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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title></title> | |
| <style> | |
| .underlay { | |
| fill: #ababab; | |
| } | |
| .line { | |
| fill: #747e80; | |
| } | |
| svg { | |
| background-color: #e8e8e8; | |
| font-family: Helvetica; | |
| text-transform: capitalize; | |
| fill: #747e80; | |
| } | |
| text { | |
| font-size: 0.8em; | |
| } | |
| .bar.bar-1 { | |
| fill: #453a82; | |
| } | |
| .bar.bar-2 { | |
| fill: #dc286d; | |
| } | |
| .bar.bar-3 { | |
| fill: #0686c2; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| // http://bl.ocks.org/mbostock/2368837 | |
| // http://bost.ocks.org/mike/nest/ | |
| // Generate random data | |
| var numberOfGraphs = 6; | |
| function random(n) { | |
| n = n || 100; | |
| return Math.floor(Math.random() * n); | |
| } | |
| var dataset = [] | |
| for (var i = 0; i < numberOfGraphs; i += 1) { | |
| dataset.push({ | |
| key: 'group ' + i, | |
| value: { | |
| 1: (random(2) === 0) ? -random() : random(), | |
| 2: (random(2) === 0) ? -random() : random(), | |
| 3: (random(2) === 0) ? -random() : random(), | |
| } | |
| }) | |
| } | |
| dataset.forEach(function (d) { d.value = d3.entries(d.value); }); | |
| var data = dataset; | |
| var margin = {top: 25, right: 25, bottom: 20, left: 20}, | |
| width = (numberOfGraphs * 120) + 10 - margin.left - margin.right, | |
| height = 270 - margin.top - margin.bottom; | |
| var svg = d3.select('body').append('svg') | |
| .attr('width', width + margin.left + margin.right) | |
| .attr('height', height + margin.top + margin.bottom) | |
| .append('g') | |
| .attr('transform', 'translate(' + margin.left + ', ' + margin.top + ')') | |
| var padding = 2, | |
| barWidth = 30; | |
| domain = d3.extent(d3.merge(data.map(function (d) { | |
| return d.value.map(function (e) { return e.value; }); | |
| }))); | |
| var y = d3.scale.linear() | |
| .domain(domain).nice() | |
| .range([height, 0]) | |
| var group = svg.selectAll('.group') | |
| .data(data) | |
| .enter() | |
| .append('g') | |
| .attr('class', 'group') | |
| .attr('transform', function (d, i) { return 'translate(' + i * 120 + ', 0)'; }) | |
| group.append('g') | |
| .attr('class', 'title') | |
| .append('text') | |
| .attr('dx', '2em') | |
| .text(function (d) { return d.key; }) | |
| var bars = group.append('g') | |
| .attr('class', 'bars') | |
| .attr('transform', 'translate(0, 10)') | |
| var bar = bars.selectAll('g.bar') | |
| .data(function (d) { return d.value; }) | |
| .enter() | |
| .append('g') | |
| .attr('class', function (d) { return 'bar bar-' + d.key; }) | |
| bar.append('rect') | |
| .attr('class', 'underlay') | |
| .attr('x', 0) | |
| .attr('width', barWidth) | |
| .attr('height', height) | |
| .attr('transform', function (d, i) { | |
| return 'translate(' + ((i * barWidth) + (i * padding)) + ', 0)'; | |
| }) | |
| bar.append('rect') | |
| .attr('class', function (d) { return 'bar ' + (d.value < 0 ? 'negative' : 'positive'); }) | |
| .attr('x', 0) | |
| .attr('y', y(0)) | |
| .attr('width', barWidth) | |
| .attr('height', 0) | |
| .attr('transform', function (d, i) { | |
| return 'translate(' + ((i * barWidth) + (i * padding)) + ', 0)'; | |
| }) | |
| .transition() | |
| .delay(250) | |
| .duration(800) | |
| .attr('height', function (d) { return Math.abs(y(d.value) - y(0)); }) | |
| .attr('y', function (d) { return y(Math.max(0, d.value)); }) | |
| .ease('elastic') | |
| svg.append('rect') | |
| .attr('class', 'line') | |
| .attr('x', -6) | |
| .attr('height', 4) | |
| .attr('y', y(1) + 10) | |
| .attr('width', width + 22) | |
| </script> | |
| </body> | |
| </html> |
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