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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta http-equiv="Content-type" content="text/html; charset=utf-8"> | |
| <title>Testing Pie Chart</title> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.js?1.29.1"></script> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.geom.js?1.29.1"></script> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.layout.js?1.29.1"></script> | |
| <style type="text/css"> | |
| text { | |
| font-size: 12pt; | |
| font-family: Arial; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script type="text/javascript"> | |
| var w = 300, | |
| h = 300, | |
| r = 100, | |
| color = d3.scale.category20c(); | |
| data = [{"label":"one", "value":20}, {"label":"two", "value":50}, {"label":"three", "value":30}] | |
| var vis = d3.select("body") | |
| .append("svg:svg") | |
| .data([data]) | |
| .attr("width", w) | |
| .attr("height", h) | |
| .append("svg:g") | |
| .attr("transform", "translate(" + r + "," + r + ")") | |
| var arc = d3.svg.arc() | |
| .outerRadius(r); | |
| var pie = d3.layout.pie() | |
| .value(function(d) { return d.value; }); | |
| var arcs = vis.selectAll("g.slice") | |
| .data(pie) | |
| .enter() | |
| .append("svg:g") | |
| .attr("class", "slice"); | |
| arcs.append("svg:path") | |
| .attr("fill", function(d, i) { return color(i); } ) | |
| .attr("d", arc); | |
| arcs.append("svg:text") | |
| .attr("transform", function(d) { | |
| //we have to make sure to set these before calling arc.centroid | |
| d.innerRadius = 0; | |
| d.outerRadius = r; | |
| return "translate(" + arc.centroid(d) + ")"; | |
| }) | |
| .attr("text-anchor", "middle") | |
| .text(function(d, i) { return data[i].label; }); | |
| </script> | |
| </body> | |
| </html> |
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