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<!DOCTYPE html> <meta charset="utf-8"> <style> circle { fill-opacity: .1; stroke: #000; } </style> <body> <script src="//d3js.org/d3.v3.min.js"></script> <script> var root = { children: [ { children: [ {value: 42} ] }, {value: 42} ] }; var width = 960, height = 500; var svg = d3.select("body").append("svg") .attr("width", width) .attr("height", height) var pack = d3.layout.pack() .size([width, height]); svg.selectAll("circle") .data(pack.nodes(root)) .enter().append("circle") .attr("cx", function(d) { return d.x; }) .attr("cy", function(d) { return d.y; }) .attr("r", function(d) { return d.r; }); </script>
https://d3js.org/d3.v3.min.js