Created
May 22, 2012 15:14
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Super simple bar chart with D3.
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| <html> | |
| <head> | |
| <title>D3</title> | |
| <link type="text/css" rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css"> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.15/jquery-ui.min.js"></script> | |
| <script type="text/javascript" charset="utf-8" src="d3.v2.js"></script> | |
| <script type="text/javascript" charset="utf-8" src="d3.layout.min.js"></script> | |
| <style type="text/css" media="screen"> | |
| body { | |
| margin: 0; | |
| padding: 0; | |
| text-align: center; | |
| font-size: 12px; | |
| font-family: Helvetica | |
| } | |
| #content { | |
| display: inline-block; | |
| } | |
| #chart { | |
| /* margin: 10px;*/ | |
| /* border: 1px solid #DDD;*/ | |
| } | |
| line { stroke: #777; } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="content"> | |
| <div id="chart"></div> | |
| </div> | |
| <script type="text/javascript" charset="utf-8"> | |
| var data = [{"x": 1326298868, "value": 20}, | |
| {"x": 1326385268, "value": 81}, | |
| {"x": 1326471668, "value": 66}, | |
| {"x": 1326558068, "value": 33}, | |
| {"x": 1326644468, "value": 67}, | |
| {"x": 1326730868, "value": 51}, | |
| {"x": 1326817268, "value": 87}, | |
| {"x": 1326903668, "value": 22}] | |
| var width = 960, height = 500, barWidth = width/data.length; | |
| if(barWidth > 10) { | |
| barWidth = barWidth - 10; | |
| } | |
| var domain = { | |
| x: [d3.min(data, function(d) { return d.x }), d3.max(data, function(d) { return d.x })], | |
| y: [0, d3.max(data, function(d) { return d.value }) + 10] | |
| } | |
| var x = d3.scale.linear().domain(domain.x).range([0, this.width - barWidth]); | |
| var y = d3.scale.linear().domain(domain.y).range([0, this.height]); | |
| var chart = d3.select("#chart").append("svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .attr("fill", function(d, i) { return 'steelblue'; }) | |
| var plot = chart.append("g") | |
| var xaxis = chart.append("g") | |
| plot.selectAll("rect") | |
| .data(data) | |
| .enter().append("rect") | |
| .attr("x", function(d, i) { return x(d.x) }) | |
| .attr("y", function(d) { return height - y(d.value) - 10 }) | |
| .attr("width", barWidth) | |
| .attr("height", function(d) { return y(d.value) }) | |
| if(barWidth > 20) { | |
| plot.selectAll("text") | |
| .data(data) | |
| .enter().append("text") | |
| .attr("y", 485) | |
| .attr("x", function(d, i) { return x(d.x)}) | |
| .attr("dx", barWidth / 2) | |
| .attr("text-anchor", "middle") | |
| .style("fill", "#fff") | |
| .text(function(d) { return d.value; }) | |
| } | |
| xaxis.append("line") | |
| .attr("x2", 960).attr("y1", 500).attr("y2", 500) | |
| </script> | |
| </body> | |
| </html> |
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