第1 章 核心（Core） .......................... 1
1.1 选择 ......................................................... 1
1.1.1 d3.select(selector) .......................................... 1
1.1.2 d3.select(node) ............................................... 2
1.1.3 d3.selectAll(selector) ..................................... 3
1.1.4 d3.selectAll(nodes) ........................................ 4
1.1.5 selection.attr(name[, value]) .......................... 4
1.1.6 selection.classed(name[, value]) .................... 5
1.1.7 selection.style(name[, value[, priority]]) ........ 6
1.1.8 selection.property(name[, value]) .................. 6
1.1.9 selection.text([value]) .................................... 7
1.1.10 selection.html([value]) ................................. 8
1.1.11 selection.append(name) ................................ 9
1.1.12 selection.insert(name[, before]) ................... 9
1.1.13 selection.remove() ...................................... 10
1.1.14 selection.data([values[, key]]) .................... 10
1.1.15 selection.enter().......................................... 12
1.1.16 selection.exit() ........................................... 14
1.1.17 selection.filter(selector) ............................. 15
1.1.18 selection.datum([value]) ............................ 15
1.1.19 selection.sort(comparator) .......................... 16
1.1.20 selection.on(type[, listener[, capture]]) ...... 17
1.1.21 d3.event ..................................................... 18
1.1.22 d3.mouse(container) .................................. 19
1.1.23 selection.transition() .................................. 19
1.1.24 selection.select(selector) ............................ 19
1.1.25 selection.selectAll(selector) ....................... 20
1.1.26 selection.each(function) ............................. 21
1.1.27 selection.call(function[, arguments…]) ..... 22
1.1.28 selection.empty() ....................................... 23
1.1.29 selection.node() ......................................... 23
1.1.30 selection.size() ........................................... 23
1.2 过渡 ....................................................... 23
1.2.1 transition.delay([delay]) .............................. 23
1.2.2 transition.duration([duration]) ..................... 24
1.2.3 transition.ease([value[, arguments]]) ........... 25
1.2.4 transition.attr(name, value) .......................... 25
1.2.5 transition.attrTween(name, tween) .............. 26
1.2.6 transition.style(name, value[, priority]) ....... 26
1.2.7 transition.styleTween(name,
tween[, priority]) ......................................... 27
1.2.8 transition.text(value) .................................... 27
1.2.9 transition.tween(name, factory) ................... 28
1.2.10 transition.remove() .................................... 28
1.2.11 transition.select(selector) ........................... 29
1.2.12 transition.selectAll(selector) ...................... 29
1.2.13 transition.filter(selector) ............................. 30
1.2.14 transition.transition() .................................. 30
1.2.15 transition.each([type, ]listener) .................. 30
1.2.16 transition.call(function[, arguments…]) ..... 31
1.2.17 transition.empty() ....................................... 32
1.2.18 transition.node() ......................................... 32
1.2.19 transition.size() .......................................... 32
1.2.20 d3.ease(type[, arguments…]) ..................... 32
1.2.21 ease(t) ........................................................ 33
1.2.22 d3.timer(function[, delay[, time]]) ............. 33
1.2.23 d3.interpolate(a, b) ..................................... 34
1.2.24 interpolate(t) .............................................. 34
1.2.25 d3.interpolateNumber(a, b) ........................ 35
1.2.26 d3.interpolateRound(a, b) .......................... 35
1.2.27 d3.interpolateString(a, b) ........................... 35
1.2.28 d3.interpolateRgb(a, b) .............................. 36
1.2.29 d3.interpolateHsl(a, b) ............................... 36
1.2.30 d3.interpolateLab(a, b) ............................... 36
1.2.31 d3.interpolateHcl(a, b) ............................... 36
1.2.32 d3.interpolateArray(a, b) ............................ 37
1.2.33 d3.interpolateObject(a, b) .......................... 37
1.2.34 d3.interpolateTransform(a, b) .................... 37
1.2.35 d3.interpolateZoom(a, b)............................ 38
1.3 数组 ....................................................... 39
1.3.1 d3.ascending(a, b) ........................................ 39
1.3.2 d3.descending(a, b) ...................................... 40
1.3.3 d3.min(array[, accessor]) ............................. 40
1.3.4 d3.max(array[, accessor]) ............................. 41
1.3.5 d3.extent(array[, accessor]) .......................... 41
1.3.6 d3.sum(array[, accessor]) ............................. 41
1.3.7 d3.mean(array[, accessor]) ........................... 41
1.3.8 d3.median(array[, accessor]) ........................ 42
1.3.9 d3.quantile(numbers, p) ............................... 42
1.3.10 d3.bisectLeft(array, x[, lo[, hi]]) ................ 42
1.3.11 d3.bisectRight(array, x[, lo[, hi]]) .............. 42
1.3.12 d3.bisect(array, x[, lo[, hi]]) ....................... 43
1.3.13 d3.bisector(accessor) ................................. 43
1.3.14 d3.shuffle(array) ........................................ 44
1.3.15 d3.keys(object) .......................................... 44
1.3.16 d3.values(object) ....................................... 44
1.3.17 d3.entries(object) ....................................... 44
1.3.18 d3.map([object]) ........................................ 44
1.3.19 map.has(key) ............................................. 45
1.3.20 map.get(key) .............................................. 45
1.3.21 map.set(key, value) .................................... 45
1.3.22 map.remove(key) ....................................... 45
1.3.23 map.keys() ................................................. 45
1.3.24 map.values() .............................................. 45
1.3.25 map.entries() .............................................. 46
1.3.26 map.forEach(function) ............................... 46
1.3.27 map.empty() .............................................. 46
1.3.28 map.size() .................................................. 46
1.3.29 d3.set([array]) ............................................ 46
1.3.30 set.has(value) ............................................. 47
1.3.31 set.add(value) ............................................ 47
1.3.32 set.remove(value) ...................................... 47
1.3.33 set.values() ................................................. 47
1.3.34 set.forEach(function) ................................. 47
1.3.35 set.empty() ................................................. 47
1.3.36 set.size() .................................................... 47
1.3.37 d3.merge(arrays) ........................................ 48
1.3.38 d3.range([start, ]stop[, step]) ..................... 48
1.3.39 d3.permute(array, indexes) ........................ 48
1.3.40 d3.zip(arrays…) ......................................... 48
1.3.41 d3.transpose(matrix) .................................. 49
1.3.42 d3.pairs(array) ............................................ 49
1.3.43 d3.nest() ..................................................... 49
1.3.44 nest.key(function) ...................................... 50
1.3.45 nest.sortKeys(comparator) ......................... 50
1.3.46 nest.sortValues(comparator) ....................... 51
1.3.47 nest.rollup(function)................................... 51
1.3.48 nest.map(array[, mapType]) ....................... 52
1.3.49 nest.entries(array) ...................................... 53
1.4 数学 ....................................................... 54
1.4.1 d3.random.normal([mean, [deviation]]) ....... 54
1.4.2 d3.random.logNormal([mean, [deviation]]) ... 54
1.4.3 d3.random.bates(count) ................................ 55
1.4.4 d3.random.irwinHall(count) ......................... 56
1.4.5 d3.transform(string) ..................................... 56
1.4.6 transform.rotate ............................................ 57
1.4.7 transform.translate ....................................... 57
1.4.8 transform.skew ............................................. 57
1.4.9 transform.scale ............................................. 57
1.4.10 transform.toString ...................................... 57
1.5 请求 ....................................................... 57
1.5.1 d3.xhr(url[, mimeType][, callback]) ............. 57
1.5.2 xhr.header(name[, value]) ............................ 58
1.5.3 xhr.mimeType([type]) .................................. 59
1.5.4 xhr.responseType(type) ................................ 60
1.5.5 xhr.response(value) ...................................... 61
1.5.6 xhr.get([callback]) ........................................ 61
1.5.7 xhr.post([data][, callback]) ........................... 61
1.5.8 xhr.send(method[, data][, callback]) ............ 62
1.5.9 xhr.abort() .................................................... 62
1.5.10 xhr.on(type[, listener]) ............................... 63
1.5.11 d3.text(url[, mimeType][, callback]) .......... 63
1.5.12 d3.json(url[, callback]) ............................... 64
1.5.13 d3.xml(url[, mimeType][, callback]) .......... 65
1.5.14 d3.html(url[, callback]) .............................. 66
1.5.15 d3.csv(url[, accessor][, callback]) .............. 66
1.5.16 d3.tsv(url[, accessor][, callback]) .............. 67
1.6 格式化 ................................................... 68
1.6.1 d3.format(specifier) ..................................... 68
1.6.2 d3.formatPrefix(value[, precision]) ............. 70
1.6.3 d3.round(x[, n]) ........................................... 70
1.6.4 d3.requote(string) ........................................ 71
1.7 本地化 ................................................... 71
1.7.1 d3.locale(definition) .................................... 71
1.7.2 locale.numberFormat(specifier) ................... 72
1.7.3 locale.timeFormat(specifier) ........................ 72
1.7.4 locale.timeFormat.utc(specifier) .................. 72
第2 章 比例尺（Scales） .................. 74
2.1 线性比例尺 ........................................... 74
2.1.1 d3.scale.linear() ........................................... 75
2.1.2 linear(x) ....................................................... 75
2.1.3 linear.invert(y) ............................................. 75
2.1.4 linear.domain([numbers]) ............................ 76
2.1.5 linear.range([values]) ................................... 76
2.1.6 linear.rangeRound(values) ........................... 77
2.1.7 linear.interpolate([factory]) .......................... 78
2.1.8 linear.clamp([boolean]) ............................... 78
2.1.9 linear.nice([count]) ...................................... 79
2.1.10 linear.ticks([count]) ................................... 80
2.1.11 linear.tickFormat(count, [format]) ............. 80
2.1.12 linear.copy() ............................................... 80
2.2 恒等比例尺 ........................................... 81
2.2.1 d3.scale.identity() ........................................ 82
2.2.2 identity.invert(x) .......................................... 82
2.2.3 identity.invert(y) .......................................... 82
2.2.4 identity.domain([numbers]) .......................... 82
2.2.5 identity.range([numbers]) ............................. 82
2.2.6 identity.ticks([count]) ................................... 83
2.2.7 identity.tickFormat(count, [format]) ............ 83
2.2.8 identity.copy() .............................................. 83
2.3 乘方比例尺 ........................................... 83
2.3.1 d3.scale.sqrt() ............................................... 84
2.3.2 d3.scale.pow() .............................................. 85
2.3.3 pow(x) .......................................................... 85
2.3.4 pow.invert(y) ................................................ 85
2.3.5 pow.domain([numbers]) ............................... 85
2.3.6 pow.range([values]) ..................................... 86
2.3.7 pow.rangeRound(values).............................. 87
2.3.8 pow.exponent([k]) ........................................ 87
2.3.9 pow.interpolate([factory]) ............................ 87
2.3.10 pow.clamp([boolean]) ................................ 88
2.3.11 pow.nice([m]) ............................................. 88
2.3.12 pow.ticks([count]) ...................................... 89
2.3.13 pow.tickFormat([count, [format]]) ............. 89
2.3.14 pow.copy() ................................................. 89
2.4 对数比例尺 ........................................... 90
2.4.1 d3.scale.log()................................................ 91
2.4.2 log(x) ............................................................ 91
2.4.3 log.invert(y) ................................................. 91
2.4.4 log.domain([numbers]) ................................ 91
2.4.5 log.range([values]) ....................................... 92
2.4.6 log.rangeRound(values) ............................... 92
2.4.7 log.interpolate([factory]) .............................. 93
2.4.8 log.clamp([boolean]) .................................... 93
2.4.9 log.nice() ...................................................... 94
2.4.10 log.ticks() ................................................... 94
2.4.11 log.tickFormat([count, [format]]) ............... 94
2.4.12 log.copy() ................................................... 95
2.5 量化比例尺 ........................................... 95
2.5.1 d3.scale.quantize() ....................................... 96
2.5.2 quantize(x) ................................................... 96
2.5.3 quantize.invertExtent(y) .............................. 96
2.5.4 quantize.domain([numbers]) ........................ 97
2.5.5 quantize.range([values]) .............................. 97
2.5.6 quantize.copy() ............................................ 97
2.6 分位数比例尺 ....................................... 97
2.6.1 d3.scale.quantile() ....................................... 99
2.6.2 quantile(x) ................................................... 99
2.6.3 quantile.invertExtent(y) ............................... 99
2.6.4 quantile.domain([numbers]) ........................ 99
2.6.5 quantile.range([values]) ............................... 99
2.6.6 quantile.quantiles() .................................... 100
2.6.7 quantile.copy() ........................................... 100
2.7 临界值比例尺 ..................................... 100
2.7.1 d3.scale.threshold() ................................... 101
2.7.2 threshold(x) ............................................... 101
2.7.3 threshold.invertExtent(y) ........................... 101
2.7.4 threshold.domain([domain]) ...................... 102
2.7.5 threshold.range([values]) ........................... 102
2.7.6 threshold.copy() ......................................... 102
2.8 序数比例尺 ......................................... 103
2.8.1 d3.scale.ordinal() ....................................... 104
2.8.2 ordinal(x) ................................................... 104
2.8.3 ordinal.domain([values]) ........................... 104
2.8.4 ordinal.range([values]) .............................. 105
2.8.5 ordinal.rangePoints(interval[, padding]) .... 105
2.8.6 ordinal.rangeBands
(interval[, padding[, outerPadding]]) ......... 106
2.8.7 ordinal.rangeRoundBands
(interval[, padding[, outerPadding]]) ......... 107
2.8.8 ordinal.rangeBand() ................................... 108
2.8.9 ordinal.rangeExtent() ................................. 108
2.8.10 ordinal.copy() ........................................... 108
2.8.11 d3.scale.category10() ............................... 108
2.8.12 d3.scale.category20() ............................... 109
2.8.13 d3.scale.category20b() ............................. 110
2.8.14 d3.scale.category20c() ............................. 110
2.9 时间比例尺 ......................................... 111
2.9.1 d3.time.scale() ............................................ 111
2.9.2 d3.time.scale.utc() ...................................... 111
2.9.3 scale(x) ...................................................... 112
2.9.4 scale.invert(y) ............................................ 112
2.9.5 scale.domain([dates]) ................................. 112
2.9.6 scale.nice([interval[, step]]) ....................... 112
2.9.7 scale.nice([count]) ...................................... 113
2.9.8 scale.range([values]) .................................. 114
2.9.9 scale.rangeRound([values]) ........................ 114
2.9.10 scale.interpolate([factory]) ....................... 114
2.9.11 scale.clamp([boolean]) ............................. 115
2.9.12 scale.ticks([interval[, step]]) .................... 115
2.9.13 scale.ticks([count]) ................................... 116
2.9.14 scale.copy() .............................................. 116
第3 章 可缩放矢量图形（SVG）..... 117
3.1 SVG 元素 ............................................ 117
3.1.1 svg:rect x="0" y="0" width="0"
height="0" rx="0" ry="0" .......................... 117
3.1.2 svg:circle cx="0" cy="0" r="0" .................. 118
3.1.3 svg:ellipse cx="0" cy="0" rx="0" ry="0" ... 119
3.1.4 svg:line x1="0" y1="0" x2="0" y2="0" ..... 119
3.1.5 svg:polyline points="" ............................... 120
3.1.6 svg:polygon points="" ............................... 120
3.1.7 svg:text x="0" y="0" dx="0" dy="0"
text-anchor="start" .................................... 121
3.1.8 svg:path d="" transform="" ....................... 122
3.2 线生成器 ............................................. 123
3.2.1 d3.svg.line() ............................................... 123
3.2.2 line(data) ................................................... 123
3.2.3 line.x([x])和line.y([y]) ............................. 124
3.2.4 line.interpolate([interpolate]) ..................... 124
3.2.5 line.tension([tension]) ................................ 125
3.2.6 line.defined([defined]) ............................... 126
3.3 径向线生成器 ..................................... 126
3.3.1 d3.svg.line.radial() ..................................... 126
3.3.2 line(data) ................................................... 127
3.3.3 line.radius([radius]) ................................... 127
3.3.4 line.angle([angle]) ..................................... 127
3.3.5 line.interpolate([interpolate]) ..................... 127
3.3.6 line.tension([tension]) ................................ 128
3.3.7 line.defined([defined]) ............................... 128
3.4 面积生成器 ......................................... 128
3.4.1 d3.svg.area() .............................................. 128
3.4.2 area(data) ................................................... 129
3.4.3 area.x([x]) .................................................. 129
3.4.4 area.y0([y0]) .............................................. 130
3.4.5 area.y1([y1]) .............................................. 130
3.4.6 area.y，area.x0，area.x1 .......................... 130
3.4.7 area.interpolate([interpolate]) .................... 131
3.4.8 area.tension([tension]) ............................... 131
3.4.9 area.defined([defined]) .............................. 131
3.5 径向面积生成器 ................................. 131
3.5.1 d3.svg.area.radial() .................................... 131
3.5.2 area(data) ................................................... 132
3.5.3 area.outerRadius([radius]) ......................... 132
3.5.4 area.innerRadius([radius]) ......................... 132
3.5.5 area.angle([angle]) ..................................... 132
3.6 弧生成器 ............................................. 133
3.6.1 d3.svg.arc() ................................................ 133
3.6.2 arc(datum[, index]) .................................... 134
3.6.3 arc.innerRadius([radius]) ........................... 134
3.6.4 arc.outerRadius([radius]) ........................... 134
3.6.5 arc.startAngle([angle]) ............................... 135
3.6.6 arc.endAngle([angle]) ................................ 135
3.6.7 arc.centroid(arguments…) ......................... 135
3.7 符号生成器 ......................................... 136
3.7.1 d3.svg.symbol() ......................................... 136
3.7.2 symbol.type([type]) .................................... 137
3.7.3 symbol.size([size]) ..................................... 138
3.7.4 d3.svg.symbolTypes ................................... 139
3.8 弦生成器 ............................................. 139
3.8.1 d3.svg.chord() ............................................ 139
3.8.2 chord(datum[, index]) ................................ 140
3.8.3 chord.source([source]) ............................... 140
3.8.4 chord.target([target]) .................................. 140
3.8.5 chord.startAngle([angle]) ........................... 141
3.8.6 chord.endAngle([angle]) ............................ 141
3.8.7 chord.radius([radius])................................. 141
3.9 对角线生成器 ..................................... 142
3.9.1 d3.svg.diagonal() ....................................... 142
3.9.2 diagonal(datum[, index]) ............................ 143
3.9.3 diagonal.source([source]) ........................... 143
3.9.4 diagonal.target([target]) ............................. 143
3.9.5 diagonal.projection([projection]) ............... 143
3.9.6 d3.svg.diagonal.radial() ............................. 144
3.10 轴 ....................................................... 145
3.10.1 d3.svg.axis() ............................................. 145
3.10.2 axis(selection) .......................................... 145
3.10.3 axis.scale([scale]) .................................... 145
3.10.4 axis.orient([orientation]) .......................... 146
3.10.5 axis.ticks([arguments…]) ........................ 147
3.10.6 axis.tickValues([values]) .......................... 147
3.10.7 axis.tickSize([inner, outer]) ..................... 148
3.10.8 axis.innerTickSize([size]) ........................ 148
3.10.9 axis.outerTickSize([size]) ........................ 149
3.10.10 axis.tickPadding([padding]) ................... 149
3.10.11 axis.tickFormat([format]) ...................... 149
3.11 刷子 ................................................... 150
3.11.1 d3.svg.brush() .......................................... 150
3.11.2 brush(selection) ....................................... 151
3.11.3 brush.x([scale]) ........................................ 151
3.11.4 brush.y([scale]) ........................................ 152
3.11.5 brush.extent([values]) .............................. 152
3.11.6 brush.clamp([clamp]) .............................. 152
3.11.7 brush.clear() ............................................. 153
3.11.8 brush.empty()........................................... 153
3.11.9 brush.on(type[, listener]) ......................... 153
第4 章 时间（Time） ...................... 155
4.1 时间格式 ............................................. 155
4.1.1 d3.time.format(specifier) ........................... 155
4.1.2 format(date) ............................................... 157
4.1.3 format.parse(string) ................................... 157
4.1.4 d3.time.format.multi(formats) ................... 157
4.1.5 d3.time.format.utc(specifier) ..................... 158
4.1.6 d3.time.format.iso ...................................... 158
4.2 时间间隔 ............................................. 159
4.2.1 d3.time.interval .......................................... 159
4.2.2 interval(date) ............................................. 160
4.2.3 interval.floor(date) ..................................... 160
4.2.4 interval.round(date) .................................... 160
4.2.5 interval.ceil(date) ....................................... 160
4.2.6 interval.range(start, stop[, step]) ................ 161
4.2.7 interval.offset(date, step) ............................ 162
4.2.8 interval.utc ................................................. 162
4.3 计数 ..................................................... 162
第5 章 布局（Layouts） ................. 164
5.1 捆绑布局 ............................................. 164
5.1.1 d3.layout.bundle() ...................................... 167
5.1.2 bundle(links) .............................................. 167
5.2 弦布局 ................................................. 168
5.2.1 d3.layout.chord() ........................................ 169
5.2.2 chord.matrix([matrix]) ............................... 169
5.2.3 chord.padding([padding]) .......................... 169
5.2.4 chord.sortGroups([comparator]) ................ 170
5.2.5 chord.sortSubgroups([comparator]) ........... 171
5.2.6 chord.sortChords([comparator]) ................. 171
5.2.7 chord.chords() ............................................ 172
5.2.8 chord.groups() ............................................ 173
5.3 簇布局 ................................................. 173
5.3.1 d3.layout.cluster() ...................................... 175
5.3.2 cluster(root) ............................................... 175
5.3.3 cluster.nodes(root) ...................................... 175
5.3.4 cluster.links(nodes) .................................... 176
5.3.5 cluster.children([children]) ......................... 176
5.3.6 cluster.sort([comparator]) ........................... 177
5.3.7 cluster.separation([separation]) .................. 177
5.3.8 cluster.size([size]) ...................................... 178
5.3.9 cluster.nodeSize([nodeSize]) ...................... 179
5.4 力布局 ................................................. 180
5.4.1 d3.layout.force() ........................................ 182
5.4.2 force.size([size]) ........................................ 182
5.4.3 force.linkDistance([distance]) ................... 182
5.4.4 force.linkStrength([strength]) .................... 183
5.4.5 force.friction([friction]) ............................. 184
5.4.6 force.charge([charge]) ............................... 184
5.4.7 force.chargeDistance([distance]) ............... 185
5.4.8 force.theta([theta]) ..................................... 186
5.4.9 force.gravity([gravity]) .............................. 186
5.4.10 force.nodes([nodes]) ................................ 186
5.4.11 force.links([links]) ................................... 187
5.4.12 force.start() .............................................. 188
5.4.13 force.alpha([value]) ................................. 188
5.4.14 force.resume().......................................... 188
5.4.15 force.stop() .............................................. 189
5.4.16 force.tick() ............................................... 189
5.4.17 force.on(type, listener) ............................. 190
5.4.18 force.drag() .............................................. 190
5.5 层次布局 ............................................. 191
5.6 直方图布局 ......................................... 191
5.6.1 d3.layout.histogram() ................................ 193
5.6.2 histogram(values[, index]) ......................... 193
5.6.3 histogram.value([accessor]) ....................... 193
5.6.4 histogram.range([range]) ........................... 194
5.6.5 histogram.bins() ......................................... 195
5.6.6 histogram.bins(count) ................................ 195
5.6.7 histogram.bins(thresholds) ........................ 196
5.6.8 histogram.bins(function) ........................... 197
5.6.9 histogram.frequency([frequency]) ............. 197
5.7 包布局 ................................................. 198
5.7.1 d3.layout.pack() ......................................... 199
5.7.2 pack(root) .................................................. 199
5.7.3 pack.nodes(root) ........................................ 199
5.7.4 pack.links(nodes) ....................................... 199
5.7.5 pack.children([children]) ........................... 200
5.7.6 pack.sort([comparator]) ............................. 201
5.7.7 pack.value([value]) .................................... 202
5.7.8 pack.size([size]) ......................................... 202
5.7.9 pack.radius([radius]) .................................. 203
5.7.10 pack.padding([padding]) .......................... 203
5.8 分区布局 ............................................. 204
5.8.1 d3.layout.partition() ................................... 207
5.8.2 partition(root) ............................................. 207
5.8.3 partition.nodes(root) .................................. 207
5.8.4 partition.links(nodes) ................................. 208
5.8.5 partition.children([children]) ...................... 209
5.8.6 partition.sort([comparator]) ........................ 209
5.8.7 partition.value([value]) .............................. 210
5.8.8 partition.size([size]) ................................... 210
5.9 饼布局 ................................................. 211
5.9.1 d3.layout.pie() ............................................ 212
5.9.2 pie(values[, index]) .................................... 212
5.9.3 pie.value([accessor]) .................................. 213
5.9.4 pie.sort([comparator]) ................................ 214
5.9.5 pie.startAngle([angle]) ............................... 214
5.9.6 pie.endAngle([angle]) ................................ 215
5.10 堆叠布局 ........................................... 216
5.10.1 d3.layout.stack()....................................... 218
5.10.2 stack(layers[, index]) ................................ 218
5.10.3 stack.values([accessor]) ........................... 219
5.10.4 stack.offset([offset]) ................................. 220
5.10.5 stack.order([order]) .................................. 220
5.10.6 stack.y([accessor]) ................................... 222
5.10.7 stack.out([setter]) ..................................... 223
5.11 树布局 ............................................... 223
5.11.1 d3.layout.tree() ......................................... 225
5.11.2 tree(root) .................................................. 225
5.11.3 tree.nodes(root) ........................................ 225
5.11.4 tree.links(nodes) ...................................... 226
5.11.5 tree.children([children]) ........................... 226
5.11.6 tree.separation([separation]) .................... 227
5.11.7 tree.size([size]) ........................................ 227
5.11.8 tree.nodeSize([nodeSize]) ........................ 228
5.11.9 tree.sort([comparator]) ............................. 229
5.12 矩形树布局 ....................................... 230
5.12.1 d3.layout.treemap().................................. 232
5.12.2 treemap(root) ........................................... 232
5.12.3 treemap.nodes(root) ................................. 232
5.12.4 treemap.links(nodes) ............................... 233
5.12.5 treemap.children([children]) .................... 233
5.12.6 treemap.sort([comparator]) ...................... 234
5.12.7 treemap.value([value]) ............................. 235
5.12.8 treemap.size([size]) ................................. 235
5.12.9 treemap.padding([padding]) .................... 235
5.12.10 treemap.round([round]) ......................... 236
5.12.11 treemap.sticky([sticky]) ......................... 236
5.12.12 treemap.mode([mode]) .......................... 238
第6 章 地理（Geo） ....................... 240
6.1 地理路径 ............................................. 240
6.1.1 d3.geo.path() .............................................. 241
6.1.2 path(feature[, index]) ................................. 241
6.1.3 path.projection([projection]) ...................... 242
6.1.4 path.context([context]) .............................. 243
6.1.5 path.centroid(feature) ................................ 244
6.1.6 path.area(feature) ....................................... 245
6.1.7 path.bounds(feature) .................................. 246
6.2 经纬网生成器 ..................................... 246
6.2.1 d3.geo.graticule .......................................... 247
6.2.2 graticule() ................................................... 247
6.2.3 graticule.lines() .......................................... 247
6.2.4 graticule.outline() ....................................... 248
6.2.5 graticule.extent(extent) .............................. 249
6.2.6 graticule.majorExtent(extent)..................... 249
6.2.7 graticule.minorExtent(extent) .................... 250
6.2.8 graticule.step(step) ..................................... 250
6.2.9 graticule.majorStep(step) ........................... 251
6.2.10 graticule.minorStep(step) ......................... 251
6.3 球面数学运算 ..................................... 252
6.3.1 d3.geo.area(feature) ................................... 252
6.3.2 d3.geo.centroid(feature) ............................. 252
6.3.3 d3.geo.bounds(feature) .............................. 252
6.3.4 d3.geo.distance(a, b) .................................. 252
6.3.5 d3.geo.length(feature) ................................ 253
6.3.6 d3.geo.interpolate(a, b) .............................. 253
6.4 标准抽象投影 ..................................... 254
6.4.1 d3.geo.projection(raw) ............................... 254
6.4.2 projection(location) .................................... 254
6.4.3 projection.invert(point) .............................. 254
6.4.4 projection.rotate([rotation]) ........................ 254
6.4.5 projection.center([location]) ...................... 255
6.4.6 projection.translate([point]) ....................... 256
6.4.7 projection.scale([scale]) ............................. 256
6.4.8 projection.clipAngle(angle) ....................... 257
6.4.9 projection.clipExtent(extent) ...................... 258
6.5 标准投影 ............................................. 258
6.5.1 d3.geo.azimuthalEqualArea() .................... 258
6.5.2 d3.geo.azimuthalEquidistant() ................... 259
6.5.3 d3.geo.conicConformal() ........................... 259
6.5.4 conicConformal.parallels([parallels]) ........ 259
6.5.5 d3.geo.conicEqualArea() ........................... 260
6.5.6 conicEqualArea.parallels([parallels]) ........ 261
6.5.7 d3.geo.conicEquidistant() .......................... 261
6.5.8 conicEquidistant.parallels([parallels]) ....... 261
6.5.9 d3.geo.equirectangular() ............................ 262
6.5.10 d3.geo.gnomonic() ................................... 262
6.5.11 d3.geo.mercator() .................................... 263
6.5.12 d3.geo.orthographic() .............................. 264
6.5.13 d3.geo.stereographic() ............................. 264
6.5.14 d3.geo.transverseMercator() .................... 264
6.6 流 ......................................................... 265
6.6.1 d3.geo.stream(object, listener) ................... 265
6.6.2 listener.point(x, y[, z]) ............................... 266
6.6.3 listener.lineStart() ...................................... 266
6.6.4 listener.lineEnd() ....................................... 266
6.6.5 listener.polygonStart() ............................... 266
6.6.6 listener.polygonEnd() ................................ 266
6.6.7 listener.sphere() ......................................... 267
6.6.8 d3.geo.transform(methods) ........................ 267
6.6.9 transform.stream(listener) .......................... 268
6.6.10 d3.geo.clipExtent() .................................. 269
6.6.11 clipExtent.extent([extent]) ....................... 269
第7 章 几何（Geometry） ............. 270
7.1 四叉树 ................................................. 270
7.1.1 d3.geom.quadtree() .................................... 272
7.1.2 quadtree(points) ......................................... 272
7.1.3 root.add(point) ........................................... 273
7.1.4 root.visit(callback) ..................................... 274
7.1.5 quadtree.x([x]) ........................................... 274
7.1.6 quadtree.y([y]) ........................................... 275
7.2 凸包 ..................................................... 275
7.2.1 d3.geom.hull() ............................................ 276
7.2.2 hull(vertices) .............................................. 276
7.2.3 hull.x([x]) ................................................... 276
7.2.4 hull.y([y]) ................................................... 277
7.3 多边形 ................................................. 277
7.3.1 d3.geom.polygon(vertices) ......................... 278
7.3.2 polygon.area() ............................................ 278
7.3.3 polygon.centroid()...................................... 278
7.3.4 polygon.clip(subject) ................................. 278
7.4 泰森多边形 ......................................... 279
7.4.1 d3.geom.voronoi () .................................... 280
7.4.2 voronoi(data).............................................. 280
7.4.3 voronoi.x([x]) ............................................. 280
7.4.4 voronoi.y([y]) ............................................. 281
7.4.5 voronoi.clipExtent([extent]) ....................... 282
7.4.6 voronoi.links(data) ..................................... 283
7.4.7 voronoi.triangles(data) ............................... 284
第8 章 行为（Behaviors） ............. 285
8.1 拖曳 ..................................................... 285
8.1.1 d3.behavior.drag() ..................................... 286
8.1.2 drag.on(type[, listener]) ............................. 286
8.1.3 drag.origin([origin]) .................................. 287
8.2 缩放 ..................................................... 287
8.2.1 d3.behavior.zoom() .................................... 288
8.2.2 zoom(selection) ......................................... 288
8.2.3 zoom.translate([translate]) ......................... 289
8.2.4 zoom.scale([scale]) .................................... 289
8.2.5 zoom.scaleExtent([extent]) ........................ 290
8.2.6 zoom.center([center]) ................................ 290
8.2.7 zoom.size([size]) ....................................... 290
8.2.8 zoom.x([x]) ................................................ 290
8.2.9 zoom.y([y]) ................................................ 290
8.2.10 zoom.on(type, listener) ............................ 291
本书参考资料 ..................................... 291
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