 360°. +function angle(lambda0, lambda1) { + return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; } -// The projections must have mutually exclusive clip regions on the sphere, -// as this will avoid emitting interleaving lines and polygons. -function multiplex(streams) { - var n = streams.length; - return { - point: function(x, y) { var i = -1; while (++i < n) streams[i].point(x, y); }, - sphere: function() { var i = -1; while (++i < n) streams[i].sphere(); }, - lineStart: function() { var i = -1; while (++i < n) streams[i].lineStart(); }, - lineEnd: function() { var i = -1; while (++i < n) streams[i].lineEnd(); }, - polygonStart: function() { var i = -1; while (++i < n) streams[i].polygonStart(); }, - polygonEnd: function() { var i = -1; while (++i < n) streams[i].polygonEnd(); } - }; +function rangeCompare(a, b) { + return a[0] - b[0]; } -// A composite projection for the United States, configured by default for -// 960×500. The projection also works quite well at 960×600 if you change the -// scale to 1285 and adjust the translate accordingly. The set of standard -// parallels for each region comes from USGS, which is published here: -// http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers -function albersUsa() { - var cache, - cacheStream, - lower48 = albers(), lower48Point, - alaska = conicEqualArea().rotate([154, 0]).center([-2, 58.5]).parallels([55, 65]), alaskaPoint, // EPSG:3338 - hawaii = conicEqualArea().rotate([157, 0]).center([-3, 19.9]).parallels([8, 18]), hawaiiPoint, // ESRI:102007 - point, pointStream = {point: function(x, y) { point = [x, y]; }}; +function rangeContains(range, x) { + return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; +} - function albersUsa(coordinates) { - var x = coordinates[0], y = coordinates[1]; - return point = null, - (lower48Point.point(x, y), point) - || (alaskaPoint.point(x, y), point) - || (hawaiiPoint.point(x, y), point); - } +function bounds(feature) { + var i, n, a, b, merged, deltaMax, delta; - albersUsa.invert = function(coordinates) { - var k = lower48.scale(), - t = lower48.translate(), - x = (coordinates[0] - t[0]) / k, - y = (coordinates[1] - t[1]) / k; - return (y >= 0.120 && y < 0.234 && x >= -0.425 && x < -0.214 ? alaska - : y >= 0.166 && y < 0.234 && x >= -0.214 && x < -0.115 ? hawaii - : lower48).invert(coordinates); - }; + phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); + ranges = []; + geoStream(feature, boundsStream); - albersUsa.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = multiplex([lower48.stream(cacheStream = stream), alaska.stream(stream), hawaii.stream(stream)]); - }; + // First, sort ranges by their minimum longitudes. + if (n = ranges.length) { + ranges.sort(rangeCompare); - albersUsa.precision = function(_) { - if (!arguments.length) return lower48.precision(); - lower48.precision(_), alaska.precision(_), hawaii.precision(_); - return reset(); - }; + // Then, merge any ranges that overlap. + for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { + b = ranges[i]; + if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { + if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; + if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; + } else { + merged.push(a = b); + } + } - albersUsa.scale = function(_) { - if (!arguments.length) return lower48.scale(); - lower48.scale(_), alaska.scale(_ * 0.35), hawaii.scale(_); - return albersUsa.translate(lower48.translate()); - }; + // Finally, find the largest gap between the merged ranges. + // The final bounding box will be the inverse of this gap. + for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { + b = merged[i]; + if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; + } + } - albersUsa.translate = function(_) { - if (!arguments.length) return lower48.translate(); - var k = lower48.scale(), x = +_[0], y = +_[1]; + ranges = range = null; - lower48Point = lower48 - .translate(_) - .clipExtent([[x - 0.455 * k, y - 0.238 * k], [x + 0.455 * k, y + 0.238 * k]]) - .stream(pointStream); + return lambda0$1 === Infinity || phi0 === Infinity + ? [[NaN, NaN], [NaN, NaN]] + : [[lambda0$1, phi0], [lambda1, phi1]]; +} - alaskaPoint = alaska - .translate([x - 0.307 * k, y + 0.201 * k]) - .clipExtent([[x - 0.425 * k + epsilon, y + 0.120 * k + epsilon], [x - 0.214 * k - epsilon, y + 0.234 * k - epsilon]]) - .stream(pointStream); +var W0, W1, + X0, Y0, Z0, + X1, Y1, Z1, + X2, Y2, Z2, + lambda00$2, phi00$2, // first point + x0, y0, z0; // previous point - hawaiiPoint = hawaii - .translate([x - 0.205 * k, y + 0.212 * k]) - .clipExtent([[x - 0.214 * k + epsilon, y + 0.166 * k + epsilon], [x - 0.115 * k - epsilon, y + 0.234 * k - epsilon]]) - .stream(pointStream); - - return reset(); - }; - - albersUsa.fitExtent = function(extent, object) { - return fitExtent(albersUsa, extent, object); - }; - - albersUsa.fitSize = function(size, object) { - return fitSize(albersUsa, size, object); - }; - - albersUsa.fitWidth = function(width, object) { - return fitWidth(albersUsa, width, object); - }; - - albersUsa.fitHeight = function(height, object) { - return fitHeight(albersUsa, height, object); - }; - - function reset() { - cache = cacheStream = null; - return albersUsa; +var centroidStream = { + sphere: noop, + point: centroidPoint, + lineStart: centroidLineStart, + lineEnd: centroidLineEnd, + polygonStart: function() { + centroidStream.lineStart = centroidRingStart; + centroidStream.lineEnd = centroidRingEnd; + }, + polygonEnd: function() { + centroidStream.lineStart = centroidLineStart; + centroidStream.lineEnd = centroidLineEnd; } +}; - return albersUsa.scale(1070); +// Arithmetic mean of Cartesian vectors. +function centroidPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos(phi); + centroidPointCartesian(cosPhi * cos(lambda), cosPhi * sin(lambda), sin(phi)); } -function azimuthalRaw(scale) { - return function(x, y) { - var cx = cos(x), - cy = cos(y), - k = scale(cx * cy); - if (k === Infinity) return [2, 0]; - return [ - k * cy * sin(x), - k * sin(y) - ]; - } +function centroidPointCartesian(x, y, z) { + ++W0; + X0 += (x - X0) / W0; + Y0 += (y - Y0) / W0; + Z0 += (z - Z0) / W0; } -function azimuthalInvert(angle) { - return function(x, y) { - var z = sqrt(x * x + y * y), - c = angle(z), - sc = sin(c), - cc = cos(c); - return [ - atan2(x * sc, z * cc), - asin(z && y * sc / z) - ]; - } +function centroidLineStart() { + centroidStream.point = centroidLinePointFirst; } -var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) { - return sqrt(2 / (1 + cxcy)); -}); - -azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { - return 2 * asin(z / 2); -}); - -function azimuthalEqualArea() { - return projection(azimuthalEqualAreaRaw) - .scale(124.75) - .clipAngle(180 - 1e-3); +function centroidLinePointFirst(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos(phi); + x0 = cosPhi * cos(lambda); + y0 = cosPhi * sin(lambda); + z0 = sin(phi); + centroidStream.point = centroidLinePoint; + centroidPointCartesian(x0, y0, z0); } -var azimuthalEquidistantRaw = azimuthalRaw(function(c) { - return (c = acos(c)) && c / sin(c); -}); - -azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { - return z; -}); - -function azimuthalEquidistant() { - return projection(azimuthalEquidistantRaw) - .scale(79.4188) - .clipAngle(180 - 1e-3); +function centroidLinePoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos(phi), + x = cosPhi * cos(lambda), + y = cosPhi * sin(lambda), + z = sin(phi), + w = atan2(sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); + W1 += w; + X1 += w * (x0 + (x0 = x)); + Y1 += w * (y0 + (y0 = y)); + Z1 += w * (z0 + (z0 = z)); + centroidPointCartesian(x0, y0, z0); } -function mercatorRaw(lambda, phi) { - return [lambda, log(tan((halfPi + phi) / 2))]; +function centroidLineEnd() { + centroidStream.point = centroidPoint; } -mercatorRaw.invert = function(x, y) { - return [x, 2 * atan(exp(y)) - halfPi]; -}; - -function mercator() { - return mercatorProjection(mercatorRaw) - .scale(961 / tau); +// See J. E. Brock, The Inertia Tensor for a Spherical Triangle, +// J. Applied Mechanics 42, 239 (1975). +function centroidRingStart() { + centroidStream.point = centroidRingPointFirst; } -function mercatorProjection(project) { - var m = projection(project), - center = m.center, - scale = m.scale, - translate = m.translate, - clipExtent = m.clipExtent, - x0 = null, y0, x1, y1; // clip extent +function centroidRingEnd() { + centroidRingPoint(lambda00$2, phi00$2); + centroidStream.point = centroidPoint; +} - m.scale = function(_) { - return arguments.length ? (scale(_), reclip()) : scale(); - }; +function centroidRingPointFirst(lambda, phi) { + lambda00$2 = lambda, phi00$2 = phi; + lambda *= radians, phi *= radians; + centroidStream.point = centroidRingPoint; + var cosPhi = cos(phi); + x0 = cosPhi * cos(lambda); + y0 = cosPhi * sin(lambda); + z0 = sin(phi); + centroidPointCartesian(x0, y0, z0); +} - m.translate = function(_) { - return arguments.length ? (translate(_), reclip()) : translate(); - }; +function centroidRingPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos(phi), + x = cosPhi * cos(lambda), + y = cosPhi * sin(lambda), + z = sin(phi), + cx = y0 * z - z0 * y, + cy = z0 * x - x0 * z, + cz = x0 * y - y0 * x, + m = hypot(cx, cy, cz), + w = asin(m), // line weight = angle + v = m && -w / m; // area weight multiplier + X2.add(v * cx); + Y2.add(v * cy); + Z2.add(v * cz); + W1 += w; + X1 += w * (x0 + (x0 = x)); + Y1 += w * (y0 + (y0 = y)); + Z1 += w * (z0 + (z0 = z)); + centroidPointCartesian(x0, y0, z0); +} - m.center = function(_) { - return arguments.length ? (center(_), reclip()) : center(); - }; +function centroid(object) { + W0 = W1 = + X0 = Y0 = Z0 = + X1 = Y1 = Z1 = 0; + X2 = new d3Array.Adder(); + Y2 = new d3Array.Adder(); + Z2 = new d3Array.Adder(); + geoStream(object, centroidStream); - m.clipExtent = function(_) { - return arguments.length ? ((_ == null ? x0 = y0 = x1 = y1 = null : (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1])), reclip()) : x0 == null ? null : [[x0, y0], [x1, y1]]; - }; + var x = +X2, + y = +Y2, + z = +Z2, + m = hypot(x, y, z); - function reclip() { - var k = pi * scale(), - t = m(rotation(m.rotate()).invert([0, 0])); - return clipExtent(x0 == null - ? [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]] : project === mercatorRaw - ? [[Math.max(t[0] - k, x0), y0], [Math.min(t[0] + k, x1), y1]] - : [[x0, Math.max(t[1] - k, y0)], [x1, Math.min(t[1] + k, y1)]]); + // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. + if (m < epsilon2) { + x = X1, y = Y1, z = Z1; + // If the feature has zero length, fall back to arithmetic mean of point vectors. + if (W1 < epsilon) x = X0, y = Y0, z = Z0; + m = hypot(x, y, z); + // If the feature still has an undefined ccentroid, then return. + if (m < epsilon2) return [NaN, NaN]; } - return reclip(); + return [atan2(y, x) * degrees, asin(z / m) * degrees]; } -function tany(y) { - return tan((halfPi + y) / 2); +function constant(x) { + return function() { + return x; + }; } -function conicConformalRaw(y0, y1) { - var cy0 = cos(y0), - n = y0 === y1 ? sin(y0) : log(cy0 / cos(y1)) / log(tany(y1) / tany(y0)), - f = cy0 * pow(tany(y0), n) / n; - - if (!n) return mercatorRaw; +function compose(a, b) { - function project(x, y) { - if (f > 0) { if (y < -halfPi + epsilon) y = -halfPi + epsilon; } - else { if (y > halfPi - epsilon) y = halfPi - epsilon; } - var r = f / pow(tany(y), n); - return [r * sin(n * x), f - r * cos(n * x)]; + function compose(x, y) { + return x = a(x, y), b(x[0], x[1]); } - project.invert = function(x, y) { - var fy = f - y, r = sign(n) * sqrt(x * x + fy * fy), - l = atan2(x, abs(fy)) * sign(fy); - if (fy * n < 0) - l -= pi * sign(x) * sign(fy); - return [l / n, 2 * atan(pow(f / r, 1 / n)) - halfPi]; + if (a.invert && b.invert) compose.invert = function(x, y) { + return x = b.invert(x, y), x && a.invert(x[0], x[1]); }; - return project; + return compose; } -function conicConformal() { - return conicProjection(conicConformalRaw) - .scale(109.5) - .parallels([30, 30]); +function rotationIdentity(lambda, phi) { + return [abs(lambda) > pi ? lambda + Math.round(-lambda / tau) * tau : lambda, phi]; } -function equirectangularRaw(lambda, phi) { - return [lambda, phi]; -} +rotationIdentity.invert = rotationIdentity; -equirectangularRaw.invert = equirectangularRaw; +function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { + return (deltaLambda %= tau) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) + : rotationLambda(deltaLambda)) + : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) + : rotationIdentity); +} -function equirectangular() { - return projection(equirectangularRaw) - .scale(152.63); +function forwardRotationLambda(deltaLambda) { + return function(lambda, phi) { + return lambda += deltaLambda, [lambda > pi ? lambda - tau : lambda < -pi ? lambda + tau : lambda, phi]; + }; } -function conicEquidistantRaw(y0, y1) { - var cy0 = cos(y0), - n = y0 === y1 ? sin(y0) : (cy0 - cos(y1)) / (y1 - y0), - g = cy0 / n + y0; +function rotationLambda(deltaLambda) { + var rotation = forwardRotationLambda(deltaLambda); + rotation.invert = forwardRotationLambda(-deltaLambda); + return rotation; +} - if (abs(n) < epsilon) return equirectangularRaw; +function rotationPhiGamma(deltaPhi, deltaGamma) { + var cosDeltaPhi = cos(deltaPhi), + sinDeltaPhi = sin(deltaPhi), + cosDeltaGamma = cos(deltaGamma), + sinDeltaGamma = sin(deltaGamma); - function project(x, y) { - var gy = g - y, nx = n * x; - return [gy * sin(nx), g - gy * cos(nx)]; + function rotation(lambda, phi) { + var cosPhi = cos(phi), + x = cos(lambda) * cosPhi, + y = sin(lambda) * cosPhi, + z = sin(phi), + k = z * cosDeltaPhi + x * sinDeltaPhi; + return [ + atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), + asin(k * cosDeltaGamma + y * sinDeltaGamma) + ]; } - project.invert = function(x, y) { - var gy = g - y, - l = atan2(x, abs(gy)) * sign(gy); - if (gy * n < 0) - l -= pi * sign(x) * sign(gy); - return [l / n, g - sign(n) * sqrt(x * x + gy * gy)]; + rotation.invert = function(lambda, phi) { + var cosPhi = cos(phi), + x = cos(lambda) * cosPhi, + y = sin(lambda) * cosPhi, + z = sin(phi), + k = z * cosDeltaGamma - y * sinDeltaGamma; + return [ + atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), + asin(k * cosDeltaPhi - x * sinDeltaPhi) + ]; }; - return project; -} - -function conicEquidistant() { - return conicProjection(conicEquidistantRaw) - .scale(131.154) - .center([0, 13.9389]); + return rotation; } -var A1 = 1.340264, - A2 = -0.081106, - A3 = 0.000893, - A4 = 0.003796, - M = sqrt(3) / 2, - iterations = 12; - -function equalEarthRaw(lambda, phi) { - var l = asin(M * sin(phi)), l2 = l * l, l6 = l2 * l2 * l2; - return [ - lambda * cos(l) / (M * (A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2))), - l * (A1 + A2 * l2 + l6 * (A3 + A4 * l2)) - ]; -} +function rotation(rotate) { + rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); -equalEarthRaw.invert = function(x, y) { - var l = y, l2 = l * l, l6 = l2 * l2 * l2; - for (var i = 0, delta, fy, fpy; i < iterations; ++i) { - fy = l * (A1 + A2 * l2 + l6 * (A3 + A4 * l2)) - y; - fpy = A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2); - l -= delta = fy / fpy, l2 = l * l, l6 = l2 * l2 * l2; - if (abs(delta) < epsilon2) break; + function forward(coordinates) { + coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); + return coordinates[0] *= degrees, coordinates[1] *= degrees, coordinates; } - return [ - M * x * (A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2)) / cos(l), - asin(sin(l) / M) - ]; -}; -function equalEarth() { - return projection(equalEarthRaw) - .scale(177.158); -} + forward.invert = function(coordinates) { + coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); + return coordinates[0] *= degrees, coordinates[1] *= degrees, coordinates; + }; -function gnomonicRaw(x, y) { - var cy = cos(y), k = cos(x) * cy; - return [cy * sin(x) / k, sin(y) / k]; + return forward; } -gnomonicRaw.invert = azimuthalInvert(atan); +// Generates a circle centered at [0°, 0°], with a given radius and precision. +function circleStream(stream, radius, delta, direction, t0, t1) { + if (!delta) return; + var cosRadius = cos(radius), + sinRadius = sin(radius), + step = direction * delta; + if (t0 == null) { + t0 = radius + direction * tau; + t1 = radius - step / 2; + } else { + t0 = circleRadius(cosRadius, t0); + t1 = circleRadius(cosRadius, t1); + if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau; + } + for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { + point = spherical([cosRadius, -sinRadius * cos(t), -sinRadius * sin(t)]); + stream.point(point[0], point[1]); + } +} -function gnomonic() { - return projection(gnomonicRaw) - .scale(144.049) - .clipAngle(60); +// Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. +function circleRadius(cosRadius, point) { + point = cartesian(point), point[0] -= cosRadius; + cartesianNormalizeInPlace(point); + var radius = acos(-point[1]); + return ((-point[2] < 0 ? -radius : radius) + tau - epsilon) % tau; } -function identity$1() { - var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, // scale, translate and reflect - alpha = 0, ca, sa, // angle - x0 = null, y0, x1, y1, // clip extent - kx = 1, ky = 1, - transform = transformer({ - point: function(x, y) { - var p = projection([x, y]); - this.stream.point(p[0], p[1]); - } - }), - postclip = identity, - cache, - cacheStream; +function circle() { + var center = constant([0, 0]), + radius = constant(90), + precision = constant(6), + ring, + rotate, + stream = {point: point}; - function reset() { - kx = k * sx; - ky = k * sy; - cache = cacheStream = null; - return projection; + function point(x, y) { + ring.push(x = rotate(x, y)); + x[0] *= degrees, x[1] *= degrees; } - function projection (p) { - var x = p[0] * kx, y = p[1] * ky; - if (alpha) { - var t = y * ca - x * sa; - x = x * ca + y * sa; - y = t; - } - return [x + tx, y + ty]; + function circle() { + var c = center.apply(this, arguments), + r = radius.apply(this, arguments) * radians, + p = precision.apply(this, arguments) * radians; + ring = []; + rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; + circleStream(stream, r, p, 1); + c = {type: "Polygon", coordinates: [ring]}; + ring = rotate = null; + return c; } - projection.invert = function(p) { - var x = p[0] - tx, y = p[1] - ty; - if (alpha) { - var t = y * ca + x * sa; - x = x * ca - y * sa; - y = t; - } - return [x / kx, y / ky]; - }; - projection.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = transform(postclip(cacheStream = stream)); - }; - projection.postclip = function(_) { - return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; - }; - projection.clipExtent = function(_) { - return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; - }; - projection.scale = function(_) { - return arguments.length ? (k = +_, reset()) : k; - }; - projection.translate = function(_) { - return arguments.length ? (tx = +_[0], ty = +_[1], reset()) : [tx, ty]; - }; - projection.angle = function(_) { - return arguments.length ? (alpha = _ % 360 * radians, sa = sin(alpha), ca = cos(alpha), reset()) : alpha * degrees; - }; - projection.reflectX = function(_) { - return arguments.length ? (sx = _ ? -1 : 1, reset()) : sx < 0; - }; - projection.reflectY = function(_) { - return arguments.length ? (sy = _ ? -1 : 1, reset()) : sy < 0; - }; - projection.fitExtent = function(extent, object) { - return fitExtent(projection, extent, object); - }; - projection.fitSize = function(size, object) { - return fitSize(projection, size, object); - }; - projection.fitWidth = function(width, object) { - return fitWidth(projection, width, object); + + circle.center = function(_) { + return arguments.length ? (center = typeof _ === "function" ? _ : constant([+_[0], +_[1]]), circle) : center; }; - projection.fitHeight = function(height, object) { - return fitHeight(projection, height, object); + + circle.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant(+_), circle) : radius; }; - return projection; -} + circle.precision = function(_) { + return arguments.length ? (precision = typeof _ === "function" ? _ : constant(+_), circle) : precision; + }; -function naturalEarth1Raw(lambda, phi) { - var phi2 = phi * phi, phi4 = phi2 * phi2; - return [ - lambda * (0.8707 - 0.131979 * phi2 + phi4 * (-0.013791 + phi4 * (0.003971 * phi2 - 0.001529 * phi4))), - phi * (1.007226 + phi2 * (0.015085 + phi4 * (-0.044475 + 0.028874 * phi2 - 0.005916 * phi4))) - ]; + return circle; } -naturalEarth1Raw.invert = function(x, y) { - var phi = y, i = 25, delta; - do { - var phi2 = phi * phi, phi4 = phi2 * phi2; - phi -= delta = (phi * (1.007226 + phi2 * (0.015085 + phi4 * (-0.044475 + 0.028874 * phi2 - 0.005916 * phi4))) - y) / - (1.007226 + phi2 * (0.015085 * 3 + phi4 * (-0.044475 * 7 + 0.028874 * 9 * phi2 - 0.005916 * 11 * phi4))); - } while (abs(delta) > epsilon && --i > 0); - return [ - x / (0.8707 + (phi2 = phi * phi) * (-0.131979 + phi2 * (-0.013791 + phi2 * phi2 * phi2 * (0.003971 - 0.001529 * phi2)))), - phi - ]; -}; - -function naturalEarth1() { - return projection(naturalEarth1Raw) - .scale(175.295); -} - -function orthographicRaw(x, y) { - return [cos(y) * sin(x), sin(y)]; -} - -orthographicRaw.invert = azimuthalInvert(asin); - -function orthographic() { - return projection(orthographicRaw) - .scale(249.5) - .clipAngle(90 + epsilon); -} - -function stereographicRaw(x, y) { - var cy = cos(y), k = 1 + cos(x) * cy; - return [cy * sin(x) / k, sin(y) / k]; +function clipBuffer() { + var lines = [], + line; + return { + point: function(x, y, m) { + line.push([x, y, m]); + }, + lineStart: function() { + lines.push(line = []); + }, + lineEnd: noop, + rejoin: function() { + if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); + }, + result: function() { + var result = lines; + lines = []; + line = null; + return result; + } + }; } -stereographicRaw.invert = azimuthalInvert(function(z) { - return 2 * atan(z); -}); - -function stereographic() { - return projection(stereographicRaw) - .scale(250) - .clipAngle(142); +function pointEqual(a, b) { + return abs(a[0] - b[0]) < epsilon && abs(a[1] - b[1]) < epsilon; } -function transverseMercatorRaw(lambda, phi) { - return [log(tan((halfPi + phi) / 2)), -lambda]; +function Intersection(point, points, other, entry) { + this.x = point; + this.z = points; + this.o = other; // another intersection + this.e = entry; // is an entry? + this.v = false; // visited + this.n = this.p = null; // next & previous } -transverseMercatorRaw.invert = function(x, y) { - return [-y, 2 * atan(exp(x)) - halfPi]; -}; - -function transverseMercator() { - var m = mercatorProjection(transverseMercatorRaw), - center = m.center, - rotate = m.rotate; +// A generalized polygon clipping algorithm: given a polygon that has been cut +// into its visible line segments, and rejoins the segments by interpolating +// along the clip edge. +function clipRejoin(segments, compareIntersection, startInside, interpolate, stream) { + var subject = [], + clip = [], + i, + n; - m.center = function(_) { - return arguments.length ? center([-_[1], _[0]]) : (_ = center(), [_[1], -_[0]]); - }; + segments.forEach(function(segment) { + if ((n = segment.length - 1) <= 0) return; + var n, p0 = segment[0], p1 = segment[n], x; - m.rotate = function(_) { - return arguments.length ? rotate([_[0], _[1], _.length > 2 ? _[2] + 90 : 90]) : (_ = rotate(), [_[0], _[1], _[2] - 90]); - }; + if (pointEqual(p0, p1)) { + if (!p0[2] && !p1[2]) { + stream.lineStart(); + for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); + stream.lineEnd(); + return; + } + // handle degenerate cases by moving the point + p1[0] += 2 * epsilon; + } - return rotate([0, 0, 90]) - .scale(159.155); -} + subject.push(x = new Intersection(p0, segment, null, true)); + clip.push(x.o = new Intersection(p0, null, x, false)); + subject.push(x = new Intersection(p1, segment, null, false)); + clip.push(x.o = new Intersection(p1, null, x, true)); + }); -exports.geoAlbers = albers; -exports.geoAlbersUsa = albersUsa; -exports.geoArea = area; -exports.geoAzimuthalEqualArea = azimuthalEqualArea; -exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; -exports.geoAzimuthalEquidistant = azimuthalEquidistant; -exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; -exports.geoBounds = bounds; -exports.geoCentroid = centroid; -exports.geoCircle = circle; -exports.geoClipAntimeridian = clipAntimeridian; -exports.geoClipCircle = clipCircle; -exports.geoClipExtent = extent; -exports.geoClipRectangle = clipRectangle; -exports.geoConicConformal = conicConformal; -exports.geoConicConformalRaw = conicConformalRaw; -exports.geoConicEqualArea = conicEqualArea; -exports.geoConicEqualAreaRaw = conicEqualAreaRaw; -exports.geoConicEquidistant = conicEquidistant; -exports.geoConicEquidistantRaw = conicEquidistantRaw; -exports.geoContains = contains; -exports.geoDistance = distance; -exports.geoEqualEarth = equalEarth; -exports.geoEqualEarthRaw = equalEarthRaw; -exports.geoEquirectangular = equirectangular; -exports.geoEquirectangularRaw = equirectangularRaw; -exports.geoGnomonic = gnomonic; -exports.geoGnomonicRaw = gnomonicRaw; -exports.geoGraticule = graticule; -exports.geoGraticule10 = graticule10; -exports.geoIdentity = identity$1; -exports.geoInterpolate = interpolate; -exports.geoLength = length; -exports.geoMercator = mercator; -exports.geoMercatorRaw = mercatorRaw; -exports.geoNaturalEarth1 = naturalEarth1; -exports.geoNaturalEarth1Raw = naturalEarth1Raw; -exports.geoOrthographic = orthographic; -exports.geoOrthographicRaw = orthographicRaw; -exports.geoPath = index; -exports.geoProjection = projection; -exports.geoProjectionMutator = projectionMutator; -exports.geoRotation = rotation; -exports.geoStereographic = stereographic; -exports.geoStereographicRaw = stereographicRaw; -exports.geoStream = geoStream; -exports.geoTransform = transform; -exports.geoTransverseMercator = transverseMercator; -exports.geoTransverseMercatorRaw = transverseMercatorRaw; + if (!subject.length) return; -Object.defineProperty(exports, '__esModule', { value: true }); + clip.sort(compareIntersection); + link(subject); + link(clip); -})); -}); + for (i = 0, n = clip.length; i < n; ++i) { + clip[i].e = startInside = !startInside; + } -var d3Hierarchy = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-hierarchy/ v2.0.0 Copyright 2020 Mike Bostock -(function (global, factory) { -factory(exports) ; -}(commonjsGlobal, function (exports) { -function defaultSeparation(a, b) { - return a.parent === b.parent ? 1 : 2; -} + var start = subject[0], + points, + point; -function meanX(children) { - return children.reduce(meanXReduce, 0) / children.length; + while (1) { + // Find first unvisited intersection. + var current = start, + isSubject = true; + while (current.v) if ((current = current.n) === start) return; + points = current.z; + stream.lineStart(); + do { + current.v = current.o.v = true; + if (current.e) { + if (isSubject) { + for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.n.x, 1, stream); + } + current = current.n; + } else { + if (isSubject) { + points = current.p.z; + for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.p.x, -1, stream); + } + current = current.p; + } + current = current.o; + points = current.z; + isSubject = !isSubject; + } while (!current.v); + stream.lineEnd(); + } } -function meanXReduce(x, c) { - return x + c.x; +function link(array) { + if (!(n = array.length)) return; + var n, + i = 0, + a = array[0], + b; + while (++i < n) { + a.n = b = array[i]; + b.p = a; + a = b; + } + a.n = b = array[0]; + b.p = a; } -function maxY(children) { - return 1 + children.reduce(maxYReduce, 0); +function longitude(point) { + if (abs(point[0]) <= pi) + return point[0]; + else + return sign(point[0]) * ((abs(point[0]) + pi) % tau - pi); } -function maxYReduce(y, c) { - return Math.max(y, c.y); -} +function polygonContains(polygon, point) { + var lambda = longitude(point), + phi = point[1], + sinPhi = sin(phi), + normal = [sin(lambda), -cos(lambda), 0], + angle = 0, + winding = 0; -function leafLeft(node) { - var children; - while (children = node.children) node = children[0]; - return node; -} + var sum = new d3Array.Adder(); -function leafRight(node) { - var children; - while (children = node.children) node = children[children.length - 1]; - return node; -} + if (sinPhi === 1) phi = halfPi + epsilon; + else if (sinPhi === -1) phi = -halfPi - epsilon; -function cluster() { - var separation = defaultSeparation, - dx = 1, - dy = 1, - nodeSize = false; + for (var i = 0, n = polygon.length; i < n; ++i) { + if (!(m = (ring = polygon[i]).length)) continue; + var ring, + m, + point0 = ring[m - 1], + lambda0 = longitude(point0), + phi0 = point0[1] / 2 + quarterPi, + sinPhi0 = sin(phi0), + cosPhi0 = cos(phi0); - function cluster(root) { - var previousNode, - x = 0; + for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { + var point1 = ring[j], + lambda1 = longitude(point1), + phi1 = point1[1] / 2 + quarterPi, + sinPhi1 = sin(phi1), + cosPhi1 = cos(phi1), + delta = lambda1 - lambda0, + sign = delta >= 0 ? 1 : -1, + absDelta = sign * delta, + antimeridian = absDelta > pi, + k = sinPhi0 * sinPhi1; - // First walk, computing the initial x & y values. - root.eachAfter(function(node) { - var children = node.children; - if (children) { - node.x = meanX(children); - node.y = maxY(children); - } else { - node.x = previousNode ? x += separation(node, previousNode) : 0; - node.y = 0; - previousNode = node; + sum.add(atan2(k * sign * sin(absDelta), cosPhi0 * cosPhi1 + k * cos(absDelta))); + angle += antimeridian ? delta + sign * tau : delta; + + // Are the longitudes either side of the point’s meridian (lambda), + // and are the latitudes smaller than the parallel (phi)? + if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { + var arc = cartesianCross(cartesian(point0), cartesian(point1)); + cartesianNormalizeInPlace(arc); + var intersection = cartesianCross(normal, arc); + cartesianNormalizeInPlace(intersection); + var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin(intersection[2]); + if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { + winding += antimeridian ^ delta >= 0 ? 1 : -1; + } } - }); + } + } - var left = leafLeft(root), - right = leafRight(root), - x0 = left.x - separation(left, right) / 2, - x1 = right.x + separation(right, left) / 2; + // First, determine whether the South pole is inside or outside: + // + // It is inside if: + // * the polygon winds around it in a clockwise direction. + // * the polygon does not (cumulatively) wind around it, but has a negative + // (counter-clockwise) area. + // + // Second, count the (signed) number of times a segment crosses a lambda + // from the point to the South pole. If it is zero, then the point is the + // same side as the South pole. - // Second walk, normalizing x & y to the desired size. - return root.eachAfter(nodeSize ? function(node) { - node.x = (node.x - root.x) * dx; - node.y = (root.y - node.y) * dy; - } : function(node) { - node.x = (node.x - x0) / (x1 - x0) * dx; - node.y = (1 - (root.y ? node.y / root.y : 1)) * dy; - }); - } + return (angle < -epsilon || angle < epsilon && sum < -epsilon2) ^ (winding & 1); +} - cluster.separation = function(x) { - return arguments.length ? (separation = x, cluster) : separation; - }; +function clip(pointVisible, clipLine, interpolate, start) { + return function(sink) { + var line = clipLine(sink), + ringBuffer = clipBuffer(), + ringSink = clipLine(ringBuffer), + polygonStarted = false, + polygon, + segments, + ring; - cluster.size = function(x) { - return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? null : [dx, dy]); - }; + var clip = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + clip.point = pointRing; + clip.lineStart = ringStart; + clip.lineEnd = ringEnd; + segments = []; + polygon = []; + }, + polygonEnd: function() { + clip.point = point; + clip.lineStart = lineStart; + clip.lineEnd = lineEnd; + segments = d3Array.merge(segments); + var startInside = polygonContains(polygon, start); + if (segments.length) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + clipRejoin(segments, compareIntersection, startInside, interpolate, sink); + } else if (startInside) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); + } + if (polygonStarted) sink.polygonEnd(), polygonStarted = false; + segments = polygon = null; + }, + sphere: function() { + sink.polygonStart(); + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); + sink.polygonEnd(); + } + }; - cluster.nodeSize = function(x) { - return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? [dx, dy] : null); - }; + function point(lambda, phi) { + if (pointVisible(lambda, phi)) sink.point(lambda, phi); + } - return cluster; -} + function pointLine(lambda, phi) { + line.point(lambda, phi); + } -function count(node) { - var sum = 0, - children = node.children, - i = children && children.length; - if (!i) sum = 1; - else while (--i >= 0) sum += children[i].value; - node.value = sum; -} + function lineStart() { + clip.point = pointLine; + line.lineStart(); + } -function node_count() { - return this.eachAfter(count); -} + function lineEnd() { + clip.point = point; + line.lineEnd(); + } -function node_each(callback, that) { - let index = -1; - for (const node of this) { - callback.call(that, node, ++index, this); - } - return this; -} + function pointRing(lambda, phi) { + ring.push([lambda, phi]); + ringSink.point(lambda, phi); + } -function node_eachBefore(callback, that) { - var node = this, nodes = [node], children, i, index = -1; - while (node = nodes.pop()) { - callback.call(that, node, ++index, this); - if (children = node.children) { - for (i = children.length - 1; i >= 0; --i) { - nodes.push(children[i]); - } + function ringStart() { + ringSink.lineStart(); + ring = []; } - } - return this; -} -function node_eachAfter(callback, that) { - var node = this, nodes = [node], next = [], children, i, n, index = -1; - while (node = nodes.pop()) { - next.push(node); - if (children = node.children) { - for (i = 0, n = children.length; i < n; ++i) { - nodes.push(children[i]); + function ringEnd() { + pointRing(ring[0][0], ring[0][1]); + ringSink.lineEnd(); + + var clean = ringSink.clean(), + ringSegments = ringBuffer.result(), + i, n = ringSegments.length, m, + segment, + point; + + ring.pop(); + polygon.push(ring); + ring = null; + + if (!n) return; + + // No intersections. + if (clean & 1) { + segment = ringSegments[0]; + if ((m = segment.length - 1) > 0) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); + sink.lineEnd(); + } + return; } - } - } - while (node = next.pop()) { - callback.call(that, node, ++index, this); - } - return this; -} -function node_find(callback, that) { - let index = -1; - for (const node of this) { - if (callback.call(that, node, ++index, this)) { - return node; + // Rejoin connected segments. + // TODO reuse ringBuffer.rejoin()? + if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); + + segments.push(ringSegments.filter(validSegment)); } - } -} -function node_sum(value) { - return this.eachAfter(function(node) { - var sum = +value(node.data) || 0, - children = node.children, - i = children && children.length; - while (--i >= 0) sum += children[i].value; - node.value = sum; - }); + return clip; + }; } -function node_sort(compare) { - return this.eachBefore(function(node) { - if (node.children) { - node.children.sort(compare); - } - }); +function validSegment(segment) { + return segment.length > 1; } -function node_path(end) { - var start = this, - ancestor = leastCommonAncestor(start, end), - nodes = [start]; - while (start !== ancestor) { - start = start.parent; - nodes.push(start); - } - var k = nodes.length; - while (end !== ancestor) { - nodes.splice(k, 0, end); - end = end.parent; - } - return nodes; -} - -function leastCommonAncestor(a, b) { - if (a === b) return a; - var aNodes = a.ancestors(), - bNodes = b.ancestors(), - c = null; - a = aNodes.pop(); - b = bNodes.pop(); - while (a === b) { - c = a; - a = aNodes.pop(); - b = bNodes.pop(); - } - return c; -} - -function node_ancestors() { - var node = this, nodes = [node]; - while (node = node.parent) { - nodes.push(node); - } - return nodes; -} - -function node_descendants() { - return Array.from(this); -} - -function node_leaves() { - var leaves = []; - this.eachBefore(function(node) { - if (!node.children) { - leaves.push(node); - } - }); - return leaves; -} - -function node_links() { - var root = this, links = []; - root.each(function(node) { - if (node !== root) { // Don’t include the root’s parent, if any. - links.push({source: node.parent, target: node}); - } - }); - return links; -} - -function* node_iterator() { - var node = this, current, next = [node], children, i, n; - do { - current = next.reverse(), next = []; - while (node = current.pop()) { - yield node; - if (children = node.children) { - for (i = 0, n = children.length; i < n; ++i) { - next.push(children[i]); - } - } - } - } while (next.length); +// Intersections are sorted along the clip edge. For both antimeridian cutting +// and circle clipping, the same comparison is used. +function compareIntersection(a, b) { + return ((a = a.x)[0] < 0 ? a[1] - halfPi - epsilon : halfPi - a[1]) + - ((b = b.x)[0] < 0 ? b[1] - halfPi - epsilon : halfPi - b[1]); } -function hierarchy(data, children) { - if (data instanceof Map) { - data = [undefined, data]; - if (children === undefined) children = mapChildren; - } else if (children === undefined) { - children = objectChildren; - } +var clipAntimeridian = clip( + function() { return true; }, + clipAntimeridianLine, + clipAntimeridianInterpolate, + [-pi, -halfPi] +); - var root = new Node(data), - node, - nodes = [root], - child, - childs, - i, - n; +// Takes a line and cuts into visible segments. Return values: 0 - there were +// intersections or the line was empty; 1 - no intersections; 2 - there were +// intersections, and the first and last segments should be rejoined. +function clipAntimeridianLine(stream) { + var lambda0 = NaN, + phi0 = NaN, + sign0 = NaN, + clean; // no intersections - while (node = nodes.pop()) { - if ((childs = children(node.data)) && (n = (childs = Array.from(childs)).length)) { - node.children = childs; - for (i = n - 1; i >= 0; --i) { - nodes.push(child = childs[i] = new Node(childs[i])); - child.parent = node; - child.depth = node.depth + 1; + return { + lineStart: function() { + stream.lineStart(); + clean = 1; + }, + point: function(lambda1, phi1) { + var sign1 = lambda1 > 0 ? pi : -pi, + delta = abs(lambda1 - lambda0); + if (abs(delta - pi) < epsilon) { // line crosses a pole + stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi : -halfPi); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + stream.point(lambda1, phi0); + clean = 0; + } else if (sign0 !== sign1 && delta >= pi) { // line crosses antimeridian + if (abs(lambda0 - sign0) < epsilon) lambda0 -= sign0 * epsilon; // handle degeneracies + if (abs(lambda1 - sign1) < epsilon) lambda1 -= sign1 * epsilon; + phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + clean = 0; } + stream.point(lambda0 = lambda1, phi0 = phi1); + sign0 = sign1; + }, + lineEnd: function() { + stream.lineEnd(); + lambda0 = phi0 = NaN; + }, + clean: function() { + return 2 - clean; // if intersections, rejoin first and last segments } - } - - return root.eachBefore(computeHeight); -} - -function node_copy() { - return hierarchy(this).eachBefore(copyData); -} - -function objectChildren(d) { - return d.children; -} - -function mapChildren(d) { - return Array.isArray(d) ? d[1] : null; -} - -function copyData(node) { - if (node.data.value !== undefined) node.value = node.data.value; - node.data = node.data.data; -} - -function computeHeight(node) { - var height = 0; - do node.height = height; - while ((node = node.parent) && (node.height < ++height)); + }; } -function Node(data) { - this.data = data; - this.depth = - this.height = 0; - this.parent = null; +function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { + var cosPhi0, + cosPhi1, + sinLambda0Lambda1 = sin(lambda0 - lambda1); + return abs(sinLambda0Lambda1) > epsilon + ? atan((sin(phi0) * (cosPhi1 = cos(phi1)) * sin(lambda1) + - sin(phi1) * (cosPhi0 = cos(phi0)) * sin(lambda0)) + / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) + : (phi0 + phi1) / 2; } -Node.prototype = hierarchy.prototype = { - constructor: Node, - count: node_count, - each: node_each, - eachAfter: node_eachAfter, - eachBefore: node_eachBefore, - find: node_find, - sum: node_sum, - sort: node_sort, - path: node_path, - ancestors: node_ancestors, - descendants: node_descendants, - leaves: node_leaves, - links: node_links, - copy: node_copy, - [Symbol.iterator]: node_iterator -}; - -function array(x) { - return typeof x === "object" && "length" in x - ? x // Array, TypedArray, NodeList, array-like - : Array.from(x); // Map, Set, iterable, string, or anything else +function clipAntimeridianInterpolate(from, to, direction, stream) { + var phi; + if (from == null) { + phi = direction * halfPi; + stream.point(-pi, phi); + stream.point(0, phi); + stream.point(pi, phi); + stream.point(pi, 0); + stream.point(pi, -phi); + stream.point(0, -phi); + stream.point(-pi, -phi); + stream.point(-pi, 0); + stream.point(-pi, phi); + } else if (abs(from[0] - to[0]) > epsilon) { + var lambda = from[0] < to[0] ? pi : -pi; + phi = direction * lambda / 2; + stream.point(-lambda, phi); + stream.point(0, phi); + stream.point(lambda, phi); + } else { + stream.point(to[0], to[1]); + } } -function shuffle(array) { - var m = array.length, - t, - i; +function clipCircle(radius) { + var cr = cos(radius), + delta = 6 * radians, + smallRadius = cr > 0, + notHemisphere = abs(cr) > epsilon; // TODO optimise for this common case - while (m) { - i = Math.random() * m-- | 0; - t = array[m]; - array[m] = array[i]; - array[i] = t; + function interpolate(from, to, direction, stream) { + circleStream(stream, radius, delta, direction, from, to); } - return array; -} + function visible(lambda, phi) { + return cos(lambda) * cos(phi) > cr; + } -function enclose(circles) { - var i = 0, n = (circles = shuffle(Array.from(circles))).length, B = [], p, e; - - while (i < n) { - p = circles[i]; - if (e && enclosesWeak(e, p)) ++i; - else e = encloseBasis(B = extendBasis(B, p)), i = 0; + // Takes a line and cuts into visible segments. Return values used for polygon + // clipping: 0 - there were intersections or the line was empty; 1 - no + // intersections 2 - there were intersections, and the first and last segments + // should be rejoined. + function clipLine(stream) { + var point0, // previous point + c0, // code for previous point + v0, // visibility of previous point + v00, // visibility of first point + clean; // no intersections + return { + lineStart: function() { + v00 = v0 = false; + clean = 1; + }, + point: function(lambda, phi) { + var point1 = [lambda, phi], + point2, + v = visible(lambda, phi), + c = smallRadius + ? v ? 0 : code(lambda, phi) + : v ? code(lambda + (lambda < 0 ? pi : -pi), phi) : 0; + if (!point0 && (v00 = v0 = v)) stream.lineStart(); + if (v !== v0) { + point2 = intersect(point0, point1); + if (!point2 || pointEqual(point0, point2) || pointEqual(point1, point2)) + point1[2] = 1; + } + if (v !== v0) { + clean = 0; + if (v) { + // outside going in + stream.lineStart(); + point2 = intersect(point1, point0); + stream.point(point2[0], point2[1]); + } else { + // inside going out + point2 = intersect(point0, point1); + stream.point(point2[0], point2[1], 2); + stream.lineEnd(); + } + point0 = point2; + } else if (notHemisphere && point0 && smallRadius ^ v) { + var t; + // If the codes for two points are different, or are both zero, + // and there this segment intersects with the small circle. + if (!(c & c0) && (t = intersect(point1, point0, true))) { + clean = 0; + if (smallRadius) { + stream.lineStart(); + stream.point(t[0][0], t[0][1]); + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); + } else { + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); + stream.lineStart(); + stream.point(t[0][0], t[0][1], 3); + } + } + } + if (v && (!point0 || !pointEqual(point0, point1))) { + stream.point(point1[0], point1[1]); + } + point0 = point1, v0 = v, c0 = c; + }, + lineEnd: function() { + if (v0) stream.lineEnd(); + point0 = null; + }, + // Rejoin first and last segments if there were intersections and the first + // and last points were visible. + clean: function() { + return clean | ((v00 && v0) << 1); + } + }; } - return e; -} + // Intersects the great circle between a and b with the clip circle. + function intersect(a, b, two) { + var pa = cartesian(a), + pb = cartesian(b); -function extendBasis(B, p) { - var i, j; + // We have two planes, n1.p = d1 and n2.p = d2. + // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). + var n1 = [1, 0, 0], // normal + n2 = cartesianCross(pa, pb), + n2n2 = cartesianDot(n2, n2), + n1n2 = n2[0], // cartesianDot(n1, n2), + determinant = n2n2 - n1n2 * n1n2; - if (enclosesWeakAll(p, B)) return [p]; + // Two polar points. + if (!determinant) return !two && a; - // If we get here then B must have at least one element. - for (i = 0; i < B.length; ++i) { - if (enclosesNot(p, B[i]) - && enclosesWeakAll(encloseBasis2(B[i], p), B)) { - return [B[i], p]; + var c1 = cr * n2n2 / determinant, + c2 = -cr * n1n2 / determinant, + n1xn2 = cartesianCross(n1, n2), + A = cartesianScale(n1, c1), + B = cartesianScale(n2, c2); + cartesianAddInPlace(A, B); + + // Solve |p(t)|^2 = 1. + var u = n1xn2, + w = cartesianDot(A, u), + uu = cartesianDot(u, u), + t2 = w * w - uu * (cartesianDot(A, A) - 1); + + if (t2 < 0) return; + + var t = sqrt(t2), + q = cartesianScale(u, (-w - t) / uu); + cartesianAddInPlace(q, A); + q = spherical(q); + + if (!two) return q; + + // Two intersection points. + var lambda0 = a[0], + lambda1 = b[0], + phi0 = a[1], + phi1 = b[1], + z; + + if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; + + var delta = lambda1 - lambda0, + polar = abs(delta - pi) < epsilon, + meridian = polar || delta < epsilon; + + if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; + + // Check that the first point is between a and b. + if (meridian + ? polar + ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon ? phi0 : phi1) + : phi0 <= q[1] && q[1] <= phi1 + : delta > pi ^ (lambda0 <= q[0] && q[0] <= lambda1)) { + var q1 = cartesianScale(u, (-w + t) / uu); + cartesianAddInPlace(q1, A); + return [q, spherical(q1)]; } } - // If we get here then B must have at least two elements. - for (i = 0; i < B.length - 1; ++i) { - for (j = i + 1; j < B.length; ++j) { - if (enclosesNot(encloseBasis2(B[i], B[j]), p) - && enclosesNot(encloseBasis2(B[i], p), B[j]) - && enclosesNot(encloseBasis2(B[j], p), B[i]) - && enclosesWeakAll(encloseBasis3(B[i], B[j], p), B)) { - return [B[i], B[j], p]; - } - } + // Generates a 4-bit vector representing the location of a point relative to + // the small circle's bounding box. + function code(lambda, phi) { + var r = smallRadius ? radius : pi - radius, + code = 0; + if (lambda < -r) code |= 1; // left + else if (lambda > r) code |= 2; // right + if (phi < -r) code |= 4; // below + else if (phi > r) code |= 8; // above + return code; } - // If we get here then something is very wrong. - throw new Error; + return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi, radius - pi]); } -function enclosesNot(a, b) { - var dr = a.r - b.r, dx = b.x - a.x, dy = b.y - a.y; - return dr < 0 || dr * dr < dx * dx + dy * dy; -} +function clipLine(a, b, x0, y0, x1, y1) { + var ax = a[0], + ay = a[1], + bx = b[0], + by = b[1], + t0 = 0, + t1 = 1, + dx = bx - ax, + dy = by - ay, + r; -function enclosesWeak(a, b) { - var dr = a.r - b.r + Math.max(a.r, b.r, 1) * 1e-9, dx = b.x - a.x, dy = b.y - a.y; - return dr > 0 && dr * dr > dx * dx + dy * dy; -} + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } -function enclosesWeakAll(a, B) { - for (var i = 0; i < B.length; ++i) { - if (!enclosesWeak(a, B[i])) { - return false; - } + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; } - return true; -} -function encloseBasis(B) { - switch (B.length) { - case 1: return encloseBasis1(B[0]); - case 2: return encloseBasis2(B[0], B[1]); - case 3: return encloseBasis3(B[0], B[1], B[2]); + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; } -} -function encloseBasis1(a) { - return { - x: a.x, - y: a.y, - r: a.r - }; + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; + if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; + return true; } -function encloseBasis2(a, b) { - var x1 = a.x, y1 = a.y, r1 = a.r, - x2 = b.x, y2 = b.y, r2 = b.r, - x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1, - l = Math.sqrt(x21 * x21 + y21 * y21); - return { - x: (x1 + x2 + x21 / l * r21) / 2, - y: (y1 + y2 + y21 / l * r21) / 2, - r: (l + r1 + r2) / 2 - }; -} +var clipMax = 1e9, clipMin = -clipMax; -function encloseBasis3(a, b, c) { - var x1 = a.x, y1 = a.y, r1 = a.r, - x2 = b.x, y2 = b.y, r2 = b.r, - x3 = c.x, y3 = c.y, r3 = c.r, - a2 = x1 - x2, - a3 = x1 - x3, - b2 = y1 - y2, - b3 = y1 - y3, - c2 = r2 - r1, - c3 = r3 - r1, - d1 = x1 * x1 + y1 * y1 - r1 * r1, - d2 = d1 - x2 * x2 - y2 * y2 + r2 * r2, - d3 = d1 - x3 * x3 - y3 * y3 + r3 * r3, - ab = a3 * b2 - a2 * b3, - xa = (b2 * d3 - b3 * d2) / (ab * 2) - x1, - xb = (b3 * c2 - b2 * c3) / ab, - ya = (a3 * d2 - a2 * d3) / (ab * 2) - y1, - yb = (a2 * c3 - a3 * c2) / ab, - A = xb * xb + yb * yb - 1, - B = 2 * (r1 + xa * xb + ya * yb), - C = xa * xa + ya * ya - r1 * r1, - r = -(A ? (B + Math.sqrt(B * B - 4 * A * C)) / (2 * A) : C / B); - return { - x: x1 + xa + xb * r, - y: y1 + ya + yb * r, - r: r - }; -} +// TODO Use d3-polygon’s polygonContains here for the ring check? +// TODO Eliminate duplicate buffering in clipBuffer and polygon.push? -function place(b, a, c) { - var dx = b.x - a.x, x, a2, - dy = b.y - a.y, y, b2, - d2 = dx * dx + dy * dy; - if (d2) { - a2 = a.r + c.r, a2 *= a2; - b2 = b.r + c.r, b2 *= b2; - if (a2 > b2) { - x = (d2 + b2 - a2) / (2 * d2); - y = Math.sqrt(Math.max(0, b2 / d2 - x * x)); - c.x = b.x - x * dx - y * dy; - c.y = b.y - x * dy + y * dx; +function clipRectangle(x0, y0, x1, y1) { + + function visible(x, y) { + return x0 <= x && x <= x1 && y0 <= y && y <= y1; + } + + function interpolate(from, to, direction, stream) { + var a = 0, a1 = 0; + if (from == null + || (a = corner(from, direction)) !== (a1 = corner(to, direction)) + || comparePoint(from, to) < 0 ^ direction > 0) { + do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); + while ((a = (a + direction + 4) % 4) !== a1); } else { - x = (d2 + a2 - b2) / (2 * d2); - y = Math.sqrt(Math.max(0, a2 / d2 - x * x)); - c.x = a.x + x * dx - y * dy; - c.y = a.y + x * dy + y * dx; + stream.point(to[0], to[1]); } - } else { - c.x = a.x + c.r; - c.y = a.y; } -} -function intersects(a, b) { - var dr = a.r + b.r - 1e-6, dx = b.x - a.x, dy = b.y - a.y; - return dr > 0 && dr * dr > dx * dx + dy * dy; -} + function corner(p, direction) { + return abs(p[0] - x0) < epsilon ? direction > 0 ? 0 : 3 + : abs(p[0] - x1) < epsilon ? direction > 0 ? 2 : 1 + : abs(p[1] - y0) < epsilon ? direction > 0 ? 1 : 0 + : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon + } -function score(node) { - var a = node._, - b = node.next._, - ab = a.r + b.r, - dx = (a.x * b.r + b.x * a.r) / ab, - dy = (a.y * b.r + b.y * a.r) / ab; - return dx * dx + dy * dy; -} + function compareIntersection(a, b) { + return comparePoint(a.x, b.x); + } -function Node$1(circle) { - this._ = circle; - this.next = null; - this.previous = null; -} + function comparePoint(a, b) { + var ca = corner(a, 1), + cb = corner(b, 1); + return ca !== cb ? ca - cb + : ca === 0 ? b[1] - a[1] + : ca === 1 ? a[0] - b[0] + : ca === 2 ? a[1] - b[1] + : b[0] - a[0]; + } -function packEnclose(circles) { - if (!(n = (circles = array(circles)).length)) return 0; + return function(stream) { + var activeStream = stream, + bufferStream = clipBuffer(), + segments, + polygon, + ring, + x__, y__, v__, // first point + x_, y_, v_, // previous point + first, + clean; - var a, b, c, n, aa, ca, i, j, k, sj, sk; + var clipStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: polygonStart, + polygonEnd: polygonEnd + }; - // Place the first circle. - a = circles[0], a.x = 0, a.y = 0; - if (!(n > 1)) return a.r; + function point(x, y) { + if (visible(x, y)) activeStream.point(x, y); + } - // Place the second circle. - b = circles[1], a.x = -b.r, b.x = a.r, b.y = 0; - if (!(n > 2)) return a.r + b.r; + function polygonInside() { + var winding = 0; - // Place the third circle. - place(b, a, c = circles[2]); + for (var i = 0, n = polygon.length; i < n; ++i) { + for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { + a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; + if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } + else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } + } + } - // Initialize the front-chain using the first three circles a, b and c. - a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); - a.next = c.previous = b; - b.next = a.previous = c; - c.next = b.previous = a; + return winding; + } - // Attempt to place each remaining circle… - pack: for (i = 3; i < n; ++i) { - place(a._, b._, c = circles[i]), c = new Node$1(c); + // Buffer geometry within a polygon and then clip it en masse. + function polygonStart() { + activeStream = bufferStream, segments = [], polygon = [], clean = true; + } - // Find the closest intersecting circle on the front-chain, if any. - // “Closeness” is determined by linear distance along the front-chain. - // “Ahead” or “behind” is likewise determined by linear distance. - j = b.next, k = a.previous, sj = b._.r, sk = a._.r; - do { - if (sj <= sk) { - if (intersects(j._, c._)) { - b = j, a.next = b, b.previous = a, --i; - continue pack; + function polygonEnd() { + var startInside = polygonInside(), + cleanInside = clean && startInside, + visible = (segments = d3Array.merge(segments)).length; + if (cleanInside || visible) { + stream.polygonStart(); + if (cleanInside) { + stream.lineStart(); + interpolate(null, null, 1, stream); + stream.lineEnd(); } - sj += j._.r, j = j.next; - } else { - if (intersects(k._, c._)) { - a = k, a.next = b, b.previous = a, --i; - continue pack; + if (visible) { + clipRejoin(segments, compareIntersection, startInside, interpolate, stream); } - sk += k._.r, k = k.previous; + stream.polygonEnd(); } - } while (j !== k.next); + activeStream = stream, segments = polygon = ring = null; + } - // Success! Insert the new circle c between a and b. - c.previous = a, c.next = b, a.next = b.previous = b = c; + function lineStart() { + clipStream.point = linePoint; + if (polygon) polygon.push(ring = []); + first = true; + v_ = false; + x_ = y_ = NaN; + } - // Compute the new closest circle pair to the centroid. - aa = score(a); - while ((c = c.next) !== b) { - if ((ca = score(c)) < aa) { - a = c, aa = ca; + // TODO rather than special-case polygons, simply handle them separately. + // Ideally, coincident intersection points should be jittered to avoid + // clipping issues. + function lineEnd() { + if (segments) { + linePoint(x__, y__); + if (v__ && v_) bufferStream.rejoin(); + segments.push(bufferStream.result()); } + clipStream.point = point; + if (v_) activeStream.lineEnd(); } - b = a.next; - } - // Compute the enclosing circle of the front chain. - a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a); + function linePoint(x, y) { + var v = visible(x, y); + if (polygon) ring.push([x, y]); + if (first) { + x__ = x, y__ = y, v__ = v; + first = false; + if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + } + } else { + if (v && v_) activeStream.point(x, y); + else { + var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], + b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; + if (clipLine(a, b, x0, y0, x1, y1)) { + if (!v_) { + activeStream.lineStart(); + activeStream.point(a[0], a[1]); + } + activeStream.point(b[0], b[1]); + if (!v) activeStream.lineEnd(); + clean = false; + } else if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + clean = false; + } + } + } + x_ = x, y_ = y, v_ = v; + } - // Translate the circles to put the enclosing circle around the origin. - for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y; - - return c.r; + return clipStream; + }; } -function siblings(circles) { - packEnclose(circles); - return circles; +function extent() { + var x0 = 0, + y0 = 0, + x1 = 960, + y1 = 500, + cache, + cacheStream, + clip; + + return clip = { + stream: function(stream) { + return cache && cacheStream === stream ? cache : cache = clipRectangle(x0, y0, x1, y1)(cacheStream = stream); + }, + extent: function(_) { + return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; + } + }; } -function optional(f) { - return f == null ? null : required(f); +var lengthSum, + lambda0$2, + sinPhi0$1, + cosPhi0$1; + +var lengthStream = { + sphere: noop, + point: noop, + lineStart: lengthLineStart, + lineEnd: noop, + polygonStart: noop, + polygonEnd: noop +}; + +function lengthLineStart() { + lengthStream.point = lengthPointFirst; + lengthStream.lineEnd = lengthLineEnd; } -function required(f) { - if (typeof f !== "function") throw new Error; - return f; +function lengthLineEnd() { + lengthStream.point = lengthStream.lineEnd = noop; } -function constantZero() { - return 0; +function lengthPointFirst(lambda, phi) { + lambda *= radians, phi *= radians; + lambda0$2 = lambda, sinPhi0$1 = sin(phi), cosPhi0$1 = cos(phi); + lengthStream.point = lengthPoint; } -function constant(x) { - return function() { - return x; - }; +function lengthPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var sinPhi = sin(phi), + cosPhi = cos(phi), + delta = abs(lambda - lambda0$2), + cosDelta = cos(delta), + sinDelta = sin(delta), + x = cosPhi * sinDelta, + y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, + z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; + lengthSum.add(atan2(sqrt(x * x + y * y), z)); + lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; } -function defaultRadius(d) { - return Math.sqrt(d.value); +function length(object) { + lengthSum = new d3Array.Adder(); + geoStream(object, lengthStream); + return +lengthSum; } -function index() { - var radius = null, - dx = 1, - dy = 1, - padding = constantZero; +var coordinates = [null, null], + object = {type: "LineString", coordinates: coordinates}; - function pack(root) { - root.x = dx / 2, root.y = dy / 2; - if (radius) { - root.eachBefore(radiusLeaf(radius)) - .eachAfter(packChildren(padding, 0.5)) - .eachBefore(translateChild(1)); - } else { - root.eachBefore(radiusLeaf(defaultRadius)) - .eachAfter(packChildren(constantZero, 1)) - .eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) - .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); - } - return root; - } +function distance(a, b) { + coordinates[0] = a; + coordinates[1] = b; + return length(object); +} - pack.radius = function(x) { - return arguments.length ? (radius = optional(x), pack) : radius; - }; +var containsObjectType = { + Feature: function(object, point) { + return containsGeometry(object.geometry, point); + }, + FeatureCollection: function(object, point) { + var features = object.features, i = -1, n = features.length; + while (++i < n) if (containsGeometry(features[i].geometry, point)) return true; + return false; + } +}; - pack.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], pack) : [dx, dy]; - }; +var containsGeometryType = { + Sphere: function() { + return true; + }, + Point: function(object, point) { + return containsPoint(object.coordinates, point); + }, + MultiPoint: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsPoint(coordinates[i], point)) return true; + return false; + }, + LineString: function(object, point) { + return containsLine(object.coordinates, point); + }, + MultiLineString: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsLine(coordinates[i], point)) return true; + return false; + }, + Polygon: function(object, point) { + return containsPolygon(object.coordinates, point); + }, + MultiPolygon: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsPolygon(coordinates[i], point)) return true; + return false; + }, + GeometryCollection: function(object, point) { + var geometries = object.geometries, i = -1, n = geometries.length; + while (++i < n) if (containsGeometry(geometries[i], point)) return true; + return false; + } +}; - pack.padding = function(x) { - return arguments.length ? (padding = typeof x === "function" ? x : constant(+x), pack) : padding; - }; +function containsGeometry(geometry, point) { + return geometry && containsGeometryType.hasOwnProperty(geometry.type) + ? containsGeometryType[geometry.type](geometry, point) + : false; +} - return pack; +function containsPoint(coordinates, point) { + return distance(coordinates, point) === 0; } -function radiusLeaf(radius) { - return function(node) { - if (!node.children) { - node.r = Math.max(0, +radius(node) || 0); +function containsLine(coordinates, point) { + var ao, bo, ab; + for (var i = 0, n = coordinates.length; i < n; i++) { + bo = distance(coordinates[i], point); + if (bo === 0) return true; + if (i > 0) { + ab = distance(coordinates[i], coordinates[i - 1]); + if ( + ab > 0 && + ao <= ab && + bo <= ab && + (ao + bo - ab) * (1 - Math.pow((ao - bo) / ab, 2)) < epsilon2 * ab + ) + return true; } - }; + ao = bo; + } + return false; } -function packChildren(padding, k) { - return function(node) { - if (children = node.children) { - var children, - i, - n = children.length, - r = padding(node) * k || 0, - e; +function containsPolygon(coordinates, point) { + return !!polygonContains(coordinates.map(ringRadians), pointRadians(point)); +} - if (r) for (i = 0; i < n; ++i) children[i].r += r; - e = packEnclose(children); - if (r) for (i = 0; i < n; ++i) children[i].r -= r; - node.r = e + r; - } - }; +function ringRadians(ring) { + return ring = ring.map(pointRadians), ring.pop(), ring; } -function translateChild(k) { - return function(node) { - var parent = node.parent; - node.r *= k; - if (parent) { - node.x = parent.x + k * node.x; - node.y = parent.y + k * node.y; - } - }; +function pointRadians(point) { + return [point[0] * radians, point[1] * radians]; } -function roundNode(node) { - node.x0 = Math.round(node.x0); - node.y0 = Math.round(node.y0); - node.x1 = Math.round(node.x1); - node.y1 = Math.round(node.y1); +function contains(object, point) { + return (object && containsObjectType.hasOwnProperty(object.type) + ? containsObjectType[object.type] + : containsGeometry)(object, point); } -function treemapDice(parent, x0, y0, x1, y1) { - var nodes = parent.children, - node, - i = -1, - n = nodes.length, - k = parent.value && (x1 - x0) / parent.value; +function graticuleX(y0, y1, dy) { + var y = d3Array.range(y0, y1 - epsilon, dy).concat(y1); + return function(x) { return y.map(function(y) { return [x, y]; }); }; +} - while (++i < n) { - node = nodes[i], node.y0 = y0, node.y1 = y1; - node.x0 = x0, node.x1 = x0 += node.value * k; - } +function graticuleY(x0, x1, dx) { + var x = d3Array.range(x0, x1 - epsilon, dx).concat(x1); + return function(y) { return x.map(function(x) { return [x, y]; }); }; } -function partition() { - var dx = 1, - dy = 1, - padding = 0, - round = false; +function graticule() { + var x1, x0, X1, X0, + y1, y0, Y1, Y0, + dx = 10, dy = dx, DX = 90, DY = 360, + x, y, X, Y, + precision = 2.5; - function partition(root) { - var n = root.height + 1; - root.x0 = - root.y0 = padding; - root.x1 = dx; - root.y1 = dy / n; - root.eachBefore(positionNode(dy, n)); - if (round) root.eachBefore(roundNode); - return root; + function graticule() { + return {type: "MultiLineString", coordinates: lines()}; } - function positionNode(dy, n) { - return function(node) { - if (node.children) { - treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n); - } - var x0 = node.x0, - y0 = node.y0, - x1 = node.x1 - padding, - y1 = node.y1 - padding; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - node.x0 = x0; - node.y0 = y0; - node.x1 = x1; - node.y1 = y1; - }; + function lines() { + return d3Array.range(ceil(X0 / DX) * DX, X1, DX).map(X) + .concat(d3Array.range(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) + .concat(d3Array.range(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon; }).map(x)) + .concat(d3Array.range(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon; }).map(y)); } - partition.round = function(x) { - return arguments.length ? (round = !!x, partition) : round; + graticule.lines = function() { + return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); }; - partition.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy]; + graticule.outline = function() { + return { + type: "Polygon", + coordinates: [ + X(X0).concat( + Y(Y1).slice(1), + X(X1).reverse().slice(1), + Y(Y0).reverse().slice(1)) + ] + }; }; - partition.padding = function(x) { - return arguments.length ? (padding = +x, partition) : padding; + graticule.extent = function(_) { + if (!arguments.length) return graticule.extentMinor(); + return graticule.extentMajor(_).extentMinor(_); }; - return partition; -} - -var preroot = {depth: -1}, - ambiguous = {}; + graticule.extentMajor = function(_) { + if (!arguments.length) return [[X0, Y0], [X1, Y1]]; + X0 = +_[0][0], X1 = +_[1][0]; + Y0 = +_[0][1], Y1 = +_[1][1]; + if (X0 > X1) _ = X0, X0 = X1, X1 = _; + if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; + return graticule.precision(precision); + }; -function defaultId(d) { - return d.id; -} + graticule.extentMinor = function(_) { + if (!arguments.length) return [[x0, y0], [x1, y1]]; + x0 = +_[0][0], x1 = +_[1][0]; + y0 = +_[0][1], y1 = +_[1][1]; + if (x0 > x1) _ = x0, x0 = x1, x1 = _; + if (y0 > y1) _ = y0, y0 = y1, y1 = _; + return graticule.precision(precision); + }; -function defaultParentId(d) { - return d.parentId; -} + graticule.step = function(_) { + if (!arguments.length) return graticule.stepMinor(); + return graticule.stepMajor(_).stepMinor(_); + }; -function stratify() { - var id = defaultId, - parentId = defaultParentId; + graticule.stepMajor = function(_) { + if (!arguments.length) return [DX, DY]; + DX = +_[0], DY = +_[1]; + return graticule; + }; - function stratify(data) { - var nodes = Array.from(data), - n = nodes.length, - d, - i, - root, - parent, - node, - nodeId, - nodeKey, - nodeByKey = new Map; + graticule.stepMinor = function(_) { + if (!arguments.length) return [dx, dy]; + dx = +_[0], dy = +_[1]; + return graticule; + }; - for (i = 0; i < n; ++i) { - d = nodes[i], node = nodes[i] = new Node(d); - if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { - nodeKey = node.id = nodeId; - nodeByKey.set(nodeKey, nodeByKey.has(nodeKey) ? ambiguous : node); - } - if ((nodeId = parentId(d, i, data)) != null && (nodeId += "")) { - node.parent = nodeId; - } - } + graticule.precision = function(_) { + if (!arguments.length) return precision; + precision = +_; + x = graticuleX(y0, y1, 90); + y = graticuleY(x0, x1, precision); + X = graticuleX(Y0, Y1, 90); + Y = graticuleY(X0, X1, precision); + return graticule; + }; - for (i = 0; i < n; ++i) { - node = nodes[i]; - if (nodeId = node.parent) { - parent = nodeByKey.get(nodeId); - if (!parent) throw new Error("missing: " + nodeId); - if (parent === ambiguous) throw new Error("ambiguous: " + nodeId); - if (parent.children) parent.children.push(node); - else parent.children = [node]; - node.parent = parent; - } else { - if (root) throw new Error("multiple roots"); - root = node; - } - } + return graticule + .extentMajor([[-180, -90 + epsilon], [180, 90 - epsilon]]) + .extentMinor([[-180, -80 - epsilon], [180, 80 + epsilon]]); +} - if (!root) throw new Error("no root"); - root.parent = preroot; - root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight); - root.parent = null; - if (n > 0) throw new Error("cycle"); +function graticule10() { + return graticule()(); +} - return root; - } +function interpolate(a, b) { + var x0 = a[0] * radians, + y0 = a[1] * radians, + x1 = b[0] * radians, + y1 = b[1] * radians, + cy0 = cos(y0), + sy0 = sin(y0), + cy1 = cos(y1), + sy1 = sin(y1), + kx0 = cy0 * cos(x0), + ky0 = cy0 * sin(x0), + kx1 = cy1 * cos(x1), + ky1 = cy1 * sin(x1), + d = 2 * asin(sqrt(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), + k = sin(d); - stratify.id = function(x) { - return arguments.length ? (id = required(x), stratify) : id; + var interpolate = d ? function(t) { + var B = sin(t *= d) / k, + A = sin(d - t) / k, + x = A * kx0 + B * kx1, + y = A * ky0 + B * ky1, + z = A * sy0 + B * sy1; + return [ + atan2(y, x) * degrees, + atan2(z, sqrt(x * x + y * y)) * degrees + ]; + } : function() { + return [x0 * degrees, y0 * degrees]; }; - stratify.parentId = function(x) { - return arguments.length ? (parentId = required(x), stratify) : parentId; - }; + interpolate.distance = d; - return stratify; + return interpolate; } -function defaultSeparation$1(a, b) { - return a.parent === b.parent ? 1 : 2; -} +var identity = x => x; -// function radialSeparation(a, b) { -// return (a.parent === b.parent ? 1 : 2) / a.depth; -// } +var areaSum$1 = new d3Array.Adder(), + areaRingSum$1 = new d3Array.Adder(), + x00, + y00, + x0$1, + y0$1; -// This function is used to traverse the left contour of a subtree (or -// subforest). It returns the successor of v on this contour. This successor is -// either given by the leftmost child of v or by the thread of v. The function -// returns null if and only if v is on the highest level of its subtree. -function nextLeft(v) { - var children = v.children; - return children ? children[0] : v.t; +var areaStream$1 = { + point: noop, + lineStart: noop, + lineEnd: noop, + polygonStart: function() { + areaStream$1.lineStart = areaRingStart$1; + areaStream$1.lineEnd = areaRingEnd$1; + }, + polygonEnd: function() { + areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop; + areaSum$1.add(abs(areaRingSum$1)); + areaRingSum$1 = new d3Array.Adder(); + }, + result: function() { + var area = areaSum$1 / 2; + areaSum$1 = new d3Array.Adder(); + return area; + } +}; + +function areaRingStart$1() { + areaStream$1.point = areaPointFirst$1; } -// This function works analogously to nextLeft. -function nextRight(v) { - var children = v.children; - return children ? children[children.length - 1] : v.t; +function areaPointFirst$1(x, y) { + areaStream$1.point = areaPoint$1; + x00 = x0$1 = x, y00 = y0$1 = y; } -// Shifts the current subtree rooted at w+. This is done by increasing -// prelim(w+) and mod(w+) by shift. -function moveSubtree(wm, wp, shift) { - var change = shift / (wp.i - wm.i); - wp.c -= change; - wp.s += shift; - wm.c += change; - wp.z += shift; - wp.m += shift; +function areaPoint$1(x, y) { + areaRingSum$1.add(y0$1 * x - x0$1 * y); + x0$1 = x, y0$1 = y; } -// All other shifts, applied to the smaller subtrees between w- and w+, are -// performed by this function. To prepare the shifts, we have to adjust -// change(w+), shift(w+), and change(w-). -function executeShifts(v) { - var shift = 0, - change = 0, - children = v.children, - i = children.length, - w; - while (--i >= 0) { - w = children[i]; - w.z += shift; - w.m += shift; - shift += w.s + (change += w.c); +function areaRingEnd$1() { + areaPoint$1(x00, y00); +} + +var x0$2 = Infinity, + y0$2 = x0$2, + x1 = -x0$2, + y1 = x1; + +var boundsStream$1 = { + point: boundsPoint$1, + lineStart: noop, + lineEnd: noop, + polygonStart: noop, + polygonEnd: noop, + result: function() { + var bounds = [[x0$2, y0$2], [x1, y1]]; + x1 = y1 = -(y0$2 = x0$2 = Infinity); + return bounds; } +}; + +function boundsPoint$1(x, y) { + if (x < x0$2) x0$2 = x; + if (x > x1) x1 = x; + if (y < y0$2) y0$2 = y; + if (y > y1) y1 = y; } -// If vi-’s ancestor is a sibling of v, returns vi-’s ancestor. Otherwise, -// returns the specified (default) ancestor. -function nextAncestor(vim, v, ancestor) { - return vim.a.parent === v.parent ? vim.a : ancestor; +// TODO Enforce positive area for exterior, negative area for interior? + +var X0$1 = 0, + Y0$1 = 0, + Z0$1 = 0, + X1$1 = 0, + Y1$1 = 0, + Z1$1 = 0, + X2$1 = 0, + Y2$1 = 0, + Z2$1 = 0, + x00$1, + y00$1, + x0$3, + y0$3; + +var centroidStream$1 = { + point: centroidPoint$1, + lineStart: centroidLineStart$1, + lineEnd: centroidLineEnd$1, + polygonStart: function() { + centroidStream$1.lineStart = centroidRingStart$1; + centroidStream$1.lineEnd = centroidRingEnd$1; + }, + polygonEnd: function() { + centroidStream$1.point = centroidPoint$1; + centroidStream$1.lineStart = centroidLineStart$1; + centroidStream$1.lineEnd = centroidLineEnd$1; + }, + result: function() { + var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] + : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] + : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] + : [NaN, NaN]; + X0$1 = Y0$1 = Z0$1 = + X1$1 = Y1$1 = Z1$1 = + X2$1 = Y2$1 = Z2$1 = 0; + return centroid; + } +}; + +function centroidPoint$1(x, y) { + X0$1 += x; + Y0$1 += y; + ++Z0$1; } -function TreeNode(node, i) { - this._ = node; - this.parent = null; - this.children = null; - this.A = null; // default ancestor - this.a = this; // ancestor - this.z = 0; // prelim - this.m = 0; // mod - this.c = 0; // change - this.s = 0; // shift - this.t = null; // thread - this.i = i; // number +function centroidLineStart$1() { + centroidStream$1.point = centroidPointFirstLine; } -TreeNode.prototype = Object.create(Node.prototype); +function centroidPointFirstLine(x, y) { + centroidStream$1.point = centroidPointLine; + centroidPoint$1(x0$3 = x, y0$3 = y); +} -function treeRoot(root) { - var tree = new TreeNode(root, 0), - node, - nodes = [tree], - child, - children, - i, - n; +function centroidPointLine(x, y) { + var dx = x - x0$3, dy = y - y0$3, z = sqrt(dx * dx + dy * dy); + X1$1 += z * (x0$3 + x) / 2; + Y1$1 += z * (y0$3 + y) / 2; + Z1$1 += z; + centroidPoint$1(x0$3 = x, y0$3 = y); +} - while (node = nodes.pop()) { - if (children = node._.children) { - node.children = new Array(n = children.length); - for (i = n - 1; i >= 0; --i) { - nodes.push(child = node.children[i] = new TreeNode(children[i], i)); - child.parent = node; - } - } - } +function centroidLineEnd$1() { + centroidStream$1.point = centroidPoint$1; +} - (tree.parent = new TreeNode(null, 0)).children = [tree]; - return tree; +function centroidRingStart$1() { + centroidStream$1.point = centroidPointFirstRing; } -// Node-link tree diagram using the Reingold-Tilford "tidy" algorithm -function tree() { - var separation = defaultSeparation$1, - dx = 1, - dy = 1, - nodeSize = null; +function centroidRingEnd$1() { + centroidPointRing(x00$1, y00$1); +} - function tree(root) { - var t = treeRoot(root); +function centroidPointFirstRing(x, y) { + centroidStream$1.point = centroidPointRing; + centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); +} - // Compute the layout using Buchheim et al.’s algorithm. - t.eachAfter(firstWalk), t.parent.m = -t.z; - t.eachBefore(secondWalk); +function centroidPointRing(x, y) { + var dx = x - x0$3, + dy = y - y0$3, + z = sqrt(dx * dx + dy * dy); - // If a fixed node size is specified, scale x and y. - if (nodeSize) root.eachBefore(sizeNode); + X1$1 += z * (x0$3 + x) / 2; + Y1$1 += z * (y0$3 + y) / 2; + Z1$1 += z; - // If a fixed tree size is specified, scale x and y based on the extent. - // Compute the left-most, right-most, and depth-most nodes for extents. - else { - var left = root, - right = root, - bottom = root; - root.eachBefore(function(node) { - if (node.x < left.x) left = node; - if (node.x > right.x) right = node; - if (node.depth > bottom.depth) bottom = node; - }); - var s = left === right ? 1 : separation(left, right) / 2, - tx = s - left.x, - kx = dx / (right.x + s + tx), - ky = dy / (bottom.depth || 1); - root.eachBefore(function(node) { - node.x = (node.x + tx) * kx; - node.y = node.depth * ky; - }); - } + z = y0$3 * x - x0$3 * y; + X2$1 += z * (x0$3 + x); + Y2$1 += z * (y0$3 + y); + Z2$1 += z * 3; + centroidPoint$1(x0$3 = x, y0$3 = y); +} - return root; - } +function PathContext(context) { + this._context = context; +} - // Computes a preliminary x-coordinate for v. Before that, FIRST WALK is - // applied recursively to the children of v, as well as the function - // APPORTION. After spacing out the children by calling EXECUTE SHIFTS, the - // node v is placed to the midpoint of its outermost children. - function firstWalk(v) { - var children = v.children, - siblings = v.parent.children, - w = v.i ? siblings[v.i - 1] : null; - if (children) { - executeShifts(v); - var midpoint = (children[0].z + children[children.length - 1].z) / 2; - if (w) { - v.z = w.z + separation(v._, w._); - v.m = v.z - midpoint; - } else { - v.z = midpoint; +PathContext.prototype = { + _radius: 4.5, + pointRadius: function(_) { + return this._radius = _, this; + }, + polygonStart: function() { + this._line = 0; + }, + polygonEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line === 0) this._context.closePath(); + this._point = NaN; + }, + point: function(x, y) { + switch (this._point) { + case 0: { + this._context.moveTo(x, y); + this._point = 1; + break; + } + case 1: { + this._context.lineTo(x, y); + break; + } + default: { + this._context.moveTo(x + this._radius, y); + this._context.arc(x, y, this._radius, 0, tau); + break; } - } else if (w) { - v.z = w.z + separation(v._, w._); } - v.parent.A = apportion(v, w, v.parent.A || siblings[0]); - } + }, + result: noop +}; - // Computes all real x-coordinates by summing up the modifiers recursively. - function secondWalk(v) { - v._.x = v.z + v.parent.m; - v.m += v.parent.m; - } +var lengthSum$1 = new d3Array.Adder(), + lengthRing, + x00$2, + y00$2, + x0$4, + y0$4; - // The core of the algorithm. Here, a new subtree is combined with the - // previous subtrees. Threads are used to traverse the inside and outside - // contours of the left and right subtree up to the highest common level. The - // vertices used for the traversals are vi+, vi-, vo-, and vo+, where the - // superscript o means outside and i means inside, the subscript - means left - // subtree and + means right subtree. For summing up the modifiers along the - // contour, we use respective variables si+, si-, so-, and so+. Whenever two - // nodes of the inside contours conflict, we compute the left one of the - // greatest uncommon ancestors using the function ANCESTOR and call MOVE - // SUBTREE to shift the subtree and prepare the shifts of smaller subtrees. - // Finally, we add a new thread (if necessary). - function apportion(v, w, ancestor) { - if (w) { - var vip = v, - vop = v, - vim = w, - vom = vip.parent.children[0], - sip = vip.m, - sop = vop.m, - sim = vim.m, - som = vom.m, - shift; - while (vim = nextRight(vim), vip = nextLeft(vip), vim && vip) { - vom = nextLeft(vom); - vop = nextRight(vop); - vop.a = v; - shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); - if (shift > 0) { - moveSubtree(nextAncestor(vim, v, ancestor), v, shift); - sip += shift; - sop += shift; - } - sim += vim.m; - sip += vip.m; - som += vom.m; - sop += vop.m; +var lengthStream$1 = { + point: noop, + lineStart: function() { + lengthStream$1.point = lengthPointFirst$1; + }, + lineEnd: function() { + if (lengthRing) lengthPoint$1(x00$2, y00$2); + lengthStream$1.point = noop; + }, + polygonStart: function() { + lengthRing = true; + }, + polygonEnd: function() { + lengthRing = null; + }, + result: function() { + var length = +lengthSum$1; + lengthSum$1 = new d3Array.Adder(); + return length; + } +}; + +function lengthPointFirst$1(x, y) { + lengthStream$1.point = lengthPoint$1; + x00$2 = x0$4 = x, y00$2 = y0$4 = y; +} + +function lengthPoint$1(x, y) { + x0$4 -= x, y0$4 -= y; + lengthSum$1.add(sqrt(x0$4 * x0$4 + y0$4 * y0$4)); + x0$4 = x, y0$4 = y; +} + +function PathString() { + this._string = []; +} + +PathString.prototype = { + _radius: 4.5, + _circle: circle$1(4.5), + pointRadius: function(_) { + if ((_ = +_) !== this._radius) this._radius = _, this._circle = null; + return this; + }, + polygonStart: function() { + this._line = 0; + }, + polygonEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line === 0) this._string.push("Z"); + this._point = NaN; + }, + point: function(x, y) { + switch (this._point) { + case 0: { + this._string.push("M", x, ",", y); + this._point = 1; + break; } - if (vim && !nextRight(vop)) { - vop.t = vim; - vop.m += sim - sop; + case 1: { + this._string.push("L", x, ",", y); + break; } - if (vip && !nextLeft(vom)) { - vom.t = vip; - vom.m += sip - som; - ancestor = v; + default: { + if (this._circle == null) this._circle = circle$1(this._radius); + this._string.push("M", x, ",", y, this._circle); + break; } } - return ancestor; + }, + result: function() { + if (this._string.length) { + var result = this._string.join(""); + this._string = []; + return result; + } else { + return null; + } } +}; - function sizeNode(node) { - node.x *= dx; - node.y = node.depth * dy; +function circle$1(radius) { + return "m0," + radius + + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + + "z"; +} + +function index(projection, context) { + var pointRadius = 4.5, + projectionStream, + contextStream; + + function path(object) { + if (object) { + if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); + geoStream(object, projectionStream(contextStream)); + } + return contextStream.result(); } - tree.separation = function(x) { - return arguments.length ? (separation = x, tree) : separation; + path.area = function(object) { + geoStream(object, projectionStream(areaStream$1)); + return areaStream$1.result(); }; - tree.size = function(x) { - return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], tree) : (nodeSize ? null : [dx, dy]); + path.measure = function(object) { + geoStream(object, projectionStream(lengthStream$1)); + return lengthStream$1.result(); }; - tree.nodeSize = function(x) { - return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], tree) : (nodeSize ? [dx, dy] : null); + path.bounds = function(object) { + geoStream(object, projectionStream(boundsStream$1)); + return boundsStream$1.result(); }; - return tree; -} - -function treemapSlice(parent, x0, y0, x1, y1) { - var nodes = parent.children, - node, - i = -1, - n = nodes.length, - k = parent.value && (y1 - y0) / parent.value; - - while (++i < n) { - node = nodes[i], node.x0 = x0, node.x1 = x1; - node.y0 = y0, node.y1 = y0 += node.value * k; - } -} - -var phi = (1 + Math.sqrt(5)) / 2; - -function squarifyRatio(ratio, parent, x0, y0, x1, y1) { - var rows = [], - nodes = parent.children, - row, - nodeValue, - i0 = 0, - i1 = 0, - n = nodes.length, - dx, dy, - value = parent.value, - sumValue, - minValue, - maxValue, - newRatio, - minRatio, - alpha, - beta; + path.centroid = function(object) { + geoStream(object, projectionStream(centroidStream$1)); + return centroidStream$1.result(); + }; - while (i0 < n) { - dx = x1 - x0, dy = y1 - y0; + path.projection = function(_) { + return arguments.length ? (projectionStream = _ == null ? (projection = null, identity) : (projection = _).stream, path) : projection; + }; - // Find the next non-empty node. - do sumValue = nodes[i1++].value; while (!sumValue && i1 < n); - minValue = maxValue = sumValue; - alpha = Math.max(dy / dx, dx / dy) / (value * ratio); - beta = sumValue * sumValue * alpha; - minRatio = Math.max(maxValue / beta, beta / minValue); + path.context = function(_) { + if (!arguments.length) return context; + contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); + if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); + return path; + }; - // Keep adding nodes while the aspect ratio maintains or improves. - for (; i1 < n; ++i1) { - sumValue += nodeValue = nodes[i1].value; - if (nodeValue < minValue) minValue = nodeValue; - if (nodeValue > maxValue) maxValue = nodeValue; - beta = sumValue * sumValue * alpha; - newRatio = Math.max(maxValue / beta, beta / minValue); - if (newRatio > minRatio) { sumValue -= nodeValue; break; } - minRatio = newRatio; - } + path.pointRadius = function(_) { + if (!arguments.length) return pointRadius; + pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); + return path; + }; - // Position and record the row orientation. - rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)}); - if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1); - else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1); - value -= sumValue, i0 = i1; - } + return path.projection(projection).context(context); +} - return rows; +function transform(methods) { + return { + stream: transformer(methods) + }; } -var squarify = (function custom(ratio) { +function transformer(methods) { + return function(stream) { + var s = new TransformStream; + for (var key in methods) s[key] = methods[key]; + s.stream = stream; + return s; + }; +} - function squarify(parent, x0, y0, x1, y1) { - squarifyRatio(ratio, parent, x0, y0, x1, y1); - } +function TransformStream() {} - squarify.ratio = function(x) { - return custom((x = +x) > 1 ? x : 1); - }; - - return squarify; -})(phi); - -function index$1() { - var tile = squarify, - round = false, - dx = 1, - dy = 1, - paddingStack = [0], - paddingInner = constantZero, - paddingTop = constantZero, - paddingRight = constantZero, - paddingBottom = constantZero, - paddingLeft = constantZero; - - function treemap(root) { - root.x0 = - root.y0 = 0; - root.x1 = dx; - root.y1 = dy; - root.eachBefore(positionNode); - paddingStack = [0]; - if (round) root.eachBefore(roundNode); - return root; - } - - function positionNode(node) { - var p = paddingStack[node.depth], - x0 = node.x0 + p, - y0 = node.y0 + p, - x1 = node.x1 - p, - y1 = node.y1 - p; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - node.x0 = x0; - node.y0 = y0; - node.x1 = x1; - node.y1 = y1; - if (node.children) { - p = paddingStack[node.depth + 1] = paddingInner(node) / 2; - x0 += paddingLeft(node) - p; - y0 += paddingTop(node) - p; - x1 -= paddingRight(node) - p; - y1 -= paddingBottom(node) - p; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - tile(node, x0, y0, x1, y1); - } - } - - treemap.round = function(x) { - return arguments.length ? (round = !!x, treemap) : round; - }; - - treemap.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], treemap) : [dx, dy]; - }; - - treemap.tile = function(x) { - return arguments.length ? (tile = required(x), treemap) : tile; - }; +TransformStream.prototype = { + constructor: TransformStream, + point: function(x, y) { this.stream.point(x, y); }, + sphere: function() { this.stream.sphere(); }, + lineStart: function() { this.stream.lineStart(); }, + lineEnd: function() { this.stream.lineEnd(); }, + polygonStart: function() { this.stream.polygonStart(); }, + polygonEnd: function() { this.stream.polygonEnd(); } +}; - treemap.padding = function(x) { - return arguments.length ? treemap.paddingInner(x).paddingOuter(x) : treemap.paddingInner(); - }; +function fit(projection, fitBounds, object) { + var clip = projection.clipExtent && projection.clipExtent(); + projection.scale(150).translate([0, 0]); + if (clip != null) projection.clipExtent(null); + geoStream(object, projection.stream(boundsStream$1)); + fitBounds(boundsStream$1.result()); + if (clip != null) projection.clipExtent(clip); + return projection; +} - treemap.paddingInner = function(x) { - return arguments.length ? (paddingInner = typeof x === "function" ? x : constant(+x), treemap) : paddingInner; - }; +function fitExtent(projection, extent, object) { + return fit(projection, function(b) { + var w = extent[1][0] - extent[0][0], + h = extent[1][1] - extent[0][1], + k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), + x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, + y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; + projection.scale(150 * k).translate([x, y]); + }, object); +} - treemap.paddingOuter = function(x) { - return arguments.length ? treemap.paddingTop(x).paddingRight(x).paddingBottom(x).paddingLeft(x) : treemap.paddingTop(); - }; +function fitSize(projection, size, object) { + return fitExtent(projection, [[0, 0], size], object); +} - treemap.paddingTop = function(x) { - return arguments.length ? (paddingTop = typeof x === "function" ? x : constant(+x), treemap) : paddingTop; - }; +function fitWidth(projection, width, object) { + return fit(projection, function(b) { + var w = +width, + k = w / (b[1][0] - b[0][0]), + x = (w - k * (b[1][0] + b[0][0])) / 2, + y = -k * b[0][1]; + projection.scale(150 * k).translate([x, y]); + }, object); +} - treemap.paddingRight = function(x) { - return arguments.length ? (paddingRight = typeof x === "function" ? x : constant(+x), treemap) : paddingRight; - }; +function fitHeight(projection, height, object) { + return fit(projection, function(b) { + var h = +height, + k = h / (b[1][1] - b[0][1]), + x = -k * b[0][0], + y = (h - k * (b[1][1] + b[0][1])) / 2; + projection.scale(150 * k).translate([x, y]); + }, object); +} - treemap.paddingBottom = function(x) { - return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant(+x), treemap) : paddingBottom; - }; +var maxDepth = 16, // maximum depth of subdivision + cosMinDistance = cos(30 * radians); // cos(minimum angular distance) - treemap.paddingLeft = function(x) { - return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant(+x), treemap) : paddingLeft; - }; +function resample(project, delta2) { + return +delta2 ? resample$1(project, delta2) : resampleNone(project); +} - return treemap; +function resampleNone(project) { + return transformer({ + point: function(x, y) { + x = project(x, y); + this.stream.point(x[0], x[1]); + } + }); } -function binary(parent, x0, y0, x1, y1) { - var nodes = parent.children, - i, n = nodes.length, - sum, sums = new Array(n + 1); +function resample$1(project, delta2) { - for (sums[0] = sum = i = 0; i < n; ++i) { - sums[i + 1] = sum += nodes[i].value; + function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { + var dx = x1 - x0, + dy = y1 - y0, + d2 = dx * dx + dy * dy; + if (d2 > 4 * delta2 && depth--) { + var a = a0 + a1, + b = b0 + b1, + c = c0 + c1, + m = sqrt(a * a + b * b + c * c), + phi2 = asin(c /= m), + lambda2 = abs(abs(c) - 1) < epsilon || abs(lambda0 - lambda1) < epsilon ? (lambda0 + lambda1) / 2 : atan2(b, a), + p = project(lambda2, phi2), + x2 = p[0], + y2 = p[1], + dx2 = x2 - x0, + dy2 = y2 - y0, + dz = dy * dx2 - dx * dy2; + if (dz * dz / d2 > delta2 // perpendicular projected distance + || abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end + || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); + stream.point(x2, y2); + resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); + } + } } + return function(stream) { + var lambda00, x00, y00, a00, b00, c00, // first point + lambda0, x0, y0, a0, b0, c0; // previous point - partition(0, n, parent.value, x0, y0, x1, y1); + var resampleStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, + polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } + }; - function partition(i, j, value, x0, y0, x1, y1) { - if (i >= j - 1) { - var node = nodes[i]; - node.x0 = x0, node.y0 = y0; - node.x1 = x1, node.y1 = y1; - return; + function point(x, y) { + x = project(x, y); + stream.point(x[0], x[1]); } - var valueOffset = sums[i], - valueTarget = (value / 2) + valueOffset, - k = i + 1, - hi = j - 1; + function lineStart() { + x0 = NaN; + resampleStream.point = linePoint; + stream.lineStart(); + } - while (k < hi) { - var mid = k + hi >>> 1; - if (sums[mid] < valueTarget) k = mid + 1; - else hi = mid; + function linePoint(lambda, phi) { + var c = cartesian([lambda, phi]), p = project(lambda, phi); + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); + stream.point(x0, y0); } - if ((valueTarget - sums[k - 1]) < (sums[k] - valueTarget) && i + 1 < k) --k; + function lineEnd() { + resampleStream.point = point; + stream.lineEnd(); + } - var valueLeft = sums[k] - valueOffset, - valueRight = value - valueLeft; + function ringStart() { + lineStart(); + resampleStream.point = ringPoint; + resampleStream.lineEnd = ringEnd; + } - if ((x1 - x0) > (y1 - y0)) { - var xk = value ? (x0 * valueRight + x1 * valueLeft) / value : x1; - partition(i, k, valueLeft, x0, y0, xk, y1); - partition(k, j, valueRight, xk, y0, x1, y1); - } else { - var yk = value ? (y0 * valueRight + y1 * valueLeft) / value : y1; - partition(i, k, valueLeft, x0, y0, x1, yk); - partition(k, j, valueRight, x0, yk, x1, y1); + function ringPoint(lambda, phi) { + linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; + resampleStream.point = linePoint; } - } -} -function sliceDice(parent, x0, y0, x1, y1) { - (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); -} + function ringEnd() { + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); + resampleStream.lineEnd = lineEnd; + lineEnd(); + } -var resquarify = (function custom(ratio) { + return resampleStream; + }; +} - function resquarify(parent, x0, y0, x1, y1) { - if ((rows = parent._squarify) && (rows.ratio === ratio)) { - var rows, - row, - nodes, - i, - j = -1, - n, - m = rows.length, - value = parent.value; - - while (++j < m) { - row = rows[j], nodes = row.children; - for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value; - if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += (y1 - y0) * row.value / value : y1); - else treemapSlice(row, x0, y0, value ? x0 += (x1 - x0) * row.value / value : x1, y1); - value -= row.value; - } - } else { - parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1); - rows.ratio = ratio; - } +var transformRadians = transformer({ + point: function(x, y) { + this.stream.point(x * radians, y * radians); } - - resquarify.ratio = function(x) { - return custom((x = +x) > 1 ? x : 1); - }; - - return resquarify; -})(phi); - -exports.cluster = cluster; -exports.hierarchy = hierarchy; -exports.pack = index; -exports.packEnclose = enclose; -exports.packSiblings = siblings; -exports.partition = partition; -exports.stratify = stratify; -exports.tree = tree; -exports.treemap = index$1; -exports.treemapBinary = binary; -exports.treemapDice = treemapDice; -exports.treemapResquarify = resquarify; -exports.treemapSlice = treemapSlice; -exports.treemapSliceDice = sliceDice; -exports.treemapSquarify = squarify; - -Object.defineProperty(exports, '__esModule', { value: true }); - -})); }); -var d3Polygon = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-polygon/ v2.0.0 Copyright 2020 Mike Bostock -(function (global, factory) { -factory(exports) ; -}(commonjsGlobal, function (exports) { -function area(polygon) { - var i = -1, - n = polygon.length, - a, - b = polygon[n - 1], - area = 0; - - while (++i < n) { - a = b; - b = polygon[i]; - area += a[1] * b[0] - a[0] * b[1]; - } - - return area / 2; +function transformRotate(rotate) { + return transformer({ + point: function(x, y) { + var r = rotate(x, y); + return this.stream.point(r[0], r[1]); + } + }); } -function centroid(polygon) { - var i = -1, - n = polygon.length, - x = 0, - y = 0, - a, - b = polygon[n - 1], - c, - k = 0; - - while (++i < n) { - a = b; - b = polygon[i]; - k += c = a[0] * b[1] - b[0] * a[1]; - x += (a[0] + b[0]) * c; - y += (a[1] + b[1]) * c; +function scaleTranslate(k, dx, dy, sx, sy) { + function transform(x, y) { + x *= sx; y *= sy; + return [dx + k * x, dy - k * y]; } - - return k *= 3, [x / k, y / k]; + transform.invert = function(x, y) { + return [(x - dx) / k * sx, (dy - y) / k * sy]; + }; + return transform; } -// Returns the 2D cross product of AB and AC vectors, i.e., the z-component of -// the 3D cross product in a quadrant I Cartesian coordinate system (+x is -// right, +y is up). Returns a positive value if ABC is counter-clockwise, -// negative if clockwise, and zero if the points are collinear. -function cross(a, b, c) { - return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); +function scaleTranslateRotate(k, dx, dy, sx, sy, alpha) { + if (!alpha) return scaleTranslate(k, dx, dy, sx, sy); + var cosAlpha = cos(alpha), + sinAlpha = sin(alpha), + a = cosAlpha * k, + b = sinAlpha * k, + ai = cosAlpha / k, + bi = sinAlpha / k, + ci = (sinAlpha * dy - cosAlpha * dx) / k, + fi = (sinAlpha * dx + cosAlpha * dy) / k; + function transform(x, y) { + x *= sx; y *= sy; + return [a * x - b * y + dx, dy - b * x - a * y]; + } + transform.invert = function(x, y) { + return [sx * (ai * x - bi * y + ci), sy * (fi - bi * x - ai * y)]; + }; + return transform; } -function lexicographicOrder(a, b) { - return a[0] - b[0] || a[1] - b[1]; +function projection(project) { + return projectionMutator(function() { return project; })(); } -// Computes the upper convex hull per the monotone chain algorithm. -// Assumes points.length >= 3, is sorted by x, unique in y. -// Returns an array of indices into points in left-to-right order. -function computeUpperHullIndexes(points) { - const n = points.length, - indexes = [0, 1]; - let size = 2, i; +function projectionMutator(projectAt) { + var project, + k = 150, // scale + x = 480, y = 250, // translate + lambda = 0, phi = 0, // center + deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, // pre-rotate + alpha = 0, // post-rotate angle + sx = 1, // reflectX + sy = 1, // reflectX + theta = null, preclip = clipAntimeridian, // pre-clip angle + x0 = null, y0, x1, y1, postclip = identity, // post-clip extent + delta2 = 0.5, // precision + projectResample, + projectTransform, + projectRotateTransform, + cache, + cacheStream; - for (i = 2; i < n; ++i) { - while (size > 1 && cross(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size; - indexes[size++] = i; + function projection(point) { + return projectRotateTransform(point[0] * radians, point[1] * radians); } - return indexes.slice(0, size); // remove popped points -} + function invert(point) { + point = projectRotateTransform.invert(point[0], point[1]); + return point && [point[0] * degrees, point[1] * degrees]; + } -function hull(points) { - if ((n = points.length) < 3) return null; + projection.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = transformRadians(transformRotate(rotate)(preclip(projectResample(postclip(cacheStream = stream))))); + }; - var i, - n, - sortedPoints = new Array(n), - flippedPoints = new Array(n); + projection.preclip = function(_) { + return arguments.length ? (preclip = _, theta = undefined, reset()) : preclip; + }; - for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i]; - sortedPoints.sort(lexicographicOrder); - for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]]; + projection.postclip = function(_) { + return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; + }; - var upperIndexes = computeUpperHullIndexes(sortedPoints), - lowerIndexes = computeUpperHullIndexes(flippedPoints); + projection.clipAngle = function(_) { + return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees; + }; - // Construct the hull polygon, removing possible duplicate endpoints. - var skipLeft = lowerIndexes[0] === upperIndexes[0], - skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1], - hull = []; + projection.clipExtent = function(_) { + return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + }; - // Add upper hull in right-to-l order. - // Then add lower hull in left-to-right order. - for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]); - for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); + projection.scale = function(_) { + return arguments.length ? (k = +_, recenter()) : k; + }; - return hull; -} + projection.translate = function(_) { + return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; + }; -function contains(polygon, point) { - var n = polygon.length, - p = polygon[n - 1], - x = point[0], y = point[1], - x0 = p[0], y0 = p[1], - x1, y1, - inside = false; + projection.center = function(_) { + return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees, phi * degrees]; + }; - for (var i = 0; i < n; ++i) { - p = polygon[i], x1 = p[0], y1 = p[1]; - if (((y1 > y) !== (y0 > y)) && (x < (x0 - x1) * (y - y1) / (y0 - y1) + x1)) inside = !inside; - x0 = x1, y0 = y1; - } + projection.rotate = function(_) { + return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees, deltaPhi * degrees, deltaGamma * degrees]; + }; - return inside; -} + projection.angle = function(_) { + return arguments.length ? (alpha = _ % 360 * radians, recenter()) : alpha * degrees; + }; -function length(polygon) { - var i = -1, - n = polygon.length, - b = polygon[n - 1], - xa, - ya, - xb = b[0], - yb = b[1], - perimeter = 0; + projection.reflectX = function(_) { + return arguments.length ? (sx = _ ? -1 : 1, recenter()) : sx < 0; + }; - while (++i < n) { - xa = xb; - ya = yb; - b = polygon[i]; - xb = b[0]; - yb = b[1]; - xa -= xb; - ya -= yb; - perimeter += Math.hypot(xa, ya); - } + projection.reflectY = function(_) { + return arguments.length ? (sy = _ ? -1 : 1, recenter()) : sy < 0; + }; - return perimeter; -} + projection.precision = function(_) { + return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt(delta2); + }; -exports.polygonArea = area; -exports.polygonCentroid = centroid; -exports.polygonContains = contains; -exports.polygonHull = hull; -exports.polygonLength = length; + projection.fitExtent = function(extent, object) { + return fitExtent(projection, extent, object); + }; -Object.defineProperty(exports, '__esModule', { value: true }); + projection.fitSize = function(size, object) { + return fitSize(projection, size, object); + }; -})); -}); + projection.fitWidth = function(width, object) { + return fitWidth(projection, width, object); + }; -var d3Random = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-random/ v2.2.2 Copyright 2020 Mike Bostock -(function (global, factory) { -factory(exports) ; -}(commonjsGlobal, (function (exports) { -var defaultSource = Math.random; + projection.fitHeight = function(height, object) { + return fitHeight(projection, height, object); + }; -var uniform = (function sourceRandomUniform(source) { - function randomUniform(min, max) { - min = min == null ? 0 : +min; - max = max == null ? 1 : +max; - if (arguments.length === 1) max = min, min = 0; - else max -= min; - return function() { - return source() * max + min; - }; + function recenter() { + var center = scaleTranslateRotate(k, 0, 0, sx, sy, alpha).apply(null, project(lambda, phi)), + transform = scaleTranslateRotate(k, x - center[0], y - center[1], sx, sy, alpha); + rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma); + projectTransform = compose(project, transform); + projectRotateTransform = compose(rotate, projectTransform); + projectResample = resample(projectTransform, delta2); + return reset(); } - randomUniform.source = sourceRandomUniform; - - return randomUniform; -})(defaultSource); - -var int = (function sourceRandomInt(source) { - function randomInt(min, max) { - if (arguments.length < 2) max = min, min = 0; - min = Math.floor(min); - max = Math.floor(max) - min; - return function() { - return Math.floor(source() * max + min); - }; + function reset() { + cache = cacheStream = null; + return projection; } - randomInt.source = sourceRandomInt; + return function() { + project = projectAt.apply(this, arguments); + projection.invert = project.invert && invert; + return recenter(); + }; +} - return randomInt; -})(defaultSource); +function conicProjection(projectAt) { + var phi0 = 0, + phi1 = pi / 3, + m = projectionMutator(projectAt), + p = m(phi0, phi1); -var normal = (function sourceRandomNormal(source) { - function randomNormal(mu, sigma) { - var x, r; - mu = mu == null ? 0 : +mu; - sigma = sigma == null ? 1 : +sigma; - return function() { - var y; + p.parallels = function(_) { + return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees, phi1 * degrees]; + }; - // If available, use the second previously-generated uniform random. - if (x != null) y = x, x = null; + return p; +} - // Otherwise, generate a new x and y. - else do { - x = source() * 2 - 1; - y = source() * 2 - 1; - r = x * x + y * y; - } while (!r || r > 1); +function cylindricalEqualAreaRaw(phi0) { + var cosPhi0 = cos(phi0); - return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); - }; + function forward(lambda, phi) { + return [lambda * cosPhi0, sin(phi) / cosPhi0]; } - randomNormal.source = sourceRandomNormal; - - return randomNormal; -})(defaultSource); + forward.invert = function(x, y) { + return [x / cosPhi0, asin(y * cosPhi0)]; + }; -var logNormal = (function sourceRandomLogNormal(source) { - var N = normal.source(source); + return forward; +} - function randomLogNormal() { - var randomNormal = N.apply(this, arguments); - return function() { - return Math.exp(randomNormal()); - }; - } +function conicEqualAreaRaw(y0, y1) { + var sy0 = sin(y0), n = (sy0 + sin(y1)) / 2; - randomLogNormal.source = sourceRandomLogNormal; + // Are the parallels symmetrical around the Equator? + if (abs(n) < epsilon) return cylindricalEqualAreaRaw(y0); - return randomLogNormal; -})(defaultSource); + var c = 1 + sy0 * (2 * n - sy0), r0 = sqrt(c) / n; -var irwinHall = (function sourceRandomIrwinHall(source) { - function randomIrwinHall(n) { - if ((n = +n) <= 0) return () => 0; - return function() { - for (var sum = 0, i = n; i > 1; --i) sum += source(); - return sum + i * source(); - }; + function project(x, y) { + var r = sqrt(c - 2 * n * sin(y)) / n; + return [r * sin(x *= n), r0 - r * cos(x)]; } - randomIrwinHall.source = sourceRandomIrwinHall; + project.invert = function(x, y) { + var r0y = r0 - y, + l = atan2(x, abs(r0y)) * sign(r0y); + if (r0y * n < 0) + l -= pi * sign(x) * sign(r0y); + return [l / n, asin((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; + }; - return randomIrwinHall; -})(defaultSource); + return project; +} -var bates = (function sourceRandomBates(source) { - var I = irwinHall.source(source); +function conicEqualArea() { + return conicProjection(conicEqualAreaRaw) + .scale(155.424) + .center([0, 33.6442]); +} - function randomBates(n) { - // use limiting distribution at n === 0 - if ((n = +n) === 0) return source; - var randomIrwinHall = I(n); - return function() { - return randomIrwinHall() / n; - }; - } +function albers() { + return conicEqualArea() + .parallels([29.5, 45.5]) + .scale(1070) + .translate([480, 250]) + .rotate([96, 0]) + .center([-0.6, 38.7]); +} - randomBates.source = sourceRandomBates; +// The projections must have mutually exclusive clip regions on the sphere, +// as this will avoid emitting interleaving lines and polygons. +function multiplex(streams) { + var n = streams.length; + return { + point: function(x, y) { var i = -1; while (++i < n) streams[i].point(x, y); }, + sphere: function() { var i = -1; while (++i < n) streams[i].sphere(); }, + lineStart: function() { var i = -1; while (++i < n) streams[i].lineStart(); }, + lineEnd: function() { var i = -1; while (++i < n) streams[i].lineEnd(); }, + polygonStart: function() { var i = -1; while (++i < n) streams[i].polygonStart(); }, + polygonEnd: function() { var i = -1; while (++i < n) streams[i].polygonEnd(); } + }; +} - return randomBates; -})(defaultSource); +// A composite projection for the United States, configured by default for +// 960×500. The projection also works quite well at 960×600 if you change the +// scale to 1285 and adjust the translate accordingly. The set of standard +// parallels for each region comes from USGS, which is published here: +// http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers +function albersUsa() { + var cache, + cacheStream, + lower48 = albers(), lower48Point, + alaska = conicEqualArea().rotate([154, 0]).center([-2, 58.5]).parallels([55, 65]), alaskaPoint, // EPSG:3338 + hawaii = conicEqualArea().rotate([157, 0]).center([-3, 19.9]).parallels([8, 18]), hawaiiPoint, // ESRI:102007 + point, pointStream = {point: function(x, y) { point = [x, y]; }}; -var exponential = (function sourceRandomExponential(source) { - function randomExponential(lambda) { - return function() { - return -Math.log1p(-source()) / lambda; - }; + function albersUsa(coordinates) { + var x = coordinates[0], y = coordinates[1]; + return point = null, + (lower48Point.point(x, y), point) + || (alaskaPoint.point(x, y), point) + || (hawaiiPoint.point(x, y), point); } - randomExponential.source = sourceRandomExponential; + albersUsa.invert = function(coordinates) { + var k = lower48.scale(), + t = lower48.translate(), + x = (coordinates[0] - t[0]) / k, + y = (coordinates[1] - t[1]) / k; + return (y >= 0.120 && y < 0.234 && x >= -0.425 && x < -0.214 ? alaska + : y >= 0.166 && y < 0.234 && x >= -0.214 && x < -0.115 ? hawaii + : lower48).invert(coordinates); + }; - return randomExponential; -})(defaultSource); + albersUsa.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = multiplex([lower48.stream(cacheStream = stream), alaska.stream(stream), hawaii.stream(stream)]); + }; -var pareto = (function sourceRandomPareto(source) { - function randomPareto(alpha) { - if ((alpha = +alpha) < 0) throw new RangeError("invalid alpha"); - alpha = 1 / -alpha; - return function() { - return Math.pow(1 - source(), alpha); - }; - } + albersUsa.precision = function(_) { + if (!arguments.length) return lower48.precision(); + lower48.precision(_), alaska.precision(_), hawaii.precision(_); + return reset(); + }; - randomPareto.source = sourceRandomPareto; + albersUsa.scale = function(_) { + if (!arguments.length) return lower48.scale(); + lower48.scale(_), alaska.scale(_ * 0.35), hawaii.scale(_); + return albersUsa.translate(lower48.translate()); + }; - return randomPareto; -})(defaultSource); + albersUsa.translate = function(_) { + if (!arguments.length) return lower48.translate(); + var k = lower48.scale(), x = +_[0], y = +_[1]; -var bernoulli = (function sourceRandomBernoulli(source) { - function randomBernoulli(p) { - if ((p = +p) < 0 || p > 1) throw new RangeError("invalid p"); - return function() { - return Math.floor(source() + p); - }; - } + lower48Point = lower48 + .translate(_) + .clipExtent([[x - 0.455 * k, y - 0.238 * k], [x + 0.455 * k, y + 0.238 * k]]) + .stream(pointStream); - randomBernoulli.source = sourceRandomBernoulli; + alaskaPoint = alaska + .translate([x - 0.307 * k, y + 0.201 * k]) + .clipExtent([[x - 0.425 * k + epsilon, y + 0.120 * k + epsilon], [x - 0.214 * k - epsilon, y + 0.234 * k - epsilon]]) + .stream(pointStream); - return randomBernoulli; -})(defaultSource); + hawaiiPoint = hawaii + .translate([x - 0.205 * k, y + 0.212 * k]) + .clipExtent([[x - 0.214 * k + epsilon, y + 0.166 * k + epsilon], [x - 0.115 * k - epsilon, y + 0.234 * k - epsilon]]) + .stream(pointStream); -var geometric = (function sourceRandomGeometric(source) { - function randomGeometric(p) { - if ((p = +p) < 0 || p > 1) throw new RangeError("invalid p"); - if (p === 0) return () => Infinity; - if (p === 1) return () => 1; - p = Math.log1p(-p); - return function() { - return 1 + Math.floor(Math.log1p(-source()) / p); - }; - } + return reset(); + }; - randomGeometric.source = sourceRandomGeometric; + albersUsa.fitExtent = function(extent, object) { + return fitExtent(albersUsa, extent, object); + }; - return randomGeometric; -})(defaultSource); + albersUsa.fitSize = function(size, object) { + return fitSize(albersUsa, size, object); + }; -var gamma = (function sourceRandomGamma(source) { - var randomNormal = normal.source(source)(); + albersUsa.fitWidth = function(width, object) { + return fitWidth(albersUsa, width, object); + }; - function randomGamma(k, theta) { - if ((k = +k) < 0) throw new RangeError("invalid k"); - // degenerate distribution if k === 0 - if (k === 0) return () => 0; - theta = theta == null ? 1 : +theta; - // exponential distribution if k === 1 - if (k === 1) return () => -Math.log1p(-source()) * theta; + albersUsa.fitHeight = function(height, object) { + return fitHeight(albersUsa, height, object); + }; - var d = (k < 1 ? k + 1 : k) - 1 / 3, - c = 1 / (3 * Math.sqrt(d)), - multiplier = k < 1 ? () => Math.pow(source(), 1 / k) : () => 1; - return function() { - do { - do { - var x = randomNormal(), - v = 1 + c * x; - } while (v <= 0); - v *= v * v; - var u = 1 - source(); - } while (u >= 1 - 0.0331 * x * x * x * x && Math.log(u) >= 0.5 * x * x + d * (1 - v + Math.log(v))); - return d * v * multiplier() * theta; - }; + function reset() { + cache = cacheStream = null; + return albersUsa; } - randomGamma.source = sourceRandomGamma; - - return randomGamma; -})(defaultSource); + return albersUsa.scale(1070); +} -var beta = (function sourceRandomBeta(source) { - var G = gamma.source(source); +function azimuthalRaw(scale) { + return function(x, y) { + var cx = cos(x), + cy = cos(y), + k = scale(cx * cy); + if (k === Infinity) return [2, 0]; + return [ + k * cy * sin(x), + k * sin(y) + ]; + } +} - function randomBeta(alpha, beta) { - var X = G(alpha), - Y = G(beta); - return function() { - var x = X(); - return x === 0 ? 0 : x / (x + Y()); - }; +function azimuthalInvert(angle) { + return function(x, y) { + var z = sqrt(x * x + y * y), + c = angle(z), + sc = sin(c), + cc = cos(c); + return [ + atan2(x * sc, z * cc), + asin(z && y * sc / z) + ]; } +} - randomBeta.source = sourceRandomBeta; +var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) { + return sqrt(2 / (1 + cxcy)); +}); - return randomBeta; -})(defaultSource); +azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { + return 2 * asin(z / 2); +}); -var binomial = (function sourceRandomBinomial(source) { - var G = geometric.source(source), - B = beta.source(source); +function azimuthalEqualArea() { + return projection(azimuthalEqualAreaRaw) + .scale(124.75) + .clipAngle(180 - 1e-3); +} - function randomBinomial(n, p) { - n = +n; - if ((p = +p) >= 1) return () => n; - if (p <= 0) return () => 0; - return function() { - var acc = 0, nn = n, pp = p; - while (nn * pp > 16 && nn * (1 - pp) > 16) { - var i = Math.floor((nn + 1) * pp), - y = B(i, nn - i + 1)(); - if (y <= pp) { - acc += i; - nn -= i; - pp = (pp - y) / (1 - y); - } else { - nn = i - 1; - pp /= y; - } - } - var sign = pp < 0.5, - pFinal = sign ? pp : 1 - pp, - g = G(pFinal); - for (var s = g(), k = 0; s <= nn; ++k) s += g(); - return acc + (sign ? k : nn - k); - }; - } +var azimuthalEquidistantRaw = azimuthalRaw(function(c) { + return (c = acos(c)) && c / sin(c); +}); - randomBinomial.source = sourceRandomBinomial; +azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { + return z; +}); - return randomBinomial; -})(defaultSource); +function azimuthalEquidistant() { + return projection(azimuthalEquidistantRaw) + .scale(79.4188) + .clipAngle(180 - 1e-3); +} -var weibull = (function sourceRandomWeibull(source) { - function randomWeibull(k, a, b) { - var outerFunc; - if ((k = +k) === 0) { - outerFunc = x => -Math.log(x); - } else { - k = 1 / k; - outerFunc = x => Math.pow(x, k); - } - a = a == null ? 0 : +a; - b = b == null ? 1 : +b; - return function() { - return a + b * outerFunc(-Math.log1p(-source())); - }; - } +function mercatorRaw(lambda, phi) { + return [lambda, log(tan((halfPi + phi) / 2))]; +} - randomWeibull.source = sourceRandomWeibull; +mercatorRaw.invert = function(x, y) { + return [x, 2 * atan(exp(y)) - halfPi]; +}; - return randomWeibull; -})(defaultSource); +function mercator() { + return mercatorProjection(mercatorRaw) + .scale(961 / tau); +} -var cauchy = (function sourceRandomCauchy(source) { - function randomCauchy(a, b) { - a = a == null ? 0 : +a; - b = b == null ? 1 : +b; - return function() { - return a + b * Math.tan(Math.PI * source()); - }; - } +function mercatorProjection(project) { + var m = projection(project), + center = m.center, + scale = m.scale, + translate = m.translate, + clipExtent = m.clipExtent, + x0 = null, y0, x1, y1; // clip extent - randomCauchy.source = sourceRandomCauchy; + m.scale = function(_) { + return arguments.length ? (scale(_), reclip()) : scale(); + }; - return randomCauchy; -})(defaultSource); + m.translate = function(_) { + return arguments.length ? (translate(_), reclip()) : translate(); + }; -var logistic = (function sourceRandomLogistic(source) { - function randomLogistic(a, b) { - a = a == null ? 0 : +a; - b = b == null ? 1 : +b; - return function() { - var u = source(); - return a + b * Math.log(u / (1 - u)); - }; + m.center = function(_) { + return arguments.length ? (center(_), reclip()) : center(); + }; + + m.clipExtent = function(_) { + return arguments.length ? ((_ == null ? x0 = y0 = x1 = y1 = null : (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1])), reclip()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + }; + + function reclip() { + var k = pi * scale(), + t = m(rotation(m.rotate()).invert([0, 0])); + return clipExtent(x0 == null + ? [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]] : project === mercatorRaw + ? [[Math.max(t[0] - k, x0), y0], [Math.min(t[0] + k, x1), y1]] + : [[x0, Math.max(t[1] - k, y0)], [x1, Math.min(t[1] + k, y1)]]); } - randomLogistic.source = sourceRandomLogistic; + return reclip(); +} - return randomLogistic; -})(defaultSource); +function tany(y) { + return tan((halfPi + y) / 2); +} -var poisson = (function sourceRandomPoisson(source) { - var G = gamma.source(source), - B = binomial.source(source); +function conicConformalRaw(y0, y1) { + var cy0 = cos(y0), + n = y0 === y1 ? sin(y0) : log(cy0 / cos(y1)) / log(tany(y1) / tany(y0)), + f = cy0 * pow(tany(y0), n) / n; - function randomPoisson(lambda) { - return function() { - var acc = 0, l = lambda; - while (l > 16) { - var n = Math.floor(0.875 * l), - t = G(n)(); - if (t > l) return acc + B(n - 1, l / t)(); - acc += n; - l -= t; - } - for (var s = -Math.log1p(-source()), k = 0; s <= l; ++k) s -= Math.log1p(-source()); - return acc + k; - }; - } + if (!n) return mercatorRaw; - randomPoisson.source = sourceRandomPoisson; + function project(x, y) { + if (f > 0) { if (y < -halfPi + epsilon) y = -halfPi + epsilon; } + else { if (y > halfPi - epsilon) y = halfPi - epsilon; } + var r = f / pow(tany(y), n); + return [r * sin(n * x), f - r * cos(n * x)]; + } - return randomPoisson; -})(defaultSource); + project.invert = function(x, y) { + var fy = f - y, r = sign(n) * sqrt(x * x + fy * fy), + l = atan2(x, abs(fy)) * sign(fy); + if (fy * n < 0) + l -= pi * sign(x) * sign(fy); + return [l / n, 2 * atan(pow(f / r, 1 / n)) - halfPi]; + }; -// https://en.wikipedia.org/wiki/Linear_congruential_generator#Parameters_in_common_use -const mul = 0x19660D; -const inc = 0x3C6EF35F; -const eps = 1 / 0x100000000; + return project; +} -function lcg(seed = Math.random()) { - let state = (0 <= seed && seed < 1 ? seed / eps : Math.abs(seed)) | 0; - return () => (state = mul * state + inc | 0, eps * (state >>> 0)); +function conicConformal() { + return conicProjection(conicConformalRaw) + .scale(109.5) + .parallels([30, 30]); } -exports.randomBates = bates; -exports.randomBernoulli = bernoulli; -exports.randomBeta = beta; -exports.randomBinomial = binomial; -exports.randomCauchy = cauchy; -exports.randomExponential = exponential; -exports.randomGamma = gamma; -exports.randomGeometric = geometric; -exports.randomInt = int; -exports.randomIrwinHall = irwinHall; -exports.randomLcg = lcg; -exports.randomLogNormal = logNormal; -exports.randomLogistic = logistic; -exports.randomNormal = normal; -exports.randomPareto = pareto; -exports.randomPoisson = poisson; -exports.randomUniform = uniform; -exports.randomWeibull = weibull; +function equirectangularRaw(lambda, phi) { + return [lambda, phi]; +} -Object.defineProperty(exports, '__esModule', { value: true }); +equirectangularRaw.invert = equirectangularRaw; -}))); -}); +function equirectangular() { + return projection(equirectangularRaw) + .scale(152.63); +} -var d3Time = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-time/ v2.1.1 Copyright 2021 Mike Bostock -(function (global, factory) { -factory(exports, d3Array) ; -}(commonjsGlobal, (function (exports, d3Array) { -var t0 = new Date, - t1 = new Date; +function conicEquidistantRaw(y0, y1) { + var cy0 = cos(y0), + n = y0 === y1 ? sin(y0) : (cy0 - cos(y1)) / (y1 - y0), + g = cy0 / n + y0; -function newInterval(floori, offseti, count, field) { + if (abs(n) < epsilon) return equirectangularRaw; - function interval(date) { - return floori(date = arguments.length === 0 ? new Date : new Date(+date)), date; + function project(x, y) { + var gy = g - y, nx = n * x; + return [gy * sin(nx), g - gy * cos(nx)]; } - interval.floor = function(date) { - return floori(date = new Date(+date)), date; - }; - - interval.ceil = function(date) { - return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; - }; - - interval.round = function(date) { - var d0 = interval(date), - d1 = interval.ceil(date); - return date - d0 < d1 - date ? d0 : d1; + project.invert = function(x, y) { + var gy = g - y, + l = atan2(x, abs(gy)) * sign(gy); + if (gy * n < 0) + l -= pi * sign(x) * sign(gy); + return [l / n, g - sign(n) * sqrt(x * x + gy * gy)]; }; - interval.offset = function(date, step) { - return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; - }; + return project; +} - interval.range = function(start, stop, step) { - var range = [], previous; - start = interval.ceil(start); - step = step == null ? 1 : Math.floor(step); - if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date - do range.push(previous = new Date(+start)), offseti(start, step), floori(start); - while (previous < start && start < stop); - return range; - }; +function conicEquidistant() { + return conicProjection(conicEquidistantRaw) + .scale(131.154) + .center([0, 13.9389]); +} - interval.filter = function(test) { - return newInterval(function(date) { - if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1); - }, function(date, step) { - if (date >= date) { - if (step < 0) while (++step <= 0) { - while (offseti(date, -1), !test(date)) {} // eslint-disable-line no-empty - } else while (--step >= 0) { - while (offseti(date, +1), !test(date)) {} // eslint-disable-line no-empty - } - } - }); - }; +var A1 = 1.340264, + A2 = -0.081106, + A3 = 0.000893, + A4 = 0.003796, + M = sqrt(3) / 2, + iterations = 12; - if (count) { - interval.count = function(start, end) { - t0.setTime(+start), t1.setTime(+end); - floori(t0), floori(t1); - return Math.floor(count(t0, t1)); - }; +function equalEarthRaw(lambda, phi) { + var l = asin(M * sin(phi)), l2 = l * l, l6 = l2 * l2 * l2; + return [ + lambda * cos(l) / (M * (A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2))), + l * (A1 + A2 * l2 + l6 * (A3 + A4 * l2)) + ]; +} - interval.every = function(step) { - step = Math.floor(step); - return !isFinite(step) || !(step > 0) ? null - : !(step > 1) ? interval - : interval.filter(field - ? function(d) { return field(d) % step === 0; } - : function(d) { return interval.count(0, d) % step === 0; }); - }; +equalEarthRaw.invert = function(x, y) { + var l = y, l2 = l * l, l6 = l2 * l2 * l2; + for (var i = 0, delta, fy, fpy; i < iterations; ++i) { + fy = l * (A1 + A2 * l2 + l6 * (A3 + A4 * l2)) - y; + fpy = A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2); + l -= delta = fy / fpy, l2 = l * l, l6 = l2 * l2 * l2; + if (abs(delta) < epsilon2) break; } + return [ + M * x * (A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2)) / cos(l), + asin(sin(l) / M) + ]; +}; - return interval; +function equalEarth() { + return projection(equalEarthRaw) + .scale(177.158); } -var millisecond = newInterval(function() { - // noop -}, function(date, step) { - date.setTime(+date + step); -}, function(start, end) { - return end - start; -}); - -// An optimized implementation for this simple case. -millisecond.every = function(k) { - k = Math.floor(k); - if (!isFinite(k) || !(k > 0)) return null; - if (!(k > 1)) return millisecond; - return newInterval(function(date) { - date.setTime(Math.floor(date / k) * k); - }, function(date, step) { - date.setTime(+date + step * k); - }, function(start, end) { - return (end - start) / k; - }); -}; -var milliseconds = millisecond.range; +function gnomonicRaw(x, y) { + var cy = cos(y), k = cos(x) * cy; + return [cy * sin(x) / k, sin(y) / k]; +} -const durationSecond = 1000; -const durationMinute = durationSecond * 60; -const durationHour = durationMinute * 60; -const durationDay = durationHour * 24; -const durationWeek = durationDay * 7; -const durationMonth = durationDay * 30; -const durationYear = durationDay * 365; +gnomonicRaw.invert = azimuthalInvert(atan); -var second = newInterval(function(date) { - date.setTime(date - date.getMilliseconds()); -}, function(date, step) { - date.setTime(+date + step * durationSecond); -}, function(start, end) { - return (end - start) / durationSecond; -}, function(date) { - return date.getUTCSeconds(); -}); -var seconds = second.range; +function gnomonic() { + return projection(gnomonicRaw) + .scale(144.049) + .clipAngle(60); +} -var minute = newInterval(function(date) { - date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond); -}, function(date, step) { - date.setTime(+date + step * durationMinute); -}, function(start, end) { - return (end - start) / durationMinute; -}, function(date) { - return date.getMinutes(); -}); -var minutes = minute.range; +function identity$1() { + var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, // scale, translate and reflect + alpha = 0, ca, sa, // angle + x0 = null, y0, x1, y1, // clip extent + kx = 1, ky = 1, + transform = transformer({ + point: function(x, y) { + var p = projection([x, y]); + this.stream.point(p[0], p[1]); + } + }), + postclip = identity, + cache, + cacheStream; -var hour = newInterval(function(date) { - date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond - date.getMinutes() * durationMinute); -}, function(date, step) { - date.setTime(+date + step * durationHour); -}, function(start, end) { - return (end - start) / durationHour; -}, function(date) { - return date.getHours(); -}); -var hours = hour.range; + function reset() { + kx = k * sx; + ky = k * sy; + cache = cacheStream = null; + return projection; + } -var day = newInterval( - date => date.setHours(0, 0, 0, 0), - (date, step) => date.setDate(date.getDate() + step), - (start, end) => (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay, - date => date.getDate() - 1 -); -var days = day.range; + function projection (p) { + var x = p[0] * kx, y = p[1] * ky; + if (alpha) { + var t = y * ca - x * sa; + x = x * ca + y * sa; + y = t; + } + return [x + tx, y + ty]; + } + projection.invert = function(p) { + var x = p[0] - tx, y = p[1] - ty; + if (alpha) { + var t = y * ca + x * sa; + x = x * ca - y * sa; + y = t; + } + return [x / kx, y / ky]; + }; + projection.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = transform(postclip(cacheStream = stream)); + }; + projection.postclip = function(_) { + return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; + }; + projection.clipExtent = function(_) { + return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + }; + projection.scale = function(_) { + return arguments.length ? (k = +_, reset()) : k; + }; + projection.translate = function(_) { + return arguments.length ? (tx = +_[0], ty = +_[1], reset()) : [tx, ty]; + }; + projection.angle = function(_) { + return arguments.length ? (alpha = _ % 360 * radians, sa = sin(alpha), ca = cos(alpha), reset()) : alpha * degrees; + }; + projection.reflectX = function(_) { + return arguments.length ? (sx = _ ? -1 : 1, reset()) : sx < 0; + }; + projection.reflectY = function(_) { + return arguments.length ? (sy = _ ? -1 : 1, reset()) : sy < 0; + }; + projection.fitExtent = function(extent, object) { + return fitExtent(projection, extent, object); + }; + projection.fitSize = function(size, object) { + return fitSize(projection, size, object); + }; + projection.fitWidth = function(width, object) { + return fitWidth(projection, width, object); + }; + projection.fitHeight = function(height, object) { + return fitHeight(projection, height, object); + }; -function weekday(i) { - return newInterval(function(date) { - date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setDate(date.getDate() + step * 7); - }, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; - }); + return projection; } -var sunday = weekday(0); -var monday = weekday(1); -var tuesday = weekday(2); -var wednesday = weekday(3); -var thursday = weekday(4); -var friday = weekday(5); -var saturday = weekday(6); +function naturalEarth1Raw(lambda, phi) { + var phi2 = phi * phi, phi4 = phi2 * phi2; + return [ + lambda * (0.8707 - 0.131979 * phi2 + phi4 * (-0.013791 + phi4 * (0.003971 * phi2 - 0.001529 * phi4))), + phi * (1.007226 + phi2 * (0.015085 + phi4 * (-0.044475 + 0.028874 * phi2 - 0.005916 * phi4))) + ]; +} -var sundays = sunday.range; -var mondays = monday.range; -var tuesdays = tuesday.range; -var wednesdays = wednesday.range; -var thursdays = thursday.range; -var fridays = friday.range; -var saturdays = saturday.range; +naturalEarth1Raw.invert = function(x, y) { + var phi = y, i = 25, delta; + do { + var phi2 = phi * phi, phi4 = phi2 * phi2; + phi -= delta = (phi * (1.007226 + phi2 * (0.015085 + phi4 * (-0.044475 + 0.028874 * phi2 - 0.005916 * phi4))) - y) / + (1.007226 + phi2 * (0.015085 * 3 + phi4 * (-0.044475 * 7 + 0.028874 * 9 * phi2 - 0.005916 * 11 * phi4))); + } while (abs(delta) > epsilon && --i > 0); + return [ + x / (0.8707 + (phi2 = phi * phi) * (-0.131979 + phi2 * (-0.013791 + phi2 * phi2 * phi2 * (0.003971 - 0.001529 * phi2)))), + phi + ]; +}; -var month = newInterval(function(date) { - date.setDate(1); - date.setHours(0, 0, 0, 0); -}, function(date, step) { - date.setMonth(date.getMonth() + step); -}, function(start, end) { - return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; -}, function(date) { - return date.getMonth(); -}); -var months = month.range; +function naturalEarth1() { + return projection(naturalEarth1Raw) + .scale(175.295); +} -var year = newInterval(function(date) { - date.setMonth(0, 1); - date.setHours(0, 0, 0, 0); -}, function(date, step) { - date.setFullYear(date.getFullYear() + step); -}, function(start, end) { - return end.getFullYear() - start.getFullYear(); -}, function(date) { - return date.getFullYear(); -}); +function orthographicRaw(x, y) { + return [cos(y) * sin(x), sin(y)]; +} -// An optimized implementation for this simple case. -year.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { - date.setFullYear(Math.floor(date.getFullYear() / k) * k); - date.setMonth(0, 1); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setFullYear(date.getFullYear() + step * k); - }); -}; -var years = year.range; +orthographicRaw.invert = azimuthalInvert(asin); -var utcMinute = newInterval(function(date) { - date.setUTCSeconds(0, 0); -}, function(date, step) { - date.setTime(+date + step * durationMinute); -}, function(start, end) { - return (end - start) / durationMinute; -}, function(date) { - return date.getUTCMinutes(); -}); -var utcMinutes = utcMinute.range; +function orthographic() { + return projection(orthographicRaw) + .scale(249.5) + .clipAngle(90 + epsilon); +} -var utcHour = newInterval(function(date) { - date.setUTCMinutes(0, 0, 0); -}, function(date, step) { - date.setTime(+date + step * durationHour); -}, function(start, end) { - return (end - start) / durationHour; -}, function(date) { - return date.getUTCHours(); -}); -var utcHours = utcHour.range; +function stereographicRaw(x, y) { + var cy = cos(y), k = 1 + cos(x) * cy; + return [cy * sin(x) / k, sin(y) / k]; +} -var utcDay = newInterval(function(date) { - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCDate(date.getUTCDate() + step); -}, function(start, end) { - return (end - start) / durationDay; -}, function(date) { - return date.getUTCDate() - 1; +stereographicRaw.invert = azimuthalInvert(function(z) { + return 2 * atan(z); }); -var utcDays = utcDay.range; -function utcWeekday(i) { - return newInterval(function(date) { - date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCDate(date.getUTCDate() + step * 7); - }, function(start, end) { - return (end - start) / durationWeek; - }); +function stereographic() { + return projection(stereographicRaw) + .scale(250) + .clipAngle(142); } -var utcSunday = utcWeekday(0); -var utcMonday = utcWeekday(1); -var utcTuesday = utcWeekday(2); -var utcWednesday = utcWeekday(3); -var utcThursday = utcWeekday(4); -var utcFriday = utcWeekday(5); -var utcSaturday = utcWeekday(6); +function transverseMercatorRaw(lambda, phi) { + return [log(tan((halfPi + phi) / 2)), -lambda]; +} -var utcSundays = utcSunday.range; -var utcMondays = utcMonday.range; -var utcTuesdays = utcTuesday.range; -var utcWednesdays = utcWednesday.range; -var utcThursdays = utcThursday.range; -var utcFridays = utcFriday.range; -var utcSaturdays = utcSaturday.range; +transverseMercatorRaw.invert = function(x, y) { + return [-y, 2 * atan(exp(x)) - halfPi]; +}; -var utcMonth = newInterval(function(date) { - date.setUTCDate(1); - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCMonth(date.getUTCMonth() + step); -}, function(start, end) { - return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; -}, function(date) { - return date.getUTCMonth(); -}); -var utcMonths = utcMonth.range; +function transverseMercator() { + var m = mercatorProjection(transverseMercatorRaw), + center = m.center, + rotate = m.rotate; -var utcYear = newInterval(function(date) { - date.setUTCMonth(0, 1); - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCFullYear(date.getUTCFullYear() + step); -}, function(start, end) { - return end.getUTCFullYear() - start.getUTCFullYear(); -}, function(date) { - return date.getUTCFullYear(); -}); + m.center = function(_) { + return arguments.length ? center([-_[1], _[0]]) : (_ = center(), [_[1], -_[0]]); + }; -// An optimized implementation for this simple case. -utcYear.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { - date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); - date.setUTCMonth(0, 1); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCFullYear(date.getUTCFullYear() + step * k); - }); -}; -var utcYears = utcYear.range; + m.rotate = function(_) { + return arguments.length ? rotate([_[0], _[1], _.length > 2 ? _[2] + 90 : 90]) : (_ = rotate(), [_[0], _[1], _[2] - 90]); + }; -function ticker(year, month, week, day, hour, minute) { + return rotate([0, 0, 90]) + .scale(159.155); +} - const tickIntervals = [ - [second, 1, durationSecond], - [second, 5, 5 * durationSecond], - [second, 15, 15 * durationSecond], - [second, 30, 30 * durationSecond], - [minute, 1, durationMinute], - [minute, 5, 5 * durationMinute], - [minute, 15, 15 * durationMinute], - [minute, 30, 30 * durationMinute], - [ hour, 1, durationHour ], - [ hour, 3, 3 * durationHour ], - [ hour, 6, 6 * durationHour ], - [ hour, 12, 12 * durationHour ], - [ day, 1, durationDay ], - [ day, 2, 2 * durationDay ], - [ week, 1, durationWeek ], - [ month, 1, durationMonth ], - [ month, 3, 3 * durationMonth ], - [ year, 1, durationYear ] - ]; +exports.geoAlbers = albers; +exports.geoAlbersUsa = albersUsa; +exports.geoArea = area; +exports.geoAzimuthalEqualArea = azimuthalEqualArea; +exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; +exports.geoAzimuthalEquidistant = azimuthalEquidistant; +exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; +exports.geoBounds = bounds; +exports.geoCentroid = centroid; +exports.geoCircle = circle; +exports.geoClipAntimeridian = clipAntimeridian; +exports.geoClipCircle = clipCircle; +exports.geoClipExtent = extent; +exports.geoClipRectangle = clipRectangle; +exports.geoConicConformal = conicConformal; +exports.geoConicConformalRaw = conicConformalRaw; +exports.geoConicEqualArea = conicEqualArea; +exports.geoConicEqualAreaRaw = conicEqualAreaRaw; +exports.geoConicEquidistant = conicEquidistant; +exports.geoConicEquidistantRaw = conicEquidistantRaw; +exports.geoContains = contains; +exports.geoDistance = distance; +exports.geoEqualEarth = equalEarth; +exports.geoEqualEarthRaw = equalEarthRaw; +exports.geoEquirectangular = equirectangular; +exports.geoEquirectangularRaw = equirectangularRaw; +exports.geoGnomonic = gnomonic; +exports.geoGnomonicRaw = gnomonicRaw; +exports.geoGraticule = graticule; +exports.geoGraticule10 = graticule10; +exports.geoIdentity = identity$1; +exports.geoInterpolate = interpolate; +exports.geoLength = length; +exports.geoMercator = mercator; +exports.geoMercatorRaw = mercatorRaw; +exports.geoNaturalEarth1 = naturalEarth1; +exports.geoNaturalEarth1Raw = naturalEarth1Raw; +exports.geoOrthographic = orthographic; +exports.geoOrthographicRaw = orthographicRaw; +exports.geoPath = index; +exports.geoProjection = projection; +exports.geoProjectionMutator = projectionMutator; +exports.geoRotation = rotation; +exports.geoStereographic = stereographic; +exports.geoStereographicRaw = stereographicRaw; +exports.geoStream = geoStream; +exports.geoTransform = transform; +exports.geoTransverseMercator = transverseMercator; +exports.geoTransverseMercatorRaw = transverseMercatorRaw; - function ticks(start, stop, count) { - const reverse = stop < start; - if (reverse) [start, stop] = [stop, start]; - const interval = count && typeof count.range === "function" ? count : tickInterval(start, stop, count); - const ticks = interval ? interval.range(start, +stop + 1) : []; // inclusive stop - return reverse ? ticks.reverse() : ticks; - } +Object.defineProperty(exports, '__esModule', { value: true }); - function tickInterval(start, stop, count) { - const target = Math.abs(stop - start) / count; - const i = d3Array.bisector(([,, step]) => step).right(tickIntervals, target); - if (i === tickIntervals.length) return year.every(d3Array.tickStep(start / durationYear, stop / durationYear, count)); - if (i === 0) return millisecond.every(Math.max(d3Array.tickStep(start, stop, count), 1)); - const [t, step] = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; - return t.every(step); - } +})); +}); - return [ticks, tickInterval]; +var d3Hierarchy = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-hierarchy/ v2.0.0 Copyright 2020 Mike Bostock +(function (global, factory) { +factory(exports) ; +}(commonjsGlobal, function (exports) { +function defaultSeparation(a, b) { + return a.parent === b.parent ? 1 : 2; } -const [utcTicks, utcTickInterval] = ticker(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute); -const [timeTicks, timeTickInterval] = ticker(year, month, sunday, day, hour, minute); - -exports.timeDay = day; -exports.timeDays = days; -exports.timeFriday = friday; -exports.timeFridays = fridays; -exports.timeHour = hour; -exports.timeHours = hours; -exports.timeInterval = newInterval; -exports.timeMillisecond = millisecond; -exports.timeMilliseconds = milliseconds; -exports.timeMinute = minute; -exports.timeMinutes = minutes; -exports.timeMonday = monday; -exports.timeMondays = mondays; -exports.timeMonth = month; -exports.timeMonths = months; -exports.timeSaturday = saturday; -exports.timeSaturdays = saturdays; -exports.timeSecond = second; -exports.timeSeconds = seconds; -exports.timeSunday = sunday; -exports.timeSundays = sundays; -exports.timeThursday = thursday; -exports.timeThursdays = thursdays; -exports.timeTickInterval = timeTickInterval; -exports.timeTicks = timeTicks; -exports.timeTuesday = tuesday; -exports.timeTuesdays = tuesdays; -exports.timeWednesday = wednesday; -exports.timeWednesdays = wednesdays; -exports.timeWeek = sunday; -exports.timeWeeks = sundays; -exports.timeYear = year; -exports.timeYears = years; -exports.utcDay = utcDay; -exports.utcDays = utcDays; -exports.utcFriday = utcFriday; -exports.utcFridays = utcFridays; -exports.utcHour = utcHour; -exports.utcHours = utcHours; -exports.utcMillisecond = millisecond; -exports.utcMilliseconds = milliseconds; -exports.utcMinute = utcMinute; -exports.utcMinutes = utcMinutes; -exports.utcMonday = utcMonday; -exports.utcMondays = utcMondays; -exports.utcMonth = utcMonth; -exports.utcMonths = utcMonths; -exports.utcSaturday = utcSaturday; -exports.utcSaturdays = utcSaturdays; -exports.utcSecond = second; -exports.utcSeconds = seconds; -exports.utcSunday = utcSunday; -exports.utcSundays = utcSundays; -exports.utcThursday = utcThursday; -exports.utcThursdays = utcThursdays; -exports.utcTickInterval = utcTickInterval; -exports.utcTicks = utcTicks; -exports.utcTuesday = utcTuesday; -exports.utcTuesdays = utcTuesdays; -exports.utcWednesday = utcWednesday; -exports.utcWednesdays = utcWednesdays; -exports.utcWeek = utcSunday; -exports.utcWeeks = utcSundays; -exports.utcYear = utcYear; -exports.utcYears = utcYears; +function meanX(children) { + return children.reduce(meanXReduce, 0) / children.length; +} -Object.defineProperty(exports, '__esModule', { value: true }); +function meanXReduce(x, c) { + return x + c.x; +} -}))); -}); +function maxY(children) { + return 1 + children.reduce(maxYReduce, 0); +} -var d3TimeFormat = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-time-format/ v3.0.0 Copyright 2020 Mike Bostock -(function (global, factory) { -factory(exports, d3Time) ; -}(commonjsGlobal, function (exports, d3Time) { -function localDate(d) { - if (0 <= d.y && d.y < 100) { - var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); - date.setFullYear(d.y); - return date; - } - return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); +function maxYReduce(y, c) { + return Math.max(y, c.y); } -function utcDate(d) { - if (0 <= d.y && d.y < 100) { - var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); - date.setUTCFullYear(d.y); - return date; - } - return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); +function leafLeft(node) { + var children; + while (children = node.children) node = children[0]; + return node; } -function newDate(y, m, d) { - return {y: y, m: m, d: d, H: 0, M: 0, S: 0, L: 0}; +function leafRight(node) { + var children; + while (children = node.children) node = children[children.length - 1]; + return node; } -function formatLocale(locale) { - var locale_dateTime = locale.dateTime, - locale_date = locale.date, - locale_time = locale.time, - locale_periods = locale.periods, - locale_weekdays = locale.days, - locale_shortWeekdays = locale.shortDays, - locale_months = locale.months, - locale_shortMonths = locale.shortMonths; +function cluster() { + var separation = defaultSeparation, + dx = 1, + dy = 1, + nodeSize = false; - var periodRe = formatRe(locale_periods), - periodLookup = formatLookup(locale_periods), - weekdayRe = formatRe(locale_weekdays), - weekdayLookup = formatLookup(locale_weekdays), - shortWeekdayRe = formatRe(locale_shortWeekdays), - shortWeekdayLookup = formatLookup(locale_shortWeekdays), - monthRe = formatRe(locale_months), - monthLookup = formatLookup(locale_months), - shortMonthRe = formatRe(locale_shortMonths), - shortMonthLookup = formatLookup(locale_shortMonths); + function cluster(root) { + var previousNode, + x = 0; - var formats = { - "a": formatShortWeekday, - "A": formatWeekday, - "b": formatShortMonth, - "B": formatMonth, - "c": null, - "d": formatDayOfMonth, - "e": formatDayOfMonth, - "f": formatMicroseconds, - "g": formatYearISO, - "G": formatFullYearISO, - "H": formatHour24, - "I": formatHour12, - "j": formatDayOfYear, - "L": formatMilliseconds, - "m": formatMonthNumber, - "M": formatMinutes, - "p": formatPeriod, - "q": formatQuarter, - "Q": formatUnixTimestamp, - "s": formatUnixTimestampSeconds, - "S": formatSeconds, - "u": formatWeekdayNumberMonday, - "U": formatWeekNumberSunday, - "V": formatWeekNumberISO, - "w": formatWeekdayNumberSunday, - "W": formatWeekNumberMonday, - "x": null, - "X": null, - "y": formatYear, - "Y": formatFullYear, - "Z": formatZone, - "%": formatLiteralPercent - }; + // First walk, computing the initial x & y values. + root.eachAfter(function(node) { + var children = node.children; + if (children) { + node.x = meanX(children); + node.y = maxY(children); + } else { + node.x = previousNode ? x += separation(node, previousNode) : 0; + node.y = 0; + previousNode = node; + } + }); - var utcFormats = { - "a": formatUTCShortWeekday, - "A": formatUTCWeekday, - "b": formatUTCShortMonth, - "B": formatUTCMonth, - "c": null, - "d": formatUTCDayOfMonth, - "e": formatUTCDayOfMonth, - "f": formatUTCMicroseconds, - "g": formatUTCYearISO, - "G": formatUTCFullYearISO, - "H": formatUTCHour24, - "I": formatUTCHour12, - "j": formatUTCDayOfYear, - "L": formatUTCMilliseconds, - "m": formatUTCMonthNumber, - "M": formatUTCMinutes, - "p": formatUTCPeriod, - "q": formatUTCQuarter, - "Q": formatUnixTimestamp, - "s": formatUnixTimestampSeconds, - "S": formatUTCSeconds, - "u": formatUTCWeekdayNumberMonday, - "U": formatUTCWeekNumberSunday, - "V": formatUTCWeekNumberISO, - "w": formatUTCWeekdayNumberSunday, - "W": formatUTCWeekNumberMonday, - "x": null, - "X": null, - "y": formatUTCYear, - "Y": formatUTCFullYear, - "Z": formatUTCZone, - "%": formatLiteralPercent + var left = leafLeft(root), + right = leafRight(root), + x0 = left.x - separation(left, right) / 2, + x1 = right.x + separation(right, left) / 2; + + // Second walk, normalizing x & y to the desired size. + return root.eachAfter(nodeSize ? function(node) { + node.x = (node.x - root.x) * dx; + node.y = (root.y - node.y) * dy; + } : function(node) { + node.x = (node.x - x0) / (x1 - x0) * dx; + node.y = (1 - (root.y ? node.y / root.y : 1)) * dy; + }); + } + + cluster.separation = function(x) { + return arguments.length ? (separation = x, cluster) : separation; }; - var parses = { - "a": parseShortWeekday, - "A": parseWeekday, - "b": parseShortMonth, - "B": parseMonth, - "c": parseLocaleDateTime, - "d": parseDayOfMonth, - "e": parseDayOfMonth, - "f": parseMicroseconds, - "g": parseYear, - "G": parseFullYear, - "H": parseHour24, - "I": parseHour24, - "j": parseDayOfYear, - "L": parseMilliseconds, - "m": parseMonthNumber, - "M": parseMinutes, - "p": parsePeriod, - "q": parseQuarter, - "Q": parseUnixTimestamp, - "s": parseUnixTimestampSeconds, - "S": parseSeconds, - "u": parseWeekdayNumberMonday, - "U": parseWeekNumberSunday, - "V": parseWeekNumberISO, - "w": parseWeekdayNumberSunday, - "W": parseWeekNumberMonday, - "x": parseLocaleDate, - "X": parseLocaleTime, - "y": parseYear, - "Y": parseFullYear, - "Z": parseZone, - "%": parseLiteralPercent + cluster.size = function(x) { + return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? null : [dx, dy]); }; - // These recursive directive definitions must be deferred. - formats.x = newFormat(locale_date, formats); - formats.X = newFormat(locale_time, formats); - formats.c = newFormat(locale_dateTime, formats); - utcFormats.x = newFormat(locale_date, utcFormats); - utcFormats.X = newFormat(locale_time, utcFormats); - utcFormats.c = newFormat(locale_dateTime, utcFormats); + cluster.nodeSize = function(x) { + return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? [dx, dy] : null); + }; - function newFormat(specifier, formats) { - return function(date) { - var string = [], - i = -1, - j = 0, - n = specifier.length, - c, - pad, - format; + return cluster; +} - if (!(date instanceof Date)) date = new Date(+date); +function count(node) { + var sum = 0, + children = node.children, + i = children && children.length; + if (!i) sum = 1; + else while (--i >= 0) sum += children[i].value; + node.value = sum; +} - while (++i < n) { - if (specifier.charCodeAt(i) === 37) { - string.push(specifier.slice(j, i)); - if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); - else pad = c === "e" ? " " : "0"; - if (format = formats[c]) c = format(date, pad); - string.push(c); - j = i + 1; - } - } +function node_count() { + return this.eachAfter(count); +} - string.push(specifier.slice(j, i)); - return string.join(""); - }; +function node_each(callback, that) { + let index = -1; + for (const node of this) { + callback.call(that, node, ++index, this); } + return this; +} - function newParse(specifier, Z) { - return function(string) { - var d = newDate(1900, undefined, 1), - i = parseSpecifier(d, specifier, string += "", 0), - week, day; - if (i != string.length) return null; +function node_eachBefore(callback, that) { + var node = this, nodes = [node], children, i, index = -1; + while (node = nodes.pop()) { + callback.call(that, node, ++index, this); + if (children = node.children) { + for (i = children.length - 1; i >= 0; --i) { + nodes.push(children[i]); + } + } + } + return this; +} - // If a UNIX timestamp is specified, return it. - if ("Q" in d) return new Date(d.Q); - if ("s" in d) return new Date(d.s * 1000 + ("L" in d ? d.L : 0)); +function node_eachAfter(callback, that) { + var node = this, nodes = [node], next = [], children, i, n, index = -1; + while (node = nodes.pop()) { + next.push(node); + if (children = node.children) { + for (i = 0, n = children.length; i < n; ++i) { + nodes.push(children[i]); + } + } + } + while (node = next.pop()) { + callback.call(that, node, ++index, this); + } + return this; +} - // If this is utcParse, never use the local timezone. - if (Z && !("Z" in d)) d.Z = 0; +function node_find(callback, that) { + let index = -1; + for (const node of this) { + if (callback.call(that, node, ++index, this)) { + return node; + } + } +} - // The am-pm flag is 0 for AM, and 1 for PM. - if ("p" in d) d.H = d.H % 12 + d.p * 12; +function node_sum(value) { + return this.eachAfter(function(node) { + var sum = +value(node.data) || 0, + children = node.children, + i = children && children.length; + while (--i >= 0) sum += children[i].value; + node.value = sum; + }); +} - // If the month was not specified, inherit from the quarter. - if (d.m === undefined) d.m = "q" in d ? d.q : 0; +function node_sort(compare) { + return this.eachBefore(function(node) { + if (node.children) { + node.children.sort(compare); + } + }); +} - // Convert day-of-week and week-of-year to day-of-year. - if ("V" in d) { - if (d.V < 1 || d.V > 53) return null; - if (!("w" in d)) d.w = 1; - if ("Z" in d) { - week = utcDate(newDate(d.y, 0, 1)), day = week.getUTCDay(); - week = day > 4 || day === 0 ? d3Time.utcMonday.ceil(week) : d3Time.utcMonday(week); - week = d3Time.utcDay.offset(week, (d.V - 1) * 7); - d.y = week.getUTCFullYear(); - d.m = week.getUTCMonth(); - d.d = week.getUTCDate() + (d.w + 6) % 7; - } else { - week = localDate(newDate(d.y, 0, 1)), day = week.getDay(); - week = day > 4 || day === 0 ? d3Time.timeMonday.ceil(week) : d3Time.timeMonday(week); - week = d3Time.timeDay.offset(week, (d.V - 1) * 7); - d.y = week.getFullYear(); - d.m = week.getMonth(); - d.d = week.getDate() + (d.w + 6) % 7; - } - } else if ("W" in d || "U" in d) { - if (!("w" in d)) d.w = "u" in d ? d.u % 7 : "W" in d ? 1 : 0; - day = "Z" in d ? utcDate(newDate(d.y, 0, 1)).getUTCDay() : localDate(newDate(d.y, 0, 1)).getDay(); - d.m = 0; - d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day + 5) % 7 : d.w + d.U * 7 - (day + 6) % 7; - } +function node_path(end) { + var start = this, + ancestor = leastCommonAncestor(start, end), + nodes = [start]; + while (start !== ancestor) { + start = start.parent; + nodes.push(start); + } + var k = nodes.length; + while (end !== ancestor) { + nodes.splice(k, 0, end); + end = end.parent; + } + return nodes; +} - // If a time zone is specified, all fields are interpreted as UTC and then - // offset according to the specified time zone. - if ("Z" in d) { - d.H += d.Z / 100 | 0; - d.M += d.Z % 100; - return utcDate(d); - } +function leastCommonAncestor(a, b) { + if (a === b) return a; + var aNodes = a.ancestors(), + bNodes = b.ancestors(), + c = null; + a = aNodes.pop(); + b = bNodes.pop(); + while (a === b) { + c = a; + a = aNodes.pop(); + b = bNodes.pop(); + } + return c; +} - // Otherwise, all fields are in local time. - return localDate(d); - }; +function node_ancestors() { + var node = this, nodes = [node]; + while (node = node.parent) { + nodes.push(node); } + return nodes; +} - function parseSpecifier(d, specifier, string, j) { - var i = 0, - n = specifier.length, - m = string.length, - c, - parse; +function node_descendants() { + return Array.from(this); +} - while (i < n) { - if (j >= m) return -1; - c = specifier.charCodeAt(i++); - if (c === 37) { - c = specifier.charAt(i++); - parse = parses[c in pads ? specifier.charAt(i++) : c]; - if (!parse || ((j = parse(d, string, j)) < 0)) return -1; - } else if (c != string.charCodeAt(j++)) { - return -1; - } +function node_leaves() { + var leaves = []; + this.eachBefore(function(node) { + if (!node.children) { + leaves.push(node); } + }); + return leaves; +} - return j; - } +function node_links() { + var root = this, links = []; + root.each(function(node) { + if (node !== root) { // Don’t include the root’s parent, if any. + links.push({source: node.parent, target: node}); + } + }); + return links; +} - function parsePeriod(d, string, i) { - var n = periodRe.exec(string.slice(i)); - return n ? (d.p = periodLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; - } +function* node_iterator() { + var node = this, current, next = [node], children, i, n; + do { + current = next.reverse(), next = []; + while (node = current.pop()) { + yield node; + if (children = node.children) { + for (i = 0, n = children.length; i < n; ++i) { + next.push(children[i]); + } + } + } + } while (next.length); +} - function parseShortWeekday(d, string, i) { - var n = shortWeekdayRe.exec(string.slice(i)); - return n ? (d.w = shortWeekdayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; +function hierarchy(data, children) { + if (data instanceof Map) { + data = [undefined, data]; + if (children === undefined) children = mapChildren; + } else if (children === undefined) { + children = objectChildren; } - function parseWeekday(d, string, i) { - var n = weekdayRe.exec(string.slice(i)); - return n ? (d.w = weekdayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; - } + var root = new Node(data), + node, + nodes = [root], + child, + childs, + i, + n; - function parseShortMonth(d, string, i) { - var n = shortMonthRe.exec(string.slice(i)); - return n ? (d.m = shortMonthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + while (node = nodes.pop()) { + if ((childs = children(node.data)) && (n = (childs = Array.from(childs)).length)) { + node.children = childs; + for (i = n - 1; i >= 0; --i) { + nodes.push(child = childs[i] = new Node(childs[i])); + child.parent = node; + child.depth = node.depth + 1; + } + } } - function parseMonth(d, string, i) { - var n = monthRe.exec(string.slice(i)); - return n ? (d.m = monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; - } + return root.eachBefore(computeHeight); +} - function parseLocaleDateTime(d, string, i) { - return parseSpecifier(d, locale_dateTime, string, i); - } +function node_copy() { + return hierarchy(this).eachBefore(copyData); +} - function parseLocaleDate(d, string, i) { - return parseSpecifier(d, locale_date, string, i); - } +function objectChildren(d) { + return d.children; +} - function parseLocaleTime(d, string, i) { - return parseSpecifier(d, locale_time, string, i); - } +function mapChildren(d) { + return Array.isArray(d) ? d[1] : null; +} - function formatShortWeekday(d) { - return locale_shortWeekdays[d.getDay()]; - } +function copyData(node) { + if (node.data.value !== undefined) node.value = node.data.value; + node.data = node.data.data; +} - function formatWeekday(d) { - return locale_weekdays[d.getDay()]; - } +function computeHeight(node) { + var height = 0; + do node.height = height; + while ((node = node.parent) && (node.height < ++height)); +} - function formatShortMonth(d) { - return locale_shortMonths[d.getMonth()]; - } +function Node(data) { + this.data = data; + this.depth = + this.height = 0; + this.parent = null; +} - function formatMonth(d) { - return locale_months[d.getMonth()]; - } +Node.prototype = hierarchy.prototype = { + constructor: Node, + count: node_count, + each: node_each, + eachAfter: node_eachAfter, + eachBefore: node_eachBefore, + find: node_find, + sum: node_sum, + sort: node_sort, + path: node_path, + ancestors: node_ancestors, + descendants: node_descendants, + leaves: node_leaves, + links: node_links, + copy: node_copy, + [Symbol.iterator]: node_iterator +}; - function formatPeriod(d) { - return locale_periods[+(d.getHours() >= 12)]; - } +function array(x) { + return typeof x === "object" && "length" in x + ? x // Array, TypedArray, NodeList, array-like + : Array.from(x); // Map, Set, iterable, string, or anything else +} - function formatQuarter(d) { - return 1 + ~~(d.getMonth() / 3); - } +function shuffle(array) { + var m = array.length, + t, + i; - function formatUTCShortWeekday(d) { - return locale_shortWeekdays[d.getUTCDay()]; + while (m) { + i = Math.random() * m-- | 0; + t = array[m]; + array[m] = array[i]; + array[i] = t; } - function formatUTCWeekday(d) { - return locale_weekdays[d.getUTCDay()]; - } + return array; +} - function formatUTCShortMonth(d) { - return locale_shortMonths[d.getUTCMonth()]; - } +function enclose(circles) { + var i = 0, n = (circles = shuffle(Array.from(circles))).length, B = [], p, e; - function formatUTCMonth(d) { - return locale_months[d.getUTCMonth()]; + while (i < n) { + p = circles[i]; + if (e && enclosesWeak(e, p)) ++i; + else e = encloseBasis(B = extendBasis(B, p)), i = 0; } - function formatUTCPeriod(d) { - return locale_periods[+(d.getUTCHours() >= 12)]; - } - - function formatUTCQuarter(d) { - return 1 + ~~(d.getUTCMonth() / 3); - } - - return { - format: function(specifier) { - var f = newFormat(specifier += "", formats); - f.toString = function() { return specifier; }; - return f; - }, - parse: function(specifier) { - var p = newParse(specifier += "", false); - p.toString = function() { return specifier; }; - return p; - }, - utcFormat: function(specifier) { - var f = newFormat(specifier += "", utcFormats); - f.toString = function() { return specifier; }; - return f; - }, - utcParse: function(specifier) { - var p = newParse(specifier += "", true); - p.toString = function() { return specifier; }; - return p; - } - }; + return e; } -var pads = {"-": "", "_": " ", "0": "0"}, - numberRe = /^\s*\d+/, // note: ignores next directive - percentRe = /^%/, - requoteRe = /[\\^$*+?|[\]().{}]/g; - -function pad(value, fill, width) { - var sign = value < 0 ? "-" : "", - string = (sign ? -value : value) + "", - length = string.length; - return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); -} +function extendBasis(B, p) { + var i, j; -function requote(s) { - return s.replace(requoteRe, "\\$&"); -} + if (enclosesWeakAll(p, B)) return [p]; -function formatRe(names) { - return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); -} + // If we get here then B must have at least one element. + for (i = 0; i < B.length; ++i) { + if (enclosesNot(p, B[i]) + && enclosesWeakAll(encloseBasis2(B[i], p), B)) { + return [B[i], p]; + } + } -function formatLookup(names) { - return new Map(names.map((name, i) => [name.toLowerCase(), i])); -} + // If we get here then B must have at least two elements. + for (i = 0; i < B.length - 1; ++i) { + for (j = i + 1; j < B.length; ++j) { + if (enclosesNot(encloseBasis2(B[i], B[j]), p) + && enclosesNot(encloseBasis2(B[i], p), B[j]) + && enclosesNot(encloseBasis2(B[j], p), B[i]) + && enclosesWeakAll(encloseBasis3(B[i], B[j], p), B)) { + return [B[i], B[j], p]; + } + } + } -function parseWeekdayNumberSunday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 1)); - return n ? (d.w = +n[0], i + n[0].length) : -1; + // If we get here then something is very wrong. + throw new Error; } -function parseWeekdayNumberMonday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 1)); - return n ? (d.u = +n[0], i + n[0].length) : -1; +function enclosesNot(a, b) { + var dr = a.r - b.r, dx = b.x - a.x, dy = b.y - a.y; + return dr < 0 || dr * dr < dx * dx + dy * dy; } -function parseWeekNumberSunday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.U = +n[0], i + n[0].length) : -1; +function enclosesWeak(a, b) { + var dr = a.r - b.r + Math.max(a.r, b.r, 1) * 1e-9, dx = b.x - a.x, dy = b.y - a.y; + return dr > 0 && dr * dr > dx * dx + dy * dy; } -function parseWeekNumberISO(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.V = +n[0], i + n[0].length) : -1; +function enclosesWeakAll(a, B) { + for (var i = 0; i < B.length; ++i) { + if (!enclosesWeak(a, B[i])) { + return false; + } + } + return true; } -function parseWeekNumberMonday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.W = +n[0], i + n[0].length) : -1; +function encloseBasis(B) { + switch (B.length) { + case 1: return encloseBasis1(B[0]); + case 2: return encloseBasis2(B[0], B[1]); + case 3: return encloseBasis3(B[0], B[1], B[2]); + } } -function parseFullYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 4)); - return n ? (d.y = +n[0], i + n[0].length) : -1; +function encloseBasis1(a) { + return { + x: a.x, + y: a.y, + r: a.r + }; } -function parseYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; +function encloseBasis2(a, b) { + var x1 = a.x, y1 = a.y, r1 = a.r, + x2 = b.x, y2 = b.y, r2 = b.r, + x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1, + l = Math.sqrt(x21 * x21 + y21 * y21); + return { + x: (x1 + x2 + x21 / l * r21) / 2, + y: (y1 + y2 + y21 / l * r21) / 2, + r: (l + r1 + r2) / 2 + }; } -function parseZone(d, string, i) { - var n = /^(Z)|([+-]\d\d)(?::?(\d\d))?/.exec(string.slice(i, i + 6)); - return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; +function encloseBasis3(a, b, c) { + var x1 = a.x, y1 = a.y, r1 = a.r, + x2 = b.x, y2 = b.y, r2 = b.r, + x3 = c.x, y3 = c.y, r3 = c.r, + a2 = x1 - x2, + a3 = x1 - x3, + b2 = y1 - y2, + b3 = y1 - y3, + c2 = r2 - r1, + c3 = r3 - r1, + d1 = x1 * x1 + y1 * y1 - r1 * r1, + d2 = d1 - x2 * x2 - y2 * y2 + r2 * r2, + d3 = d1 - x3 * x3 - y3 * y3 + r3 * r3, + ab = a3 * b2 - a2 * b3, + xa = (b2 * d3 - b3 * d2) / (ab * 2) - x1, + xb = (b3 * c2 - b2 * c3) / ab, + ya = (a3 * d2 - a2 * d3) / (ab * 2) - y1, + yb = (a2 * c3 - a3 * c2) / ab, + A = xb * xb + yb * yb - 1, + B = 2 * (r1 + xa * xb + ya * yb), + C = xa * xa + ya * ya - r1 * r1, + r = -(A ? (B + Math.sqrt(B * B - 4 * A * C)) / (2 * A) : C / B); + return { + x: x1 + xa + xb * r, + y: y1 + ya + yb * r, + r: r + }; } -function parseQuarter(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 1)); - return n ? (d.q = n[0] * 3 - 3, i + n[0].length) : -1; +function place(b, a, c) { + var dx = b.x - a.x, x, a2, + dy = b.y - a.y, y, b2, + d2 = dx * dx + dy * dy; + if (d2) { + a2 = a.r + c.r, a2 *= a2; + b2 = b.r + c.r, b2 *= b2; + if (a2 > b2) { + x = (d2 + b2 - a2) / (2 * d2); + y = Math.sqrt(Math.max(0, b2 / d2 - x * x)); + c.x = b.x - x * dx - y * dy; + c.y = b.y - x * dy + y * dx; + } else { + x = (d2 + a2 - b2) / (2 * d2); + y = Math.sqrt(Math.max(0, a2 / d2 - x * x)); + c.x = a.x + x * dx - y * dy; + c.y = a.y + x * dy + y * dx; + } + } else { + c.x = a.x + c.r; + c.y = a.y; + } } -function parseMonthNumber(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.m = n[0] - 1, i + n[0].length) : -1; +function intersects(a, b) { + var dr = a.r + b.r - 1e-6, dx = b.x - a.x, dy = b.y - a.y; + return dr > 0 && dr * dr > dx * dx + dy * dy; } -function parseDayOfMonth(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.d = +n[0], i + n[0].length) : -1; +function score(node) { + var a = node._, + b = node.next._, + ab = a.r + b.r, + dx = (a.x * b.r + b.x * a.r) / ab, + dy = (a.y * b.r + b.y * a.r) / ab; + return dx * dx + dy * dy; } -function parseDayOfYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 3)); - return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; +function Node$1(circle) { + this._ = circle; + this.next = null; + this.previous = null; } -function parseHour24(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.H = +n[0], i + n[0].length) : -1; -} +function packEnclose(circles) { + if (!(n = (circles = array(circles)).length)) return 0; -function parseMinutes(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.M = +n[0], i + n[0].length) : -1; -} + var a, b, c, n, aa, ca, i, j, k, sj, sk; -function parseSeconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.S = +n[0], i + n[0].length) : -1; -} + // Place the first circle. + a = circles[0], a.x = 0, a.y = 0; + if (!(n > 1)) return a.r; -function parseMilliseconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 3)); - return n ? (d.L = +n[0], i + n[0].length) : -1; -} + // Place the second circle. + b = circles[1], a.x = -b.r, b.x = a.r, b.y = 0; + if (!(n > 2)) return a.r + b.r; -function parseMicroseconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 6)); - return n ? (d.L = Math.floor(n[0] / 1000), i + n[0].length) : -1; -} + // Place the third circle. + place(b, a, c = circles[2]); -function parseLiteralPercent(d, string, i) { - var n = percentRe.exec(string.slice(i, i + 1)); - return n ? i + n[0].length : -1; -} + // Initialize the front-chain using the first three circles a, b and c. + a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); + a.next = c.previous = b; + b.next = a.previous = c; + c.next = b.previous = a; -function parseUnixTimestamp(d, string, i) { - var n = numberRe.exec(string.slice(i)); - return n ? (d.Q = +n[0], i + n[0].length) : -1; -} + // Attempt to place each remaining circle… + pack: for (i = 3; i < n; ++i) { + place(a._, b._, c = circles[i]), c = new Node$1(c); -function parseUnixTimestampSeconds(d, string, i) { - var n = numberRe.exec(string.slice(i)); - return n ? (d.s = +n[0], i + n[0].length) : -1; -} + // Find the closest intersecting circle on the front-chain, if any. + // “Closeness” is determined by linear distance along the front-chain. + // “Ahead” or “behind” is likewise determined by linear distance. + j = b.next, k = a.previous, sj = b._.r, sk = a._.r; + do { + if (sj <= sk) { + if (intersects(j._, c._)) { + b = j, a.next = b, b.previous = a, --i; + continue pack; + } + sj += j._.r, j = j.next; + } else { + if (intersects(k._, c._)) { + a = k, a.next = b, b.previous = a, --i; + continue pack; + } + sk += k._.r, k = k.previous; + } + } while (j !== k.next); -function formatDayOfMonth(d, p) { - return pad(d.getDate(), p, 2); -} + // Success! Insert the new circle c between a and b. + c.previous = a, c.next = b, a.next = b.previous = b = c; -function formatHour24(d, p) { - return pad(d.getHours(), p, 2); -} + // Compute the new closest circle pair to the centroid. + aa = score(a); + while ((c = c.next) !== b) { + if ((ca = score(c)) < aa) { + a = c, aa = ca; + } + } + b = a.next; + } -function formatHour12(d, p) { - return pad(d.getHours() % 12 || 12, p, 2); -} + // Compute the enclosing circle of the front chain. + a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a); -function formatDayOfYear(d, p) { - return pad(1 + d3Time.timeDay.count(d3Time.timeYear(d), d), p, 3); -} + // Translate the circles to put the enclosing circle around the origin. + for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y; -function formatMilliseconds(d, p) { - return pad(d.getMilliseconds(), p, 3); + return c.r; } -function formatMicroseconds(d, p) { - return formatMilliseconds(d, p) + "000"; +function siblings(circles) { + packEnclose(circles); + return circles; } -function formatMonthNumber(d, p) { - return pad(d.getMonth() + 1, p, 2); +function optional(f) { + return f == null ? null : required(f); } -function formatMinutes(d, p) { - return pad(d.getMinutes(), p, 2); +function required(f) { + if (typeof f !== "function") throw new Error; + return f; } -function formatSeconds(d, p) { - return pad(d.getSeconds(), p, 2); +function constantZero() { + return 0; } -function formatWeekdayNumberMonday(d) { - var day = d.getDay(); - return day === 0 ? 7 : day; +function constant(x) { + return function() { + return x; + }; } -function formatWeekNumberSunday(d, p) { - return pad(d3Time.timeSunday.count(d3Time.timeYear(d) - 1, d), p, 2); +function defaultRadius(d) { + return Math.sqrt(d.value); } -function dISO(d) { - var day = d.getDay(); - return (day >= 4 || day === 0) ? d3Time.timeThursday(d) : d3Time.timeThursday.ceil(d); -} +function index() { + var radius = null, + dx = 1, + dy = 1, + padding = constantZero; -function formatWeekNumberISO(d, p) { - d = dISO(d); - return pad(d3Time.timeThursday.count(d3Time.timeYear(d), d) + (d3Time.timeYear(d).getDay() === 4), p, 2); -} + function pack(root) { + root.x = dx / 2, root.y = dy / 2; + if (radius) { + root.eachBefore(radiusLeaf(radius)) + .eachAfter(packChildren(padding, 0.5)) + .eachBefore(translateChild(1)); + } else { + root.eachBefore(radiusLeaf(defaultRadius)) + .eachAfter(packChildren(constantZero, 1)) + .eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) + .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); + } + return root; + } -function formatWeekdayNumberSunday(d) { - return d.getDay(); -} + pack.radius = function(x) { + return arguments.length ? (radius = optional(x), pack) : radius; + }; -function formatWeekNumberMonday(d, p) { - return pad(d3Time.timeMonday.count(d3Time.timeYear(d) - 1, d), p, 2); -} + pack.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], pack) : [dx, dy]; + }; -function formatYear(d, p) { - return pad(d.getFullYear() % 100, p, 2); -} + pack.padding = function(x) { + return arguments.length ? (padding = typeof x === "function" ? x : constant(+x), pack) : padding; + }; -function formatYearISO(d, p) { - d = dISO(d); - return pad(d.getFullYear() % 100, p, 2); + return pack; } -function formatFullYear(d, p) { - return pad(d.getFullYear() % 10000, p, 4); +function radiusLeaf(radius) { + return function(node) { + if (!node.children) { + node.r = Math.max(0, +radius(node) || 0); + } + }; } -function formatFullYearISO(d, p) { - var day = d.getDay(); - d = (day >= 4 || day === 0) ? d3Time.timeThursday(d) : d3Time.timeThursday.ceil(d); - return pad(d.getFullYear() % 10000, p, 4); -} +function packChildren(padding, k) { + return function(node) { + if (children = node.children) { + var children, + i, + n = children.length, + r = padding(node) * k || 0, + e; -function formatZone(d) { - var z = d.getTimezoneOffset(); - return (z > 0 ? "-" : (z *= -1, "+")) - + pad(z / 60 | 0, "0", 2) - + pad(z % 60, "0", 2); + if (r) for (i = 0; i < n; ++i) children[i].r += r; + e = packEnclose(children); + if (r) for (i = 0; i < n; ++i) children[i].r -= r; + node.r = e + r; + } + }; } -function formatUTCDayOfMonth(d, p) { - return pad(d.getUTCDate(), p, 2); +function translateChild(k) { + return function(node) { + var parent = node.parent; + node.r *= k; + if (parent) { + node.x = parent.x + k * node.x; + node.y = parent.y + k * node.y; + } + }; } -function formatUTCHour24(d, p) { - return pad(d.getUTCHours(), p, 2); +function roundNode(node) { + node.x0 = Math.round(node.x0); + node.y0 = Math.round(node.y0); + node.x1 = Math.round(node.x1); + node.y1 = Math.round(node.y1); } -function formatUTCHour12(d, p) { - return pad(d.getUTCHours() % 12 || 12, p, 2); -} +function treemapDice(parent, x0, y0, x1, y1) { + var nodes = parent.children, + node, + i = -1, + n = nodes.length, + k = parent.value && (x1 - x0) / parent.value; -function formatUTCDayOfYear(d, p) { - return pad(1 + d3Time.utcDay.count(d3Time.utcYear(d), d), p, 3); + while (++i < n) { + node = nodes[i], node.y0 = y0, node.y1 = y1; + node.x0 = x0, node.x1 = x0 += node.value * k; + } } -function formatUTCMilliseconds(d, p) { - return pad(d.getUTCMilliseconds(), p, 3); -} +function partition() { + var dx = 1, + dy = 1, + padding = 0, + round = false; -function formatUTCMicroseconds(d, p) { - return formatUTCMilliseconds(d, p) + "000"; -} + function partition(root) { + var n = root.height + 1; + root.x0 = + root.y0 = padding; + root.x1 = dx; + root.y1 = dy / n; + root.eachBefore(positionNode(dy, n)); + if (round) root.eachBefore(roundNode); + return root; + } -function formatUTCMonthNumber(d, p) { - return pad(d.getUTCMonth() + 1, p, 2); -} + function positionNode(dy, n) { + return function(node) { + if (node.children) { + treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n); + } + var x0 = node.x0, + y0 = node.y0, + x1 = node.x1 - padding, + y1 = node.y1 - padding; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + node.x0 = x0; + node.y0 = y0; + node.x1 = x1; + node.y1 = y1; + }; + } -function formatUTCMinutes(d, p) { - return pad(d.getUTCMinutes(), p, 2); -} + partition.round = function(x) { + return arguments.length ? (round = !!x, partition) : round; + }; -function formatUTCSeconds(d, p) { - return pad(d.getUTCSeconds(), p, 2); -} + partition.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy]; + }; -function formatUTCWeekdayNumberMonday(d) { - var dow = d.getUTCDay(); - return dow === 0 ? 7 : dow; + partition.padding = function(x) { + return arguments.length ? (padding = +x, partition) : padding; + }; + + return partition; } -function formatUTCWeekNumberSunday(d, p) { - return pad(d3Time.utcSunday.count(d3Time.utcYear(d) - 1, d), p, 2); -} +var preroot = {depth: -1}, + ambiguous = {}; -function UTCdISO(d) { - var day = d.getUTCDay(); - return (day >= 4 || day === 0) ? d3Time.utcThursday(d) : d3Time.utcThursday.ceil(d); +function defaultId(d) { + return d.id; } -function formatUTCWeekNumberISO(d, p) { - d = UTCdISO(d); - return pad(d3Time.utcThursday.count(d3Time.utcYear(d), d) + (d3Time.utcYear(d).getUTCDay() === 4), p, 2); +function defaultParentId(d) { + return d.parentId; } -function formatUTCWeekdayNumberSunday(d) { - return d.getUTCDay(); -} +function stratify() { + var id = defaultId, + parentId = defaultParentId; -function formatUTCWeekNumberMonday(d, p) { - return pad(d3Time.utcMonday.count(d3Time.utcYear(d) - 1, d), p, 2); -} + function stratify(data) { + var nodes = Array.from(data), + n = nodes.length, + d, + i, + root, + parent, + node, + nodeId, + nodeKey, + nodeByKey = new Map; -function formatUTCYear(d, p) { - return pad(d.getUTCFullYear() % 100, p, 2); -} + for (i = 0; i < n; ++i) { + d = nodes[i], node = nodes[i] = new Node(d); + if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { + nodeKey = node.id = nodeId; + nodeByKey.set(nodeKey, nodeByKey.has(nodeKey) ? ambiguous : node); + } + if ((nodeId = parentId(d, i, data)) != null && (nodeId += "")) { + node.parent = nodeId; + } + } -function formatUTCYearISO(d, p) { - d = UTCdISO(d); - return pad(d.getUTCFullYear() % 100, p, 2); -} + for (i = 0; i < n; ++i) { + node = nodes[i]; + if (nodeId = node.parent) { + parent = nodeByKey.get(nodeId); + if (!parent) throw new Error("missing: " + nodeId); + if (parent === ambiguous) throw new Error("ambiguous: " + nodeId); + if (parent.children) parent.children.push(node); + else parent.children = [node]; + node.parent = parent; + } else { + if (root) throw new Error("multiple roots"); + root = node; + } + } -function formatUTCFullYear(d, p) { - return pad(d.getUTCFullYear() % 10000, p, 4); -} + if (!root) throw new Error("no root"); + root.parent = preroot; + root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight); + root.parent = null; + if (n > 0) throw new Error("cycle"); -function formatUTCFullYearISO(d, p) { - var day = d.getUTCDay(); - d = (day >= 4 || day === 0) ? d3Time.utcThursday(d) : d3Time.utcThursday.ceil(d); - return pad(d.getUTCFullYear() % 10000, p, 4); -} + return root; + } -function formatUTCZone() { - return "+0000"; -} + stratify.id = function(x) { + return arguments.length ? (id = required(x), stratify) : id; + }; -function formatLiteralPercent() { - return "%"; -} + stratify.parentId = function(x) { + return arguments.length ? (parentId = required(x), stratify) : parentId; + }; -function formatUnixTimestamp(d) { - return +d; + return stratify; } -function formatUnixTimestampSeconds(d) { - return Math.floor(+d / 1000); +function defaultSeparation$1(a, b) { + return a.parent === b.parent ? 1 : 2; } -var locale; - -defaultLocale({ - dateTime: "%x, %X", - date: "%-m/%-d/%Y", - time: "%-I:%M:%S %p", - periods: ["AM", "PM"], - days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], - shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], - months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], - shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] -}); +// function radialSeparation(a, b) { +// return (a.parent === b.parent ? 1 : 2) / a.depth; +// } -function defaultLocale(definition) { - locale = formatLocale(definition); - exports.timeFormat = locale.format; - exports.timeParse = locale.parse; - exports.utcFormat = locale.utcFormat; - exports.utcParse = locale.utcParse; - return locale; +// This function is used to traverse the left contour of a subtree (or +// subforest). It returns the successor of v on this contour. This successor is +// either given by the leftmost child of v or by the thread of v. The function +// returns null if and only if v is on the highest level of its subtree. +function nextLeft(v) { + var children = v.children; + return children ? children[0] : v.t; } -var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; - -function formatIsoNative(date) { - return date.toISOString(); +// This function works analogously to nextLeft. +function nextRight(v) { + var children = v.children; + return children ? children[children.length - 1] : v.t; } -var formatIso = Date.prototype.toISOString - ? formatIsoNative - : exports.utcFormat(isoSpecifier); - -function parseIsoNative(string) { - var date = new Date(string); - return isNaN(date) ? null : date; +// Shifts the current subtree rooted at w+. This is done by increasing +// prelim(w+) and mod(w+) by shift. +function moveSubtree(wm, wp, shift) { + var change = shift / (wp.i - wm.i); + wp.c -= change; + wp.s += shift; + wm.c += change; + wp.z += shift; + wp.m += shift; } -var parseIso = +new Date("2000-01-01T00:00:00.000Z") - ? parseIsoNative - : exports.utcParse(isoSpecifier); - -exports.isoFormat = formatIso; -exports.isoParse = parseIso; -exports.timeFormatDefaultLocale = defaultLocale; -exports.timeFormatLocale = formatLocale; - -Object.defineProperty(exports, '__esModule', { value: true }); - -})); -}); - -var d3Scale = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-scale/ v3.3.0 Copyright 2021 Mike Bostock -(function (global, factory) { -factory(exports, d3Array, d3Interpolate, d3Format, d3Time, d3TimeFormat) ; -}(commonjsGlobal, (function (exports, d3Array, d3Interpolate, d3Format, d3Time, d3TimeFormat) { -function initRange(domain, range) { - switch (arguments.length) { - case 0: break; - case 1: this.range(domain); break; - default: this.range(range).domain(domain); break; +// All other shifts, applied to the smaller subtrees between w- and w+, are +// performed by this function. To prepare the shifts, we have to adjust +// change(w+), shift(w+), and change(w-). +function executeShifts(v) { + var shift = 0, + change = 0, + children = v.children, + i = children.length, + w; + while (--i >= 0) { + w = children[i]; + w.z += shift; + w.m += shift; + shift += w.s + (change += w.c); } - return this; } -function initInterpolator(domain, interpolator) { - switch (arguments.length) { - case 0: break; - case 1: { - if (typeof domain === "function") this.interpolator(domain); - else this.range(domain); - break; - } - default: { - this.domain(domain); - if (typeof interpolator === "function") this.interpolator(interpolator); - else this.range(interpolator); - break; - } - } - return this; +// If vi-’s ancestor is a sibling of v, returns vi-’s ancestor. Otherwise, +// returns the specified (default) ancestor. +function nextAncestor(vim, v, ancestor) { + return vim.a.parent === v.parent ? vim.a : ancestor; } -const implicit = Symbol("implicit"); +function TreeNode(node, i) { + this._ = node; + this.parent = null; + this.children = null; + this.A = null; // default ancestor + this.a = this; // ancestor + this.z = 0; // prelim + this.m = 0; // mod + this.c = 0; // change + this.s = 0; // shift + this.t = null; // thread + this.i = i; // number +} -function ordinal() { - var index = new Map(), - domain = [], - range = [], - unknown = implicit; +TreeNode.prototype = Object.create(Node.prototype); - function scale(d) { - var key = d + "", i = index.get(key); - if (!i) { - if (unknown !== implicit) return unknown; - index.set(key, i = domain.push(d)); +function treeRoot(root) { + var tree = new TreeNode(root, 0), + node, + nodes = [tree], + child, + children, + i, + n; + + while (node = nodes.pop()) { + if (children = node._.children) { + node.children = new Array(n = children.length); + for (i = n - 1; i >= 0; --i) { + nodes.push(child = node.children[i] = new TreeNode(children[i], i)); + child.parent = node; + } } - return range[(i - 1) % range.length]; } - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = [], index = new Map(); - for (const value of _) { - const key = value + ""; - if (index.has(key)) continue; - index.set(key, domain.push(value)); - } - return scale; - }; - - scale.range = function(_) { - return arguments.length ? (range = Array.from(_), scale) : range.slice(); - }; - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; + (tree.parent = new TreeNode(null, 0)).children = [tree]; + return tree; +} - scale.copy = function() { - return ordinal(domain, range).unknown(unknown); - }; +// Node-link tree diagram using the Reingold-Tilford "tidy" algorithm +function tree() { + var separation = defaultSeparation$1, + dx = 1, + dy = 1, + nodeSize = null; - initRange.apply(scale, arguments); + function tree(root) { + var t = treeRoot(root); - return scale; -} + // Compute the layout using Buchheim et al.’s algorithm. + t.eachAfter(firstWalk), t.parent.m = -t.z; + t.eachBefore(secondWalk); -function band() { - var scale = ordinal().unknown(undefined), - domain = scale.domain, - ordinalRange = scale.range, - r0 = 0, - r1 = 1, - step, - bandwidth, - round = false, - paddingInner = 0, - paddingOuter = 0, - align = 0.5; + // If a fixed node size is specified, scale x and y. + if (nodeSize) root.eachBefore(sizeNode); - delete scale.unknown; + // If a fixed tree size is specified, scale x and y based on the extent. + // Compute the left-most, right-most, and depth-most nodes for extents. + else { + var left = root, + right = root, + bottom = root; + root.eachBefore(function(node) { + if (node.x < left.x) left = node; + if (node.x > right.x) right = node; + if (node.depth > bottom.depth) bottom = node; + }); + var s = left === right ? 1 : separation(left, right) / 2, + tx = s - left.x, + kx = dx / (right.x + s + tx), + ky = dy / (bottom.depth || 1); + root.eachBefore(function(node) { + node.x = (node.x + tx) * kx; + node.y = node.depth * ky; + }); + } - function rescale() { - var n = domain().length, - reverse = r1 < r0, - start = reverse ? r1 : r0, - stop = reverse ? r0 : r1; - step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); - if (round) step = Math.floor(step); - start += (stop - start - step * (n - paddingInner)) * align; - bandwidth = step * (1 - paddingInner); - if (round) start = Math.round(start), bandwidth = Math.round(bandwidth); - var values = d3Array.range(n).map(function(i) { return start + step * i; }); - return ordinalRange(reverse ? values.reverse() : values); + return root; } - scale.domain = function(_) { - return arguments.length ? (domain(_), rescale()) : domain(); - }; - - scale.range = function(_) { - return arguments.length ? ([r0, r1] = _, r0 = +r0, r1 = +r1, rescale()) : [r0, r1]; - }; - - scale.rangeRound = function(_) { - return [r0, r1] = _, r0 = +r0, r1 = +r1, round = true, rescale(); - }; + // Computes a preliminary x-coordinate for v. Before that, FIRST WALK is + // applied recursively to the children of v, as well as the function + // APPORTION. After spacing out the children by calling EXECUTE SHIFTS, the + // node v is placed to the midpoint of its outermost children. + function firstWalk(v) { + var children = v.children, + siblings = v.parent.children, + w = v.i ? siblings[v.i - 1] : null; + if (children) { + executeShifts(v); + var midpoint = (children[0].z + children[children.length - 1].z) / 2; + if (w) { + v.z = w.z + separation(v._, w._); + v.m = v.z - midpoint; + } else { + v.z = midpoint; + } + } else if (w) { + v.z = w.z + separation(v._, w._); + } + v.parent.A = apportion(v, w, v.parent.A || siblings[0]); + } - scale.bandwidth = function() { - return bandwidth; - }; + // Computes all real x-coordinates by summing up the modifiers recursively. + function secondWalk(v) { + v._.x = v.z + v.parent.m; + v.m += v.parent.m; + } - scale.step = function() { - return step; - }; + // The core of the algorithm. Here, a new subtree is combined with the + // previous subtrees. Threads are used to traverse the inside and outside + // contours of the left and right subtree up to the highest common level. The + // vertices used for the traversals are vi+, vi-, vo-, and vo+, where the + // superscript o means outside and i means inside, the subscript - means left + // subtree and + means right subtree. For summing up the modifiers along the + // contour, we use respective variables si+, si-, so-, and so+. Whenever two + // nodes of the inside contours conflict, we compute the left one of the + // greatest uncommon ancestors using the function ANCESTOR and call MOVE + // SUBTREE to shift the subtree and prepare the shifts of smaller subtrees. + // Finally, we add a new thread (if necessary). + function apportion(v, w, ancestor) { + if (w) { + var vip = v, + vop = v, + vim = w, + vom = vip.parent.children[0], + sip = vip.m, + sop = vop.m, + sim = vim.m, + som = vom.m, + shift; + while (vim = nextRight(vim), vip = nextLeft(vip), vim && vip) { + vom = nextLeft(vom); + vop = nextRight(vop); + vop.a = v; + shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); + if (shift > 0) { + moveSubtree(nextAncestor(vim, v, ancestor), v, shift); + sip += shift; + sop += shift; + } + sim += vim.m; + sip += vip.m; + som += vom.m; + sop += vop.m; + } + if (vim && !nextRight(vop)) { + vop.t = vim; + vop.m += sim - sop; + } + if (vip && !nextLeft(vom)) { + vom.t = vip; + vom.m += sip - som; + ancestor = v; + } + } + return ancestor; + } - scale.round = function(_) { - return arguments.length ? (round = !!_, rescale()) : round; - }; + function sizeNode(node) { + node.x *= dx; + node.y = node.depth * dy; + } - scale.padding = function(_) { - return arguments.length ? (paddingInner = Math.min(1, paddingOuter = +_), rescale()) : paddingInner; + tree.separation = function(x) { + return arguments.length ? (separation = x, tree) : separation; }; - scale.paddingInner = function(_) { - return arguments.length ? (paddingInner = Math.min(1, _), rescale()) : paddingInner; + tree.size = function(x) { + return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], tree) : (nodeSize ? null : [dx, dy]); }; - scale.paddingOuter = function(_) { - return arguments.length ? (paddingOuter = +_, rescale()) : paddingOuter; + tree.nodeSize = function(x) { + return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], tree) : (nodeSize ? [dx, dy] : null); }; - scale.align = function(_) { - return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align; - }; + return tree; +} - scale.copy = function() { - return band(domain(), [r0, r1]) - .round(round) - .paddingInner(paddingInner) - .paddingOuter(paddingOuter) - .align(align); - }; +function treemapSlice(parent, x0, y0, x1, y1) { + var nodes = parent.children, + node, + i = -1, + n = nodes.length, + k = parent.value && (y1 - y0) / parent.value; - return initRange.apply(rescale(), arguments); + while (++i < n) { + node = nodes[i], node.x0 = x0, node.x1 = x1; + node.y0 = y0, node.y1 = y0 += node.value * k; + } } -function pointish(scale) { - var copy = scale.copy; +var phi = (1 + Math.sqrt(5)) / 2; - scale.padding = scale.paddingOuter; - delete scale.paddingInner; - delete scale.paddingOuter; +function squarifyRatio(ratio, parent, x0, y0, x1, y1) { + var rows = [], + nodes = parent.children, + row, + nodeValue, + i0 = 0, + i1 = 0, + n = nodes.length, + dx, dy, + value = parent.value, + sumValue, + minValue, + maxValue, + newRatio, + minRatio, + alpha, + beta; - scale.copy = function() { - return pointish(copy()); - }; + while (i0 < n) { + dx = x1 - x0, dy = y1 - y0; - return scale; -} + // Find the next non-empty node. + do sumValue = nodes[i1++].value; while (!sumValue && i1 < n); + minValue = maxValue = sumValue; + alpha = Math.max(dy / dx, dx / dy) / (value * ratio); + beta = sumValue * sumValue * alpha; + minRatio = Math.max(maxValue / beta, beta / minValue); -function point() { - return pointish(band.apply(null, arguments).paddingInner(1)); -} + // Keep adding nodes while the aspect ratio maintains or improves. + for (; i1 < n; ++i1) { + sumValue += nodeValue = nodes[i1].value; + if (nodeValue < minValue) minValue = nodeValue; + if (nodeValue > maxValue) maxValue = nodeValue; + beta = sumValue * sumValue * alpha; + newRatio = Math.max(maxValue / beta, beta / minValue); + if (newRatio > minRatio) { sumValue -= nodeValue; break; } + minRatio = newRatio; + } -function constants(x) { - return function() { - return x; - }; -} + // Position and record the row orientation. + rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)}); + if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1); + else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1); + value -= sumValue, i0 = i1; + } -function number$1(x) { - return +x; + return rows; } -var unit = [0, 1]; - -function identity$1(x) { - return x; -} +var squarify = (function custom(ratio) { -function normalize(a, b) { - return (b -= (a = +a)) - ? function(x) { return (x - a) / b; } - : constants(isNaN(b) ? NaN : 0.5); -} + function squarify(parent, x0, y0, x1, y1) { + squarifyRatio(ratio, parent, x0, y0, x1, y1); + } -function clamper(a, b) { - var t; - if (a > b) t = a, a = b, b = t; - return function(x) { return Math.max(a, Math.min(b, x)); }; -} + squarify.ratio = function(x) { + return custom((x = +x) > 1 ? x : 1); + }; -// normalize(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. -// interpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding range value x in [a,b]. -function bimap(domain, range, interpolate) { - var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; - if (d1 < d0) d0 = normalize(d1, d0), r0 = interpolate(r1, r0); - else d0 = normalize(d0, d1), r0 = interpolate(r0, r1); - return function(x) { return r0(d0(x)); }; -} + return squarify; +})(phi); -function polymap(domain, range, interpolate) { - var j = Math.min(domain.length, range.length) - 1, - d = new Array(j), - r = new Array(j), - i = -1; +function index$1() { + var tile = squarify, + round = false, + dx = 1, + dy = 1, + paddingStack = [0], + paddingInner = constantZero, + paddingTop = constantZero, + paddingRight = constantZero, + paddingBottom = constantZero, + paddingLeft = constantZero; - // Reverse descending domains. - if (domain[j] < domain[0]) { - domain = domain.slice().reverse(); - range = range.slice().reverse(); + function treemap(root) { + root.x0 = + root.y0 = 0; + root.x1 = dx; + root.y1 = dy; + root.eachBefore(positionNode); + paddingStack = [0]; + if (round) root.eachBefore(roundNode); + return root; } - while (++i < j) { - d[i] = normalize(domain[i], domain[i + 1]); - r[i] = interpolate(range[i], range[i + 1]); + function positionNode(node) { + var p = paddingStack[node.depth], + x0 = node.x0 + p, + y0 = node.y0 + p, + x1 = node.x1 - p, + y1 = node.y1 - p; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + node.x0 = x0; + node.y0 = y0; + node.x1 = x1; + node.y1 = y1; + if (node.children) { + p = paddingStack[node.depth + 1] = paddingInner(node) / 2; + x0 += paddingLeft(node) - p; + y0 += paddingTop(node) - p; + x1 -= paddingRight(node) - p; + y1 -= paddingBottom(node) - p; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + tile(node, x0, y0, x1, y1); + } } - return function(x) { - var i = d3Array.bisect(domain, x, 1, j) - 1; - return r[i](d[i](x)); + treemap.round = function(x) { + return arguments.length ? (round = !!x, treemap) : round; }; -} - -function copy$1(source, target) { - return target - .domain(source.domain()) - .range(source.range()) - .interpolate(source.interpolate()) - .clamp(source.clamp()) - .unknown(source.unknown()); -} - -function transformer$2() { - var domain = unit, - range = unit, - interpolate = d3Interpolate.interpolate, - transform, - untransform, - unknown, - clamp = identity$1, - piecewise, - output, - input; - - function rescale() { - var n = Math.min(domain.length, range.length); - if (clamp !== identity$1) clamp = clamper(domain[0], domain[n - 1]); - piecewise = n > 2 ? polymap : bimap; - output = input = null; - return scale; - } - function scale(x) { - return x == null || isNaN(x = +x) ? unknown : (output || (output = piecewise(domain.map(transform), range, interpolate)))(transform(clamp(x))); - } + treemap.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], treemap) : [dx, dy]; + }; - scale.invert = function(y) { - return clamp(untransform((input || (input = piecewise(range, domain.map(transform), d3Interpolate.interpolateNumber)))(y))); + treemap.tile = function(x) { + return arguments.length ? (tile = required(x), treemap) : tile; }; - scale.domain = function(_) { - return arguments.length ? (domain = Array.from(_, number$1), rescale()) : domain.slice(); + treemap.padding = function(x) { + return arguments.length ? treemap.paddingInner(x).paddingOuter(x) : treemap.paddingInner(); }; - scale.range = function(_) { - return arguments.length ? (range = Array.from(_), rescale()) : range.slice(); + treemap.paddingInner = function(x) { + return arguments.length ? (paddingInner = typeof x === "function" ? x : constant(+x), treemap) : paddingInner; }; - scale.rangeRound = function(_) { - return range = Array.from(_), interpolate = d3Interpolate.interpolateRound, rescale(); + treemap.paddingOuter = function(x) { + return arguments.length ? treemap.paddingTop(x).paddingRight(x).paddingBottom(x).paddingLeft(x) : treemap.paddingTop(); }; - scale.clamp = function(_) { - return arguments.length ? (clamp = _ ? true : identity$1, rescale()) : clamp !== identity$1; + treemap.paddingTop = function(x) { + return arguments.length ? (paddingTop = typeof x === "function" ? x : constant(+x), treemap) : paddingTop; }; - scale.interpolate = function(_) { - return arguments.length ? (interpolate = _, rescale()) : interpolate; + treemap.paddingRight = function(x) { + return arguments.length ? (paddingRight = typeof x === "function" ? x : constant(+x), treemap) : paddingRight; }; - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; + treemap.paddingBottom = function(x) { + return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant(+x), treemap) : paddingBottom; }; - return function(t, u) { - transform = t, untransform = u; - return rescale(); + treemap.paddingLeft = function(x) { + return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant(+x), treemap) : paddingLeft; }; -} -function continuous() { - return transformer$2()(identity$1, identity$1); + return treemap; } -function tickFormat(start, stop, count, specifier) { - var step = d3Array.tickStep(start, stop, count), - precision; - specifier = d3Format.formatSpecifier(specifier == null ? ",f" : specifier); - switch (specifier.type) { - case "s": { - var value = Math.max(Math.abs(start), Math.abs(stop)); - if (specifier.precision == null && !isNaN(precision = d3Format.precisionPrefix(step, value))) specifier.precision = precision; - return d3Format.formatPrefix(specifier, value); - } - case "": - case "e": - case "g": - case "p": - case "r": { - if (specifier.precision == null && !isNaN(precision = d3Format.precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e"); - break; - } - case "f": - case "%": { - if (specifier.precision == null && !isNaN(precision = d3Format.precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2; - break; - } +function binary(parent, x0, y0, x1, y1) { + var nodes = parent.children, + i, n = nodes.length, + sum, sums = new Array(n + 1); + + for (sums[0] = sum = i = 0; i < n; ++i) { + sums[i + 1] = sum += nodes[i].value; } - return d3Format.format(specifier); -} -function linearish(scale) { - var domain = scale.domain; + partition(0, n, parent.value, x0, y0, x1, y1); - scale.ticks = function(count) { - var d = domain(); - return d3Array.ticks(d[0], d[d.length - 1], count == null ? 10 : count); - }; + function partition(i, j, value, x0, y0, x1, y1) { + if (i >= j - 1) { + var node = nodes[i]; + node.x0 = x0, node.y0 = y0; + node.x1 = x1, node.y1 = y1; + return; + } - scale.tickFormat = function(count, specifier) { - var d = domain(); - return tickFormat(d[0], d[d.length - 1], count == null ? 10 : count, specifier); - }; + var valueOffset = sums[i], + valueTarget = (value / 2) + valueOffset, + k = i + 1, + hi = j - 1; - scale.nice = function(count) { - if (count == null) count = 10; + while (k < hi) { + var mid = k + hi >>> 1; + if (sums[mid] < valueTarget) k = mid + 1; + else hi = mid; + } - var d = domain(); - var i0 = 0; - var i1 = d.length - 1; - var start = d[i0]; - var stop = d[i1]; - var prestep; - var step; - var maxIter = 10; - - if (stop < start) { - step = start, start = stop, stop = step; - step = i0, i0 = i1, i1 = step; - } - - while (maxIter-- > 0) { - step = d3Array.tickIncrement(start, stop, count); - if (step === prestep) { - d[i0] = start; - d[i1] = stop; - return domain(d); - } else if (step > 0) { - start = Math.floor(start / step) * step; - stop = Math.ceil(stop / step) * step; - } else if (step < 0) { - start = Math.ceil(start * step) / step; - stop = Math.floor(stop * step) / step; - } else { - break; - } - prestep = step; - } + if ((valueTarget - sums[k - 1]) < (sums[k] - valueTarget) && i + 1 < k) --k; - return scale; - }; + var valueLeft = sums[k] - valueOffset, + valueRight = value - valueLeft; - return scale; + if ((x1 - x0) > (y1 - y0)) { + var xk = value ? (x0 * valueRight + x1 * valueLeft) / value : x1; + partition(i, k, valueLeft, x0, y0, xk, y1); + partition(k, j, valueRight, xk, y0, x1, y1); + } else { + var yk = value ? (y0 * valueRight + y1 * valueLeft) / value : y1; + partition(i, k, valueLeft, x0, y0, x1, yk); + partition(k, j, valueRight, x0, yk, x1, y1); + } + } } -function linear() { - var scale = continuous(); - - scale.copy = function() { - return copy$1(scale, linear()); - }; - - initRange.apply(scale, arguments); - - return linearish(scale); +function sliceDice(parent, x0, y0, x1, y1) { + (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); } -function identity(domain) { - var unknown; - - function scale(x) { - return x == null || isNaN(x = +x) ? unknown : x; - } +var resquarify = (function custom(ratio) { - scale.invert = scale; + function resquarify(parent, x0, y0, x1, y1) { + if ((rows = parent._squarify) && (rows.ratio === ratio)) { + var rows, + row, + nodes, + i, + j = -1, + n, + m = rows.length, + value = parent.value; - scale.domain = scale.range = function(_) { - return arguments.length ? (domain = Array.from(_, number$1), scale) : domain.slice(); - }; + while (++j < m) { + row = rows[j], nodes = row.children; + for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value; + if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += (y1 - y0) * row.value / value : y1); + else treemapSlice(row, x0, y0, value ? x0 += (x1 - x0) * row.value / value : x1, y1); + value -= row.value; + } + } else { + parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1); + rows.ratio = ratio; + } + } - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; + resquarify.ratio = function(x) { + return custom((x = +x) > 1 ? x : 1); }; - scale.copy = function() { - return identity(domain).unknown(unknown); - }; + return resquarify; +})(phi); - domain = arguments.length ? Array.from(domain, number$1) : [0, 1]; +exports.cluster = cluster; +exports.hierarchy = hierarchy; +exports.pack = index; +exports.packEnclose = enclose; +exports.packSiblings = siblings; +exports.partition = partition; +exports.stratify = stratify; +exports.tree = tree; +exports.treemap = index$1; +exports.treemapBinary = binary; +exports.treemapDice = treemapDice; +exports.treemapResquarify = resquarify; +exports.treemapSlice = treemapSlice; +exports.treemapSliceDice = sliceDice; +exports.treemapSquarify = squarify; - return linearish(scale); -} +Object.defineProperty(exports, '__esModule', { value: true }); -function nice(domain, interval) { - domain = domain.slice(); +})); +}); - var i0 = 0, - i1 = domain.length - 1, - x0 = domain[i0], - x1 = domain[i1], - t; +var d3Polygon = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-polygon/ v2.0.0 Copyright 2020 Mike Bostock +(function (global, factory) { +factory(exports) ; +}(commonjsGlobal, function (exports) { +function area(polygon) { + var i = -1, + n = polygon.length, + a, + b = polygon[n - 1], + area = 0; - if (x1 < x0) { - t = i0, i0 = i1, i1 = t; - t = x0, x0 = x1, x1 = t; + while (++i < n) { + a = b; + b = polygon[i]; + area += a[1] * b[0] - a[0] * b[1]; } - domain[i0] = interval.floor(x0); - domain[i1] = interval.ceil(x1); - return domain; + return area / 2; } -function transformLog(x) { - return Math.log(x); -} +function centroid(polygon) { + var i = -1, + n = polygon.length, + x = 0, + y = 0, + a, + b = polygon[n - 1], + c, + k = 0; -function transformExp(x) { - return Math.exp(x); -} + while (++i < n) { + a = b; + b = polygon[i]; + k += c = a[0] * b[1] - b[0] * a[1]; + x += (a[0] + b[0]) * c; + y += (a[1] + b[1]) * c; + } -function transformLogn(x) { - return -Math.log(-x); + return k *= 3, [x / k, y / k]; } -function transformExpn(x) { - return -Math.exp(-x); +// Returns the 2D cross product of AB and AC vectors, i.e., the z-component of +// the 3D cross product in a quadrant I Cartesian coordinate system (+x is +// right, +y is up). Returns a positive value if ABC is counter-clockwise, +// negative if clockwise, and zero if the points are collinear. +function cross(a, b, c) { + return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); } -function pow10(x) { - return isFinite(x) ? +("1e" + x) : x < 0 ? 0 : x; +function lexicographicOrder(a, b) { + return a[0] - b[0] || a[1] - b[1]; } -function powp(base) { - return base === 10 ? pow10 - : base === Math.E ? Math.exp - : function(x) { return Math.pow(base, x); }; -} +// Computes the upper convex hull per the monotone chain algorithm. +// Assumes points.length >= 3, is sorted by x, unique in y. +// Returns an array of indices into points in left-to-right order. +function computeUpperHullIndexes(points) { + const n = points.length, + indexes = [0, 1]; + let size = 2, i; -function logp(base) { - return base === Math.E ? Math.log - : base === 10 && Math.log10 - || base === 2 && Math.log2 - || (base = Math.log(base), function(x) { return Math.log(x) / base; }); -} + for (i = 2; i < n; ++i) { + while (size > 1 && cross(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size; + indexes[size++] = i; + } -function reflect(f) { - return function(x) { - return -f(-x); - }; + return indexes.slice(0, size); // remove popped points } -function loggish(transform) { - var scale = transform(transformLog, transformExp), - domain = scale.domain, - base = 10, - logs, - pows; - - function rescale() { - logs = logp(base), pows = powp(base); - if (domain()[0] < 0) { - logs = reflect(logs), pows = reflect(pows); - transform(transformLogn, transformExpn); - } else { - transform(transformLog, transformExp); - } - return scale; - } +function hull(points) { + if ((n = points.length) < 3) return null; - scale.base = function(_) { - return arguments.length ? (base = +_, rescale()) : base; - }; + var i, + n, + sortedPoints = new Array(n), + flippedPoints = new Array(n); - scale.domain = function(_) { - return arguments.length ? (domain(_), rescale()) : domain(); - }; + for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i]; + sortedPoints.sort(lexicographicOrder); + for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]]; - scale.ticks = function(count) { - var d = domain(), - u = d[0], - v = d[d.length - 1], - r; + var upperIndexes = computeUpperHullIndexes(sortedPoints), + lowerIndexes = computeUpperHullIndexes(flippedPoints); - if (r = v < u) i = u, u = v, v = i; + // Construct the hull polygon, removing possible duplicate endpoints. + var skipLeft = lowerIndexes[0] === upperIndexes[0], + skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1], + hull = []; - var i = logs(u), - j = logs(v), - p, - k, - t, - n = count == null ? 10 : +count, - z = []; - - if (!(base % 1) && j - i < n) { - i = Math.floor(i), j = Math.ceil(j); - if (u > 0) for (; i <= j; ++i) { - for (k = 1, p = pows(i); k < base; ++k) { - t = p * k; - if (t < u) continue; - if (t > v) break; - z.push(t); - } - } else for (; i <= j; ++i) { - for (k = base - 1, p = pows(i); k >= 1; --k) { - t = p * k; - if (t < u) continue; - if (t > v) break; - z.push(t); - } - } - if (z.length * 2 < n) z = d3Array.ticks(u, v, n); - } else { - z = d3Array.ticks(i, j, Math.min(j - i, n)).map(pows); - } + // Add upper hull in right-to-l order. + // Then add lower hull in left-to-right order. + for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]); + for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); - return r ? z.reverse() : z; - }; + return hull; +} - scale.tickFormat = function(count, specifier) { - if (specifier == null) specifier = base === 10 ? ".0e" : ","; - if (typeof specifier !== "function") specifier = d3Format.format(specifier); - if (count === Infinity) return specifier; - if (count == null) count = 10; - var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? - return function(d) { - var i = d / pows(Math.round(logs(d))); - if (i * base < base - 0.5) i *= base; - return i <= k ? specifier(d) : ""; - }; - }; +function contains(polygon, point) { + var n = polygon.length, + p = polygon[n - 1], + x = point[0], y = point[1], + x0 = p[0], y0 = p[1], + x1, y1, + inside = false; - scale.nice = function() { - return domain(nice(domain(), { - floor: function(x) { return pows(Math.floor(logs(x))); }, - ceil: function(x) { return pows(Math.ceil(logs(x))); } - })); - }; + for (var i = 0; i < n; ++i) { + p = polygon[i], x1 = p[0], y1 = p[1]; + if (((y1 > y) !== (y0 > y)) && (x < (x0 - x1) * (y - y1) / (y0 - y1) + x1)) inside = !inside; + x0 = x1, y0 = y1; + } - return scale; + return inside; } -function log() { - var scale = loggish(transformer$2()).domain([1, 10]); - - scale.copy = function() { - return copy$1(scale, log()).base(scale.base()); - }; +function length(polygon) { + var i = -1, + n = polygon.length, + b = polygon[n - 1], + xa, + ya, + xb = b[0], + yb = b[1], + perimeter = 0; - initRange.apply(scale, arguments); + while (++i < n) { + xa = xb; + ya = yb; + b = polygon[i]; + xb = b[0]; + yb = b[1]; + xa -= xb; + ya -= yb; + perimeter += Math.hypot(xa, ya); + } - return scale; + return perimeter; } -function transformSymlog(c) { - return function(x) { - return Math.sign(x) * Math.log1p(Math.abs(x / c)); - }; -} +exports.polygonArea = area; +exports.polygonCentroid = centroid; +exports.polygonContains = contains; +exports.polygonHull = hull; +exports.polygonLength = length; -function transformSymexp(c) { - return function(x) { - return Math.sign(x) * Math.expm1(Math.abs(x)) * c; - }; -} +Object.defineProperty(exports, '__esModule', { value: true }); -function symlogish(transform) { - var c = 1, scale = transform(transformSymlog(c), transformSymexp(c)); +})); +}); - scale.constant = function(_) { - return arguments.length ? transform(transformSymlog(c = +_), transformSymexp(c)) : c; - }; +var d3Random = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-random/ v2.2.2 Copyright 2020 Mike Bostock +(function (global, factory) { +factory(exports) ; +}(commonjsGlobal, (function (exports) { +var defaultSource = Math.random; - return linearish(scale); -} +var uniform = (function sourceRandomUniform(source) { + function randomUniform(min, max) { + min = min == null ? 0 : +min; + max = max == null ? 1 : +max; + if (arguments.length === 1) max = min, min = 0; + else max -= min; + return function() { + return source() * max + min; + }; + } -function symlog() { - var scale = symlogish(transformer$2()); + randomUniform.source = sourceRandomUniform; - scale.copy = function() { - return copy$1(scale, symlog()).constant(scale.constant()); - }; + return randomUniform; +})(defaultSource); - return initRange.apply(scale, arguments); -} +var int = (function sourceRandomInt(source) { + function randomInt(min, max) { + if (arguments.length < 2) max = min, min = 0; + min = Math.floor(min); + max = Math.floor(max) - min; + return function() { + return Math.floor(source() * max + min); + }; + } -function transformPow(exponent) { - return function(x) { - return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); - }; -} + randomInt.source = sourceRandomInt; -function transformSqrt(x) { - return x < 0 ? -Math.sqrt(-x) : Math.sqrt(x); -} + return randomInt; +})(defaultSource); -function transformSquare(x) { - return x < 0 ? -x * x : x * x; -} +var normal = (function sourceRandomNormal(source) { + function randomNormal(mu, sigma) { + var x, r; + mu = mu == null ? 0 : +mu; + sigma = sigma == null ? 1 : +sigma; + return function() { + var y; -function powish(transform) { - var scale = transform(identity$1, identity$1), - exponent = 1; + // If available, use the second previously-generated uniform random. + if (x != null) y = x, x = null; - function rescale() { - return exponent === 1 ? transform(identity$1, identity$1) - : exponent === 0.5 ? transform(transformSqrt, transformSquare) - : transform(transformPow(exponent), transformPow(1 / exponent)); - } + // Otherwise, generate a new x and y. + else do { + x = source() * 2 - 1; + y = source() * 2 - 1; + r = x * x + y * y; + } while (!r || r > 1); - scale.exponent = function(_) { - return arguments.length ? (exponent = +_, rescale()) : exponent; - }; + return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); + }; + } - return linearish(scale); -} + randomNormal.source = sourceRandomNormal; -function pow() { - var scale = powish(transformer$2()); + return randomNormal; +})(defaultSource); - scale.copy = function() { - return copy$1(scale, pow()).exponent(scale.exponent()); - }; +var logNormal = (function sourceRandomLogNormal(source) { + var N = normal.source(source); - initRange.apply(scale, arguments); + function randomLogNormal() { + var randomNormal = N.apply(this, arguments); + return function() { + return Math.exp(randomNormal()); + }; + } - return scale; -} + randomLogNormal.source = sourceRandomLogNormal; -function sqrt() { - return pow.apply(null, arguments).exponent(0.5); -} + return randomLogNormal; +})(defaultSource); -function square(x) { - return Math.sign(x) * x * x; -} +var irwinHall = (function sourceRandomIrwinHall(source) { + function randomIrwinHall(n) { + if ((n = +n) <= 0) return () => 0; + return function() { + for (var sum = 0, i = n; i > 1; --i) sum += source(); + return sum + i * source(); + }; + } -function unsquare(x) { - return Math.sign(x) * Math.sqrt(Math.abs(x)); -} + randomIrwinHall.source = sourceRandomIrwinHall; -function radial() { - var squared = continuous(), - range = [0, 1], - round = false, - unknown; + return randomIrwinHall; +})(defaultSource); - function scale(x) { - var y = unsquare(squared(x)); - return isNaN(y) ? unknown : round ? Math.round(y) : y; - } +var bates = (function sourceRandomBates(source) { + var I = irwinHall.source(source); - scale.invert = function(y) { - return squared.invert(square(y)); - }; + function randomBates(n) { + // use limiting distribution at n === 0 + if ((n = +n) === 0) return source; + var randomIrwinHall = I(n); + return function() { + return randomIrwinHall() / n; + }; + } - scale.domain = function(_) { - return arguments.length ? (squared.domain(_), scale) : squared.domain(); - }; + randomBates.source = sourceRandomBates; - scale.range = function(_) { - return arguments.length ? (squared.range((range = Array.from(_, number$1)).map(square)), scale) : range.slice(); - }; + return randomBates; +})(defaultSource); - scale.rangeRound = function(_) { - return scale.range(_).round(true); - }; +var exponential = (function sourceRandomExponential(source) { + function randomExponential(lambda) { + return function() { + return -Math.log1p(-source()) / lambda; + }; + } - scale.round = function(_) { - return arguments.length ? (round = !!_, scale) : round; - }; + randomExponential.source = sourceRandomExponential; - scale.clamp = function(_) { - return arguments.length ? (squared.clamp(_), scale) : squared.clamp(); - }; + return randomExponential; +})(defaultSource); - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; +var pareto = (function sourceRandomPareto(source) { + function randomPareto(alpha) { + if ((alpha = +alpha) < 0) throw new RangeError("invalid alpha"); + alpha = 1 / -alpha; + return function() { + return Math.pow(1 - source(), alpha); + }; + } - scale.copy = function() { - return radial(squared.domain(), range) - .round(round) - .clamp(squared.clamp()) - .unknown(unknown); - }; + randomPareto.source = sourceRandomPareto; - initRange.apply(scale, arguments); + return randomPareto; +})(defaultSource); - return linearish(scale); -} +var bernoulli = (function sourceRandomBernoulli(source) { + function randomBernoulli(p) { + if ((p = +p) < 0 || p > 1) throw new RangeError("invalid p"); + return function() { + return Math.floor(source() + p); + }; + } -function quantile() { - var domain = [], - range = [], - thresholds = [], - unknown; + randomBernoulli.source = sourceRandomBernoulli; - function rescale() { - var i = 0, n = Math.max(1, range.length); - thresholds = new Array(n - 1); - while (++i < n) thresholds[i - 1] = d3Array.quantileSorted(domain, i / n); - return scale; - } + return randomBernoulli; +})(defaultSource); - function scale(x) { - return x == null || isNaN(x = +x) ? unknown : range[d3Array.bisect(thresholds, x)]; +var geometric = (function sourceRandomGeometric(source) { + function randomGeometric(p) { + if ((p = +p) < 0 || p > 1) throw new RangeError("invalid p"); + if (p === 0) return () => Infinity; + if (p === 1) return () => 1; + p = Math.log1p(-p); + return function() { + return 1 + Math.floor(Math.log1p(-source()) / p); + }; } - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return i < 0 ? [NaN, NaN] : [ - i > 0 ? thresholds[i - 1] : domain[0], - i < thresholds.length ? thresholds[i] : domain[domain.length - 1] - ]; - }; + randomGeometric.source = sourceRandomGeometric; - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = []; - for (let d of _) if (d != null && !isNaN(d = +d)) domain.push(d); - domain.sort(d3Array.ascending); - return rescale(); - }; + return randomGeometric; +})(defaultSource); - scale.range = function(_) { - return arguments.length ? (range = Array.from(_), rescale()) : range.slice(); - }; +var gamma = (function sourceRandomGamma(source) { + var randomNormal = normal.source(source)(); - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; + function randomGamma(k, theta) { + if ((k = +k) < 0) throw new RangeError("invalid k"); + // degenerate distribution if k === 0 + if (k === 0) return () => 0; + theta = theta == null ? 1 : +theta; + // exponential distribution if k === 1 + if (k === 1) return () => -Math.log1p(-source()) * theta; - scale.quantiles = function() { - return thresholds.slice(); - }; + var d = (k < 1 ? k + 1 : k) - 1 / 3, + c = 1 / (3 * Math.sqrt(d)), + multiplier = k < 1 ? () => Math.pow(source(), 1 / k) : () => 1; + return function() { + do { + do { + var x = randomNormal(), + v = 1 + c * x; + } while (v <= 0); + v *= v * v; + var u = 1 - source(); + } while (u >= 1 - 0.0331 * x * x * x * x && Math.log(u) >= 0.5 * x * x + d * (1 - v + Math.log(v))); + return d * v * multiplier() * theta; + }; + } - scale.copy = function() { - return quantile() - .domain(domain) - .range(range) - .unknown(unknown); - }; + randomGamma.source = sourceRandomGamma; - return initRange.apply(scale, arguments); -} + return randomGamma; +})(defaultSource); -function quantize() { - var x0 = 0, - x1 = 1, - n = 1, - domain = [0.5], - range = [0, 1], - unknown; +var beta = (function sourceRandomBeta(source) { + var G = gamma.source(source); - function scale(x) { - return x != null && x <= x ? range[d3Array.bisect(domain, x, 0, n)] : unknown; + function randomBeta(alpha, beta) { + var X = G(alpha), + Y = G(beta); + return function() { + var x = X(); + return x === 0 ? 0 : x / (x + Y()); + }; } - function rescale() { - var i = -1; - domain = new Array(n); - while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); - return scale; - } + randomBeta.source = sourceRandomBeta; - scale.domain = function(_) { - return arguments.length ? ([x0, x1] = _, x0 = +x0, x1 = +x1, rescale()) : [x0, x1]; - }; + return randomBeta; +})(defaultSource); - scale.range = function(_) { - return arguments.length ? (n = (range = Array.from(_)).length - 1, rescale()) : range.slice(); - }; +var binomial = (function sourceRandomBinomial(source) { + var G = geometric.source(source), + B = beta.source(source); - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return i < 0 ? [NaN, NaN] - : i < 1 ? [x0, domain[0]] - : i >= n ? [domain[n - 1], x1] - : [domain[i - 1], domain[i]]; - }; + function randomBinomial(n, p) { + n = +n; + if ((p = +p) >= 1) return () => n; + if (p <= 0) return () => 0; + return function() { + var acc = 0, nn = n, pp = p; + while (nn * pp > 16 && nn * (1 - pp) > 16) { + var i = Math.floor((nn + 1) * pp), + y = B(i, nn - i + 1)(); + if (y <= pp) { + acc += i; + nn -= i; + pp = (pp - y) / (1 - y); + } else { + nn = i - 1; + pp /= y; + } + } + var sign = pp < 0.5, + pFinal = sign ? pp : 1 - pp, + g = G(pFinal); + for (var s = g(), k = 0; s <= nn; ++k) s += g(); + return acc + (sign ? k : nn - k); + }; + } - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : scale; - }; + randomBinomial.source = sourceRandomBinomial; - scale.thresholds = function() { - return domain.slice(); - }; + return randomBinomial; +})(defaultSource); - scale.copy = function() { - return quantize() - .domain([x0, x1]) - .range(range) - .unknown(unknown); - }; +var weibull = (function sourceRandomWeibull(source) { + function randomWeibull(k, a, b) { + var outerFunc; + if ((k = +k) === 0) { + outerFunc = x => -Math.log(x); + } else { + k = 1 / k; + outerFunc = x => Math.pow(x, k); + } + a = a == null ? 0 : +a; + b = b == null ? 1 : +b; + return function() { + return a + b * outerFunc(-Math.log1p(-source())); + }; + } - return initRange.apply(linearish(scale), arguments); -} + randomWeibull.source = sourceRandomWeibull; -function threshold() { - var domain = [0.5], - range = [0, 1], - unknown, - n = 1; + return randomWeibull; +})(defaultSource); - function scale(x) { - return x != null && x <= x ? range[d3Array.bisect(domain, x, 0, n)] : unknown; +var cauchy = (function sourceRandomCauchy(source) { + function randomCauchy(a, b) { + a = a == null ? 0 : +a; + b = b == null ? 1 : +b; + return function() { + return a + b * Math.tan(Math.PI * source()); + }; } - scale.domain = function(_) { - return arguments.length ? (domain = Array.from(_), n = Math.min(domain.length, range.length - 1), scale) : domain.slice(); - }; - - scale.range = function(_) { - return arguments.length ? (range = Array.from(_), n = Math.min(domain.length, range.length - 1), scale) : range.slice(); - }; - - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return [domain[i - 1], domain[i]]; - }; - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; - - scale.copy = function() { - return threshold() - .domain(domain) - .range(range) - .unknown(unknown); - }; + randomCauchy.source = sourceRandomCauchy; - return initRange.apply(scale, arguments); -} + return randomCauchy; +})(defaultSource); -function date(t) { - return new Date(t); -} +var logistic = (function sourceRandomLogistic(source) { + function randomLogistic(a, b) { + a = a == null ? 0 : +a; + b = b == null ? 1 : +b; + return function() { + var u = source(); + return a + b * Math.log(u / (1 - u)); + }; + } -function number(t) { - return t instanceof Date ? +t : +new Date(+t); -} + randomLogistic.source = sourceRandomLogistic; -function calendar(ticks, tickInterval, year, month, week, day, hour, minute, second, format) { - var scale = continuous(), - invert = scale.invert, - domain = scale.domain; + return randomLogistic; +})(defaultSource); - var formatMillisecond = format(".%L"), - formatSecond = format(":%S"), - formatMinute = format("%I:%M"), - formatHour = format("%I %p"), - formatDay = format("%a %d"), - formatWeek = format("%b %d"), - formatMonth = format("%B"), - formatYear = format("%Y"); +var poisson = (function sourceRandomPoisson(source) { + var G = gamma.source(source), + B = binomial.source(source); - function tickFormat(date) { - return (second(date) < date ? formatMillisecond - : minute(date) < date ? formatSecond - : hour(date) < date ? formatMinute - : day(date) < date ? formatHour - : month(date) < date ? (week(date) < date ? formatDay : formatWeek) - : year(date) < date ? formatMonth - : formatYear)(date); + function randomPoisson(lambda) { + return function() { + var acc = 0, l = lambda; + while (l > 16) { + var n = Math.floor(0.875 * l), + t = G(n)(); + if (t > l) return acc + B(n - 1, l / t)(); + acc += n; + l -= t; + } + for (var s = -Math.log1p(-source()), k = 0; s <= l; ++k) s -= Math.log1p(-source()); + return acc + k; + }; } - scale.invert = function(y) { - return new Date(invert(y)); - }; - - scale.domain = function(_) { - return arguments.length ? domain(Array.from(_, number)) : domain().map(date); - }; + randomPoisson.source = sourceRandomPoisson; - scale.ticks = function(interval) { - var d = domain(); - return ticks(d[0], d[d.length - 1], interval == null ? 10 : interval); - }; + return randomPoisson; +})(defaultSource); - scale.tickFormat = function(count, specifier) { - return specifier == null ? tickFormat : format(specifier); - }; +// https://en.wikipedia.org/wiki/Linear_congruential_generator#Parameters_in_common_use +const mul = 0x19660D; +const inc = 0x3C6EF35F; +const eps = 1 / 0x100000000; - scale.nice = function(interval) { - var d = domain(); - if (!interval || typeof interval.range !== "function") interval = tickInterval(d[0], d[d.length - 1], interval == null ? 10 : interval); - return interval ? domain(nice(d, interval)) : scale; - }; +function lcg(seed = Math.random()) { + let state = (0 <= seed && seed < 1 ? seed / eps : Math.abs(seed)) | 0; + return () => (state = mul * state + inc | 0, eps * (state >>> 0)); +} - scale.copy = function() { - return copy$1(scale, calendar(ticks, tickInterval, year, month, week, day, hour, minute, second, format)); - }; +exports.randomBates = bates; +exports.randomBernoulli = bernoulli; +exports.randomBeta = beta; +exports.randomBinomial = binomial; +exports.randomCauchy = cauchy; +exports.randomExponential = exponential; +exports.randomGamma = gamma; +exports.randomGeometric = geometric; +exports.randomInt = int; +exports.randomIrwinHall = irwinHall; +exports.randomLcg = lcg; +exports.randomLogNormal = logNormal; +exports.randomLogistic = logistic; +exports.randomNormal = normal; +exports.randomPareto = pareto; +exports.randomPoisson = poisson; +exports.randomUniform = uniform; +exports.randomWeibull = weibull; - return scale; -} +Object.defineProperty(exports, '__esModule', { value: true }); -function time() { - return initRange.apply(calendar(d3Time.timeTicks, d3Time.timeTickInterval, d3Time.timeYear, d3Time.timeMonth, d3Time.timeWeek, d3Time.timeDay, d3Time.timeHour, d3Time.timeMinute, d3Time.timeSecond, d3TimeFormat.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments); -} +}))); +}); -function utcTime() { - return initRange.apply(calendar(d3Time.utcTicks, d3Time.utcTickInterval, d3Time.utcYear, d3Time.utcMonth, d3Time.utcWeek, d3Time.utcDay, d3Time.utcHour, d3Time.utcMinute, d3Time.utcSecond, d3TimeFormat.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]), arguments); -} +var d3Time = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-time/ v2.1.1 Copyright 2021 Mike Bostock +(function (global, factory) { +factory(exports, d3Array) ; +}(commonjsGlobal, (function (exports, d3Array) { +var t0 = new Date, + t1 = new Date; -function transformer$1() { - var x0 = 0, - x1 = 1, - t0, - t1, - k10, - transform, - interpolator = identity$1, - clamp = false, - unknown; +function newInterval(floori, offseti, count, field) { - function scale(x) { - return x == null || isNaN(x = +x) ? unknown : interpolator(k10 === 0 ? 0.5 : (x = (transform(x) - t0) * k10, clamp ? Math.max(0, Math.min(1, x)) : x)); + function interval(date) { + return floori(date = arguments.length === 0 ? new Date : new Date(+date)), date; } - scale.domain = function(_) { - return arguments.length ? ([x0, x1] = _, t0 = transform(x0 = +x0), t1 = transform(x1 = +x1), k10 = t0 === t1 ? 0 : 1 / (t1 - t0), scale) : [x0, x1]; + interval.floor = function(date) { + return floori(date = new Date(+date)), date; }; - scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, scale) : clamp; + interval.ceil = function(date) { + return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; }; - scale.interpolator = function(_) { - return arguments.length ? (interpolator = _, scale) : interpolator; + interval.round = function(date) { + var d0 = interval(date), + d1 = interval.ceil(date); + return date - d0 < d1 - date ? d0 : d1; }; - function range(interpolate) { - return function(_) { - var r0, r1; - return arguments.length ? ([r0, r1] = _, interpolator = interpolate(r0, r1), scale) : [interpolator(0), interpolator(1)]; - }; - } - - scale.range = range(d3Interpolate.interpolate); - - scale.rangeRound = range(d3Interpolate.interpolateRound); - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; + interval.offset = function(date, step) { + return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; }; - return function(t) { - transform = t, t0 = t(x0), t1 = t(x1), k10 = t0 === t1 ? 0 : 1 / (t1 - t0); - return scale; + interval.range = function(start, stop, step) { + var range = [], previous; + start = interval.ceil(start); + step = step == null ? 1 : Math.floor(step); + if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date + do range.push(previous = new Date(+start)), offseti(start, step), floori(start); + while (previous < start && start < stop); + return range; }; -} - -function copy(source, target) { - return target - .domain(source.domain()) - .interpolator(source.interpolator()) - .clamp(source.clamp()) - .unknown(source.unknown()); -} - -function sequential() { - var scale = linearish(transformer$1()(identity$1)); - scale.copy = function() { - return copy(scale, sequential()); + interval.filter = function(test) { + return newInterval(function(date) { + if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1); + }, function(date, step) { + if (date >= date) { + if (step < 0) while (++step <= 0) { + while (offseti(date, -1), !test(date)) {} // eslint-disable-line no-empty + } else while (--step >= 0) { + while (offseti(date, +1), !test(date)) {} // eslint-disable-line no-empty + } + } + }); }; - return initInterpolator.apply(scale, arguments); -} - -function sequentialLog() { - var scale = loggish(transformer$1()).domain([1, 10]); + if (count) { + interval.count = function(start, end) { + t0.setTime(+start), t1.setTime(+end); + floori(t0), floori(t1); + return Math.floor(count(t0, t1)); + }; - scale.copy = function() { - return copy(scale, sequentialLog()).base(scale.base()); - }; + interval.every = function(step) { + step = Math.floor(step); + return !isFinite(step) || !(step > 0) ? null + : !(step > 1) ? interval + : interval.filter(field + ? function(d) { return field(d) % step === 0; } + : function(d) { return interval.count(0, d) % step === 0; }); + }; + } - return initInterpolator.apply(scale, arguments); + return interval; } -function sequentialSymlog() { - var scale = symlogish(transformer$1()); +var millisecond = newInterval(function() { + // noop +}, function(date, step) { + date.setTime(+date + step); +}, function(start, end) { + return end - start; +}); - scale.copy = function() { - return copy(scale, sequentialSymlog()).constant(scale.constant()); - }; +// An optimized implementation for this simple case. +millisecond.every = function(k) { + k = Math.floor(k); + if (!isFinite(k) || !(k > 0)) return null; + if (!(k > 1)) return millisecond; + return newInterval(function(date) { + date.setTime(Math.floor(date / k) * k); + }, function(date, step) { + date.setTime(+date + step * k); + }, function(start, end) { + return (end - start) / k; + }); +}; +var milliseconds = millisecond.range; - return initInterpolator.apply(scale, arguments); -} +const durationSecond = 1000; +const durationMinute = durationSecond * 60; +const durationHour = durationMinute * 60; +const durationDay = durationHour * 24; +const durationWeek = durationDay * 7; +const durationMonth = durationDay * 30; +const durationYear = durationDay * 365; -function sequentialPow() { - var scale = powish(transformer$1()); +var second = newInterval(function(date) { + date.setTime(date - date.getMilliseconds()); +}, function(date, step) { + date.setTime(+date + step * durationSecond); +}, function(start, end) { + return (end - start) / durationSecond; +}, function(date) { + return date.getUTCSeconds(); +}); +var seconds = second.range; - scale.copy = function() { - return copy(scale, sequentialPow()).exponent(scale.exponent()); - }; +var minute = newInterval(function(date) { + date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond); +}, function(date, step) { + date.setTime(+date + step * durationMinute); +}, function(start, end) { + return (end - start) / durationMinute; +}, function(date) { + return date.getMinutes(); +}); +var minutes = minute.range; - return initInterpolator.apply(scale, arguments); -} +var hour = newInterval(function(date) { + date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond - date.getMinutes() * durationMinute); +}, function(date, step) { + date.setTime(+date + step * durationHour); +}, function(start, end) { + return (end - start) / durationHour; +}, function(date) { + return date.getHours(); +}); +var hours = hour.range; -function sequentialSqrt() { - return sequentialPow.apply(null, arguments).exponent(0.5); -} +var day = newInterval( + date => date.setHours(0, 0, 0, 0), + (date, step) => date.setDate(date.getDate() + step), + (start, end) => (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay, + date => date.getDate() - 1 +); +var days = day.range; -function sequentialQuantile() { - var domain = [], - interpolator = identity$1; +function weekday(i) { + return newInterval(function(date) { + date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setDate(date.getDate() + step * 7); + }, function(start, end) { + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; + }); +} - function scale(x) { - if (x != null && !isNaN(x = +x)) return interpolator((d3Array.bisect(domain, x, 1) - 1) / (domain.length - 1)); - } +var sunday = weekday(0); +var monday = weekday(1); +var tuesday = weekday(2); +var wednesday = weekday(3); +var thursday = weekday(4); +var friday = weekday(5); +var saturday = weekday(6); - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = []; - for (let d of _) if (d != null && !isNaN(d = +d)) domain.push(d); - domain.sort(d3Array.ascending); - return scale; - }; +var sundays = sunday.range; +var mondays = monday.range; +var tuesdays = tuesday.range; +var wednesdays = wednesday.range; +var thursdays = thursday.range; +var fridays = friday.range; +var saturdays = saturday.range; - scale.interpolator = function(_) { - return arguments.length ? (interpolator = _, scale) : interpolator; - }; +var month = newInterval(function(date) { + date.setDate(1); + date.setHours(0, 0, 0, 0); +}, function(date, step) { + date.setMonth(date.getMonth() + step); +}, function(start, end) { + return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; +}, function(date) { + return date.getMonth(); +}); +var months = month.range; - scale.range = function() { - return domain.map((d, i) => interpolator(i / (domain.length - 1))); - }; +var year = newInterval(function(date) { + date.setMonth(0, 1); + date.setHours(0, 0, 0, 0); +}, function(date, step) { + date.setFullYear(date.getFullYear() + step); +}, function(start, end) { + return end.getFullYear() - start.getFullYear(); +}, function(date) { + return date.getFullYear(); +}); - scale.quantiles = function(n) { - return Array.from({length: n + 1}, (_, i) => d3Array.quantile(domain, i / n)); - }; +// An optimized implementation for this simple case. +year.every = function(k) { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { + date.setFullYear(Math.floor(date.getFullYear() / k) * k); + date.setMonth(0, 1); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setFullYear(date.getFullYear() + step * k); + }); +}; +var years = year.range; - scale.copy = function() { - return sequentialQuantile(interpolator).domain(domain); - }; +var utcMinute = newInterval(function(date) { + date.setUTCSeconds(0, 0); +}, function(date, step) { + date.setTime(+date + step * durationMinute); +}, function(start, end) { + return (end - start) / durationMinute; +}, function(date) { + return date.getUTCMinutes(); +}); +var utcMinutes = utcMinute.range; - return initInterpolator.apply(scale, arguments); -} +var utcHour = newInterval(function(date) { + date.setUTCMinutes(0, 0, 0); +}, function(date, step) { + date.setTime(+date + step * durationHour); +}, function(start, end) { + return (end - start) / durationHour; +}, function(date) { + return date.getUTCHours(); +}); +var utcHours = utcHour.range; -function transformer() { - var x0 = 0, - x1 = 0.5, - x2 = 1, - s = 1, - t0, - t1, - t2, - k10, - k21, - interpolator = identity$1, - transform, - clamp = false, - unknown; +var utcDay = newInterval(function(date) { + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCDate(date.getUTCDate() + step); +}, function(start, end) { + return (end - start) / durationDay; +}, function(date) { + return date.getUTCDate() - 1; +}); +var utcDays = utcDay.range; - function scale(x) { - return isNaN(x = +x) ? unknown : (x = 0.5 + ((x = +transform(x)) - t1) * (s * x < s * t1 ? k10 : k21), interpolator(clamp ? Math.max(0, Math.min(1, x)) : x)); - } +function utcWeekday(i) { + return newInterval(function(date) { + date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCDate(date.getUTCDate() + step * 7); + }, function(start, end) { + return (end - start) / durationWeek; + }); +} - scale.domain = function(_) { - return arguments.length ? ([x0, x1, x2] = _, t0 = transform(x0 = +x0), t1 = transform(x1 = +x1), t2 = transform(x2 = +x2), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1), s = t1 < t0 ? -1 : 1, scale) : [x0, x1, x2]; - }; +var utcSunday = utcWeekday(0); +var utcMonday = utcWeekday(1); +var utcTuesday = utcWeekday(2); +var utcWednesday = utcWeekday(3); +var utcThursday = utcWeekday(4); +var utcFriday = utcWeekday(5); +var utcSaturday = utcWeekday(6); - scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, scale) : clamp; - }; +var utcSundays = utcSunday.range; +var utcMondays = utcMonday.range; +var utcTuesdays = utcTuesday.range; +var utcWednesdays = utcWednesday.range; +var utcThursdays = utcThursday.range; +var utcFridays = utcFriday.range; +var utcSaturdays = utcSaturday.range; - scale.interpolator = function(_) { - return arguments.length ? (interpolator = _, scale) : interpolator; - }; - - function range(interpolate) { - return function(_) { - var r0, r1, r2; - return arguments.length ? ([r0, r1, r2] = _, interpolator = d3Interpolate.piecewise(interpolate, [r0, r1, r2]), scale) : [interpolator(0), interpolator(0.5), interpolator(1)]; - }; - } - - scale.range = range(d3Interpolate.interpolate); - - scale.rangeRound = range(d3Interpolate.interpolateRound); - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; - - return function(t) { - transform = t, t0 = t(x0), t1 = t(x1), t2 = t(x2), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1), s = t1 < t0 ? -1 : 1; - return scale; - }; -} - -function diverging() { - var scale = linearish(transformer()(identity$1)); - - scale.copy = function() { - return copy(scale, diverging()); - }; - - return initInterpolator.apply(scale, arguments); -} - -function divergingLog() { - var scale = loggish(transformer()).domain([0.1, 1, 10]); - - scale.copy = function() { - return copy(scale, divergingLog()).base(scale.base()); - }; +var utcMonth = newInterval(function(date) { + date.setUTCDate(1); + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCMonth(date.getUTCMonth() + step); +}, function(start, end) { + return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; +}, function(date) { + return date.getUTCMonth(); +}); +var utcMonths = utcMonth.range; - return initInterpolator.apply(scale, arguments); -} +var utcYear = newInterval(function(date) { + date.setUTCMonth(0, 1); + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCFullYear(date.getUTCFullYear() + step); +}, function(start, end) { + return end.getUTCFullYear() - start.getUTCFullYear(); +}, function(date) { + return date.getUTCFullYear(); +}); -function divergingSymlog() { - var scale = symlogish(transformer()); +// An optimized implementation for this simple case. +utcYear.every = function(k) { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { + date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); + date.setUTCMonth(0, 1); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCFullYear(date.getUTCFullYear() + step * k); + }); +}; +var utcYears = utcYear.range; - scale.copy = function() { - return copy(scale, divergingSymlog()).constant(scale.constant()); - }; +function ticker(year, month, week, day, hour, minute) { - return initInterpolator.apply(scale, arguments); -} + const tickIntervals = [ + [second, 1, durationSecond], + [second, 5, 5 * durationSecond], + [second, 15, 15 * durationSecond], + [second, 30, 30 * durationSecond], + [minute, 1, durationMinute], + [minute, 5, 5 * durationMinute], + [minute, 15, 15 * durationMinute], + [minute, 30, 30 * durationMinute], + [ hour, 1, durationHour ], + [ hour, 3, 3 * durationHour ], + [ hour, 6, 6 * durationHour ], + [ hour, 12, 12 * durationHour ], + [ day, 1, durationDay ], + [ day, 2, 2 * durationDay ], + [ week, 1, durationWeek ], + [ month, 1, durationMonth ], + [ month, 3, 3 * durationMonth ], + [ year, 1, durationYear ] + ]; -function divergingPow() { - var scale = powish(transformer()); + function ticks(start, stop, count) { + const reverse = stop < start; + if (reverse) [start, stop] = [stop, start]; + const interval = count && typeof count.range === "function" ? count : tickInterval(start, stop, count); + const ticks = interval ? interval.range(start, +stop + 1) : []; // inclusive stop + return reverse ? ticks.reverse() : ticks; + } - scale.copy = function() { - return copy(scale, divergingPow()).exponent(scale.exponent()); - }; + function tickInterval(start, stop, count) { + const target = Math.abs(stop - start) / count; + const i = d3Array.bisector(([,, step]) => step).right(tickIntervals, target); + if (i === tickIntervals.length) return year.every(d3Array.tickStep(start / durationYear, stop / durationYear, count)); + if (i === 0) return millisecond.every(Math.max(d3Array.tickStep(start, stop, count), 1)); + const [t, step] = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; + return t.every(step); + } - return initInterpolator.apply(scale, arguments); + return [ticks, tickInterval]; } -function divergingSqrt() { - return divergingPow.apply(null, arguments).exponent(0.5); -} +const [utcTicks, utcTickInterval] = ticker(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute); +const [timeTicks, timeTickInterval] = ticker(year, month, sunday, day, hour, minute); -exports.scaleBand = band; -exports.scaleDiverging = diverging; -exports.scaleDivergingLog = divergingLog; -exports.scaleDivergingPow = divergingPow; -exports.scaleDivergingSqrt = divergingSqrt; -exports.scaleDivergingSymlog = divergingSymlog; -exports.scaleIdentity = identity; -exports.scaleImplicit = implicit; -exports.scaleLinear = linear; -exports.scaleLog = log; -exports.scaleOrdinal = ordinal; -exports.scalePoint = point; -exports.scalePow = pow; -exports.scaleQuantile = quantile; -exports.scaleQuantize = quantize; -exports.scaleRadial = radial; -exports.scaleSequential = sequential; -exports.scaleSequentialLog = sequentialLog; -exports.scaleSequentialPow = sequentialPow; -exports.scaleSequentialQuantile = sequentialQuantile; -exports.scaleSequentialSqrt = sequentialSqrt; -exports.scaleSequentialSymlog = sequentialSymlog; -exports.scaleSqrt = sqrt; -exports.scaleSymlog = symlog; -exports.scaleThreshold = threshold; -exports.scaleTime = time; -exports.scaleUtc = utcTime; -exports.tickFormat = tickFormat; +exports.timeDay = day; +exports.timeDays = days; +exports.timeFriday = friday; +exports.timeFridays = fridays; +exports.timeHour = hour; +exports.timeHours = hours; +exports.timeInterval = newInterval; +exports.timeMillisecond = millisecond; +exports.timeMilliseconds = milliseconds; +exports.timeMinute = minute; +exports.timeMinutes = minutes; +exports.timeMonday = monday; +exports.timeMondays = mondays; +exports.timeMonth = month; +exports.timeMonths = months; +exports.timeSaturday = saturday; +exports.timeSaturdays = saturdays; +exports.timeSecond = second; +exports.timeSeconds = seconds; +exports.timeSunday = sunday; +exports.timeSundays = sundays; +exports.timeThursday = thursday; +exports.timeThursdays = thursdays; +exports.timeTickInterval = timeTickInterval; +exports.timeTicks = timeTicks; +exports.timeTuesday = tuesday; +exports.timeTuesdays = tuesdays; +exports.timeWednesday = wednesday; +exports.timeWednesdays = wednesdays; +exports.timeWeek = sunday; +exports.timeWeeks = sundays; +exports.timeYear = year; +exports.timeYears = years; +exports.utcDay = utcDay; +exports.utcDays = utcDays; +exports.utcFriday = utcFriday; +exports.utcFridays = utcFridays; +exports.utcHour = utcHour; +exports.utcHours = utcHours; +exports.utcMillisecond = millisecond; +exports.utcMilliseconds = milliseconds; +exports.utcMinute = utcMinute; +exports.utcMinutes = utcMinutes; +exports.utcMonday = utcMonday; +exports.utcMondays = utcMondays; +exports.utcMonth = utcMonth; +exports.utcMonths = utcMonths; +exports.utcSaturday = utcSaturday; +exports.utcSaturdays = utcSaturdays; +exports.utcSecond = second; +exports.utcSeconds = seconds; +exports.utcSunday = utcSunday; +exports.utcSundays = utcSundays; +exports.utcThursday = utcThursday; +exports.utcThursdays = utcThursdays; +exports.utcTickInterval = utcTickInterval; +exports.utcTicks = utcTicks; +exports.utcTuesday = utcTuesday; +exports.utcTuesdays = utcTuesdays; +exports.utcWednesday = utcWednesday; +exports.utcWednesdays = utcWednesdays; +exports.utcWeek = utcSunday; +exports.utcWeeks = utcSundays; +exports.utcYear = utcYear; +exports.utcYears = utcYears; Object.defineProperty(exports, '__esModule', { value: true }); }))); }); -var d3ScaleChromatic = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-scale-chromatic/ v2.0.0 Copyright 2020 Mike Bostock +var d3TimeFormat = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-time-format/ v3.0.0 Copyright 2020 Mike Bostock (function (global, factory) { -factory(exports, d3Interpolate, d3Color) ; -}(commonjsGlobal, function (exports, d3Interpolate, d3Color) { -function colors(specifier) { - var n = specifier.length / 6 | 0, colors = new Array(n), i = 0; - while (i < n) colors[i] = "#" + specifier.slice(i * 6, ++i * 6); - return colors; +factory(exports, d3Time) ; +}(commonjsGlobal, function (exports, d3Time) { +function localDate(d) { + if (0 <= d.y && d.y < 100) { + var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); + date.setFullYear(d.y); + return date; + } + return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); } -var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); - -var Accent = colors("7fc97fbeaed4fdc086ffff99386cb0f0027fbf5b17666666"); +function utcDate(d) { + if (0 <= d.y && d.y < 100) { + var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); + date.setUTCFullYear(d.y); + return date; + } + return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); +} -var Dark2 = colors("1b9e77d95f027570b3e7298a66a61ee6ab02a6761d666666"); +function newDate(y, m, d) { + return {y: y, m: m, d: d, H: 0, M: 0, S: 0, L: 0}; +} -var Paired = colors("a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d66a3d9affff99b15928"); +function formatLocale(locale) { + var locale_dateTime = locale.dateTime, + locale_date = locale.date, + locale_time = locale.time, + locale_periods = locale.periods, + locale_weekdays = locale.days, + locale_shortWeekdays = locale.shortDays, + locale_months = locale.months, + locale_shortMonths = locale.shortMonths; -var Pastel1 = colors("fbb4aeb3cde3ccebc5decbe4fed9a6ffffcce5d8bdfddaecf2f2f2"); + var periodRe = formatRe(locale_periods), + periodLookup = formatLookup(locale_periods), + weekdayRe = formatRe(locale_weekdays), + weekdayLookup = formatLookup(locale_weekdays), + shortWeekdayRe = formatRe(locale_shortWeekdays), + shortWeekdayLookup = formatLookup(locale_shortWeekdays), + monthRe = formatRe(locale_months), + monthLookup = formatLookup(locale_months), + shortMonthRe = formatRe(locale_shortMonths), + shortMonthLookup = formatLookup(locale_shortMonths); -var Pastel2 = colors("b3e2cdfdcdaccbd5e8f4cae4e6f5c9fff2aef1e2cccccccc"); + var formats = { + "a": formatShortWeekday, + "A": formatWeekday, + "b": formatShortMonth, + "B": formatMonth, + "c": null, + "d": formatDayOfMonth, + "e": formatDayOfMonth, + "f": formatMicroseconds, + "g": formatYearISO, + "G": formatFullYearISO, + "H": formatHour24, + "I": formatHour12, + "j": formatDayOfYear, + "L": formatMilliseconds, + "m": formatMonthNumber, + "M": formatMinutes, + "p": formatPeriod, + "q": formatQuarter, + "Q": formatUnixTimestamp, + "s": formatUnixTimestampSeconds, + "S": formatSeconds, + "u": formatWeekdayNumberMonday, + "U": formatWeekNumberSunday, + "V": formatWeekNumberISO, + "w": formatWeekdayNumberSunday, + "W": formatWeekNumberMonday, + "x": null, + "X": null, + "y": formatYear, + "Y": formatFullYear, + "Z": formatZone, + "%": formatLiteralPercent + }; -var Set1 = colors("e41a1c377eb84daf4a984ea3ff7f00ffff33a65628f781bf999999"); + var utcFormats = { + "a": formatUTCShortWeekday, + "A": formatUTCWeekday, + "b": formatUTCShortMonth, + "B": formatUTCMonth, + "c": null, + "d": formatUTCDayOfMonth, + "e": formatUTCDayOfMonth, + "f": formatUTCMicroseconds, + "g": formatUTCYearISO, + "G": formatUTCFullYearISO, + "H": formatUTCHour24, + "I": formatUTCHour12, + "j": formatUTCDayOfYear, + "L": formatUTCMilliseconds, + "m": formatUTCMonthNumber, + "M": formatUTCMinutes, + "p": formatUTCPeriod, + "q": formatUTCQuarter, + "Q": formatUnixTimestamp, + "s": formatUnixTimestampSeconds, + "S": formatUTCSeconds, + "u": formatUTCWeekdayNumberMonday, + "U": formatUTCWeekNumberSunday, + "V": formatUTCWeekNumberISO, + "w": formatUTCWeekdayNumberSunday, + "W": formatUTCWeekNumberMonday, + "x": null, + "X": null, + "y": formatUTCYear, + "Y": formatUTCFullYear, + "Z": formatUTCZone, + "%": formatLiteralPercent + }; -var Set2 = colors("66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494b3b3b3"); + var parses = { + "a": parseShortWeekday, + "A": parseWeekday, + "b": parseShortMonth, + "B": parseMonth, + "c": parseLocaleDateTime, + "d": parseDayOfMonth, + "e": parseDayOfMonth, + "f": parseMicroseconds, + "g": parseYear, + "G": parseFullYear, + "H": parseHour24, + "I": parseHour24, + "j": parseDayOfYear, + "L": parseMilliseconds, + "m": parseMonthNumber, + "M": parseMinutes, + "p": parsePeriod, + "q": parseQuarter, + "Q": parseUnixTimestamp, + "s": parseUnixTimestampSeconds, + "S": parseSeconds, + "u": parseWeekdayNumberMonday, + "U": parseWeekNumberSunday, + "V": parseWeekNumberISO, + "w": parseWeekdayNumberSunday, + "W": parseWeekNumberMonday, + "x": parseLocaleDate, + "X": parseLocaleTime, + "y": parseYear, + "Y": parseFullYear, + "Z": parseZone, + "%": parseLiteralPercent + }; -var Set3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f"); + // These recursive directive definitions must be deferred. + formats.x = newFormat(locale_date, formats); + formats.X = newFormat(locale_time, formats); + formats.c = newFormat(locale_dateTime, formats); + utcFormats.x = newFormat(locale_date, utcFormats); + utcFormats.X = newFormat(locale_time, utcFormats); + utcFormats.c = newFormat(locale_dateTime, utcFormats); -var Tableau10 = colors("4e79a7f28e2ce1575976b7b259a14fedc949af7aa1ff9da79c755fbab0ab"); + function newFormat(specifier, formats) { + return function(date) { + var string = [], + i = -1, + j = 0, + n = specifier.length, + c, + pad, + format; -var ramp = scheme => d3Interpolate.interpolateRgbBasis(scheme[scheme.length - 1]); + if (!(date instanceof Date)) date = new Date(+date); -var scheme = new Array(3).concat( - "d8b365f5f5f55ab4ac", - "a6611adfc27d80cdc1018571", - "a6611adfc27df5f5f580cdc1018571", - "8c510ad8b365f6e8c3c7eae55ab4ac01665e", - "8c510ad8b365f6e8c3f5f5f5c7eae55ab4ac01665e", - "8c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e", - "8c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e", - "5430058c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e003c30", - "5430058c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e003c30" -).map(colors); + while (++i < n) { + if (specifier.charCodeAt(i) === 37) { + string.push(specifier.slice(j, i)); + if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); + else pad = c === "e" ? " " : "0"; + if (format = formats[c]) c = format(date, pad); + string.push(c); + j = i + 1; + } + } -var BrBG = ramp(scheme); + string.push(specifier.slice(j, i)); + return string.join(""); + }; + } -var scheme$1 = new Array(3).concat( - "af8dc3f7f7f77fbf7b", - "7b3294c2a5cfa6dba0008837", - "7b3294c2a5cff7f7f7a6dba0008837", - "762a83af8dc3e7d4e8d9f0d37fbf7b1b7837", - "762a83af8dc3e7d4e8f7f7f7d9f0d37fbf7b1b7837", - "762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b7837", - "762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b7837", - "40004b762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b783700441b", - "40004b762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b783700441b" -).map(colors); + function newParse(specifier, Z) { + return function(string) { + var d = newDate(1900, undefined, 1), + i = parseSpecifier(d, specifier, string += "", 0), + week, day; + if (i != string.length) return null; -var PRGn = ramp(scheme$1); + // If a UNIX timestamp is specified, return it. + if ("Q" in d) return new Date(d.Q); + if ("s" in d) return new Date(d.s * 1000 + ("L" in d ? d.L : 0)); -var scheme$2 = new Array(3).concat( - "e9a3c9f7f7f7a1d76a", - "d01c8bf1b6dab8e1864dac26", - "d01c8bf1b6daf7f7f7b8e1864dac26", - "c51b7de9a3c9fde0efe6f5d0a1d76a4d9221", - "c51b7de9a3c9fde0eff7f7f7e6f5d0a1d76a4d9221", - "c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221", - "c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221", - "8e0152c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221276419", - "8e0152c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221276419" -).map(colors); + // If this is utcParse, never use the local timezone. + if (Z && !("Z" in d)) d.Z = 0; -var PiYG = ramp(scheme$2); + // The am-pm flag is 0 for AM, and 1 for PM. + if ("p" in d) d.H = d.H % 12 + d.p * 12; -var scheme$3 = new Array(3).concat( - "998ec3f7f7f7f1a340", - "5e3c99b2abd2fdb863e66101", - "5e3c99b2abd2f7f7f7fdb863e66101", - "542788998ec3d8daebfee0b6f1a340b35806", - "542788998ec3d8daebf7f7f7fee0b6f1a340b35806", - "5427888073acb2abd2d8daebfee0b6fdb863e08214b35806", - "5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b35806", - "2d004b5427888073acb2abd2d8daebfee0b6fdb863e08214b358067f3b08", - "2d004b5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b358067f3b08" -).map(colors); + // If the month was not specified, inherit from the quarter. + if (d.m === undefined) d.m = "q" in d ? d.q : 0; -var PuOr = ramp(scheme$3); + // Convert day-of-week and week-of-year to day-of-year. + if ("V" in d) { + if (d.V < 1 || d.V > 53) return null; + if (!("w" in d)) d.w = 1; + if ("Z" in d) { + week = utcDate(newDate(d.y, 0, 1)), day = week.getUTCDay(); + week = day > 4 || day === 0 ? d3Time.utcMonday.ceil(week) : d3Time.utcMonday(week); + week = d3Time.utcDay.offset(week, (d.V - 1) * 7); + d.y = week.getUTCFullYear(); + d.m = week.getUTCMonth(); + d.d = week.getUTCDate() + (d.w + 6) % 7; + } else { + week = localDate(newDate(d.y, 0, 1)), day = week.getDay(); + week = day > 4 || day === 0 ? d3Time.timeMonday.ceil(week) : d3Time.timeMonday(week); + week = d3Time.timeDay.offset(week, (d.V - 1) * 7); + d.y = week.getFullYear(); + d.m = week.getMonth(); + d.d = week.getDate() + (d.w + 6) % 7; + } + } else if ("W" in d || "U" in d) { + if (!("w" in d)) d.w = "u" in d ? d.u % 7 : "W" in d ? 1 : 0; + day = "Z" in d ? utcDate(newDate(d.y, 0, 1)).getUTCDay() : localDate(newDate(d.y, 0, 1)).getDay(); + d.m = 0; + d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day + 5) % 7 : d.w + d.U * 7 - (day + 6) % 7; + } -var scheme$4 = new Array(3).concat( - "ef8a62f7f7f767a9cf", - "ca0020f4a58292c5de0571b0", - "ca0020f4a582f7f7f792c5de0571b0", - "b2182bef8a62fddbc7d1e5f067a9cf2166ac", - "b2182bef8a62fddbc7f7f7f7d1e5f067a9cf2166ac", - "b2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac", - "b2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac", - "67001fb2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac053061", - "67001fb2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac053061" -).map(colors); + // If a time zone is specified, all fields are interpreted as UTC and then + // offset according to the specified time zone. + if ("Z" in d) { + d.H += d.Z / 100 | 0; + d.M += d.Z % 100; + return utcDate(d); + } -var RdBu = ramp(scheme$4); + // Otherwise, all fields are in local time. + return localDate(d); + }; + } -var scheme$5 = new Array(3).concat( - "ef8a62ffffff999999", - "ca0020f4a582bababa404040", - "ca0020f4a582ffffffbababa404040", - "b2182bef8a62fddbc7e0e0e09999994d4d4d", - "b2182bef8a62fddbc7ffffffe0e0e09999994d4d4d", - "b2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d", - "b2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d", - "67001fb2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d1a1a1a", - "67001fb2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d1a1a1a" -).map(colors); + function parseSpecifier(d, specifier, string, j) { + var i = 0, + n = specifier.length, + m = string.length, + c, + parse; -var RdGy = ramp(scheme$5); + while (i < n) { + if (j >= m) return -1; + c = specifier.charCodeAt(i++); + if (c === 37) { + c = specifier.charAt(i++); + parse = parses[c in pads ? specifier.charAt(i++) : c]; + if (!parse || ((j = parse(d, string, j)) < 0)) return -1; + } else if (c != string.charCodeAt(j++)) { + return -1; + } + } -var scheme$6 = new Array(3).concat( - "fc8d59ffffbf91bfdb", - "d7191cfdae61abd9e92c7bb6", - "d7191cfdae61ffffbfabd9e92c7bb6", - "d73027fc8d59fee090e0f3f891bfdb4575b4", - "d73027fc8d59fee090ffffbfe0f3f891bfdb4575b4", - "d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4", - "d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4", - "a50026d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4313695", - "a50026d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4313695" -).map(colors); + return j; + } -var RdYlBu = ramp(scheme$6); + function parsePeriod(d, string, i) { + var n = periodRe.exec(string.slice(i)); + return n ? (d.p = periodLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } -var scheme$7 = new Array(3).concat( - "fc8d59ffffbf91cf60", - "d7191cfdae61a6d96a1a9641", - "d7191cfdae61ffffbfa6d96a1a9641", - "d73027fc8d59fee08bd9ef8b91cf601a9850", - "d73027fc8d59fee08bffffbfd9ef8b91cf601a9850", - "d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850", - "d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850", - "a50026d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850006837", - "a50026d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850006837" -).map(colors); + function parseShortWeekday(d, string, i) { + var n = shortWeekdayRe.exec(string.slice(i)); + return n ? (d.w = shortWeekdayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } -var RdYlGn = ramp(scheme$7); + function parseWeekday(d, string, i) { + var n = weekdayRe.exec(string.slice(i)); + return n ? (d.w = weekdayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } -var scheme$8 = new Array(3).concat( - "fc8d59ffffbf99d594", - "d7191cfdae61abdda42b83ba", - "d7191cfdae61ffffbfabdda42b83ba", - "d53e4ffc8d59fee08be6f59899d5943288bd", - "d53e4ffc8d59fee08bffffbfe6f59899d5943288bd", - "d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd", - "d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd", - "9e0142d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd5e4fa2", - "9e0142d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd5e4fa2" -).map(colors); + function parseShortMonth(d, string, i) { + var n = shortMonthRe.exec(string.slice(i)); + return n ? (d.m = shortMonthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } -var Spectral = ramp(scheme$8); + function parseMonth(d, string, i) { + var n = monthRe.exec(string.slice(i)); + return n ? (d.m = monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } -var scheme$9 = new Array(3).concat( - "e5f5f999d8c92ca25f", - "edf8fbb2e2e266c2a4238b45", - "edf8fbb2e2e266c2a42ca25f006d2c", - "edf8fbccece699d8c966c2a42ca25f006d2c", - "edf8fbccece699d8c966c2a441ae76238b45005824", - "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45005824", - "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45006d2c00441b" -).map(colors); + function parseLocaleDateTime(d, string, i) { + return parseSpecifier(d, locale_dateTime, string, i); + } -var BuGn = ramp(scheme$9); + function parseLocaleDate(d, string, i) { + return parseSpecifier(d, locale_date, string, i); + } -var scheme$a = new Array(3).concat( - "e0ecf49ebcda8856a7", - "edf8fbb3cde38c96c688419d", - "edf8fbb3cde38c96c68856a7810f7c", - "edf8fbbfd3e69ebcda8c96c68856a7810f7c", - "edf8fbbfd3e69ebcda8c96c68c6bb188419d6e016b", - "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d6e016b", - "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d810f7c4d004b" -).map(colors); + function parseLocaleTime(d, string, i) { + return parseSpecifier(d, locale_time, string, i); + } -var BuPu = ramp(scheme$a); + function formatShortWeekday(d) { + return locale_shortWeekdays[d.getDay()]; + } -var scheme$b = new Array(3).concat( - "e0f3dba8ddb543a2ca", - "f0f9e8bae4bc7bccc42b8cbe", - "f0f9e8bae4bc7bccc443a2ca0868ac", - "f0f9e8ccebc5a8ddb57bccc443a2ca0868ac", - "f0f9e8ccebc5a8ddb57bccc44eb3d32b8cbe08589e", - "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe08589e", - "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe0868ac084081" -).map(colors); + function formatWeekday(d) { + return locale_weekdays[d.getDay()]; + } -var GnBu = ramp(scheme$b); + function formatShortMonth(d) { + return locale_shortMonths[d.getMonth()]; + } -var scheme$c = new Array(3).concat( - "fee8c8fdbb84e34a33", - "fef0d9fdcc8afc8d59d7301f", - "fef0d9fdcc8afc8d59e34a33b30000", - "fef0d9fdd49efdbb84fc8d59e34a33b30000", - "fef0d9fdd49efdbb84fc8d59ef6548d7301f990000", - "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301f990000", - "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301fb300007f0000" -).map(colors); + function formatMonth(d) { + return locale_months[d.getMonth()]; + } -var OrRd = ramp(scheme$c); + function formatPeriod(d) { + return locale_periods[+(d.getHours() >= 12)]; + } -var scheme$d = new Array(3).concat( - "ece2f0a6bddb1c9099", - "f6eff7bdc9e167a9cf02818a", - "f6eff7bdc9e167a9cf1c9099016c59", - "f6eff7d0d1e6a6bddb67a9cf1c9099016c59", - "f6eff7d0d1e6a6bddb67a9cf3690c002818a016450", - "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016450", - "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016c59014636" -).map(colors); + function formatQuarter(d) { + return 1 + ~~(d.getMonth() / 3); + } -var PuBuGn = ramp(scheme$d); + function formatUTCShortWeekday(d) { + return locale_shortWeekdays[d.getUTCDay()]; + } -var scheme$e = new Array(3).concat( - "ece7f2a6bddb2b8cbe", - "f1eef6bdc9e174a9cf0570b0", - "f1eef6bdc9e174a9cf2b8cbe045a8d", - "f1eef6d0d1e6a6bddb74a9cf2b8cbe045a8d", - "f1eef6d0d1e6a6bddb74a9cf3690c00570b0034e7b", - "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0034e7b", - "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0045a8d023858" -).map(colors); + function formatUTCWeekday(d) { + return locale_weekdays[d.getUTCDay()]; + } -var PuBu = ramp(scheme$e); + function formatUTCShortMonth(d) { + return locale_shortMonths[d.getUTCMonth()]; + } -var scheme$f = new Array(3).concat( - "e7e1efc994c7dd1c77", - "f1eef6d7b5d8df65b0ce1256", - "f1eef6d7b5d8df65b0dd1c77980043", - "f1eef6d4b9dac994c7df65b0dd1c77980043", - "f1eef6d4b9dac994c7df65b0e7298ace125691003f", - "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125691003f", - "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125698004367001f" -).map(colors); + function formatUTCMonth(d) { + return locale_months[d.getUTCMonth()]; + } -var PuRd = ramp(scheme$f); + function formatUTCPeriod(d) { + return locale_periods[+(d.getUTCHours() >= 12)]; + } -var scheme$g = new Array(3).concat( - "fde0ddfa9fb5c51b8a", - "feebe2fbb4b9f768a1ae017e", - "feebe2fbb4b9f768a1c51b8a7a0177", - "feebe2fcc5c0fa9fb5f768a1c51b8a7a0177", - "feebe2fcc5c0fa9fb5f768a1dd3497ae017e7a0177", - "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a0177", - "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a017749006a" -).map(colors); + function formatUTCQuarter(d) { + return 1 + ~~(d.getUTCMonth() / 3); + } -var RdPu = ramp(scheme$g); + return { + format: function(specifier) { + var f = newFormat(specifier += "", formats); + f.toString = function() { return specifier; }; + return f; + }, + parse: function(specifier) { + var p = newParse(specifier += "", false); + p.toString = function() { return specifier; }; + return p; + }, + utcFormat: function(specifier) { + var f = newFormat(specifier += "", utcFormats); + f.toString = function() { return specifier; }; + return f; + }, + utcParse: function(specifier) { + var p = newParse(specifier += "", true); + p.toString = function() { return specifier; }; + return p; + } + }; +} -var scheme$h = new Array(3).concat( - "edf8b17fcdbb2c7fb8", - "ffffcca1dab441b6c4225ea8", - "ffffcca1dab441b6c42c7fb8253494", - "ffffccc7e9b47fcdbb41b6c42c7fb8253494", - "ffffccc7e9b47fcdbb41b6c41d91c0225ea80c2c84", - "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea80c2c84", - "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea8253494081d58" -).map(colors); +var pads = {"-": "", "_": " ", "0": "0"}, + numberRe = /^\s*\d+/, // note: ignores next directive + percentRe = /^%/, + requoteRe = /[\\^$*+?|[\]().{}]/g; -var YlGnBu = ramp(scheme$h); +function pad(value, fill, width) { + var sign = value < 0 ? "-" : "", + string = (sign ? -value : value) + "", + length = string.length; + return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); +} -var scheme$i = new Array(3).concat( - "f7fcb9addd8e31a354", - "ffffccc2e69978c679238443", - "ffffccc2e69978c67931a354006837", - "ffffccd9f0a3addd8e78c67931a354006837", - "ffffccd9f0a3addd8e78c67941ab5d238443005a32", - "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443005a32", - "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443006837004529" -).map(colors); +function requote(s) { + return s.replace(requoteRe, "\\$&"); +} -var YlGn = ramp(scheme$i); +function formatRe(names) { + return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); +} -var scheme$j = new Array(3).concat( - "fff7bcfec44fd95f0e", - "ffffd4fed98efe9929cc4c02", - "ffffd4fed98efe9929d95f0e993404", - "ffffd4fee391fec44ffe9929d95f0e993404", - "ffffd4fee391fec44ffe9929ec7014cc4c028c2d04", - "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c028c2d04", - "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c02993404662506" -).map(colors); +function formatLookup(names) { + return new Map(names.map((name, i) => [name.toLowerCase(), i])); +} -var YlOrBr = ramp(scheme$j); +function parseWeekdayNumberSunday(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.w = +n[0], i + n[0].length) : -1; +} -var scheme$k = new Array(3).concat( - "ffeda0feb24cf03b20", - "ffffb2fecc5cfd8d3ce31a1c", - "ffffb2fecc5cfd8d3cf03b20bd0026", - "ffffb2fed976feb24cfd8d3cf03b20bd0026", - "ffffb2fed976feb24cfd8d3cfc4e2ae31a1cb10026", - "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cb10026", - "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cbd0026800026" -).map(colors); +function parseWeekdayNumberMonday(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.u = +n[0], i + n[0].length) : -1; +} -var YlOrRd = ramp(scheme$k); +function parseWeekNumberSunday(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.U = +n[0], i + n[0].length) : -1; +} -var scheme$l = new Array(3).concat( - "deebf79ecae13182bd", - "eff3ffbdd7e76baed62171b5", - "eff3ffbdd7e76baed63182bd08519c", - "eff3ffc6dbef9ecae16baed63182bd08519c", - "eff3ffc6dbef9ecae16baed64292c62171b5084594", - "f7fbffdeebf7c6dbef9ecae16baed64292c62171b5084594", - "f7fbffdeebf7c6dbef9ecae16baed64292c62171b508519c08306b" -).map(colors); +function parseWeekNumberISO(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.V = +n[0], i + n[0].length) : -1; +} -var Blues = ramp(scheme$l); +function parseWeekNumberMonday(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.W = +n[0], i + n[0].length) : -1; +} -var scheme$m = new Array(3).concat( - "e5f5e0a1d99b31a354", - "edf8e9bae4b374c476238b45", - "edf8e9bae4b374c47631a354006d2c", - "edf8e9c7e9c0a1d99b74c47631a354006d2c", - "edf8e9c7e9c0a1d99b74c47641ab5d238b45005a32", - "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45005a32", - "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45006d2c00441b" -).map(colors); +function parseFullYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 4)); + return n ? (d.y = +n[0], i + n[0].length) : -1; +} -var Greens = ramp(scheme$m); +function parseYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; +} -var scheme$n = new Array(3).concat( - "f0f0f0bdbdbd636363", - "f7f7f7cccccc969696525252", - "f7f7f7cccccc969696636363252525", - "f7f7f7d9d9d9bdbdbd969696636363252525", - "f7f7f7d9d9d9bdbdbd969696737373525252252525", - "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525", - "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525000000" -).map(colors); +function parseZone(d, string, i) { + var n = /^(Z)|([+-]\d\d)(?::?(\d\d))?/.exec(string.slice(i, i + 6)); + return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; +} -var Greys = ramp(scheme$n); +function parseQuarter(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.q = n[0] * 3 - 3, i + n[0].length) : -1; +} -var scheme$o = new Array(3).concat( - "efedf5bcbddc756bb1", - "f2f0f7cbc9e29e9ac86a51a3", - "f2f0f7cbc9e29e9ac8756bb154278f", - "f2f0f7dadaebbcbddc9e9ac8756bb154278f", - "f2f0f7dadaebbcbddc9e9ac8807dba6a51a34a1486", - "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a34a1486", - "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a354278f3f007d" -).map(colors); +function parseMonthNumber(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.m = n[0] - 1, i + n[0].length) : -1; +} -var Purples = ramp(scheme$o); +function parseDayOfMonth(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.d = +n[0], i + n[0].length) : -1; +} -var scheme$p = new Array(3).concat( - "fee0d2fc9272de2d26", - "fee5d9fcae91fb6a4acb181d", - "fee5d9fcae91fb6a4ade2d26a50f15", - "fee5d9fcbba1fc9272fb6a4ade2d26a50f15", - "fee5d9fcbba1fc9272fb6a4aef3b2ccb181d99000d", - "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181d99000d", - "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181da50f1567000d" -).map(colors); +function parseDayOfYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 3)); + return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; +} -var Reds = ramp(scheme$p); +function parseHour24(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.H = +n[0], i + n[0].length) : -1; +} -var scheme$q = new Array(3).concat( - "fee6cefdae6be6550d", - "feeddefdbe85fd8d3cd94701", - "feeddefdbe85fd8d3ce6550da63603", - "feeddefdd0a2fdae6bfd8d3ce6550da63603", - "feeddefdd0a2fdae6bfd8d3cf16913d948018c2d04", - "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d948018c2d04", - "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d94801a636037f2704" -).map(colors); +function parseMinutes(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.M = +n[0], i + n[0].length) : -1; +} -var Oranges = ramp(scheme$q); +function parseSeconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.S = +n[0], i + n[0].length) : -1; +} -function cividis(t) { - t = Math.max(0, Math.min(1, t)); - return "rgb(" - + Math.max(0, Math.min(255, Math.round(-4.54 - t * (35.34 - t * (2381.73 - t * (6402.7 - t * (7024.72 - t * 2710.57))))))) + ", " - + Math.max(0, Math.min(255, Math.round(32.49 + t * (170.73 + t * (52.82 - t * (131.46 - t * (176.58 - t * 67.37))))))) + ", " - + Math.max(0, Math.min(255, Math.round(81.24 + t * (442.36 - t * (2482.43 - t * (6167.24 - t * (6614.94 - t * 2475.67))))))) - + ")"; +function parseMilliseconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 3)); + return n ? (d.L = +n[0], i + n[0].length) : -1; } -var cubehelix = d3Interpolate.interpolateCubehelixLong(d3Color.cubehelix(300, 0.5, 0.0), d3Color.cubehelix(-240, 0.5, 1.0)); +function parseMicroseconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 6)); + return n ? (d.L = Math.floor(n[0] / 1000), i + n[0].length) : -1; +} -var warm = d3Interpolate.interpolateCubehelixLong(d3Color.cubehelix(-100, 0.75, 0.35), d3Color.cubehelix(80, 1.50, 0.8)); +function parseLiteralPercent(d, string, i) { + var n = percentRe.exec(string.slice(i, i + 1)); + return n ? i + n[0].length : -1; +} -var cool = d3Interpolate.interpolateCubehelixLong(d3Color.cubehelix(260, 0.75, 0.35), d3Color.cubehelix(80, 1.50, 0.8)); +function parseUnixTimestamp(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.Q = +n[0], i + n[0].length) : -1; +} -var c = d3Color.cubehelix(); +function parseUnixTimestampSeconds(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.s = +n[0], i + n[0].length) : -1; +} -function rainbow(t) { - if (t < 0 || t > 1) t -= Math.floor(t); - var ts = Math.abs(t - 0.5); - c.h = 360 * t - 100; - c.s = 1.5 - 1.5 * ts; - c.l = 0.8 - 0.9 * ts; - return c + ""; +function formatDayOfMonth(d, p) { + return pad(d.getDate(), p, 2); } -var c$1 = d3Color.rgb(), - pi_1_3 = Math.PI / 3, - pi_2_3 = Math.PI * 2 / 3; +function formatHour24(d, p) { + return pad(d.getHours(), p, 2); +} -function sinebow(t) { - var x; - t = (0.5 - t) * Math.PI; - c$1.r = 255 * (x = Math.sin(t)) * x; - c$1.g = 255 * (x = Math.sin(t + pi_1_3)) * x; - c$1.b = 255 * (x = Math.sin(t + pi_2_3)) * x; - return c$1 + ""; +function formatHour12(d, p) { + return pad(d.getHours() % 12 || 12, p, 2); } -function turbo(t) { - t = Math.max(0, Math.min(1, t)); - return "rgb(" - + Math.max(0, Math.min(255, Math.round(34.61 + t * (1172.33 - t * (10793.56 - t * (33300.12 - t * (38394.49 - t * 14825.05))))))) + ", " - + Math.max(0, Math.min(255, Math.round(23.31 + t * (557.33 + t * (1225.33 - t * (3574.96 - t * (1073.77 + t * 707.56))))))) + ", " - + Math.max(0, Math.min(255, Math.round(27.2 + t * (3211.1 - t * (15327.97 - t * (27814 - t * (22569.18 - t * 6838.66))))))) - + ")"; +function formatDayOfYear(d, p) { + return pad(1 + d3Time.timeDay.count(d3Time.timeYear(d), d), p, 3); } -function ramp$1(range) { - var n = range.length; - return function(t) { - return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; - }; +function formatMilliseconds(d, p) { + return pad(d.getMilliseconds(), p, 3); } -var viridis = ramp$1(colors("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")); +function formatMicroseconds(d, p) { + return formatMilliseconds(d, p) + "000"; +} -var magma = ramp$1(colors("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")); +function formatMonthNumber(d, p) { + return pad(d.getMonth() + 1, p, 2); +} -var inferno = ramp$1(colors("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")); +function formatMinutes(d, p) { + return pad(d.getMinutes(), p, 2); +} -var plasma = ramp$1(colors("0d088710078813078916078a19068c1b068d1d068e20068f2206902406912605912805922a05932c05942e05952f059631059733059735049837049938049a3a049a3c049b3e049c3f049c41049d43039e44039e46039f48039f4903a04b03a14c02a14e02a25002a25102a35302a35502a45601a45801a45901a55b01a55c01a65e01a66001a66100a76300a76400a76600a76700a86900a86a00a86c00a86e00a86f00a87100a87201a87401a87501a87701a87801a87a02a87b02a87d03a87e03a88004a88104a78305a78405a78606a68707a68808a68a09a58b0aa58d0ba58e0ca48f0da4910ea3920fa39410a29511a19613a19814a099159f9a169f9c179e9d189d9e199da01a9ca11b9ba21d9aa31e9aa51f99a62098a72197a82296aa2395ab2494ac2694ad2793ae2892b02991b12a90b22b8fb32c8eb42e8db52f8cb6308bb7318ab83289ba3388bb3488bc3587bd3786be3885bf3984c03a83c13b82c23c81c33d80c43e7fc5407ec6417dc7427cc8437bc9447aca457acb4679cc4778cc4977cd4a76ce4b75cf4c74d04d73d14e72d24f71d35171d45270d5536fd5546ed6556dd7566cd8576bd9586ada5a6ada5b69db5c68dc5d67dd5e66de5f65de6164df6263e06363e16462e26561e26660e3685fe4695ee56a5de56b5de66c5ce76e5be76f5ae87059e97158e97257ea7457eb7556eb7655ec7754ed7953ed7a52ee7b51ef7c51ef7e50f07f4ff0804ef1814df1834cf2844bf3854bf3874af48849f48948f58b47f58c46f68d45f68f44f79044f79143f79342f89441f89540f9973ff9983ef99a3efa9b3dfa9c3cfa9e3bfb9f3afba139fba238fca338fca537fca636fca835fca934fdab33fdac33fdae32fdaf31fdb130fdb22ffdb42ffdb52efeb72dfeb82cfeba2cfebb2bfebd2afebe2afec029fdc229fdc328fdc527fdc627fdc827fdca26fdcb26fccd25fcce25fcd025fcd225fbd324fbd524fbd724fad824fada24f9dc24f9dd25f8df25f8e125f7e225f7e425f6e626f6e826f5e926f5eb27f4ed27f3ee27f3f027f2f227f1f426f1f525f0f724f0f921")); +function formatSeconds(d, p) { + return pad(d.getSeconds(), p, 2); +} -exports.interpolateBlues = Blues; -exports.interpolateBrBG = BrBG; -exports.interpolateBuGn = BuGn; -exports.interpolateBuPu = BuPu; -exports.interpolateCividis = cividis; -exports.interpolateCool = cool; -exports.interpolateCubehelixDefault = cubehelix; -exports.interpolateGnBu = GnBu; -exports.interpolateGreens = Greens; -exports.interpolateGreys = Greys; -exports.interpolateInferno = inferno; -exports.interpolateMagma = magma; -exports.interpolateOrRd = OrRd; -exports.interpolateOranges = Oranges; -exports.interpolatePRGn = PRGn; -exports.interpolatePiYG = PiYG; -exports.interpolatePlasma = plasma; -exports.interpolatePuBu = PuBu; -exports.interpolatePuBuGn = PuBuGn; -exports.interpolatePuOr = PuOr; -exports.interpolatePuRd = PuRd; -exports.interpolatePurples = Purples; -exports.interpolateRainbow = rainbow; -exports.interpolateRdBu = RdBu; -exports.interpolateRdGy = RdGy; -exports.interpolateRdPu = RdPu; -exports.interpolateRdYlBu = RdYlBu; -exports.interpolateRdYlGn = RdYlGn; -exports.interpolateReds = Reds; -exports.interpolateSinebow = sinebow; -exports.interpolateSpectral = Spectral; -exports.interpolateTurbo = turbo; -exports.interpolateViridis = viridis; -exports.interpolateWarm = warm; -exports.interpolateYlGn = YlGn; -exports.interpolateYlGnBu = YlGnBu; -exports.interpolateYlOrBr = YlOrBr; -exports.interpolateYlOrRd = YlOrRd; -exports.schemeAccent = Accent; -exports.schemeBlues = scheme$l; -exports.schemeBrBG = scheme; -exports.schemeBuGn = scheme$9; -exports.schemeBuPu = scheme$a; -exports.schemeCategory10 = category10; -exports.schemeDark2 = Dark2; -exports.schemeGnBu = scheme$b; -exports.schemeGreens = scheme$m; -exports.schemeGreys = scheme$n; -exports.schemeOrRd = scheme$c; -exports.schemeOranges = scheme$q; -exports.schemePRGn = scheme$1; -exports.schemePaired = Paired; -exports.schemePastel1 = Pastel1; -exports.schemePastel2 = Pastel2; -exports.schemePiYG = scheme$2; -exports.schemePuBu = scheme$e; -exports.schemePuBuGn = scheme$d; -exports.schemePuOr = scheme$3; -exports.schemePuRd = scheme$f; -exports.schemePurples = scheme$o; -exports.schemeRdBu = scheme$4; -exports.schemeRdGy = scheme$5; -exports.schemeRdPu = scheme$g; -exports.schemeRdYlBu = scheme$6; -exports.schemeRdYlGn = scheme$7; -exports.schemeReds = scheme$p; -exports.schemeSet1 = Set1; -exports.schemeSet2 = Set2; -exports.schemeSet3 = Set3; -exports.schemeSpectral = scheme$8; -exports.schemeTableau10 = Tableau10; -exports.schemeYlGn = scheme$i; -exports.schemeYlGnBu = scheme$h; -exports.schemeYlOrBr = scheme$j; -exports.schemeYlOrRd = scheme$k; +function formatWeekdayNumberMonday(d) { + var day = d.getDay(); + return day === 0 ? 7 : day; +} -Object.defineProperty(exports, '__esModule', { value: true }); +function formatWeekNumberSunday(d, p) { + return pad(d3Time.timeSunday.count(d3Time.timeYear(d) - 1, d), p, 2); +} -})); -}); +function dISO(d) { + var day = d.getDay(); + return (day >= 4 || day === 0) ? d3Time.timeThursday(d) : d3Time.timeThursday.ceil(d); +} -var d3Shape = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-shape/ v2.1.0 Copyright 2021 Mike Bostock -(function (global, factory) { -factory(exports, d3Path) ; -}(commonjsGlobal, (function (exports, d3Path) { -function constant(x) { - return function constant() { - return x; - }; +function formatWeekNumberISO(d, p) { + d = dISO(d); + return pad(d3Time.timeThursday.count(d3Time.timeYear(d), d) + (d3Time.timeYear(d).getDay() === 4), p, 2); } -var abs = Math.abs; -var atan2 = Math.atan2; -var cos = Math.cos; -var max = Math.max; -var min = Math.min; -var sin = Math.sin; -var sqrt = Math.sqrt; +function formatWeekdayNumberSunday(d) { + return d.getDay(); +} -var epsilon = 1e-12; -var pi = Math.PI; -var halfPi = pi / 2; -var tau = 2 * pi; +function formatWeekNumberMonday(d, p) { + return pad(d3Time.timeMonday.count(d3Time.timeYear(d) - 1, d), p, 2); +} -function acos(x) { - return x > 1 ? 0 : x < -1 ? pi : Math.acos(x); +function formatYear(d, p) { + return pad(d.getFullYear() % 100, p, 2); } -function asin(x) { - return x >= 1 ? halfPi : x <= -1 ? -halfPi : Math.asin(x); +function formatYearISO(d, p) { + d = dISO(d); + return pad(d.getFullYear() % 100, p, 2); } -function arcInnerRadius(d) { - return d.innerRadius; +function formatFullYear(d, p) { + return pad(d.getFullYear() % 10000, p, 4); } -function arcOuterRadius(d) { - return d.outerRadius; +function formatFullYearISO(d, p) { + var day = d.getDay(); + d = (day >= 4 || day === 0) ? d3Time.timeThursday(d) : d3Time.timeThursday.ceil(d); + return pad(d.getFullYear() % 10000, p, 4); } -function arcStartAngle(d) { - return d.startAngle; +function formatZone(d) { + var z = d.getTimezoneOffset(); + return (z > 0 ? "-" : (z *= -1, "+")) + + pad(z / 60 | 0, "0", 2) + + pad(z % 60, "0", 2); } -function arcEndAngle(d) { - return d.endAngle; +function formatUTCDayOfMonth(d, p) { + return pad(d.getUTCDate(), p, 2); } -function arcPadAngle(d) { - return d && d.padAngle; // Note: optional! +function formatUTCHour24(d, p) { + return pad(d.getUTCHours(), p, 2); } -function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { - var x10 = x1 - x0, y10 = y1 - y0, - x32 = x3 - x2, y32 = y3 - y2, - t = y32 * x10 - x32 * y10; - if (t * t < epsilon) return; - t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / t; - return [x0 + t * x10, y0 + t * y10]; +function formatUTCHour12(d, p) { + return pad(d.getUTCHours() % 12 || 12, p, 2); } -// Compute perpendicular offset line of length rc. -// http://mathworld.wolfram.com/Circle-LineIntersection.html -function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { - var x01 = x0 - x1, - y01 = y0 - y1, - lo = (cw ? rc : -rc) / sqrt(x01 * x01 + y01 * y01), - ox = lo * y01, - oy = -lo * x01, - x11 = x0 + ox, - y11 = y0 + oy, - x10 = x1 + ox, - y10 = y1 + oy, - x00 = (x11 + x10) / 2, - y00 = (y11 + y10) / 2, - dx = x10 - x11, - dy = y10 - y11, - d2 = dx * dx + dy * dy, - r = r1 - rc, - D = x11 * y10 - x10 * y11, - d = (dy < 0 ? -1 : 1) * sqrt(max(0, r * r * d2 - D * D)), - cx0 = (D * dy - dx * d) / d2, - cy0 = (-D * dx - dy * d) / d2, - cx1 = (D * dy + dx * d) / d2, - cy1 = (-D * dx + dy * d) / d2, - dx0 = cx0 - x00, - dy0 = cy0 - y00, - dx1 = cx1 - x00, - dy1 = cy1 - y00; +function formatUTCDayOfYear(d, p) { + return pad(1 + d3Time.utcDay.count(d3Time.utcYear(d), d), p, 3); +} - // Pick the closer of the two intersection points. - // TODO Is there a faster way to determine which intersection to use? - if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; +function formatUTCMilliseconds(d, p) { + return pad(d.getUTCMilliseconds(), p, 3); +} - return { - cx: cx0, - cy: cy0, - x01: -ox, - y01: -oy, - x11: cx0 * (r1 / r - 1), - y11: cy0 * (r1 / r - 1) - }; +function formatUTCMicroseconds(d, p) { + return formatUTCMilliseconds(d, p) + "000"; } -function arc() { - var innerRadius = arcInnerRadius, - outerRadius = arcOuterRadius, - cornerRadius = constant(0), - padRadius = null, - startAngle = arcStartAngle, - endAngle = arcEndAngle, - padAngle = arcPadAngle, - context = null; +function formatUTCMonthNumber(d, p) { + return pad(d.getUTCMonth() + 1, p, 2); +} - function arc() { - var buffer, - r, - r0 = +innerRadius.apply(this, arguments), - r1 = +outerRadius.apply(this, arguments), - a0 = startAngle.apply(this, arguments) - halfPi, - a1 = endAngle.apply(this, arguments) - halfPi, - da = abs(a1 - a0), - cw = a1 > a0; +function formatUTCMinutes(d, p) { + return pad(d.getUTCMinutes(), p, 2); +} - if (!context) context = buffer = d3Path.path(); +function formatUTCSeconds(d, p) { + return pad(d.getUTCSeconds(), p, 2); +} - // Ensure that the outer radius is always larger than the inner radius. - if (r1 < r0) r = r1, r1 = r0, r0 = r; +function formatUTCWeekdayNumberMonday(d) { + var dow = d.getUTCDay(); + return dow === 0 ? 7 : dow; +} - // Is it a point? - if (!(r1 > epsilon)) context.moveTo(0, 0); +function formatUTCWeekNumberSunday(d, p) { + return pad(d3Time.utcSunday.count(d3Time.utcYear(d) - 1, d), p, 2); +} - // Or is it a circle or annulus? - else if (da > tau - epsilon) { - context.moveTo(r1 * cos(a0), r1 * sin(a0)); - context.arc(0, 0, r1, a0, a1, !cw); - if (r0 > epsilon) { - context.moveTo(r0 * cos(a1), r0 * sin(a1)); - context.arc(0, 0, r0, a1, a0, cw); - } - } +function UTCdISO(d) { + var day = d.getUTCDay(); + return (day >= 4 || day === 0) ? d3Time.utcThursday(d) : d3Time.utcThursday.ceil(d); +} - // Or is it a circular or annular sector? - else { - var a01 = a0, - a11 = a1, - a00 = a0, - a10 = a1, - da0 = da, - da1 = da, - ap = padAngle.apply(this, arguments) / 2, - rp = (ap > epsilon) && (padRadius ? +padRadius.apply(this, arguments) : sqrt(r0 * r0 + r1 * r1)), - rc = min(abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), - rc0 = rc, - rc1 = rc, - t0, - t1; +function formatUTCWeekNumberISO(d, p) { + d = UTCdISO(d); + return pad(d3Time.utcThursday.count(d3Time.utcYear(d), d) + (d3Time.utcYear(d).getUTCDay() === 4), p, 2); +} - // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. - if (rp > epsilon) { - var p0 = asin(rp / r0 * sin(ap)), - p1 = asin(rp / r1 * sin(ap)); - if ((da0 -= p0 * 2) > epsilon) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; - else da0 = 0, a00 = a10 = (a0 + a1) / 2; - if ((da1 -= p1 * 2) > epsilon) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; - else da1 = 0, a01 = a11 = (a0 + a1) / 2; - } +function formatUTCWeekdayNumberSunday(d) { + return d.getUTCDay(); +} - var x01 = r1 * cos(a01), - y01 = r1 * sin(a01), - x10 = r0 * cos(a10), - y10 = r0 * sin(a10); +function formatUTCWeekNumberMonday(d, p) { + return pad(d3Time.utcMonday.count(d3Time.utcYear(d) - 1, d), p, 2); +} - // Apply rounded corners? - if (rc > epsilon) { - var x11 = r1 * cos(a11), - y11 = r1 * sin(a11), - x00 = r0 * cos(a00), - y00 = r0 * sin(a00), - oc; +function formatUTCYear(d, p) { + return pad(d.getUTCFullYear() % 100, p, 2); +} - // Restrict the corner radius according to the sector angle. - if (da < pi && (oc = intersect(x01, y01, x00, y00, x11, y11, x10, y10))) { - var ax = x01 - oc[0], - ay = y01 - oc[1], - bx = x11 - oc[0], - by = y11 - oc[1], - kc = 1 / sin(acos((ax * bx + ay * by) / (sqrt(ax * ax + ay * ay) * sqrt(bx * bx + by * by))) / 2), - lc = sqrt(oc[0] * oc[0] + oc[1] * oc[1]); - rc0 = min(rc, (r0 - lc) / (kc - 1)); - rc1 = min(rc, (r1 - lc) / (kc + 1)); - } - } +function formatUTCYearISO(d, p) { + d = UTCdISO(d); + return pad(d.getUTCFullYear() % 100, p, 2); +} - // Is the sector collapsed to a line? - if (!(da1 > epsilon)) context.moveTo(x01, y01); +function formatUTCFullYear(d, p) { + return pad(d.getUTCFullYear() % 10000, p, 4); +} - // Does the sector’s outer ring have rounded corners? - else if (rc1 > epsilon) { - t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); - t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); +function formatUTCFullYearISO(d, p) { + var day = d.getUTCDay(); + d = (day >= 4 || day === 0) ? d3Time.utcThursday(d) : d3Time.utcThursday.ceil(d); + return pad(d.getUTCFullYear() % 10000, p, 4); +} - context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); +function formatUTCZone() { + return "+0000"; +} - // Have the corners merged? - if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, atan2(t0.y01, t0.x01), atan2(t1.y01, t1.x01), !cw); +function formatLiteralPercent() { + return "%"; +} - // Otherwise, draw the two corners and the ring. - else { - context.arc(t0.cx, t0.cy, rc1, atan2(t0.y01, t0.x01), atan2(t0.y11, t0.x11), !cw); - context.arc(0, 0, r1, atan2(t0.cy + t0.y11, t0.cx + t0.x11), atan2(t1.cy + t1.y11, t1.cx + t1.x11), !cw); - context.arc(t1.cx, t1.cy, rc1, atan2(t1.y11, t1.x11), atan2(t1.y01, t1.x01), !cw); - } - } +function formatUnixTimestamp(d) { + return +d; +} - // Or is the outer ring just a circular arc? - else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); +function formatUnixTimestampSeconds(d) { + return Math.floor(+d / 1000); +} - // Is there no inner ring, and it’s a circular sector? - // Or perhaps it’s an annular sector collapsed due to padding? - if (!(r0 > epsilon) || !(da0 > epsilon)) context.lineTo(x10, y10); +var locale; - // Does the sector’s inner ring (or point) have rounded corners? - else if (rc0 > epsilon) { - t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); - t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); +defaultLocale({ + dateTime: "%x, %X", + date: "%-m/%-d/%Y", + time: "%-I:%M:%S %p", + periods: ["AM", "PM"], + days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], + shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], + months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], + shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] +}); - context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); +function defaultLocale(definition) { + locale = formatLocale(definition); + exports.timeFormat = locale.format; + exports.timeParse = locale.parse; + exports.utcFormat = locale.utcFormat; + exports.utcParse = locale.utcParse; + return locale; +} - // Have the corners merged? - if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, atan2(t0.y01, t0.x01), atan2(t1.y01, t1.x01), !cw); +var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; - // Otherwise, draw the two corners and the ring. - else { - context.arc(t0.cx, t0.cy, rc0, atan2(t0.y01, t0.x01), atan2(t0.y11, t0.x11), !cw); - context.arc(0, 0, r0, atan2(t0.cy + t0.y11, t0.cx + t0.x11), atan2(t1.cy + t1.y11, t1.cx + t1.x11), cw); - context.arc(t1.cx, t1.cy, rc0, atan2(t1.y11, t1.x11), atan2(t1.y01, t1.x01), !cw); - } - } +function formatIsoNative(date) { + return date.toISOString(); +} - // Or is the inner ring just a circular arc? - else context.arc(0, 0, r0, a10, a00, cw); - } +var formatIso = Date.prototype.toISOString + ? formatIsoNative + : exports.utcFormat(isoSpecifier); - context.closePath(); +function parseIsoNative(string) { + var date = new Date(string); + return isNaN(date) ? null : date; +} - if (buffer) return context = null, buffer + "" || null; +var parseIso = +new Date("2000-01-01T00:00:00.000Z") + ? parseIsoNative + : exports.utcParse(isoSpecifier); + +exports.isoFormat = formatIso; +exports.isoParse = parseIso; +exports.timeFormatDefaultLocale = defaultLocale; +exports.timeFormatLocale = formatLocale; + +Object.defineProperty(exports, '__esModule', { value: true }); + +})); +}); + +var d3Scale = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-scale/ v3.3.0 Copyright 2021 Mike Bostock +(function (global, factory) { +factory(exports, d3Array, d3Interpolate, d3Format, d3Time, d3TimeFormat) ; +}(commonjsGlobal, (function (exports, d3Array, d3Interpolate, d3Format, d3Time, d3TimeFormat) { +function initRange(domain, range) { + switch (arguments.length) { + case 0: break; + case 1: this.range(domain); break; + default: this.range(range).domain(domain); break; } + return this; +} - arc.centroid = function() { - var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, - a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi / 2; - return [cos(a) * r, sin(a) * r]; - }; +function initInterpolator(domain, interpolator) { + switch (arguments.length) { + case 0: break; + case 1: { + if (typeof domain === "function") this.interpolator(domain); + else this.range(domain); + break; + } + default: { + this.domain(domain); + if (typeof interpolator === "function") this.interpolator(interpolator); + else this.range(interpolator); + break; + } + } + return this; +} - arc.innerRadius = function(_) { - return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant(+_), arc) : innerRadius; - }; +const implicit = Symbol("implicit"); - arc.outerRadius = function(_) { - return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant(+_), arc) : outerRadius; - }; +function ordinal() { + var index = new Map(), + domain = [], + range = [], + unknown = implicit; - arc.cornerRadius = function(_) { - return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant(+_), arc) : cornerRadius; - }; + function scale(d) { + var key = d + "", i = index.get(key); + if (!i) { + if (unknown !== implicit) return unknown; + index.set(key, i = domain.push(d)); + } + return range[(i - 1) % range.length]; + } - arc.padRadius = function(_) { - return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant(+_), arc) : padRadius; + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = [], index = new Map(); + for (const value of _) { + const key = value + ""; + if (index.has(key)) continue; + index.set(key, domain.push(value)); + } + return scale; }; - arc.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant(+_), arc) : startAngle; + scale.range = function(_) { + return arguments.length ? (range = Array.from(_), scale) : range.slice(); }; - arc.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant(+_), arc) : endAngle; + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; }; - arc.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant(+_), arc) : padAngle; + scale.copy = function() { + return ordinal(domain, range).unknown(unknown); }; - arc.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), arc) : context; - }; - - return arc; -} - -var slice = Array.prototype.slice; - -function array(x) { - return typeof x === "object" && "length" in x - ? x // Array, TypedArray, NodeList, array-like - : Array.from(x); // Map, Set, iterable, string, or anything else -} - -function Linear(context) { - this._context = context; -} - -Linear.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed - default: this._context.lineTo(x, y); break; - } - } -}; - -function curveLinear(context) { - return new Linear(context); -} - -function x(p) { - return p[0]; -} + initRange.apply(scale, arguments); -function y(p) { - return p[1]; + return scale; } -function line(x$1, y$1) { - var defined = constant(true), - context = null, - curve = curveLinear, - output = null; - - x$1 = typeof x$1 === "function" ? x$1 : (x$1 === undefined) ? x : constant(x$1); - y$1 = typeof y$1 === "function" ? y$1 : (y$1 === undefined) ? y : constant(y$1); - - function line(data) { - var i, - n = (data = array(data)).length, - d, - defined0 = false, - buffer; - - if (context == null) output = curve(buffer = d3Path.path()); +function band() { + var scale = ordinal().unknown(undefined), + domain = scale.domain, + ordinalRange = scale.range, + r0 = 0, + r1 = 1, + step, + bandwidth, + round = false, + paddingInner = 0, + paddingOuter = 0, + align = 0.5; - for (i = 0; i <= n; ++i) { - if (!(i < n && defined(d = data[i], i, data)) === defined0) { - if (defined0 = !defined0) output.lineStart(); - else output.lineEnd(); - } - if (defined0) output.point(+x$1(d, i, data), +y$1(d, i, data)); - } + delete scale.unknown; - if (buffer) return output = null, buffer + "" || null; + function rescale() { + var n = domain().length, + reverse = r1 < r0, + start = reverse ? r1 : r0, + stop = reverse ? r0 : r1; + step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); + if (round) step = Math.floor(step); + start += (stop - start - step * (n - paddingInner)) * align; + bandwidth = step * (1 - paddingInner); + if (round) start = Math.round(start), bandwidth = Math.round(bandwidth); + var values = d3Array.range(n).map(function(i) { return start + step * i; }); + return ordinalRange(reverse ? values.reverse() : values); } - line.x = function(_) { - return arguments.length ? (x$1 = typeof _ === "function" ? _ : constant(+_), line) : x$1; + scale.domain = function(_) { + return arguments.length ? (domain(_), rescale()) : domain(); }; - line.y = function(_) { - return arguments.length ? (y$1 = typeof _ === "function" ? _ : constant(+_), line) : y$1; + scale.range = function(_) { + return arguments.length ? ([r0, r1] = _, r0 = +r0, r1 = +r1, rescale()) : [r0, r1]; }; - line.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant(!!_), line) : defined; + scale.rangeRound = function(_) { + return [r0, r1] = _, r0 = +r0, r1 = +r1, round = true, rescale(); }; - line.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; + scale.bandwidth = function() { + return bandwidth; }; - line.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; + scale.step = function() { + return step; }; - return line; -} - -function area(x0, y0, y1) { - var x1 = null, - defined = constant(true), - context = null, - curve = curveLinear, - output = null; - - x0 = typeof x0 === "function" ? x0 : (x0 === undefined) ? x : constant(+x0); - y0 = typeof y0 === "function" ? y0 : (y0 === undefined) ? constant(0) : constant(+y0); - y1 = typeof y1 === "function" ? y1 : (y1 === undefined) ? y : constant(+y1); - - function area(data) { - var i, - j, - k, - n = (data = array(data)).length, - d, - defined0 = false, - buffer, - x0z = new Array(n), - y0z = new Array(n); - - if (context == null) output = curve(buffer = d3Path.path()); - - for (i = 0; i <= n; ++i) { - if (!(i < n && defined(d = data[i], i, data)) === defined0) { - if (defined0 = !defined0) { - j = i; - output.areaStart(); - output.lineStart(); - } else { - output.lineEnd(); - output.lineStart(); - for (k = i - 1; k >= j; --k) { - output.point(x0z[k], y0z[k]); - } - output.lineEnd(); - output.areaEnd(); - } - } - if (defined0) { - x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); - output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); - } - } - - if (buffer) return output = null, buffer + "" || null; - } - - function arealine() { - return line().defined(defined).curve(curve).context(context); - } - - area.x = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant(+_), x1 = null, area) : x0; + scale.round = function(_) { + return arguments.length ? (round = !!_, rescale()) : round; }; - area.x0 = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant(+_), area) : x0; + scale.padding = function(_) { + return arguments.length ? (paddingInner = Math.min(1, paddingOuter = +_), rescale()) : paddingInner; }; - area.x1 = function(_) { - return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant(+_), area) : x1; + scale.paddingInner = function(_) { + return arguments.length ? (paddingInner = Math.min(1, _), rescale()) : paddingInner; }; - area.y = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant(+_), y1 = null, area) : y0; + scale.paddingOuter = function(_) { + return arguments.length ? (paddingOuter = +_, rescale()) : paddingOuter; }; - area.y0 = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant(+_), area) : y0; + scale.align = function(_) { + return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align; }; - area.y1 = function(_) { - return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant(+_), area) : y1; + scale.copy = function() { + return band(domain(), [r0, r1]) + .round(round) + .paddingInner(paddingInner) + .paddingOuter(paddingOuter) + .align(align); }; - area.lineX0 = - area.lineY0 = function() { - return arealine().x(x0).y(y0); - }; + return initRange.apply(rescale(), arguments); +} - area.lineY1 = function() { - return arealine().x(x0).y(y1); - }; +function pointish(scale) { + var copy = scale.copy; - area.lineX1 = function() { - return arealine().x(x1).y(y0); - }; + scale.padding = scale.paddingOuter; + delete scale.paddingInner; + delete scale.paddingOuter; - area.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant(!!_), area) : defined; + scale.copy = function() { + return pointish(copy()); }; - area.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; - }; + return scale; +} - area.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; - }; +function point() { + return pointish(band.apply(null, arguments).paddingInner(1)); +} - return area; +function constants(x) { + return function() { + return x; + }; } -function descending$1(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; +function number$1(x) { + return +x; } -function identity(d) { - return d; +var unit = [0, 1]; + +function identity$1(x) { + return x; } -function pie() { - var value = identity, - sortValues = descending$1, - sort = null, - startAngle = constant(0), - endAngle = constant(tau), - padAngle = constant(0); +function normalize(a, b) { + return (b -= (a = +a)) + ? function(x) { return (x - a) / b; } + : constants(isNaN(b) ? NaN : 0.5); +} - function pie(data) { - var i, - n = (data = array(data)).length, - j, - k, - sum = 0, - index = new Array(n), - arcs = new Array(n), - a0 = +startAngle.apply(this, arguments), - da = Math.min(tau, Math.max(-tau, endAngle.apply(this, arguments) - a0)), - a1, - p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), - pa = p * (da < 0 ? -1 : 1), - v; +function clamper(a, b) { + var t; + if (a > b) t = a, a = b, b = t; + return function(x) { return Math.max(a, Math.min(b, x)); }; +} - for (i = 0; i < n; ++i) { - if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { - sum += v; - } - } +// normalize(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. +// interpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding range value x in [a,b]. +function bimap(domain, range, interpolate) { + var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; + if (d1 < d0) d0 = normalize(d1, d0), r0 = interpolate(r1, r0); + else d0 = normalize(d0, d1), r0 = interpolate(r0, r1); + return function(x) { return r0(d0(x)); }; +} - // Optionally sort the arcs by previously-computed values or by data. - if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); - else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); +function polymap(domain, range, interpolate) { + var j = Math.min(domain.length, range.length) - 1, + d = new Array(j), + r = new Array(j), + i = -1; - // Compute the arcs! They are stored in the original data's order. - for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { - j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { - data: data[j], - index: i, - value: v, - startAngle: a0, - endAngle: a1, - padAngle: p - }; - } + // Reverse descending domains. + if (domain[j] < domain[0]) { + domain = domain.slice().reverse(); + range = range.slice().reverse(); + } - return arcs; + while (++i < j) { + d[i] = normalize(domain[i], domain[i + 1]); + r[i] = interpolate(range[i], range[i + 1]); } - pie.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant(+_), pie) : value; + return function(x) { + var i = d3Array.bisect(domain, x, 1, j) - 1; + return r[i](d[i](x)); }; +} - pie.sortValues = function(_) { - return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; +function copy$1(source, target) { + return target + .domain(source.domain()) + .range(source.range()) + .interpolate(source.interpolate()) + .clamp(source.clamp()) + .unknown(source.unknown()); +} + +function transformer$2() { + var domain = unit, + range = unit, + interpolate = d3Interpolate.interpolate, + transform, + untransform, + unknown, + clamp = identity$1, + piecewise, + output, + input; + + function rescale() { + var n = Math.min(domain.length, range.length); + if (clamp !== identity$1) clamp = clamper(domain[0], domain[n - 1]); + piecewise = n > 2 ? polymap : bimap; + output = input = null; + return scale; + } + + function scale(x) { + return x == null || isNaN(x = +x) ? unknown : (output || (output = piecewise(domain.map(transform), range, interpolate)))(transform(clamp(x))); + } + + scale.invert = function(y) { + return clamp(untransform((input || (input = piecewise(range, domain.map(transform), d3Interpolate.interpolateNumber)))(y))); }; - pie.sort = function(_) { - return arguments.length ? (sort = _, sortValues = null, pie) : sort; + scale.domain = function(_) { + return arguments.length ? (domain = Array.from(_, number$1), rescale()) : domain.slice(); }; - pie.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant(+_), pie) : startAngle; + scale.range = function(_) { + return arguments.length ? (range = Array.from(_), rescale()) : range.slice(); }; - pie.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant(+_), pie) : endAngle; + scale.rangeRound = function(_) { + return range = Array.from(_), interpolate = d3Interpolate.interpolateRound, rescale(); }; - pie.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant(+_), pie) : padAngle; + scale.clamp = function(_) { + return arguments.length ? (clamp = _ ? true : identity$1, rescale()) : clamp !== identity$1; }; - return pie; -} + scale.interpolate = function(_) { + return arguments.length ? (interpolate = _, rescale()) : interpolate; + }; -var curveRadialLinear = curveRadial$1(curveLinear); + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; -function Radial(curve) { - this._curve = curve; + return function(t, u) { + transform = t, untransform = u; + return rescale(); + }; } -Radial.prototype = { - areaStart: function() { - this._curve.areaStart(); - }, - areaEnd: function() { - this._curve.areaEnd(); - }, - lineStart: function() { - this._curve.lineStart(); - }, - lineEnd: function() { - this._curve.lineEnd(); - }, - point: function(a, r) { - this._curve.point(r * Math.sin(a), r * -Math.cos(a)); +function continuous() { + return transformer$2()(identity$1, identity$1); +} + +function tickFormat(start, stop, count, specifier) { + var step = d3Array.tickStep(start, stop, count), + precision; + specifier = d3Format.formatSpecifier(specifier == null ? ",f" : specifier); + switch (specifier.type) { + case "s": { + var value = Math.max(Math.abs(start), Math.abs(stop)); + if (specifier.precision == null && !isNaN(precision = d3Format.precisionPrefix(step, value))) specifier.precision = precision; + return d3Format.formatPrefix(specifier, value); + } + case "": + case "e": + case "g": + case "p": + case "r": { + if (specifier.precision == null && !isNaN(precision = d3Format.precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e"); + break; + } + case "f": + case "%": { + if (specifier.precision == null && !isNaN(precision = d3Format.precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2; + break; + } } -}; + return d3Format.format(specifier); +} -function curveRadial$1(curve) { +function linearish(scale) { + var domain = scale.domain; - function radial(context) { - return new Radial(curve(context)); - } + scale.ticks = function(count) { + var d = domain(); + return d3Array.ticks(d[0], d[d.length - 1], count == null ? 10 : count); + }; - radial._curve = curve; + scale.tickFormat = function(count, specifier) { + var d = domain(); + return tickFormat(d[0], d[d.length - 1], count == null ? 10 : count, specifier); + }; - return radial; -} + scale.nice = function(count) { + if (count == null) count = 10; -function lineRadial(l) { - var c = l.curve; + var d = domain(); + var i0 = 0; + var i1 = d.length - 1; + var start = d[i0]; + var stop = d[i1]; + var prestep; + var step; + var maxIter = 10; - l.angle = l.x, delete l.x; - l.radius = l.y, delete l.y; + if (stop < start) { + step = start, start = stop, stop = step; + step = i0, i0 = i1, i1 = step; + } + + while (maxIter-- > 0) { + step = d3Array.tickIncrement(start, stop, count); + if (step === prestep) { + d[i0] = start; + d[i1] = stop; + return domain(d); + } else if (step > 0) { + start = Math.floor(start / step) * step; + stop = Math.ceil(stop / step) * step; + } else if (step < 0) { + start = Math.ceil(start * step) / step; + stop = Math.floor(stop * step) / step; + } else { + break; + } + prestep = step; + } - l.curve = function(_) { - return arguments.length ? c(curveRadial$1(_)) : c()._curve; + return scale; }; - return l; + return scale; } -function lineRadial$1() { - return lineRadial(line().curve(curveRadialLinear)); -} +function linear() { + var scale = continuous(); -function areaRadial() { - var a = area().curve(curveRadialLinear), - c = a.curve, - x0 = a.lineX0, - x1 = a.lineX1, - y0 = a.lineY0, - y1 = a.lineY1; - - a.angle = a.x, delete a.x; - a.startAngle = a.x0, delete a.x0; - a.endAngle = a.x1, delete a.x1; - a.radius = a.y, delete a.y; - a.innerRadius = a.y0, delete a.y0; - a.outerRadius = a.y1, delete a.y1; - a.lineStartAngle = function() { return lineRadial(x0()); }, delete a.lineX0; - a.lineEndAngle = function() { return lineRadial(x1()); }, delete a.lineX1; - a.lineInnerRadius = function() { return lineRadial(y0()); }, delete a.lineY0; - a.lineOuterRadius = function() { return lineRadial(y1()); }, delete a.lineY1; - - a.curve = function(_) { - return arguments.length ? c(curveRadial$1(_)) : c()._curve; + scale.copy = function() { + return copy$1(scale, linear()); }; - return a; -} - -function pointRadial(x, y) { - return [(y = +y) * Math.cos(x -= Math.PI / 2), y * Math.sin(x)]; -} - -function linkSource(d) { - return d.source; -} + initRange.apply(scale, arguments); -function linkTarget(d) { - return d.target; + return linearish(scale); } -function link(curve) { - var source = linkSource, - target = linkTarget, - x$1 = x, - y$1 = y, - context = null; +function identity(domain) { + var unknown; - function link() { - var buffer, argv = slice.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); - if (!context) context = buffer = d3Path.path(); - curve(context, +x$1.apply(this, (argv[0] = s, argv)), +y$1.apply(this, argv), +x$1.apply(this, (argv[0] = t, argv)), +y$1.apply(this, argv)); - if (buffer) return context = null, buffer + "" || null; + function scale(x) { + return x == null || isNaN(x = +x) ? unknown : x; } - link.source = function(_) { - return arguments.length ? (source = _, link) : source; - }; + scale.invert = scale; - link.target = function(_) { - return arguments.length ? (target = _, link) : target; + scale.domain = scale.range = function(_) { + return arguments.length ? (domain = Array.from(_, number$1), scale) : domain.slice(); }; - link.x = function(_) { - return arguments.length ? (x$1 = typeof _ === "function" ? _ : constant(+_), link) : x$1; + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; }; - link.y = function(_) { - return arguments.length ? (y$1 = typeof _ === "function" ? _ : constant(+_), link) : y$1; + scale.copy = function() { + return identity(domain).unknown(unknown); }; - link.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), link) : context; - }; + domain = arguments.length ? Array.from(domain, number$1) : [0, 1]; - return link; + return linearish(scale); } -function curveHorizontal(context, x0, y0, x1, y1) { - context.moveTo(x0, y0); - context.bezierCurveTo(x0 = (x0 + x1) / 2, y0, x0, y1, x1, y1); -} +function nice(domain, interval) { + domain = domain.slice(); -function curveVertical(context, x0, y0, x1, y1) { - context.moveTo(x0, y0); - context.bezierCurveTo(x0, y0 = (y0 + y1) / 2, x1, y0, x1, y1); + var i0 = 0, + i1 = domain.length - 1, + x0 = domain[i0], + x1 = domain[i1], + t; + + if (x1 < x0) { + t = i0, i0 = i1, i1 = t; + t = x0, x0 = x1, x1 = t; + } + + domain[i0] = interval.floor(x0); + domain[i1] = interval.ceil(x1); + return domain; } -function curveRadial(context, x0, y0, x1, y1) { - var p0 = pointRadial(x0, y0), - p1 = pointRadial(x0, y0 = (y0 + y1) / 2), - p2 = pointRadial(x1, y0), - p3 = pointRadial(x1, y1); - context.moveTo(p0[0], p0[1]); - context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]); +function transformLog(x) { + return Math.log(x); } -function linkHorizontal() { - return link(curveHorizontal); +function transformExp(x) { + return Math.exp(x); } -function linkVertical() { - return link(curveVertical); +function transformLogn(x) { + return -Math.log(-x); } -function linkRadial() { - var l = link(curveRadial); - l.angle = l.x, delete l.x; - l.radius = l.y, delete l.y; - return l; +function transformExpn(x) { + return -Math.exp(-x); } -var circle = { - draw: function(context, size) { - var r = Math.sqrt(size / pi); - context.moveTo(r, 0); - context.arc(0, 0, r, 0, tau); - } -}; +function pow10(x) { + return isFinite(x) ? +("1e" + x) : x < 0 ? 0 : x; +} -var cross = { - draw: function(context, size) { - var r = Math.sqrt(size / 5) / 2; - context.moveTo(-3 * r, -r); - context.lineTo(-r, -r); - context.lineTo(-r, -3 * r); - context.lineTo(r, -3 * r); - context.lineTo(r, -r); - context.lineTo(3 * r, -r); - context.lineTo(3 * r, r); - context.lineTo(r, r); - context.lineTo(r, 3 * r); - context.lineTo(-r, 3 * r); - context.lineTo(-r, r); - context.lineTo(-3 * r, r); - context.closePath(); - } -}; +function powp(base) { + return base === 10 ? pow10 + : base === Math.E ? Math.exp + : function(x) { return Math.pow(base, x); }; +} -var tan30 = Math.sqrt(1 / 3), - tan30_2 = tan30 * 2; +function logp(base) { + return base === Math.E ? Math.log + : base === 10 && Math.log10 + || base === 2 && Math.log2 + || (base = Math.log(base), function(x) { return Math.log(x) / base; }); +} -var diamond = { - draw: function(context, size) { - var y = Math.sqrt(size / tan30_2), - x = y * tan30; - context.moveTo(0, -y); - context.lineTo(x, 0); - context.lineTo(0, y); - context.lineTo(-x, 0); - context.closePath(); - } -}; +function reflect(f) { + return function(x) { + return -f(-x); + }; +} -var ka = 0.89081309152928522810, - kr = Math.sin(pi / 10) / Math.sin(7 * pi / 10), - kx = Math.sin(tau / 10) * kr, - ky = -Math.cos(tau / 10) * kr; +function loggish(transform) { + var scale = transform(transformLog, transformExp), + domain = scale.domain, + base = 10, + logs, + pows; -var star = { - draw: function(context, size) { - var r = Math.sqrt(size * ka), - x = kx * r, - y = ky * r; - context.moveTo(0, -r); - context.lineTo(x, y); - for (var i = 1; i < 5; ++i) { - var a = tau * i / 5, - c = Math.cos(a), - s = Math.sin(a); - context.lineTo(s * r, -c * r); - context.lineTo(c * x - s * y, s * x + c * y); + function rescale() { + logs = logp(base), pows = powp(base); + if (domain()[0] < 0) { + logs = reflect(logs), pows = reflect(pows); + transform(transformLogn, transformExpn); + } else { + transform(transformLog, transformExp); } - context.closePath(); + return scale; } -}; -var square = { - draw: function(context, size) { - var w = Math.sqrt(size), - x = -w / 2; - context.rect(x, x, w, w); - } -}; + scale.base = function(_) { + return arguments.length ? (base = +_, rescale()) : base; + }; -var sqrt3 = Math.sqrt(3); + scale.domain = function(_) { + return arguments.length ? (domain(_), rescale()) : domain(); + }; -var triangle = { - draw: function(context, size) { - var y = -Math.sqrt(size / (sqrt3 * 3)); - context.moveTo(0, y * 2); - context.lineTo(-sqrt3 * y, -y); - context.lineTo(sqrt3 * y, -y); - context.closePath(); - } -}; + scale.ticks = function(count) { + var d = domain(), + u = d[0], + v = d[d.length - 1], + r; -var c = -0.5, - s = Math.sqrt(3) / 2, - k = 1 / Math.sqrt(12), - a = (k / 2 + 1) * 3; + if (r = v < u) i = u, u = v, v = i; -var wye = { - draw: function(context, size) { - var r = Math.sqrt(size / a), - x0 = r / 2, - y0 = r * k, - x1 = x0, - y1 = r * k + r, - x2 = -x1, - y2 = y1; - context.moveTo(x0, y0); - context.lineTo(x1, y1); - context.lineTo(x2, y2); - context.lineTo(c * x0 - s * y0, s * x0 + c * y0); - context.lineTo(c * x1 - s * y1, s * x1 + c * y1); - context.lineTo(c * x2 - s * y2, s * x2 + c * y2); - context.lineTo(c * x0 + s * y0, c * y0 - s * x0); - context.lineTo(c * x1 + s * y1, c * y1 - s * x1); - context.lineTo(c * x2 + s * y2, c * y2 - s * x2); - context.closePath(); - } -}; + var i = logs(u), + j = logs(v), + p, + k, + t, + n = count == null ? 10 : +count, + z = []; -var symbols = [ - circle, - cross, - diamond, - square, - star, - triangle, - wye -]; + if (!(base % 1) && j - i < n) { + i = Math.floor(i), j = Math.ceil(j); + if (u > 0) for (; i <= j; ++i) { + for (k = 1, p = pows(i); k < base; ++k) { + t = p * k; + if (t < u) continue; + if (t > v) break; + z.push(t); + } + } else for (; i <= j; ++i) { + for (k = base - 1, p = pows(i); k >= 1; --k) { + t = p * k; + if (t < u) continue; + if (t > v) break; + z.push(t); + } + } + if (z.length * 2 < n) z = d3Array.ticks(u, v, n); + } else { + z = d3Array.ticks(i, j, Math.min(j - i, n)).map(pows); + } -function symbol(type, size) { - var context = null; - type = typeof type === "function" ? type : constant(type || circle); - size = typeof size === "function" ? size : constant(size === undefined ? 64 : +size); + return r ? z.reverse() : z; + }; - function symbol() { - var buffer; - if (!context) context = buffer = d3Path.path(); - type.apply(this, arguments).draw(context, +size.apply(this, arguments)); - if (buffer) return context = null, buffer + "" || null; - } + scale.tickFormat = function(count, specifier) { + if (specifier == null) specifier = base === 10 ? ".0e" : ","; + if (typeof specifier !== "function") specifier = d3Format.format(specifier); + if (count === Infinity) return specifier; + if (count == null) count = 10; + var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? + return function(d) { + var i = d / pows(Math.round(logs(d))); + if (i * base < base - 0.5) i *= base; + return i <= k ? specifier(d) : ""; + }; + }; - symbol.type = function(_) { - return arguments.length ? (type = typeof _ === "function" ? _ : constant(_), symbol) : type; + scale.nice = function() { + return domain(nice(domain(), { + floor: function(x) { return pows(Math.floor(logs(x))); }, + ceil: function(x) { return pows(Math.ceil(logs(x))); } + })); }; - symbol.size = function(_) { - return arguments.length ? (size = typeof _ === "function" ? _ : constant(+_), symbol) : size; + return scale; +} + +function log() { + var scale = loggish(transformer$2()).domain([1, 10]); + + scale.copy = function() { + return copy$1(scale, log()).base(scale.base()); }; - symbol.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, symbol) : context; + initRange.apply(scale, arguments); + + return scale; +} + +function transformSymlog(c) { + return function(x) { + return Math.sign(x) * Math.log1p(Math.abs(x / c)); }; +} - return symbol; +function transformSymexp(c) { + return function(x) { + return Math.sign(x) * Math.expm1(Math.abs(x)) * c; + }; } -function noop() {} +function symlogish(transform) { + var c = 1, scale = transform(transformSymlog(c), transformSymexp(c)); -function point$3(that, x, y) { - that._context.bezierCurveTo( - (2 * that._x0 + that._x1) / 3, - (2 * that._y0 + that._y1) / 3, - (that._x0 + 2 * that._x1) / 3, - (that._y0 + 2 * that._y1) / 3, - (that._x0 + 4 * that._x1 + x) / 6, - (that._y0 + 4 * that._y1 + y) / 6 - ); + scale.constant = function(_) { + return arguments.length ? transform(transformSymlog(c = +_), transformSymexp(c)) : c; + }; + + return linearish(scale); } -function Basis(context) { - this._context = context; +function symlog() { + var scale = symlogish(transformer$2()); + + scale.copy = function() { + return copy$1(scale, symlog()).constant(scale.constant()); + }; + + return initRange.apply(scale, arguments); } -Basis.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 3: point$3(this, this._x1, this._y1); // proceed - case 2: this._context.lineTo(this._x1, this._y1); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed - default: point$3(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - } -}; +function transformPow(exponent) { + return function(x) { + return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); + }; +} -function basis(context) { - return new Basis(context); +function transformSqrt(x) { + return x < 0 ? -Math.sqrt(-x) : Math.sqrt(x); } -function BasisClosed(context) { - this._context = context; +function transformSquare(x) { + return x < 0 ? -x * x : x * x; } -BasisClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x2, this._y2); - this._context.closePath(); - break; - } - case 2: { - this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); - this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x2, this._y2); - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - break; - } - } - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._x2 = x, this._y2 = y; break; - case 1: this._point = 2; this._x3 = x, this._y3 = y; break; - case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break; - default: point$3(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; +function powish(transform) { + var scale = transform(identity$1, identity$1), + exponent = 1; + + function rescale() { + return exponent === 1 ? transform(identity$1, identity$1) + : exponent === 0.5 ? transform(transformSqrt, transformSquare) + : transform(transformPow(exponent), transformPow(1 / exponent)); } -}; -function basisClosed(context) { - return new BasisClosed(context); + scale.exponent = function(_) { + return arguments.length ? (exponent = +_, rescale()) : exponent; + }; + + return linearish(scale); } -function BasisOpen(context) { - this._context = context; +function pow() { + var scale = powish(transformer$2()); + + scale.copy = function() { + return copy$1(scale, pow()).exponent(scale.exponent()); + }; + + initRange.apply(scale, arguments); + + return scale; } -BasisOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = NaN; - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; - case 3: this._point = 4; // proceed - default: point$3(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - } -}; - -function basisOpen(context) { - return new BasisOpen(context); +function sqrt() { + return pow.apply(null, arguments).exponent(0.5); } -class Bump { - constructor(context, x) { - this._context = context; - this._x = x; - } - areaStart() { - this._line = 0; - } - areaEnd() { - this._line = NaN; - } - lineStart() { - this._point = 0; - } - lineEnd() { - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - } - point(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: { - this._point = 1; - if (this._line) this._context.lineTo(x, y); - else this._context.moveTo(x, y); - break; - } - case 1: this._point = 2; // proceed - default: { - if (this._x) this._context.bezierCurveTo(this._x0 = (this._x0 + x) / 2, this._y0, this._x0, y, x, y); - else this._context.bezierCurveTo(this._x0, this._y0 = (this._y0 + y) / 2, x, this._y0, x, y); - break; - } - } - this._x0 = x, this._y0 = y; - } +function square(x) { + return Math.sign(x) * x * x; } -function bumpX(context) { - return new Bump(context, true); +function unsquare(x) { + return Math.sign(x) * Math.sqrt(Math.abs(x)); } -function bumpY(context) { - return new Bump(context, false); -} +function radial() { + var squared = continuous(), + range = [0, 1], + round = false, + unknown; -function Bundle(context, beta) { - this._basis = new Basis(context); - this._beta = beta; -} + function scale(x) { + var y = unsquare(squared(x)); + return isNaN(y) ? unknown : round ? Math.round(y) : y; + } -Bundle.prototype = { - lineStart: function() { - this._x = []; - this._y = []; - this._basis.lineStart(); - }, - lineEnd: function() { - var x = this._x, - y = this._y, - j = x.length - 1; + scale.invert = function(y) { + return squared.invert(square(y)); + }; - if (j > 0) { - var x0 = x[0], - y0 = y[0], - dx = x[j] - x0, - dy = y[j] - y0, - i = -1, - t; + scale.domain = function(_) { + return arguments.length ? (squared.domain(_), scale) : squared.domain(); + }; - while (++i <= j) { - t = i / j; - this._basis.point( - this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), - this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) - ); - } - } + scale.range = function(_) { + return arguments.length ? (squared.range((range = Array.from(_, number$1)).map(square)), scale) : range.slice(); + }; - this._x = this._y = null; - this._basis.lineEnd(); - }, - point: function(x, y) { - this._x.push(+x); - this._y.push(+y); - } -}; + scale.rangeRound = function(_) { + return scale.range(_).round(true); + }; -var bundle = (function custom(beta) { + scale.round = function(_) { + return arguments.length ? (round = !!_, scale) : round; + }; - function bundle(context) { - return beta === 1 ? new Basis(context) : new Bundle(context, beta); - } + scale.clamp = function(_) { + return arguments.length ? (squared.clamp(_), scale) : squared.clamp(); + }; - bundle.beta = function(beta) { - return custom(+beta); + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; }; - return bundle; -})(0.85); + scale.copy = function() { + return radial(squared.domain(), range) + .round(round) + .clamp(squared.clamp()) + .unknown(unknown); + }; -function point$2(that, x, y) { - that._context.bezierCurveTo( - that._x1 + that._k * (that._x2 - that._x0), - that._y1 + that._k * (that._y2 - that._y0), - that._x2 + that._k * (that._x1 - x), - that._y2 + that._k * (that._y1 - y), - that._x2, - that._y2 - ); -} + initRange.apply(scale, arguments); -function Cardinal(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; + return linearish(scale); } -Cardinal.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x2, this._y2); break; - case 3: point$2(this, this._x1, this._y1); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; this._x1 = x, this._y1 = y; break; - case 2: this._point = 3; // proceed - default: point$2(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } -}; +function quantile() { + var domain = [], + range = [], + thresholds = [], + unknown; -var cardinal = (function custom(tension) { + function rescale() { + var i = 0, n = Math.max(1, range.length); + thresholds = new Array(n - 1); + while (++i < n) thresholds[i - 1] = d3Array.quantileSorted(domain, i / n); + return scale; + } - function cardinal(context) { - return new Cardinal(context, tension); + function scale(x) { + return x == null || isNaN(x = +x) ? unknown : range[d3Array.bisect(thresholds, x)]; } - cardinal.tension = function(tension) { - return custom(+tension); + scale.invertExtent = function(y) { + var i = range.indexOf(y); + return i < 0 ? [NaN, NaN] : [ + i > 0 ? thresholds[i - 1] : domain[0], + i < thresholds.length ? thresholds[i] : domain[domain.length - 1] + ]; }; - return cardinal; -})(0); + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = []; + for (let d of _) if (d != null && !isNaN(d = +d)) domain.push(d); + domain.sort(d3Array.ascending); + return rescale(); + }; -function CardinalClosed(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; + scale.range = function(_) { + return arguments.length ? (range = Array.from(_), rescale()) : range.slice(); + }; + + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + + scale.quantiles = function() { + return thresholds.slice(); + }; + + scale.copy = function() { + return quantile() + .domain(domain) + .range(range) + .unknown(unknown); + }; + + return initRange.apply(scale, arguments); } -CardinalClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 2: { - this._context.lineTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - this.point(this._x5, this._y5); - break; - } - } - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._x3 = x, this._y3 = y; break; - case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; - case 2: this._point = 3; this._x5 = x, this._y5 = y; break; - default: point$2(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } -}; +function quantize() { + var x0 = 0, + x1 = 1, + n = 1, + domain = [0.5], + range = [0, 1], + unknown; -var cardinalClosed = (function custom(tension) { + function scale(x) { + return x != null && x <= x ? range[d3Array.bisect(domain, x, 0, n)] : unknown; + } - function cardinal(context) { - return new CardinalClosed(context, tension); + function rescale() { + var i = -1; + domain = new Array(n); + while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); + return scale; } - cardinal.tension = function(tension) { - return custom(+tension); + scale.domain = function(_) { + return arguments.length ? ([x0, x1] = _, x0 = +x0, x1 = +x1, rescale()) : [x0, x1]; }; - return cardinal; -})(0); + scale.range = function(_) { + return arguments.length ? (n = (range = Array.from(_)).length - 1, rescale()) : range.slice(); + }; -function CardinalOpen(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; -} + scale.invertExtent = function(y) { + var i = range.indexOf(y); + return i < 0 ? [NaN, NaN] + : i < 1 ? [x0, domain[0]] + : i >= n ? [domain[n - 1], x1] + : [domain[i - 1], domain[i]]; + }; -CardinalOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed - default: point$2(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } -}; + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : scale; + }; -var cardinalOpen = (function custom(tension) { + scale.thresholds = function() { + return domain.slice(); + }; - function cardinal(context) { - return new CardinalOpen(context, tension); + scale.copy = function() { + return quantize() + .domain([x0, x1]) + .range(range) + .unknown(unknown); + }; + + return initRange.apply(linearish(scale), arguments); +} + +function threshold() { + var domain = [0.5], + range = [0, 1], + unknown, + n = 1; + + function scale(x) { + return x != null && x <= x ? range[d3Array.bisect(domain, x, 0, n)] : unknown; } - cardinal.tension = function(tension) { - return custom(+tension); + scale.domain = function(_) { + return arguments.length ? (domain = Array.from(_), n = Math.min(domain.length, range.length - 1), scale) : domain.slice(); }; - return cardinal; -})(0); + scale.range = function(_) { + return arguments.length ? (range = Array.from(_), n = Math.min(domain.length, range.length - 1), scale) : range.slice(); + }; -function point$1(that, x, y) { - var x1 = that._x1, - y1 = that._y1, - x2 = that._x2, - y2 = that._y2; + scale.invertExtent = function(y) { + var i = range.indexOf(y); + return [domain[i - 1], domain[i]]; + }; - if (that._l01_a > epsilon) { - var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, - n = 3 * that._l01_a * (that._l01_a + that._l12_a); - x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; - y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; - } + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; - if (that._l23_a > epsilon) { - var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, - m = 3 * that._l23_a * (that._l23_a + that._l12_a); - x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; - y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; - } + scale.copy = function() { + return threshold() + .domain(domain) + .range(range) + .unknown(unknown); + }; - that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); + return initRange.apply(scale, arguments); } -function CatmullRom(context, alpha) { - this._context = context; - this._alpha = alpha; +function date(t) { + return new Date(t); } -CatmullRom.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x2, this._y2); break; - case 3: this.point(this._x2, this._y2); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; +function number(t) { + return t instanceof Date ? +t : +new Date(+t); +} - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } +function calendar(ticks, tickInterval, year, month, week, day, hour, minute, second, format) { + var scale = continuous(), + invert = scale.invert, + domain = scale.domain; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; // proceed - default: point$1(this, x, y); break; - } + var formatMillisecond = format(".%L"), + formatSecond = format(":%S"), + formatMinute = format("%I:%M"), + formatHour = format("%I %p"), + formatDay = format("%a %d"), + formatWeek = format("%b %d"), + formatMonth = format("%B"), + formatYear = format("%Y"); - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + function tickFormat(date) { + return (second(date) < date ? formatMillisecond + : minute(date) < date ? formatSecond + : hour(date) < date ? formatMinute + : day(date) < date ? formatHour + : month(date) < date ? (week(date) < date ? formatDay : formatWeek) + : year(date) < date ? formatMonth + : formatYear)(date); } -}; - -var catmullRom = (function custom(alpha) { - function catmullRom(context) { - return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); - } + scale.invert = function(y) { + return new Date(invert(y)); + }; - catmullRom.alpha = function(alpha) { - return custom(+alpha); + scale.domain = function(_) { + return arguments.length ? domain(Array.from(_, number)) : domain().map(date); }; - return catmullRom; -})(0.5); + scale.ticks = function(interval) { + var d = domain(); + return ticks(d[0], d[d.length - 1], interval == null ? 10 : interval); + }; -function CatmullRomClosed(context, alpha) { - this._context = context; - this._alpha = alpha; -} + scale.tickFormat = function(count, specifier) { + return specifier == null ? tickFormat : format(specifier); + }; -CatmullRomClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 2: { - this._context.lineTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - this.point(this._x5, this._y5); - break; - } - } - }, - point: function(x, y) { - x = +x, y = +y; + scale.nice = function(interval) { + var d = domain(); + if (!interval || typeof interval.range !== "function") interval = tickInterval(d[0], d[d.length - 1], interval == null ? 10 : interval); + return interval ? domain(nice(d, interval)) : scale; + }; - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } + scale.copy = function() { + return copy$1(scale, calendar(ticks, tickInterval, year, month, week, day, hour, minute, second, format)); + }; - switch (this._point) { - case 0: this._point = 1; this._x3 = x, this._y3 = y; break; - case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; - case 2: this._point = 3; this._x5 = x, this._y5 = y; break; - default: point$1(this, x, y); break; - } + return scale; +} - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } -}; +function time() { + return initRange.apply(calendar(d3Time.timeTicks, d3Time.timeTickInterval, d3Time.timeYear, d3Time.timeMonth, d3Time.timeWeek, d3Time.timeDay, d3Time.timeHour, d3Time.timeMinute, d3Time.timeSecond, d3TimeFormat.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments); +} -var catmullRomClosed = (function custom(alpha) { +function utcTime() { + return initRange.apply(calendar(d3Time.utcTicks, d3Time.utcTickInterval, d3Time.utcYear, d3Time.utcMonth, d3Time.utcWeek, d3Time.utcDay, d3Time.utcHour, d3Time.utcMinute, d3Time.utcSecond, d3TimeFormat.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]), arguments); +} - function catmullRom(context) { - return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); +function transformer$1() { + var x0 = 0, + x1 = 1, + t0, + t1, + k10, + transform, + interpolator = identity$1, + clamp = false, + unknown; + + function scale(x) { + return x == null || isNaN(x = +x) ? unknown : interpolator(k10 === 0 ? 0.5 : (x = (transform(x) - t0) * k10, clamp ? Math.max(0, Math.min(1, x)) : x)); } - catmullRom.alpha = function(alpha) { - return custom(+alpha); + scale.domain = function(_) { + return arguments.length ? ([x0, x1] = _, t0 = transform(x0 = +x0), t1 = transform(x1 = +x1), k10 = t0 === t1 ? 0 : 1 / (t1 - t0), scale) : [x0, x1]; }; - return catmullRom; -})(0.5); - -function CatmullRomOpen(context, alpha) { - this._context = context; - this._alpha = alpha; -} - -CatmullRomOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, scale) : clamp; + }; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed - default: point$1(this, x, y); break; - } + scale.interpolator = function(_) { + return arguments.length ? (interpolator = _, scale) : interpolator; + }; - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + function range(interpolate) { + return function(_) { + var r0, r1; + return arguments.length ? ([r0, r1] = _, interpolator = interpolate(r0, r1), scale) : [interpolator(0), interpolator(1)]; + }; } -}; -var catmullRomOpen = (function custom(alpha) { + scale.range = range(d3Interpolate.interpolate); - function catmullRom(context) { - return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); - } + scale.rangeRound = range(d3Interpolate.interpolateRound); - catmullRom.alpha = function(alpha) { - return custom(+alpha); + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; }; - return catmullRom; -})(0.5); + return function(t) { + transform = t, t0 = t(x0), t1 = t(x1), k10 = t0 === t1 ? 0 : 1 / (t1 - t0); + return scale; + }; +} -function LinearClosed(context) { - this._context = context; +function copy(source, target) { + return target + .domain(source.domain()) + .interpolator(source.interpolator()) + .clamp(source.clamp()) + .unknown(source.unknown()); } -LinearClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._point) this._context.closePath(); - }, - point: function(x, y) { - x = +x, y = +y; - if (this._point) this._context.lineTo(x, y); - else this._point = 1, this._context.moveTo(x, y); - } -}; +function sequential() { + var scale = linearish(transformer$1()(identity$1)); -function linearClosed(context) { - return new LinearClosed(context); -} + scale.copy = function() { + return copy(scale, sequential()); + }; -function sign(x) { - return x < 0 ? -1 : 1; + return initInterpolator.apply(scale, arguments); } -// Calculate the slopes of the tangents (Hermite-type interpolation) based on -// the following paper: Steffen, M. 1990. A Simple Method for Monotonic -// Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. -// NOV(II), P. 443, 1990. -function slope3(that, x2, y2) { - var h0 = that._x1 - that._x0, - h1 = x2 - that._x1, - s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), - s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), - p = (s0 * h1 + s1 * h0) / (h0 + h1); - return (sign(s0) + sign(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; +function sequentialLog() { + var scale = loggish(transformer$1()).domain([1, 10]); + + scale.copy = function() { + return copy(scale, sequentialLog()).base(scale.base()); + }; + + return initInterpolator.apply(scale, arguments); } -// Calculate a one-sided slope. -function slope2(that, t) { - var h = that._x1 - that._x0; - return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; +function sequentialSymlog() { + var scale = symlogish(transformer$1()); + + scale.copy = function() { + return copy(scale, sequentialSymlog()).constant(scale.constant()); + }; + + return initInterpolator.apply(scale, arguments); } -// According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations -// "you can express cubic Hermite interpolation in terms of cubic Bézier curves -// with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". -function point(that, t0, t1) { - var x0 = that._x0, - y0 = that._y0, - x1 = that._x1, - y1 = that._y1, - dx = (x1 - x0) / 3; - that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); +function sequentialPow() { + var scale = powish(transformer$1()); + + scale.copy = function() { + return copy(scale, sequentialPow()).exponent(scale.exponent()); + }; + + return initInterpolator.apply(scale, arguments); } -function MonotoneX(context) { - this._context = context; +function sequentialSqrt() { + return sequentialPow.apply(null, arguments).exponent(0.5); } -MonotoneX.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = - this._t0 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x1, this._y1); break; - case 3: point(this, this._t0, slope2(this, this._t0)); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - var t1 = NaN; - - x = +x, y = +y; - if (x === this._x1 && y === this._y1) return; // Ignore coincident points. - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; point(this, slope2(this, t1 = slope3(this, x, y)), t1); break; - default: point(this, this._t0, t1 = slope3(this, x, y)); break; - } +function sequentialQuantile() { + var domain = [], + interpolator = identity$1; - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - this._t0 = t1; + function scale(x) { + if (x != null && !isNaN(x = +x)) return interpolator((d3Array.bisect(domain, x, 1) - 1) / (domain.length - 1)); } -}; -function MonotoneY(context) { - this._context = new ReflectContext(context); -} + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = []; + for (let d of _) if (d != null && !isNaN(d = +d)) domain.push(d); + domain.sort(d3Array.ascending); + return scale; + }; -(MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { - MonotoneX.prototype.point.call(this, y, x); -}; + scale.interpolator = function(_) { + return arguments.length ? (interpolator = _, scale) : interpolator; + }; -function ReflectContext(context) { - this._context = context; -} + scale.range = function() { + return domain.map((d, i) => interpolator(i / (domain.length - 1))); + }; -ReflectContext.prototype = { - moveTo: function(x, y) { this._context.moveTo(y, x); }, - closePath: function() { this._context.closePath(); }, - lineTo: function(x, y) { this._context.lineTo(y, x); }, - bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } -}; + scale.quantiles = function(n) { + return Array.from({length: n + 1}, (_, i) => d3Array.quantile(domain, i / n)); + }; -function monotoneX(context) { - return new MonotoneX(context); -} + scale.copy = function() { + return sequentialQuantile(interpolator).domain(domain); + }; -function monotoneY(context) { - return new MonotoneY(context); + return initInterpolator.apply(scale, arguments); } -function Natural(context) { - this._context = context; -} +function transformer() { + var x0 = 0, + x1 = 0.5, + x2 = 1, + s = 1, + t0, + t1, + t2, + k10, + k21, + interpolator = identity$1, + transform, + clamp = false, + unknown; -Natural.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x = []; - this._y = []; - }, - lineEnd: function() { - var x = this._x, - y = this._y, - n = x.length; + function scale(x) { + return isNaN(x = +x) ? unknown : (x = 0.5 + ((x = +transform(x)) - t1) * (s * x < s * t1 ? k10 : k21), interpolator(clamp ? Math.max(0, Math.min(1, x)) : x)); + } - if (n) { - this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); - if (n === 2) { - this._context.lineTo(x[1], y[1]); - } else { - var px = controlPoints(x), - py = controlPoints(y); - for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { - this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); - } - } - } + scale.domain = function(_) { + return arguments.length ? ([x0, x1, x2] = _, t0 = transform(x0 = +x0), t1 = transform(x1 = +x1), t2 = transform(x2 = +x2), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1), s = t1 < t0 ? -1 : 1, scale) : [x0, x1, x2]; + }; - if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); - this._line = 1 - this._line; - this._x = this._y = null; - }, - point: function(x, y) { - this._x.push(+x); - this._y.push(+y); + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, scale) : clamp; + }; + + scale.interpolator = function(_) { + return arguments.length ? (interpolator = _, scale) : interpolator; + }; + + function range(interpolate) { + return function(_) { + var r0, r1, r2; + return arguments.length ? ([r0, r1, r2] = _, interpolator = d3Interpolate.piecewise(interpolate, [r0, r1, r2]), scale) : [interpolator(0), interpolator(0.5), interpolator(1)]; + }; } -}; -// See https://www.particleincell.com/2012/bezier-splines/ for derivation. -function controlPoints(x) { - var i, - n = x.length - 1, - m, - a = new Array(n), - b = new Array(n), - r = new Array(n); - a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; - for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; - a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; - for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; - a[n - 1] = r[n - 1] / b[n - 1]; - for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; - b[n - 1] = (x[n] + a[n - 1]) / 2; - for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; - return [a, b]; -} + scale.range = range(d3Interpolate.interpolate); -function natural(context) { - return new Natural(context); -} + scale.rangeRound = range(d3Interpolate.interpolateRound); -function Step(context, t) { - this._context = context; - this._t = t; + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + + return function(t) { + transform = t, t0 = t(x0), t1 = t(x1), t2 = t(x2), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1), s = t1 < t0 ? -1 : 1; + return scale; + }; } -Step.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x = this._y = NaN; - this._point = 0; - }, - lineEnd: function() { - if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed - default: { - if (this._t <= 0) { - this._context.lineTo(this._x, y); - this._context.lineTo(x, y); - } else { - var x1 = this._x * (1 - this._t) + x * this._t; - this._context.lineTo(x1, this._y); - this._context.lineTo(x1, y); - } - break; - } - } - this._x = x, this._y = y; - } -}; +function diverging() { + var scale = linearish(transformer()(identity$1)); -function step(context) { - return new Step(context, 0.5); -} + scale.copy = function() { + return copy(scale, diverging()); + }; -function stepBefore(context) { - return new Step(context, 0); + return initInterpolator.apply(scale, arguments); } -function stepAfter(context) { - return new Step(context, 1); -} +function divergingLog() { + var scale = loggish(transformer()).domain([0.1, 1, 10]); -function none$1(series, order) { - if (!((n = series.length) > 1)) return; - for (var i = 1, j, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { - s0 = s1, s1 = series[order[i]]; - for (j = 0; j < m; ++j) { - s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; - } - } -} + scale.copy = function() { + return copy(scale, divergingLog()).base(scale.base()); + }; -function none(series) { - var n = series.length, o = new Array(n); - while (--n >= 0) o[n] = n; - return o; + return initInterpolator.apply(scale, arguments); } -function stackValue(d, key) { - return d[key]; +function divergingSymlog() { + var scale = symlogish(transformer()); + + scale.copy = function() { + return copy(scale, divergingSymlog()).constant(scale.constant()); + }; + + return initInterpolator.apply(scale, arguments); } -function stackSeries(key) { - const series = []; - series.key = key; - return series; +function divergingPow() { + var scale = powish(transformer()); + + scale.copy = function() { + return copy(scale, divergingPow()).exponent(scale.exponent()); + }; + + return initInterpolator.apply(scale, arguments); } -function stack() { - var keys = constant([]), - order = none, - offset = none$1, - value = stackValue; +function divergingSqrt() { + return divergingPow.apply(null, arguments).exponent(0.5); +} - function stack(data) { - var sz = Array.from(keys.apply(this, arguments), stackSeries), - i, n = sz.length, j = -1, - oz; +exports.scaleBand = band; +exports.scaleDiverging = diverging; +exports.scaleDivergingLog = divergingLog; +exports.scaleDivergingPow = divergingPow; +exports.scaleDivergingSqrt = divergingSqrt; +exports.scaleDivergingSymlog = divergingSymlog; +exports.scaleIdentity = identity; +exports.scaleImplicit = implicit; +exports.scaleLinear = linear; +exports.scaleLog = log; +exports.scaleOrdinal = ordinal; +exports.scalePoint = point; +exports.scalePow = pow; +exports.scaleQuantile = quantile; +exports.scaleQuantize = quantize; +exports.scaleRadial = radial; +exports.scaleSequential = sequential; +exports.scaleSequentialLog = sequentialLog; +exports.scaleSequentialPow = sequentialPow; +exports.scaleSequentialQuantile = sequentialQuantile; +exports.scaleSequentialSqrt = sequentialSqrt; +exports.scaleSequentialSymlog = sequentialSymlog; +exports.scaleSqrt = sqrt; +exports.scaleSymlog = symlog; +exports.scaleThreshold = threshold; +exports.scaleTime = time; +exports.scaleUtc = utcTime; +exports.tickFormat = tickFormat; - for (const d of data) { - for (i = 0, ++j; i < n; ++i) { - (sz[i][j] = [0, +value(d, sz[i].key, j, data)]).data = d; - } - } +Object.defineProperty(exports, '__esModule', { value: true }); - for (i = 0, oz = array(order(sz)); i < n; ++i) { - sz[oz[i]].index = i; - } +}))); +}); - offset(sz, oz); - return sz; - } +var d3ScaleChromatic = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-scale-chromatic/ v2.0.0 Copyright 2020 Mike Bostock +(function (global, factory) { +factory(exports, d3Interpolate, d3Color) ; +}(commonjsGlobal, function (exports, d3Interpolate, d3Color) { +function colors(specifier) { + var n = specifier.length / 6 | 0, colors = new Array(n), i = 0; + while (i < n) colors[i] = "#" + specifier.slice(i * 6, ++i * 6); + return colors; +} - stack.keys = function(_) { - return arguments.length ? (keys = typeof _ === "function" ? _ : constant(Array.from(_)), stack) : keys; - }; +var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); - stack.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant(+_), stack) : value; - }; +var Accent = colors("7fc97fbeaed4fdc086ffff99386cb0f0027fbf5b17666666"); - stack.order = function(_) { - return arguments.length ? (order = _ == null ? none : typeof _ === "function" ? _ : constant(Array.from(_)), stack) : order; - }; +var Dark2 = colors("1b9e77d95f027570b3e7298a66a61ee6ab02a6761d666666"); - stack.offset = function(_) { - return arguments.length ? (offset = _ == null ? none$1 : _, stack) : offset; - }; +var Paired = colors("a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d66a3d9affff99b15928"); - return stack; -} +var Pastel1 = colors("fbb4aeb3cde3ccebc5decbe4fed9a6ffffcce5d8bdfddaecf2f2f2"); -function expand(series, order) { - if (!((n = series.length) > 0)) return; - for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { - for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; - if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; - } - none$1(series, order); -} +var Pastel2 = colors("b3e2cdfdcdaccbd5e8f4cae4e6f5c9fff2aef1e2cccccccc"); -function diverging(series, order) { - if (!((n = series.length) > 0)) return; - for (var i, j = 0, d, dy, yp, yn, n, m = series[order[0]].length; j < m; ++j) { - for (yp = yn = 0, i = 0; i < n; ++i) { - if ((dy = (d = series[order[i]][j])[1] - d[0]) > 0) { - d[0] = yp, d[1] = yp += dy; - } else if (dy < 0) { - d[1] = yn, d[0] = yn += dy; - } else { - d[0] = 0, d[1] = dy; - } - } - } -} +var Set1 = colors("e41a1c377eb84daf4a984ea3ff7f00ffff33a65628f781bf999999"); -function silhouette(series, order) { - if (!((n = series.length) > 0)) return; - for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { - for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; - s0[j][1] += s0[j][0] = -y / 2; - } - none$1(series, order); -} +var Set2 = colors("66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494b3b3b3"); -function wiggle(series, order) { - if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; - for (var y = 0, j = 1, s0, m, n; j < m; ++j) { - for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { - var si = series[order[i]], - sij0 = si[j][1] || 0, - sij1 = si[j - 1][1] || 0, - s3 = (sij0 - sij1) / 2; - for (var k = 0; k < i; ++k) { - var sk = series[order[k]], - skj0 = sk[j][1] || 0, - skj1 = sk[j - 1][1] || 0; - s3 += skj0 - skj1; - } - s1 += sij0, s2 += s3 * sij0; - } - s0[j - 1][1] += s0[j - 1][0] = y; - if (s1) y -= s2 / s1; - } - s0[j - 1][1] += s0[j - 1][0] = y; - none$1(series, order); -} +var Set3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f"); -function appearance(series) { - var peaks = series.map(peak); - return none(series).sort(function(a, b) { return peaks[a] - peaks[b]; }); -} +var Tableau10 = colors("4e79a7f28e2ce1575976b7b259a14fedc949af7aa1ff9da79c755fbab0ab"); -function peak(series) { - var i = -1, j = 0, n = series.length, vi, vj = -Infinity; - while (++i < n) if ((vi = +series[i][1]) > vj) vj = vi, j = i; - return j; -} +var ramp = scheme => d3Interpolate.interpolateRgbBasis(scheme[scheme.length - 1]); -function ascending(series) { - var sums = series.map(sum); - return none(series).sort(function(a, b) { return sums[a] - sums[b]; }); -} +var scheme = new Array(3).concat( + "d8b365f5f5f55ab4ac", + "a6611adfc27d80cdc1018571", + "a6611adfc27df5f5f580cdc1018571", + "8c510ad8b365f6e8c3c7eae55ab4ac01665e", + "8c510ad8b365f6e8c3f5f5f5c7eae55ab4ac01665e", + "8c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e", + "8c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e", + "5430058c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e003c30", + "5430058c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e003c30" +).map(colors); -function sum(series) { - var s = 0, i = -1, n = series.length, v; - while (++i < n) if (v = +series[i][1]) s += v; - return s; -} +var BrBG = ramp(scheme); -function descending(series) { - return ascending(series).reverse(); -} +var scheme$1 = new Array(3).concat( + "af8dc3f7f7f77fbf7b", + "7b3294c2a5cfa6dba0008837", + "7b3294c2a5cff7f7f7a6dba0008837", + "762a83af8dc3e7d4e8d9f0d37fbf7b1b7837", + "762a83af8dc3e7d4e8f7f7f7d9f0d37fbf7b1b7837", + "762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b7837", + "762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b7837", + "40004b762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b783700441b", + "40004b762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b783700441b" +).map(colors); -function insideOut(series) { - var n = series.length, - i, - j, - sums = series.map(sum), - order = appearance(series), - top = 0, - bottom = 0, - tops = [], - bottoms = []; +var PRGn = ramp(scheme$1); - for (i = 0; i < n; ++i) { - j = order[i]; - if (top < bottom) { - top += sums[j]; - tops.push(j); - } else { - bottom += sums[j]; - bottoms.push(j); - } - } +var scheme$2 = new Array(3).concat( + "e9a3c9f7f7f7a1d76a", + "d01c8bf1b6dab8e1864dac26", + "d01c8bf1b6daf7f7f7b8e1864dac26", + "c51b7de9a3c9fde0efe6f5d0a1d76a4d9221", + "c51b7de9a3c9fde0eff7f7f7e6f5d0a1d76a4d9221", + "c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221", + "c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221", + "8e0152c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221276419", + "8e0152c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221276419" +).map(colors); - return bottoms.reverse().concat(tops); -} +var PiYG = ramp(scheme$2); -function reverse(series) { - return none(series).reverse(); -} +var scheme$3 = new Array(3).concat( + "998ec3f7f7f7f1a340", + "5e3c99b2abd2fdb863e66101", + "5e3c99b2abd2f7f7f7fdb863e66101", + "542788998ec3d8daebfee0b6f1a340b35806", + "542788998ec3d8daebf7f7f7fee0b6f1a340b35806", + "5427888073acb2abd2d8daebfee0b6fdb863e08214b35806", + "5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b35806", + "2d004b5427888073acb2abd2d8daebfee0b6fdb863e08214b358067f3b08", + "2d004b5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b358067f3b08" +).map(colors); -exports.arc = arc; -exports.area = area; -exports.areaRadial = areaRadial; -exports.curveBasis = basis; -exports.curveBasisClosed = basisClosed; -exports.curveBasisOpen = basisOpen; -exports.curveBumpX = bumpX; -exports.curveBumpY = bumpY; -exports.curveBundle = bundle; -exports.curveCardinal = cardinal; -exports.curveCardinalClosed = cardinalClosed; -exports.curveCardinalOpen = cardinalOpen; -exports.curveCatmullRom = catmullRom; -exports.curveCatmullRomClosed = catmullRomClosed; -exports.curveCatmullRomOpen = catmullRomOpen; -exports.curveLinear = curveLinear; -exports.curveLinearClosed = linearClosed; -exports.curveMonotoneX = monotoneX; -exports.curveMonotoneY = monotoneY; -exports.curveNatural = natural; -exports.curveStep = step; -exports.curveStepAfter = stepAfter; -exports.curveStepBefore = stepBefore; -exports.line = line; -exports.lineRadial = lineRadial$1; -exports.linkHorizontal = linkHorizontal; -exports.linkRadial = linkRadial; -exports.linkVertical = linkVertical; -exports.pie = pie; -exports.pointRadial = pointRadial; -exports.radialArea = areaRadial; -exports.radialLine = lineRadial$1; -exports.stack = stack; -exports.stackOffsetDiverging = diverging; -exports.stackOffsetExpand = expand; -exports.stackOffsetNone = none$1; -exports.stackOffsetSilhouette = silhouette; -exports.stackOffsetWiggle = wiggle; -exports.stackOrderAppearance = appearance; -exports.stackOrderAscending = ascending; -exports.stackOrderDescending = descending; -exports.stackOrderInsideOut = insideOut; -exports.stackOrderNone = none; -exports.stackOrderReverse = reverse; -exports.symbol = symbol; -exports.symbolCircle = circle; -exports.symbolCross = cross; -exports.symbolDiamond = diamond; -exports.symbolSquare = square; -exports.symbolStar = star; -exports.symbolTriangle = triangle; -exports.symbolWye = wye; -exports.symbols = symbols; +var PuOr = ramp(scheme$3); -Object.defineProperty(exports, '__esModule', { value: true }); +var scheme$4 = new Array(3).concat( + "ef8a62f7f7f767a9cf", + "ca0020f4a58292c5de0571b0", + "ca0020f4a582f7f7f792c5de0571b0", + "b2182bef8a62fddbc7d1e5f067a9cf2166ac", + "b2182bef8a62fddbc7f7f7f7d1e5f067a9cf2166ac", + "b2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac", + "b2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac", + "67001fb2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac053061", + "67001fb2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac053061" +).map(colors); -}))); -}); +var RdBu = ramp(scheme$4); -var d3Zoom = createCommonjsModule(function (module, exports) { -// https://d3js.org/d3-zoom/ v2.0.0 Copyright 2020 Mike Bostock -(function (global, factory) { -factory(exports, d3Dispatch, d3Drag, d3Interpolate, d3Selection, d3Transition) ; -}(commonjsGlobal, (function (exports, d3Dispatch, d3Drag, d3Interpolate, d3Selection, d3Transition) { -var constant = x => () => x; +var scheme$5 = new Array(3).concat( + "ef8a62ffffff999999", + "ca0020f4a582bababa404040", + "ca0020f4a582ffffffbababa404040", + "b2182bef8a62fddbc7e0e0e09999994d4d4d", + "b2182bef8a62fddbc7ffffffe0e0e09999994d4d4d", + "b2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d", + "b2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d", + "67001fb2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d1a1a1a", + "67001fb2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d1a1a1a" +).map(colors); -function ZoomEvent(type, { - sourceEvent, - target, - transform, - dispatch -}) { - Object.defineProperties(this, { - type: {value: type, enumerable: true, configurable: true}, - sourceEvent: {value: sourceEvent, enumerable: true, configurable: true}, - target: {value: target, enumerable: true, configurable: true}, - transform: {value: transform, enumerable: true, configurable: true}, - _: {value: dispatch} - }); -} +var RdGy = ramp(scheme$5); -function Transform(k, x, y) { - this.k = k; - this.x = x; - this.y = y; -} +var scheme$6 = new Array(3).concat( + "fc8d59ffffbf91bfdb", + "d7191cfdae61abd9e92c7bb6", + "d7191cfdae61ffffbfabd9e92c7bb6", + "d73027fc8d59fee090e0f3f891bfdb4575b4", + "d73027fc8d59fee090ffffbfe0f3f891bfdb4575b4", + "d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4", + "d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4", + "a50026d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4313695", + "a50026d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4313695" +).map(colors); -Transform.prototype = { - constructor: Transform, - scale: function(k) { - return k === 1 ? this : new Transform(this.k * k, this.x, this.y); - }, - translate: function(x, y) { - return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y); - }, - apply: function(point) { - return [point[0] * this.k + this.x, point[1] * this.k + this.y]; - }, - applyX: function(x) { - return x * this.k + this.x; - }, - applyY: function(y) { - return y * this.k + this.y; - }, - invert: function(location) { - return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k]; - }, - invertX: function(x) { - return (x - this.x) / this.k; - }, - invertY: function(y) { - return (y - this.y) / this.k; - }, - rescaleX: function(x) { - return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x)); - }, - rescaleY: function(y) { - return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y)); - }, - toString: function() { - return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")"; - } -}; +var RdYlBu = ramp(scheme$6); -var identity = new Transform(1, 0, 0); +var scheme$7 = new Array(3).concat( + "fc8d59ffffbf91cf60", + "d7191cfdae61a6d96a1a9641", + "d7191cfdae61ffffbfa6d96a1a9641", + "d73027fc8d59fee08bd9ef8b91cf601a9850", + "d73027fc8d59fee08bffffbfd9ef8b91cf601a9850", + "d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850", + "d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850", + "a50026d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850006837", + "a50026d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850006837" +).map(colors); -transform.prototype = Transform.prototype; +var RdYlGn = ramp(scheme$7); -function transform(node) { - while (!node.__zoom) if (!(node = node.parentNode)) return identity; - return node.__zoom; -} +var scheme$8 = new Array(3).concat( + "fc8d59ffffbf99d594", + "d7191cfdae61abdda42b83ba", + "d7191cfdae61ffffbfabdda42b83ba", + "d53e4ffc8d59fee08be6f59899d5943288bd", + "d53e4ffc8d59fee08bffffbfe6f59899d5943288bd", + "d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd", + "d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd", + "9e0142d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd5e4fa2", + "9e0142d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd5e4fa2" +).map(colors); -function nopropagation(event) { - event.stopImmediatePropagation(); -} +var Spectral = ramp(scheme$8); -function noevent(event) { - event.preventDefault(); - event.stopImmediatePropagation(); -} +var scheme$9 = new Array(3).concat( + "e5f5f999d8c92ca25f", + "edf8fbb2e2e266c2a4238b45", + "edf8fbb2e2e266c2a42ca25f006d2c", + "edf8fbccece699d8c966c2a42ca25f006d2c", + "edf8fbccece699d8c966c2a441ae76238b45005824", + "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45005824", + "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45006d2c00441b" +).map(colors); -// Ignore right-click, since that should open the context menu. -// except for pinch-to-zoom, which is sent as a wheel+ctrlKey event -function defaultFilter(event) { - return (!event.ctrlKey || event.type === 'wheel') && !event.button; -} +var BuGn = ramp(scheme$9); -function defaultExtent() { - var e = this; - if (e instanceof SVGElement) { - e = e.ownerSVGElement || e; - if (e.hasAttribute("viewBox")) { - e = e.viewBox.baseVal; - return [[e.x, e.y], [e.x + e.width, e.y + e.height]]; - } - return [[0, 0], [e.width.baseVal.value, e.height.baseVal.value]]; - } - return [[0, 0], [e.clientWidth, e.clientHeight]]; -} +var scheme$a = new Array(3).concat( + "e0ecf49ebcda8856a7", + "edf8fbb3cde38c96c688419d", + "edf8fbb3cde38c96c68856a7810f7c", + "edf8fbbfd3e69ebcda8c96c68856a7810f7c", + "edf8fbbfd3e69ebcda8c96c68c6bb188419d6e016b", + "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d6e016b", + "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d810f7c4d004b" +).map(colors); -function defaultTransform() { - return this.__zoom || identity; -} +var BuPu = ramp(scheme$a); -function defaultWheelDelta(event) { - return -event.deltaY * (event.deltaMode === 1 ? 0.05 : event.deltaMode ? 1 : 0.002) * (event.ctrlKey ? 10 : 1); -} +var scheme$b = new Array(3).concat( + "e0f3dba8ddb543a2ca", + "f0f9e8bae4bc7bccc42b8cbe", + "f0f9e8bae4bc7bccc443a2ca0868ac", + "f0f9e8ccebc5a8ddb57bccc443a2ca0868ac", + "f0f9e8ccebc5a8ddb57bccc44eb3d32b8cbe08589e", + "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe08589e", + "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe0868ac084081" +).map(colors); -function defaultTouchable() { - return navigator.maxTouchPoints || ("ontouchstart" in this); -} +var GnBu = ramp(scheme$b); -function defaultConstrain(transform, extent, translateExtent) { - var dx0 = transform.invertX(extent[0][0]) - translateExtent[0][0], - dx1 = transform.invertX(extent[1][0]) - translateExtent[1][0], - dy0 = transform.invertY(extent[0][1]) - translateExtent[0][1], - dy1 = transform.invertY(extent[1][1]) - translateExtent[1][1]; - return transform.translate( - dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1), - dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1) - ); -} +var scheme$c = new Array(3).concat( + "fee8c8fdbb84e34a33", + "fef0d9fdcc8afc8d59d7301f", + "fef0d9fdcc8afc8d59e34a33b30000", + "fef0d9fdd49efdbb84fc8d59e34a33b30000", + "fef0d9fdd49efdbb84fc8d59ef6548d7301f990000", + "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301f990000", + "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301fb300007f0000" +).map(colors); -function zoom() { - var filter = defaultFilter, - extent = defaultExtent, - constrain = defaultConstrain, - wheelDelta = defaultWheelDelta, - touchable = defaultTouchable, - scaleExtent = [0, Infinity], - translateExtent = [[-Infinity, -Infinity], [Infinity, Infinity]], - duration = 250, - interpolate = d3Interpolate.interpolateZoom, - listeners = d3Dispatch.dispatch("start", "zoom", "end"), - touchstarting, - touchfirst, - touchending, - touchDelay = 500, - wheelDelay = 150, - clickDistance2 = 0, - tapDistance = 10; - - function zoom(selection) { - selection - .property("__zoom", defaultTransform) - .on("wheel.zoom", wheeled) - .on("mousedown.zoom", mousedowned) - .on("dblclick.zoom", dblclicked) - .filter(touchable) - .on("touchstart.zoom", touchstarted) - .on("touchmove.zoom", touchmoved) - .on("touchend.zoom touchcancel.zoom", touchended) - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); - } - - zoom.transform = function(collection, transform, point, event) { - var selection = collection.selection ? collection.selection() : collection; - selection.property("__zoom", defaultTransform); - if (collection !== selection) { - schedule(collection, transform, point, event); - } else { - selection.interrupt().each(function() { - gesture(this, arguments) - .event(event) - .start() - .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) - .end(); - }); - } - }; +var OrRd = ramp(scheme$c); - zoom.scaleBy = function(selection, k, p, event) { - zoom.scaleTo(selection, function() { - var k0 = this.__zoom.k, - k1 = typeof k === "function" ? k.apply(this, arguments) : k; - return k0 * k1; - }, p, event); - }; +var scheme$d = new Array(3).concat( + "ece2f0a6bddb1c9099", + "f6eff7bdc9e167a9cf02818a", + "f6eff7bdc9e167a9cf1c9099016c59", + "f6eff7d0d1e6a6bddb67a9cf1c9099016c59", + "f6eff7d0d1e6a6bddb67a9cf3690c002818a016450", + "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016450", + "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016c59014636" +).map(colors); - zoom.scaleTo = function(selection, k, p, event) { - zoom.transform(selection, function() { - var e = extent.apply(this, arguments), - t0 = this.__zoom, - p0 = p == null ? centroid(e) : typeof p === "function" ? p.apply(this, arguments) : p, - p1 = t0.invert(p0), - k1 = typeof k === "function" ? k.apply(this, arguments) : k; - return constrain(translate(scale(t0, k1), p0, p1), e, translateExtent); - }, p, event); - }; +var PuBuGn = ramp(scheme$d); - zoom.translateBy = function(selection, x, y, event) { - zoom.transform(selection, function() { - return constrain(this.__zoom.translate( - typeof x === "function" ? x.apply(this, arguments) : x, - typeof y === "function" ? y.apply(this, arguments) : y - ), extent.apply(this, arguments), translateExtent); - }, null, event); - }; +var scheme$e = new Array(3).concat( + "ece7f2a6bddb2b8cbe", + "f1eef6bdc9e174a9cf0570b0", + "f1eef6bdc9e174a9cf2b8cbe045a8d", + "f1eef6d0d1e6a6bddb74a9cf2b8cbe045a8d", + "f1eef6d0d1e6a6bddb74a9cf3690c00570b0034e7b", + "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0034e7b", + "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0045a8d023858" +).map(colors); - zoom.translateTo = function(selection, x, y, p, event) { - zoom.transform(selection, function() { - var e = extent.apply(this, arguments), - t = this.__zoom, - p0 = p == null ? centroid(e) : typeof p === "function" ? p.apply(this, arguments) : p; - return constrain(identity.translate(p0[0], p0[1]).scale(t.k).translate( - typeof x === "function" ? -x.apply(this, arguments) : -x, - typeof y === "function" ? -y.apply(this, arguments) : -y - ), e, translateExtent); - }, p, event); - }; +var PuBu = ramp(scheme$e); - function scale(transform, k) { - k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], k)); - return k === transform.k ? transform : new Transform(k, transform.x, transform.y); - } +var scheme$f = new Array(3).concat( + "e7e1efc994c7dd1c77", + "f1eef6d7b5d8df65b0ce1256", + "f1eef6d7b5d8df65b0dd1c77980043", + "f1eef6d4b9dac994c7df65b0dd1c77980043", + "f1eef6d4b9dac994c7df65b0e7298ace125691003f", + "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125691003f", + "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125698004367001f" +).map(colors); - function translate(transform, p0, p1) { - var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k; - return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y); - } +var PuRd = ramp(scheme$f); - function centroid(extent) { - return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; - } +var scheme$g = new Array(3).concat( + "fde0ddfa9fb5c51b8a", + "feebe2fbb4b9f768a1ae017e", + "feebe2fbb4b9f768a1c51b8a7a0177", + "feebe2fcc5c0fa9fb5f768a1c51b8a7a0177", + "feebe2fcc5c0fa9fb5f768a1dd3497ae017e7a0177", + "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a0177", + "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a017749006a" +).map(colors); - function schedule(transition, transform, point, event) { - transition - .on("start.zoom", function() { gesture(this, arguments).event(event).start(); }) - .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).event(event).end(); }) - .tween("zoom", function() { - var that = this, - args = arguments, - g = gesture(that, args).event(event), - e = extent.apply(that, args), - p = point == null ? centroid(e) : typeof point === "function" ? point.apply(that, args) : point, - w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), - a = that.__zoom, - b = typeof transform === "function" ? transform.apply(that, args) : transform, - i = interpolate(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); - return function(t) { - if (t === 1) t = b; // Avoid rounding error on end. - else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } - g.zoom(null, t); - }; - }); - } +var RdPu = ramp(scheme$g); - function gesture(that, args, clean) { - return (!clean && that.__zooming) || new Gesture(that, args); - } +var scheme$h = new Array(3).concat( + "edf8b17fcdbb2c7fb8", + "ffffcca1dab441b6c4225ea8", + "ffffcca1dab441b6c42c7fb8253494", + "ffffccc7e9b47fcdbb41b6c42c7fb8253494", + "ffffccc7e9b47fcdbb41b6c41d91c0225ea80c2c84", + "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea80c2c84", + "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea8253494081d58" +).map(colors); - function Gesture(that, args) { - this.that = that; - this.args = args; - this.active = 0; - this.sourceEvent = null; - this.extent = extent.apply(that, args); - this.taps = 0; - } +var YlGnBu = ramp(scheme$h); - Gesture.prototype = { - event: function(event) { - if (event) this.sourceEvent = event; - return this; - }, - start: function() { - if (++this.active === 1) { - this.that.__zooming = this; - this.emit("start"); - } - return this; - }, - zoom: function(key, transform) { - if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]); - if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); - if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); - this.that.__zoom = transform; - this.emit("zoom"); - return this; - }, - end: function() { - if (--this.active === 0) { - delete this.that.__zooming; - this.emit("end"); - } - return this; - }, - emit: function(type) { - var d = d3Selection.select(this.that).datum(); - listeners.call( - type, - this.that, - new ZoomEvent(type, { - sourceEvent: this.sourceEvent, - target: zoom, - type, - transform: this.that.__zoom, - dispatch: listeners - }), - d - ); - } - }; +var scheme$i = new Array(3).concat( + "f7fcb9addd8e31a354", + "ffffccc2e69978c679238443", + "ffffccc2e69978c67931a354006837", + "ffffccd9f0a3addd8e78c67931a354006837", + "ffffccd9f0a3addd8e78c67941ab5d238443005a32", + "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443005a32", + "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443006837004529" +).map(colors); - function wheeled(event, ...args) { - if (!filter.apply(this, arguments)) return; - var g = gesture(this, args).event(event), - t = this.__zoom, - k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], t.k * Math.pow(2, wheelDelta.apply(this, arguments)))), - p = d3Selection.pointer(event); +var YlGn = ramp(scheme$i); - // If the mouse is in the same location as before, reuse it. - // If there were recent wheel events, reset the wheel idle timeout. - if (g.wheel) { - if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) { - g.mouse[1] = t.invert(g.mouse[0] = p); - } - clearTimeout(g.wheel); - } +var scheme$j = new Array(3).concat( + "fff7bcfec44fd95f0e", + "ffffd4fed98efe9929cc4c02", + "ffffd4fed98efe9929d95f0e993404", + "ffffd4fee391fec44ffe9929d95f0e993404", + "ffffd4fee391fec44ffe9929ec7014cc4c028c2d04", + "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c028c2d04", + "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c02993404662506" +).map(colors); - // If this wheel event won’t trigger a transform change, ignore it. - else if (t.k === k) return; +var YlOrBr = ramp(scheme$j); - // Otherwise, capture the mouse point and location at the start. - else { - g.mouse = [p, t.invert(p)]; - d3Transition.interrupt(this); - g.start(); - } +var scheme$k = new Array(3).concat( + "ffeda0feb24cf03b20", + "ffffb2fecc5cfd8d3ce31a1c", + "ffffb2fecc5cfd8d3cf03b20bd0026", + "ffffb2fed976feb24cfd8d3cf03b20bd0026", + "ffffb2fed976feb24cfd8d3cfc4e2ae31a1cb10026", + "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cb10026", + "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cbd0026800026" +).map(colors); - noevent(event); - g.wheel = setTimeout(wheelidled, wheelDelay); - g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent, translateExtent)); +var YlOrRd = ramp(scheme$k); - function wheelidled() { - g.wheel = null; - g.end(); - } - } +var scheme$l = new Array(3).concat( + "deebf79ecae13182bd", + "eff3ffbdd7e76baed62171b5", + "eff3ffbdd7e76baed63182bd08519c", + "eff3ffc6dbef9ecae16baed63182bd08519c", + "eff3ffc6dbef9ecae16baed64292c62171b5084594", + "f7fbffdeebf7c6dbef9ecae16baed64292c62171b5084594", + "f7fbffdeebf7c6dbef9ecae16baed64292c62171b508519c08306b" +).map(colors); - function mousedowned(event, ...args) { - if (touchending || !filter.apply(this, arguments)) return; - var g = gesture(this, args, true).event(event), - v = d3Selection.select(event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), - p = d3Selection.pointer(event, currentTarget), - currentTarget = event.currentTarget, - x0 = event.clientX, - y0 = event.clientY; +var Blues = ramp(scheme$l); - d3Drag.dragDisable(event.view); - nopropagation(event); - g.mouse = [p, this.__zoom.invert(p)]; - d3Transition.interrupt(this); - g.start(); +var scheme$m = new Array(3).concat( + "e5f5e0a1d99b31a354", + "edf8e9bae4b374c476238b45", + "edf8e9bae4b374c47631a354006d2c", + "edf8e9c7e9c0a1d99b74c47631a354006d2c", + "edf8e9c7e9c0a1d99b74c47641ab5d238b45005a32", + "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45005a32", + "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45006d2c00441b" +).map(colors); - function mousemoved(event) { - noevent(event); - if (!g.moved) { - var dx = event.clientX - x0, dy = event.clientY - y0; - g.moved = dx * dx + dy * dy > clickDistance2; - } - g.event(event) - .zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = d3Selection.pointer(event, currentTarget), g.mouse[1]), g.extent, translateExtent)); - } +var Greens = ramp(scheme$m); - function mouseupped(event) { - v.on("mousemove.zoom mouseup.zoom", null); - d3Drag.dragEnable(event.view, g.moved); - noevent(event); - g.event(event).end(); - } - } +var scheme$n = new Array(3).concat( + "f0f0f0bdbdbd636363", + "f7f7f7cccccc969696525252", + "f7f7f7cccccc969696636363252525", + "f7f7f7d9d9d9bdbdbd969696636363252525", + "f7f7f7d9d9d9bdbdbd969696737373525252252525", + "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525", + "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525000000" +).map(colors); - function dblclicked(event, ...args) { - if (!filter.apply(this, arguments)) return; - var t0 = this.__zoom, - p0 = d3Selection.pointer(event.changedTouches ? event.changedTouches[0] : event, this), - p1 = t0.invert(p0), - k1 = t0.k * (event.shiftKey ? 0.5 : 2), - t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, args), translateExtent); +var Greys = ramp(scheme$n); - noevent(event); - if (duration > 0) d3Selection.select(this).transition().duration(duration).call(schedule, t1, p0, event); - else d3Selection.select(this).call(zoom.transform, t1, p0, event); - } +var scheme$o = new Array(3).concat( + "efedf5bcbddc756bb1", + "f2f0f7cbc9e29e9ac86a51a3", + "f2f0f7cbc9e29e9ac8756bb154278f", + "f2f0f7dadaebbcbddc9e9ac8756bb154278f", + "f2f0f7dadaebbcbddc9e9ac8807dba6a51a34a1486", + "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a34a1486", + "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a354278f3f007d" +).map(colors); - function touchstarted(event, ...args) { - if (!filter.apply(this, arguments)) return; - var touches = event.touches, - n = touches.length, - g = gesture(this, args, event.changedTouches.length === n).event(event), - started, i, t, p; +var Purples = ramp(scheme$o); - nopropagation(event); - for (i = 0; i < n; ++i) { - t = touches[i], p = d3Selection.pointer(t, this); - p = [p, this.__zoom.invert(p), t.identifier]; - if (!g.touch0) g.touch0 = p, started = true, g.taps = 1 + !!touchstarting; - else if (!g.touch1 && g.touch0[2] !== p[2]) g.touch1 = p, g.taps = 0; - } +var scheme$p = new Array(3).concat( + "fee0d2fc9272de2d26", + "fee5d9fcae91fb6a4acb181d", + "fee5d9fcae91fb6a4ade2d26a50f15", + "fee5d9fcbba1fc9272fb6a4ade2d26a50f15", + "fee5d9fcbba1fc9272fb6a4aef3b2ccb181d99000d", + "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181d99000d", + "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181da50f1567000d" +).map(colors); - if (touchstarting) touchstarting = clearTimeout(touchstarting); +var Reds = ramp(scheme$p); - if (started) { - if (g.taps < 2) touchfirst = p[0], touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); - d3Transition.interrupt(this); - g.start(); - } - } +var scheme$q = new Array(3).concat( + "fee6cefdae6be6550d", + "feeddefdbe85fd8d3cd94701", + "feeddefdbe85fd8d3ce6550da63603", + "feeddefdd0a2fdae6bfd8d3ce6550da63603", + "feeddefdd0a2fdae6bfd8d3cf16913d948018c2d04", + "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d948018c2d04", + "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d94801a636037f2704" +).map(colors); - function touchmoved(event, ...args) { - if (!this.__zooming) return; - var g = gesture(this, args).event(event), - touches = event.changedTouches, - n = touches.length, i, t, p, l; +var Oranges = ramp(scheme$q); - noevent(event); - for (i = 0; i < n; ++i) { - t = touches[i], p = d3Selection.pointer(t, this); - if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; - else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; - } - t = g.that.__zoom; - if (g.touch1) { - var p0 = g.touch0[0], l0 = g.touch0[1], - p1 = g.touch1[0], l1 = g.touch1[1], - dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp, - dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl; - t = scale(t, Math.sqrt(dp / dl)); - p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2]; - l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2]; - } - else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; - else return; +function cividis(t) { + t = Math.max(0, Math.min(1, t)); + return "rgb(" + + Math.max(0, Math.min(255, Math.round(-4.54 - t * (35.34 - t * (2381.73 - t * (6402.7 - t * (7024.72 - t * 2710.57))))))) + ", " + + Math.max(0, Math.min(255, Math.round(32.49 + t * (170.73 + t * (52.82 - t * (131.46 - t * (176.58 - t * 67.37))))))) + ", " + + Math.max(0, Math.min(255, Math.round(81.24 + t * (442.36 - t * (2482.43 - t * (6167.24 - t * (6614.94 - t * 2475.67))))))) + + ")"; +} - g.zoom("touch", constrain(translate(t, p, l), g.extent, translateExtent)); - } +var cubehelix = d3Interpolate.interpolateCubehelixLong(d3Color.cubehelix(300, 0.5, 0.0), d3Color.cubehelix(-240, 0.5, 1.0)); - function touchended(event, ...args) { - if (!this.__zooming) return; - var g = gesture(this, args).event(event), - touches = event.changedTouches, - n = touches.length, i, t; +var warm = d3Interpolate.interpolateCubehelixLong(d3Color.cubehelix(-100, 0.75, 0.35), d3Color.cubehelix(80, 1.50, 0.8)); - nopropagation(event); - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, touchDelay); - for (i = 0; i < n; ++i) { - t = touches[i]; - if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; - else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; - } - if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; - if (g.touch0) g.touch0[1] = this.__zoom.invert(g.touch0[0]); - else { - g.end(); - // If this was a dbltap, reroute to the (optional) dblclick.zoom handler. - if (g.taps === 2) { - t = d3Selection.pointer(t, this); - if (Math.hypot(touchfirst[0] - t[0], touchfirst[1] - t[1]) < tapDistance) { - var p = d3Selection.select(this).on("dblclick.zoom"); - if (p) p.apply(this, arguments); - } - } - } - } +var cool = d3Interpolate.interpolateCubehelixLong(d3Color.cubehelix(260, 0.75, 0.35), d3Color.cubehelix(80, 1.50, 0.8)); - zoom.wheelDelta = function(_) { - return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant(+_), zoom) : wheelDelta; - }; +var c = d3Color.cubehelix(); - zoom.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant(!!_), zoom) : filter; - }; +function rainbow(t) { + if (t < 0 || t > 1) t -= Math.floor(t); + var ts = Math.abs(t - 0.5); + c.h = 360 * t - 100; + c.s = 1.5 - 1.5 * ts; + c.l = 0.8 - 0.9 * ts; + return c + ""; +} - zoom.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant(!!_), zoom) : touchable; - }; +var c$1 = d3Color.rgb(), + pi_1_3 = Math.PI / 3, + pi_2_3 = Math.PI * 2 / 3; - zoom.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; - }; +function sinebow(t) { + var x; + t = (0.5 - t) * Math.PI; + c$1.r = 255 * (x = Math.sin(t)) * x; + c$1.g = 255 * (x = Math.sin(t + pi_1_3)) * x; + c$1.b = 255 * (x = Math.sin(t + pi_2_3)) * x; + return c$1 + ""; +} - zoom.scaleExtent = function(_) { - return arguments.length ? (scaleExtent[0] = +_[0], scaleExtent[1] = +_[1], zoom) : [scaleExtent[0], scaleExtent[1]]; - }; +function turbo(t) { + t = Math.max(0, Math.min(1, t)); + return "rgb(" + + Math.max(0, Math.min(255, Math.round(34.61 + t * (1172.33 - t * (10793.56 - t * (33300.12 - t * (38394.49 - t * 14825.05))))))) + ", " + + Math.max(0, Math.min(255, Math.round(23.31 + t * (557.33 + t * (1225.33 - t * (3574.96 - t * (1073.77 + t * 707.56))))))) + ", " + + Math.max(0, Math.min(255, Math.round(27.2 + t * (3211.1 - t * (15327.97 - t * (27814 - t * (22569.18 - t * 6838.66))))))) + + ")"; +} - zoom.translateExtent = function(_) { - return arguments.length ? (translateExtent[0][0] = +_[0][0], translateExtent[1][0] = +_[1][0], translateExtent[0][1] = +_[0][1], translateExtent[1][1] = +_[1][1], zoom) : [[translateExtent[0][0], translateExtent[0][1]], [translateExtent[1][0], translateExtent[1][1]]]; +function ramp$1(range) { + var n = range.length; + return function(t) { + return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; }; +} - zoom.constrain = function(_) { - return arguments.length ? (constrain = _, zoom) : constrain; - }; - - zoom.duration = function(_) { - return arguments.length ? (duration = +_, zoom) : duration; - }; - - zoom.interpolate = function(_) { - return arguments.length ? (interpolate = _, zoom) : interpolate; - }; - - zoom.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? zoom : value; - }; +var viridis = ramp$1(colors("44015444025645045745055946075a46085c460a5d460b5e470d60470e6147106347116447136548146748166848176948186a481a6c481b6d481c6e481d6f481f70482071482173482374482475482576482677482878482979472a7a472c7a472d7b472e7c472f7d46307e46327e46337f463480453581453781453882443983443a83443b84433d84433e85423f854240864241864142874144874045884046883f47883f48893e49893e4a893e4c8a3d4d8a3d4e8a3c4f8a3c508b3b518b3b528b3a538b3a548c39558c39568c38588c38598c375a8c375b8d365c8d365d8d355e8d355f8d34608d34618d33628d33638d32648e32658e31668e31678e31688e30698e306a8e2f6b8e2f6c8e2e6d8e2e6e8e2e6f8e2d708e2d718e2c718e2c728e2c738e2b748e2b758e2a768e2a778e2a788e29798e297a8e297b8e287c8e287d8e277e8e277f8e27808e26818e26828e26828e25838e25848e25858e24868e24878e23888e23898e238a8d228b8d228c8d228d8d218e8d218f8d21908d21918c20928c20928c20938c1f948c1f958b1f968b1f978b1f988b1f998a1f9a8a1e9b8a1e9c891e9d891f9e891f9f881fa0881fa1881fa1871fa28720a38620a48621a58521a68522a78522a88423a98324aa8325ab8225ac8226ad8127ad8128ae8029af7f2ab07f2cb17e2db27d2eb37c2fb47c31b57b32b67a34b67935b77937b87838b9773aba763bbb753dbc743fbc7340bd7242be7144bf7046c06f48c16e4ac16d4cc26c4ec36b50c46a52c56954c56856c66758c7655ac8645cc8635ec96260ca6063cb5f65cb5e67cc5c69cd5b6ccd5a6ece5870cf5773d05675d05477d1537ad1517cd2507fd34e81d34d84d44b86d54989d5488bd6468ed64590d74393d74195d84098d83e9bd93c9dd93ba0da39a2da37a5db36a8db34aadc32addc30b0dd2fb2dd2db5de2bb8de29bade28bddf26c0df25c2df23c5e021c8e020cae11fcde11dd0e11cd2e21bd5e21ad8e219dae319dde318dfe318e2e418e5e419e7e419eae51aece51befe51cf1e51df4e61ef6e620f8e621fbe723fde725")); - zoom.clickDistance = function(_) { - return arguments.length ? (clickDistance2 = (_ = +_) * _, zoom) : Math.sqrt(clickDistance2); - }; +var magma = ramp$1(colors("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")); - zoom.tapDistance = function(_) { - return arguments.length ? (tapDistance = +_, zoom) : tapDistance; - }; +var inferno = ramp$1(colors("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")); - return zoom; -} +var plasma = ramp$1(colors("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")); -exports.zoom = zoom; -exports.zoomIdentity = identity; -exports.zoomTransform = transform; +exports.interpolateBlues = Blues; +exports.interpolateBrBG = BrBG; +exports.interpolateBuGn = BuGn; +exports.interpolateBuPu = BuPu; +exports.interpolateCividis = cividis; +exports.interpolateCool = cool; +exports.interpolateCubehelixDefault = cubehelix; +exports.interpolateGnBu = GnBu; +exports.interpolateGreens = Greens; +exports.interpolateGreys = Greys; +exports.interpolateInferno = inferno; +exports.interpolateMagma = magma; +exports.interpolateOrRd = OrRd; +exports.interpolateOranges = Oranges; +exports.interpolatePRGn = PRGn; +exports.interpolatePiYG = PiYG; +exports.interpolatePlasma = plasma; +exports.interpolatePuBu = PuBu; +exports.interpolatePuBuGn = PuBuGn; +exports.interpolatePuOr = PuOr; +exports.interpolatePuRd = PuRd; +exports.interpolatePurples = Purples; +exports.interpolateRainbow = rainbow; +exports.interpolateRdBu = RdBu; +exports.interpolateRdGy = RdGy; +exports.interpolateRdPu = RdPu; +exports.interpolateRdYlBu = RdYlBu; +exports.interpolateRdYlGn = RdYlGn; +exports.interpolateReds = Reds; +exports.interpolateSinebow = sinebow; +exports.interpolateSpectral = Spectral; +exports.interpolateTurbo = turbo; +exports.interpolateViridis = viridis; +exports.interpolateWarm = warm; +exports.interpolateYlGn = YlGn; +exports.interpolateYlGnBu = YlGnBu; +exports.interpolateYlOrBr = YlOrBr; +exports.interpolateYlOrRd = YlOrRd; +exports.schemeAccent = Accent; +exports.schemeBlues = scheme$l; +exports.schemeBrBG = scheme; +exports.schemeBuGn = scheme$9; +exports.schemeBuPu = scheme$a; +exports.schemeCategory10 = category10; +exports.schemeDark2 = Dark2; +exports.schemeGnBu = scheme$b; +exports.schemeGreens = scheme$m; +exports.schemeGreys = scheme$n; +exports.schemeOrRd = scheme$c; +exports.schemeOranges = scheme$q; +exports.schemePRGn = scheme$1; +exports.schemePaired = Paired; +exports.schemePastel1 = Pastel1; +exports.schemePastel2 = Pastel2; +exports.schemePiYG = scheme$2; +exports.schemePuBu = scheme$e; +exports.schemePuBuGn = scheme$d; +exports.schemePuOr = scheme$3; +exports.schemePuRd = scheme$f; +exports.schemePurples = scheme$o; +exports.schemeRdBu = scheme$4; +exports.schemeRdGy = scheme$5; +exports.schemeRdPu = scheme$g; +exports.schemeRdYlBu = scheme$6; +exports.schemeRdYlGn = scheme$7; +exports.schemeReds = scheme$p; +exports.schemeSet1 = Set1; +exports.schemeSet2 = Set2; +exports.schemeSet3 = Set3; +exports.schemeSpectral = scheme$8; +exports.schemeTableau10 = Tableau10; +exports.schemeYlGn = scheme$i; +exports.schemeYlGnBu = scheme$h; +exports.schemeYlOrBr = scheme$j; +exports.schemeYlOrRd = scheme$k; Object.defineProperty(exports, '__esModule', { value: true }); -}))); +})); }); -var d3_node = createCommonjsModule(function (module, exports) { +var d3Shape = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-shape/ v2.1.0 Copyright 2021 Mike Bostock +(function (global, factory) { +factory(exports, d3Path) ; +}(commonjsGlobal, (function (exports, d3Path) { +function constant(x) { + return function constant() { + return x; + }; +} -Object.defineProperty(exports, '__esModule', { value: true }); +var abs = Math.abs; +var atan2 = Math.atan2; +var cos = Math.cos; +var max = Math.max; +var min = Math.min; +var sin = Math.sin; +var sqrt = Math.sqrt; +var epsilon = 1e-12; +var pi = Math.PI; +var halfPi = pi / 2; +var tau = 2 * pi; +function acos(x) { + return x > 1 ? 0 : x < -1 ? pi : Math.acos(x); +} +function asin(x) { + return x >= 1 ? halfPi : x <= -1 ? -halfPi : Math.asin(x); +} +function arcInnerRadius(d) { + return d.innerRadius; +} +function arcOuterRadius(d) { + return d.outerRadius; +} +function arcStartAngle(d) { + return d.startAngle; +} +function arcEndAngle(d) { + return d.endAngle; +} +function arcPadAngle(d) { + return d && d.padAngle; // Note: optional! +} +function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { + var x10 = x1 - x0, y10 = y1 - y0, + x32 = x3 - x2, y32 = y3 - y2, + t = y32 * x10 - x32 * y10; + if (t * t < epsilon) return; + t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / t; + return [x0 + t * x10, y0 + t * y10]; +} +// Compute perpendicular offset line of length rc. +// http://mathworld.wolfram.com/Circle-LineIntersection.html +function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { + var x01 = x0 - x1, + y01 = y0 - y1, + lo = (cw ? rc : -rc) / sqrt(x01 * x01 + y01 * y01), + ox = lo * y01, + oy = -lo * x01, + x11 = x0 + ox, + y11 = y0 + oy, + x10 = x1 + ox, + y10 = y1 + oy, + x00 = (x11 + x10) / 2, + y00 = (y11 + y10) / 2, + dx = x10 - x11, + dy = y10 - y11, + d2 = dx * dx + dy * dy, + r = r1 - rc, + D = x11 * y10 - x10 * y11, + d = (dy < 0 ? -1 : 1) * sqrt(max(0, r * r * d2 - D * D)), + cx0 = (D * dy - dx * d) / d2, + cy0 = (-D * dx - dy * d) / d2, + cx1 = (D * dy + dx * d) / d2, + cy1 = (-D * dx + dy * d) / d2, + dx0 = cx0 - x00, + dy0 = cy0 - y00, + dx1 = cx1 - x00, + dy1 = cy1 - y00; + // Pick the closer of the two intersection points. + // TODO Is there a faster way to determine which intersection to use? + if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; + return { + cx: cx0, + cy: cy0, + x01: -ox, + y01: -oy, + x11: cx0 * (r1 / r - 1), + y11: cy0 * (r1 / r - 1) + }; +} +function arc() { + var innerRadius = arcInnerRadius, + outerRadius = arcOuterRadius, + cornerRadius = constant(0), + padRadius = null, + startAngle = arcStartAngle, + endAngle = arcEndAngle, + padAngle = arcPadAngle, + context = null; + function arc() { + var buffer, + r, + r0 = +innerRadius.apply(this, arguments), + r1 = +outerRadius.apply(this, arguments), + a0 = startAngle.apply(this, arguments) - halfPi, + a1 = endAngle.apply(this, arguments) - halfPi, + da = abs(a1 - a0), + cw = a1 > a0; + if (!context) context = buffer = d3Path.path(); + // Ensure that the outer radius is always larger than the inner radius. + if (r1 < r0) r = r1, r1 = r0, r0 = r; + // Is it a point? + if (!(r1 > epsilon)) context.moveTo(0, 0); + // Or is it a circle or annulus? + else if (da > tau - epsilon) { + context.moveTo(r1 * cos(a0), r1 * sin(a0)); + context.arc(0, 0, r1, a0, a1, !cw); + if (r0 > epsilon) { + context.moveTo(r0 * cos(a1), r0 * sin(a1)); + context.arc(0, 0, r0, a1, a0, cw); + } + } + // Or is it a circular or annular sector? + else { + var a01 = a0, + a11 = a1, + a00 = a0, + a10 = a1, + da0 = da, + da1 = da, + ap = padAngle.apply(this, arguments) / 2, + rp = (ap > epsilon) && (padRadius ? +padRadius.apply(this, arguments) : sqrt(r0 * r0 + r1 * r1)), + rc = min(abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), + rc0 = rc, + rc1 = rc, + t0, + t1; + // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. + if (rp > epsilon) { + var p0 = asin(rp / r0 * sin(ap)), + p1 = asin(rp / r1 * sin(ap)); + if ((da0 -= p0 * 2) > epsilon) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; + else da0 = 0, a00 = a10 = (a0 + a1) / 2; + if ((da1 -= p1 * 2) > epsilon) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; + else da1 = 0, a01 = a11 = (a0 + a1) / 2; + } + var x01 = r1 * cos(a01), + y01 = r1 * sin(a01), + x10 = r0 * cos(a10), + y10 = r0 * sin(a10); + // Apply rounded corners? + if (rc > epsilon) { + var x11 = r1 * cos(a11), + y11 = r1 * sin(a11), + x00 = r0 * cos(a00), + y00 = r0 * sin(a00), + oc; + // Restrict the corner radius according to the sector angle. + if (da < pi && (oc = intersect(x01, y01, x00, y00, x11, y11, x10, y10))) { + var ax = x01 - oc[0], + ay = y01 - oc[1], + bx = x11 - oc[0], + by = y11 - oc[1], + kc = 1 / sin(acos((ax * bx + ay * by) / (sqrt(ax * ax + ay * ay) * sqrt(bx * bx + by * by))) / 2), + lc = sqrt(oc[0] * oc[0] + oc[1] * oc[1]); + rc0 = min(rc, (r0 - lc) / (kc - 1)); + rc1 = min(rc, (r1 - lc) / (kc + 1)); + } + } + // Is the sector collapsed to a line? + if (!(da1 > epsilon)) context.moveTo(x01, y01); + // Does the sector’s outer ring have rounded corners? + else if (rc1 > epsilon) { + t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); + t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); + context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); + // Have the corners merged? + if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, atan2(t0.y01, t0.x01), atan2(t1.y01, t1.x01), !cw); + // Otherwise, draw the two corners and the ring. + else { + context.arc(t0.cx, t0.cy, rc1, atan2(t0.y01, t0.x01), atan2(t0.y11, t0.x11), !cw); + context.arc(0, 0, r1, atan2(t0.cy + t0.y11, t0.cx + t0.x11), atan2(t1.cy + t1.y11, t1.cx + t1.x11), !cw); + context.arc(t1.cx, t1.cy, rc1, atan2(t1.y11, t1.x11), atan2(t1.y01, t1.x01), !cw); + } + } + // Or is the outer ring just a circular arc? + else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); + // Is there no inner ring, and it’s a circular sector? + // Or perhaps it’s an annular sector collapsed due to padding? + if (!(r0 > epsilon) || !(da0 > epsilon)) context.lineTo(x10, y10); + // Does the sector’s inner ring (or point) have rounded corners? + else if (rc0 > epsilon) { + t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); + t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); -var version = "6.7.0"; + context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); -exports.version = version; -Object.keys(d3Array).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Array[k]; - } - }); -}); -Object.keys(d3Axis).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Axis[k]; - } - }); -}); -Object.keys(d3Brush).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Brush[k]; - } - }); -}); -Object.keys(d3Chord).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Chord[k]; - } - }); -}); -Object.keys(d3Color).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Color[k]; - } - }); -}); -Object.keys(d3Contour).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Contour[k]; - } - }); -}); -Object.keys(d3Delaunay).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Delaunay[k]; - } - }); -}); -Object.keys(d3Dispatch).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Dispatch[k]; - } - }); -}); -Object.keys(d3Drag).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Drag[k]; - } - }); -}); -Object.keys(d3Dsv).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Dsv[k]; - } - }); -}); -Object.keys(d3Ease).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Ease[k]; - } - }); -}); -Object.keys(d3Fetch).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Fetch[k]; - } - }); -}); -Object.keys(d3Force).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Force[k]; - } - }); -}); -Object.keys(d3Format).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Format[k]; - } - }); -}); -Object.keys(d3Geo).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Geo[k]; - } - }); -}); -Object.keys(d3Hierarchy).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Hierarchy[k]; - } - }); -}); -Object.keys(d3Interpolate).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Interpolate[k]; - } - }); -}); -Object.keys(d3Path).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Path[k]; - } - }); -}); -Object.keys(d3Polygon).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Polygon[k]; - } - }); -}); -Object.keys(d3Quadtree).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Quadtree[k]; - } - }); -}); -Object.keys(d3Random).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Random[k]; - } - }); -}); -Object.keys(d3Scale).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Scale[k]; - } - }); -}); -Object.keys(d3ScaleChromatic).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3ScaleChromatic[k]; - } - }); -}); -Object.keys(d3Selection).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Selection[k]; - } - }); -}); -Object.keys(d3Shape).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Shape[k]; - } - }); -}); -Object.keys(d3Time).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Time[k]; - } - }); -}); -Object.keys(d3TimeFormat).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3TimeFormat[k]; - } - }); -}); -Object.keys(d3Timer).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Timer[k]; - } - }); -}); -Object.keys(d3Transition).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Transition[k]; - } - }); -}); -Object.keys(d3Zoom).forEach(function (k) { - if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { - enumerable: true, - get: function () { - return d3Zoom[k]; - } - }); -}); -}); + // Have the corners merged? + if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, atan2(t0.y01, t0.x01), atan2(t1.y01, t1.x01), !cw); -const arcDiagram = (graph, app, currFile, modal, width, height) => { - const data = graphlibToD3(graph); - const margin = { top: 20, right: 20, bottom: 20, left: 150 }; - const svg = d3_node.select(".d3-graph") - .append("svg") - .attr("height", height) - .attr("width", width); - const nodes = data.nodes.map(({ id, name }) => ({ - id, - name, - sourceLinks: [], - targetLinks: [], - })); - const nodeById = new Map(nodes.map((d) => [d.id, d])); - const links = data.links.map(({ source, target }) => ({ - source: nodeById.get(source), - target: nodeById.get(target), - })); - for (const link of links) { - const { source, target } = link; - source.sourceLinks.push(link); - target.targetLinks.push(link); - } - svg.append("style").text(` - -path { - stroke: #808080; - opacity: 0.8; -} - -text { - stroke: var(--text-a); - opacity: 0.8; -} - - -.hover g.primary text { - fill: black; -} - -.hover g.secondary text { - fill: #333; -} - -.hover .secondary { - color: red; -} - -.hover path.primary { - stroke: #333; - stroke-opacity: 1; -} - -.hover rect { - opacity: 1; - cursor: pointer; -} - -`); - const y = d3_node.scalePoint(nodes.map((d) => d.name).sort(d3_node.ascending), [ - margin.top, - height - margin.bottom, - ]); - const label = svg - .append("g") - .attr("font-family", "sans-serif") - .attr("font-size", 10) - .attr("text-anchor", "end") - .selectAll("g") - .data(nodes) - .join("g") - .attr("transform", (d) => `translate(${margin.left},${(d.y = y(d.name))})`) - .call((g) => g - .append("text") - .attr("x", -6) - .attr("dy", "0.35em") - // .attr("fill", (d) => d3.lab(color(d.group)).darker(2)) - .text((d) => d.name)) - .call((g) => g.append("circle").attr("r", 3) - // .attr("fill", (d) => color(d.group)) - ); - const path = svg - .insert("g", "*") - .attr("fill", "none") - .attr("stroke-opacity", 0.6) - .attr("stroke-width", 1.5) - .selectAll("path") - .data(links) - .join("path") - // .attr("stroke", (d) => - // d.source.group === d.target.group ? color(d.source.group) : "#aaa" - // ) - .attr("d", arc); - const step = 104; - const nodeClick = (event, dest) => { - openOrSwitch(app, dest, event); - modal.close(); - }; - svg - .append("g") - .attr("fill", "none") - .attr("pointer-events", "all") - .selectAll("rect") - .data(nodes) - .join("rect") - .attr("width", margin.left + 40) - .attr("height", step) - .attr("y", (d) => y(d.name) - step / 2) - .on("mouseover", (d) => { - svg.classed("hover", true); - label.classed("primary", (n) => n === d); - label.classed("secondary", (n) => n.sourceLinks.some((l) => l.target === d) || - n.targetLinks.some((l) => l.source === d)); - path - .classed("primary", (l) => l.source === d || l.target === d) - .filter(".primary") - .raise(); - }) - .on("mouseout", (d) => { - svg.classed("hover", false); - label.classed("primary", false); - label.classed("secondary", false); - path.classed("primary", false).order(); - }) - .on("click", (event, d) => { - nodeClick(event, d.name); - }); - // function update() { - // y.domain(nodes.sort(viewof order.value).map(d => d.id)); - // const t = svg.transition() - // .duration(750); - // label.transition(t) - // .delay((d, i) => i * 20) - // .attrTween("transform", d => { - // const i = d3.interpolateNumber(d.y, y(d.id)); - // return t => `translate(${margin.left},${d.y = i(t)})`; - // }); - // path.transition(t) - // .duration(750 + nodes.length * 20) - // .attrTween("d", d => () => arc(d)); - // overlay.transition(t) - // .delay((d, i) => i * 20) - // .attr("y", d => y(d.id) - step / 2); - // } - // viewof order.addEventListener("input", update); - // invalidation.then(() => viewof order.removeEventListener("input", update)); - function arc(d) { - const y1 = d.source.y; - const y2 = d.target.y; - const r = Math.abs(y2 - y1) / 2; - return `M${margin.left},${y1}A${r},${r} 0,0,${y1 < y2 ? 1 : 0} ${margin.left},${y2}`; - } - function zoomed({ transform }) { - svg.attr("transform", transform); - } - svg.call(d3_node.zoom() - .extent([ - [0, 0], - [width, height], - ]) - .scaleExtent([0.5, 8]) - .on("zoom", zoomed)); -}; + // Otherwise, draw the two corners and the ring. + else { + context.arc(t0.cx, t0.cy, rc0, atan2(t0.y01, t0.x01), atan2(t0.y11, t0.x11), !cw); + context.arc(0, 0, r0, atan2(t0.cy + t0.y11, t0.cx + t0.x11), atan2(t1.cy + t1.y11, t1.cx + t1.x11), cw); + context.arc(t1.cx, t1.cy, rc0, atan2(t1.y11, t1.x11), atan2(t1.y01, t1.x01), !cw); + } + } -const circlePacking = (graph, app, currFile, modal, width, height) => { - const flatAdj = dfsFlatAdjList(graph, currFile.basename); - console.log({ flatAdj }); - const hierarchy = d3_node.stratify()(flatAdj); - console.log({ hierarchy }); - const adjList = bfsAdjList(graph, currFile.basename); - console.log({ adjList }); - const noDoubles = [...adjList]; - noDoubles.forEach((a, i) => { - if (noDoubles.some((b, j) => i !== j && a.name === b.name)) { - const index = noDoubles.findIndex((b, j) => i !== j && a.name === b.name); - noDoubles.splice(index, 1); - } - }); - // const noDoubles = adjList.filter((a) => { - // !adjList.some((b) => { - // console.log({ a, b }); - // return a.name !== b.name && a.parentId === b.parentId; - // }); - // }); - console.log({ noDoubles }); - // const root = stratify(noDoubles); - // console.log(root); - // const hierarchy: d3Tree = createTreeHierarchy(noDoubles, { - // id: "name", - // excludeParent: true, - // }); - // console.log({ hierarchy }); - const linkArr = noDoubles.map((d) => { - return { source: d.name, target: d.parentId }; - }); - const links = linkArr.map((d) => Object.create(d)); - const svg = d3_node.select(".d3-graph") - .append("svg") - .attr("height", height) - .attr("width", width); - const nodeColour = getComputedStyle(document.body).getPropertyValue("--text-accent"); - // Initialize the circle: all located at the center of the svg area - const node = svg - .append("g") - .selectAll("circle") - .data(noDoubles) - .join("circle") - .attr("r", (d) => Math.round(d.height / 10) + 10) - .attr("cx", width / 2) - .attr("cy", height / 2) - .style("fill", nodeColour) - .style("fill-opacity", 0.6) - .attr("stroke", nodeColour) - .style("stroke-width", 4); - node.attr("aria-label", (d) => d.name); - const nodeClick = (event, dest) => { - app.workspace.getActiveFile(); - openOrSwitch(app, dest, event); - modal.close(); - }; - node.on("click", (event, d) => { - nodeClick(event, d.name); - }); - svg - .append("g") - .attr("stroke", "#868282") - .attr("stroke-opacity", 0.6) - .selectAll("line") - .data(links) - .join("line") - .attr("stroke-width", 0.8); - // Features of the forces applied to the nodes: - const simulation = d3_node.forceSimulation() - .force("center", d3_node.forceCenter() - .x(width / 2) - .y(height / 2)) // Attraction to the center of the svg area - .force("charge", d3_node.forceManyBody().strength(0.5)) // Nodes are attracted one each other of value is > 0 - .force("collide", d3_node.forceCollide().strength(0.025).radius(30).iterations(1)); // Force that avoids circle overlapping - // Apply these forces to the nodes and update their positions. - // Once the force algorithm is happy with positions ('alpha' value is low enough), simulations will stop. - simulation.nodes(noDoubles).on("tick", function (d) { - node.attr("cx", (d) => d.x).attr("cy", (d) => d.y); - }); - function zoomed({ transform }) { - node.attr("transform", transform); - } - svg.call(d3_node.zoom() - .extent([ - [0, 0], - [width, height], - ]) - .scaleExtent([0.5, 8]) - .on("zoom", zoomed)); - const drag = (simulation) => { - function dragstarted(event, d) { - if (!event.active) - simulation.alphaTarget(0.3).restart(); - d.fx = d.x; - d.fy = d.y; - } - function dragged(event, d) { - d.fx = event.x; - d.fy = event.y; - } - function dragended(event, d) { - if (!event.active) - simulation.alphaTarget(0); - d.fx = null; - d.fy = null; - } - return d3_node.drag() - .on("start", dragstarted) - .on("drag", dragged) - .on("end", dragended); - }; - node.call(drag(simulation)); - // const pack = (data) => - // d3.pack().size([width, height]).padding(3)( - // d3 - // .hierarchy(data) - // .sum((d) => d.value) - // .sort((a, b) => b.value - a.value) - // ); - // const root = pack(hierarchy); - // const svg = d3 - // .select(".d3-graph") - // .append("svg") - // .attr("height", height) - // .attr("width", width) - // .style("font", "10px sans-serif") - // .style("overflow", "visible") - // .attr("text-anchor", "middle"); - // const node = svg - // .append("g") - // .attr("pointer-events", "all") - // .selectAll("g") - // .data(root.descendants()) - // .join("g") - // .attr("transform", (d) => `translate(${d.x},${d.y})`); - // node - // .append("circle") - // .attr("r", (d) => d.r) - // .attr("stroke", (d) => (d.children ? "#bbb" : "none")) - // .attr("fill", (d) => (d.children ? "none" : "#ddd")); - // const leaf = node.filter((d) => !d.children); - // leaf.select("circle"); - // // leaf - // // .append("clipPath") - // // .attr("id", (d) => (d.clipUid = DOM.uid("clip")).id) - // // .append("use") - // // .attr("xlink:href", (d) => d.leafUid.href); - // // leaf - // // .append("text") - // // .attr("clip-path", (d) => d.clipUid) - // // .selectAll("tspan") - // // .data((d) => d.data.name.split(/(?=[A-Z][^A-Z])/g)) - // // .join("tspan") - // // .attr("x", 0) - // // .attr("y", (d, i, nodes) => `${i - nodes.length / 2 + 0.8}em`) - // // .text((d) => d); - // node.append("title").text( - // (d) => `${d - // .ancestors() - // .map((d) => d.data.data.name) - // .reverse() - // .join("/")} - // ${d.value.toLocaleString()}` - // ); -}; + // Or is the inner ring just a circular arc? + else context.arc(0, 0, r0, a10, a00, cw); + } -const edgeBundling = (graph, app, currFile, modal, width, height) => { - const flatAdj = dfsFlatAdjList(graph, currFile.basename); - console.log({ flatAdj }); - const hier = d3_node.stratify()(flatAdj); - console.log({ hier }); - const PADDING_BUBBLE = 15; // distance between edge end and bubble - const PADDING_LABEL = 30; // distance between edge end and engineer name - const BUBBLE_SIZE_MIN = 4; - const BUBBLE_SIZE_MAX = 20; - var diameter = 560, radius = diameter / 2, innerRadius = radius - 170; // between center and edge end - // The 'cluster' function takes 1 argument as input. It also has methods (??) like cluster.separation(), cluster.size() and cluster.nodeSize() - var cluster = d3_node.cluster().size([360, innerRadius]); - var line = d3_node.lineRadial() - .curve(d3_node.curveBundle.beta(0.85)) - .radius(function (d) { - return d[1]; - }) - .angle(function (d) { - return (d[0] / 180) * Math.PI; - }); - const svg = d3_node.select(".d3-graph") - .append("svg") - .attr("height", height) - .attr("width", width) - .append("g") - .attr("transform", "translate(" + radius + "," + radius + ")"); - var link = svg.append("g").selectAll(".link"), label = svg.append("g").selectAll(".label"), bubble = svg.append("g").selectAll(".bubble"); - // Add a scale for bubble size - var bubbleSizeScale = d3_node.scaleLinear() - .domain([0, 100]) - .range([BUBBLE_SIZE_MIN, BUBBLE_SIZE_MAX]); - // Scale for the bubble size - // If wanna see your data - // console.log(hierarchicalData) - // Reformat the data - var root = packageHierarchy(hier) - //debugger; - .sum(function (d) { - console.log(d); - return d.height; - }); - // console.log(root) - // Build an object that gives feature of each leaves - cluster(root); - const leaves = root.leaves(); - // Leaves is an array of Objects. 1 item = one leaf. Provides x and y for leaf position in the svg. Also gives details about its parent. - link - .data(packageImports(leaves)) - .enter() - .append("path") - .each(function (d) { - (d.source = d[0]), (d.target = d[d.length - 1]); - }) - .attr("class", "link") - .attr("d", line) - .attr("fill", "none") - .attr("stroke", "black"); - label - .data(leaves) - .enter() - .append("text") - .attr("class", "label") - .attr("dy", "0.31em") - .attr("transform", function (d) { - return ("rotate(" + - (d.x - 90) + - ")translate(" + - (d.y + PADDING_LABEL) + - ",0)" + - (d.x < 180 ? "" : "rotate(180)")); - }) - .attr("text-anchor", function (d) { - return d.x < 180 ? "start" : "end"; - }) - .text(function (d) { - return d.data.key; - }); - bubble - .data(leaves) - .enter() - .append("circle") - .attr("class", "bubble") - .attr("transform", function (d) { - return ("rotate(" + (d.x - 90) + ")translate(" + (d.y + PADDING_BUBBLE) + ",0)"); - }) - .attr("r", (d) => bubbleSizeScale(d.value)) - .attr("stroke", "black") - .attr("fill", "#69a3b2") - .style("opacity", 0.2); - // Lazily construct the package hierarchy from class names. - function packageHierarchy(classes) { - var map = {}; - function find(name, data) { - var node = map[name], i; - if (!node) { - node = map[name] = data || { name: name, children: [] }; - if (name.length) { - node.parent = find(name.substring(0, (i = name.lastIndexOf(".")))); - node.parent.children.push(node); - node.key = name.substring(i + 1); - } - } - return node; - } - classes.forEach(function (d) { - find(d.name, d); - }); - return d3_node.hierarchy(map[""]); - } - // Return a list of imports for the given array of nodes. - function packageImports(nodes) { - var map = {}, imports = []; - // Compute a map from name to node. - nodes.forEach(function (d) { - map[d.data.name] = d; - }); - // For each import, construct a link from the source to target node. - nodes.forEach(function (d) { - if (d.data.imports) - d.data.imports.forEach(function (i) { - imports.push(map[d.data.name].path(map[i])); - }); - }); - return imports; - } -}; + context.closePath(); -const forceDirectedG = (graph, app, currFile, modal, width, height) => { - modal.plugin; - let nodeToGetTo = currFile.basename; - console.log({ nodeToGetTo }); - console.time("Find all paths"); - // let pathsFromNodeToGetTo = graphlib.alg.dijkstra(graph, nodeToGetTo); - console.timeEnd("Find all paths"); - const defaultNodeColour = getComputedStyle(document.body).getPropertyValue("--text-accent"); - let currNodeColour = defaultNodeColour; - const colourChangeInput = d3_node.select(".d3-graph") - .append("input") - .attr("type", "color"); - colourChangeInput.on("change", function changeColor(el) { - currNodeColour = el.target.value; - node - .transition() - .duration(300) - .style("fill", (d) => { - if (d.index === currNodeIndex) - return; - return currNodeColour; - }); - }); - // const saveLayoutButton = modal.contentEl.createEl('button', { text: 'Save Layout' }) - // .addEventListener('click', saveGraph) - const data = graphlibToD3(graph); - const links = data.links.map((d) => Object.create(d)); - const currNode = data.nodes.find((node) => node.name === currFile.basename); - let currNodeIndex; - if (!currNode) { - const id = data.nodes.length; - data.nodes.push({ id, name: currFile.basename }); - currNodeIndex = id; - } - else { - currNodeIndex = currNode.id; - } - const nodes = data.nodes.map((d) => Object.create(d)); - const simulation = d3_node.forceSimulation(nodes) - .force("link", d3_node.forceLink(links).id((d) => d.id)) - .force("charge", d3_node.forceManyBody().strength(-8)) - .force("center", d3_node.forceCenter(width / 2, height / 2).strength(0.5)); - const drag = (simulation) => { - function dragstarted(event, d) { - if (!event.active) - simulation.alphaTarget(0.3).restart(); - d.fx = d.x; - d.fy = d.y; - } - function dragged(event, d) { - d.fx = event.x; - d.fy = event.y; - } - function dragended(event, d) { - if (!event.active) - simulation.alphaTarget(0); - d.fx = null; - d.fy = null; - } - return d3_node.drag() - .on("start", dragstarted) - .on("drag", dragged) - .on("end", dragended); - }; - const svg = d3_node.select(".d3-graph") - .append("svg") - .attr("height", height) - .attr("width", width) - .attr("class", "forceDirectedG"); - const link = svg - .append("g") - .attr("stroke", "#868282") - .attr("stroke-opacity", 0.6) - .selectAll("line") - .data(links) - .join("line") - .attr("stroke-width", 0.8) - .attr("marker-end", "url(#end)"); - svg - .append("svg:g") - .selectAll("path") - .data(links) - .enter() - .append("svg:path") - // .attr("class", function(d) { return "link " + d.type; }) - .attr("class", "link") - .attr("marker-end", "url(#end)"); - svg - .append("svg:defs") - .selectAll("marker") - .data(["end"]) // Different link/path types can be defined here - .enter() - .append("svg:marker") // This section adds in the arrows - .attr("id", String) - .attr("viewBox", "0 -5 10 10") - .attr("refX", 20) - .attr("refY", 0.1) - .attr("markerWidth", 6) - .attr("markerHeight", 6) - .attr("orient", "auto") - // .attr("stroke", "#868282") - .attr("stroke-width", 10) - .append("svg:path") - .attr("d", "M0,-5L10,0L0,5"); - const nameFromIndex = (d) => data.nodes.find((node) => node.id === d.index).name; - const node = svg - .append("g") - .selectAll("circle") - .data(nodes) - .join("circle") - .attr("r", 5) - .attr("fill", (d) => { - if (nameFromIndex(d) === currFile.basename) { - return "#ffffff"; - } - else { - return currNodeColour; - } - }) - .call(drag(simulation)); - node.attr("aria-label", (d) => d.name); - const nodeClick = (event, dest) => { - openOrSwitch(app, dest, event); - modal.close(); - }; - node.on("click", (event, d) => { - nodeClick(event, d.name); - }); - node.on("mousedown", (event, d) => { - if (event.button === 2) { - nodeToGetTo = d.name; - node.style("fill", (n) => { - if (n.name === nodeToGetTo) { - return "#ff0000"; - } - else - return currNodeColour; - }); - // pathsFromNodeToGetTo = graphlib.alg.dijkstra(graph, nodeToGetTo); - } - }); - function linked(a, b) { - if (a === b) - return true; - const linkedArr = links.find((link) => (link.source.index === a && link.target.index === b) || - (link.target.index === a && link.source.index === b)); - return !!linkedArr; - } - // function walkDijkstraPaths( - // paths: { [node: string]: graphlib.Path }, - // startNode: string - // ) { - // if (startNode === nodeToGetTo || paths[startNode].distance === Infinity) - // return []; - // let step = startNode; - // const path: string[] = [startNode]; - // let i = 0; - // const MAX = 300; - // while (paths[step].predecessor !== nodeToGetTo && i < MAX) { - // i++; - // step = paths[step].predecessor; - // path.push(step); - // } - // if (i >= MAX) return []; - // path.push(nodeToGetTo); - // return path; - // } - node - .on("mouseover", (event, d) => { - node - .transition() - .duration(150) - .style("opacity", (o) => { - return linked(d.index, o.index) ? 1 : 0.2; - }); - link - .transition() - .duration(150) - .style("opacity", function (o) { - return o.source.index === d.index || o.target.index === d.index - ? 1 - : 0.2; - }); - // Highlight path from hovered node to currNode - nameFromIndex(d); - // const path = walkDijkstraPaths(pathsFromNodeToGetTo, hoveredNode); - // if (path.length) { - // link - // .transition() - // .duration(150) - // .style("stroke", function (link) { - // if ( - // path.includes(nameFromIndex(link.source)) && - // path.includes(nameFromIndex(link.target)) - // ) - // return currNodeColour; - // }) - // .style("opacity", function (link) { - // if ( - // path.includes(nameFromIndex(link.source)) && - // path.includes(nameFromIndex(link.target)) - // ) - // return 1; - // }); - // } - }) - .on("mouseout", unfocus); - function unfocus() { - // labelNode.attr("display", "block"); - node.style("opacity", 1); - link.style("opacity", 1).style("stroke", "#868282"); - } - simulation.on("tick", () => { - link - .attr("x1", (d) => d.source.x) - .attr("y1", (d) => d.source.y) - .attr("x2", (d) => d.target.x) - .attr("y2", (d) => d.target.y); - node.attr("cx", (d) => d.x).attr("cy", (d) => d.y); - }); - function zoomed({ transform }) { - node.attr("transform", transform); - link.attr("transform", transform); - } - svg.call(d3_node.zoom() - .extent([ - [0, 0], - [width, height], - ]) - .scaleExtent([0.5, 10]) - .on("zoom", zoomed)); + if (buffer) return context = null, buffer + "" || null; + } + + arc.centroid = function() { + var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, + a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi / 2; + return [cos(a) * r, sin(a) * r]; + }; + + arc.innerRadius = function(_) { + return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant(+_), arc) : innerRadius; + }; + + arc.outerRadius = function(_) { + return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant(+_), arc) : outerRadius; + }; + + arc.cornerRadius = function(_) { + return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant(+_), arc) : cornerRadius; + }; + + arc.padRadius = function(_) { + return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant(+_), arc) : padRadius; + }; + + arc.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant(+_), arc) : startAngle; + }; + + arc.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant(+_), arc) : endAngle; + }; + + arc.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant(+_), arc) : padAngle; + }; + + arc.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), arc) : context; + }; + + return arc; +} + +var slice = Array.prototype.slice; + +function array(x) { + return typeof x === "object" && "length" in x + ? x // Array, TypedArray, NodeList, array-like + : Array.from(x); // Map, Set, iterable, string, or anything else +} + +function Linear(context) { + this._context = context; +} + +Linear.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; // proceed + default: this._context.lineTo(x, y); break; + } + } +}; + +function curveLinear(context) { + return new Linear(context); +} + +function x(p) { + return p[0]; +} + +function y(p) { + return p[1]; +} + +function line(x$1, y$1) { + var defined = constant(true), + context = null, + curve = curveLinear, + output = null; + + x$1 = typeof x$1 === "function" ? x$1 : (x$1 === undefined) ? x : constant(x$1); + y$1 = typeof y$1 === "function" ? y$1 : (y$1 === undefined) ? y : constant(y$1); + + function line(data) { + var i, + n = (data = array(data)).length, + d, + defined0 = false, + buffer; + + if (context == null) output = curve(buffer = d3Path.path()); + + for (i = 0; i <= n; ++i) { + if (!(i < n && defined(d = data[i], i, data)) === defined0) { + if (defined0 = !defined0) output.lineStart(); + else output.lineEnd(); + } + if (defined0) output.point(+x$1(d, i, data), +y$1(d, i, data)); + } + + if (buffer) return output = null, buffer + "" || null; + } + + line.x = function(_) { + return arguments.length ? (x$1 = typeof _ === "function" ? _ : constant(+_), line) : x$1; + }; + + line.y = function(_) { + return arguments.length ? (y$1 = typeof _ === "function" ? _ : constant(+_), line) : y$1; + }; + + line.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant(!!_), line) : defined; + }; + + line.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; + }; + + line.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; + }; + + return line; +} + +function area(x0, y0, y1) { + var x1 = null, + defined = constant(true), + context = null, + curve = curveLinear, + output = null; + + x0 = typeof x0 === "function" ? x0 : (x0 === undefined) ? x : constant(+x0); + y0 = typeof y0 === "function" ? y0 : (y0 === undefined) ? constant(0) : constant(+y0); + y1 = typeof y1 === "function" ? y1 : (y1 === undefined) ? y : constant(+y1); + + function area(data) { + var i, + j, + k, + n = (data = array(data)).length, + d, + defined0 = false, + buffer, + x0z = new Array(n), + y0z = new Array(n); + + if (context == null) output = curve(buffer = d3Path.path()); + + for (i = 0; i <= n; ++i) { + if (!(i < n && defined(d = data[i], i, data)) === defined0) { + if (defined0 = !defined0) { + j = i; + output.areaStart(); + output.lineStart(); + } else { + output.lineEnd(); + output.lineStart(); + for (k = i - 1; k >= j; --k) { + output.point(x0z[k], y0z[k]); + } + output.lineEnd(); + output.areaEnd(); + } + } + if (defined0) { + x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); + output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); + } + } + + if (buffer) return output = null, buffer + "" || null; + } + + function arealine() { + return line().defined(defined).curve(curve).context(context); + } + + area.x = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant(+_), x1 = null, area) : x0; + }; + + area.x0 = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant(+_), area) : x0; + }; + + area.x1 = function(_) { + return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant(+_), area) : x1; + }; + + area.y = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant(+_), y1 = null, area) : y0; + }; + + area.y0 = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant(+_), area) : y0; + }; + + area.y1 = function(_) { + return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant(+_), area) : y1; + }; + + area.lineX0 = + area.lineY0 = function() { + return arealine().x(x0).y(y0); + }; + + area.lineY1 = function() { + return arealine().x(x0).y(y1); + }; + + area.lineX1 = function() { + return arealine().x(x1).y(y0); + }; + + area.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant(!!_), area) : defined; + }; + + area.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; + }; + + area.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; + }; + + return area; +} + +function descending$1(a, b) { + return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; +} + +function identity(d) { + return d; +} + +function pie() { + var value = identity, + sortValues = descending$1, + sort = null, + startAngle = constant(0), + endAngle = constant(tau), + padAngle = constant(0); + + function pie(data) { + var i, + n = (data = array(data)).length, + j, + k, + sum = 0, + index = new Array(n), + arcs = new Array(n), + a0 = +startAngle.apply(this, arguments), + da = Math.min(tau, Math.max(-tau, endAngle.apply(this, arguments) - a0)), + a1, + p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), + pa = p * (da < 0 ? -1 : 1), + v; + + for (i = 0; i < n; ++i) { + if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { + sum += v; + } + } + + // Optionally sort the arcs by previously-computed values or by data. + if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); + else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); + + // Compute the arcs! They are stored in the original data's order. + for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { + j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { + data: data[j], + index: i, + value: v, + startAngle: a0, + endAngle: a1, + padAngle: p + }; + } + + return arcs; + } + + pie.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant(+_), pie) : value; + }; + + pie.sortValues = function(_) { + return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; + }; + + pie.sort = function(_) { + return arguments.length ? (sort = _, sortValues = null, pie) : sort; + }; + + pie.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant(+_), pie) : startAngle; + }; + + pie.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant(+_), pie) : endAngle; + }; + + pie.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant(+_), pie) : padAngle; + }; + + return pie; +} + +var curveRadialLinear = curveRadial$1(curveLinear); + +function Radial(curve) { + this._curve = curve; +} + +Radial.prototype = { + areaStart: function() { + this._curve.areaStart(); + }, + areaEnd: function() { + this._curve.areaEnd(); + }, + lineStart: function() { + this._curve.lineStart(); + }, + lineEnd: function() { + this._curve.lineEnd(); + }, + point: function(a, r) { + this._curve.point(r * Math.sin(a), r * -Math.cos(a)); + } +}; + +function curveRadial$1(curve) { + + function radial(context) { + return new Radial(curve(context)); + } + + radial._curve = curve; + + return radial; +} + +function lineRadial(l) { + var c = l.curve; + + l.angle = l.x, delete l.x; + l.radius = l.y, delete l.y; + + l.curve = function(_) { + return arguments.length ? c(curveRadial$1(_)) : c()._curve; + }; + + return l; +} + +function lineRadial$1() { + return lineRadial(line().curve(curveRadialLinear)); +} + +function areaRadial() { + var a = area().curve(curveRadialLinear), + c = a.curve, + x0 = a.lineX0, + x1 = a.lineX1, + y0 = a.lineY0, + y1 = a.lineY1; + + a.angle = a.x, delete a.x; + a.startAngle = a.x0, delete a.x0; + a.endAngle = a.x1, delete a.x1; + a.radius = a.y, delete a.y; + a.innerRadius = a.y0, delete a.y0; + a.outerRadius = a.y1, delete a.y1; + a.lineStartAngle = function() { return lineRadial(x0()); }, delete a.lineX0; + a.lineEndAngle = function() { return lineRadial(x1()); }, delete a.lineX1; + a.lineInnerRadius = function() { return lineRadial(y0()); }, delete a.lineY0; + a.lineOuterRadius = function() { return lineRadial(y1()); }, delete a.lineY1; + + a.curve = function(_) { + return arguments.length ? c(curveRadial$1(_)) : c()._curve; + }; + + return a; +} + +function pointRadial(x, y) { + return [(y = +y) * Math.cos(x -= Math.PI / 2), y * Math.sin(x)]; +} + +function linkSource(d) { + return d.source; +} + +function linkTarget(d) { + return d.target; +} + +function link(curve) { + var source = linkSource, + target = linkTarget, + x$1 = x, + y$1 = y, + context = null; + + function link() { + var buffer, argv = slice.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); + if (!context) context = buffer = d3Path.path(); + curve(context, +x$1.apply(this, (argv[0] = s, argv)), +y$1.apply(this, argv), +x$1.apply(this, (argv[0] = t, argv)), +y$1.apply(this, argv)); + if (buffer) return context = null, buffer + "" || null; + } + + link.source = function(_) { + return arguments.length ? (source = _, link) : source; + }; + + link.target = function(_) { + return arguments.length ? (target = _, link) : target; + }; + + link.x = function(_) { + return arguments.length ? (x$1 = typeof _ === "function" ? _ : constant(+_), link) : x$1; + }; + + link.y = function(_) { + return arguments.length ? (y$1 = typeof _ === "function" ? _ : constant(+_), link) : y$1; + }; + + link.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), link) : context; + }; + + return link; +} + +function curveHorizontal(context, x0, y0, x1, y1) { + context.moveTo(x0, y0); + context.bezierCurveTo(x0 = (x0 + x1) / 2, y0, x0, y1, x1, y1); +} + +function curveVertical(context, x0, y0, x1, y1) { + context.moveTo(x0, y0); + context.bezierCurveTo(x0, y0 = (y0 + y1) / 2, x1, y0, x1, y1); +} + +function curveRadial(context, x0, y0, x1, y1) { + var p0 = pointRadial(x0, y0), + p1 = pointRadial(x0, y0 = (y0 + y1) / 2), + p2 = pointRadial(x1, y0), + p3 = pointRadial(x1, y1); + context.moveTo(p0[0], p0[1]); + context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]); +} + +function linkHorizontal() { + return link(curveHorizontal); +} + +function linkVertical() { + return link(curveVertical); +} + +function linkRadial() { + var l = link(curveRadial); + l.angle = l.x, delete l.x; + l.radius = l.y, delete l.y; + return l; +} + +var circle = { + draw: function(context, size) { + var r = Math.sqrt(size / pi); + context.moveTo(r, 0); + context.arc(0, 0, r, 0, tau); + } +}; + +var cross = { + draw: function(context, size) { + var r = Math.sqrt(size / 5) / 2; + context.moveTo(-3 * r, -r); + context.lineTo(-r, -r); + context.lineTo(-r, -3 * r); + context.lineTo(r, -3 * r); + context.lineTo(r, -r); + context.lineTo(3 * r, -r); + context.lineTo(3 * r, r); + context.lineTo(r, r); + context.lineTo(r, 3 * r); + context.lineTo(-r, 3 * r); + context.lineTo(-r, r); + context.lineTo(-3 * r, r); + context.closePath(); + } +}; + +var tan30 = Math.sqrt(1 / 3), + tan30_2 = tan30 * 2; + +var diamond = { + draw: function(context, size) { + var y = Math.sqrt(size / tan30_2), + x = y * tan30; + context.moveTo(0, -y); + context.lineTo(x, 0); + context.lineTo(0, y); + context.lineTo(-x, 0); + context.closePath(); + } +}; + +var ka = 0.89081309152928522810, + kr = Math.sin(pi / 10) / Math.sin(7 * pi / 10), + kx = Math.sin(tau / 10) * kr, + ky = -Math.cos(tau / 10) * kr; + +var star = { + draw: function(context, size) { + var r = Math.sqrt(size * ka), + x = kx * r, + y = ky * r; + context.moveTo(0, -r); + context.lineTo(x, y); + for (var i = 1; i < 5; ++i) { + var a = tau * i / 5, + c = Math.cos(a), + s = Math.sin(a); + context.lineTo(s * r, -c * r); + context.lineTo(c * x - s * y, s * x + c * y); + } + context.closePath(); + } +}; + +var square = { + draw: function(context, size) { + var w = Math.sqrt(size), + x = -w / 2; + context.rect(x, x, w, w); + } +}; + +var sqrt3 = Math.sqrt(3); + +var triangle = { + draw: function(context, size) { + var y = -Math.sqrt(size / (sqrt3 * 3)); + context.moveTo(0, y * 2); + context.lineTo(-sqrt3 * y, -y); + context.lineTo(sqrt3 * y, -y); + context.closePath(); + } +}; + +var c = -0.5, + s = Math.sqrt(3) / 2, + k = 1 / Math.sqrt(12), + a = (k / 2 + 1) * 3; + +var wye = { + draw: function(context, size) { + var r = Math.sqrt(size / a), + x0 = r / 2, + y0 = r * k, + x1 = x0, + y1 = r * k + r, + x2 = -x1, + y2 = y1; + context.moveTo(x0, y0); + context.lineTo(x1, y1); + context.lineTo(x2, y2); + context.lineTo(c * x0 - s * y0, s * x0 + c * y0); + context.lineTo(c * x1 - s * y1, s * x1 + c * y1); + context.lineTo(c * x2 - s * y2, s * x2 + c * y2); + context.lineTo(c * x0 + s * y0, c * y0 - s * x0); + context.lineTo(c * x1 + s * y1, c * y1 - s * x1); + context.lineTo(c * x2 + s * y2, c * y2 - s * x2); + context.closePath(); + } +}; + +var symbols = [ + circle, + cross, + diamond, + square, + star, + triangle, + wye +]; + +function symbol(type, size) { + var context = null; + type = typeof type === "function" ? type : constant(type || circle); + size = typeof size === "function" ? size : constant(size === undefined ? 64 : +size); + + function symbol() { + var buffer; + if (!context) context = buffer = d3Path.path(); + type.apply(this, arguments).draw(context, +size.apply(this, arguments)); + if (buffer) return context = null, buffer + "" || null; + } + + symbol.type = function(_) { + return arguments.length ? (type = typeof _ === "function" ? _ : constant(_), symbol) : type; + }; + + symbol.size = function(_) { + return arguments.length ? (size = typeof _ === "function" ? _ : constant(+_), symbol) : size; + }; + + symbol.context = function(_) { + return arguments.length ? (context = _ == null ? null : _, symbol) : context; + }; + + return symbol; +} + +function noop() {} + +function point$3(that, x, y) { + that._context.bezierCurveTo( + (2 * that._x0 + that._x1) / 3, + (2 * that._y0 + that._y1) / 3, + (that._x0 + 2 * that._x1) / 3, + (that._y0 + 2 * that._y1) / 3, + (that._x0 + 4 * that._x1 + x) / 6, + (that._y0 + 4 * that._y1 + y) / 6 + ); +} + +function Basis(context) { + this._context = context; +} + +Basis.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 3: point$3(this, this._x1, this._y1); // proceed + case 2: this._context.lineTo(this._x1, this._y1); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed + default: point$3(this, x, y); break; + } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + } }; -const icicle = (graph, app, currFile, modal, width, viewHeight) => { - const flatAdj = dfsFlatAdjList(graph, currFile.basename); - console.log({ flatAdj }); - const hier = d3_node.stratify()(flatAdj); - console.log({ hier }); - const format = d3_node.format(",d"); - const color = d3_node.scaleOrdinal(d3_node.quantize(d3_node.interpolateRainbow, hier.children.length + 1)); - const partition = (data) => { - const root = d3_node.hierarchy(data) - .sum((d) => d.value) - .sort((a, b) => b.height - a.height || b.value - a.value); - return d3_node.partition().size([viewHeight, ((root.height + 1) * width) / 3])(root); - }; - const root = partition(hier); - let focus = root; - const svg = d3_node.select(".d3-graph") - .append("svg") - .attr("height", viewHeight) - .attr("width", width) - .style("font", "10px sans-serif"); - const cell = svg - .selectAll("g") - .data(root.descendants()) - .join("g") - .attr("transform", (d) => `translate(${d.y0},${d.x0})`); - const rect = cell - .append("rect") - .attr("width", (d) => d.y1 - d.y0 - 1) - .attr("height", (d) => rectHeight(d)) - .attr("fill-opacity", 0.6) - .attr("fill", (d) => { - if (!d.depth) - return "#ccc"; - while (d.depth > 1) - d = d.parent; - return color(d.data.data.name); - }) - .style("cursor", "pointer") - .on("click", clicked); - const text = cell - .append("text") - .style("user-select", "none") - .attr("pointer-events", "none") - .attr("x", 4) - .attr("y", 13); - // .attr("fill-opacity", (d) => +labelVisible(d)); - text.append("tspan").text((d) => d.data.data.name); - const tspan = text - .append("tspan") - .attr("fill-opacity", (d) => (labelVisible(d) ? 1 : 0) * 0.7) - .text((d) => ` ${format(d.value)}`); - cell.append("title").text((d) => `${d.ancestors().map((d) => d.data.data.name) - // .reverse() - // .join("/")}\n${format(d.value) - }`); - function clicked(event, p) { - console.log({ p }); - focus = focus === p ? (p = p.parent) : p; - root.each((d) => { - d.target = { - x0: ((d.x0 - p.x0) / (p.x1 - p.x0)) * viewHeight, - x1: ((d.x1 - p.x0) / (p.x1 - p.x0)) * viewHeight, - y0: d.y0 - p.y0, - y1: d.y1 - p.y0, - }; - console.log(d.target.x0); - }); - const t = cell - .transition() - .duration(750) - .attr("transform", (d) => `translate(${d.target.y0},${d.target.x0})`); - rect.transition(t).attr("height", (d) => rectHeight(d.target)); - text.transition(t).attr("fill-opacity", (d) => +labelVisible(d.target)); - tspan - .transition(t) - .attr("fill-opacity", (d) => (labelVisible(d) ? 1 : 0) * 0.7); - } - function rectHeight(d) { - console.log({ d }); - return d.x1 - d.x0 - Math.min(1, (d.x1 - d.x0) / 2); - } - function labelVisible(d) { - return d.y1 <= width && d.y0 >= 0 && d.x1 - d.x0 > 16; - } +function basis(context) { + return new Basis(context); +} + +function BasisClosed(context) { + this._context = context; +} + +BasisClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x2, this._y2); + this._context.closePath(); + break; + } + case 2: { + this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); + this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x2, this._y2); + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + break; + } + } + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._x2 = x, this._y2 = y; break; + case 1: this._point = 2; this._x3 = x, this._y3 = y; break; + case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break; + default: point$3(this, x, y); break; + } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + } +}; + +function basisClosed(context) { + return new BasisClosed(context); +} + +function BasisOpen(context) { + this._context = context; +} + +BasisOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = NaN; + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; + case 3: this._point = 4; // proceed + default: point$3(this, x, y); break; + } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + } +}; + +function basisOpen(context) { + return new BasisOpen(context); +} + +class Bump { + constructor(context, x) { + this._context = context; + this._x = x; + } + areaStart() { + this._line = 0; + } + areaEnd() { + this._line = NaN; + } + lineStart() { + this._point = 0; + } + lineEnd() { + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + } + point(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: { + this._point = 1; + if (this._line) this._context.lineTo(x, y); + else this._context.moveTo(x, y); + break; + } + case 1: this._point = 2; // proceed + default: { + if (this._x) this._context.bezierCurveTo(this._x0 = (this._x0 + x) / 2, this._y0, this._x0, y, x, y); + else this._context.bezierCurveTo(this._x0, this._y0 = (this._y0 + y) / 2, x, this._y0, x, y); + break; + } + } + this._x0 = x, this._y0 = y; + } +} + +function bumpX(context) { + return new Bump(context, true); +} + +function bumpY(context) { + return new Bump(context, false); +} + +function Bundle(context, beta) { + this._basis = new Basis(context); + this._beta = beta; +} + +Bundle.prototype = { + lineStart: function() { + this._x = []; + this._y = []; + this._basis.lineStart(); + }, + lineEnd: function() { + var x = this._x, + y = this._y, + j = x.length - 1; + + if (j > 0) { + var x0 = x[0], + y0 = y[0], + dx = x[j] - x0, + dy = y[j] - y0, + i = -1, + t; + + while (++i <= j) { + t = i / j; + this._basis.point( + this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), + this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) + ); + } + } + + this._x = this._y = null; + this._basis.lineEnd(); + }, + point: function(x, y) { + this._x.push(+x); + this._y.push(+y); + } }; -const radialTree = (graph, app, currFile, modal, width, height) => { - const flatAdj = dfsFlatAdjList(graph, currFile.basename); - console.log({ flatAdj }); - const hierarchy = d3_node.stratify()(flatAdj); - console.log({ hierarchy }); - const svg = d3_node.select(".d3-graph") - .append("svg") - .attr("height", height) - .attr("width", width); - const root = d3_node.hierarchy(hierarchy, (d) => d.children) - .sum((d) => (d.children ? 0 : 1)) - .sort((a, b) => a.depth - b.depth); - const outerRadius = width / 2; - const innerRadius = outerRadius - 170; - const cluster = d3_node.cluster() - .size([360, innerRadius]) - .separation((a, b) => 1); - const color = d3_node.scaleOrdinal() - .domain(graph.nodes()) - .range(d3_node.schemeCategory10); - function maxLength(d) { - return d.data.data.depth + (d.children ? d3_node.max(d.children, maxLength) : 0); - } - function setRadius(d, y0, k) { - d.radius = (y0 += d.data.data.depth) * k; - if (d.children) - d.children.forEach((d) => setRadius(d, y0, k)); - } - function setColor(d) { - var name = d.data.data.name; - d.color = - color.domain().indexOf(name) >= 0 - ? color(name) - : d.parent - ? d.parent.color - : null; - if (d.children) - d.children.forEach(setColor); - } - function linkConstant(d) { - return linkStep(d.source.x, d.source.y, d.target.x, d.target.y); - } - function linkExtensionConstant(d) { - return linkStep(d.target.x, d.target.y, d.target.x, innerRadius); - } - function linkStep(startAngle, startRadius, endAngle, endRadius) { - const c0 = Math.cos((startAngle = ((startAngle - 90) / 180) * Math.PI)); - const s0 = Math.sin(startAngle); - const c1 = Math.cos((endAngle = ((endAngle - 90) / 180) * Math.PI)); - const s1 = Math.sin(endAngle); - return ("M" + - startRadius * c0 + - "," + - startRadius * s0 + - (endAngle === startAngle - ? "" - : "A" + - startRadius + - "," + - startRadius + - " 0 0 " + - (endAngle > startAngle ? 1 : 0) + - " " + - startRadius * c1 + - "," + - startRadius * s1) + - "L" + - endRadius * c1 + - "," + - endRadius * s1); - } - const legend = (svg) => { - const g = svg - .selectAll("g") - .data(color.domain()) - .join("g") - .attr("transform", (d, i) => `translate(${-outerRadius},${-outerRadius + i * 20})`); - g.append("rect").attr("width", 18).attr("height", 18).attr("fill", color); - g.append("text") - .attr("x", 24) - .attr("y", 9) - .attr("dy", "0.35em") - .text((d) => d); - }; - cluster(root); - setRadius(root, (root.data.data.depth = 0), innerRadius / maxLength(root)); - setColor(root); - svg.append("g").call(legend); - svg.append("style").text(` - -.link--active { -stroke: #000 !important; -stroke-width: 1.5px; -} - -.link-extension--active { -stroke-opacity: .6; -} - -.label--active { -font-weight: bold; -} - -`); - const linkExtension = svg - .append("g") - .attr("fill", "none") - .attr("stroke", "#000") - .attr("stroke-opacity", 0.25) - .selectAll("path") - .data(root.links().filter((d) => !d.target.children)) - .join("path") - .each(function (d) { - d.target.linkExtensionNode = this; - }) - .attr("d", linkExtensionConstant); - const link = svg - .append("g") - .attr("fill", "none") - .attr("stroke", "#000") - .selectAll("path") - .data(root.links()) - .join("path") - .each(function (d) { - d.target.linkNode = this; - }) - .attr("d", linkConstant) - .attr("stroke", (d) => d.target.color); - const label = svg - .append("g") - .selectAll("text") - .data(root.leaves()) - .join("text") - .attr("dy", ".31em") - .attr("transform", (d) => `rotate(${d.x - 90}) translate(${innerRadius + 4},0)${d.x < 180 ? "" : " rotate(180)"}`) - .attr("text-anchor", (d) => (d.x < 180 ? "start" : "end")) - .text((d) => d.data.data.name) - .on("mouseover", mouseovered(true)) - .on("mouseout", mouseovered(false)); - // function update(checked) { - // const t = d3.transition().duration(750); - // linkExtension - // .transition(t) - // .attr("d", checked ? linkExtensionVariable : linkExtensionConstant); - // link.transition(t).attr("d", checked ? linkVariable : linkConstant); - // } - function mouseovered(active) { - return function (event, d) { - d3_node.select(this).classed("label--active", active); - d3_node.select(d.linkExtensionNode) - .classed("link-extension--active", active) - .raise(); - do - d3_node.select(d.linkNode).classed("link--active", active).raise(); - while ((d = d.parent)); - }; - } - function zoomed({ transform }) { - linkExtension.attr("transform", transform); - link.attr("transform", transform); - label.attr("transform", transform); - } - svg.call(d3_node.zoom() - .extent([ - [0, 0], - [width, height], - ]) - .scaleExtent([0.5, 8]) - .on("zoom", zoomed)); +var bundle = (function custom(beta) { + + function bundle(context) { + return beta === 1 ? new Basis(context) : new Bundle(context, beta); + } + + bundle.beta = function(beta) { + return custom(+beta); + }; + + return bundle; +})(0.85); + +function point$2(that, x, y) { + that._context.bezierCurveTo( + that._x1 + that._k * (that._x2 - that._x0), + that._y1 + that._k * (that._y2 - that._y0), + that._x2 + that._k * (that._x1 - x), + that._y2 + that._k * (that._y1 - y), + that._x2, + that._y2 + ); +} + +function Cardinal(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; +} + +Cardinal.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x2, this._y2); break; + case 3: point$2(this, this._x1, this._y1); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; this._x1 = x, this._y1 = y; break; + case 2: this._point = 3; // proceed + default: point$2(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } +}; + +var cardinal = (function custom(tension) { + + function cardinal(context) { + return new Cardinal(context, tension); + } + + cardinal.tension = function(tension) { + return custom(+tension); + }; + + return cardinal; +})(0); + +function CardinalClosed(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; +} + +CardinalClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 2: { + this._context.lineTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + this.point(this._x5, this._y5); + break; + } + } + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._x3 = x, this._y3 = y; break; + case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; + case 2: this._point = 3; this._x5 = x, this._y5 = y; break; + default: point$2(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } }; -const sunburst = (graph, app, currFile, modal, width, height) => { - const flatAdj = dfsFlatAdjList(graph, currFile.basename); - console.log({ flatAdj }); - const hierarchy = d3_node.stratify()(flatAdj); - console.log({ hierarchy }); - var radius = Math.min(width, height) / 2; // < -- 2 - var color = d3_node.scaleOrdinal(d3_node.schemeCategory10); - var g = d3_node.select("svg") // <-- 1 - .attr("width", width) // <-- 2 - .attr("height", height) - .append("g") // <-- 3 - .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")"); // <-- 4 - var g = d3_node.select("svg") // returns a handle to the element - .attr("width", width) // sets the width of and then returns the element again - .attr("height", height) // (same as width) - .append("g") // adds a element to the element. It returns the element - .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")"); // takes the element and moves the [0,0] center over and down - var g = d3_node.select("svg") // --> - .attr("width", width) // --> - .attr("height", height) // --> - .append("g") // --> - .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")"); // --> - var partition = d3_node.partition() // <-- 1 - .size([2 * Math.PI, radius]); // <-- 2 - var root = d3_node.hierarchy(hierarchy) // <-- 1 - .sum(function (d) { - return d.height; - }); // <-- 2 - partition(root); // <-- 1 - var arc = d3_node.arc() // <-- 2 - .startAngle(function (d) { - return d.x0; - }) - .endAngle(function (d) { - return d.x1; - }) - .innerRadius(function (d) { - return d.y0; - }) - .outerRadius(function (d) { - return d.y1; - }); - g.selectAll("path") // <-- 1 - .data(root.descendants()) // <-- 2 - .enter() // <-- 3 - .append("path") // <-- 4 - .attr("display", function (d) { - return d.depth ? null : "none"; - }) // <-- 5 - .attr("d", arc) // <-- 6 - .style("stroke", "#fff") // <-- 7 - .style("fill", function (d) { - return color((d.children ? d : d.parent).data.name); - }); // <-- 8 +var cardinalClosed = (function custom(tension) { + + function cardinal(context) { + return new CardinalClosed(context, tension); + } + + cardinal.tension = function(tension) { + return custom(+tension); + }; + + return cardinal; +})(0); + +function CardinalOpen(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; +} + +CardinalOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 3: this._point = 4; // proceed + default: point$2(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } +}; + +var cardinalOpen = (function custom(tension) { + + function cardinal(context) { + return new CardinalOpen(context, tension); + } + + cardinal.tension = function(tension) { + return custom(+tension); + }; + + return cardinal; +})(0); + +function point$1(that, x, y) { + var x1 = that._x1, + y1 = that._y1, + x2 = that._x2, + y2 = that._y2; + + if (that._l01_a > epsilon) { + var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, + n = 3 * that._l01_a * (that._l01_a + that._l12_a); + x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; + y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; + } + + if (that._l23_a > epsilon) { + var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, + m = 3 * that._l23_a * (that._l23_a + that._l12_a); + x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; + y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; + } + + that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); +} + +function CatmullRom(context, alpha) { + this._context = context; + this._alpha = alpha; +} + +CatmullRom.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x2, this._y2); break; + case 3: this.point(this._x2, this._y2); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } + + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; // proceed + default: point$1(this, x, y); break; + } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } }; -const tidyTree = (graph, app, currFile, modal, width, height) => { - // const adjList: AdjListItem[] = bfsAdjList(graph, currFile.basename); - // console.log({ adjList }); - // const noDoubles = [...adjList]; - // noDoubles.forEach((a, i, list) => { - // if (list.some((b, j) => i !== j && a.parentId === b.parentId)) { - // noDoubles.splice(i, 1); - // } - // }); - // console.log({ noDoubles }); - const tree = (data) => { - const root = d3_node.hierarchy(data); - root.dx = 10; - root.dy = width / (root.height + 1); - return d3_node.tree().nodeSize([root.dx, root.dy])(root); - }; - const flatAdj = dfsFlatAdjList(graph, currFile.basename); - console.log({ flatAdj }); - const hierarchy = d3_node.stratify()(flatAdj); - console.log({ hierarchy }); - const root = tree(hierarchy); - console.log(root); - let x0 = Infinity; - let x1 = -x0; - root.each((d) => { - if (d.x > x1) - x1 = d.x; - if (d.x < x0) - x0 = d.x; - }); - const svg = d3_node.select(".d3-graph") - .append("svg") - .attr("height", height) - .attr("width", width); - const g = svg - .append("g") - .attr("font-family", "sans-serif") - .attr("font-size", 10) - .attr("transform", `translate(${root.dy / 3},${root.dx - x0})`); - g - .append("g") - .attr("fill", "none") - .attr("stroke", "#555") - .attr("stroke-opacity", 0.4) - .attr("stroke-width", 1.5) - .selectAll("path") - .data(root.links()) - .join("path") - .attr("d", d3_node.linkHorizontal() - .x((d) => d.y) - .y((d) => d.x)); - const node = g - .append("g") - .attr("stroke-linejoin", "round") - .attr("stroke-width", 10) - .selectAll("g") - .data(root.descendants()) - .join("g") - .attr("transform", (d) => `translate(${d.y},${d.x})`); - node - .append("circle") - .attr("fill", (d) => (d.children ? "#555" : "#999")) - .attr("r", 10); - node.attr("aria-label", (d) => { - console.log(d); - return d.data.data.name; - }); - const nodeClick = (event, dest) => { - openOrSwitch(app, dest, event); - modal.close(); - }; - node.on("click", (event, d) => { - console.log({ d }); - nodeClick(event, d.data.data.name); - }); - node - .append("text") - .attr("dy", "0.31em") - .attr("x", (d) => (d.children ? -6 : 6)) - .attr("text-anchor", (d) => (d.children ? "end" : "start")) - .text((d) => d.data.data.name) - .clone(true) - .lower() - .attr("stroke", "white"); - function zoomed({ transform }) { - svg.attr("transform", transform); - } - svg.call(d3_node.zoom() - .extent([ - [0, 0], - [width, height], - ]) - .scaleExtent([0.5, 8]) - .on("zoom", zoomed)); +var catmullRom = (function custom(alpha) { + + function catmullRom(context) { + return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); + } + + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; + + return catmullRom; +})(0.5); + +function CatmullRomClosed(context, alpha) { + this._context = context; + this._alpha = alpha; +} + +CatmullRomClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 2: { + this._context.lineTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + this.point(this._x5, this._y5); + break; + } + } + }, + point: function(x, y) { + x = +x, y = +y; + + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } + + switch (this._point) { + case 0: this._point = 1; this._x3 = x, this._y3 = y; break; + case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; + case 2: this._point = 3; this._x5 = x, this._y5 = y; break; + default: point$1(this, x, y); break; + } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } }; -const treeMap = (graph, app, currFile, modal, width, height) => { - const flatAdj = dfsFlatAdjList(graph, currFile.basename); - console.log({ flatAdj }); - const hierarchy = d3_node.stratify()(flatAdj); - console.log({ hierarchy }); - const root = d3_node.treemap() - .tile(d3_node.treemapBinary) - .size([width, height]) - .padding(1) - .round(true)(hierarchy.sum((d) => d.height).sort((a, b) => b.height - a.height)); - // const root = treemap(data); - const svg = d3_node.select(".d3-graph") - .append("svg") - .attr("height", height) - .attr("width", width) - .style("font", "10px sans-serif"); - const leaf = svg - .selectAll("g") - .data(root.leaves()) - .join("g") - .attr("transform", (d) => `translate(${d.x0},${d.y0})`); - leaf.attr("aria-label", (d) => d.data.name); - // leaf.append("title").text( - // (d) => - // `${d - // .ancestors() - // .reverse() - // .map((d) => d.data.id) - // .join("/")}\n${format(d.height)}` - // ); - const color = d3_node.scaleOrdinal(d3_node.schemeCategory10); - leaf - .append("rect") - // .attr("id", (d) => (d.leafUid = DOM.uid("leaf")).id) - .attr("fill", (d) => { - while (d.depth > 1) - d = d.parent; - return color(d.data.id); - }) - .attr("fill-opacity", 0.6) - .attr("width", (d) => d.x1 - d.x0) - .attr("height", (d) => d.y1 - d.y0); - leaf - .append("clipPath") - // .attr("id", (d) => (d.clipUid = DOM.uid("clip")).id) - .append("use"); - // .attr("xlink:href", (d) => d.leafUid.href); - // leaf - // .append("text") - // .attr("clip-path", (d) => d.clipUid) - // .selectAll("tspan") - // .data((d) => { - // console.log({ d }); - // return d.data.name.split(/(?=[A-Z][^A-Z])/g).concat(format(d.height)); - // }) - // .join("tspan") - // .attr("x", 3) - // .attr( - // "y", - // (d, i, nodes) => `${(i === nodes.length - 1) * 0.3 + 1.1 + i * 0.9}em` - // ) - // .attr("fill-opacity", (d, i, nodes) => - // i === nodes.length - 1 ? 0.7 : null - // ); - // // .text((d) => d); - const nodeClick = (event, dest) => { - openOrSwitch(app, dest, event); - modal.close(); - }; - leaf.on("click", (event, d) => { - console.log({ d }); - nodeClick(event, d.data.name); - }); - function zoomed({ transform }) { - svg.attr("transform", transform); - } - svg.call(d3_node.zoom() - .extent([ - [0, 0], - [width, height], - ]) - .scaleExtent([0.5, 8]) - .on("zoom", zoomed)); +var catmullRomClosed = (function custom(alpha) { + + function catmullRom(context) { + return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); + } + + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; + + return catmullRom; +})(0.5); + +function CatmullRomOpen(context, alpha) { + this._context = context; + this._alpha = alpha; +} + +CatmullRomOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } + + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 3: this._point = 4; // proceed + default: point$1(this, x, y); break; + } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } }; -/* src\Components\VisComp.svelte generated by Svelte v3.35.0 */ +var catmullRomOpen = (function custom(alpha) { -function get_each_context$3(ctx, list, i) { - const child_ctx = ctx.slice(); - child_ctx[20] = list[i]; - child_ctx[21] = list; - child_ctx[22] = i; - return child_ctx; + function catmullRom(context) { + return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); + } + + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; + + return catmullRom; +})(0.5); + +function LinearClosed(context) { + this._context = context; } -function get_each_context_1$3(ctx, list, i) { - const child_ctx = ctx.slice(); - child_ctx[23] = list[i]; - return child_ctx; +LinearClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._point) this._context.closePath(); + }, + point: function(x, y) { + x = +x, y = +y; + if (this._point) this._context.lineTo(x, y); + else this._point = 1, this._context.moveTo(x, y); + } +}; + +function linearClosed(context) { + return new LinearClosed(context); } -// (163:8) {#each selector.options as op} -function create_each_block_1$3(ctx) { - let option; - let t_value = /*op*/ ctx[23] + ""; - let t; - let option_value_value; +function sign(x) { + return x < 0 ? -1 : 1; +} - return { - c() { - option = element("option"); - t = text(t_value); - option.__value = option_value_value = /*op*/ ctx[23]; - option.value = option.__value; - }, - m(target, anchor) { - insert(target, option, anchor); - append(option, t); - }, - p(ctx, dirty) { - if (dirty & /*selectors*/ 1 && t_value !== (t_value = /*op*/ ctx[23] + "")) set_data(t, t_value); +// Calculate the slopes of the tangents (Hermite-type interpolation) based on +// the following paper: Steffen, M. 1990. A Simple Method for Monotonic +// Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. +// NOV(II), P. 443, 1990. +function slope3(that, x2, y2) { + var h0 = that._x1 - that._x0, + h1 = x2 - that._x1, + s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), + s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), + p = (s0 * h1 + s1 * h0) / (h0 + h1); + return (sign(s0) + sign(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; +} - if (dirty & /*selectors*/ 1 && option_value_value !== (option_value_value = /*op*/ ctx[23])) { - option.__value = option_value_value; - option.value = option.__value; - } - }, - d(detaching) { - if (detaching) detach(option); - } - }; +// Calculate a one-sided slope. +function slope2(that, t) { + var h = that._x1 - that._x0; + return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; } -// (153:2) {#each selectors as selector} -function create_each_block$3(ctx) { - let span; - let t0_value = /*selector*/ ctx[20].text + ""; - let t0; - let t1; - let select; - let select_value_value; - let t2; - let mounted; - let dispose; - let each_value_1 = /*selector*/ ctx[20].options; - let each_blocks = []; +// According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations +// "you can express cubic Hermite interpolation in terms of cubic Bézier curves +// with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". +function point(that, t0, t1) { + var x0 = that._x0, + y0 = that._y0, + x1 = that._x1, + y1 = that._y1, + dx = (x1 - x0) / 3; + that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); +} - for (let i = 0; i < each_value_1.length; i += 1) { - each_blocks[i] = create_each_block_1$3(get_each_context_1$3(ctx, each_value_1, i)); - } +function MonotoneX(context) { + this._context = context; +} - function change_handler(...args) { - return /*change_handler*/ ctx[3](/*selector*/ ctx[20], /*each_value*/ ctx[21], /*selector_index*/ ctx[22], ...args); - } +MonotoneX.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = + this._t0 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x1, this._y1); break; + case 3: point(this, this._t0, slope2(this, this._t0)); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + var t1 = NaN; - return { - c() { - span = element("span"); - t0 = text(t0_value); - t1 = text(":\r\n \r\n "); - select = element("select"); + x = +x, y = +y; + if (x === this._x1 && y === this._y1) return; // Ignore coincident points. + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; point(this, slope2(this, t1 = slope3(this, x, y)), t1); break; + default: point(this, this._t0, t1 = slope3(this, x, y)); break; + } - for (let i = 0; i < each_blocks.length; i += 1) { - each_blocks[i].c(); - } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + this._t0 = t1; + } +}; - t2 = space(); - }, - m(target, anchor) { - insert(target, span, anchor); - append(span, t0); - append(span, t1); - append(span, select); +function MonotoneY(context) { + this._context = new ReflectContext(context); +} - for (let i = 0; i < each_blocks.length; i += 1) { - each_blocks[i].m(select, null); - } +(MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { + MonotoneX.prototype.point.call(this, y, x); +}; + +function ReflectContext(context) { + this._context = context; +} + +ReflectContext.prototype = { + moveTo: function(x, y) { this._context.moveTo(y, x); }, + closePath: function() { this._context.closePath(); }, + lineTo: function(x, y) { this._context.lineTo(y, x); }, + bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } +}; + +function monotoneX(context) { + return new MonotoneX(context); +} + +function monotoneY(context) { + return new MonotoneY(context); +} + +function Natural(context) { + this._context = context; +} + +Natural.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x = []; + this._y = []; + }, + lineEnd: function() { + var x = this._x, + y = this._y, + n = x.length; + + if (n) { + this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); + if (n === 2) { + this._context.lineTo(x[1], y[1]); + } else { + var px = controlPoints(x), + py = controlPoints(y); + for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { + this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); + } + } + } - select_option(select, /*selector*/ ctx[20].val); - append(span, t2); + if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); + this._line = 1 - this._line; + this._x = this._y = null; + }, + point: function(x, y) { + this._x.push(+x); + this._y.push(+y); + } +}; - if (!mounted) { - dispose = listen(select, "change", change_handler); - mounted = true; - } - }, - p(new_ctx, dirty) { - ctx = new_ctx; - if (dirty & /*selectors*/ 1 && t0_value !== (t0_value = /*selector*/ ctx[20].text + "")) set_data(t0, t0_value); +// See https://www.particleincell.com/2012/bezier-splines/ for derivation. +function controlPoints(x) { + var i, + n = x.length - 1, + m, + a = new Array(n), + b = new Array(n), + r = new Array(n); + a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; + for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; + a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; + for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; + a[n - 1] = r[n - 1] / b[n - 1]; + for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; + b[n - 1] = (x[n] + a[n - 1]) / 2; + for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; + return [a, b]; +} - if (dirty & /*selectors*/ 1) { - each_value_1 = /*selector*/ ctx[20].options; - let i; +function natural(context) { + return new Natural(context); +} - for (i = 0; i < each_value_1.length; i += 1) { - const child_ctx = get_each_context_1$3(ctx, each_value_1, i); +function Step(context, t) { + this._context = context; + this._t = t; +} - if (each_blocks[i]) { - each_blocks[i].p(child_ctx, dirty); - } else { - each_blocks[i] = create_each_block_1$3(child_ctx); - each_blocks[i].c(); - each_blocks[i].m(select, null); - } - } +Step.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x = this._y = NaN; + this._point = 0; + }, + lineEnd: function() { + if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; // proceed + default: { + if (this._t <= 0) { + this._context.lineTo(this._x, y); + this._context.lineTo(x, y); + } else { + var x1 = this._x * (1 - this._t) + x * this._t; + this._context.lineTo(x1, this._y); + this._context.lineTo(x1, y); + } + break; + } + } + this._x = x, this._y = y; + } +}; - for (; i < each_blocks.length; i += 1) { - each_blocks[i].d(1); - } +function step(context) { + return new Step(context, 0.5); +} - each_blocks.length = each_value_1.length; - } +function stepBefore(context) { + return new Step(context, 0); +} - if (dirty & /*selectors*/ 1 && select_value_value !== (select_value_value = /*selector*/ ctx[20].val)) { - select_option(select, /*selector*/ ctx[20].val); - } - }, - d(detaching) { - if (detaching) detach(span); - destroy_each(each_blocks, detaching); - mounted = false; - dispose(); - } - }; +function stepAfter(context) { + return new Step(context, 1); } -function create_fragment$3(ctx) { - let div0; - let t; - let div1; - let each_value = /*selectors*/ ctx[0]; - let each_blocks = []; +function none$1(series, order) { + if (!((n = series.length) > 1)) return; + for (var i = 1, j, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { + s0 = s1, s1 = series[order[i]]; + for (j = 0; j < m; ++j) { + s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; + } + } +} - for (let i = 0; i < each_value.length; i += 1) { - each_blocks[i] = create_each_block$3(get_each_context$3(ctx, each_value, i)); - } +function none(series) { + var n = series.length, o = new Array(n); + while (--n >= 0) o[n] = n; + return o; +} - return { - c() { - div0 = element("div"); +function stackValue(d, key) { + return d[key]; +} - for (let i = 0; i < each_blocks.length; i += 1) { - each_blocks[i].c(); - } +function stackSeries(key) { + const series = []; + series.key = key; + return series; +} - t = space(); - div1 = element("div"); - attr(div1, "class", "d3-graph"); - }, - m(target, anchor) { - insert(target, div0, anchor); +function stack() { + var keys = constant([]), + order = none, + offset = none$1, + value = stackValue; - for (let i = 0; i < each_blocks.length; i += 1) { - each_blocks[i].m(div0, null); - } + function stack(data) { + var sz = Array.from(keys.apply(this, arguments), stackSeries), + i, n = sz.length, j = -1, + oz; - insert(target, t, anchor); - insert(target, div1, anchor); - }, - p(ctx, [dirty]) { - if (dirty & /*selectors*/ 1) { - each_value = /*selectors*/ ctx[0]; - let i; + for (const d of data) { + for (i = 0, ++j; i < n; ++i) { + (sz[i][j] = [0, +value(d, sz[i].key, j, data)]).data = d; + } + } - for (i = 0; i < each_value.length; i += 1) { - const child_ctx = get_each_context$3(ctx, each_value, i); + for (i = 0, oz = array(order(sz)); i < n; ++i) { + sz[oz[i]].index = i; + } - if (each_blocks[i]) { - each_blocks[i].p(child_ctx, dirty); - } else { - each_blocks[i] = create_each_block$3(child_ctx); - each_blocks[i].c(); - each_blocks[i].m(div0, null); - } - } + offset(sz, oz); + return sz; + } - for (; i < each_blocks.length; i += 1) { - each_blocks[i].d(1); - } + stack.keys = function(_) { + return arguments.length ? (keys = typeof _ === "function" ? _ : constant(Array.from(_)), stack) : keys; + }; - each_blocks.length = each_value.length; - } - }, - i: noop, - o: noop, - d(detaching) { - if (detaching) detach(div0); - destroy_each(each_blocks, detaching); - if (detaching) detach(t); - if (detaching) detach(div1); - } - }; -} + stack.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant(+_), stack) : value; + }; -function instance$3($$self, $$props, $$invalidate) { - let argArr; - - - let { modal } = $$props; - let { settings } = $$props; - const { app } = modal; - const { plugin } = modal; - const currFile = app.workspace.getActiveFile(); + stack.order = function(_) { + return arguments.length ? (order = _ == null ? none : typeof _ === "function" ? _ : constant(Array.from(_)), stack) : order; + }; - const selectors = [ - { - text: "Type", - options: VISTYPES, - val: settings.visGraph - }, - { - text: "Relation", - options: RELATIONS, - val: settings.visRelation - }, - { - text: "Close Implied", - options: REAlCLOSED, - val: settings.visClosed - }, - { - text: "No Unlinked", - options: ALLUNLINKED, - val: settings.visAll - } - ]; + stack.offset = function(_) { + return arguments.length ? (offset = _ == null ? none$1 : _, stack) : offset; + }; - const [width, height] = [Math.round(window.innerWidth / 1.3), Math.round(window.innerHeight / 1.3)]; - const { mainG } = plugin; + return stack; +} - const [up, same, down] = [ - getSubInDirs(mainG, "up"), - getSubInDirs(mainG, "same"), - getSubInDirs(mainG, "down") - ]; +function expand(series, order) { + if (!((n = series.length) > 0)) return; + for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { + for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; + if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; + } + none$1(series, order); +} - const [closedParentNoSingle, closedSiblingNoSingle, closedChildNoSingle] = [ - closeImpliedLinks(up, down), - closeImpliedLinks(same, same), - closeImpliedLinks(down, up) - ]; +function diverging(series, order) { + if (!((n = series.length) > 0)) return; + for (var i, j = 0, d, dy, yp, yn, n, m = series[order[0]].length; j < m; ++j) { + for (yp = yn = 0, i = 0; i < n; ++i) { + if ((dy = (d = series[order[i]][j])[1] - d[0]) > 0) { + d[0] = yp, d[1] = yp += dy; + } else if (dy < 0) { + d[1] = yn, d[0] = yn += dy; + } else { + d[0] = 0, d[1] = dy; + } + } + } +} - const graphs = { - Parent: { - Real: { - All: up, - "No Unlinked": removeUnlinkedNodes(up) - }, - Closed: { - All: closedParentNoSingle, - "No Unlinked": removeUnlinkedNodes(closedParentNoSingle) - } - }, - Sibling: { - Real: { - All: same, - "No Unlinked": removeUnlinkedNodes(same) - }, - Closed: { - All: closedSiblingNoSingle, - "No Unlinked": removeUnlinkedNodes(closedSiblingNoSingle) - } - }, - Child: { - Real: { - All: down, - "No Unlinked": removeUnlinkedNodes(down) - }, - Closed: { - All: closedChildNoSingle, - "No Unlinked": removeUnlinkedNodes(closedChildNoSingle) - } - } - }; +function silhouette(series, order) { + if (!((n = series.length) > 0)) return; + for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { + for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; + s0[j][1] += s0[j][0] = -y / 2; + } + none$1(series, order); +} - const types = { - "Force Directed Graph": { fun: forceDirectedG }, - "Tidy Tree": { fun: tidyTree }, - "Circle Packing": { fun: circlePacking }, - "Edge Bundling": { fun: edgeBundling }, - "Arc Diagram": { fun: arcDiagram }, - Sunburst: { fun: sunburst }, - "Tree Map": { fun: treeMap }, - Icicle: { fun: icicle }, - "Radial Tree": { fun: radialTree } - }; +function wiggle(series, order) { + if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; + for (var y = 0, j = 1, s0, m, n; j < m; ++j) { + for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { + var si = series[order[i]], + sij0 = si[j][1] || 0, + sij1 = si[j - 1][1] || 0, + s3 = (sij0 - sij1) / 2; + for (var k = 0; k < i; ++k) { + var sk = series[order[k]], + skj0 = sk[j][1] || 0, + skj1 = sk[j - 1][1] || 0; + s3 += skj0 - skj1; + } + s1 += sij0, s2 += s3 * sij0; + } + s0[j - 1][1] += s0[j - 1][0] = y; + if (s1) y -= s2 / s1; + } + s0[j - 1][1] += s0[j - 1][0] = y; + none$1(series, order); +} - function draw(type) { - var _a; +function appearance(series) { + var peaks = series.map(peak); + return none(series).sort(function(a, b) { return peaks[a] - peaks[b]; }); +} - if (!document.querySelector(".d3-graph")) { - setTimeout( - () => { - var _a; +function peak(series) { + var i = -1, j = 0, n = series.length, vi, vj = -Infinity; + while (++i < n) if ((vi = +series[i][1]) > vj) vj = vi, j = i; + return j; +} - (_a = document.querySelector(".d3-graph")) === null || _a === void 0 - ? void 0 - : _a.empty(); +function ascending(series) { + var sums = series.map(sum); + return none(series).sort(function(a, b) { return sums[a] - sums[b]; }); +} - try { - types[type].fun(...argArr); - } catch(error) { - console.log(error); - } - }, - 10 - ); - } else { - (_a = document.querySelector(".d3-graph")) === null || _a === void 0 - ? void 0 - : _a.empty(); +function sum(series) { + var s = 0, i = -1, n = series.length, v; + while (++i < n) if (v = +series[i][1]) s += v; + return s; +} - try { - types[type].fun(...argArr); - } catch(error) { - console.log(error); - } - } - } +function descending(series) { + return ascending(series).reverse(); +} - const change_handler = (selector, each_value, selector_index, el) => { - $$invalidate(0, each_value[selector_index].val = el.target.value, selectors); - }; +function insideOut(series) { + var n = series.length, + i, + j, + sums = series.map(sum), + order = appearance(series), + top = 0, + bottom = 0, + tops = [], + bottoms = []; - $$self.$$set = $$props => { - if ("modal" in $$props) $$invalidate(1, modal = $$props.modal); - if ("settings" in $$props) $$invalidate(2, settings = $$props.settings); - }; + for (i = 0; i < n; ++i) { + j = order[i]; + if (top < bottom) { + top += sums[j]; + tops.push(j); + } else { + bottom += sums[j]; + bottoms.push(j); + } + } - $$self.$$.update = () => { - if ($$self.$$.dirty & /*selectors, modal*/ 3) { - argArr = [ - graphs[selectors[1].val][selectors[2].val][selectors[3].val], - app, - currFile, - modal, - width, - height - ]; - } + return bottoms.reverse().concat(tops); +} + +function reverse(series) { + return none(series).reverse(); +} + +exports.arc = arc; +exports.area = area; +exports.areaRadial = areaRadial; +exports.curveBasis = basis; +exports.curveBasisClosed = basisClosed; +exports.curveBasisOpen = basisOpen; +exports.curveBumpX = bumpX; +exports.curveBumpY = bumpY; +exports.curveBundle = bundle; +exports.curveCardinal = cardinal; +exports.curveCardinalClosed = cardinalClosed; +exports.curveCardinalOpen = cardinalOpen; +exports.curveCatmullRom = catmullRom; +exports.curveCatmullRomClosed = catmullRomClosed; +exports.curveCatmullRomOpen = catmullRomOpen; +exports.curveLinear = curveLinear; +exports.curveLinearClosed = linearClosed; +exports.curveMonotoneX = monotoneX; +exports.curveMonotoneY = monotoneY; +exports.curveNatural = natural; +exports.curveStep = step; +exports.curveStepAfter = stepAfter; +exports.curveStepBefore = stepBefore; +exports.line = line; +exports.lineRadial = lineRadial$1; +exports.linkHorizontal = linkHorizontal; +exports.linkRadial = linkRadial; +exports.linkVertical = linkVertical; +exports.pie = pie; +exports.pointRadial = pointRadial; +exports.radialArea = areaRadial; +exports.radialLine = lineRadial$1; +exports.stack = stack; +exports.stackOffsetDiverging = diverging; +exports.stackOffsetExpand = expand; +exports.stackOffsetNone = none$1; +exports.stackOffsetSilhouette = silhouette; +exports.stackOffsetWiggle = wiggle; +exports.stackOrderAppearance = appearance; +exports.stackOrderAscending = ascending; +exports.stackOrderDescending = descending; +exports.stackOrderInsideOut = insideOut; +exports.stackOrderNone = none; +exports.stackOrderReverse = reverse; +exports.symbol = symbol; +exports.symbolCircle = circle; +exports.symbolCross = cross; +exports.symbolDiamond = diamond; +exports.symbolSquare = square; +exports.symbolStar = star; +exports.symbolTriangle = triangle; +exports.symbolWye = wye; +exports.symbols = symbols; - if ($$self.$$.dirty & /*selectors*/ 1) { - draw(selectors[0].val); - } - }; +Object.defineProperty(exports, '__esModule', { value: true }); - return [selectors, modal, settings, change_handler]; -} +}))); +}); -class VisComp extends SvelteComponent { - constructor(options) { - super(); - init(this, options, instance$3, create_fragment$3, safe_not_equal, { modal: 1, settings: 2 }); - } +var d3Zoom = createCommonjsModule(function (module, exports) { +// https://d3js.org/d3-zoom/ v2.0.0 Copyright 2020 Mike Bostock +(function (global, factory) { +factory(exports, d3Dispatch, d3Drag, d3Interpolate, d3Selection, d3Transition) ; +}(commonjsGlobal, (function (exports, d3Dispatch, d3Drag, d3Interpolate, d3Selection, d3Transition) { +var constant = x => () => x; + +function ZoomEvent(type, { + sourceEvent, + target, + transform, + dispatch +}) { + Object.defineProperties(this, { + type: {value: type, enumerable: true, configurable: true}, + sourceEvent: {value: sourceEvent, enumerable: true, configurable: true}, + target: {value: target, enumerable: true, configurable: true}, + transform: {value: transform, enumerable: true, configurable: true}, + _: {value: dispatch} + }); } -function graphlibToD3(g) { - const d3Graph = { nodes: [], links: [] }; - const edgeIDs = {}; - g.nodes().forEach((node, i) => { - d3Graph.nodes.push({ id: i, name: node }); - edgeIDs[node] = i; - }); - g.forEachEdge((k, a, s, t) => { - d3Graph.links.push({ - source: edgeIDs[s], - target: edgeIDs[t], - }); - }); - return d3Graph; -} -function bfsAdjList(g, startNode) { - const queue = [startNode]; - const adjList = []; - let i = 0; - while (queue.length && i < 1000) { - i++; - const currNode = queue.shift(); - const neighbours = { - succs: getOutNeighbours(g, currNode), - pres: getInNeighbours(g, currNode), - }; - console.log({ currNode, neighbours }); - const next = { - name: currNode, - pres: undefined, - succs: undefined, - parentId: i, - depth: i, - }; - if (neighbours.succs.length) { - next.succs = neighbours.succs; - queue.push(...neighbours.succs); - } - if (neighbours.pres.length) { - next.pres = neighbours.pres; - } - adjList.push(next); - } - const maxDepth = adjList.sort((a, b) => a.depth - b.depth).last().depth; - adjList.forEach((item) => (item.height = maxDepth - item.depth)); - return adjList; -} -function dfsFlatAdjList(g, startNode) { - const nodes = g.nodes(); - const nodeCount = nodes.length; - const visits = {}; - nodes.forEach((node, i) => { - visits[node] = nodeCount * i; - }); - const queue = [startNode]; - const adjList = []; - let depth = 1; - let i = 0; - while (queue.length && i < 1000) { - i++; - const currNode = queue.shift(); - const next = getOutNeighbours(g, currNode); - if (next.length) { - queue.unshift(...next); - next.forEach((succ) => { - const parentId = nodeCount * nodes.indexOf(succ); - if (!adjList.some((adjItem) => adjItem.name === currNode && adjItem.parentId === parentId)) { - adjList.push({ - id: visits[currNode], - name: currNode, - parentId, - depth, - }); - visits[currNode]++; - } - }); - depth++; - } - else { - adjList.push({ - id: visits[currNode], - name: currNode, - parentId: 999999999, - depth, - }); - depth = 1; - visits[currNode]++; - } - } - adjList.push({ - id: 999999999, - name: "CONTAINER", - parentId: undefined, - depth: 0, - }); - const maxDepth = adjList.sort((a, b) => a.depth - b.depth).last().depth; - adjList.forEach((item) => (item.height = maxDepth - item.depth)); - console.log({ visits }); - return adjList; -} -d3_node.stratify() - .id(function (d) { - console.log({ d }); - return d.name; -}) - .parentId(function (d) { - return d.parentId; -}); -class VisModal extends obsidian.Modal { - constructor(app, plugin) { - super(app); - this.plugin = plugin; - this.modal = this; - } - onOpen() { - new obsidian.Notice("Alot of these features may not work, it is still very experimental."); - const { contentEl } = this; - contentEl.empty(); - new VisComp({ - target: contentEl, - props: { - modal: this, - settings: this.plugin.settings, - }, - }); - } - onClose() { - this.contentEl.empty(); - } +function Transform(k, x, y) { + this.k = k; + this.x = x; + this.y = y; } -/* src\Components\NextPrev.svelte generated by Svelte v3.35.0 */ +Transform.prototype = { + constructor: Transform, + scale: function(k) { + return k === 1 ? this : new Transform(this.k * k, this.x, this.y); + }, + translate: function(x, y) { + return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y); + }, + apply: function(point) { + return [point[0] * this.k + this.x, point[1] * this.k + this.y]; + }, + applyX: function(x) { + return x * this.k + this.x; + }, + applyY: function(y) { + return y * this.k + this.y; + }, + invert: function(location) { + return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k]; + }, + invertX: function(x) { + return (x - this.x) / this.k; + }, + invertY: function(y) { + return (y - this.y) / this.k; + }, + rescaleX: function(x) { + return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x)); + }, + rescaleY: function(y) { + return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y)); + }, + toString: function() { + return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")"; + } +}; -function add_css$2() { - var style = element("style"); - style.id = "svelte-1cqb0v5-style"; - style.textContent = ".BC-nexts.svelte-1cqb0v5 div.svelte-1cqb0v5{text-align:right}.BC-right-arrow.svelte-1cqb0v5.svelte-1cqb0v5{padding-left:5px;float:right}.BC-left-arrow.svelte-1cqb0v5.svelte-1cqb0v5{padding-right:5px;float:left}.BC-nexts.svelte-1cqb0v5.svelte-1cqb0v5{border-left:1px solid var(--background-modifier-border)}.BC-prevs.svelte-1cqb0v5.svelte-1cqb0v5{border-right:1px solid var(--background-modifier-border)}.BC-NextPrev-Container.svelte-1cqb0v5.svelte-1cqb0v5{display:grid;grid-template-columns:1fr 1fr}"; - append(document.head, style); +var identity = new Transform(1, 0, 0); + +transform.prototype = Transform.prototype; + +function transform(node) { + while (!node.__zoom) if (!(node = node.parentNode)) return identity; + return node.__zoom; } -function get_each_context$2(ctx, list, i) { - const child_ctx = ctx.slice(); - child_ctx[6] = list[i]; - return child_ctx; +function nopropagation(event) { + event.stopImmediatePropagation(); } -function get_each_context_1$2(ctx, list, i) { - const child_ctx = ctx.slice(); - child_ctx[9] = list[i]; - return child_ctx; +function noevent(event) { + event.preventDefault(); + event.stopImmediatePropagation(); } -// (15:6) {#each prev as p} -function create_each_block_1$2(ctx) { - let div; - let strong; - let t0_value = /*p*/ ctx[9].field + ""; - let t0; - let t1; - let t2_value = /*p*/ ctx[9].to + ""; - let t2; - let t3; - let div_class_value; - let mounted; - let dispose; +// Ignore right-click, since that should open the context menu. +// except for pinch-to-zoom, which is sent as a wheel+ctrlKey event +function defaultFilter(event) { + return (!event.ctrlKey || event.type === 'wheel') && !event.button; +} + +function defaultExtent() { + var e = this; + if (e instanceof SVGElement) { + e = e.ownerSVGElement || e; + if (e.hasAttribute("viewBox")) { + e = e.viewBox.baseVal; + return [[e.x, e.y], [e.x + e.width, e.y + e.height]]; + } + return [[0, 0], [e.width.baseVal.value, e.height.baseVal.value]]; + } + return [[0, 0], [e.clientWidth, e.clientHeight]]; +} - function click_handler(...args) { - return /*click_handler*/ ctx[4](/*p*/ ctx[9], ...args); - } +function defaultTransform() { + return this.__zoom || identity; +} - return { - c() { - div = element("div"); - strong = element("strong"); - t0 = text(t0_value); - t1 = space(); - t2 = text(t2_value); - t3 = space(); - attr(div, "class", div_class_value = "" + (null_to_empty(linkClass(/*app*/ ctx[0], /*p*/ ctx[9].to, /*p*/ ctx[9].real)) + " svelte-1cqb0v5")); - }, - m(target, anchor) { - insert(target, div, anchor); - append(div, strong); - append(strong, t0); - append(div, t1); - append(div, t2); - append(div, t3); +function defaultWheelDelta(event) { + return -event.deltaY * (event.deltaMode === 1 ? 0.05 : event.deltaMode ? 1 : 0.002) * (event.ctrlKey ? 10 : 1); +} - if (!mounted) { - dispose = listen(div, "click", click_handler); - mounted = true; - } - }, - p(new_ctx, dirty) { - ctx = new_ctx; - if (dirty & /*prev*/ 4 && t0_value !== (t0_value = /*p*/ ctx[9].field + "")) set_data(t0, t0_value); - if (dirty & /*prev*/ 4 && t2_value !== (t2_value = /*p*/ ctx[9].to + "")) set_data(t2, t2_value); +function defaultTouchable() { + return navigator.maxTouchPoints || ("ontouchstart" in this); +} - if (dirty & /*app, prev*/ 5 && div_class_value !== (div_class_value = "" + (null_to_empty(linkClass(/*app*/ ctx[0], /*p*/ ctx[9].to, /*p*/ ctx[9].real)) + " svelte-1cqb0v5"))) { - attr(div, "class", div_class_value); - } - }, - d(detaching) { - if (detaching) detach(div); - mounted = false; - dispose(); - } - }; +function defaultConstrain(transform, extent, translateExtent) { + var dx0 = transform.invertX(extent[0][0]) - translateExtent[0][0], + dx1 = transform.invertX(extent[1][0]) - translateExtent[1][0], + dy0 = transform.invertY(extent[0][1]) - translateExtent[0][1], + dy1 = transform.invertY(extent[1][1]) - translateExtent[1][1]; + return transform.translate( + dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1), + dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1) + ); } -// (28:6) {#each next as n} -function create_each_block$2(ctx) { - let div; - let t0_value = /*n*/ ctx[6].to + ""; - let t0; - let t1; - let strong; - let t2_value = /*n*/ ctx[6].field + ""; - let t2; - let t3; - let div_class_value; - let mounted; - let dispose; +function zoom() { + var filter = defaultFilter, + extent = defaultExtent, + constrain = defaultConstrain, + wheelDelta = defaultWheelDelta, + touchable = defaultTouchable, + scaleExtent = [0, Infinity], + translateExtent = [[-Infinity, -Infinity], [Infinity, Infinity]], + duration = 250, + interpolate = d3Interpolate.interpolateZoom, + listeners = d3Dispatch.dispatch("start", "zoom", "end"), + touchstarting, + touchfirst, + touchending, + touchDelay = 500, + wheelDelay = 150, + clickDistance2 = 0, + tapDistance = 10; - function click_handler_1(...args) { - return /*click_handler_1*/ ctx[5](/*n*/ ctx[6], ...args); - } + function zoom(selection) { + selection + .property("__zoom", defaultTransform) + .on("wheel.zoom", wheeled) + .on("mousedown.zoom", mousedowned) + .on("dblclick.zoom", dblclicked) + .filter(touchable) + .on("touchstart.zoom", touchstarted) + .on("touchmove.zoom", touchmoved) + .on("touchend.zoom touchcancel.zoom", touchended) + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); + } - return { - c() { - div = element("div"); - t0 = text(t0_value); - t1 = space(); - strong = element("strong"); - t2 = text(t2_value); - t3 = space(); - attr(div, "class", div_class_value = "" + (linkClass(/*app*/ ctx[0], /*n*/ ctx[6].to, /*n*/ ctx[6].real) + " BC-next" + " svelte-1cqb0v5")); - }, - m(target, anchor) { - insert(target, div, anchor); - append(div, t0); - append(div, t1); - append(div, strong); - append(strong, t2); - append(div, t3); + zoom.transform = function(collection, transform, point, event) { + var selection = collection.selection ? collection.selection() : collection; + selection.property("__zoom", defaultTransform); + if (collection !== selection) { + schedule(collection, transform, point, event); + } else { + selection.interrupt().each(function() { + gesture(this, arguments) + .event(event) + .start() + .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) + .end(); + }); + } + }; - if (!mounted) { - dispose = listen(div, "click", click_handler_1); - mounted = true; - } - }, - p(new_ctx, dirty) { - ctx = new_ctx; - if (dirty & /*next*/ 2 && t0_value !== (t0_value = /*n*/ ctx[6].to + "")) set_data(t0, t0_value); - if (dirty & /*next*/ 2 && t2_value !== (t2_value = /*n*/ ctx[6].field + "")) set_data(t2, t2_value); + zoom.scaleBy = function(selection, k, p, event) { + zoom.scaleTo(selection, function() { + var k0 = this.__zoom.k, + k1 = typeof k === "function" ? k.apply(this, arguments) : k; + return k0 * k1; + }, p, event); + }; - if (dirty & /*app, next*/ 3 && div_class_value !== (div_class_value = "" + (linkClass(/*app*/ ctx[0], /*n*/ ctx[6].to, /*n*/ ctx[6].real) + " BC-next" + " svelte-1cqb0v5"))) { - attr(div, "class", div_class_value); - } - }, - d(detaching) { - if (detaching) detach(div); - mounted = false; - dispose(); - } - }; -} + zoom.scaleTo = function(selection, k, p, event) { + zoom.transform(selection, function() { + var e = extent.apply(this, arguments), + t0 = this.__zoom, + p0 = p == null ? centroid(e) : typeof p === "function" ? p.apply(this, arguments) : p, + p1 = t0.invert(p0), + k1 = typeof k === "function" ? k.apply(this, arguments) : k; + return constrain(translate(scale(t0, k1), p0, p1), e, translateExtent); + }, p, event); + }; -function create_fragment$2(ctx) { - let div2; - let div0; - let span0; - let t; - let div1; - let span1; - let each_value_1 = /*prev*/ ctx[2]; - let each_blocks_1 = []; + zoom.translateBy = function(selection, x, y, event) { + zoom.transform(selection, function() { + return constrain(this.__zoom.translate( + typeof x === "function" ? x.apply(this, arguments) : x, + typeof y === "function" ? y.apply(this, arguments) : y + ), extent.apply(this, arguments), translateExtent); + }, null, event); + }; - for (let i = 0; i < each_value_1.length; i += 1) { - each_blocks_1[i] = create_each_block_1$2(get_each_context_1$2(ctx, each_value_1, i)); - } + zoom.translateTo = function(selection, x, y, p, event) { + zoom.transform(selection, function() { + var e = extent.apply(this, arguments), + t = this.__zoom, + p0 = p == null ? centroid(e) : typeof p === "function" ? p.apply(this, arguments) : p; + return constrain(identity.translate(p0[0], p0[1]).scale(t.k).translate( + typeof x === "function" ? -x.apply(this, arguments) : -x, + typeof y === "function" ? -y.apply(this, arguments) : -y + ), e, translateExtent); + }, p, event); + }; - let each_value = /*next*/ ctx[1]; - let each_blocks = []; + function scale(transform, k) { + k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], k)); + return k === transform.k ? transform : new Transform(k, transform.x, transform.y); + } - for (let i = 0; i < each_value.length; i += 1) { - each_blocks[i] = create_each_block$2(get_each_context$2(ctx, each_value, i)); - } + function translate(transform, p0, p1) { + var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k; + return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y); + } - return { - c() { - div2 = element("div"); - div0 = element("div"); - span0 = element("span"); + function centroid(extent) { + return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; + } - for (let i = 0; i < each_blocks_1.length; i += 1) { - each_blocks_1[i].c(); - } + function schedule(transition, transform, point, event) { + transition + .on("start.zoom", function() { gesture(this, arguments).event(event).start(); }) + .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).event(event).end(); }) + .tween("zoom", function() { + var that = this, + args = arguments, + g = gesture(that, args).event(event), + e = extent.apply(that, args), + p = point == null ? centroid(e) : typeof point === "function" ? point.apply(that, args) : point, + w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), + a = that.__zoom, + b = typeof transform === "function" ? transform.apply(that, args) : transform, + i = interpolate(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); + return function(t) { + if (t === 1) t = b; // Avoid rounding error on end. + else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } + g.zoom(null, t); + }; + }); + } + + function gesture(that, args, clean) { + return (!clean && that.__zooming) || new Gesture(that, args); + } - t = space(); - div1 = element("div"); - span1 = element("span"); + function Gesture(that, args) { + this.that = that; + this.args = args; + this.active = 0; + this.sourceEvent = null; + this.extent = extent.apply(that, args); + this.taps = 0; + } - for (let i = 0; i < each_blocks.length; i += 1) { - each_blocks[i].c(); - } + Gesture.prototype = { + event: function(event) { + if (event) this.sourceEvent = event; + return this; + }, + start: function() { + if (++this.active === 1) { + this.that.__zooming = this; + this.emit("start"); + } + return this; + }, + zoom: function(key, transform) { + if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]); + if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); + if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); + this.that.__zoom = transform; + this.emit("zoom"); + return this; + }, + end: function() { + if (--this.active === 0) { + delete this.that.__zooming; + this.emit("end"); + } + return this; + }, + emit: function(type) { + var d = d3Selection.select(this.that).datum(); + listeners.call( + type, + this.that, + new ZoomEvent(type, { + sourceEvent: this.sourceEvent, + target: zoom, + type, + transform: this.that.__zoom, + dispatch: listeners + }), + d + ); + } + }; - attr(div0, "class", "BC-prevs svelte-1cqb0v5"); - attr(div1, "class", "BC-nexts svelte-1cqb0v5"); - attr(div2, "class", "BC-NextPrev-Container svelte-1cqb0v5"); - }, - m(target, anchor) { - insert(target, div2, anchor); - append(div2, div0); - append(div0, span0); + function wheeled(event, ...args) { + if (!filter.apply(this, arguments)) return; + var g = gesture(this, args).event(event), + t = this.__zoom, + k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], t.k * Math.pow(2, wheelDelta.apply(this, arguments)))), + p = d3Selection.pointer(event); - for (let i = 0; i < each_blocks_1.length; i += 1) { - each_blocks_1[i].m(span0, null); - } + // If the mouse is in the same location as before, reuse it. + // If there were recent wheel events, reset the wheel idle timeout. + if (g.wheel) { + if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) { + g.mouse[1] = t.invert(g.mouse[0] = p); + } + clearTimeout(g.wheel); + } - append(div2, t); - append(div2, div1); - append(div1, span1); + // If this wheel event won’t trigger a transform change, ignore it. + else if (t.k === k) return; - for (let i = 0; i < each_blocks.length; i += 1) { - each_blocks[i].m(span1, null); - } - }, - p(ctx, [dirty]) { - if (dirty & /*linkClass, app, prev, openOrSwitch*/ 5) { - each_value_1 = /*prev*/ ctx[2]; - let i; + // Otherwise, capture the mouse point and location at the start. + else { + g.mouse = [p, t.invert(p)]; + d3Transition.interrupt(this); + g.start(); + } - for (i = 0; i < each_value_1.length; i += 1) { - const child_ctx = get_each_context_1$2(ctx, each_value_1, i); + noevent(event); + g.wheel = setTimeout(wheelidled, wheelDelay); + g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent, translateExtent)); - if (each_blocks_1[i]) { - each_blocks_1[i].p(child_ctx, dirty); - } else { - each_blocks_1[i] = create_each_block_1$2(child_ctx); - each_blocks_1[i].c(); - each_blocks_1[i].m(span0, null); - } - } + function wheelidled() { + g.wheel = null; + g.end(); + } + } - for (; i < each_blocks_1.length; i += 1) { - each_blocks_1[i].d(1); - } + function mousedowned(event, ...args) { + if (touchending || !filter.apply(this, arguments)) return; + var g = gesture(this, args, true).event(event), + v = d3Selection.select(event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), + p = d3Selection.pointer(event, currentTarget), + currentTarget = event.currentTarget, + x0 = event.clientX, + y0 = event.clientY; - each_blocks_1.length = each_value_1.length; - } + d3Drag.dragDisable(event.view); + nopropagation(event); + g.mouse = [p, this.__zoom.invert(p)]; + d3Transition.interrupt(this); + g.start(); - if (dirty & /*linkClass, app, next, openOrSwitch*/ 3) { - each_value = /*next*/ ctx[1]; - let i; + function mousemoved(event) { + noevent(event); + if (!g.moved) { + var dx = event.clientX - x0, dy = event.clientY - y0; + g.moved = dx * dx + dy * dy > clickDistance2; + } + g.event(event) + .zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = d3Selection.pointer(event, currentTarget), g.mouse[1]), g.extent, translateExtent)); + } - for (i = 0; i < each_value.length; i += 1) { - const child_ctx = get_each_context$2(ctx, each_value, i); + function mouseupped(event) { + v.on("mousemove.zoom mouseup.zoom", null); + d3Drag.dragEnable(event.view, g.moved); + noevent(event); + g.event(event).end(); + } + } - if (each_blocks[i]) { - each_blocks[i].p(child_ctx, dirty); - } else { - each_blocks[i] = create_each_block$2(child_ctx); - each_blocks[i].c(); - each_blocks[i].m(span1, null); - } - } + function dblclicked(event, ...args) { + if (!filter.apply(this, arguments)) return; + var t0 = this.__zoom, + p0 = d3Selection.pointer(event.changedTouches ? event.changedTouches[0] : event, this), + p1 = t0.invert(p0), + k1 = t0.k * (event.shiftKey ? 0.5 : 2), + t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, args), translateExtent); - for (; i < each_blocks.length; i += 1) { - each_blocks[i].d(1); - } + noevent(event); + if (duration > 0) d3Selection.select(this).transition().duration(duration).call(schedule, t1, p0, event); + else d3Selection.select(this).call(zoom.transform, t1, p0, event); + } - each_blocks.length = each_value.length; - } - }, - i: noop, - o: noop, - d(detaching) { - if (detaching) detach(div2); - destroy_each(each_blocks_1, detaching); - destroy_each(each_blocks, detaching); - } - }; -} + function touchstarted(event, ...args) { + if (!filter.apply(this, arguments)) return; + var touches = event.touches, + n = touches.length, + g = gesture(this, args, event.changedTouches.length === n).event(event), + started, i, t, p; -function instance$2($$self, $$props, $$invalidate) { - - - - let { app } = $$props; - let { plugin } = $$props; - let { next } = $$props; - let { prev } = $$props; - const click_handler = async (p, e) => openOrSwitch(app, p.to, e); - const click_handler_1 = async (n, e) => openOrSwitch(app, n.to, e); + nopropagation(event); + for (i = 0; i < n; ++i) { + t = touches[i], p = d3Selection.pointer(t, this); + p = [p, this.__zoom.invert(p), t.identifier]; + if (!g.touch0) g.touch0 = p, started = true, g.taps = 1 + !!touchstarting; + else if (!g.touch1 && g.touch0[2] !== p[2]) g.touch1 = p, g.taps = 0; + } - $$self.$$set = $$props => { - if ("app" in $$props) $$invalidate(0, app = $$props.app); - if ("plugin" in $$props) $$invalidate(3, plugin = $$props.plugin); - if ("next" in $$props) $$invalidate(1, next = $$props.next); - if ("prev" in $$props) $$invalidate(2, prev = $$props.prev); - }; + if (touchstarting) touchstarting = clearTimeout(touchstarting); - return [app, next, prev, plugin, click_handler, click_handler_1]; -} + if (started) { + if (g.taps < 2) touchfirst = p[0], touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); + d3Transition.interrupt(this); + g.start(); + } + } -class NextPrev extends SvelteComponent { - constructor(options) { - super(); - if (!document.getElementById("svelte-1cqb0v5-style")) add_css$2(); - init(this, options, instance$2, create_fragment$2, safe_not_equal, { app: 0, plugin: 3, next: 1, prev: 2 }); - } -} + function touchmoved(event, ...args) { + if (!this.__zooming) return; + var g = gesture(this, args).event(event), + touches = event.changedTouches, + n = touches.length, i, t, p, l; + + noevent(event); + for (i = 0; i < n; ++i) { + t = touches[i], p = d3Selection.pointer(t, this); + if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; + else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; + } + t = g.that.__zoom; + if (g.touch1) { + var p0 = g.touch0[0], l0 = g.touch0[1], + p1 = g.touch1[0], l1 = g.touch1[1], + dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp, + dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl; + t = scale(t, Math.sqrt(dp / dl)); + p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2]; + l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2]; + } + else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; + else return; -/* src\Components\TrailGrid.svelte generated by Svelte v3.35.0 */ + g.zoom("touch", constrain(translate(t, p, l), g.extent, translateExtent)); + } -function add_css$1() { - var style = element("style"); - style.id = "svelte-ybyqyo-style"; - style.textContent = "div.BC-trail-grid.svelte-ybyqyo{border:2px solid var(--background-modifier-border);display:grid;align-items:stretch;width:auto;height:auto}div.BC-trail-grid-item.svelte-ybyqyo{display:flex;flex-direction:column;border:1px solid var(--background-modifier-border);align-items:center;justify-content:center;padding:2px;font-size:smaller}div.BC-trail-grid-item.BC-filler.svelte-ybyqyo{opacity:0.7}.dot.svelte-ybyqyo{height:5px;width:5px;border-radius:50%;display:inline-block}"; - append(document.head, style); -} + function touchended(event, ...args) { + if (!this.__zooming) return; + var g = gesture(this, args).event(event), + touches = event.changedTouches, + n = touches.length, i, t; -function get_each_context$1(ctx, list, i) { - const child_ctx = ctx.slice(); - child_ctx[21] = list[i]; - child_ctx[23] = i; - return child_ctx; -} + nopropagation(event); + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, touchDelay); + for (i = 0; i < n; ++i) { + t = touches[i]; + if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; + else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; + } + if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; + if (g.touch0) g.touch0[1] = this.__zoom.invert(g.touch0[0]); + else { + g.end(); + // If this was a dbltap, reroute to the (optional) dblclick.zoom handler. + if (g.taps === 2) { + t = d3Selection.pointer(t, this); + if (Math.hypot(touchfirst[0] - t[0], touchfirst[1] - t[1]) < tapDistance) { + var p = d3Selection.select(this).on("dblclick.zoom"); + if (p) p.apply(this, arguments); + } + } + } + } -function get_each_context_1$1(ctx, list, i) { - const child_ctx = ctx.slice(); - child_ctx[24] = list[i]; - return child_ctx; -} + zoom.wheelDelta = function(_) { + return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant(+_), zoom) : wheelDelta; + }; -function get_each_context_2(ctx, list, i) { - const child_ctx = ctx.slice(); - child_ctx[23] = list[i]; - return child_ctx; -} + zoom.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant(!!_), zoom) : filter; + }; -// (82:8) {#if step.value && settings.gridDots} -function create_if_block$1(ctx) { - let div; - let each_value_2 = lodash.range(Math.floor(/*wordCounts*/ ctx[2][/*step*/ ctx[24].value] / 1000)); - let each_blocks = []; + zoom.touchable = function(_) { + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant(!!_), zoom) : touchable; + }; - for (let i = 0; i < each_value_2.length; i += 1) { - each_blocks[i] = create_each_block_2(get_each_context_2(ctx, each_value_2, i)); - } + zoom.extent = function(_) { + return arguments.length ? (extent = typeof _ === "function" ? _ : constant([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; + }; - return { - c() { - div = element("div"); + zoom.scaleExtent = function(_) { + return arguments.length ? (scaleExtent[0] = +_[0], scaleExtent[1] = +_[1], zoom) : [scaleExtent[0], scaleExtent[1]]; + }; - for (let i = 0; i < each_blocks.length; i += 1) { - each_blocks[i].c(); - } + zoom.translateExtent = function(_) { + return arguments.length ? (translateExtent[0][0] = +_[0][0], translateExtent[1][0] = +_[1][0], translateExtent[0][1] = +_[0][1], translateExtent[1][1] = +_[1][1], zoom) : [[translateExtent[0][0], translateExtent[0][1]], [translateExtent[1][0], translateExtent[1][1]]]; + }; - attr(div, "class", "dots"); - }, - m(target, anchor) { - insert(target, div, anchor); + zoom.constrain = function(_) { + return arguments.length ? (constrain = _, zoom) : constrain; + }; - for (let i = 0; i < each_blocks.length; i += 1) { - each_blocks[i].m(div, null); - } - }, - p(ctx, dirty) { - if (dirty & /*settings, wordCounts*/ 20) { - each_value_2 = lodash.range(Math.floor(/*wordCounts*/ ctx[2][/*step*/ ctx[24].value] / 1000)); - let i; + zoom.duration = function(_) { + return arguments.length ? (duration = +_, zoom) : duration; + }; - for (i = 0; i < each_value_2.length; i += 1) { - const child_ctx = get_each_context_2(ctx, each_value_2, i); + zoom.interpolate = function(_) { + return arguments.length ? (interpolate = _, zoom) : interpolate; + }; - if (each_blocks[i]) { - each_blocks[i].p(child_ctx, dirty); - } else { - each_blocks[i] = create_each_block_2(child_ctx); - each_blocks[i].c(); - each_blocks[i].m(div, null); - } - } + zoom.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? zoom : value; + }; - for (; i < each_blocks.length; i += 1) { - each_blocks[i].d(1); - } + zoom.clickDistance = function(_) { + return arguments.length ? (clickDistance2 = (_ = +_) * _, zoom) : Math.sqrt(clickDistance2); + }; - each_blocks.length = each_value_2.length; - } - }, - d(detaching) { - if (detaching) detach(div); - destroy_each(each_blocks, detaching); - } - }; + zoom.tapDistance = function(_) { + return arguments.length ? (tapDistance = +_, zoom) : tapDistance; + }; + + return zoom; } -// (84:12) {#each range(Math.floor(wordCounts[step.value] / 1000)) as i} -function create_each_block_2(ctx) { - let span; +exports.zoom = zoom; +exports.zoomIdentity = identity; +exports.zoomTransform = transform; - return { - c() { - span = element("span"); - attr(span, "class", "dot svelte-ybyqyo"); - set_style(span, "background-color", /*settings*/ ctx[4].dotsColour); - }, - m(target, anchor) { - insert(target, span, anchor); - }, - p: noop, - d(detaching) { - if (detaching) detach(span); - } - }; -} +Object.defineProperty(exports, '__esModule', { value: true }); -// (65:4) {#each allRuns[i] as step} -function create_each_block_1$1(ctx) { - let div1; - let div0; - let t0_value = /*step*/ ctx[24].value + ""; - let t0; - let div0_class_value; - let t1; - let t2; - let div1_class_value; - let div1_style_value; - let mounted; - let dispose; - let if_block = /*step*/ ctx[24].value && /*settings*/ ctx[4].gridDots && create_if_block$1(ctx); +}))); +}); - function click_handler(...args) { - return /*click_handler*/ ctx[9](/*step*/ ctx[24], ...args); - } +var d3_node = createCommonjsModule(function (module, exports) { + +Object.defineProperty(exports, '__esModule', { value: true }); - function mouseover_handler(...args) { - return /*mouseover_handler*/ ctx[10](/*step*/ ctx[24], ...args); - } - return { - c() { - div1 = element("div"); - div0 = element("div"); - t0 = text(t0_value); - t1 = space(); - if (if_block) if_block.c(); - t2 = space(); - attr(div0, "class", div0_class_value = "" + (null_to_empty(linkClass(/*app*/ ctx[1], /*step*/ ctx[24].value)) + " svelte-ybyqyo")); - attr(div1, "class", div1_class_value = "BC-trail-grid-item " + (/*step*/ ctx[24].value === "" ? "BC-filler" : "") + " svelte-ybyqyo"); - attr(div1, "style", div1_style_value = "\r\n grid-area: " + (/*step*/ ctx[24].first + 1) + " / " + (/*i*/ ctx[23] + 1) + " / \r\n " + (/*step*/ ctx[24].last + 2) + " / " + (/*i*/ ctx[23] + 2) + ";\r\n " + (/*settings*/ ctx[4].gridHeatmap - ? `background-color: ${/*settings*/ ctx[4].heatmapColour}${Math.round(/*children*/ ctx[3][/*step*/ ctx[24].value] * 200 + 55).toString(16)}` - : "")); - }, - m(target, anchor) { - insert(target, div1, anchor); - append(div1, div0); - append(div0, t0); - append(div1, t1); - if (if_block) if_block.m(div1, null); - append(div1, t2); - if (!mounted) { - dispose = [ - listen(div1, "click", click_handler), - listen(div1, "mouseover", mouseover_handler) - ]; - mounted = true; - } - }, - p(new_ctx, dirty) { - ctx = new_ctx; - if (dirty & /*app*/ 2 && div0_class_value !== (div0_class_value = "" + (null_to_empty(linkClass(/*app*/ ctx[1], /*step*/ ctx[24].value)) + " svelte-ybyqyo"))) { - attr(div0, "class", div0_class_value); - } - if (/*step*/ ctx[24].value && /*settings*/ ctx[4].gridDots) if_block.p(ctx, dirty); - if (dirty & /*children*/ 8 && div1_style_value !== (div1_style_value = "\r\n grid-area: " + (/*step*/ ctx[24].first + 1) + " / " + (/*i*/ ctx[23] + 1) + " / \r\n " + (/*step*/ ctx[24].last + 2) + " / " + (/*i*/ ctx[23] + 2) + ";\r\n " + (/*settings*/ ctx[4].gridHeatmap - ? `background-color: ${/*settings*/ ctx[4].heatmapColour}${Math.round(/*children*/ ctx[3][/*step*/ ctx[24].value] * 200 + 55).toString(16)}` - : ""))) { - attr(div1, "style", div1_style_value); - } - }, - d(detaching) { - if (detaching) detach(div1); - if (if_block) if_block.d(); - mounted = false; - run_all(dispose); - } - }; -} -// (64:2) {#each transposedTrails as col, i} -function create_each_block$1(ctx) { - let each_1_anchor; - let each_value_1 = /*allRuns*/ ctx[7][/*i*/ ctx[23]]; - let each_blocks = []; - for (let i = 0; i < each_value_1.length; i += 1) { - each_blocks[i] = create_each_block_1$1(get_each_context_1$1(ctx, each_value_1, i)); - } - return { - c() { - for (let i = 0; i < each_blocks.length; i += 1) { - each_blocks[i].c(); - } - each_1_anchor = empty(); - }, - m(target, anchor) { - for (let i = 0; i < each_blocks.length; i += 1) { - each_blocks[i].m(target, anchor); - } - insert(target, each_1_anchor, anchor); - }, - p(ctx, dirty) { - if (dirty & /*allRuns, settings, Math, children, openOrSwitch, app, hoverPreview, activeLeafView, range, wordCounts, linkClass*/ 190) { - each_value_1 = /*allRuns*/ ctx[7][/*i*/ ctx[23]]; - let i; - for (i = 0; i < each_value_1.length; i += 1) { - const child_ctx = get_each_context_1$1(ctx, each_value_1, i); - if (each_blocks[i]) { - each_blocks[i].p(child_ctx, dirty); - } else { - each_blocks[i] = create_each_block_1$1(child_ctx); - each_blocks[i].c(); - each_blocks[i].m(each_1_anchor.parentNode, each_1_anchor); - } - } - for (; i < each_blocks.length; i += 1) { - each_blocks[i].d(1); - } - each_blocks.length = each_value_1.length; - } - }, - d(detaching) { - destroy_each(each_blocks, detaching); - if (detaching) detach(each_1_anchor); - } - }; -} -function create_fragment$1(ctx) { - let div; - let each_value = /*transposedTrails*/ ctx[6]; - let each_blocks = []; - for (let i = 0; i < each_value.length; i += 1) { - each_blocks[i] = create_each_block$1(get_each_context$1(ctx, each_value, i)); - } - return { - c() { - div = element("div"); - for (let i = 0; i < each_blocks.length; i += 1) { - each_blocks[i].c(); - } - attr(div, "class", "BC-trail-grid svelte-ybyqyo"); - set_style(div, "grid-template-columns", ("1fr ").repeat(/*transposedTrails*/ ctx[6].length)); - set_style(div, "grid-template-rows", ("1fr ").repeat(/*sortedTrails*/ ctx[0].length)); - }, - m(target, anchor) { - insert(target, div, anchor); - for (let i = 0; i < each_blocks.length; i += 1) { - each_blocks[i].m(div, null); - } - }, - p(ctx, [dirty]) { - if (dirty & /*allRuns, settings, Math, children, openOrSwitch, app, hoverPreview, activeLeafView, range, wordCounts, linkClass*/ 190) { - each_value = /*transposedTrails*/ ctx[6]; - let i; - for (i = 0; i < each_value.length; i += 1) { - const child_ctx = get_each_context$1(ctx, each_value, i); - if (each_blocks[i]) { - each_blocks[i].p(child_ctx, dirty); - } else { - each_blocks[i] = create_each_block$1(child_ctx); - each_blocks[i].c(); - each_blocks[i].m(div, null); - } - } - for (; i < each_blocks.length; i += 1) { - each_blocks[i].d(1); - } - each_blocks.length = each_value.length; - } - if (dirty & /*sortedTrails*/ 1) { - set_style(div, "grid-template-rows", ("1fr ").repeat(/*sortedTrails*/ ctx[0].length)); - } - }, - i: noop, - o: noop, - d(detaching) { - if (detaching) detach(div); - destroy_each(each_blocks, detaching); + + + + +var version = "6.7.0"; + +exports.version = version; +Object.keys(d3Array).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Array[k]; + } + }); +}); +Object.keys(d3Axis).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Axis[k]; + } + }); +}); +Object.keys(d3Brush).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Brush[k]; + } + }); +}); +Object.keys(d3Chord).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Chord[k]; + } + }); +}); +Object.keys(d3Color).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Color[k]; + } + }); +}); +Object.keys(d3Contour).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Contour[k]; + } + }); +}); +Object.keys(d3Delaunay).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Delaunay[k]; + } + }); +}); +Object.keys(d3Dispatch).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Dispatch[k]; + } + }); +}); +Object.keys(d3Drag).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Drag[k]; + } + }); +}); +Object.keys(d3Dsv).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Dsv[k]; + } + }); +}); +Object.keys(d3Ease).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Ease[k]; + } + }); +}); +Object.keys(d3Fetch).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Fetch[k]; + } + }); +}); +Object.keys(d3Force).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Force[k]; + } + }); +}); +Object.keys(d3Format).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Format[k]; + } + }); +}); +Object.keys(d3Geo).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Geo[k]; + } + }); +}); +Object.keys(d3Hierarchy).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Hierarchy[k]; + } + }); +}); +Object.keys(d3Interpolate).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Interpolate[k]; + } + }); +}); +Object.keys(d3Path).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Path[k]; + } + }); +}); +Object.keys(d3Polygon).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Polygon[k]; + } + }); +}); +Object.keys(d3Quadtree).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Quadtree[k]; + } + }); +}); +Object.keys(d3Random).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Random[k]; + } + }); +}); +Object.keys(d3Scale).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Scale[k]; } - }; -} - -function instance$1($$self, $$props, $$invalidate) { - - - let { sortedTrails } = $$props; - let { app } = $$props; - let { plugin } = $$props; - const settings = plugin.settings; - const currFile = app.workspace.getActiveFile(); - const activeLeafView = app.workspace.activeLeaf.view; - const allCells = [...new Set(sortedTrails.reduce((a, b) => [...a, ...b]))]; - const wordCounts = {}; - - allCells.forEach(cell => { - var _a; - - try { - $$invalidate( - 2, - wordCounts[cell] = (_a = app.metadataCache.getFirstLinkpathDest(cell, "")) === null || _a === void 0 - ? void 0 - : _a.stat.size, - wordCounts - ); - } catch(error) { - console.log(error); - console.log({ currFile }); - $$invalidate(2, wordCounts[cell] = 0, wordCounts); + }); +}); +Object.keys(d3ScaleChromatic).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3ScaleChromatic[k]; } }); - - // const data: {[cell: string]: number} = {} - // allCells.forEach(cell => data[cell] = app.metadataCache.getFileCache(app.metadataCache.getFirstLinkpathDest(cell, currFile.path))?.links.length ?? 0); - const { mainG } = plugin; - - const [up, down] = [getSubInDirs(mainG, "up"), getSubInDirs(mainG, "down")]; - const closedParents = closeImpliedLinks(up, down); - const children = {}; - allCells.forEach(cell => $$invalidate(3, children[cell] = getOutNeighbours(closedParents, cell).length, children)); - const normalisedData = normalise(Object.values(children)); - - allCells.forEach((cell, i) => { - $$invalidate(3, children[cell] = normalisedData[i], children); +}); +Object.keys(d3Selection).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Selection[k]; + } + }); +}); +Object.keys(d3Shape).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Shape[k]; + } + }); +}); +Object.keys(d3Time).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Time[k]; + } + }); +}); +Object.keys(d3TimeFormat).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3TimeFormat[k]; + } + }); +}); +Object.keys(d3Timer).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Timer[k]; + } + }); +}); +Object.keys(d3Transition).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Transition[k]; + } + }); +}); +Object.keys(d3Zoom).forEach(function (k) { + if (k !== 'default' && !exports.hasOwnProperty(k)) Object.defineProperty(exports, k, { + enumerable: true, + get: function () { + return d3Zoom[k]; + } }); +}); +}); + +const arcDiagram = (graph, app, currFile, modal, width, height) => { + const data = graphlibToD3(graph); + const margin = { top: 20, right: 20, bottom: 20, left: 150 }; + const svg = d3_node.select(".d3-graph") + .append("svg") + .attr("height", height) + .attr("width", width); + const nodes = data.nodes.map(({ id, name }) => ({ + id, + name, + sourceLinks: [], + targetLinks: [], + })); + const nodeById = new Map(nodes.map((d) => [d.id, d])); + const links = data.links.map(({ source, target }) => ({ + source: nodeById.get(source), + target: nodeById.get(target), + })); + for (const link of links) { + const { source, target } = link; + source.sourceLinks.push(link); + target.targetLinks.push(link); + } + svg.append("style").text(` + +path { + stroke: #808080; + opacity: 0.8; +} + +text { + stroke: var(--text-a); + opacity: 0.8; +} + + +.hover g.primary text { + fill: black; +} + +.hover g.secondary text { + fill: #333; +} + +.hover .secondary { + color: red; +} + +.hover path.primary { + stroke: #333; + stroke-opacity: 1; +} + +.hover rect { + opacity: 1; + cursor: pointer; +} + +`); + const y = d3_node.scalePoint(nodes.map((d) => d.name).sort(d3_node.ascending), [ + margin.top, + height - margin.bottom, + ]); + const label = svg + .append("g") + .attr("font-family", "sans-serif") + .attr("font-size", 10) + .attr("text-anchor", "end") + .selectAll("g") + .data(nodes) + .join("g") + .attr("transform", (d) => `translate(${margin.left},${(d.y = y(d.name))})`) + .call((g) => g + .append("text") + .attr("x", -6) + .attr("dy", "0.35em") + // .attr("fill", (d) => d3.lab(color(d.group)).darker(2)) + .text((d) => d.name)) + .call((g) => g.append("circle").attr("r", 3) + // .attr("fill", (d) => color(d.group)) + ); + const path = svg + .insert("g", "*") + .attr("fill", "none") + .attr("stroke-opacity", 0.6) + .attr("stroke-width", 1.5) + .selectAll("path") + .data(links) + .join("path") + // .attr("stroke", (d) => + // d.source.group === d.target.group ? color(d.source.group) : "#aaa" + // ) + .attr("d", arc); + const step = 104; + const nodeClick = (event, dest) => { + openOrSwitch(app, dest, event); + modal.close(); + }; + svg + .append("g") + .attr("fill", "none") + .attr("pointer-events", "all") + .selectAll("rect") + .data(nodes) + .join("rect") + .attr("width", margin.left + 40) + .attr("height", step) + .attr("y", (d) => y(d.name) - step / 2) + .on("mouseover", (d) => { + svg.classed("hover", true); + label.classed("primary", (n) => n === d); + label.classed("secondary", (n) => n.sourceLinks.some((l) => l.target === d) || + n.targetLinks.some((l) => l.source === d)); + path + .classed("primary", (l) => l.source === d || l.target === d) + .filter(".primary") + .raise(); + }) + .on("mouseout", (d) => { + svg.classed("hover", false); + label.classed("primary", false); + label.classed("secondary", false); + path.classed("primary", false).order(); + }) + .on("click", (event, d) => { + nodeClick(event, d.name); + }); + // function update() { + // y.domain(nodes.sort(viewof order.value).map(d => d.id)); + // const t = svg.transition() + // .duration(750); + // label.transition(t) + // .delay((d, i) => i * 20) + // .attrTween("transform", d => { + // const i = d3.interpolateNumber(d.y, y(d.id)); + // return t => `translate(${margin.left},${d.y = i(t)})`; + // }); + // path.transition(t) + // .duration(750 + nodes.length * 20) + // .attrTween("d", d => () => arc(d)); + // overlay.transition(t) + // .delay((d, i) => i * 20) + // .attr("y", d => y(d.id) - step / 2); + // } + // viewof order.addEventListener("input", update); + // invalidation.then(() => viewof order.removeEventListener("input", update)); + function arc(d) { + const y1 = d.source.y; + const y2 = d.target.y; + const r = Math.abs(y2 - y1) / 2; + return `M${margin.left},${y1}A${r},${r} 0,0,${y1 < y2 ? 1 : 0} ${margin.left},${y2}`; + } + function zoomed({ transform }) { + svg.attr("transform", transform); + } + svg.call(d3_node.zoom() + .extent([ + [0, 0], + [width, height], + ]) + .scaleExtent([0.5, 8]) + .on("zoom", zoomed)); +}; - // const normalisedData = allCells.forEach(cell => { - // }) - // const links: {[cell: string]: number}[] = [] - // data.forEach(cell => links[Object.keys(cell)[0]] = (Object.values(cell)[0]?.links.length ?? 0)) - // console.log(data) - const maxLength = Math.max(...sortedTrails.map(trail => trail.length)); +const circlePacking = (graph, app, currFile, modal, width, height) => { + const flatAdj = dfsFlatAdjList(graph, currFile.basename); + console.log({ flatAdj }); + const hierarchy = d3_node.stratify()(flatAdj); + console.log({ hierarchy }); + const adjList = bfsAdjList(graph, currFile.basename); + console.log({ adjList }); + const noDoubles = [...adjList]; + noDoubles.forEach((a, i) => { + if (noDoubles.some((b, j) => i !== j && a.name === b.name)) { + const index = noDoubles.findIndex((b, j) => i !== j && a.name === b.name); + noDoubles.splice(index, 1); + } + }); + // const noDoubles = adjList.filter((a) => { + // !adjList.some((b) => { + // console.log({ a, b }); + // return a.name !== b.name && a.parentId === b.parentId; + // }); + // }); + console.log({ noDoubles }); + // const root = stratify(noDoubles); + // console.log(root); + // const hierarchy: d3Tree = createTreeHierarchy(noDoubles, { + // id: "name", + // excludeParent: true, + // }); + // console.log({ hierarchy }); + const linkArr = noDoubles.map((d) => { + return { source: d.name, target: d.parentId }; + }); + const links = linkArr.map((d) => Object.create(d)); + const svg = d3_node.select(".d3-graph") + .append("svg") + .attr("height", height) + .attr("width", width); + const nodeColour = getComputedStyle(document.body).getPropertyValue("--text-accent"); + // Initialize the circle: all located at the center of the svg area + const node = svg + .append("g") + .selectAll("circle") + .data(noDoubles) + .join("circle") + .attr("r", (d) => Math.round(d.height / 10) + 10) + .attr("cx", width / 2) + .attr("cy", height / 2) + .style("fill", nodeColour) + .style("fill-opacity", 0.6) + .attr("stroke", nodeColour) + .style("stroke-width", 4); + node.attr("aria-label", (d) => d.name); + const nodeClick = (event, dest) => { + app.workspace.getActiveFile(); + openOrSwitch(app, dest, event); + modal.close(); + }; + node.on("click", (event, d) => { + nodeClick(event, d.name); + }); + svg + .append("g") + .attr("stroke", "#868282") + .attr("stroke-opacity", 0.6) + .selectAll("line") + .data(links) + .join("line") + .attr("stroke-width", 0.8); + // Features of the forces applied to the nodes: + const simulation = d3_node.forceSimulation() + .force("center", d3_node.forceCenter() + .x(width / 2) + .y(height / 2)) // Attraction to the center of the svg area + .force("charge", d3_node.forceManyBody().strength(0.5)) // Nodes are attracted one each other of value is > 0 + .force("collide", d3_node.forceCollide().strength(0.025).radius(30).iterations(1)); // Force that avoids circle overlapping + // Apply these forces to the nodes and update their positions. + // Once the force algorithm is happy with positions ('alpha' value is low enough), simulations will stop. + simulation.nodes(noDoubles).on("tick", function (d) { + node.attr("cx", (d) => d.x).attr("cy", (d) => d.y); + }); + function zoomed({ transform }) { + node.attr("transform", transform); + } + svg.call(d3_node.zoom() + .extent([ + [0, 0], + [width, height], + ]) + .scaleExtent([0.5, 8]) + .on("zoom", zoomed)); + const drag = (simulation) => { + function dragstarted(event, d) { + if (!event.active) + simulation.alphaTarget(0.3).restart(); + d.fx = d.x; + d.fy = d.y; + } + function dragged(event, d) { + d.fx = event.x; + d.fy = event.y; + } + function dragended(event, d) { + if (!event.active) + simulation.alphaTarget(0); + d.fx = null; + d.fy = null; + } + return d3_node.drag() + .on("start", dragstarted) + .on("drag", dragged) + .on("end", dragended); + }; + node.call(drag(simulation)); + // const pack = (data) => + // d3.pack().size([width, height]).padding(3)( + // d3 + // .hierarchy(data) + // .sum((d) => d.value) + // .sort((a, b) => b.value - a.value) + // ); + // const root = pack(hierarchy); + // const svg = d3 + // .select(".d3-graph") + // .append("svg") + // .attr("height", height) + // .attr("width", width) + // .style("font", "10px sans-serif") + // .style("overflow", "visible") + // .attr("text-anchor", "middle"); + // const node = svg + // .append("g") + // .attr("pointer-events", "all") + // .selectAll("g") + // .data(root.descendants()) + // .join("g") + // .attr("transform", (d) => `translate(${d.x},${d.y})`); + // node + // .append("circle") + // .attr("r", (d) => d.r) + // .attr("stroke", (d) => (d.children ? "#bbb" : "none")) + // .attr("fill", (d) => (d.children ? "none" : "#ddd")); + // const leaf = node.filter((d) => !d.children); + // leaf.select("circle"); + // // leaf + // // .append("clipPath") + // // .attr("id", (d) => (d.clipUid = DOM.uid("clip")).id) + // // .append("use") + // // .attr("xlink:href", (d) => d.leafUid.href); + // // leaf + // // .append("text") + // // .attr("clip-path", (d) => d.clipUid) + // // .selectAll("tspan") + // // .data((d) => d.data.name.split(/(?=[A-Z][^A-Z])/g)) + // // .join("tspan") + // // .attr("x", 0) + // // .attr("y", (d, i, nodes) => `${i - nodes.length / 2 + 0.8}em`) + // // .text((d) => d); + // node.append("title").text( + // (d) => `${d + // .ancestors() + // .map((d) => d.data.data.name) + // .reverse() + // .join("/")} + // ${d.value.toLocaleString()}` + // ); +}; - const paddedTrails = sortedTrails.map(trail => padArray(trail, maxLength)); +const edgeBundling = (graph, app, currFile, modal, width, height) => { + const flatAdj = dfsFlatAdjList(graph, currFile.basename); + console.log({ flatAdj }); + const hier = d3_node.stratify()(flatAdj); + console.log({ hier }); + const PADDING_BUBBLE = 15; // distance between edge end and bubble + const PADDING_LABEL = 30; // distance between edge end and engineer name + const BUBBLE_SIZE_MIN = 4; + const BUBBLE_SIZE_MAX = 20; + var diameter = 560, radius = diameter / 2, innerRadius = radius - 170; // between center and edge end + // The 'cluster' function takes 1 argument as input. It also has methods (??) like cluster.separation(), cluster.size() and cluster.nodeSize() + var cluster = d3_node.cluster().size([360, innerRadius]); + var line = d3_node.lineRadial() + .curve(d3_node.curveBundle.beta(0.85)) + .radius(function (d) { + return d[1]; + }) + .angle(function (d) { + return (d[0] / 180) * Math.PI; + }); + const svg = d3_node.select(".d3-graph") + .append("svg") + .attr("height", height) + .attr("width", width) + .append("g") + .attr("transform", "translate(" + radius + "," + radius + ")"); + var link = svg.append("g").selectAll(".link"), label = svg.append("g").selectAll(".label"), bubble = svg.append("g").selectAll(".bubble"); + // Add a scale for bubble size + var bubbleSizeScale = d3_node.scaleLinear() + .domain([0, 100]) + .range([BUBBLE_SIZE_MIN, BUBBLE_SIZE_MAX]); + // Scale for the bubble size + // If wanna see your data + // console.log(hierarchicalData) + // Reformat the data + var root = packageHierarchy(hier) + //debugger; + .sum(function (d) { + console.log(d); + return d.height; + }); + // console.log(root) + // Build an object that gives feature of each leaves + cluster(root); + const leaves = root.leaves(); + // Leaves is an array of Objects. 1 item = one leaf. Provides x and y for leaf position in the svg. Also gives details about its parent. + link + .data(packageImports(leaves)) + .enter() + .append("path") + .each(function (d) { + (d.source = d[0]), (d.target = d[d.length - 1]); + }) + .attr("class", "link") + .attr("d", line) + .attr("fill", "none") + .attr("stroke", "black"); + label + .data(leaves) + .enter() + .append("text") + .attr("class", "label") + .attr("dy", "0.31em") + .attr("transform", function (d) { + return ("rotate(" + + (d.x - 90) + + ")translate(" + + (d.y + PADDING_LABEL) + + ",0)" + + (d.x < 180 ? "" : "rotate(180)")); + }) + .attr("text-anchor", function (d) { + return d.x < 180 ? "start" : "end"; + }) + .text(function (d) { + return d.data.key; + }); + bubble + .data(leaves) + .enter() + .append("circle") + .attr("class", "bubble") + .attr("transform", function (d) { + return ("rotate(" + (d.x - 90) + ")translate(" + (d.y + PADDING_BUBBLE) + ",0)"); + }) + .attr("r", (d) => bubbleSizeScale(d.value)) + .attr("stroke", "black") + .attr("fill", "#69a3b2") + .style("opacity", 0.2); + // Lazily construct the package hierarchy from class names. + function packageHierarchy(classes) { + var map = {}; + function find(name, data) { + var node = map[name], i; + if (!node) { + node = map[name] = data || { name: name, children: [] }; + if (name.length) { + node.parent = find(name.substring(0, (i = name.lastIndexOf(".")))); + node.parent.children.push(node); + node.key = name.substring(i + 1); + } + } + return node; + } + classes.forEach(function (d) { + find(d.name, d); + }); + return d3_node.hierarchy(map[""]); + } + // Return a list of imports for the given array of nodes. + function packageImports(nodes) { + var map = {}, imports = []; + // Compute a map from name to node. + nodes.forEach(function (d) { + map[d.data.name] = d; + }); + // For each import, construct a link from the source to target node. + nodes.forEach(function (d) { + if (d.data.imports) + d.data.imports.forEach(function (i) { + imports.push(map[d.data.name].path(map[i])); + }); + }); + return imports; + } +}; - // const permutations: string[][][] = permute(paddedTrails.map(trail => [trail[0]])) - // // permutations.map(trails => sum(transpose(trails).map(runs).map(runs => runs.length))) - // const ALLRuns = permutations.map(permutation => transpose(permutation).map(runs)) - // const runsPerRun = ALLRuns.map(runs => runs[0].length) - // const minRunLength = Math.min(...runsPerRun); - // const indexOfMinRun = runsPerRun.indexOf(minRunLength); - // const minRun = ALLRuns[indexOfMinRun] - const transposedTrails = transpose(paddedTrails); +const forceDirectedG = (graph, app, currFile, modal, width, height) => { + modal.plugin; + let nodeToGetTo = currFile.basename; + console.log({ nodeToGetTo }); + console.time("Find all paths"); + // let pathsFromNodeToGetTo = graphlib.alg.dijkstra(graph, nodeToGetTo); + console.timeEnd("Find all paths"); + const defaultNodeColour = getComputedStyle(document.body).getPropertyValue("--text-accent"); + let currNodeColour = defaultNodeColour; + const colourChangeInput = d3_node.select(".d3-graph") + .append("input") + .attr("type", "color"); + colourChangeInput.on("change", function changeColor(el) { + currNodeColour = el.target.value; + node + .transition() + .duration(300) + .style("fill", (d) => { + if (d.index === currNodeIndex) + return; + return currNodeColour; + }); + }); + // const saveLayoutButton = modal.contentEl.createEl('button', { text: 'Save Layout' }) + // .addEventListener('click', saveGraph) + const data = graphlibToD3(graph); + const links = data.links.map((d) => Object.create(d)); + const currNode = data.nodes.find((node) => node.name === currFile.basename); + let currNodeIndex; + if (!currNode) { + const id = data.nodes.length; + data.nodes.push({ id, name: currFile.basename }); + currNodeIndex = id; + } + else { + currNodeIndex = currNode.id; + } + const nodes = data.nodes.map((d) => Object.create(d)); + const simulation = d3_node.forceSimulation(nodes) + .force("link", d3_node.forceLink(links).id((d) => d.id)) + .force("charge", d3_node.forceManyBody().strength(-8)) + .force("center", d3_node.forceCenter(width / 2, height / 2).strength(0.5)); + const drag = (simulation) => { + function dragstarted(event, d) { + if (!event.active) + simulation.alphaTarget(0.3).restart(); + d.fx = d.x; + d.fy = d.y; + } + function dragged(event, d) { + d.fx = event.x; + d.fy = event.y; + } + function dragended(event, d) { + if (!event.active) + simulation.alphaTarget(0); + d.fx = null; + d.fy = null; + } + return d3_node.drag() + .on("start", dragstarted) + .on("drag", dragged) + .on("end", dragended); + }; + const svg = d3_node.select(".d3-graph") + .append("svg") + .attr("height", height) + .attr("width", width) + .attr("class", "forceDirectedG"); + const link = svg + .append("g") + .attr("stroke", "#868282") + .attr("stroke-opacity", 0.6) + .selectAll("line") + .data(links) + .join("line") + .attr("stroke-width", 0.8) + .attr("marker-end", "url(#end)"); + svg + .append("svg:g") + .selectAll("path") + .data(links) + .enter() + .append("svg:path") + // .attr("class", function(d) { return "link " + d.type; }) + .attr("class", "link") + .attr("marker-end", "url(#end)"); + svg + .append("svg:defs") + .selectAll("marker") + .data(["end"]) // Different link/path types can be defined here + .enter() + .append("svg:marker") // This section adds in the arrows + .attr("id", String) + .attr("viewBox", "0 -5 10 10") + .attr("refX", 20) + .attr("refY", 0.1) + .attr("markerWidth", 6) + .attr("markerHeight", 6) + .attr("orient", "auto") + // .attr("stroke", "#868282") + .attr("stroke-width", 10) + .append("svg:path") + .attr("d", "M0,-5L10,0L0,5"); + const nameFromIndex = (d) => data.nodes.find((node) => node.id === d.index).name; + const node = svg + .append("g") + .selectAll("circle") + .data(nodes) + .join("circle") + .attr("r", 5) + .attr("fill", (d) => { + if (nameFromIndex(d) === currFile.basename) { + return "#ffffff"; + } + else { + return currNodeColour; + } + }) + .call(drag(simulation)); + node.attr("aria-label", (d) => d.name); + const nodeClick = (event, dest) => { + openOrSwitch(app, dest, event); + modal.close(); + }; + node.on("click", (event, d) => { + nodeClick(event, d.name); + }); + node.on("mousedown", (event, d) => { + if (event.button === 2) { + nodeToGetTo = d.name; + node.style("fill", (n) => { + if (n.name === nodeToGetTo) { + return "#ff0000"; + } + else + return currNodeColour; + }); + // pathsFromNodeToGetTo = graphlib.alg.dijkstra(graph, nodeToGetTo); + } + }); + function linked(a, b) { + if (a === b) + return true; + const linkedArr = links.find((link) => (link.source.index === a && link.target.index === b) || + (link.target.index === a && link.source.index === b)); + return !!linkedArr; + } + // function walkDijkstraPaths( + // paths: { [node: string]: graphlib.Path }, + // startNode: string + // ) { + // if (startNode === nodeToGetTo || paths[startNode].distance === Infinity) + // return []; + // let step = startNode; + // const path: string[] = [startNode]; + // let i = 0; + // const MAX = 300; + // while (paths[step].predecessor !== nodeToGetTo && i < MAX) { + // i++; + // step = paths[step].predecessor; + // path.push(step); + // } + // if (i >= MAX) return []; + // path.push(nodeToGetTo); + // return path; + // } + node + .on("mouseover", (event, d) => { + node + .transition() + .duration(150) + .style("opacity", (o) => { + return linked(d.index, o.index) ? 1 : 0.2; + }); + link + .transition() + .duration(150) + .style("opacity", function (o) { + return o.source.index === d.index || o.target.index === d.index + ? 1 + : 0.2; + }); + // Highlight path from hovered node to currNode + nameFromIndex(d); + // const path = walkDijkstraPaths(pathsFromNodeToGetTo, hoveredNode); + // if (path.length) { + // link + // .transition() + // .duration(150) + // .style("stroke", function (link) { + // if ( + // path.includes(nameFromIndex(link.source)) && + // path.includes(nameFromIndex(link.target)) + // ) + // return currNodeColour; + // }) + // .style("opacity", function (link) { + // if ( + // path.includes(nameFromIndex(link.source)) && + // path.includes(nameFromIndex(link.target)) + // ) + // return 1; + // }); + // } + }) + .on("mouseout", unfocus); + function unfocus() { + // labelNode.attr("display", "block"); + node.style("opacity", 1); + link.style("opacity", 1).style("stroke", "#868282"); + } + simulation.on("tick", () => { + link + .attr("x1", (d) => d.source.x) + .attr("y1", (d) => d.source.y) + .attr("x2", (d) => d.target.x) + .attr("y2", (d) => d.target.y); + node.attr("cx", (d) => d.x).attr("cy", (d) => d.y); + }); + function zoomed({ transform }) { + node.attr("transform", transform); + link.attr("transform", transform); + } + svg.call(d3_node.zoom() + .extent([ + [0, 0], + [width, height], + ]) + .scaleExtent([0.5, 10]) + .on("zoom", zoomed)); +}; - const allRuns = transposedTrails.map(runs); - const click_handler = (step, e) => openOrSwitch(app, step.value, e); - const mouseover_handler = (step, e) => hoverPreview(e, activeLeafView, step.value); +const icicle = (graph, app, currFile, modal, width, viewHeight) => { + const flatAdj = dfsFlatAdjList(graph, currFile.basename); + console.log({ flatAdj }); + const hier = d3_node.stratify()(flatAdj); + console.log({ hier }); + const format = d3_node.format(",d"); + const color = d3_node.scaleOrdinal(d3_node.quantize(d3_node.interpolateRainbow, hier.children.length + 1)); + const partition = (data) => { + const root = d3_node.hierarchy(data) + .sum((d) => d.value) + .sort((a, b) => b.height - a.height || b.value - a.value); + return d3_node.partition().size([viewHeight, ((root.height + 1) * width) / 3])(root); + }; + const root = partition(hier); + let focus = root; + const svg = d3_node.select(".d3-graph") + .append("svg") + .attr("height", viewHeight) + .attr("width", width) + .style("font", "10px sans-serif"); + const cell = svg + .selectAll("g") + .data(root.descendants()) + .join("g") + .attr("transform", (d) => `translate(${d.y0},${d.x0})`); + const rect = cell + .append("rect") + .attr("width", (d) => d.y1 - d.y0 - 1) + .attr("height", (d) => rectHeight(d)) + .attr("fill-opacity", 0.6) + .attr("fill", (d) => { + if (!d.depth) + return "#ccc"; + while (d.depth > 1) + d = d.parent; + return color(d.data.data.name); + }) + .style("cursor", "pointer") + .on("click", clicked); + const text = cell + .append("text") + .style("user-select", "none") + .attr("pointer-events", "none") + .attr("x", 4) + .attr("y", 13); + // .attr("fill-opacity", (d) => +labelVisible(d)); + text.append("tspan").text((d) => d.data.data.name); + const tspan = text + .append("tspan") + .attr("fill-opacity", (d) => (labelVisible(d) ? 1 : 0) * 0.7) + .text((d) => ` ${format(d.value)}`); + cell.append("title").text((d) => `${d.ancestors().map((d) => d.data.data.name) + // .reverse() + // .join("/")}\n${format(d.value) + }`); + function clicked(event, p) { + console.log({ p }); + focus = focus === p ? (p = p.parent) : p; + root.each((d) => { + d.target = { + x0: ((d.x0 - p.x0) / (p.x1 - p.x0)) * viewHeight, + x1: ((d.x1 - p.x0) / (p.x1 - p.x0)) * viewHeight, + y0: d.y0 - p.y0, + y1: d.y1 - p.y0, + }; + console.log(d.target.x0); + }); + const t = cell + .transition() + .duration(750) + .attr("transform", (d) => `translate(${d.target.y0},${d.target.x0})`); + rect.transition(t).attr("height", (d) => rectHeight(d.target)); + text.transition(t).attr("fill-opacity", (d) => +labelVisible(d.target)); + tspan + .transition(t) + .attr("fill-opacity", (d) => (labelVisible(d) ? 1 : 0) * 0.7); + } + function rectHeight(d) { + console.log({ d }); + return d.x1 - d.x0 - Math.min(1, (d.x1 - d.x0) / 2); + } + function labelVisible(d) { + return d.y1 <= width && d.y0 >= 0 && d.x1 - d.x0 > 16; + } +}; - $$self.$$set = $$props => { - if ("sortedTrails" in $$props) $$invalidate(0, sortedTrails = $$props.sortedTrails); - if ("app" in $$props) $$invalidate(1, app = $$props.app); - if ("plugin" in $$props) $$invalidate(8, plugin = $$props.plugin); - }; +const radialTree = (graph, app, currFile, modal, width, height) => { + const flatAdj = dfsFlatAdjList(graph, currFile.basename); + console.log({ flatAdj }); + const hierarchy = d3_node.stratify()(flatAdj); + console.log({ hierarchy }); + const svg = d3_node.select(".d3-graph") + .append("svg") + .attr("height", height) + .attr("width", width); + const root = d3_node.hierarchy(hierarchy, (d) => d.children) + .sum((d) => (d.children ? 0 : 1)) + .sort((a, b) => a.depth - b.depth); + const outerRadius = width / 2; + const innerRadius = outerRadius - 170; + const cluster = d3_node.cluster() + .size([360, innerRadius]) + .separation((a, b) => 1); + const color = d3_node.scaleOrdinal() + .domain(graph.nodes()) + .range(d3_node.schemeCategory10); + function maxLength(d) { + return d.data.data.depth + (d.children ? d3_node.max(d.children, maxLength) : 0); + } + function setRadius(d, y0, k) { + d.radius = (y0 += d.data.data.depth) * k; + if (d.children) + d.children.forEach((d) => setRadius(d, y0, k)); + } + function setColor(d) { + var name = d.data.data.name; + d.color = + color.domain().indexOf(name) >= 0 + ? color(name) + : d.parent + ? d.parent.color + : null; + if (d.children) + d.children.forEach(setColor); + } + function linkConstant(d) { + return linkStep(d.source.x, d.source.y, d.target.x, d.target.y); + } + function linkExtensionConstant(d) { + return linkStep(d.target.x, d.target.y, d.target.x, innerRadius); + } + function linkStep(startAngle, startRadius, endAngle, endRadius) { + const c0 = Math.cos((startAngle = ((startAngle - 90) / 180) * Math.PI)); + const s0 = Math.sin(startAngle); + const c1 = Math.cos((endAngle = ((endAngle - 90) / 180) * Math.PI)); + const s1 = Math.sin(endAngle); + return ("M" + + startRadius * c0 + + "," + + startRadius * s0 + + (endAngle === startAngle + ? "" + : "A" + + startRadius + + "," + + startRadius + + " 0 0 " + + (endAngle > startAngle ? 1 : 0) + + " " + + startRadius * c1 + + "," + + startRadius * s1) + + "L" + + endRadius * c1 + + "," + + endRadius * s1); + } + const legend = (svg) => { + const g = svg + .selectAll("g") + .data(color.domain()) + .join("g") + .attr("transform", (d, i) => `translate(${-outerRadius},${-outerRadius + i * 20})`); + g.append("rect").attr("width", 18).attr("height", 18).attr("fill", color); + g.append("text") + .attr("x", 24) + .attr("y", 9) + .attr("dy", "0.35em") + .text((d) => d); + }; + cluster(root); + setRadius(root, (root.data.data.depth = 0), innerRadius / maxLength(root)); + setColor(root); + svg.append("g").call(legend); + svg.append("style").text(` + +.link--active { +stroke: #000 !important; +stroke-width: 1.5px; +} + +.link-extension--active { +stroke-opacity: .6; +} + +.label--active { +font-weight: bold; +} + +`); + const linkExtension = svg + .append("g") + .attr("fill", "none") + .attr("stroke", "#000") + .attr("stroke-opacity", 0.25) + .selectAll("path") + .data(root.links().filter((d) => !d.target.children)) + .join("path") + .each(function (d) { + d.target.linkExtensionNode = this; + }) + .attr("d", linkExtensionConstant); + const link = svg + .append("g") + .attr("fill", "none") + .attr("stroke", "#000") + .selectAll("path") + .data(root.links()) + .join("path") + .each(function (d) { + d.target.linkNode = this; + }) + .attr("d", linkConstant) + .attr("stroke", (d) => d.target.color); + const label = svg + .append("g") + .selectAll("text") + .data(root.leaves()) + .join("text") + .attr("dy", ".31em") + .attr("transform", (d) => `rotate(${d.x - 90}) translate(${innerRadius + 4},0)${d.x < 180 ? "" : " rotate(180)"}`) + .attr("text-anchor", (d) => (d.x < 180 ? "start" : "end")) + .text((d) => d.data.data.name) + .on("mouseover", mouseovered(true)) + .on("mouseout", mouseovered(false)); + // function update(checked) { + // const t = d3.transition().duration(750); + // linkExtension + // .transition(t) + // .attr("d", checked ? linkExtensionVariable : linkExtensionConstant); + // link.transition(t).attr("d", checked ? linkVariable : linkConstant); + // } + function mouseovered(active) { + return function (event, d) { + d3_node.select(this).classed("label--active", active); + d3_node.select(d.linkExtensionNode) + .classed("link-extension--active", active) + .raise(); + do + d3_node.select(d.linkNode).classed("link--active", active).raise(); + while ((d = d.parent)); + }; + } + function zoomed({ transform }) { + linkExtension.attr("transform", transform); + link.attr("transform", transform); + label.attr("transform", transform); + } + svg.call(d3_node.zoom() + .extent([ + [0, 0], + [width, height], + ]) + .scaleExtent([0.5, 8]) + .on("zoom", zoomed)); +}; - return [ - sortedTrails, - app, - wordCounts, - children, - settings, - activeLeafView, - transposedTrails, - allRuns, - plugin, - click_handler, - mouseover_handler - ]; -} +const sunburst = (graph, app, currFile, modal, width, height) => { + const flatAdj = dfsFlatAdjList(graph, currFile.basename); + console.log({ flatAdj }); + const hierarchy = d3_node.stratify()(flatAdj); + console.log({ hierarchy }); + var radius = Math.min(width, height) / 2; // < -- 2 + var color = d3_node.scaleOrdinal(d3_node.schemeCategory10); + var g = d3_node.select("svg") // <-- 1 + .attr("width", width) // <-- 2 + .attr("height", height) + .append("g") // <-- 3 + .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")"); // <-- 4 + var g = d3_node.select("svg") // returns a handle to the element + .attr("width", width) // sets the width of and then returns the element again + .attr("height", height) // (same as width) + .append("g") // adds a element to the element. It returns the element + .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")"); // takes the element and moves the [0,0] center over and down + var g = d3_node.select("svg") // --> + .attr("width", width) // --> + .attr("height", height) // --> + .append("g") // --> + .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")"); // --> + var partition = d3_node.partition() // <-- 1 + .size([2 * Math.PI, radius]); // <-- 2 + var root = d3_node.hierarchy(hierarchy) // <-- 1 + .sum(function (d) { + return d.height; + }); // <-- 2 + partition(root); // <-- 1 + var arc = d3_node.arc() // <-- 2 + .startAngle(function (d) { + return d.x0; + }) + .endAngle(function (d) { + return d.x1; + }) + .innerRadius(function (d) { + return d.y0; + }) + .outerRadius(function (d) { + return d.y1; + }); + g.selectAll("path") // <-- 1 + .data(root.descendants()) // <-- 2 + .enter() // <-- 3 + .append("path") // <-- 4 + .attr("display", function (d) { + return d.depth ? null : "none"; + }) // <-- 5 + .attr("d", arc) // <-- 6 + .style("stroke", "#fff") // <-- 7 + .style("fill", function (d) { + return color((d.children ? d : d.parent).data.name); + }); // <-- 8 +}; -class TrailGrid extends SvelteComponent { - constructor(options) { - super(); - if (!document.getElementById("svelte-ybyqyo-style")) add_css$1(); - init(this, options, instance$1, create_fragment$1, safe_not_equal, { sortedTrails: 0, app: 1, plugin: 8 }); - } -} +const tidyTree = (graph, app, currFile, modal, width, height) => { + // const adjList: AdjListItem[] = bfsAdjList(graph, currFile.basename); + // console.log({ adjList }); + // const noDoubles = [...adjList]; + // noDoubles.forEach((a, i, list) => { + // if (list.some((b, j) => i !== j && a.parentId === b.parentId)) { + // noDoubles.splice(i, 1); + // } + // }); + // console.log({ noDoubles }); + const tree = (data) => { + const root = d3_node.hierarchy(data); + root.dx = 10; + root.dy = width / (root.height + 1); + return d3_node.tree().nodeSize([root.dx, root.dy])(root); + }; + const flatAdj = dfsFlatAdjList(graph, currFile.basename); + console.log({ flatAdj }); + const hierarchy = d3_node.stratify()(flatAdj); + console.log({ hierarchy }); + const root = tree(hierarchy); + console.log(root); + let x0 = Infinity; + let x1 = -x0; + root.each((d) => { + if (d.x > x1) + x1 = d.x; + if (d.x < x0) + x0 = d.x; + }); + const svg = d3_node.select(".d3-graph") + .append("svg") + .attr("height", height) + .attr("width", width); + const g = svg + .append("g") + .attr("font-family", "sans-serif") + .attr("font-size", 10) + .attr("transform", `translate(${root.dy / 3},${root.dx - x0})`); + g + .append("g") + .attr("fill", "none") + .attr("stroke", "#555") + .attr("stroke-opacity", 0.4) + .attr("stroke-width", 1.5) + .selectAll("path") + .data(root.links()) + .join("path") + .attr("d", d3_node.linkHorizontal() + .x((d) => d.y) + .y((d) => d.x)); + const node = g + .append("g") + .attr("stroke-linejoin", "round") + .attr("stroke-width", 10) + .selectAll("g") + .data(root.descendants()) + .join("g") + .attr("transform", (d) => `translate(${d.y},${d.x})`); + node + .append("circle") + .attr("fill", (d) => (d.children ? "#555" : "#999")) + .attr("r", 10); + node.attr("aria-label", (d) => { + console.log(d); + return d.data.data.name; + }); + const nodeClick = (event, dest) => { + openOrSwitch(app, dest, event); + modal.close(); + }; + node.on("click", (event, d) => { + console.log({ d }); + nodeClick(event, d.data.data.name); + }); + node + .append("text") + .attr("dy", "0.31em") + .attr("x", (d) => (d.children ? -6 : 6)) + .attr("text-anchor", (d) => (d.children ? "end" : "start")) + .text((d) => d.data.data.name) + .clone(true) + .lower() + .attr("stroke", "white"); + function zoomed({ transform }) { + svg.attr("transform", transform); + } + svg.call(d3_node.zoom() + .extent([ + [0, 0], + [width, height], + ]) + .scaleExtent([0.5, 8]) + .on("zoom", zoomed)); +}; -/* src\Components\TrailPath.svelte generated by Svelte v3.35.0 */ +const treeMap = (graph, app, currFile, modal, width, height) => { + const flatAdj = dfsFlatAdjList(graph, currFile.basename); + console.log({ flatAdj }); + const hierarchy = d3_node.stratify()(flatAdj); + console.log({ hierarchy }); + const root = d3_node.treemap() + .tile(d3_node.treemapBinary) + .size([width, height]) + .padding(1) + .round(true)(hierarchy.sum((d) => d.height).sort((a, b) => b.height - a.height)); + // const root = treemap(data); + const svg = d3_node.select(".d3-graph") + .append("svg") + .attr("height", height) + .attr("width", width) + .style("font", "10px sans-serif"); + const leaf = svg + .selectAll("g") + .data(root.leaves()) + .join("g") + .attr("transform", (d) => `translate(${d.x0},${d.y0})`); + leaf.attr("aria-label", (d) => d.data.name); + // leaf.append("title").text( + // (d) => + // `${d + // .ancestors() + // .reverse() + // .map((d) => d.data.id) + // .join("/")}\n${format(d.height)}` + // ); + const color = d3_node.scaleOrdinal(d3_node.schemeCategory10); + leaf + .append("rect") + // .attr("id", (d) => (d.leafUid = DOM.uid("leaf")).id) + .attr("fill", (d) => { + while (d.depth > 1) + d = d.parent; + return color(d.data.id); + }) + .attr("fill-opacity", 0.6) + .attr("width", (d) => d.x1 - d.x0) + .attr("height", (d) => d.y1 - d.y0); + leaf + .append("clipPath") + // .attr("id", (d) => (d.clipUid = DOM.uid("clip")).id) + .append("use"); + // .attr("xlink:href", (d) => d.leafUid.href); + // leaf + // .append("text") + // .attr("clip-path", (d) => d.clipUid) + // .selectAll("tspan") + // .data((d) => { + // console.log({ d }); + // return d.data.name.split(/(?=[A-Z][^A-Z])/g).concat(format(d.height)); + // }) + // .join("tspan") + // .attr("x", 3) + // .attr( + // "y", + // (d, i, nodes) => `${(i === nodes.length - 1) * 0.3 + 1.1 + i * 0.9}em` + // ) + // .attr("fill-opacity", (d, i, nodes) => + // i === nodes.length - 1 ? 0.7 : null + // ); + // // .text((d) => d); + const nodeClick = (event, dest) => { + openOrSwitch(app, dest, event); + modal.close(); + }; + leaf.on("click", (event, d) => { + console.log({ d }); + nodeClick(event, d.data.name); + }); + function zoomed({ transform }) { + svg.attr("transform", transform); + } + svg.call(d3_node.zoom() + .extent([ + [0, 0], + [width, height], + ]) + .scaleExtent([0.5, 8]) + .on("zoom", zoomed)); +}; -function add_css() { - var style = element("style"); - style.id = "svelte-3c1frp-style"; - style.textContent = "span.BC-trail-path-container.svelte-3c1frp{display:flex;justify-content:space-between}"; - append(document.head, style); -} +/* src\Components\VisComp.svelte generated by Svelte v3.35.0 */ function get_each_context(ctx, list, i) { const child_ctx = ctx.slice(); - child_ctx[10] = list[i]; + child_ctx[20] = list[i]; + child_ctx[21] = list; + child_ctx[22] = i; return child_ctx; } function get_each_context_1(ctx, list, i) { const child_ctx = ctx.slice(); - child_ctx[13] = list[i]; - child_ctx[15] = i; + child_ctx[23] = list[i]; return child_ctx; } -// (19:8) {:else} -function create_else_block(ctx) { - let each_1_anchor; - let each_value_1 = /*trail*/ ctx[10]; - let each_blocks = []; - - for (let i = 0; i < each_value_1.length; i += 1) { - each_blocks[i] = create_each_block_1(get_each_context_1(ctx, each_value_1, i)); - } - - return { - c() { - for (let i = 0; i < each_blocks.length; i += 1) { - each_blocks[i].c(); - } - - each_1_anchor = empty(); - }, - m(target, anchor) { - for (let i = 0; i < each_blocks.length; i += 1) { - each_blocks[i].m(target, anchor); - } - - insert(target, each_1_anchor, anchor); - }, - p(ctx, dirty) { - if (dirty & /*settings, trailsToShow, openOrSwitch, app, hoverPreview, view*/ 58) { - each_value_1 = /*trail*/ ctx[10]; - let i; - - for (i = 0; i < each_value_1.length; i += 1) { - const child_ctx = get_each_context_1(ctx, each_value_1, i); - - if (each_blocks[i]) { - each_blocks[i].p(child_ctx, dirty); - } else { - each_blocks[i] = create_each_block_1(child_ctx); - each_blocks[i].c(); - each_blocks[i].m(each_1_anchor.parentNode, each_1_anchor); - } - } - - for (; i < each_blocks.length; i += 1) { - each_blocks[i].d(1); - } - - each_blocks.length = each_value_1.length; - } - }, - d(detaching) { - destroy_each(each_blocks, detaching); - if (detaching) detach(each_1_anchor); - } - }; -} - -// (17:8) {#if trail.length === 0} -function create_if_block_1(ctx) { - let span; - - return { - c() { - span = element("span"); - span.textContent = `${/*settings*/ ctx[4].noPathMessage}`; - }, - m(target, anchor) { - insert(target, span, anchor); - }, - p: noop, - d(detaching) { - if (detaching) detach(span); - } - }; -} - -// (28:12) {#if i < trail.length - 1} -function create_if_block_2(ctx) { - let span; - - return { - c() { - span = element("span"); - span.textContent = `${" " + /*settings*/ ctx[4].trailSeperator + " "}`; - }, - m(target, anchor) { - insert(target, span, anchor); - }, - p: noop, - d(detaching) { - if (detaching) detach(span); - } - }; -} - -// (20:10) {#each trail as crumb, i} +// (163:8) {#each selector.options as op} function create_each_block_1(ctx) { - let span; - let t0_value = /*crumb*/ ctx[13] + ""; - let t0; - let t1; - let if_block_anchor; - let mounted; - let dispose; - - function click_handler(...args) { - return /*click_handler*/ ctx[7](/*crumb*/ ctx[13], ...args); - } - - function mouseover_handler(...args) { - return /*mouseover_handler*/ ctx[8](/*crumb*/ ctx[13], ...args); - } - - let if_block = /*i*/ ctx[15] < /*trail*/ ctx[10].length - 1 && create_if_block_2(ctx); - - return { - c() { - span = element("span"); - t0 = text(t0_value); - t1 = space(); - if (if_block) if_block.c(); - if_block_anchor = empty(); - attr(span, "class", "internal-link BC-Link"); - }, - m(target, anchor) { - insert(target, span, anchor); - append(span, t0); - insert(target, t1, anchor); - if (if_block) if_block.m(target, anchor); - insert(target, if_block_anchor, anchor); - - if (!mounted) { - dispose = [ - listen(span, "click", click_handler), - listen(span, "mouseover", mouseover_handler) - ]; - - mounted = true; - } - }, - p(new_ctx, dirty) { - ctx = new_ctx; - if (dirty & /*trailsToShow*/ 8 && t0_value !== (t0_value = /*crumb*/ ctx[13] + "")) set_data(t0, t0_value); - - if (/*i*/ ctx[15] < /*trail*/ ctx[10].length - 1) { - if (if_block) { - if_block.p(ctx, dirty); - } else { - if_block = create_if_block_2(ctx); - if_block.c(); - if_block.m(if_block_anchor.parentNode, if_block_anchor); - } - } else if (if_block) { - if_block.d(1); - if_block = null; - } - }, - d(detaching) { - if (detaching) detach(span); - if (detaching) detach(t1); - if (if_block) if_block.d(detaching); - if (detaching) detach(if_block_anchor); - mounted = false; - run_all(dispose); - } - }; -} - -// (15:4) {#each trailsToShow as trail} -function create_each_block(ctx) { - let div; + let option; + let t_value = /*op*/ ctx[23] + ""; let t; - - function select_block_type(ctx, dirty) { - if (/*trail*/ ctx[10].length === 0) return create_if_block_1; - return create_else_block; - } - - let current_block_type = select_block_type(ctx); - let if_block = current_block_type(ctx); + let option_value_value; return { c() { - div = element("div"); - if_block.c(); - t = space(); + option = element("option"); + t = text(t_value); + option.__value = option_value_value = /*op*/ ctx[23]; + option.value = option.__value; }, m(target, anchor) { - insert(target, div, anchor); - if_block.m(div, null); - append(div, t); + insert(target, option, anchor); + append(option, t); }, p(ctx, dirty) { - if (current_block_type === (current_block_type = select_block_type(ctx)) && if_block) { - if_block.p(ctx, dirty); - } else { - if_block.d(1); - if_block = current_block_type(ctx); + if (dirty & /*selectors*/ 1 && t_value !== (t_value = /*op*/ ctx[23] + "")) set_data(t, t_value); - if (if_block) { - if_block.c(); - if_block.m(div, t); - } + if (dirty & /*selectors*/ 1 && option_value_value !== (option_value_value = /*op*/ ctx[23])) { + option.__value = option_value_value; + option.value = option.__value; } }, d(detaching) { - if (detaching) detach(div); - if_block.d(); + if (detaching) detach(option); } }; } -// (37:2) {#if sortedTrails.length > 1} -function create_if_block(ctx) { - let div; - let button; - let t_value = (/*showAll*/ ctx[2] ? "Shortest" : "All") + ""; - let t; +// (153:2) {#each selectors as selector} +function create_each_block(ctx) { + let span; + let t0_value = /*selector*/ ctx[20].text + ""; + let t0; + let t1; + let select; + let select_value_value; + let t2; let mounted; let dispose; + let each_value_1 = /*selector*/ ctx[20].options; + let each_blocks = []; + + for (let i = 0; i < each_value_1.length; i += 1) { + each_blocks[i] = create_each_block_1(get_each_context_1(ctx, each_value_1, i)); + } + + function change_handler(...args) { + return /*change_handler*/ ctx[3](/*selector*/ ctx[20], /*each_value*/ ctx[21], /*selector_index*/ ctx[22], ...args); + } return { c() { - div = element("div"); - button = element("button"); - t = text(t_value); - attr(button, "class", "button-div"); + span = element("span"); + t0 = text(t0_value); + t1 = text(":\r\n \r\n "); + select = element("select"); + + for (let i = 0; i < each_blocks.length; i += 1) { + each_blocks[i].c(); + } + + t2 = space(); }, m(target, anchor) { - insert(target, div, anchor); - append(div, button); - append(button, t); + insert(target, span, anchor); + append(span, t0); + append(span, t1); + append(span, select); + + for (let i = 0; i < each_blocks.length; i += 1) { + each_blocks[i].m(select, null); + } + + select_option(select, /*selector*/ ctx[20].val); + append(span, t2); if (!mounted) { - dispose = listen(button, "click", /*click_handler_1*/ ctx[9]); + dispose = listen(select, "change", change_handler); mounted = true; } }, - p(ctx, dirty) { - if (dirty & /*showAll*/ 4 && t_value !== (t_value = (/*showAll*/ ctx[2] ? "Shortest" : "All") + "")) set_data(t, t_value); + p(new_ctx, dirty) { + ctx = new_ctx; + if (dirty & /*selectors*/ 1 && t0_value !== (t0_value = /*selector*/ ctx[20].text + "")) set_data(t0, t0_value); + + if (dirty & /*selectors*/ 1) { + each_value_1 = /*selector*/ ctx[20].options; + let i; + + for (i = 0; i < each_value_1.length; i += 1) { + const child_ctx = get_each_context_1(ctx, each_value_1, i); + + if (each_blocks[i]) { + each_blocks[i].p(child_ctx, dirty); + } else { + each_blocks[i] = create_each_block_1(child_ctx); + each_blocks[i].c(); + each_blocks[i].m(select, null); + } + } + + for (; i < each_blocks.length; i += 1) { + each_blocks[i].d(1); + } + + each_blocks.length = each_value_1.length; + } + + if (dirty & /*selectors*/ 1 && select_value_value !== (select_value_value = /*selector*/ ctx[20].val)) { + select_option(select, /*selector*/ ctx[20].val); + } }, d(detaching) { - if (detaching) detach(div); + if (detaching) detach(span); + destroy_each(each_blocks, detaching); mounted = false; dispose(); } @@ -49279,46 +49051,41 @@ function create_if_block(ctx) { } function create_fragment(ctx) { - let span; - let div; + let div0; let t; - let each_value = /*trailsToShow*/ ctx[3]; + let div1; + let each_value = /*selectors*/ ctx[0]; let each_blocks = []; for (let i = 0; i < each_value.length; i += 1) { each_blocks[i] = create_each_block(get_each_context(ctx, each_value, i)); } - let if_block = /*sortedTrails*/ ctx[0].length > 1 && create_if_block(ctx); - return { c() { - span = element("span"); - div = element("div"); + div0 = element("div"); for (let i = 0; i < each_blocks.length; i += 1) { each_blocks[i].c(); } t = space(); - if (if_block) if_block.c(); - attr(div, "class", "trails-div"); - attr(span, "class", "BC-trail-path-container svelte-3c1frp"); + div1 = element("div"); + attr(div1, "class", "d3-graph"); }, m(target, anchor) { - insert(target, span, anchor); - append(span, div); + insert(target, div0, anchor); for (let i = 0; i < each_blocks.length; i += 1) { - each_blocks[i].m(div, null); + each_blocks[i].m(div0, null); } - append(span, t); - if (if_block) if_block.m(span, null); + insert(target, t, anchor); + insert(target, div1, anchor); }, p(ctx, [dirty]) { - if (dirty & /*settings, trailsToShow, openOrSwitch, app, hoverPreview, view*/ 58) { - each_value = /*trailsToShow*/ ctx[3]; + if (dirty & /*selectors*/ 1) { + each_value = /*selectors*/ ctx[0]; let i; for (i = 0; i < each_value.length; i += 1) { @@ -49329,7 +49096,7 @@ function create_fragment(ctx) { } else { each_blocks[i] = create_each_block(child_ctx); each_blocks[i].c(); - each_blocks[i].m(div, null); + each_blocks[i].m(div0, null); } } @@ -49337,80 +49104,313 @@ function create_fragment(ctx) { each_blocks[i].d(1); } - each_blocks.length = each_value.length; - } + each_blocks.length = each_value.length; + } + }, + i: noop, + o: noop, + d(detaching) { + if (detaching) detach(div0); + destroy_each(each_blocks, detaching); + if (detaching) detach(t); + if (detaching) detach(div1); + } + }; +} + +function instance($$self, $$props, $$invalidate) { + let argArr; + + + let { modal } = $$props; + let { settings } = $$props; + const { app } = modal; + const { plugin } = modal; + const currFile = app.workspace.getActiveFile(); + + const selectors = [ + { + text: "Type", + options: VISTYPES, + val: settings.visGraph + }, + { + text: "Relation", + options: RELATIONS, + val: settings.visRelation + }, + { + text: "Close Implied", + options: REAlCLOSED, + val: settings.visClosed + }, + { + text: "No Unlinked", + options: ALLUNLINKED, + val: settings.visAll + } + ]; + + const [width, height] = [Math.round(window.innerWidth / 1.3), Math.round(window.innerHeight / 1.3)]; + const { mainG } = plugin; + + const [up, same, down] = [ + getSubInDirs(mainG, "up"), + getSubInDirs(mainG, "same"), + getSubInDirs(mainG, "down") + ]; + + const [closedParentNoSingle, closedSiblingNoSingle, closedChildNoSingle] = [ + closeImpliedLinks(up, down), + closeImpliedLinks(same, same), + closeImpliedLinks(down, up) + ]; + + const graphs = { + Parent: { + Real: { + All: up, + "No Unlinked": removeUnlinkedNodes(up) + }, + Closed: { + All: closedParentNoSingle, + "No Unlinked": removeUnlinkedNodes(closedParentNoSingle) + } + }, + Sibling: { + Real: { + All: same, + "No Unlinked": removeUnlinkedNodes(same) + }, + Closed: { + All: closedSiblingNoSingle, + "No Unlinked": removeUnlinkedNodes(closedSiblingNoSingle) + } + }, + Child: { + Real: { + All: down, + "No Unlinked": removeUnlinkedNodes(down) + }, + Closed: { + All: closedChildNoSingle, + "No Unlinked": removeUnlinkedNodes(closedChildNoSingle) + } + } + }; + + const types = { + "Force Directed Graph": { fun: forceDirectedG }, + "Tidy Tree": { fun: tidyTree }, + "Circle Packing": { fun: circlePacking }, + "Edge Bundling": { fun: edgeBundling }, + "Arc Diagram": { fun: arcDiagram }, + Sunburst: { fun: sunburst }, + "Tree Map": { fun: treeMap }, + Icicle: { fun: icicle }, + "Radial Tree": { fun: radialTree } + }; + + function draw(type) { + var _a; + + if (!document.querySelector(".d3-graph")) { + setTimeout( + () => { + var _a; + + (_a = document.querySelector(".d3-graph")) === null || _a === void 0 + ? void 0 + : _a.empty(); + + try { + types[type].fun(...argArr); + } catch(error) { + console.log(error); + } + }, + 10 + ); + } else { + (_a = document.querySelector(".d3-graph")) === null || _a === void 0 + ? void 0 + : _a.empty(); - if (/*sortedTrails*/ ctx[0].length > 1) { - if (if_block) { - if_block.p(ctx, dirty); - } else { - if_block = create_if_block(ctx); - if_block.c(); - if_block.m(span, null); - } - } else if (if_block) { - if_block.d(1); - if_block = null; + try { + types[type].fun(...argArr); + } catch(error) { + console.log(error); } - }, - i: noop, - o: noop, - d(detaching) { - if (detaching) detach(span); - destroy_each(each_blocks, detaching); - if (if_block) if_block.d(); } - }; -} + } -function instance($$self, $$props, $$invalidate) { - let trailsToShow; - - - let { sortedTrails } = $$props; - let { app } = $$props; - let { plugin } = $$props; - const { settings } = plugin; - const { view } = app.workspace.activeLeaf; - let showAll = settings.showAll; - const click_handler = async (crumb, e) => await openOrSwitch(app, crumb, e); - const mouseover_handler = (crumb, e) => hoverPreview(e, view, crumb); - const click_handler_1 = () => $$invalidate(2, showAll = !showAll); + const change_handler = (selector, each_value, selector_index, el) => { + $$invalidate(0, each_value[selector_index].val = el.target.value, selectors); + }; $$self.$$set = $$props => { - if ("sortedTrails" in $$props) $$invalidate(0, sortedTrails = $$props.sortedTrails); - if ("app" in $$props) $$invalidate(1, app = $$props.app); - if ("plugin" in $$props) $$invalidate(6, plugin = $$props.plugin); + if ("modal" in $$props) $$invalidate(1, modal = $$props.modal); + if ("settings" in $$props) $$invalidate(2, settings = $$props.settings); }; $$self.$$.update = () => { - if ($$self.$$.dirty & /*showAll, sortedTrails*/ 5) { - $$invalidate(3, trailsToShow = showAll ? sortedTrails : [sortedTrails[0]]); + if ($$self.$$.dirty & /*selectors, modal*/ 3) { + argArr = [ + graphs[selectors[1].val][selectors[2].val][selectors[3].val], + app, + currFile, + modal, + width, + height + ]; + } + + if ($$self.$$.dirty & /*selectors*/ 1) { + draw(selectors[0].val); } }; - return [ - sortedTrails, - app, - showAll, - trailsToShow, - settings, - view, - plugin, - click_handler, - mouseover_handler, - click_handler_1 - ]; + return [selectors, modal, settings, change_handler]; } -class TrailPath extends SvelteComponent { +class VisComp extends SvelteComponent { constructor(options) { super(); - if (!document.getElementById("svelte-3c1frp-style")) add_css(); - init(this, options, instance, create_fragment, safe_not_equal, { sortedTrails: 0, app: 1, plugin: 6 }); + init(this, options, instance, create_fragment, safe_not_equal, { modal: 1, settings: 2 }); } } +function graphlibToD3(g) { + const d3Graph = { nodes: [], links: [] }; + const edgeIDs = {}; + g.nodes().forEach((node, i) => { + d3Graph.nodes.push({ id: i, name: node }); + edgeIDs[node] = i; + }); + g.forEachEdge((k, a, s, t) => { + d3Graph.links.push({ + source: edgeIDs[s], + target: edgeIDs[t], + }); + }); + return d3Graph; +} +function bfsAdjList(g, startNode) { + const queue = [startNode]; + const adjList = []; + let i = 0; + while (queue.length && i < 1000) { + i++; + const currNode = queue.shift(); + const neighbours = { + succs: getOutNeighbours(g, currNode), + pres: getInNeighbours(g, currNode), + }; + console.log({ currNode, neighbours }); + const next = { + name: currNode, + pres: undefined, + succs: undefined, + parentId: i, + depth: i, + }; + if (neighbours.succs.length) { + next.succs = neighbours.succs; + queue.push(...neighbours.succs); + } + if (neighbours.pres.length) { + next.pres = neighbours.pres; + } + adjList.push(next); + } + const maxDepth = adjList.sort((a, b) => a.depth - b.depth).last().depth; + adjList.forEach((item) => (item.height = maxDepth - item.depth)); + return adjList; +} +function dfsFlatAdjList(g, startNode) { + const nodes = g.nodes(); + const nodeCount = nodes.length; + const visits = {}; + nodes.forEach((node, i) => { + visits[node] = nodeCount * i; + }); + const queue = [startNode]; + const adjList = []; + let depth = 1; + let i = 0; + while (queue.length && i < 1000) { + i++; + const currNode = queue.shift(); + const next = getOutNeighbours(g, currNode); + if (next.length) { + queue.unshift(...next); + next.forEach((succ) => { + const parentId = nodeCount * nodes.indexOf(succ); + if (!adjList.some((adjItem) => adjItem.name === currNode && adjItem.parentId === parentId)) { + adjList.push({ + id: visits[currNode], + name: currNode, + parentId, + depth, + }); + visits[currNode]++; + } + }); + depth++; + } + else { + adjList.push({ + id: visits[currNode], + name: currNode, + parentId: 999999999, + depth, + }); + depth = 1; + visits[currNode]++; + } + } + adjList.push({ + id: 999999999, + name: "CONTAINER", + parentId: undefined, + depth: 0, + }); + const maxDepth = adjList.sort((a, b) => a.depth - b.depth).last().depth; + adjList.forEach((item) => (item.height = maxDepth - item.depth)); + console.log({ visits }); + return adjList; +} +d3_node.stratify() + .id(function (d) { + console.log({ d }); + return d.name; +}) + .parentId(function (d) { + return d.parentId; +}); +class VisModal extends obsidian.Modal { + constructor(app, plugin) { + super(app); + this.plugin = plugin; + this.modal = this; + } + onOpen() { + new obsidian.Notice("Alot of these features may not work, it is still very experimental."); + const { contentEl } = this; + contentEl.empty(); + new VisComp({ + target: contentEl, + props: { + modal: this, + settings: this.plugin.settings, + }, + }); + } + onClose() { + this.contentEl.empty(); + } +} + class BCPlugin extends obsidian.Plugin { constructor() { super(...arguments); @@ -49754,7 +49754,7 @@ class BCPlugin extends obsidian.Plugin { return frontms; } // SECTION OneSource - populateMain(mainG, source, dir, field, target, sourceOrder, targetOrder) { + populateMain(mainG, source, dir, field, target, sourceOrder, targetOrder, opps) { addNodesIfNot(mainG, [source], { dir, field, @@ -49769,10 +49769,15 @@ class BCPlugin extends obsidian.Plugin { order: targetOrder, }); addEdgeIfNot(mainG, source, target, { - //@ts-ignore dir, field, }); + if (opps) { + addEdgeIfNot(mainG, target, source, { + dir: opps.oppDir, + field: opps.oppField, + }); + } // }); } async getCSVRows() { @@ -49983,6 +49988,7 @@ class BCPlugin extends obsidian.Plugin { } addFolderNotesToGraph(frontms, mainG) { const { userHiers } = this.settings; + const upFields = getFields(userHiers, "up"); frontms.forEach((frontm) => { var _a; const folderNoteFile = frontm.file; @@ -49994,7 +50000,6 @@ class BCPlugin extends obsidian.Plugin { .filter((file) => getFolder(file) === folder && file.path !== folderNoteFile.path) .map(getDVBasename); let field = frontm["BC-folder-note-up"]; - const upFields = getFields(userHiers, "up"); if (typeof field !== "string" || !upFields.includes(field)) { field = upFields[0]; } @@ -50006,14 +50011,23 @@ class BCPlugin extends obsidian.Plugin { // This is getting the order of the folder note, not the source pointing up to it const sourceOrder = (_a = parseInt(frontm.order)) !== null && _a !== void 0 ? _a : 9999; const targetOrder = this.getTargetOrder(frontms, folderNoteBasename); - this.populateMain(mainG, source, "up", field, folderNoteBasename, sourceOrder, targetOrder); - this.populateMain(mainG, folderNoteBasename, "down", oppField, source, targetOrder, sourceOrder); + this.populateMain(mainG, source, "up", field, folderNoteBasename, sourceOrder, targetOrder, { oppDir: "down", oppField }); + // this.populateMain( + // mainG, + // folderNoteBasename, + // "down", + // oppField, + // source, + // targetOrder, + // sourceOrder + // ); }); } }); } addTagNotesToGraph(frontms, mainG) { const { userHiers } = this.settings; + const upFields = getFields(userHiers, "up"); frontms.forEach((frontm) => { var _a; const tagNoteFile = frontm.file; @@ -50032,7 +50046,6 @@ class BCPlugin extends obsidian.Plugin { }) .map(getDVBasename); let field = frontm["BC-tag-note-up"]; - const upFields = getFields(userHiers, "up"); if (typeof field !== "string" || !upFields.includes(field)) { field = upFields[0]; } @@ -50044,8 +50057,16 @@ class BCPlugin extends obsidian.Plugin { // This is getting the order of the folder note, not the source pointing up to it const sourceOrder = (_a = parseInt(frontm.order)) !== null && _a !== void 0 ? _a : 9999; const targetOrder = this.getTargetOrder(frontms, tagNoteBasename); - this.populateMain(mainG, source, "up", field, tagNoteBasename, sourceOrder, targetOrder); - this.populateMain(mainG, tagNoteBasename, "down", oppField, source, targetOrder, sourceOrder); + this.populateMain(mainG, source, "up", field, tagNoteBasename, sourceOrder, targetOrder, { oppDir: "down", oppField }); + // this.populateMain( + // mainG, + // tagNoteBasename, + // "down", + // oppField, + // source, + // targetOrder, + // sourceOrder + // ); }); } }); @@ -50053,38 +50074,39 @@ class BCPlugin extends obsidian.Plugin { addLinkNotesToGraph(frontms, mainG) { const { userHiers } = this.settings; frontms.forEach((frontm) => { - var _a; - const tagNoteFile = frontm.file; - if (frontm["BC-tag-note"]) { - const tagNoteBasename = getDVBasename(tagNoteFile); - const tag = frontm["BC-tag-note"].trim(); - if (!tag.startsWith("#")) - return; - const sources = frontms - .map((ff) => ff.file) - .filter((file) => { - var _a, _b; - return file.path !== tagNoteFile.path && - ((_b = (_a = this.app.metadataCache - .getFileCache(file)) === null || _a === void 0 ? void 0 : _a.tags) === null || _b === void 0 ? void 0 : _b.map((t) => t.tag).some((t) => t.includes(tag))); - }) - .map(getDVBasename); - let field = frontm["BC-tag-note-up"]; - const upFields = getFields(userHiers, "up"); - if (typeof field !== "string" || !upFields.includes(field)) { - field = upFields[0]; + var _a, _b, _c; + const linkNoteFile = frontm.file; + if (frontm["BC-link-note"]) { + const linkNoteBasename = getDVBasename(linkNoteFile); + let field = frontm["BC-link-note"]; + const { fieldDir } = getFieldInfo(userHiers, field); + if (typeof field !== "string" || + (fieldDir !== undefined && + !getFields(userHiers, fieldDir).includes(field))) { + field = getFields(userHiers, fieldDir)[0]; } + const dir = getFieldInfo(userHiers, field).fieldDir; const oppField = (_a = getOppFields(userHiers, field)[0]) !== null && _a !== void 0 ? _a : getFields(userHiers, "down")[0]; if (!oppField) return; - sources.forEach((source) => { - var _a; - // This is getting the order of the folder note, not the source pointing up to it - const sourceOrder = (_a = parseInt(frontm.order)) !== null && _a !== void 0 ? _a : 9999; - const targetOrder = this.getTargetOrder(frontms, tagNoteBasename); - this.populateMain(mainG, source, "up", field, tagNoteBasename, sourceOrder, targetOrder); - this.populateMain(mainG, tagNoteBasename, "down", oppField, source, targetOrder, sourceOrder); - }); + const targets = (_b = this.app.metadataCache + .getFileCache(linkNoteFile)) === null || _b === void 0 ? void 0 : _b.links.map((l) => l.link.match(/[^#|]+/)[0]); + console.log({ targets }); + // This is getting the order of the folder note, not the source pointing up to it + for (const target of targets) { + const sourceOrder = (_c = parseInt(frontm.order)) !== null && _c !== void 0 ? _c : 9999; + const targetOrder = this.getTargetOrder(frontms, linkNoteBasename); + this.populateMain(mainG, linkNoteBasename, dir, field, target, sourceOrder, targetOrder, { oppDir: getOppDir(dir), oppField }); + } + // this.populateMain( + // mainG, + // tagNoteBasename, + // "down", + // oppField, + // source, + // targetOrder, + // sourceOrder + // ); } }); } diff --git a/src/main.ts b/src/main.ts index 0e7d5598..c55b1762 100644 --- a/src/main.ts +++ b/src/main.ts @@ -875,61 +875,57 @@ export default class BCPlugin extends Plugin { }); } - addLinkNotesToGraph(frontms, mainG: MultiGraph) { + addLinkNotesToGraph(frontms: dvFrontmatterCache[], mainG: MultiGraph) { const { userHiers } = this.settings; frontms.forEach((frontm) => { - const tagNoteFile = frontm.file; - if (frontm["BC-tag-note"]) { - const tagNoteBasename = getDVBasename(tagNoteFile); - const tag = (frontm["BC-tag-note"] as string).trim(); - if (!tag.startsWith("#")) return; - - const sources = frontms - .map((ff) => ff.file) - .filter( - (file) => - file.path !== tagNoteFile.path && - this.app.metadataCache - .getFileCache(file) - ?.tags?.map((t) => t.tag) - .some((t) => t.includes(tag)) - ) - .map(getDVBasename); + const linkNoteFile = frontm.file; + if (frontm["BC-link-note"]) { + const linkNoteBasename = getDVBasename(linkNoteFile); - let field = frontm["BC-tag-note-up"]; - const upFields = getFields(userHiers, "up"); - if (typeof field !== "string" || !upFields.includes(field)) { - field = upFields[0]; + let field = frontm["BC-link-note"] as string; + const { fieldDir } = getFieldInfo(userHiers, field as string); + if ( + typeof field !== "string" || + (fieldDir !== undefined && + !getFields(userHiers, fieldDir).includes(field)) + ) { + field = getFields(userHiers, fieldDir)[0]; } - + const dir = getFieldInfo(userHiers, field as string).fieldDir; const oppField = getOppFields(userHiers, field as string)[0] ?? getFields(userHiers, "down")[0]; if (!oppField) return; - sources.forEach((source) => { - // This is getting the order of the folder note, not the source pointing up to it + const targets = this.app.metadataCache + .getFileCache(linkNoteFile) + ?.links.map((l) => l.link.match(/[^#|]+/)[0]); + console.log({ targets }); + + // This is getting the order of the folder note, not the source pointing up to it + for (const target of targets) { const sourceOrder = parseInt(frontm.order as string) ?? 9999; - const targetOrder = this.getTargetOrder(frontms, tagNoteBasename); + const targetOrder = this.getTargetOrder(frontms, linkNoteBasename); this.populateMain( mainG, - source, - "up", + linkNoteBasename, + dir, field as string, - tagNoteBasename, + target, sourceOrder, - targetOrder - ); - this.populateMain( - mainG, - tagNoteBasename, - "down", - oppField, - source, targetOrder, - sourceOrder + { oppDir: getOppDir(dir), oppField } ); - }); + } + // this.populateMain( + // mainG, + // tagNoteBasename, + // "down", + // oppField, + // source, + // targetOrder, + // sourceOrder + // ); } }); }