diff -r efd9c589177a -r c0b4a8b5a012 toolkit/javascript/d3/examples/bundle/bundle-radial.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/examples/bundle/bundle-radial.js	Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,50 @@
+var r = 960 / 2,
+    splines = [];
+
+var cluster = d3.layout.cluster()
+    .size([360, r - 120])
+    .sort(null)
+    .value(function(d) { return d.size; });
+
+var bundle = d3.layout.bundle();
+
+var line = d3.svg.line.radial()
+    .interpolate("bundle")
+    .tension(.85)
+    .radius(function(d) { return d.y; })
+    .angle(function(d) { return d.x / 180 * Math.PI; });
+
+var vis = d3.select("#chart").append("svg:svg")
+    .attr("width", r * 2)
+    .attr("height", r * 2)
+  .append("svg:g")
+    .attr("transform", "translate(" + r + "," + r + ")");
+
+d3.json("../data/flare-imports.json", function(classes) {
+  var nodes = cluster.nodes(packages.root(classes)),
+      links = packages.imports(nodes);
+
+  vis.selectAll("path.link")
+      .data(splines = bundle(links))
+    .enter().append("svg:path")
+      .attr("class", "link")
+      .attr("d", line);
+
+  vis.selectAll("g.node")
+      .data(nodes.filter(function(n) { return !n.children; }))
+    .enter().append("svg:g")
+      .attr("class", "node")
+      .attr("transform", function(d) { return "rotate(" + (d.x - 90) + ")translate(" + d.y + ")"; })
+    .append("svg:text")
+      .attr("dx", function(d) { return d.x < 180 ? 8 : -8; })
+      .attr("dy", ".31em")
+      .attr("text-anchor", function(d) { return d.x < 180 ? "start" : "end"; })
+      .attr("transform", function(d) { return d.x < 180 ? null : "rotate(180)"; })
+      .text(function(d) { return d.key; });
+});
+
+d3.select(window).on("mousemove", function() {
+  vis.selectAll("path.link")
+      .data(splines)
+      .attr("d", line.tension(Math.min(1, d3.event.clientX / 960)));
+});