jacksonhenry3 · July 31, 2012 17:25
diff --git a/index.html b/index.html
 <!DOCTYPE html>
 <html>
  <head>
    <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
    <title>Partition - Sunburst</title>
    <script src="http://d3js.org/d3.v2.js"></script>
    <style type="text/css">

 path {
  stroke: #fff;
  fill-rule: evenodd;
 }

    </style>
  </head>
  <body>
    <div id="chart"></div>
    <script type="text/javascript">

 var width = 960,
    height = 700,
    radius = Math.min(width, height) / 2;

 var x = d3.scale.linear()
    .range([0, 2 * Math.PI]);

 var y = d3.scale.sqrt()
    .range([0, radius]);

 var color = d3.scale.category20c();

 var vis = d3.select("#chart").append("svg")
    .attr("width", width)
    .attr("height", height)
  .append("g")
    .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")");

 var partition = d3.layout.partition()
    .sort(null)
    .size([2 * Math.PI, radius * radius])
    .children(function(d) { return isNaN(d.value) ? d3.entries(d.value) : null; })
    .value(function(d) { return d.size; });
   

 var arc = d3.svg.arc()
    .startAngle(function(d) { return Math.max(0, Math.min(2 * Math.PI, x(d.x))); })
    .endAngle(function(d) { return Math.max(0, Math.min(2 * Math.PI, x(d.x + d.dx))); })
    .innerRadius(function(d) { return Math.max(0, y(d.y)); })
    .outerRadius(function(d) { return Math.max(0, y(d.y + d.dy)+2); });

 d3.json("flare.json", function(json) {

  var g = vis.data(d3.entries(json)).selectAll("g")
      .data(partition)
    .enter().append("svg:g")
      .attr("display", function(d) { return d.depth ? null : "none"; }); // hide inner ring

  g.append("svg:path")
      .attr("d", arc)
      .attr("stroke", "#fff")
      .attr("fill", function(d) { return color((d.children ? d : d.parent).data.key); })
      .attr("fill-rule", "evenodd");
    
  g.append("svg:text")
      .attr("transform", function(d) { return "rotate(" + (d.x + d.dx / 2 - Math.PI / 2) / Math.PI * 180 + ")"; })
      .attr("x", function(d) { return Math.sqrt(d.y); })
      .attr("dx", "6") // margin
      .attr("dy", ".35em") // vertical-align
      .text(function(d) { return d.data.key; });


  var path = vis.data([json]).selectAll("path")
      .data(partition.nodes)
    .enter().append("path")
      .attr("d", arc)
      .style("fill", function(d) { return color((d.children ? d : d.parent).name); })
      .on("click", click);

  function click(d) {
    path.transition()
      .duration(1000)
      .attrTween("d", arcTween(d));
  }
 });

 // Interpolate the scales!
 function arcTween(d) {
  var xd = d3.interpolate(x.domain(), [d.x, d.x + d.dx]),
      yd = d3.interpolate(y.domain(), [d.y, 1]),
      yr = d3.interpolate(y.range(), [d.y ? 20 : 0, radius]);
  return function(d, i) {
    return i
        ? function(t) { return arc(d); }
        : function(t) { x.domain(xd(t)); y.domain(yd(t)).range(yr(t)); return arc(d); };
  };
 }

    </script>
  </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
	<title>Partition - Sunburst</title>
	<script src="http://d3js.org/d3.v2.js"></script>
	<style type="text/css">

	path {
	stroke: #fff;
	fill-rule: evenodd;
	}

	</style>
	</head>
	<body>
	<div id="chart"></div>
	<script type="text/javascript">

	var width = 960,
	height = 700,
	radius = Math.min(width, height) / 2;

	var x = d3.scale.linear()
	.range([0, 2 * Math.PI]);

	var y = d3.scale.sqrt()
	.range([0, radius]);

	var color = d3.scale.category20c();

	var vis = d3.select("#chart").append("svg")
	.attr("width", width)
	.attr("height", height)
	.append("g")
	.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")");

	var partition = d3.layout.partition()
	.sort(null)
	.size([2 * Math.PI, radius * radius])
	.children(function(d) { return isNaN(d.value) ? d3.entries(d.value) : null; })
	.value(function(d) { return d.size; });


	var arc = d3.svg.arc()
	.startAngle(function(d) { return Math.max(0, Math.min(2 * Math.PI, x(d.x))); })
	.endAngle(function(d) { return Math.max(0, Math.min(2 * Math.PI, x(d.x + d.dx))); })
	.innerRadius(function(d) { return Math.max(0, y(d.y)); })
	.outerRadius(function(d) { return Math.max(0, y(d.y + d.dy)+2); });

	d3.json("flare.json", function(json) {

	var g = vis.data(d3.entries(json)).selectAll("g")
	.data(partition)
	.enter().append("svg:g")
	.attr("display", function(d) { return d.depth ? null : "none"; }); // hide inner ring

	g.append("svg:path")
	.attr("d", arc)
	.attr("stroke", "#fff")
	.attr("fill", function(d) { return color((d.children ? d : d.parent).data.key); })
	.attr("fill-rule", "evenodd");

	g.append("svg:text")
	.attr("transform", function(d) { return "rotate(" + (d.x + d.dx / 2 - Math.PI / 2) / Math.PI * 180 + ")"; })
	.attr("x", function(d) { return Math.sqrt(d.y); })
	.attr("dx", "6") // margin
	.attr("dy", ".35em") // vertical-align
	.text(function(d) { return d.data.key; });


	var path = vis.data([json]).selectAll("path")
	.data(partition.nodes)
	.enter().append("path")
	.attr("d", arc)
	.style("fill", function(d) { return color((d.children ? d : d.parent).name); })
	.on("click", click);

	function click(d) {
	path.transition()
	.duration(1000)
	.attrTween("d", arcTween(d));
	}
	});

	// Interpolate the scales!
	function arcTween(d) {
	var xd = d3.interpolate(x.domain(), [d.x, d.x + d.dx]),
	yd = d3.interpolate(y.domain(), [d.y, 1]),
	yr = d3.interpolate(y.range(), [d.y ? 20 : 0, radius]);
	return function(d, i) {
	return i
	? function(t) { return arc(d); }
	: function(t) { x.domain(xd(t)); y.domain(yd(t)).range(yr(t)); return arc(d); };
	};
	}

	</script>
	</body>
	</html>
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