forked from mbostock's block: Circle-Packing II
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<meta charset="utf-8">
<style>
text {
font: 10px sans-serif;
text-anchor: middle;
}
.node circle {
fill: #ddd;
}
.node:hover circle {
stroke: #000;
stroke-width: 1.2px;
}
</style>
<svg width="960" height="960"><g transform="translate(1,1)"></g></svg>
<script src="//d3js.org/d3.v4.0.0-alpha.35.min.js"></script>
<script>
var svg = d3.select("svg"),
width = +svg.attr("width"),
height = +svg.attr("height");
var format = d3.format(",d");
var pack = d3.pack()
.size([width - 2, height - 2])
.padding(3);
d3.csv("flare.csv", type, function(error, data) {
if (error) throw error;
var root = d3.hierarchy({children: data})
.sum(function(d) { return d.value; })
.sort(function(a, b) { return b.value - a.value; });
pack(root);
var node = svg.select("g")
.selectAll("g")
.data(root.children)
.enter().append("g")
.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; })
.attr("class", "node");
node.append("circle")
.attr("id", function(d) { return "node-" + d.data.id; })
.attr("r", function(d) { return d.r; });
node.append("clipPath")
.attr("id", function(d) { return "clip-" + d.data.id; })
.append("use")
.attr("xlink:href", function(d) { return "#node-" + d.data.id + ""; });
node.append("text")
.attr("clip-path", function(d) { return "url(#clip-" + d.data.id + ")"; })
.selectAll("tspan")
.data(function(d) { return d.data.id.split(".").pop().split(/(?=[A-Z][^A-Z])/g); })
.enter().append("tspan")
.attr("x", 0)
.attr("y", function(d, i, nodes) { return 13 + (i - nodes.length / 2 - 0.5) * 10; })
.text(function(d) { return d; });
node.append("title")
.text(function(d) { return d.data.id + "\n" + format(d.value); });
});
function type(d) {
return (d.value = +d.value) ? d : null;
}
</script>
https://d3js.org/d3.v4.0.0-alpha.35.min.js