Thanks to Serhii Pahuta and Mike Bostock's Zoomable Sunburst
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Zoomable Sunburst on d3.js v4
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| { | |
| "name": "port", | |
| "children": [ | |
| { | |
| "name":"fixed", | |
| "children": [ | |
| {"name":"cash","size":5}, | |
| {"name":"prefs","size":17}, | |
| { | |
| "name":"bonds", | |
| "children":[ | |
| {"name":"corp","size":12}, | |
| {"name":"govt","size":6} | |
| ] | |
| } | |
| ] | |
| }, | |
| { | |
| "name":"eq", | |
| "children":[ | |
| {"name":"etf","size":55.2}, | |
| {"name":"reit","size":4.8} | |
| ] | |
| } | |
| ] | |
| } |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| path { | |
| stroke: #fff; | |
| } | |
| </style> | |
| <body> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 700, | |
| radius = (Math.min(width, height) / 2) - 10; | |
| var formatNumber = d3.format(",d"); | |
| var x = d3.scaleLinear() | |
| .range([0, 2 * Math.PI]); | |
| var y = d3.scaleSqrt() | |
| .range([0, radius]); | |
| var color = d3.scaleOrdinal(d3.schemeCategory20c); | |
| var partition = d3.partition(); | |
| var arc = d3.arc() | |
| .startAngle(function(d) { return Math.max(0, Math.min(2 * Math.PI, x(d.x0))); }) | |
| .endAngle(function(d) { return Math.max(0, Math.min(2 * Math.PI, x(d.x1))); }) | |
| .innerRadius(function(d) { return Math.max(0, y(d.y0)); }) | |
| .outerRadius(function(d) { return Math.max(0, y(d.y1)); }); | |
| 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; | |
| root = d3.hierarchy(root); | |
| root.sum(function(d) { return d.size; }); | |
| svg.selectAll("path") | |
| .data(partition(root).descendants()) | |
| .enter().append("path") | |
| .attr("d", arc) | |
| .style("fill", function(d) { return color((d.children ? d : d.parent).data.name); }) | |
| .on("click", click) | |
| .append("title") | |
| .text(function(d) { return d.data.name + "\n" + formatNumber(d.value); }); | |
| }); | |
| function click(d) { | |
| svg.transition() | |
| .duration(750) | |
| .tween("scale", function() { | |
| var xd = d3.interpolate(x.domain(), [d.x0, d.x1]), | |
| yd = d3.interpolate(y.domain(), [d.y0, 1]), | |
| yr = d3.interpolate(y.range(), [d.y0 ? 20 : 0, radius]); | |
| return function(t) { x.domain(xd(t)); y.domain(yd(t)).range(yr(t)); }; | |
| }) | |
| .selectAll("path") | |
| .attrTween("d", function(d) { return function() { return arc(d); }; }); | |
| } | |
| d3.select(self.frameElement).style("height", height + "px"); | |
| </script> |
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