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fixing conflict

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commit 75d335d282ac6ea7cfb012b42cc5c68b76d60504 2 parents 4ea3efc + 06e1a98
Zachary Johnson authored
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17 .project
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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+ <name>hexbin-js</name>
+ <comment></comment>
+ <projects>
+ </projects>
+ <buildSpec>
+ <buildCommand>
+ <name>com.aptana.ide.core.unifiedBuilder</name>
+ <arguments>
+ </arguments>
+ </buildCommand>
+ </buildSpec>
+ <natures>
+ <nature>com.aptana.projects.webnature</nature>
+ </natures>
+</projectDescription>
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0  README
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1  data/json/139309.json
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2,005 data/json/crime-data-2000.json
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2,005 data/json/crime-data-downtown
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2,005 data/json/crime-data-downtown.json
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4,005 data/json/crime-data.json
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1  data/json/starbucks_on_earth.json
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1  index.html
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+
cacaw
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692 lib/d3.geo.js
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+(function(){d3.geo = {};
+// TODO clip input coordinates on opposite hemisphere
+d3.geo.azimuthal = function() {
+ var mode = "orthographic", // or stereographic
+ origin,
+ scale = 200,
+ translate = [480, 250],
+ x0,
+ y0,
+ cy0,
+ sy0;
+
+ function azimuthal(coordinates) {
+ var x1 = coordinates[0] * d3_radians - x0,
+ y1 = coordinates[1] * d3_radians,
+ cx1 = Math.cos(x1),
+ sx1 = Math.sin(x1),
+ cy1 = Math.cos(y1),
+ sy1 = Math.sin(y1),
+ k = mode === "stereographic" ? 1 / (1 + sy0 * sy1 + cy0 * cy1 * cx1) : 1,
+ x = k * cy1 * sx1,
+ y = k * (sy0 * cy1 * cx1 - cy0 * sy1);
+ return [
+ scale * x + translate[0],
+ scale * y + translate[1]
+ ];
+ }
+
+ azimuthal.invert = function(coordinates) {
+ var x = (coordinates[0] - translate[0]) / scale,
+ y = (coordinates[1] - translate[1]) / scale,
+ p = Math.sqrt(x * x + y * y),
+ c = mode === "stereographic" ? 2 * Math.atan(p) : Math.asin(p),
+ sc = Math.sin(c),
+ cc = Math.cos(c);
+ return [
+ (x0 + Math.atan2(x * sc, p * cy0 * cc + y * sy0 * sc)) / d3_radians,
+ Math.asin(cc * sy0 - (y * sc * cy0) / p) / d3_radians
+ ];
+ };
+
+ azimuthal.mode = function(x) {
+ if (!arguments.length) return mode;
+ mode = x + "";
+ return azimuthal;
+ };
+
+ azimuthal.origin = function(x) {
+ if (!arguments.length) return origin;
+ origin = x;
+ x0 = origin[0] * d3_radians;
+ y0 = origin[1] * d3_radians;
+ cy0 = Math.cos(y0);
+ sy0 = Math.sin(y0);
+ return azimuthal;
+ };
+
+ azimuthal.scale = function(x) {
+ if (!arguments.length) return scale;
+ scale = +x;
+ return azimuthal;
+ };
+
+ azimuthal.translate = function(x) {
+ if (!arguments.length) return translate;
+ translate = [+x[0], +x[1]];
+ return azimuthal;
+ };
+
+ return azimuthal.origin([0, 0]);
+};
+// Derived from Tom Carden's Albers implementation for Protovis.
+// http://gist.github.com/476238
+// http://mathworld.wolfram.com/AlbersEqual-AreaConicProjection.html
+
+d3.geo.albers = function() {
+ var origin = [-98, 38],
+ parallels = [29.5, 45.5],
+ scale = 1000,
+ translate = [480, 250],
+ lng0, // d3_radians * origin[0]
+ n,
+ C,
+ p0;
+
+ function albers(coordinates) {
+ var t = n * (d3_radians * coordinates[0] - lng0),
+ p = Math.sqrt(C - 2 * n * Math.sin(d3_radians * coordinates[1])) / n;
+ return [
+ scale * p * Math.sin(t) + translate[0],
+ scale * (p * Math.cos(t) - p0) + translate[1]
+ ];
+ }
+
+ albers.invert = function(coordinates) {
+ var x = (coordinates[0] - translate[0]) / scale,
+ y = (coordinates[1] - translate[1]) / scale,
+ p0y = p0 + y,
+ t = Math.atan2(x, p0y),
+ p = Math.sqrt(x * x + p0y * p0y);
+ return [
+ (lng0 + t / n) / d3_radians,
+ Math.asin((C - p * p * n * n) / (2 * n)) / d3_radians
+ ];
+ };
+
+ function reload() {
+ var phi1 = d3_radians * parallels[0],
+ phi2 = d3_radians * parallels[1],
+ lat0 = d3_radians * origin[1],
+ s = Math.sin(phi1),
+ c = Math.cos(phi1);
+ lng0 = d3_radians * origin[0];
+ n = .5 * (s + Math.sin(phi2));
+ C = c * c + 2 * n * s;
+ p0 = Math.sqrt(C - 2 * n * Math.sin(lat0)) / n;
+ return albers;
+ }
+
+ albers.origin = function(x) {
+ if (!arguments.length) return origin;
+ origin = [+x[0], +x[1]];
+ return reload();
+ };
+
+ albers.parallels = function(x) {
+ if (!arguments.length) return parallels;
+ parallels = [+x[0], +x[1]];
+ return reload();
+ };
+
+ albers.scale = function(x) {
+ if (!arguments.length) return scale;
+ scale = +x;
+ return albers;
+ };
+
+ albers.translate = function(x) {
+ if (!arguments.length) return translate;
+ translate = [+x[0], +x[1]];
+ return albers;
+ };
+
+ return reload();
+};
+
+// A composite projection for the United States, 960x500. 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
+// TODO allow the composite projection to be rescaled?
+d3.geo.albersUsa = function() {
+ var lower48 = d3.geo.albers();
+
+ var alaska = d3.geo.albers()
+ .origin([-160, 60])
+ .parallels([55, 65]);
+
+ var hawaii = d3.geo.albers()
+ .origin([-160, 20])
+ .parallels([8, 18]);
+
+ var puertoRico = d3.geo.albers()
+ .origin([-60, 10])
+ .parallels([8, 18]);
+
+ function albersUsa(coordinates) {
+ var lon = coordinates[0],
+ lat = coordinates[1];
+ return (lat > 50 ? alaska
+ : lon < -140 ? hawaii
+ : lat < 21 ? puertoRico
+ : lower48)(coordinates);
+ }
+
+ albersUsa.scale = function(x) {
+ if (!arguments.length) return lower48.scale();
+ lower48.scale(x);
+ alaska.scale(x * .6);
+ hawaii.scale(x);
+ puertoRico.scale(x * 1.5);
+ return albersUsa.translate(lower48.translate());
+ };
+
+ albersUsa.translate = function(x) {
+ if (!arguments.length) return lower48.translate();
+ var dz = lower48.scale() / 1000,
+ dx = x[0],
+ dy = x[1];
+ lower48.translate(x);
+ alaska.translate([dx - 400 * dz, dy + 170 * dz]);
+ hawaii.translate([dx - 190 * dz, dy + 200 * dz]);
+ puertoRico.translate([dx + 580 * dz, dy + 430 * dz]);
+ return albersUsa;
+ };
+
+ return albersUsa.scale(lower48.scale());
+};
+
+var d3_radians = Math.PI / 180;
+d3.geo.mercator = function() {
+ var scale = 500,
+ translate = [480, 250];
+
+ function mercator(coordinates) {
+ var x = coordinates[0] / 360,
+ y = -(Math.log(Math.tan(Math.PI / 4 + coordinates[1] * d3_radians / 2)) / d3_radians) / 360;
+ return [
+ scale * x + translate[0],
+ scale * Math.max(-.5, Math.min(.5, y)) + translate[1]
+ ];
+ }
+
+ mercator.invert = function(coordinates) {
+ var x = (coordinates[0] - translate[0]) / scale,
+ y = (coordinates[1] - translate[1]) / scale;
+ return [
+ 360 * x,
+ 2 * Math.atan(Math.exp(-360 * y * d3_radians)) / d3_radians - 90
+ ];
+ };
+
+ mercator.scale = function(x) {
+ if (!arguments.length) return scale;
+ scale = +x;
+ return mercator;
+ };
+
+ mercator.translate = function(x) {
+ if (!arguments.length) return translate;
+ translate = [+x[0], +x[1]];
+ return mercator;
+ };
+
+ return mercator;
+};
+/**
+ * Returns a function that, given a GeoJSON object (e.g., a feature), returns
+ * the corresponding SVG path. The function can be customized by overriding the
+ * projection. Point features are mapped to circles with a default radius of
+ * 4.5px; the radius can be specified either as a constant or a function that
+ * is evaluated per object.
+ */
+d3.geo.path = function() {
+ var pointRadius = 4.5,
+ pointCircle = d3_path_circle(pointRadius),
+ projection = d3.geo.albersUsa();
+
+ function path(d, i) {
+ if (typeof pointRadius === "function") {
+ pointCircle = d3_path_circle(pointRadius.apply(this, arguments));
+ }
+ return d3_geo_pathType(pathTypes, d);
+ }
+
+ function project(coordinates) {
+ return projection(coordinates).join(",");
+ }
+
+ var pathTypes = {
+
+ FeatureCollection: function(f) {
+ var path = [],
+ features = f.features,
+ i = -1, // features.index
+ n = features.length;
+ while (++i < n) path.push(d3_geo_pathType(pathTypes, features[i].geometry));
+ return path.join("");
+ },
+
+ Feature: function(f) {
+ return d3_geo_pathType(pathTypes, f.geometry);
+ },
+
+ Point: function(o) {
+ return "M" + project(o.coordinates) + pointCircle;
+ },
+
+ MultiPoint: function(o) {
+ var path = [],
+ coordinates = o.coordinates,
+ i = -1, // coordinates.index
+ n = coordinates.length;
+ while (++i < n) path.push("M", project(coordinates[i]), pointCircle);
+ return path.join("");
+ },
+
+ LineString: function(o) {
+ var path = ["M"],
+ coordinates = o.coordinates,
+ i = -1, // coordinates.index
+ n = coordinates.length;
+ while (++i < n) path.push(project(coordinates[i]), "L");
+ path.pop();
+ return path.join("");
+ },
+
+ MultiLineString: function(o) {
+ var path = [],
+ coordinates = o.coordinates,
+ i = -1, // coordinates.index
+ n = coordinates.length,
+ subcoordinates, // coordinates[i]
+ j, // subcoordinates.index
+ m; // subcoordinates.length
+ while (++i < n) {
+ subcoordinates = coordinates[i];
+ j = -1;
+ m = subcoordinates.length;
+ path.push("M");
+ while (++j < m) path.push(project(subcoordinates[j]), "L");
+ path.pop();
+ }
+ return path.join("");
+ },
+
+ Polygon: function(o) {
+ var path = [],
+ coordinates = o.coordinates,
+ i = -1, // coordinates.index
+ n = coordinates.length,
+ subcoordinates, // coordinates[i]
+ j, // subcoordinates.index
+ m; // subcoordinates.length
+ while (++i < n) {
+ subcoordinates = coordinates[i];
+ j = -1;
+ m = subcoordinates.length;
+ path.push("M");
+ while (++j < m) path.push(project(subcoordinates[j]), "L");
+ path[path.length - 1] = "Z";
+ }
+ return path.join("");
+ },
+
+ MultiPolygon: function(o) {
+ var path = [],
+ coordinates = o.coordinates,
+ i = -1, // coordinates index
+ n = coordinates.length,
+ subcoordinates, // coordinates[i]
+ j, // subcoordinates index
+ m, // subcoordinates.length
+ subsubcoordinates, // subcoordinates[j]
+ k, // subsubcoordinates index
+ p; // subsubcoordinates.length
+ while (++i < n) {
+ subcoordinates = coordinates[i];
+ j = -1;
+ m = subcoordinates.length;
+ while (++j < m) {
+ subsubcoordinates = subcoordinates[j];
+ k = -1;
+ p = subsubcoordinates.length - 1;
+ path.push("M");
+ while (++k < p) path.push(project(subsubcoordinates[k]), "L");
+ path[path.length - 1] = "Z";
+ }
+ }
+ return path.join("");
+ },
+
+ GeometryCollection: function(o) {
+ var path = [],
+ geometries = o.geometries,
+ i = -1, // geometries index
+ n = geometries.length;
+ while (++i < n) path.push(d3_geo_pathType(pathTypes, geometries[i]));
+ return path.join("");
+ }
+
+ };
+
+ var areaTypes = {
+
+ FeatureCollection: function(f) {
+ var area = 0,
+ features = f.features,
+ i = -1, // features.index
+ n = features.length;
+ while (++i < n) area += d3_geo_pathType(areaTypes, features[i]);
+ return area;
+ },
+
+ Feature: function(f) {
+ return d3_geo_pathType(areaTypes, f.geometry);
+ },
+
+ Point: d3_geo_pathZero,
+ MultiPoint: d3_geo_pathZero,
+ LineString: d3_geo_pathZero,
+ MultiLineString: d3_geo_pathZero,
+
+ Polygon: function(o) {
+ return polygonArea(o.coordinates);
+ },
+
+ MultiPolygon: function(o) {
+ var sum = 0,
+ coordinates = o.coordinates,
+ i = -1, // coordinates index
+ n = coordinates.length;
+ while (++i < n) sum += polygonArea(coordinates[i]);
+ return sum;
+ },
+
+ GeometryCollection: function(o) {
+ var sum = 0,
+ geometries = o.geometries,
+ i = -1, // geometries index
+ n = geometries.length;
+ while (++i < n) sum += d3_geo_pathType(areaTypes, geometries[i]);
+ return sum;
+ }
+
+ };
+
+ function polygonArea(coordinates) {
+ var sum = area(coordinates[0]), // exterior ring
+ i = 0, // coordinates.index
+ n = coordinates.length;
+ while (++i < n) sum -= area(coordinates[i]); // holes
+ return sum;
+ }
+
+ function polygonCentroid(coordinates) {
+ var polygon = d3.geom.polygon(coordinates[0].map(projection)), // exterior ring
+ centroid = polygon.centroid(1),
+ x = centroid[0],
+ y = centroid[1],
+ z = Math.abs(polygon.area()),
+ i = 0, // coordinates index
+ n = coordinates.length;
+ while (++i < n) {
+ polygon = d3.geom.polygon(coordinates[i].map(projection)); // holes
+ centroid = polygon.centroid(1);
+ x -= centroid[0];
+ y -= centroid[1];
+ z -= Math.abs(polygon.area());
+ }
+ return [x, y, 6 * z]; // weighted centroid
+ }
+
+ var centroidTypes = {
+
+ // TODO FeatureCollection
+ // TODO Point
+ // TODO MultiPoint
+ // TODO LineString
+ // TODO MultiLineString
+ // TODO GeometryCollection
+
+ Feature: function(f) {
+ return d3_geo_pathType(centroidTypes, f.geometry);
+ },
+
+ Polygon: function(o) {
+ var centroid = polygonCentroid(o.coordinates);
+ return [centroid[0] / centroid[2], centroid[1] / centroid[2]];
+ },
+
+ MultiPolygon: function(o) {
+ var area = 0,
+ coordinates = o.coordinates,
+ centroid,
+ x = 0,
+ y = 0,
+ z = 0,
+ i = -1, // coordinates index
+ n = coordinates.length;
+ while (++i < n) {
+ centroid = polygonCentroid(coordinates[i]);
+ x += centroid[0];
+ y += centroid[1];
+ z += centroid[2];
+ }
+ return [x / z, y / z];
+ }
+
+ };
+
+
+ function area(coordinates) {
+ return Math.abs(d3.geom.polygon(coordinates.map(projection)).area());
+ }
+
+ path.projection = function(x) {
+ projection = x;
+ return path;
+ };
+
+ path.area = function(d) {
+ return d3_geo_pathType(areaTypes, d);
+ };
+
+ path.centroid = function(d) {
+ return d3_geo_pathType(centroidTypes, d);
+ };
+
+ path.pointRadius = function(x) {
+ if (typeof x === "function") pointRadius = x;
+ else {
+ pointRadius = +x;
+ pointCircle = d3_path_circle(pointRadius);
+ }
+ return path;
+ };
+
+ return path;
+};
+
+function d3_path_circle(radius) {
+ return "m0," + radius
+ + "a" + radius + "," + radius + " 0 1,1 0," + (-2 * radius)
+ + "a" + radius + "," + radius + " 0 1,1 0," + (+2 * radius)
+ + "z";
+}
+
+function d3_geo_pathZero() {
+ return 0;
+}
+
+function d3_geo_pathType(types, o) {
+ return o && o.type in types ? types[o.type](o) : "";
+}
+/**
+ * Given a GeoJSON object, returns the corresponding bounding box. The bounding
+ * box is represented by a two-dimensional array: [[left, bottom], [right,
+ * top]], where left is the minimum longitude, bottom is the minimum latitude,
+ * right is maximum longitude, and top is the maximum latitude.
+ */
+d3.geo.bounds = function(feature) {
+ var left = Infinity,
+ bottom = Infinity,
+ right = -Infinity,
+ top = -Infinity;
+ d3_geo_bounds(feature, function(x, y) {
+ if (x < left) left = x;
+ if (x > right) right = x;
+ if (y < bottom) bottom = y;
+ if (y > top) top = y;
+ });
+ return [[left, bottom], [right, top]];
+};
+
+function d3_geo_bounds(o, f) {
+ if (o.type in d3_geo_boundsTypes) d3_geo_boundsTypes[o.type](o, f);
+}
+
+var d3_geo_boundsTypes = {
+ Feature: d3_geo_boundsFeature,
+ FeatureCollection: d3_geo_boundsFeatureCollection,
+ LineString: d3_geo_boundsLineString,
+ MultiLineString: d3_geo_boundsMultiLineString,
+ MultiPoint: d3_geo_boundsLineString,
+ MultiPolygon: d3_geo_boundsMultiPolygon,
+ Point: d3_geo_boundsPoint,
+ Polygon: d3_geo_boundsPolygon
+};
+
+function d3_geo_boundsFeature(o, f) {
+ d3_geo_bounds(o.geometry, f);
+}
+
+function d3_geo_boundsFeatureCollection(o, f) {
+ for (var a = o.features, i = 0, n = a.length; i < n; i++) {
+ d3_geo_bounds(a[i].geometry, f);
+ }
+}
+
+function d3_geo_boundsLineString(o, f) {
+ for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) {
+ f.apply(null, a[i]);
+ }
+}
+
+function d3_geo_boundsMultiLineString(o, f) {
+ for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) {
+ for (var b = a[i], j = 0, m = b.length; j < m; j++) {
+ f.apply(null, b[j]);
+ }
+ }
+}
+
+function d3_geo_boundsMultiPolygon(o, f) {
+ for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) {
+ for (var b = a[i][0], j = 0, m = b.length; j < m; j++) {
+ f.apply(null, b[j]);
+ }
+ }
+}
+
+function d3_geo_boundsPoint(o, f) {
+ f.apply(null, o.coordinates);
+}
+
+function d3_geo_boundsPolygon(o, f) {
+ for (var a = o.coordinates[0], i = 0, n = a.length; i < n; i++) {
+ f.apply(null, a[i]);
+ }
+}
+// From http://williams.best.vwh.net/avform.htm#Intermediate
+d3.geo.greatCircle = function() {
+ var source = d3_geo_greatCircleSource,
+ target = d3_geo_greatCircleTarget,
+ n = 100,
+ radius = 6371; // Mean radius of Earth, in km.
+ // TODO: breakAtDateLine?
+
+ function greatCircle(d, i) {
+ var from = source.call(this, d, i),
+ to = target.call(this, d, i),
+ x0 = from[0] * d3_radians,
+ y0 = from[1] * d3_radians,
+ x1 = to[0] * d3_radians,
+ y1 = to[1] * d3_radians,
+ cx0 = Math.cos(x0), sx0 = Math.sin(x0),
+ cy0 = Math.cos(y0), sy0 = Math.sin(y0),
+ cx1 = Math.cos(x1), sx1 = Math.sin(x1),
+ cy1 = Math.cos(y1), sy1 = Math.sin(y1),
+ d = Math.acos(sy0 * sy1 + cy0 * cy1 * Math.cos(x1 - x0)),
+ sd = Math.sin(d),
+ f = d / (n - 1),
+ e = -f,
+ path = [],
+ i = -1;
+
+ while (++i < n) {
+ e += f;
+ var A = Math.sin(d - e) / sd,
+ B = Math.sin(e) / sd,
+ x = A * cy0 * cx0 + B * cy1 * cx1,
+ y = A * cy0 * sx0 + B * cy1 * sx1,
+ z = A * sy0 + B * sy1;
+ path[i] = [
+ Math.atan2(y, x) / d3_radians,
+ Math.atan2(z, Math.sqrt(x * x + y * y)) / d3_radians
+ ];
+ }
+
+ return path;
+ }
+
+ greatCircle.source = function(x) {
+ if (!arguments.length) return source;
+ source = x;
+ return greatCircle;
+ };
+
+ greatCircle.target = function(x) {
+ if (!arguments.length) return target;
+ target = x;
+ return greatCircle;
+ };
+
+ greatCircle.n = function(x) {
+ if (!arguments.length) return n;
+ n = +x;
+ return greatCircle;
+ };
+
+ greatCircle.radius = function(x) {
+ if (!arguments.length) return radius;
+ radius = +x;
+ return greatCircle;
+ };
+
+ // Haversine formula for great-circle distance.
+ greatCircle.distance = function(d, i) {
+ var from = source.call(this, d, i),
+ to = target.call(this, d, i),
+ x0 = from[0] * d3_radians,
+ y0 = from[1] * d3_radians,
+ x1 = to[0] * d3_radians,
+ y1 = to[1] * d3_radians,
+ sy = Math.sin((y1 - y0) / 2),
+ sx = Math.sin((x1 - x0) / 2),
+ a = sy * sy + Math.cos(y0) * Math.cos(y1) * sx * sx;
+
+ return radius * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
+ };
+
+ return greatCircle;
+};
+
+function d3_geo_greatCircleSource(d) {
+ return d.source;
+}
+
+function d3_geo_greatCircleTarget(d) {
+ return d.target;
+}
+})();
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3,592 lib/d3.js
@@ -0,0 +1,3592 @@
+(function(){d3 = {version: "1.29.1"}; // semver
+if (!Date.now) Date.now = function() {
+ return +new Date;
+};
+if (!Object.create) Object.create = function(o) {
+ /** @constructor */ function f() {}
+ f.prototype = o;
+ return new f;
+};
+var d3_array = d3_arraySlice; // conversion for NodeLists
+
+function d3_arrayCopy(psuedoarray) {
+ var i = -1, n = psuedoarray.length, array = [];
+ while (++i < n) array.push(psuedoarray[i]);
+ return array;
+}
+
+function d3_arraySlice(psuedoarray) {
+ return Array.prototype.slice.call(psuedoarray);
+}
+
+try {
+ d3_array(document.documentElement.childNodes)[0].nodeType;
+} catch(e) {
+ d3_array = d3_arrayCopy;
+}
+d3.functor = function(v) {
+ return typeof v === "function" ? v : function() { return v; };
+};
+// A getter-setter method that preserves the appropriate `this` context.
+d3.rebind = function(object, method) {
+ return function() {
+ var x = method.apply(object, arguments);
+ return arguments.length ? object : x;
+ };
+};
+d3.ascending = function(a, b) {
+ return a < b ? -1 : a > b ? 1 : 0;
+};
+d3.descending = function(a, b) {
+ return b < a ? -1 : b > a ? 1 : 0;
+};
+d3.min = function(array, f) {
+ var i = -1,
+ n = array.length,
+ a,
+ b;
+ if (arguments.length === 1) {
+ while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
+ while (++i < n) if ((b = array[i]) != null && a > b) a = b;
+ } else {
+ while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
+ while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;
+ }
+ return a;
+};
+d3.max = function(array, f) {
+ var i = -1,
+ n = array.length,
+ a,
+ b;
+ if (arguments.length === 1) {
+ while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
+ while (++i < n) if ((b = array[i]) != null && b > a) a = b;
+ } else {
+ while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
+ while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;
+ }
+ return a;
+};
+d3.sum = function(array, f) {
+ var s = 0,
+ n = array.length,
+ a,
+ i = -1;
+
+ if (arguments.length === 1) {
+ while (++i < n) if (!isNaN(a = +array[i])) s += a;
+ } else {
+ while (++i < n) if (!isNaN(a = +f.call(array, array[i], i))) s += a;
+ }
+
+ return s;
+};
+// R-7 per <http://en.wikipedia.org/wiki/Quantile>
+d3.quantile = function(values, p) {
+ var H = (values.length - 1) * p + 1,
+ h = Math.floor(H),
+ v = values[h - 1],
+ e = H - h;
+ return e ? v + e * (values[h] - v) : v;
+};
+d3.zip = function() {
+ if (!(n = arguments.length)) return [];
+ for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m;) {
+ for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n;) {
+ zip[j] = arguments[j][i];
+ }
+ }
+ return zips;
+};
+
+function d3_zipLength(d) {
+ return d.length;
+}
+// Locate the insertion point for x in a to maintain sorted order. The
+// arguments lo and hi may be used to specify a subset of the array which should
+// be considered; by default the entire array is used. If x is already present
+// in a, the insertion point will be before (to the left of) any existing
+// entries. The return value is suitable for use as the first argument to
+// `array.splice` assuming that a is already sorted.
+//
+// The returned insertion point i partitions the array a into two halves so that
+// all v < x for v in a[lo:i] for the left side and all v >= x for v in a[i:hi]
+// for the right side.
+d3.bisectLeft = function(a, x, lo, hi) {
+ if (arguments.length < 3) lo = 0;
+ if (arguments.length < 4) hi = a.length;
+ while (lo < hi) {
+ var mid = (lo + hi) >> 1;
+ if (a[mid] < x) lo = mid + 1;
+ else hi = mid;
+ }
+ return lo;
+};
+
+// Similar to bisectLeft, but returns an insertion point which comes after (to
+// the right of) any existing entries of x in a.
+//
+// The returned insertion point i partitions the array into two halves so that
+// all v <= x for v in a[lo:i] for the left side and all v > x for v in a[i:hi]
+// for the right side.
+d3.bisect =
+d3.bisectRight = function(a, x, lo, hi) {
+ if (arguments.length < 3) lo = 0;
+ if (arguments.length < 4) hi = a.length;
+ while (lo < hi) {
+ var mid = (lo + hi) >> 1;
+ if (x < a[mid]) hi = mid;
+ else lo = mid + 1;
+ }
+ return lo;
+};
+d3.first = function(array, f) {
+ var i = 0,
+ n = array.length,
+ a = array[0],
+ b;
+ if (arguments.length === 1) f = d3.ascending;
+ while (++i < n) {
+ if (f.call(array, a, b = array[i]) > 0) {
+ a = b;
+ }
+ }
+ return a;
+};
+d3.last = function(array, f) {
+ var i = 0,
+ n = array.length,
+ a = array[0],
+ b;
+ if (arguments.length === 1) f = d3.ascending;
+ while (++i < n) {
+ if (f.call(array, a, b = array[i]) <= 0) {
+ a = b;
+ }
+ }
+ return a;
+};
+d3.nest = function() {
+ var nest = {},
+ keys = [],
+ sortKeys = [],
+ sortValues,
+ rollup;
+
+ function map(array, depth) {
+ if (depth >= keys.length) return rollup
+ ? rollup.call(nest, array) : (sortValues
+ ? array.sort(sortValues)
+ : array);
+
+ var i = -1,
+ n = array.length,
+ key = keys[depth++],
+ keyValue,
+ object,
+ o = {};
+
+ while (++i < n) {
+ if ((keyValue = key(object = array[i])) in o) {
+ o[keyValue].push(object);
+ } else {
+ o[keyValue] = [object];
+ }
+ }
+
+ for (keyValue in o) {
+ o[keyValue] = map(o[keyValue], depth);
+ }
+
+ return o;
+ }
+
+ function entries(map, depth) {
+ if (depth >= keys.length) return map;
+
+ var a = [],
+ sortKey = sortKeys[depth++],
+ key;
+
+ for (key in map) {
+ a.push({key: key, values: entries(map[key], depth)});
+ }
+
+ if (sortKey) a.sort(function(a, b) {
+ return sortKey(a.key, b.key);
+ });
+
+ return a;
+ }
+
+ nest.map = function(array) {
+ return map(array, 0);
+ };
+
+ nest.entries = function(array) {
+ return entries(map(array, 0), 0);
+ };
+
+ nest.key = function(d) {
+ keys.push(d);
+ return nest;
+ };
+
+ // Specifies the order for the most-recently specified key.
+ // Note: only applies to entries. Map keys are unordered!
+ nest.sortKeys = function(order) {
+ sortKeys[keys.length - 1] = order;
+ return nest;
+ };
+
+ // Specifies the order for leaf values.
+ // Applies to both maps and entries array.
+ nest.sortValues = function(order) {
+ sortValues = order;
+ return nest;
+ };
+
+ nest.rollup = function(f) {
+ rollup = f;
+ return nest;
+ };
+
+ return nest;
+};
+d3.keys = function(map) {
+ var keys = [];
+ for (var key in map) keys.push(key);
+ return keys;
+};
+d3.values = function(map) {
+ var values = [];
+ for (var key in map) values.push(map[key]);
+ return values;
+};
+d3.entries = function(map) {
+ var entries = [];
+ for (var key in map) entries.push({key: key, value: map[key]});
+ return entries;
+};
+d3.permute = function(array, indexes) {
+ var permutes = [],
+ i = -1,
+ n = indexes.length;
+ while (++i < n) permutes[i] = array[indexes[i]];
+ return permutes;
+};
+d3.merge = function(arrays) {
+ return Array.prototype.concat.apply([], arrays);
+};
+d3.split = function(array, f) {
+ var arrays = [],
+ values = [],
+ value,
+ i = -1,
+ n = array.length;
+ if (arguments.length < 2) f = d3_splitter;
+ while (++i < n) {
+ if (f.call(values, value = array[i], i)) {
+ values = [];
+ } else {
+ if (!values.length) arrays.push(values);
+ values.push(value);
+ }
+ }
+ return arrays;
+};
+
+function d3_splitter(d) {
+ return d == null;
+}
+function d3_collapse(s) {
+ return s.replace(/(^\s+)|(\s+$)/g, "").replace(/\s+/g, " ");
+}
+//
+// Note: assigning to the arguments array simultaneously changes the value of
+// the corresponding argument!
+//
+// TODO The `this` argument probably shouldn't be the first argument to the
+// callback, anyway, since it's redundant. However, that will require a major
+// version bump due to backwards compatibility, so I'm not changing it right
+// away.
+//
+function d3_call(callback) {
+ callback.apply(this, (arguments[0] = this, arguments));
+ return this;
+}
+/**
+ * @param {number} start
+ * @param {number=} stop
+ * @param {number=} step
+ */
+d3.range = function(start, stop, step) {
+ if (arguments.length === 1) { stop = start; start = 0; }
+ if (step == null) step = 1;
+ if ((stop - start) / step == Infinity) throw new Error("infinite range");
+ var range = [],
+ i = -1,
+ j;
+ if (step < 0) while ((j = start + step * ++i) > stop) range.push(j);
+ else while ((j = start + step * ++i) < stop) range.push(j);
+ return range;
+};
+d3.requote = function(s) {
+ return s.replace(d3_requote_re, "\\$&");
+};
+
+var d3_requote_re = /[\\\^\$\*\+\?\[\]\(\)\.\{\}]/g;
+d3.round = function(x, n) {
+ return n
+ ? Math.round(x * Math.pow(10, n)) * Math.pow(10, -n)
+ : Math.round(x);
+};
+d3.xhr = function(url, mime, callback) {
+ var req = new XMLHttpRequest;
+ if (arguments.length < 3) callback = mime;
+ else if (mime && req.overrideMimeType) req.overrideMimeType(mime);
+ req.open("GET", url, true);
+ req.onreadystatechange = function() {
+ if (req.readyState === 4) callback(req.status < 300 ? req : null);
+ };
+ req.send(null);
+};
+d3.text = function(url, mime, callback) {
+ function ready(req) {
+ callback(req && req.responseText);
+ }
+ if (arguments.length < 3) {
+ callback = mime;
+ mime = null;
+ }
+ d3.xhr(url, mime, ready);
+};
+d3.json = function(url, callback) {
+ d3.text(url, "application/json", function(text) {
+ callback(text ? JSON.parse(text) : null);
+ });
+};
+d3.html = function(url, callback) {
+ d3.text(url, "text/html", function(text) {
+ if (text != null) { // Treat empty string as valid HTML.
+ var range = document.createRange();
+ range.selectNode(document.body);
+ text = range.createContextualFragment(text);
+ }
+ callback(text);
+ });
+};
+d3.xml = function(url, mime, callback) {
+ function ready(req) {
+ callback(req && req.responseXML);
+ }
+ if (arguments.length < 3) {
+ callback = mime;
+ mime = null;
+ }
+ d3.xhr(url, mime, ready);
+};
+d3.ns = {
+
+ prefix: {
+ svg: "http://www.w3.org/2000/svg",
+ xhtml: "http://www.w3.org/1999/xhtml",
+ xlink: "http://www.w3.org/1999/xlink",
+ xml: "http://www.w3.org/XML/1998/namespace",
+ xmlns: "http://www.w3.org/2000/xmlns/"
+ },
+
+ qualify: function(name) {
+ var i = name.indexOf(":");
+ return i < 0 ? name : {
+ space: d3.ns.prefix[name.substring(0, i)],
+ local: name.substring(i + 1)
+ };
+ }
+
+};
+/** @param {...string} types */
+d3.dispatch = function(types) {
+ var dispatch = {},
+ type;
+ for (var i = 0, n = arguments.length; i < n; i++) {
+ type = arguments[i];
+ dispatch[type] = d3_dispatch(type);
+ }
+ return dispatch;
+};
+
+function d3_dispatch(type) {
+ var dispatch = {},
+ listeners = [];
+
+ dispatch.add = function(listener) {
+ for (var i = 0; i < listeners.length; i++) {
+ if (listeners[i].listener == listener) return dispatch; // already registered
+ }
+ listeners.push({listener: listener, on: true});
+ return dispatch;
+ };
+
+ dispatch.remove = function(listener) {
+ for (var i = 0; i < listeners.length; i++) {
+ var l = listeners[i];
+ if (l.listener == listener) {
+ l.on = false;
+ listeners = listeners.slice(0, i).concat(listeners.slice(i + 1));
+ break;
+ }
+ }
+ return dispatch;
+ };
+
+ dispatch.dispatch = function() {
+ var ls = listeners; // defensive reference
+ for (var i = 0, n = ls.length; i < n; i++) {
+ var l = ls[i];
+ if (l.on) l.listener.apply(this, arguments);
+ }
+ };
+
+ return dispatch;
+};
+// TODO align
+d3.format = function(specifier) {
+ var match = d3_format_re.exec(specifier),
+ fill = match[1] || " ",
+ sign = match[3] || "",
+ zfill = match[5],
+ width = +match[6],
+ comma = match[7],
+ precision = match[8],
+ type = match[9],
+ percentage = false,
+ integer = false;
+
+ if (precision) precision = precision.substring(1);
+
+ if (zfill) {
+ fill = "0"; // TODO align = "=";
+ if (comma) width -= Math.floor((width - 1) / 4);
+ }
+
+ switch (type) {
+ case "n": comma = true; type = "g"; break;
+ case "%": percentage = true; type = "f"; break;
+ case "p": percentage = true; type = "r"; break;
+ case "d": integer = true; precision = "0"; break;
+ }
+
+ type = d3_format_types[type] || d3_format_typeDefault;
+
+ return function(value) {
+ var number = percentage ? value * 100 : +value,
+ negative = (number < 0) && (number = -number) ? "\u2212" : sign;
+
+ // Return the empty string for floats formatted as ints.
+ if (integer && (number % 1)) return "";
+
+ // Convert the input value to the desired precision.
+ value = type(number, precision);
+
+ // If the fill character is 0, the sign and group is applied after the fill.
+ if (zfill) {
+ var length = value.length + negative.length;
+ if (length < width) value = new Array(width - length + 1).join(fill) + value;
+ if (comma) value = d3_format_group(value);
+ value = negative + value;
+ }
+
+ // Otherwise (e.g., space-filling), the sign and group is applied before.
+ else {
+ if (comma) value = d3_format_group(value);
+ value = negative + value;
+ var length = value.length;
+ if (length < width) value = new Array(width - length + 1).join(fill) + value;
+ }
+ if (percentage) value += "%";
+
+ return value;
+ };
+};
+
+// [[fill]align][sign][#][0][width][,][.precision][type]
+var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?(#)?(0)?([0-9]+)?(,)?(\.[0-9]+)?([a-zA-Z%])?/;
+
+var d3_format_types = {
+ g: function(x, p) { return x.toPrecision(p); },
+ e: function(x, p) { return x.toExponential(p); },
+ f: function(x, p) { return x.toFixed(p); },
+ r: function(x, p) {
+ var n = 1 + Math.floor(1e-15 + Math.log(x) / Math.LN10);
+ return d3.round(x, p - n).toFixed(Math.max(0, p - n));
+ }
+};
+
+function d3_format_typeDefault(x) {
+ return x + "";
+}
+
+// Apply comma grouping for thousands.
+function d3_format_group(value) {
+ var i = value.lastIndexOf("."),
+ f = i >= 0 ? value.substring(i) : (i = value.length, ""),
+ t = [];
+ while (i > 0) t.push(value.substring(i -= 3, i + 3));
+ return t.reverse().join(",") + f;
+}
+/*
+ * TERMS OF USE - EASING EQUATIONS
+ *
+ * Open source under the BSD License.
+ *
+ * Copyright 2001 Robert Penner
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the author nor the names of contributors may be used to
+ * endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+var d3_ease_quad = d3_ease_poly(2),
+ d3_ease_cubic = d3_ease_poly(3);
+
+var d3_ease = {
+ linear: function() { return d3_ease_linear; },
+ poly: d3_ease_poly,
+ quad: function() { return d3_ease_quad; },
+ cubic: function() { return d3_ease_cubic; },
+ sin: function() { return d3_ease_sin; },
+ exp: function() { return d3_ease_exp; },
+ circle: function() { return d3_ease_circle; },
+ elastic: d3_ease_elastic,
+ back: d3_ease_back,
+ bounce: function() { return d3_ease_bounce; }
+};
+
+var d3_ease_mode = {
+ "in": function(f) { return f; },
+ "out": d3_ease_reverse,
+ "in-out": d3_ease_reflect,
+ "out-in": function(f) { return d3_ease_reflect(d3_ease_reverse(f)); }
+};
+
+d3.ease = function(name) {
+ var i = name.indexOf("-"),
+ t = i >= 0 ? name.substring(0, i) : name,
+ m = i >= 0 ? name.substring(i + 1) : "in";
+ return d3_ease_mode[m](d3_ease[t].apply(null, Array.prototype.slice.call(arguments, 1)));
+};
+
+function d3_ease_reverse(f) {
+ return function(t) {
+ return 1 - f(1 - t);
+ };
+}
+
+function d3_ease_reflect(f) {
+ return function(t) {
+ return .5 * (t < .5 ? f(2 * t) : (2 - f(2 - 2 * t)));
+ };
+}
+
+function d3_ease_linear(t) {
+ return t;
+}
+
+function d3_ease_poly(e) {
+ return function(t) {
+ return Math.pow(t, e);
+ }
+}
+
+function d3_ease_sin(t) {
+ return 1 - Math.cos(t * Math.PI / 2);
+}
+
+function d3_ease_exp(t) {
+ return t ? Math.pow(2, 10 * (t - 1)) - 1e-3 : 0;
+}
+
+function d3_ease_circle(t) {
+ return 1 - Math.sqrt(1 - t * t);
+}
+
+function d3_ease_elastic(a, p) {
+ var s;
+ if (arguments.length < 2) p = 0.45;
+ if (arguments.length < 1) { a = 1; s = p / 4; }
+ else s = p / (2 * Math.PI) * Math.asin(1 / a);
+ return function(t) {
+ return 1 + a * Math.pow(2, 10 * -t) * Math.sin((t - s) * 2 * Math.PI / p);
+ };
+}
+
+function d3_ease_back(s) {
+ if (!s) s = 1.70158;
+ return function(t) {
+ return t * t * ((s + 1) * t - s);
+ };
+}
+
+function d3_ease_bounce(t) {
+ return t < 1 / 2.75 ? 7.5625 * t * t
+ : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75
+ : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375
+ : 7.5625 * (t -= 2.625 / 2.75) * t + .984375;
+}
+d3.event = null;
+d3.interpolate = function(a, b) {
+ var i = d3.interpolators.length, f;
+ while (--i >= 0 && !(f = d3.interpolators[i](a, b)));
+ return f;
+};
+
+d3.interpolateNumber = function(a, b) {
+ b -= a;
+ return function(t) { return a + b * t; };
+};
+
+d3.interpolateRound = function(a, b) {
+ b -= a;
+ return function(t) { return Math.round(a + b * t); };
+};
+
+d3.interpolateString = function(a, b) {
+ var m, // current match
+ i, // current index
+ j, // current index (for coallescing)
+ s0 = 0, // start index of current string prefix
+ s1 = 0, // end index of current string prefix
+ s = [], // string constants and placeholders
+ q = [], // number interpolators
+ n, // q.length
+ o;
+
+ // Reset our regular expression!
+ d3_interpolate_number.lastIndex = 0;
+
+ // Find all numbers in b.
+ for (i = 0; m = d3_interpolate_number.exec(b); ++i) {
+ if (m.index) s.push(b.substring(s0, s1 = m.index));
+ q.push({i: s.length, x: m[0]});
+ s.push(null);
+ s0 = d3_interpolate_number.lastIndex;
+ }
+ if (s0 < b.length) s.push(b.substring(s0));
+
+ // Find all numbers in a.
+ for (i = 0, n = q.length; (m = d3_interpolate_number.exec(a)) && i < n; ++i) {
+ o = q[i];
+ if (o.x == m[0]) { // The numbers match, so coallesce.
+ if (o.i) {
+ if (s[o.i + 1] == null) { // This match is followed by another number.
+ s[o.i - 1] += o.x;
+ s.splice(o.i, 1);
+ for (j = i + 1; j < n; ++j) q[j].i--;
+ } else { // This match is followed by a string, so coallesce twice.
+ s[o.i - 1] += o.x + s[o.i + 1];
+ s.splice(o.i, 2);
+ for (j = i + 1; j < n; ++j) q[j].i -= 2;
+ }
+ } else {
+ if (s[o.i + 1] == null) { // This match is followed by another number.
+ s[o.i] = o.x;
+ } else { // This match is followed by a string, so coallesce twice.
+ s[o.i] = o.x + s[o.i + 1];
+ s.splice(o.i + 1, 1);
+ for (j = i + 1; j < n; ++j) q[j].i--;
+ }
+ }
+ q.splice(i, 1);
+ n--;
+ i--;
+ } else {
+ o.x = d3.interpolateNumber(parseFloat(m[0]), parseFloat(o.x));
+ }
+ }
+
+ // Remove any numbers in b not found in a.
+ while (i < n) {
+ o = q.pop();
+ if (s[o.i + 1] == null) { // This match is followed by another number.
+ s[o.i] = o.x;
+ } else { // This match is followed by a string, so coallesce twice.
+ s[o.i] = o.x + s[o.i + 1];
+ s.splice(o.i + 1, 1);
+ }
+ n--;
+ }
+
+ // Special optimization for only a single match.
+ if (s.length === 1) {
+ return s[0] == null ? q[0].x : function() { return b; };
+ }
+
+ // Otherwise, interpolate each of the numbers and rejoin the string.
+ return function(t) {
+ for (i = 0; i < n; ++i) s[(o = q[i]).i] = o.x(t);
+ return s.join("");
+ };
+};
+
+d3.interpolateRgb = function(a, b) {
+ a = d3.rgb(a);
+ b = d3.rgb(b);
+ var ar = a.r,
+ ag = a.g,
+ ab = a.b,
+ br = b.r - ar,
+ bg = b.g - ag,
+ bb = b.b - ab;
+ return function(t) {
+ return "rgb(" + Math.round(ar + br * t)
+ + "," + Math.round(ag + bg * t)
+ + "," + Math.round(ab + bb * t)
+ + ")";
+ };
+};
+
+// interpolates HSL space, but outputs RGB string (for compatibility)
+d3.interpolateHsl = function(a, b) {
+ a = d3.hsl(a);
+ b = d3.hsl(b);
+ var h0 = a.h,
+ s0 = a.s,
+ l0 = a.l,
+ h1 = b.h - h0,
+ s1 = b.s - s0,
+ l1 = b.l - l0;
+ return function(t) {
+ return d3_hsl_rgb(h0 + h1 * t, s0 + s1 * t, l0 + l1 * t).toString();
+ };
+};
+
+d3.interpolateArray = function(a, b) {
+ var x = [],
+ c = [],
+ na = a.length,
+ nb = b.length,
+ n0 = Math.min(a.length, b.length),
+ i;
+ for (i = 0; i < n0; ++i) x.push(d3.interpolate(a[i], b[i]));
+ for (; i < na; ++i) c[i] = a[i];
+ for (; i < nb; ++i) c[i] = b[i];
+ return function(t) {
+ for (i = 0; i < n0; ++i) c[i] = x[i](t);
+ return c;
+ };
+};
+
+d3.interpolateObject = function(a, b) {
+ var i = {},
+ c = {},
+ k;
+ for (k in a) {
+ if (k in b) {
+ i[k] = d3_interpolateByName(k)(a[k], b[k]);
+ } else {
+ c[k] = a[k];
+ }
+ }
+ for (k in b) {
+ if (!(k in a)) {
+ c[k] = b[k];
+ }
+ }
+ return function(t) {
+ for (k in i) c[k] = i[k](t);
+ return c;
+ };
+}
+
+var d3_interpolate_number = /[-+]?(?:\d+\.\d+|\d+\.|\.\d+|\d+)(?:[eE][-]?\d+)?/g,
+ d3_interpolate_rgb = {background: 1, fill: 1, stroke: 1};
+
+function d3_interpolateByName(n) {
+ return n in d3_interpolate_rgb || /\bcolor\b/.test(n)
+ ? d3.interpolateRgb
+ : d3.interpolate;
+}
+
+d3.interpolators = [
+ d3.interpolateObject,
+ function(a, b) { return (b instanceof Array) && d3.interpolateArray(a, b); },
+ function(a, b) { return (typeof b === "string") && d3.interpolateString(String(a), b); },
+ function(a, b) { return (b in d3_rgb_names || /^(#|rgb\(|hsl\()/.test(b)) && d3.interpolateRgb(String(a), b); },
+ function(a, b) { return (typeof b === "number") && d3.interpolateNumber(+a, b); }
+];
+function d3_uninterpolateNumber(a, b) {
+ b = 1 / (b - (a = +a));
+ return function(x) { return (x - a) * b; };
+}
+
+function d3_uninterpolateClamp(a, b) {
+ b = 1 / (b - (a = +a));
+ return function(x) { return Math.max(0, Math.min(1, (x - a) * b)); };
+}
+d3.rgb = function(r, g, b) {
+ return arguments.length === 1
+ ? d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb)
+ : d3_rgb(~~r, ~~g, ~~b);
+};
+
+function d3_rgb(r, g, b) {
+ return new d3_Rgb(r, g, b);
+}
+
+function d3_Rgb(r, g, b) {
+ this.r = r;
+ this.g = g;
+ this.b = b;
+}
+
+d3_Rgb.prototype.brighter = function(k) {
+ k = Math.pow(0.7, arguments.length ? k : 1);
+ var r = this.r,
+ g = this.g,
+ b = this.b,
+ i = 30;
+ if (!r && !g && !b) return d3_rgb(i, i, i);
+ if (r && r < i) r = i;
+ if (g && g < i) g = i;
+ if (b && b < i) b = i;
+ return d3_rgb(
+ Math.min(255, Math.floor(r / k)),
+ Math.min(255, Math.floor(g / k)),
+ Math.min(255, Math.floor(b / k)));
+};
+
+d3_Rgb.prototype.darker = function(k) {
+ k = Math.pow(0.7, arguments.length ? k : 1);
+ return d3_rgb(
+ Math.max(0, Math.floor(k * this.r)),
+ Math.max(0, Math.floor(k * this.g)),
+ Math.max(0, Math.floor(k * this.b)));
+};
+
+d3_Rgb.prototype.hsl = function() {
+ return d3_rgb_hsl(this.r, this.g, this.b);
+};
+
+d3_Rgb.prototype.toString = function() {
+ return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);
+};
+
+function d3_rgb_hex(v) {
+ return v < 0x10 ? "0" + v.toString(16) : v.toString(16);
+}
+
+function d3_rgb_parse(format, rgb, hsl) {
+ var r = 0, // red channel; int in [0, 255]
+ g = 0, // green channel; int in [0, 255]
+ b = 0, // blue channel; int in [0, 255]
+ m1, // CSS color specification match
+ m2, // CSS color specification type (e.g., rgb)
+ name;
+
+ /* Handle hsl, rgb. */
+ m1 = /([a-z]+)\((.*)\)/i.exec(format);
+ if (m1) {
+ m2 = m1[2].split(",");
+ switch (m1[1]) {
+ case "hsl": {
+ return hsl(
+ parseFloat(m2[0]), // degrees
+ parseFloat(m2[1]) / 100, // percentage
+ parseFloat(m2[2]) / 100 // percentage
+ );
+ }
+ case "rgb": {
+ return rgb(
+ d3_rgb_parseNumber(m2[0]),
+ d3_rgb_parseNumber(m2[1]),
+ d3_rgb_parseNumber(m2[2])
+ );
+ }
+ }
+ }
+
+ /* Named colors. */
+ if (name = d3_rgb_names[format]) return rgb(name.r, name.g, name.b);
+
+ /* Hexadecimal colors: #rgb and #rrggbb. */
+ if (format != null && format.charAt(0) === "#") {
+ if (format.length === 4) {
+ r = format.charAt(1); r += r;
+ g = format.charAt(2); g += g;
+ b = format.charAt(3); b += b;
+ } else if (format.length === 7) {
+ r = format.substring(1, 3);
+ g = format.substring(3, 5);
+ b = format.substring(5, 7);
+ }
+ r = parseInt(r, 16);
+ g = parseInt(g, 16);
+ b = parseInt(b, 16);
+ }
+
+ return rgb(r, g, b);
+}
+
+function d3_rgb_hsl(r, g, b) {
+ var min = Math.min(r /= 255, g /= 255, b /= 255),
+ max = Math.max(r, g, b),
+ d = max - min,
+ h,
+ s,
+ l = (max + min) / 2;
+ if (d) {
+ s = l < .5 ? d / (max + min) : d / (2 - max - min);
+ if (r == max) h = (g - b) / d + (g < b ? 6 : 0);
+ else if (g == max) h = (b - r) / d + 2;
+ else h = (r - g) / d + 4;
+ h *= 60;
+ } else {
+ s = h = 0;
+ }
+ return d3_hsl(h, s, l);
+}
+
+function d3_rgb_parseNumber(c) { // either integer or percentage
+ var f = parseFloat(c);
+ return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f;
+}
+
+var d3_rgb_names = {
+ aliceblue: "#f0f8ff",
+ antiquewhite: "#faebd7",
+ aqua: "#00ffff",
+ aquamarine: "#7fffd4",
+ azure: "#f0ffff",
+ beige: "#f5f5dc",
+ bisque: "#ffe4c4",
+ black: "#000000",
+ blanchedalmond: "#ffebcd",
+ blue: "#0000ff",
+ blueviolet: "#8a2be2",
+ brown: "#a52a2a",
+ burlywood: "#deb887",
+ cadetblue: "#5f9ea0",
+ chartreuse: "#7fff00",
+ chocolate: "#d2691e",
+ coral: "#ff7f50",
+ cornflowerblue: "#6495ed",
+ cornsilk: "#fff8dc",
+ crimson: "#dc143c",
+ cyan: "#00ffff",
+ darkblue: "#00008b",
+ darkcyan: "#008b8b",
+ darkgoldenrod: "#b8860b",
+ darkgray: "#a9a9a9",
+ darkgreen: "#006400",
+ darkgrey: "#a9a9a9",
+ darkkhaki: "#bdb76b",
+ darkmagenta: "#8b008b",
+ darkolivegreen: "#556b2f",
+ darkorange: "#ff8c00",
+ darkorchid: "#9932cc",
+ darkred: "#8b0000",
+ darksalmon: "#e9967a",
+ darkseagreen: "#8fbc8f",
+ darkslateblue: "#483d8b",
+ darkslategray: "#2f4f4f",
+ darkslategrey: "#2f4f4f",
+ darkturquoise: "#00ced1",
+ darkviolet: "#9400d3",
+ deeppink: "#ff1493",
+ deepskyblue: "#00bfff",
+ dimgray: "#696969",
+ dimgrey: "#696969",
+ dodgerblue: "#1e90ff",
+ firebrick: "#b22222",
+ floralwhite: "#fffaf0",
+ forestgreen: "#228b22",
+ fuchsia: "#ff00ff",
+ gainsboro: "#dcdcdc",
+ ghostwhite: "#f8f8ff",
+ gold: "#ffd700",
+ goldenrod: "#daa520",
+ gray: "#808080",
+ green: "#008000",
+ greenyellow: "#adff2f",
+ grey: "#808080",
+ honeydew: "#f0fff0",
+ hotpink: "#ff69b4",
+ indianred: "#cd5c5c",
+ indigo: "#4b0082",
+ ivory: "#fffff0",
+ khaki: "#f0e68c",
+ lavender: "#e6e6fa",
+ lavenderblush: "#fff0f5",
+ lawngreen: "#7cfc00",
+ lemonchiffon: "#fffacd",
+ lightblue: "#add8e6",
+ lightcoral: "#f08080",
+ lightcyan: "#e0ffff",
+ lightgoldenrodyellow: "#fafad2",
+ lightgray: "#d3d3d3",
+ lightgreen: "#90ee90",
+ lightgrey: "#d3d3d3",
+ lightpink: "#ffb6c1",
+ lightsalmon: "#ffa07a",
+ lightseagreen: "#20b2aa",
+ lightskyblue: "#87cefa",
+ lightslategray: "#778899",
+ lightslategrey: "#778899",
+ lightsteelblue: "#b0c4de",
+ lightyellow: "#ffffe0",
+ lime: "#00ff00",
+ limegreen: "#32cd32",
+ linen: "#faf0e6",
+ magenta: "#ff00ff",
+ maroon: "#800000",
+ mediumaquamarine: "#66cdaa",
+ mediumblue: "#0000cd",
+ mediumorchid: "#ba55d3",
+ mediumpurple: "#9370db",
+ mediumseagreen: "#3cb371",
+ mediumslateblue: "#7b68ee",
+ mediumspringgreen: "#00fa9a",
+ mediumturquoise: "#48d1cc",
+ mediumvioletred: "#c71585",
+ midnightblue: "#191970",
+ mintcream: "#f5fffa",
+ mistyrose: "#ffe4e1",
+ moccasin: "#ffe4b5",
+ navajowhite: "#ffdead",
+ navy: "#000080",
+ oldlace: "#fdf5e6",
+ olive: "#808000",
+ olivedrab: "#6b8e23",
+ orange: "#ffa500",
+ orangered: "#ff4500",
+ orchid: "#da70d6",
+ palegoldenrod: "#eee8aa",
+ palegreen: "#98fb98",
+ paleturquoise: "#afeeee",
+ palevioletred: "#db7093",
+ papayawhip: "#ffefd5",
+ peachpuff: "#ffdab9",
+ peru: "#cd853f",
+ pink: "#ffc0cb",
+ plum: "#dda0dd",
+ powderblue: "#b0e0e6",
+ purple: "#800080",
+ red: "#ff0000",
+ rosybrown: "#bc8f8f",
+ royalblue: "#4169e1",
+ saddlebrown: "#8b4513",
+ salmon: "#fa8072",
+ sandybrown: "#f4a460",
+ seagreen: "#2e8b57",
+ seashell: "#fff5ee",
+ sienna: "#a0522d",
+ silver: "#c0c0c0",
+ skyblue: "#87ceeb",
+ slateblue: "#6a5acd",
+ slategray: "#708090",
+ slategrey: "#708090",
+ snow: "#fffafa",
+ springgreen: "#00ff7f",
+ steelblue: "#4682b4",
+ tan: "#d2b48c",
+ teal: "#008080",
+ thistle: "#d8bfd8",
+ tomato: "#ff6347",
+ turquoise: "#40e0d0",
+ violet: "#ee82ee",
+ wheat: "#f5deb3",
+ white: "#ffffff",
+ whitesmoke: "#f5f5f5",
+ yellow: "#ffff00",
+ yellowgreen: "#9acd32"
+};
+
+for (var d3_rgb_name in d3_rgb_names) {
+ d3_rgb_names[d3_rgb_name] = d3_rgb_parse(
+ d3_rgb_names[d3_rgb_name],
+ d3_rgb,
+ d3_hsl_rgb);
+}
+d3.hsl = function(h, s, l) {
+ return arguments.length === 1
+ ? d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl)
+ : d3_hsl(+h, +s, +l);
+};
+
+function d3_hsl(h, s, l) {
+ return new d3_Hsl(h, s, l);
+}
+
+function d3_Hsl(h, s, l) {
+ this.h = h;
+ this.s = s;
+ this.l = l;
+}
+
+d3_Hsl.prototype.brighter = function(k) {
+ k = Math.pow(0.7, arguments.length ? k : 1);
+ return d3_hsl(this.h, this.s, this.l / k);
+};
+
+d3_Hsl.prototype.darker = function(k) {
+ k = Math.pow(0.7, arguments.length ? k : 1);
+ return d3_hsl(this.h, this.s, k * this.l);
+};
+
+d3_Hsl.prototype.rgb = function() {
+ return d3_hsl_rgb(this.h, this.s, this.l);
+};
+
+d3_Hsl.prototype.toString = function() {
+ return "hsl(" + this.h + "," + this.s * 100 + "%," + this.l * 100 + "%)";
+};
+
+function d3_hsl_rgb(h, s, l) {
+ var m1,
+ m2;
+
+ /* Some simple corrections for h, s and l. */
+ h = h % 360; if (h < 0) h += 360;
+ s = s < 0 ? 0 : s > 1 ? 1 : s;
+ l = l < 0 ? 0 : l > 1 ? 1 : l;
+
+ /* From FvD 13.37, CSS Color Module Level 3 */
+ m2 = l <= .5 ? l * (1 + s) : l + s - l * s;
+ m1 = 2 * l - m2;
+
+ function v(h) {
+ if (h > 360) h -= 360;
+ else if (h < 0) h += 360;
+ if (h < 60) return m1 + (m2 - m1) * h / 60;
+ if (h < 180) return m2;
+ if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;
+ return m1;
+ }
+
+ function vv(h) {
+ return Math.round(v(h) * 255);
+ }
+
+ return d3_rgb(vv(h + 120), vv(h), vv(h - 120));
+}
+var d3_select = function(s, n) { return n.querySelector(s); },
+ d3_selectAll = function(s, n) { return d3_array(n.querySelectorAll(s)); };
+
+// Use Sizzle, if available.
+if (typeof Sizzle === "function") {
+ d3_select = function(s, n) { return Sizzle(s, n)[0]; };
+ d3_selectAll = function(s, n) { return Sizzle.uniqueSort(Sizzle(s, n)); };
+}
+
+var d3_root = d3_selection([[document]]);
+d3_root[0].parentNode = document.documentElement;
+
+// TODO fast singleton implementation!
+d3.select = function(selector) {
+ return typeof selector === "string"
+ ? d3_root.select(selector)
+ : d3_selection([[selector]]); // assume node
+};
+
+d3.selectAll = function(selector) {
+ return typeof selector === "string"
+ ? d3_root.selectAll(selector)
+ : d3_selection([d3_array(selector)]); // assume node[]
+};
+
+function d3_selection(groups) {
+
+ function select(select) {
+ var subgroups = [],
+ subgroup,
+ subnode,
+ group,
+ node;
+ for (var j = 0, m = groups.length; j < m; j++) {
+ group = groups[j];
+ subgroups.push(subgroup = []);
+ subgroup.parentNode = group.parentNode;
+ for (var i = 0, n = group.length; i < n; i++) {
+ if (node = group[i]) {
+ subgroup.push(subnode = select(node));
+ if (subnode && "__data__" in node) subnode.__data__ = node.__data__;
+ } else {
+ subgroup.push(null);
+ }
+ }
+ }
+ return d3_selection(subgroups);
+ }
+
+ function selectAll(selectAll) {
+ var subgroups = [],
+ subgroup,
+ group,
+ node;
+ for (var j = 0, m = groups.length; j < m; j++) {
+ group = groups[j];
+ for (var i = 0, n = group.length; i < n; i++) {
+ if (node = group[i]) {
+ subgroups.push(subgroup = selectAll(node));
+ subgroup.parentNode = node;
+ }
+ }
+ }
+ return d3_selection(subgroups);
+ }
+
+ // TODO select(function)?
+ groups.select = function(selector) {
+ return select(function(node) {
+ return d3_select(selector, node);
+ });
+ };
+
+ // TODO selectAll(function)?
+ groups.selectAll = function(selector) {
+ return selectAll(function(node) {
+ return d3_selectAll(selector, node);
+ });
+ };
+
+ // TODO preserve null elements to maintain index?
+ groups.filter = function(filter) {
+ var subgroups = [],
+ subgroup,
+ group,
+ node;
+ for (var j = 0, m = groups.length; j < m; j++) {
+ group = groups[j];
+ subgroups.push(subgroup = []);
+ subgroup.parentNode = group.parentNode;
+ for (var i = 0, n = group.length; i < n; i++) {
+ if ((node = group[i]) && filter.call(node, node.__data__, i)) {
+ subgroup.push(node);
+ }
+ }
+ }
+ return d3_selection(subgroups);
+ };
+
+ groups.map = function(map) {
+ var group,
+ node;
+ for (var j = 0, m = groups.length; j < m; j++) {
+ group = groups[j];
+ for (var i = 0, n = group.length; i < n; i++) {
+ if (node = group[i]) node.__data__ = map.call(node, node.__data__, i);
+ }
+ }
+ return groups;
+ };
+
+ // TODO data(null) for clearing data?
+ groups.data = function(data, join) {
+ var enter = [],
+ update = [],
+ exit = [];
+
+ function bind(group, groupData) {
+ var i = 0,
+ n = group.length,
+ m = groupData.length,
+ n0 = Math.min(n, m),
+ n1 = Math.max(n, m),
+ updateNodes = [],
+ enterNodes = [],
+ exitNodes = [],
+ node,
+ nodeData;
+
+ if (join) {
+ var nodeByKey = {},
+ keys = [],
+ key,
+ j = groupData.length;
+
+ for (i = 0; i < n; i++) {
+ key = join.call(node = group[i], node.__data__, i);
+ if (key in nodeByKey) {
+ exitNodes[j++] = node; // duplicate key
+ } else {
+ nodeByKey[key] = node;
+ }
+ keys.push(key);
+ }
+
+ for (i = 0; i < m; i++) {
+ node = nodeByKey[key = join.call(groupData, nodeData = groupData[i], i)];
+ if (node) {
+ node.__data__ = nodeData;
+ updateNodes[i] = node;
+ enterNodes[i] = exitNodes[i] = null;
+ } else {
+ enterNodes[i] = d3_selection_enterNode(nodeData);
+ updateNodes[i] = exitNodes[i] = null;
+ }
+ delete nodeByKey[key];
+ }
+
+ for (i = 0; i < n; i++) {
+ if (keys[i] in nodeByKey) {
+ exitNodes[i] = group[i];
+ }
+ }
+ } else {
+ for (; i < n0; i++) {
+ node = group[i];
+ nodeData = groupData[i];
+ if (node) {
+ node.__data__ = nodeData;
+ updateNodes[i] = node;
+ enterNodes[i] = exitNodes[i] = null;
+ } else {
+ enterNodes[i] = d3_selection_enterNode(nodeData);
+ updateNodes[i] = exitNodes[i] = null;
+ }
+ }
+ for (; i < m; i++) {
+ enterNodes[i] = d3_selection_enterNode(groupData[i]);
+ updateNodes[i] = exitNodes[i] = null;
+ }
+ for (; i < n1; i++) {
+ exitNodes[i] = group[i];
+ enterNodes[i] = updateNodes[i] = null;
+ }
+ }
+
+ enterNodes.parentNode
+ = updateNodes.parentNode
+ = exitNodes.parentNode
+ = group.parentNode;
+
+ enter.push(enterNodes);
+ update.push(updateNodes);
+ exit.push(exitNodes);
+ }
+
+ var i = -1,
+ n = groups.length,
+ group;
+ if (typeof data === "function") {
+ while (++i < n) {
+ bind(group = groups[i], data.call(group, group.parentNode.__data__, i));
+ }
+ } else {
+ while (++i < n) {
+ bind(group = groups[i], data);
+ }
+ }
+
+ var selection = d3_selection(update);
+ selection.enter = function() {
+ return d3_selectionEnter(enter);
+ };
+ selection.exit = function() {
+ return d3_selection(exit);
+ };
+ return selection;
+ };
+
+ // TODO mask forEach? or rename for eachData?
+ // TODO offer the same semantics for map, reduce, etc.?
+ groups.each = function(callback) {
+ for (var j = 0, m = groups.length; j < m; j++) {
+ var group = groups[j];
+ for (var i = 0, n = group.length; i < n; i++) {
+ var node = group[i];
+ if (node) callback.call(node, node.__data__, i);
+ }
+ }
+ return groups;
+ };
+
+ function first(callback) {
+ for (var j = 0, m = groups.length; j < m; j++) {
+ var group = groups[j];
+ for (var i = 0, n = group.length; i < n; i++) {
+ var node = group[i];
+ if (node) return callback.call(node, node.__data__, i);
+ }
+ }
+ return null;
+ }
+
+ groups.empty = function() {
+ return !first(function() { return true; });
+ };
+
+ groups.node = function() {
+ return first(function() { return this; });
+ };
+
+ groups.attr = function(name, value) {
+ name = d3.ns.qualify(name);
+
+ // If no value is specified, return the first value.
+ if (arguments.length < 2) {
+ return first(name.local
+ ? function() { return this.getAttributeNS(name.space, name.local); }
+ : function() { return this.getAttribute(name); });
+ }
+
+ /** @this {Element} */
+ function attrNull() {
+ this.removeAttribute(name);
+ }
+
+ /** @this {Element} */
+ function attrNullNS() {
+ this.removeAttributeNS(name.space, name.local);
+ }
+
+ /** @this {Element} */
+ function attrConstant() {
+ this.setAttribute(name, value);
+ }
+
+ /** @this {Element} */
+ function attrConstantNS() {
+ this.setAttributeNS(name.space, name.local, value);
+ }
+
+ /** @this {Element} */
+ function attrFunction() {
+ var x = value.apply(this, arguments);
+ if (x == null) this.removeAttribute(name);
+ else this.setAttribute(name, x);
+ }
+
+ /** @this {Element} */
+ function attrFunctionNS() {
+ var x = value.apply(this, arguments);
+ if (x == null) this.removeAttributeNS(name.space, name.local);
+ else this.setAttributeNS(name.space, name.local, x);
+ }
+
+ return groups.each(value == null
+ ? (name.local ? attrNullNS : attrNull) : (typeof value === "function"
+ ? (name.local ? attrFunctionNS : attrFunction)
+ : (name.local ? attrConstantNS : attrConstant)));
+ };
+
+ groups.classed = function(name, value) {
+ var re = new RegExp("(^|\\s+)" + d3.requote(name) + "(\\s+|$)", "g");
+
+ // If no value is specified, return the first value.
+ if (arguments.length < 2) {
+ return first(function() {
+ if (c = this.classList) return c.contains(name);
+ var c = this.className;
+ re.lastIndex = 0;
+ return re.test(c.baseVal != null ? c.baseVal : c);
+ });
+ }
+
+ /** @this {Element} */
+ function classedAdd() {
+ if (c = this.classList) return c.add(name);
+ var c = this.className,
+ cb = c.baseVal != null,
+ cv = cb ? c.baseVal : c;
+ re.lastIndex = 0;
+ if (!re.test(cv)) {
+ cv = d3_collapse(cv + " " + name);
+ if (cb) c.baseVal = cv;
+ else this.className = cv;
+ }
+ }
+
+ /** @this {Element} */
+ function classedRemove() {
+ if (c = this.classList) return c.remove(name);
+ var c = this.className,
+ cb = c.baseVal != null,
+ cv = cb ? c.baseVal : c;
+ cv = d3_collapse(cv.replace(re, " "));
+ if (cb) c.baseVal = cv;
+ else this.className = cv;
+ }
+
+ /** @this {Element} */
+ function classedFunction() {
+ (value.apply(this, arguments)
+ ? classedAdd
+ : classedRemove).call(this);
+ }
+
+ return groups.each(typeof value === "function"
+ ? classedFunction : value
+ ? classedAdd
+ : classedRemove);
+ };
+
+ groups.style = function(name, value, priority) {
+ if (arguments.length < 3) priority = "";
+
+ // If no value is specified, return the first value.
+ if (arguments.length < 2) {
+ return first(function() {
+ return window.getComputedStyle(this, null).getPropertyValue(name);
+ });
+ }
+
+ /** @this {Element} */
+ function styleNull() {
+ this.style.removeProperty(name);
+ }
+
+ /** @this {Element} */
+ function styleConstant() {
+ this.style.setProperty(name, value, priority);
+ }
+
+ /** @this {Element} */
+ function styleFunction() {
+ var x = value.apply(this, arguments);
+ if (x == null) this.style.removeProperty(name);
+ else this.style.setProperty(name, x, priority);
+ }
+
+ return groups.each(value == null
+ ? styleNull : (typeof value === "function"
+ ? styleFunction : styleConstant));
+ };
+
+ groups.property = function(name, value) {
+ name = d3.ns.qualify(name);
+
+ // If no value is specified, return the first value.
+ if (arguments.length < 2) {
+ return first(function() {
+ return this[name];
+ });
+ }
+
+ /** @this {Element} */
+ function propertyNull() {
+ delete this[name];
+ }
+
+ /** @this {Element} */
+ function propertyConstant() {
+ this[name] = value;
+ }
+
+ /** @this {Element} */
+ function propertyFunction() {
+ var x = value.apply(this, arguments);
+ if (x == null) delete this[name];
+ else this[name] = x;
+ }
+
+ return groups.each(value == null
+ ? propertyNull : (typeof value === "function"
+ ? propertyFunction : propertyConstant));
+ };
+
+ groups.text = function(value) {
+
+ // If no value is specified, return the first value.
+ if (arguments.length < 1) {
+ return first(function() {
+ return this.textContent;
+ });
+ }
+
+ /** @this {Element} */
+ function textConstant() {
+ this.textContent = value;
+ }
+
+ /** @this {Element} */
+ function textFunction() {
+ this.textContent = value.apply(this, arguments);
+ }
+
+ return groups.each(typeof value === "function"
+ ? textFunction : textConstant);
+ };
+
+ groups.html = function(value) {
+
+ // If no value is specified, return the first value.
+ if (arguments.length < 1) {
+ return first(function() {
+ return this.innerHTML;
+ });
+ }
+
+ /** @this {Element} */
+ function htmlConstant() {
+ this.innerHTML = value;
+ }
+
+ /** @this {Element} */
+ function htmlFunction() {
+ this.innerHTML = value.apply(this, arguments);
+ }
+
+ return groups.each(typeof value === "function"
+ ? htmlFunction : htmlConstant);
+ };
+
+ // TODO append(node)?
+ // TODO append(function)?
+ groups.append = function(name) {
+ name = d3.ns.qualify(name);
+
+ function append(node) {
+ return node.appendChild(document.createElement(name));
+ }
+
+ function appendNS(node) {
+ return node.appendChild(document.createElementNS(name.space, name.local));
+ }
+
+ return select(name.local ? appendNS : append);
+ };
+
+ // TODO insert(node, function)?
+ // TODO insert(function, string)?
+ // TODO insert(function, function)?
+ groups.insert = function(name, before) {
+ name = d3.ns.qualify(name);
+
+ function insert(node) {
+ return node.insertBefore(
+ document.createElement(name),
+ d3_select(before, node));
+ }
+
+ function insertNS(node) {
+ return node.insertBefore(
+ document.createElementNS(name.space, name.local),
+ d3_select(before, node));
+ }
+
+ return select(name.local ? insertNS : insert);
+ };
+
+ // TODO remove(selector)?
+ // TODO remove(node)?
+ // TODO remove(function)?
+ groups.remove = function() {
+ return groups.each(function() {
+ var parent = this.parentNode;
+ if (parent) parent.removeChild(this);
+ });
+ };
+
+ groups.sort = function(comparator) {
+ comparator = d3_selection_comparator.apply(this, arguments);
+ for (var j = 0, m = groups.length; j < m; j++) {
+ var group = groups[j];
+ group.sort(comparator);
+ for (var i = 1, n = group.length, prev = group[0]; i < n; i++) {
+ var node = group[i];
+ if (node) {
+ if (prev) prev.parentNode.insertBefore(node, prev.nextSibling);
+ prev = node;
+ }
+ }
+ }
+ return groups;
+ };
+
+ // type can be namespaced, e.g., "click.foo"
+ // listener can be null for removal
+ groups.on = function(type, listener, capture) {
+ if (arguments.length < 3) capture = false;
+
+ // parse the type specifier
+ var i = type.indexOf("."),
+ typo = i === -1 ? type : type.substring(0, i),
+ name = "__on" + type;
+
+ // remove the old event listener, and add the new event listener
+ return groups.each(function(d, i) {
+ if (this[name]) this.removeEventListener(typo, this[name], capture);
+ if (listener) this.addEventListener(typo, this[name] = l, capture);
+
+ // wrapped event listener that preserves i
+ var node = this;
+ function l(e) {
+ var o = d3.event; // Events can be reentrant (e.g., focus).
+ d3.event = e;
+ try {
+ listener.call(this, node.__data__, i);
+ } finally {
+ d3.event = o;
+ }
+ }
+ });
+ };
+
+ // TODO slice?
+
+ groups.transition = function() {
+ return d3_transition(groups);
+ };
+
+ groups.call = d3_call;
+
+ return groups;
+}
+
+function d3_selectionEnter(groups) {
+
+ function select(select) {
+ var subgroups = [],
+ subgroup,
+ subnode,
+ group,
+ node;
+ for (var j = 0, m = groups.length; j < m; j++) {
+ group = groups[j];
+ subgroups.push(subgroup = []);
+ subgroup.parentNode = group.parentNode;
+ for (var i = 0, n = group.length; i < n; i++) {
+ if (node = group[i]) {
+ subgroup.push(subnode = select(group.parentNode));
+ subnode.__data__ = node.__data__;
+ } else {
+ subgroup.push(null);
+ }
+ }
+ }
+ return d3_selection(subgroups);
+ }
+
+ // TODO append(node)?
+ // TODO append(function)?
+ groups.append = function(name) {
+ name = d3.ns.qualify(name);
+
+ function append(node) {
+ return node.appendChild(document.createElement(name));
+ }
+
+ function appendNS(node) {
+ return node.appendChild(document.createElementNS(name.space, name.local));
+ }
+
+ return select(name.local ? appendNS : append);
+ };
+
+ // TODO insert(node, function)?
+ // TODO insert(function, string)?
+ // TODO insert(function, function)?
+ groups.insert = function(name, before) {
+ name = d3.ns.qualify(name);
+
+ function insert(node) {
+ return node.insertBefore(
+ document.createElement(name),
+ d3_select(before, node));
+ }
+