Pipeline Sunburst

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

path {
  stroke: #ffffff;
}

</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.parent ? d : d.children).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