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D3V4 Sunburst with labels
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| license: gpl-3.0 | |
| height: 700 |
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> | |
| <meta charset="utf-8"> | |
| <style> | |
| path { | |
| stroke: #fff; | |
| } | |
| </style> | |
| <body> | |
| <script src="//d3js.org/d3.v4.min.js"></script> | |
| <script> | |
| let width = 960, | |
| height = 700, | |
| radius = (Math.min(width, height) / 2) - 10, | |
| node | |
| const svg = d3.select('body') | |
| .append('svg') | |
| .attr('width', width) | |
| .attr('height', height) | |
| .append('g') | |
| .attr('transform', 'translate(' + width / 2 + ',' + (height / 2) + ')') | |
| const x = d3.scaleLinear().range([0, 2 * Math.PI]) | |
| const y = d3.scaleLinear().range([0, radius]) | |
| const colors = d3.scaleOrdinal(d3.schemeCategory20) | |
| const partition = d3.partition() | |
| const arc = d3.arc() | |
| .startAngle(d => Math.max(0, Math.min(2 * Math.PI, x(d.x0)))) | |
| .endAngle(d => Math.max(0, Math.min(2 * Math.PI, x(d.x1)))) | |
| .innerRadius(d => Math.max(0, y(d.y0))) | |
| .outerRadius(d => Math.max(0, y(d.y1))) | |
| d3.json('https://gist.githubusercontent.com/mbostock/4348373/raw/85f18ac90409caa5529b32156aa6e71cf985263f/flare.json', function(error, root){ | |
| if (error) return console.error(error) | |
| const gSlices = svg.selectAll('g').data(partition(d3.hierarchy(root).sum(d => d.size)).descendants(), function (d) { return d.data.id }).enter().append('g') | |
| gSlices.exit().remove() | |
| gSlices.append('path') | |
| .style('fill', function (d) { | |
| if (d.depth === 0) return 'white' | |
| return colors(d.x0) | |
| }) | |
| .on('click', click) | |
| gSlices.append('text') | |
| .attr('dy', '.35em') | |
| .text(function (d) { return d.parent ? d.data.name : '' }) | |
| .attr('id', function (d) { return 'w' + d.data.name }) | |
| .attr('fill', '#fff') | |
| svg.selectAll('path') | |
| .transition('update') | |
| .duration(750).attrTween('d', function (d, i) { | |
| return arcTweenPath(d, i) | |
| }) | |
| svg.selectAll('text') | |
| .transition('update') | |
| .duration(750) | |
| .attrTween('transform', function (d, i) { return arcTweenText(d, i)}) | |
| .attr('text-anchor', function (d) { | |
| return d.textAngle > 180 ? 'start' : 'end' | |
| }) | |
| .attr('dx', function (d) { | |
| return d.textAngle > 180 ? 27: 27 | |
| }) | |
| .attr('opacity', function (e) { | |
| return e.x1 - e.x0 > 0.01 ? 1 : 0 | |
| }) | |
| }) | |
| function arcTweenText(a, i) { | |
| var oi = d3.interpolate({ x0: (a.x0s ? a.x0s : 0), x1: (a.x1s ? a.x1s : 0), y0: (a.y0s ? a.y0s : 0), y1: (a.y1s ? a.y1s : 0) }, a) | |
| function tween(t) { | |
| var b = oi(t) | |
| var ang = ((x((b.x0 + b.x1) / 2) - Math.PI / 2) / Math.PI * 180) | |
| b.textAngle = (ang > 90) ? 180 + ang : ang | |
| a.centroid = arc.centroid(b) | |
| return 'translate(' + arc.centroid(b) + ')rotate(' + b.textAngle + ')' | |
| } | |
| return tween | |
| } | |
| function arcTweenPath(a, i) { | |
| var oi = d3.interpolate({ x0: (a.x0s ? a.x0s : 0), x1: (a.x1s ? a.x1s : 0), y0: (a.y0s ? a.y0s : 0), y1: (a.y1s ? a.y1s : 0) }, a) | |
| function tween(t) { | |
| var b = oi(t) | |
| a.x0s = b.x0 | |
| a.x1s = b.x1 | |
| a.y0s = b.y0 | |
| a.y1s = b.y1 | |
| return arc(b) | |
| } | |
| if (i == 0 && node) { | |
| var xd = d3.interpolate(x.domain(), [node.x0, node.x1]) | |
| var yd = d3.interpolate(y.domain(), [node.y0, 1]) | |
| var yr = d3.interpolate(y.range(), [node.y0 ? 40 : 0, radius]) | |
| return function (t) { | |
| x.domain(xd(t)) | |
| y.domain(yd(t)).range(yr(t)) | |
| return tween(t) | |
| } | |
| } else { | |
| // first build | |
| return tween | |
| } | |
| } | |
| function click(d) { | |
| node = d | |
| const total = d.x1 - d.x0 | |
| svg.selectAll('path') | |
| .transition('click') | |
| .duration(750) | |
| .attrTween('d', function (d, i) { return arcTweenPath(d, i)}) | |
| svg.selectAll('text') | |
| .transition('click') | |
| .attr('opacity', 1) | |
| .duration(750) | |
| .attrTween('transform', function (d, i) { | |
| return arcTweenText(d) | |
| }) | |
| .attr('text-anchor', function (d) { | |
| return d.textAngle > 180 ? 'start' : 'end' | |
| }) | |
| .attr('dx', function (d) { | |
| if(d.data.name.length > 3) { | |
| return d.textAngle > 180 ? -23 : 23 | |
| } | |
| return d.textAngle > 180 ? -13 : 13 | |
| }) | |
| .attr('opacity', function (e) { | |
| // hide & show text | |
| if (e.x0 >= d.x0 && e.x1 <= (d.x1 + 0.0000000000000001)) { | |
| const arcText = d3.select(this.parentNode).select('text') | |
| arcText.attr('visibility', function(d) { | |
| return (d.x1 - d.x0) / total < 0.01 ? 'hidden' : 'visible' | |
| }) | |
| } else { | |
| return 0 | |
| } | |
| }) | |
| } | |
| </script> |
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