Created
June 7, 2014 13:10
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| #test{ | |
| outline: 1px solid red; | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <meta charset="utf-8"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <svg id="test"> | |
| </body> | |
| </html> |
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| var _data = [ | |
| {value:10}, | |
| {value:50}, | |
| {value:100}, | |
| {value:20}, | |
| {value:30} | |
| ]; | |
| var parent = d3.select('#test'); | |
| parent | |
| .attr({ | |
| width: 400, | |
| height: 400 | |
| }); | |
| parent | |
| .append('circle') | |
| .attr({ | |
| cx: 200, | |
| cy: 200, | |
| r: 150, | |
| stroke:'steelblue', | |
| 'stroke-width':2, | |
| fill:'none' | |
| }); | |
| var maxValue = d3.max(_data,function(d){ | |
| return +d.value; | |
| }); | |
| var minValue = d3.min(_data,function(d){ | |
| return +d.value; | |
| }); | |
| var sizeScale = d3 | |
| .scale | |
| .linear() | |
| .domain([minValue,maxValue]).range([10,40]); | |
| var circularScale = d3.scale.linear().domain([0,_data.length]).range([0,2*Math.PI]); | |
| parent | |
| .append('g') | |
| .attr('class','data') | |
| .selectAll('circle') | |
| .data(_data) | |
| .enter() | |
| .append('circle') | |
| .attr({ | |
| cx: function(d,i){ | |
| return 200+ 150 * Math.cos(circularScale(i)); | |
| }, | |
| cy: function(d,i){ | |
| return 200+ 150 * Math.sin(circularScale(i)); | |
| }, | |
| r: function(d,i){ | |
| return sizeScale(d.value); | |
| }, | |
| stroke:'none', | |
| fill:'steelblue' | |
| }); |
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