PieBubbles

by Gabriel Z

HTML

<!DOCTYPE html>
<meta charset="utf-8">
<body>
    <!-- Original from From http://bl.ocks.org/d/1747543/ -->
    <!-- Trying to make the nodes clickable and the circles pie charts -->
<script src="http://mbostock.github.com/d3/d3.v2.js"></script>
</body>
</html>

CSS

circle {
  stroke: #fff;
}

JavaScript

var margin = {top: 0, right: 0, bottom: 0, left: 0},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var n = 4,
    m = 4,
    padding = 6,
    radius = d3.scale.sqrt().range([0, 12]),
    color = d3.scale.category10().domain(d3.range(m));

var z = d3.scale.category20c();
/*
var nodes = d3.range(n).map(function() {
  var i = Math.floor(Math.random() * m),
      v = (i + 1) / m * -Math.log(Math.random());
  return {
    radius: radius(v),
    color: color(i),
      name: "Theme " + i
  };
});
*/
var nodes = [
    { name : "Name 1",
      radius: 30,
      color: color(1),
      vals : [11975,  5871, 8916, 2868] },
    { name : "Name 2",
      radius: 30,
      color: color(1),
      vals : [1951, 10048, 2060, 6171]},
    { name : "Name 3",
      radius: 30,
      color: color(2),
      vals : [8010, 16145, 8090, 8045]},
    { name : "Name 4",
      radius: 30,
      color: color(3),
      vals : [1013,   990,  940, 6907]}];

var force = d3.layout.force()
    .nodes(nodes)
    .size([width, height])
    .gravity(.02)
    .charge(0)
    .on("tick", tick)
    .start();

var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
/*
var circle= svg.selectAll("circle")
    .data(nodes)
  .enter().append("circle")
    .attr("r", function(d) { return d.radius; })
    .style("fill", function(d) { return d.color; })
    .call(force.drag);
*/

var bubble = svg.selectAll(".bubble")
      .data(nodes)
    .enter().append("g")
      .attr("class", "bubble")
      .attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; })
    .call(force.drag);

bubble.append("circle")
      .style("fill", function(d) { return d.color; })
      .attr("r", function(d) { return d.radius; });


bubble.selectAll("path")
   ...