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| 1 | +<!DOCTYPE html> |
| 2 | +<html lang="en"> |
| 3 | + <head> |
| 4 | + <title>dc.js - Stacked Bar Example</title> |
| 5 | + <meta charset="UTF-8"> |
| 6 | + <link rel="stylesheet" type="text/css" href="../css/bootstrap.min.css"> |
| 7 | + <link rel="stylesheet" type="text/css" href="../css/dc.css"/> |
| 8 | + <style> |
| 9 | + .dc-chart g.chart-body { |
| 10 | + clip-path: none; |
| 11 | + } |
| 12 | + .dc-chart rect.stack-deselected { |
| 13 | + opacity: 0.2; |
| 14 | + } |
| 15 | + </style> |
| 16 | + </head> |
| 17 | +<body> |
| 18 | + |
| 19 | +<div class="container"> |
| 20 | +<script type="text/javascript" src="header.js"></script> |
| 21 | + <div id="test"> |
| 22 | + <div class="reset" style="visibility: hidden;">selected: <span class="filter"></span> |
| 23 | + <a href="javascript:chart.filterAll();dc.redrawAll();">reset</a> |
| 24 | + </div> |
| 25 | + </div> |
| 26 | + <div id="pie"> |
| 27 | + <div class="reset" style="visibility: hidden;">range: <span class="filter"></span> |
| 28 | + <a href="javascript:pie.filterAll();dc.redrawAll();">reset</a> |
| 29 | + </div> |
| 30 | + </div> |
| 31 | + |
| 32 | + <script type="text/javascript" src="../js/d3.js"></script> |
| 33 | + <script type="text/javascript" src="../js/crossfilter.js"></script> |
| 34 | + <script type="text/javascript" src="../js/dc.js"></script> |
| 35 | + <script type="text/javascript"> |
| 36 | + |
| 37 | + var chart = dc.barChart("#test"), |
| 38 | + pie = dc.pieChart('#pie'); |
| 39 | + d3.csv("morley.csv", function(error, experiments) { |
| 40 | + |
| 41 | + experiments.forEach(function(x) { |
| 42 | + x.Speed = +x.Speed; |
| 43 | + }); |
| 44 | + |
| 45 | + // the way to combine multiple keys into one is domain-specific (and controversial) |
| 46 | + // array keys are risky but also valid sometimes, that would be |
| 47 | + // function multikey(x,y) { |
| 48 | + // return [x,y]; |
| 49 | + // } |
| 50 | + // function splitkey(k) { |
| 51 | + // return k; |
| 52 | + // } |
| 53 | + function multikey(x,y) { |
| 54 | + return x + 'x' + y; |
| 55 | + } |
| 56 | + function splitkey(k) { |
| 57 | + return k.split('x'); |
| 58 | + } |
| 59 | + function stack_second(group) { |
| 60 | + return { |
| 61 | + all: function() { |
| 62 | + var all = group.all(), |
| 63 | + m = {}; |
| 64 | + // build matrix from multikey/value pairs |
| 65 | + all.forEach(function(kv) { |
| 66 | + var ks = splitkey(kv.key); |
| 67 | + m[ks[0]] = m[ks[0]] || {}; |
| 68 | + m[ks[0]][ks[1]] = kv.value; |
| 69 | + }); |
| 70 | + // then produce multivalue key/value pairs |
| 71 | + return Object.keys(m).map(function(k) { |
| 72 | + return {key: k, value: m[k]}; |
| 73 | + }); |
| 74 | + } |
| 75 | + }; |
| 76 | + } |
| 77 | + |
| 78 | + var ndx = crossfilter(experiments), |
| 79 | + runExptDim = ndx.dimension(function(d) { return multikey(d.Run, d.Expt); }), |
| 80 | + runExptGroup = runExptDim.group().reduceSum(function(d) { |
| 81 | + return d.Speed; |
| 82 | + }), |
| 83 | + stackedGroup = stack_second(runExptGroup); |
| 84 | + var quantizeSpeed = d3.scale.quantize().domain(d3.extent(experiments, function(d) { |
| 85 | + return d.Speed; |
| 86 | + })).range(['lowest', 'low', 'medium', 'high', 'highest']); |
| 87 | + var quantizeSpeedDim = ndx.dimension(function(d) { |
| 88 | + return quantizeSpeed(d.Speed); |
| 89 | + }), quantizeSpeedGroup = quantizeSpeedDim.group(); |
| 90 | + |
| 91 | + function set_filterer(dim) { |
| 92 | + var set = d3.set(); |
| 93 | + function inkey(d) { |
| 94 | + return multikey(d.x, d.layer); |
| 95 | + } |
| 96 | + return { |
| 97 | + toggle: function(d) { |
| 98 | + var key = inkey(d); |
| 99 | + if(set.has(key)) |
| 100 | + set.remove(key); |
| 101 | + else |
| 102 | + set.add(key); |
| 103 | + if(set.empty()) |
| 104 | + dim.filter(null); |
| 105 | + else |
| 106 | + dim.filterFunction(function(k) { |
| 107 | + return set.has(k); |
| 108 | + }); |
| 109 | + }, |
| 110 | + has: function(d) { |
| 111 | + return set.has(inkey(d)); |
| 112 | + }, |
| 113 | + empty: function() { |
| 114 | + return set.empty(); |
| 115 | + } |
| 116 | + }; |
| 117 | + } |
| 118 | + var stack_filter = set_filterer(runExptDim); |
| 119 | + |
| 120 | + function sel_stack(i) { |
| 121 | + return function(d) { |
| 122 | + return d.value[i]; |
| 123 | + }; |
| 124 | + } |
| 125 | + |
| 126 | + chart |
| 127 | + .width(600) |
| 128 | + .height(400) |
| 129 | + .controlsUseVisibility(true) |
| 130 | + .x(d3.scale.linear().domain([1,21])) |
| 131 | + .margins({left: 80, top: 20, right: 10, bottom: 20}) |
| 132 | + .brushOn(false) |
| 133 | + .clipPadding(10) |
| 134 | + .title(function(d) { |
| 135 | + return d.key + '[' + this.layer + ']: ' + d.value[this.layer]; |
| 136 | + }) |
| 137 | + .dimension(runExptDim) |
| 138 | + .group(stackedGroup, "1", sel_stack('1')) |
| 139 | + .renderLabel(true); |
| 140 | + |
| 141 | + for(var i = 2; i<6; ++i) |
| 142 | + chart.stack(stackedGroup, ''+i, sel_stack(i)); |
| 143 | + |
| 144 | + chart.on('pretransition', function(chart) { |
| 145 | + chart.selectAll('rect.bar') |
| 146 | + .classed('stack-deselected', function(d) { |
| 147 | + return !stack_filter.empty() && !stack_filter.has(d); |
| 148 | + }) |
| 149 | + .on('click', function(d) { |
| 150 | + stack_filter.toggle(d); |
| 151 | + if(stack_filter.empty()) |
| 152 | + chart.turnOffControls(); |
| 153 | + else |
| 154 | + chart.turnOnControls(); |
| 155 | + dc.redrawAll(); |
| 156 | + }); |
| 157 | + }); |
| 158 | + |
| 159 | + pie |
| 160 | + .width(300) |
| 161 | + .height(300) |
| 162 | + .controlsUseVisibility(true) |
| 163 | + .dimension(quantizeSpeedDim) |
| 164 | + .group(quantizeSpeedGroup); |
| 165 | + |
| 166 | + dc.renderAll(); |
| 167 | + }); |
| 168 | + |
| 169 | + </script> |
| 170 | + |
| 171 | +</div> |
| 172 | + </body> |
| 173 | +</html> |
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