Sunburst in D3 v4.
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May 30, 2017 17:04
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| license: mit | |
| border: no |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <style> | |
| body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
| </style> | |
| </head> | |
| <body> | |
| <svg></svg> | |
| <script> | |
| var nodeData = { | |
| "name": "TOPICS", "children": [{ | |
| "name": "Topic A", | |
| "children": [{"name": "Sub A1", "size": 4}, {"name": "Sub A2", "size": 4}] | |
| }, { | |
| "name": "Topic B", | |
| "children": [{"name": "Sub B1", "size": 3}, {"name": "Sub B2", "size": 3}, { | |
| "name": "Sub B3", "size": 3}] | |
| }, { | |
| "name": "Topic C", | |
| "children": [{"name": "Sub A1", "size": 4}, {"name": "Sub A2", "size": 4}] | |
| }] | |
| }; | |
| // Variables | |
| var width = 500; | |
| var height = 500; | |
| var radius = Math.min(width, height) / 2; | |
| var color = d3.scaleOrdinal(d3.schemeCategory20b); | |
| // Create primary <g> element | |
| var g = d3.select('svg') | |
| .attr('width', width) | |
| .attr('height', height) | |
| .append('g') | |
| .attr('transform', 'translate(' + width / 2 + ',' + height / 2 + ')'); | |
| // Data strucure | |
| var partition = d3.partition() | |
| .size([2 * Math.PI, radius]); | |
| // Find data root | |
| var root = d3.hierarchy(nodeData) | |
| .sum(function (d) { return d.size}); | |
| // Size arcs | |
| partition(root); | |
| var arc = d3.arc() | |
| .startAngle(function (d) { return d.x0 }) | |
| .endAngle(function (d) { return d.x1 }) | |
| .innerRadius(function (d) { return d.y0 }) | |
| .outerRadius(function (d) { return d.y1 }); | |
| // Put it all together | |
| g.selectAll('path') | |
| .data(root.descendants()) | |
| .enter().append('path') | |
| .attr("display", function (d) { return d.depth ? null : "none"; }) | |
| .attr("d", arc) | |
| .style('stroke', '#fff') | |
| .style("fill", function (d) { return color((d.children ? d : d.parent).data.name); }); | |
| </script> | |
| </body> |
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