Transitioning between a sunburst and an icicle chart using Flubber.
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June 22, 2017 00:52
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Sunburst to icicle
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <body> | |
| <svg width="960" height="500"></svg> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://unpkg.com/flubber@0.2.6"></script> | |
| <script> | |
| var width = 960, | |
| height = 500; | |
| var x = d3.scaleLinear() | |
| .range([20 - width / 2, width / 2- 20]); | |
| var y = d3.scaleLinear() | |
| .range([-height / 2 + 20, height / 2 - 20]); | |
| var angle = d3.scaleLinear() | |
| .range([2 * Math.PI, 0]) | |
| .clamp(true); | |
| var radius = d3.scaleSqrt() | |
| .range([0, 225]); | |
| var color = d3.scaleOrdinal(d3.schemeCategory20); | |
| var partition = d3.partition(); | |
| var arc = d3.arc() | |
| .startAngle(d => angle(d.x0)) | |
| .endAngle(d => angle(d.x1)) | |
| .innerRadius(d => radius(d.y0)) | |
| .outerRadius(d => radius(d.y1)); | |
| d3.json("https://gist.githubusercontent.com/mbostock/4348373/raw/85f18ac90409caa5529b32156aa6e71cf985263f/flare.json", function(err, root) { | |
| var hierarchy = d3.hierarchy(root).sum(d => d.size); | |
| var data = partition(hierarchy).descendants().map(function(node) { | |
| return { | |
| color: color((node.children ? node : node.parent).data.name), | |
| interpolator: flubber.toRect( | |
| arc(node), | |
| x(node.x0), | |
| y(node.y0), | |
| x(node.x1) - x(node.x0), | |
| y(node.y1) - y(node.y0), | |
| { maxSegmentLength: 2 } | |
| ) | |
| }; | |
| }); | |
| d3.select("svg").append("g") | |
| .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")") | |
| .selectAll("path") | |
| .data(data) | |
| .enter() | |
| .append("path") | |
| .attr("stroke", "#fff") | |
| .attr("fill", d => d.color) | |
| .call(animate); | |
| }); | |
| function animate(sel, datum) { | |
| sel.transition() | |
| .duration(2000) | |
| .attrTween("d", d => d.interpolator) | |
| .transition() | |
| .duration(2000) | |
| .attrTween("d", d => t => d.interpolator(1 - t)) | |
| .on("end", (d, i) => i || sel.call(animate)); | |
| } | |
| </script> |
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