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Fix two sorting bugs in chord layout.

We still weren't sorting subgroups correctly. Also, we now sort chords by their
average value, rather than the source value, which works well with one-sided
chords (where either the source or target value is zero).
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commit c0e5b96336e676fd84cb4a7bbb70686a3c809359 1 parent 2f6d2fa
Mike Bostock mbostock authored
2  d3.js
@@ -10,7 +10,7 @@ try {
10 10 d3_style_setProperty.call(this, name, value + "", priority);
11 11 };
12 12 }
13   -d3 = {version: "2.4.5"}; // semver
  13 +d3 = {version: "2.4.6"}; // semver
14 14 var d3_array = d3_arraySlice; // conversion for NodeLists
15 15
16 16 function d3_arrayCopy(pseudoarray) {
6 d3.layout.js
@@ -116,7 +116,7 @@ d3.layout.chord = function() {
116 116 x = 0, i = -1; while (++i < n) {
117 117 x0 = x, j = -1; while (++j < n) {
118 118 var di = groupIndex[i],
119   - dj = subgroupIndex[i][j],
  119 + dj = subgroupIndex[di][j],
120 120 v = matrix[di][dj];
121 121 subgroups[di + "-" + dj] = {
122 122 index: di,
@@ -153,7 +153,9 @@ d3.layout.chord = function() {
153 153
154 154 function resort() {
155 155 chords.sort(function(a, b) {
156   - return sortChords(a.target.value, b.target.value);
  156 + return sortChords(
  157 + (a.source.value + a.target.value) / 2,
  158 + (b.source.value + b.target.value) / 2);
157 159 });
158 160 }
159 161
2  d3.layout.min.js
... ... @@ -1 +1 @@
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2  package.json
... ... @@ -1,6 +1,6 @@
1 1 {
2 2 "name": "d3",
3   - "version": "2.4.5",
  3 + "version": "2.4.6",
4 4 "description": "A small, free JavaScript library for manipulating documents based on data.",
5 5 "keywords": [
6 6 "dom",
2  src/core/core.js
... ... @@ -1 +1 @@
1   -d3 = {version: "2.4.5"}; // semver
  1 +d3 = {version: "2.4.6"}; // semver
6 src/layout/chord.js
@@ -58,7 +58,7 @@ d3.layout.chord = function() {
58 58 x = 0, i = -1; while (++i < n) {
59 59 x0 = x, j = -1; while (++j < n) {
60 60 var di = groupIndex[i],
61   - dj = subgroupIndex[i][j],
  61 + dj = subgroupIndex[di][j],
62 62 v = matrix[di][dj];
63 63 subgroups[di + "-" + dj] = {
64 64 index: di,
@@ -95,7 +95,9 @@ d3.layout.chord = function() {
95 95
96 96 function resort() {
97 97 chords.sort(function(a, b) {
98   - return sortChords(a.target.value, b.target.value);
  98 + return sortChords(
  99 + (a.source.value + a.target.value) / 2,
  100 + (b.source.value + b.target.value) / 2);
99 101 });
100 102 }
101 103

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