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Merge branch 'release'

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commit fb38f19b2e0811c0fd0bc67bf06c8b94d1248038 2 parents 02da702 + 0a7af55
@mbostock mbostock authored
View
7 Makefile
@@ -17,7 +17,8 @@ all: \
d3.geom.js \
d3.geom.min.js \
d3.time.js \
- d3.time.min.js
+ d3.time.min.js \
+ package.json
# Modify this rule to build your own custom release.
# Run `make d3.custom.min.js` to produce the minified version.
@@ -182,6 +183,7 @@ d3.geo.js: \
src/geo/geo.js \
src/geo/azimuthal.js \
src/geo/albers.js \
+ src/geo/equirectangular.js \
src/geo/mercator.js \
src/geo/path.js \
src/geo/bounds.js \
@@ -243,5 +245,8 @@ d3.js d3%.js: Makefile
cat $(filter %.js,$^) > $@
@chmod a-w $@
+package.json: d3.js
+ node src/package.js > $@
+
clean:
rm -f d3*.js
View
36 d3.geo.js
@@ -197,6 +197,42 @@ d3.geo.albersUsa = function() {
};
var d3_radians = Math.PI / 180;
+d3.geo.equirectangular = function() {
+ var scale = 500,
+ translate = [480, 250];
+
+ function equirectangular(coordinates) {
+ var x = coordinates[0] / 360,
+ y = -coordinates[1] / 360;
+ return [
+ scale * x + translate[0],
+ scale * y + translate[1]
+ ];
+ }
+
+ equirectangular.invert = function(coordinates) {
+ var x = (coordinates[0] - translate[0]) / scale,
+ y = (coordinates[1] - translate[1]) / scale;
+ return [
+ 360 * x,
+ -360 * y
+ ];
+ };
+
+ equirectangular.scale = function(x) {
+ if (!arguments.length) return scale;
+ scale = +x;
+ return equirectangular;
+ };
+
+ equirectangular.translate = function(x) {
+ if (!arguments.length) return translate;
+ translate = [+x[0], +x[1]];
+ return equirectangular;
+ };
+
+ return equirectangular;
+};
d3.geo.mercator = function() {
var scale = 500,
translate = [480, 250];
View
2  d3.geo.min.js
@@ -1 +1 @@
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g=c[0]*a-f,j=c[1]*a,k=Math.cos(g),l=Math.sin(g),m=Math.cos(j),n=Math.sin(j),o=b==="stereographic"?1/(1+i*n+h*m*k):1,p=o*m*l,q=o*(i*m*k-h*n);return[d*p+e[0],d*q+e[1]]}var b="orthographic",c,d=200,e=[480,250],f,g,h,i;j.invert=function(c){var g=(c[0]-e[0])/d,j=(c[1]-e[1])/d,k=Math.sqrt(g*g+j*j),l=b==="stereographic"?2*Math.atan(k):Math.asin(k),m=Math.sin(l),n=Math.cos(l);return[(f+Math.atan2(g*m,k*h*n+j*i*m))/a,Math.asin(n*i-j*m*h/k)/a]},j.mode=function(a){if(!arguments.length)return b;b=a+"";return j},j.origin=function(b){if(!arguments.length)return c;c=b,f=c[0]*a,g=c[1]*a,h=Math.cos(g),i=Math.sin(g);return j},j.scale=function(a){if(!arguments.length)return d;d=+a;return j},j.translate=function(a){if(!arguments.length)return e;e=[+a[0],+a[1]];return j};return j.origin([0,0])},d3.geo.albers=function(){function k(){var d=a*c[0],e=a*c[1],k=a*b[1],l=Math.sin(d),m=Math.cos(d);f=a*b[0],g=.5*(l+Math.sin(e)),h=m*m+2*g*l,i=Math.sqrt(h-2*g*Math.sin(k))/g;return j}function j(b){var c=g*(a*b[0]-f),j=Math.sqrt(h-2*g*Math.sin(a*b[1]))/g;return[d*j*Math.sin(c)+e[0],d*(j*Math.cos(c)-i)+e[1]]}var b=[-98,38],c=[29.5,45.5],d=1e3,e=[480,250],f,g,h,i;j.invert=function(b){var c=(b[0]-e[0])/d,j=(b[1]-e[1])/d,k=i+j,l=Math.atan2(c,k),m=Math.sqrt(c*c+k*k);return[(f+l/g)/a,Math.asin((h-m*m*g*g)/(2*g))/a]},j.origin=function(a){if(!arguments.length)return b;b=[+a[0],+a[1]];return k()},j.parallels=function(a){if(!arguments.length)return c;c=[+a[0],+a[1]];return k()},j.scale=function(a){if(!arguments.length)return d;d=+a;return j},j.translate=function(a){if(!arguments.length)return e;e=[+a[0],+a[1]];return j};return k()},d3.geo.albersUsa=function(){function e(e){var f=e[0],g=e[1];return(g>50?b:f<-140?c:g<21?d:a)(e)}var a=d3.geo.albers(),b=d3.geo.albers().origin([-160,60]).parallels([55,65]),c=d3.geo.albers().origin([-160,20]).parallels([8,18]),d=d3.geo.albers().origin([-60,10]).parallels([8,18]);e.scale=function(f){if(!arguments.length)return 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+(function(){function o(a){return a.target}function n(a){return a.source}function m(a,b){for(var c=a.coordinates[0],d=0,e=c.length;d<e;d++)b.apply(null,c[d])}function l(a,b){b.apply(null,a.coordinates)}function k(a,b){for(var c=a.coordinates,d=0,e=c.length;d<e;d++)for(var f=c[d][0],g=0,h=f.length;g<h;g++)b.apply(null,f[g])}function j(a,b){for(var c=a.coordinates,d=0,e=c.length;d<e;d++)for(var f=c[d],g=0,h=f.length;g<h;g++)b.apply(null,f[g])}function i(a,b){for(var c=a.coordinates,d=0,e=c.length;d<e;d++)b.apply(null,c[d])}function h(a,b){for(var c=a.features,d=0,f=c.length;d<f;d++)e(c[d].geometry,b)}function g(a,b){e(a.geometry,b)}function e(a,b){a.type in f&&f[a.type](a,b)}function d(a,b){return b&&b.type in a?a[b.type](b):""}function c(){return 0}function b(a){return"m0,"+a+"a"+a+","+a+" 0 1,1 0,"+ -2*a+"a"+a+","+a+" 0 1,1 0,"+2*a+"z"}d3.geo={},d3.geo.azimuthal=function(){function j(c){var 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b=[],c=a.geometries,e=-1,f=c.length;while(++e<f)b.push(d(i,c[e]));return b.join("")}},j={FeatureCollection:function(a){var b=0,c=a.features,e=-1,f=c.length;while(++e<f)b+=d(j,c[e]);return b},Feature:function(a){return d(j,a.geometry)},Point:c,MultiPoint:c,LineString:c,MultiLineString:c,Polygon:function(a){return k(a.coordinates)},MultiPolygon:function(a){var b=0,c=a.coordinates,d=-1,e=c.length;while(++d<e)b+=k(c[d]);return b},GeometryCollection:function(a){var b=0,c=a.geometries,e=-1,f=c.length;while(++e<f)b+=d(j,c[e]);return b}},m={Feature:function(a){return d(m,a.geometry)},Polygon:function(a){var b=l(a.coordinates);return[b[0]/b[2],b[1]/b[2]]},MultiPolygon:function(a){var b=0,c=a.coordinates,d,e=0,f=0,g=0,h=-1,i=c.length;while(++h<i)d=l(c[h]),e+=d[0],f+=d[1],g+=d[2];return[e/g,f/g]}};g.projection=function(a){f=a;return g},g.area=function(a){return d(j,a)},g.centroid=function(a){return d(m,a)},g.pointRadius=function(c){typeof c=="function"?a=c:(a=+c,e=b(a));return g};return g},d3.geo.bounds=function(a){var b=Infinity,c=Infinity,d=-Infinity,f=-Infinity;e(a,function(a,e){a<b&&(b=a),a>d&&(d=a),e<c&&(c=e),e>f&&(f=e)});return[[b,c],[d,f]]};var f={Feature:g,FeatureCollection:h,LineString:i,MultiLineString:j,MultiPoint:i,MultiPolygon:k,Point:l,Polygon:m};d3.geo.greatCircle=function(){function f(e,f){var g=b.call(this,e,f),h=c.call(this,e,f),i=g[0]*a,j=g[1]*a,k=h[0]*a,l=h[1]*a,m=Math.cos(i),n=Math.sin(i),o=Math.cos(j),p=Math.sin(j),q=Math.cos(k),r=Math.sin(k),s=Math.cos(l),t=Math.sin(l),e=Math.acos(p*t+o*s*Math.cos(k-i)),u=Math.sin(e),v=e/(d-1),w=-v,x=[],f=-1;while(++f<d){w+=v;var y=Math.sin(e-w)/u,z=Math.sin(w)/u,A=y*o*m+z*s*q,B=y*o*n+z*s*r,C=y*p+z*t;x[f]=[Math.atan2(B,A)/a,Math.atan2(C,Math.sqrt(A*A+B*B))/a]}return x}var b=n,c=o,d=100,e=6371;f.source=function(a){if(!arguments.length)return b;b=a;return f},f.target=function(a){if(!arguments.length)return c;c=a;return f},f.n=function(a){if(!arguments.length)return d;d=+a;return f},f.radius=function(a){if(!arguments.length)return e;e=+a;return f},f.distance=function(d,f){var g=b.call(this,d,f),h=c.call(this,d,f),i=g[0]*a,j=g[1]*a,k=h[0]*a,l=h[1]*a,m=Math.sin((l-j)/2),n=Math.sin((k-i)/2),o=m*m+Math.cos(j)*Math.cos(l)*n*n;return e*2*Math.atan2(Math.sqrt(o),Math.sqrt(1-o))};return f}})()
View
30 d3.js
@@ -10,7 +10,7 @@ try {
d3_style_setProperty.call(this, name, value + "", priority);
};
}
-d3 = {version: "2.1.3"}; // semver
+d3 = {version: "2.2.0"}; // semver
var d3_arraySubclass = [].__proto__?
// Until ECMAScript supports array subclassing, prototype injection works well.
@@ -2775,33 +2775,30 @@ var d3_svg_lineInterpolators = {
// Linear interpolation; generates "L" commands.
function d3_svg_lineLinear(points) {
- var path = [],
- i = 0,
+ var i = 0,
n = points.length,
- p = points[0];
- path.push(p[0], ",", p[1]);
+ p = points[0],
+ path = [p[0], ",", p[1]];
while (++i < n) path.push("L", (p = points[i])[0], ",", p[1]);
return path.join("");
}
// Step interpolation; generates "H" and "V" commands.
function d3_svg_lineStepBefore(points) {
- var path = [],
- i = 0,
+ var i = 0,
n = points.length,
- p = points[0];
- path.push(p[0], ",", p[1]);
+ p = points[0],
+ path = [p[0], ",", p[1]];
while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);
return path.join("");
}
// Step interpolation; generates "H" and "V" commands.
function d3_svg_lineStepAfter(points) {
- var path = [],
- i = 0,
+ var i = 0,
n = points.length,
- p = points[0];
- path.push(p[0], ",", p[1]);
+ p = points[0],
+ path = [p[0], ",", p[1]];
while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);
return path.join("");
}
@@ -2899,15 +2896,14 @@ function d3_svg_lineCardinalTangents(points, tension) {
// B-spline interpolation; generates "C" commands.
function d3_svg_lineBasis(points) {
if (points.length < 3) return d3_svg_lineLinear(points);
- var path = [],
- i = 1,
+ var i = 1,
n = points.length,
pi = points[0],
x0 = pi[0],
y0 = pi[1],
px = [x0, x0, x0, (pi = points[1])[0]],
- py = [y0, y0, y0, pi[1]];
- path.push(x0, ",", y0);
+ py = [y0, y0, y0, pi[1]],
+ path = [x0, ",", y0];
d3_svg_lineBasisBezier(path, px, py);
while (++i < n) {
pi = points[i];
View
101 d3.layout.js
@@ -221,9 +221,10 @@ d3.layout.force = function() {
nodes = [],
links = [],
distances,
- strengths;
+ strengths,
+ charges;
- function repulse(node, kc) {
+ function repulse(node) {
return function(quad, x1, y1, x2, y2) {
if (quad.point !== node) {
var dx = quad.cx - node.x,
@@ -232,14 +233,14 @@ d3.layout.force = function() {
/* Barnes-Hut criterion. */
if ((x2 - x1) * dn < theta) {
- var k = kc * quad.count * dn * dn;
+ var k = quad.charge * dn * dn;
node.px -= dx * k;
node.py -= dy * k;
return true;
}
if (quad.point && isFinite(dn)) {
- var k = kc * dn * dn;
+ var k = quad.pointCharge * dn * dn;
node.px -= dx * k;
node.py -= dy * k;
}
@@ -290,11 +291,11 @@ d3.layout.force = function() {
}
// compute quadtree center of mass and apply charge forces
- if (k = alpha * charge) {
- d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes));
+ if (charge) {
+ d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);
i = -1; while (++i < n) {
if (!(o = nodes[i]).fixed) {
- q.visit(repulse(o, k));
+ q.visit(repulse(o));
}
}
}
@@ -363,7 +364,7 @@ d3.layout.force = function() {
force.charge = function(x) {
if (!arguments.length) return charge;
- charge = x;
+ charge = typeof x === "function" ? x : +x;
return force;
};
@@ -414,6 +415,17 @@ d3.layout.force = function() {
if (isNaN(o.py)) o.py = o.y;
}
+ charges = [];
+ if (typeof charge === "function") {
+ for (i = 0; i < n; ++i) {
+ charges[i] = +charge.call(this, nodes[i], i);
+ }
+ } else {
+ for (i = 0; i < n; ++i) {
+ charges[i] = charge;
+ }
+ }
+
// initialize node position based on first neighbor
function position(dimension, size) {
var neighbors = neighbor(i),
@@ -497,10 +509,10 @@ function d3_layout_forceDrag() {
d3_layout_forceDragForce.resume(); // restart annealing
}
-function d3_layout_forceAccumulate(quad) {
+function d3_layout_forceAccumulate(quad, alpha, charges) {
var cx = 0,
cy = 0;
- quad.count = 0;
+ quad.charge = 0;
if (!quad.leaf) {
var nodes = quad.nodes,
n = nodes.length,
@@ -509,10 +521,10 @@ function d3_layout_forceAccumulate(quad) {
while (++i < n) {
c = nodes[i];
if (c == null) continue;
- d3_layout_forceAccumulate(c);
- quad.count += c.count;
- cx += c.count * c.cx;
- cy += c.count * c.cy;
+ d3_layout_forceAccumulate(c, alpha, charges);
+ quad.charge += c.charge;
+ cx += c.charge * c.cx;
+ cy += c.charge * c.cy;
}
}
if (quad.point) {
@@ -521,12 +533,13 @@ function d3_layout_forceAccumulate(quad) {
quad.point.x += Math.random() - .5;
quad.point.y += Math.random() - .5;
}
- quad.count++;
- cx += quad.point.x;
- cy += quad.point.y;
+ var k = alpha * charges[quad.point.index];
+ quad.charge += quad.pointCharge = k;
+ cx += k * quad.point.x;
+ cy += k * quad.point.y;
}
- quad.cx = cx / quad.count;
- quad.cy = cy / quad.count;
+ quad.cx = cx / quad.charge;
+ quad.cy = cy / quad.charge;
}
function d3_layout_forceLinkDistance(link) {
@@ -1030,9 +1043,9 @@ d3.layout.hierarchy = function() {
node = d3_layout_hierarchyInline ? data : {data: data};
node.depth = depth;
nodes.push(node);
- if (childs) {
+ if (childs && (n = childs.length)) {
var i = -1,
- n = childs.length,
+ n,
c = node.children = [],
v = 0,
j = depth + 1;
@@ -1054,9 +1067,9 @@ d3.layout.hierarchy = function() {
function revalue(node, depth) {
var children = node.children,
v = 0;
- if (children) {
+ if (children && (n = children.length)) {
var i = -1,
- n = children.length,
+ n,
j = depth + 1;
while (++i < n) v += revalue(children[i], j);
} else if (value) {
@@ -1304,7 +1317,7 @@ function d3_layout_packUnlink(node) {
function d3_layout_packTree(node) {
var children = node.children;
- if (children) {
+ if (children && children.length) {
children.forEach(d3_layout_packTree);
node.r = d3_layout_packCircle(children);
} else {
@@ -1324,19 +1337,22 @@ function d3_layout_packTransform(node, x, y, k) {
}
function d3_layout_packPlace(a, b, c) {
- var da = b.r + c.r,
- db = a.r + c.r,
+ var db = a.r + c.r,
dx = b.x - a.x,
- dy = b.y - a.y,
- dc = Math.sqrt(dx * dx + dy * dy),
- cos = (db * db + dc * dc - da * da) / (2 * db * dc),
- theta = Math.acos(cos),
- x = cos * db,
- h = Math.sin(theta) * db;
- dx /= dc;
- dy /= dc;
- c.x = a.x + x * dx + h * dy;
- c.y = a.y + x * dy - h * dx;
+ dy = b.y - a.y;
+ if (db && (dx || dy)) {
+ var da = b.r + c.r,
+ dc = Math.sqrt(dx * dx + dy * dy),
+ cos = Math.max(-1, Math.min(1, (db * db + dc * dc - da * da) / (2 * db * dc))),
+ theta = Math.acos(cos),
+ x = cos * (db /= dc),
+ y = Math.sin(theta) * db;
+ c.x = a.x + x * dx + y * dy;
+ c.y = a.y + x * dy - y * dx;
+ } else {
+ c.x = a.x + db;
+ c.y = a.y;
+ }
}
// Implements a hierarchical layout using the cluster (or dendogram) algorithm.
d3.layout.cluster = function() {
@@ -1354,9 +1370,10 @@ d3.layout.cluster = function() {
// First walk, computing the initial x & y values.
d3_layout_treeVisitAfter(root, function(node) {
- if (node.children) {
- node.x = d3_layout_clusterX(node.children);
- node.y = d3_layout_clusterY(node.children);
+ var children = node.children;
+ if (children && children.length) {
+ node.x = d3_layout_clusterX(children);
+ node.y = d3_layout_clusterY(children);
} else {
node.x = previousNode ? x += separation(node, previousNode) : 0;
node.y = 0;
@@ -1408,12 +1425,12 @@ function d3_layout_clusterX(children) {
function d3_layout_clusterLeft(node) {
var children = node.children;
- return children ? d3_layout_clusterLeft(children[0]) : node;
+ return children && children.length ? d3_layout_clusterLeft(children[0]) : node;
}
function d3_layout_clusterRight(node) {
- var children = node.children;
- return children ? d3_layout_clusterRight(children[children.length - 1]) : node;
+ var children = node.children, n;
+ return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;
}
// Node-link tree diagram using the Reingold-Tilford "tidy" algorithm
d3.layout.tree = function() {
View
2  d3.layout.min.js
@@ -1 +1 @@
-(function(){function bc(a,b){var c=a.x+b[3],d=a.y+b[0],e=a.dx-b[1]-b[3],f=a.dy-b[0]-b[2];e<0&&(c+=e/2,e=0),f<0&&(d+=f/2,f=0);return{x:c,y:d,dx:e,dy:f}}function bb(a){return{x:a.x,y:a.y,dx:a.dx,dy:a.dy}}function ba(a,b,c){return a._tree.ancestor.parent==b.parent?a._tree.ancestor:c}function _(a,b,c){a=a._tree,b=b._tree;var d=c/(b.number-a.number);a.change+=d,b.change-=d,b.shift+=c,b.prelim+=c,b.mod+=c}function $(a){var b=0,c=0,d=a.children,e=d.length,f;while(--e>=0)f=d[e]._tree,f.prelim+=b,f.mod+=b,b+=f.shift+(c+=f.change)}function Z(a,b){function c(a,d){var e=a.children;if(e){var f,g=null,h=-1,i=e.length;while(++h<i)f=e[h],c(f,g),g=f}b(a,d)}c(a,null)}function Y(a,b){return a.depth-b.depth}function X(a,b){return b.x-a.x}function W(a,b){return a.x-b.x}function V(a,b){var c=a.children;if(c){var d,e=c.length,f=-1;while(++f<e)b(d=V(c[f],b),a)>0&&(a=d)}return a}function U(a){return a.children?a.children[a.children.length-1]:a._tree.thread}function T(a){return a.children?a.children[0]:a._tree.thread}function S(a,b){return a.parent==b.parent?1:2}function R(a){var b=a.children;return b?R(b[b.length-1]):a}function Q(a){var b=a.children;return b?Q(b[0]):a}function P(a){return a.reduce(function(a,b){return a+b.x},0)/a.length}function O(a){return 1+d3.max(a,function(a){return a.y})}function N(a,b,c){var d=b.r+c.r,e=a.r+c.r,f=b.x-a.x,g=b.y-a.y,h=Math.sqrt(f*f+g*g),i=(e*e+h*h-d*d)/(2*e*h),j=Math.acos(i),k=i*e,l=Math.sin(j)*e;f/=h,g/=h,c.x=a.x+k*f+l*g,c.y=a.y+k*g-l*f}function M(a,b,c,d){var e=a.children;a.x=b+=d*a.x,a.y=c+=d*a.y,a.r*=d;if(e){var f=-1,g=e.length;while(++f<g)M(e[f],b,c,d)}}function L(a){var b=a.children;b?(b.forEach(L),a.r=I(b)):a.r=Math.sqrt(a.value)}function K(a){delete a._pack_next,delete a._pack_prev}function J(a){a._pack_next=a._pack_prev=a}function I(a){function l(a){b=Math.min(a.x-a.r,b),c=Math.max(a.x+a.r,c),d=Math.min(a.y-a.r,d),e=Math.max(a.y+a.r,e)}var b=Infinity,c=-Infinity,d=Infinity,e=-Infinity,f=a.length,g,h,i,j,k;a.forEach(J),g=a[0],g.x=-g.r,g.y=0,l(g);if(f>1){h=a[1],h.x=h.r,h.y=0,l(h);if(f>2){i=a[2],N(g,h,i),l(i),F(g,i),g._pack_prev=i,F(i,h),h=g._pack_next;for(var m=3;m<f;m++){N(g,h,i=a[m]);var n=0,o=1,p=1;for(j=h._pack_next;j!==h;j=j._pack_next,o++)if(H(j,i)){n=1;break}if(n==1)for(k=g._pack_prev;k!==j._pack_prev;k=k._pack_prev,p++)if(H(k,i)){p<o&&(n=-1,j=k);break}n==0?(F(g,i),h=i,l(i)):n>0?(G(g,j),h=j,m--):(G(j,h),g=j,m--)}}}var q=(b+c)/2,r=(d+e)/2,s=0;for(var m=0;m<f;m++){var t=a[m];t.x-=q,t.y-=r,s=Math.max(s,t.r+Math.sqrt(t.x*t.x+t.y*t.y))}a.forEach(K);return s}function H(a,b){var c=b.x-a.x,d=b.y-a.y,e=a.r+b.r;return e*e-c*c-d*d>.001}function G(a,b){a._pack_next=b,b._pack_prev=a}function F(a,b){var c=a._pack_next;a._pack_next=b,b._pack_prev=a,b._pack_next=c,c._pack_prev=b}function E(a,b){return a.value-b.value}function C(a){return 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View
21 package.json
@@ -1,11 +1,24 @@
{
"name": "d3",
- "version": "2.1.3",
+ "version": "2.2.0",
"description": "A small, free JavaScript library for manipulating documents based on data.",
- "keywords": ["dom", "w3c", "visualization", "svg", "animation", "canvas"],
+ "keywords": [
+ "dom",
+ "w3c",
+ "visualization",
+ "svg",
+ "animation",
+ "canvas"
+ ],
"homepage": "http://mbostock.github.com/d3/",
- "author": {"name": "Mike Bostock", "url": "http://bost.ocks.org/mike"},
- "repository": {"type": "git", "url": "http://github.com/mbostock/d3.git"},
+ "author": {
+ "name": "Mike Bostock",
+ "url": "http://bost.ocks.org/mike"
+ },
+ "repository": {
+ "type": "git",
+ "url": "http://github.com/mbostock/d3.git"
+ },
"dependencies": {
"uglify-js": "1.0.6",
"jsdom": "0.2.3",
View
2  src/core/core.js
@@ -1 +1 @@
-d3 = {version: "2.1.3"}; // semver
+d3 = {version: "2.2.0"}; // semver
View
36 src/geo/equirectangular.js
@@ -0,0 +1,36 @@
+d3.geo.equirectangular = function() {
+ var scale = 500,
+ translate = [480, 250];
+
+ function equirectangular(coordinates) {
+ var x = coordinates[0] / 360,
+ y = -coordinates[1] / 360;
+ return [
+ scale * x + translate[0],
+ scale * y + translate[1]
+ ];
+ }
+
+ equirectangular.invert = function(coordinates) {
+ var x = (coordinates[0] - translate[0]) / scale,
+ y = (coordinates[1] - translate[1]) / scale;
+ return [
+ 360 * x,
+ -360 * y
+ ];
+ };
+
+ equirectangular.scale = function(x) {
+ if (!arguments.length) return scale;
+ scale = +x;
+ return equirectangular;
+ };
+
+ equirectangular.translate = function(x) {
+ if (!arguments.length) return translate;
+ translate = [+x[0], +x[1]];
+ return equirectangular;
+ };
+
+ return equirectangular;
+};
View
13 src/layout/cluster.js
@@ -14,9 +14,10 @@ d3.layout.cluster = function() {
// First walk, computing the initial x & y values.
d3_layout_treeVisitAfter(root, function(node) {
- if (node.children) {
- node.x = d3_layout_clusterX(node.children);
- node.y = d3_layout_clusterY(node.children);
+ var children = node.children;
+ if (children && children.length) {
+ node.x = d3_layout_clusterX(children);
+ node.y = d3_layout_clusterY(children);
} else {
node.x = previousNode ? x += separation(node, previousNode) : 0;
node.y = 0;
@@ -68,10 +69,10 @@ function d3_layout_clusterX(children) {
function d3_layout_clusterLeft(node) {
var children = node.children;
- return children ? d3_layout_clusterLeft(children[0]) : node;
+ return children && children.length ? d3_layout_clusterLeft(children[0]) : node;
}
function d3_layout_clusterRight(node) {
- var children = node.children;
- return children ? d3_layout_clusterRight(children[children.length - 1]) : node;
+ var children = node.children, n;
+ return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;
}
View
51 src/layout/force.js
@@ -15,9 +15,10 @@ d3.layout.force = function() {
nodes = [],
links = [],
distances,
- strengths;
+ strengths,
+ charges;
- function repulse(node, kc) {
+ function repulse(node) {
return function(quad, x1, y1, x2, y2) {
if (quad.point !== node) {
var dx = quad.cx - node.x,
@@ -26,14 +27,14 @@ d3.layout.force = function() {
/* Barnes-Hut criterion. */
if ((x2 - x1) * dn < theta) {
- var k = kc * quad.count * dn * dn;
+ var k = quad.charge * dn * dn;
node.px -= dx * k;
node.py -= dy * k;
return true;
}
if (quad.point && isFinite(dn)) {
- var k = kc * dn * dn;
+ var k = quad.pointCharge * dn * dn;
node.px -= dx * k;
node.py -= dy * k;
}
@@ -84,11 +85,11 @@ d3.layout.force = function() {
}
// compute quadtree center of mass and apply charge forces
- if (k = alpha * charge) {
- d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes));
+ if (charge) {
+ d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);
i = -1; while (++i < n) {
if (!(o = nodes[i]).fixed) {
- q.visit(repulse(o, k));
+ q.visit(repulse(o));
}
}
}
@@ -157,7 +158,7 @@ d3.layout.force = function() {
force.charge = function(x) {
if (!arguments.length) return charge;
- charge = x;
+ charge = typeof x === "function" ? x : +x;
return force;
};
@@ -208,6 +209,17 @@ d3.layout.force = function() {
if (isNaN(o.py)) o.py = o.y;
}
+ charges = [];
+ if (typeof charge === "function") {
+ for (i = 0; i < n; ++i) {
+ charges[i] = +charge.call(this, nodes[i], i);
+ }
+ } else {
+ for (i = 0; i < n; ++i) {
+ charges[i] = charge;
+ }
+ }
+
// initialize node position based on first neighbor
function position(dimension, size) {
var neighbors = neighbor(i),
@@ -291,10 +303,10 @@ function d3_layout_forceDrag() {
d3_layout_forceDragForce.resume(); // restart annealing
}
-function d3_layout_forceAccumulate(quad) {
+function d3_layout_forceAccumulate(quad, alpha, charges) {
var cx = 0,
cy = 0;
- quad.count = 0;
+ quad.charge = 0;
if (!quad.leaf) {
var nodes = quad.nodes,
n = nodes.length,
@@ -303,10 +315,10 @@ function d3_layout_forceAccumulate(quad) {
while (++i < n) {
c = nodes[i];
if (c == null) continue;
- d3_layout_forceAccumulate(c);
- quad.count += c.count;
- cx += c.count * c.cx;
- cy += c.count * c.cy;
+ d3_layout_forceAccumulate(c, alpha, charges);
+ quad.charge += c.charge;
+ cx += c.charge * c.cx;
+ cy += c.charge * c.cy;
}
}
if (quad.point) {
@@ -315,12 +327,13 @@ function d3_layout_forceAccumulate(quad) {
quad.point.x += Math.random() - .5;
quad.point.y += Math.random() - .5;
}
- quad.count++;
- cx += quad.point.x;
- cy += quad.point.y;
+ var k = alpha * charges[quad.point.index];
+ quad.charge += quad.pointCharge = k;
+ cx += k * quad.point.x;
+ cy += k * quad.point.y;
}
- quad.cx = cx / quad.count;
- quad.cy = cy / quad.count;
+ quad.cx = cx / quad.charge;
+ quad.cy = cy / quad.charge;
}
function d3_layout_forceLinkDistance(link) {
View
8 src/layout/hierarchy.js
@@ -10,9 +10,9 @@ d3.layout.hierarchy = function() {
node = d3_layout_hierarchyInline ? data : {data: data};
node.depth = depth;
nodes.push(node);
- if (childs) {
+ if (childs && (n = childs.length)) {
var i = -1,
- n = childs.length,
+ n,
c = node.children = [],
v = 0,
j = depth + 1;
@@ -34,9 +34,9 @@ d3.layout.hierarchy = function() {
function revalue(node, depth) {
var children = node.children,
v = 0;
- if (children) {
+ if (children && (n = children.length)) {
var i = -1,
- n = children.length,
+ n,
j = depth + 1;
while (++i < n) v += revalue(children[i], j);
} else if (value) {
View
29 src/layout/pack.js
@@ -164,7 +164,7 @@ function d3_layout_packUnlink(node) {
function d3_layout_packTree(node) {
var children = node.children;
- if (children) {
+ if (children && children.length) {
children.forEach(d3_layout_packTree);
node.r = d3_layout_packCircle(children);
} else {
@@ -184,17 +184,20 @@ function d3_layout_packTransform(node, x, y, k) {
}
function d3_layout_packPlace(a, b, c) {
- var da = b.r + c.r,
- db = a.r + c.r,
+ var db = a.r + c.r,
dx = b.x - a.x,
- dy = b.y - a.y,
- dc = Math.sqrt(dx * dx + dy * dy),
- cos = (db * db + dc * dc - da * da) / (2 * db * dc),
- theta = Math.acos(cos),
- x = cos * db,
- h = Math.sin(theta) * db;
- dx /= dc;
- dy /= dc;
- c.x = a.x + x * dx + h * dy;
- c.y = a.y + x * dy - h * dx;
+ dy = b.y - a.y;
+ if (db && (dx || dy)) {
+ var da = b.r + c.r,
+ dc = Math.sqrt(dx * dx + dy * dy),
+ cos = Math.max(-1, Math.min(1, (db * db + dc * dc - da * da) / (2 * db * dc))),
+ theta = Math.acos(cos),
+ x = cos * (db /= dc),
+ y = Math.sin(theta) * db;
+ c.x = a.x + x * dx + y * dy;
+ c.y = a.y + x * dy - y * dx;
+ } else {
+ c.x = a.x + db;
+ c.y = a.y;
+ }
}
View
17 src/package.js
@@ -0,0 +1,17 @@
+require("../test/env");
+require("../d3");
+
+require("util").puts(JSON.stringify({
+ "name": "d3",
+ "version": d3.version,
+ "description": "A small, free JavaScript library for manipulating documents based on data.",
+ "keywords": ["dom", "w3c", "visualization", "svg", "animation", "canvas"],
+ "homepage": "http://mbostock.github.com/d3/",
+ "author": {"name": "Mike Bostock", "url": "http://bost.ocks.org/mike"},
+ "repository": {"type": "git", "url": "http://github.com/mbostock/d3.git"},
+ "dependencies": {
+ "uglify-js": "1.0.6",
+ "jsdom": "0.2.3",
+ "vows": "0.5.10"
+ }
+}, null, 2));
View
28 src/svg/line.js
@@ -93,33 +93,30 @@ var d3_svg_lineInterpolators = {
// Linear interpolation; generates "L" commands.
function d3_svg_lineLinear(points) {
- var path = [],
- i = 0,
+ var i = 0,
n = points.length,
- p = points[0];
- path.push(p[0], ",", p[1]);
+ p = points[0],
+ path = [p[0], ",", p[1]];
while (++i < n) path.push("L", (p = points[i])[0], ",", p[1]);
return path.join("");
}
// Step interpolation; generates "H" and "V" commands.
function d3_svg_lineStepBefore(points) {
- var path = [],
- i = 0,
+ var i = 0,
n = points.length,
- p = points[0];
- path.push(p[0], ",", p[1]);
+ p = points[0],
+ path = [p[0], ",", p[1]];
while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);
return path.join("");
}
// Step interpolation; generates "H" and "V" commands.
function d3_svg_lineStepAfter(points) {
- var path = [],
- i = 0,
+ var i = 0,
n = points.length,
- p = points[0];
- path.push(p[0], ",", p[1]);
+ p = points[0],
+ path = [p[0], ",", p[1]];
while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);
return path.join("");
}
@@ -217,15 +214,14 @@ function d3_svg_lineCardinalTangents(points, tension) {
// B-spline interpolation; generates "C" commands.
function d3_svg_lineBasis(points) {
if (points.length < 3) return d3_svg_lineLinear(points);
- var path = [],
- i = 1,
+ var i = 1,
n = points.length,
pi = points[0],
x0 = pi[0],
y0 = pi[1],
px = [x0, x0, x0, (pi = points[1])[0]],
- py = [y0, y0, y0, pi[1]];
- path.push(x0, ",", y0);
+ py = [y0, y0, y0, pi[1]],
+ path = [x0, ",", y0];
d3_svg_lineBasisBezier(path, px, py);
while (++i < n) {
pi = points[i];
View
50 test/geo/equirectangular-test.js
@@ -0,0 +1,50 @@
+require("../env");
+require("../../d3");
+require("../../d3.geo");
+
+var vows = require("vows"),
+ assert = require("assert");
+
+var suite = vows.describe("d3.geo.equirectangular");
+
+suite.addBatch({
+ "equirectangular": {
+ topic: function() {
+ return d3.geo.equirectangular();
+ },
+
+ "scale": {
+ "defaults to 500": function(projection) {
+ assert.equal(projection.scale(), 500);
+ },
+ "is coerced to a number": function(projection) {
+ assert.strictEqual(projection.scale("400"), projection);
+ assert.strictEqual(projection.scale(), 400);
+ projection.scale(500);
+ }
+ },
+
+ "translate": {
+ "defaults to [480, 250]": function(projection) {
+ assert.deepEqual(projection.translate(), [480, 250]);
+ },
+ "is coerced to two numbers": function(projection) {
+ assert.strictEqual(projection.translate(["23", "141"]), projection);
+ assert.strictEqual(projection.translate()[0], 23);
+ assert.strictEqual(projection.translate()[1], 141);
+ projection.translate([480, 250]);
+ }
+ },
+
+ "of San Francisco, CA": {
+ "is at location [-122.446, 37.767]": function(projection) {
+ assert.inDelta(projection.invert([310, 198]), [-122.446, 37.767], .5);
+ },
+ "is at point [310, 198]": function(projection) {
+ assert.inDelta(projection([-122.446, 37.767]), [310, 198], .5);
+ }
+ }
+ }
+});
+
+suite.export(module);
View
39 test/layout/cluster-test.js
@@ -0,0 +1,39 @@
+require("../env");
+require("../../d3");
+require("../../d3.layout");
+
+var vows = require("vows"),
+ assert = require("assert");
+
+var suite = vows.describe("d3.layout.cluster");
+
+suite.addBatch({
+ "cluster": {
+ topic: d3.layout.cluster,
+ "can handle an empty children array": function(cluster) {
+ assert.deepEqual(cluster.nodes({value: 1, children: [{value: 1, children: []}, {value: 1}]}).map(layout), [
+ {value: 1, depth: 0, x: 0.5, y: 0},
+ {value: 1, depth: 1, x: 0.25, y: 1},
+ {value: 1, depth: 1, x: 0.75, y: 1}
+ ]);
+ },
+ "can handle zero-valued nodes": function(cluster) {
+ assert.deepEqual(cluster.nodes({value: 0, children: [{value: 0}, {value: 1}]}).map(layout), [
+ {value: 0, depth: 0, x: 0.5, y: 0},
+ {value: 0, depth: 1, x: 0.25, y: 1},
+ {value: 1, depth: 1, x: 0.75, y: 1}
+ ]);
+ }
+ }
+});
+
+function layout(node) {
+ return {
+ value: node.value,
+ depth: node.depth,
+ x: node.x,
+ y: node.y
+ };
+}
+
+suite.export(module);
View
30 test/layout/hierarchy-test.js
@@ -0,0 +1,30 @@
+require("../env");
+require("../../d3");
+require("../../d3.layout");
+
+var vows = require("vows"),
+ assert = require("assert");
+
+var suite = vows.describe("d3.layout.hierarchy");
+
+suite.addBatch({
+ "hierarchy": {
+ topic: function() {
+ return d3.layout.treemap(); // hierarchy is abstract, so test a subclass
+ },
+ "doesn't overwrite the value of a node that has an empty children array": function(hierarchy) {
+ var nodes = hierarchy.sticky(true).nodes({value: 1, children: []});
+ assert.equal(nodes[0].value, 1);
+ hierarchy.nodes(nodes[0]);
+ assert.equal(nodes[0].value, 1);
+ },
+ "a valueless node that has an empty children array gets a value of 0": function(hierarchy) {
+ var nodes = hierarchy.sticky(true).nodes({children: []});
+ assert.equal(nodes[0].value, 0);
+ hierarchy.nodes(nodes[0]);
+ assert.equal(nodes[0].value, 0);
+ }
+ }
+});
+
+suite.export(module);
View
52 test/layout/pack-test.js
@@ -0,0 +1,52 @@
+require("../env");
+require("../../d3");
+require("../../d3.layout");
+
+var vows = require("vows"),
+ assert = require("assert");
+
+var suite = vows.describe("d3.layout.pack");
+
+suite.addBatch({
+ "pack": {
+ topic: d3.layout.pack,
+ "can handle an empty children array": function(pack) {
+ assert.deepEqual(pack.nodes({children: [{children: []}, {value: 1}]}).map(layout), [
+ {value: 1, depth: 0, x: 0.5, y: 0.5, r: 0.5},
+ {value: 0, depth: 1, x: 0.0, y: 0.5, r: 0.0},
+ {value: 1, depth: 1, x: 0.5, y: 0.5, r: 0.5}
+ ]);
+ },
+ "can handle zero-valued nodes": function(pack) {
+ assert.deepEqual(pack.nodes({children: [{value: 0}, {value: 1}]}).map(layout), [
+ {value: 1, depth: 0, x: 0.5, y: 0.5, r: 0.5},
+ {value: 0, depth: 1, x: 0.0, y: 0.5, r: 0.0},
+ {value: 1, depth: 1, x: 0.5, y: 0.5, r: 0.5}
+ ]);
+ },
+ "can handle residual floating point error": function(pack) {
+ var result = pack.nodes({children: [
+ {value: 0.005348322447389364},
+ {value: 0.8065882022492588},
+ {value: 0}
+ ]}).map(layout);
+ assert.deepEqual(result.map(function(d) { return d.depth; }), [0, 1, 1, 1]);
+ assert.inDelta(result.map(function(d) { return d.value; }), [0.8119365246966481, 0.005348322447389364, 0.8065882022492588, 0], 1e-6);
+ assert.inDelta(result.map(function(d) { return d.x; }), [0.5, 0.9623509026331429, 0.4623509026331429, 0.9247018052662859], 1e-6);
+ assert.inDelta(result.map(function(d) { return d.y; }), [0.5, 0.5, 0.5, 0.5], 1e-6);
+ assert.inDelta(result.map(function(d) { return d.r; }), [0.5, 0.037649097366857086, 0.46235090263314294, 0], 1e-6);
+ }
+ }
+});
+
+function layout(node) {
+ return {
+ value: node.value,
+ depth: node.depth,
+ r: node.r,
+ x: node.x,
+ y: node.y
+ };
+}
+
+suite.export(module);
View
13 test/layout/partition-test.js
@@ -14,7 +14,7 @@ suite.addBatch({
},
"ignores zero values": function(partition) {
var p = partition().size([3, 3]);
- assert.deepEqual(p({children: [{value: 1}, {value: 0}, {value: 2}, {children: [{value: 0}, {value: 0}]}]}).map(metadata), [
+ assert.deepEqual(p.nodes({children: [{value: 1}, {value: 0}, {value: 2}, {children: [{value: 0}, {value: 0}]}]}).map(metadata), [
{x: 0, y: 0, dx: 3, dy: 1},
{x: 2, y: 1, dx: 1, dy: 1},
{x: 3, y: 1, dx: 0, dy: 1},
@@ -23,6 +23,17 @@ suite.addBatch({
{x: 3, y: 2, dx: 0, dy: 1},
{x: 3, y: 2, dx: 0, dy: 1}
]);
+ },
+ "can handle an empty children array": function(partition) {
+ var p = partition();
+ assert.deepEqual(p.nodes({children: []}).map(metadata), [
+ {x: 0, y: 0, dx: 1, dy: 1}
+ ]);
+ assert.deepEqual(p.nodes({children: [{children: []}, {value: 1}]}).map(metadata), [
+ {x: 0, y: 0, dx: 1, dy: 0.5},
+ {x: 1, y: 0.5, dx: 0, dy: 0.5},
+ {x: 0, y: 0.5, dx: 1, dy: 0.5}
+ ]);
}
}
});
View
10 test/layout/treemap-test.js
@@ -164,6 +164,16 @@ suite.addBatch({
{"value": 1189}
]}).map(layout);
assert.equal(nodes.filter(function(n) { return n.dx < 0 || n.dy < 0; }).length, 0);
+ },
+ "can handle an empty children array": function(treemap) {
+ assert.deepEqual(treemap().nodes({children: []}).map(layout), [
+ {x: 0, y: 0, dx: 1, dy: 1}
+ ]);
+ assert.deepEqual(treemap().nodes({children: [{children: []}, {value: 1}]}).map(layout), [
+ {x: 0, y: 0, dx: 1, dy: 1},
+ {x: 0, y: 0, dx: 0, dy: 1},
+ {x: 0, y: 0, dx: 1, dy: 1}
+ ]);
}
}
});
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