BIO 140/150: Interactive Sunburst

Click on any arc to zoom in. Click on the center circle to zoom out.

A sunburst is similar to a treemap, except it uses a radial layout. The root node of the tree is at the center, with leaves on the circumference. The area (or angle, depending on implementation) of each arc corresponds to its value. Sunburst design by John Stasko. Data courtesy Jeff Heer.

forked from mbostock's block: Zoomable Sunburst

forked from wenzelmk's block: Sunburst Mosquitos

forked from anonymous's block: BIO 140/150: Interactive Sunburst

<!DOCTYPE html>
<meta charset="utf-8">
<style>

path {
  stroke: #fff;
}

</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>

var width = 960,
    height = 700,
    radius = (Math.min(width, height) / 2) - 10;

var formatNumber = d3.format(",d");

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

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

var color = d3.scale.category20c();

var partition = d3.layout.partition()
    .value(function(d) { return d.size; });

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

d3.json("flare.json", function(error, root) {
  if (error) throw error;

svg.selectAll("path")
      .data(partition.nodes(root))
    .enter().append("path")
      .attr("d", arc)
      .style("fill", function(d) { return color((d.children ? d : d.parent).name); })
      .on("click", click)
  	.append("title")
      .text(function(d) { return d.name + "\n" + formatNumber(d.value); });
});

d3.select(self.frameElement).style("height", height + "px");

</script>

https://d3js.org/d3.v3.min.js