Created
November 10, 2017 19:52
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Creating a cluster dendrogram, d3.js version 4
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| </head> | |
| <body> | |
| <script src="http://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://d3js.org/d3-selection-multi.v1.min.js"></script> | |
| <script> | |
| var url = 'https://gist.githubusercontent.com/d3byex/25129228aa50c30ef01f/raw/2f8664d0eb75ef606f412f9647116954ff0af41d/radial.json'; //url='https://gist.githubusercontent.com/d3byex/25129228aa50c30ef01f/raw/ddc1d7cf560f8fff84dd9005e5bdbdd43b39a91f/flare.json'; | |
| d3.json(url, function(error, data) { | |
| var width = 500, | |
| height = 500, | |
| nodeRadius = 4.5; | |
| var svg = d3.select('body') | |
| .append('svg') | |
| .attrs({ | |
| width: width, | |
| height: height | |
| }); | |
| var radius = width / 2; | |
| var mainGroup = svg.append('g') | |
| .attr("transform", "translate(" + radius + "," + radius + ")"); | |
| var cluster = d3.cluster() | |
| .size([360, radius - 50]); | |
| // assigns the data to a hierarchy using parent-child relationships | |
| var root = d3.hierarchy(data, function(d) { | |
| return d.children; | |
| }); | |
| cluster(root); | |
| var linksGenerator = d3.linkRadial() | |
| .angle(function(d) { return d.x / 180 * Math.PI; }) | |
| .radius(function(d) { return d.y; }); | |
| mainGroup.selectAll('path') | |
| .data(root.links()) | |
| .enter() | |
| .append('path') | |
| .attrs({ | |
| d: linksGenerator, | |
| fill: 'none', | |
| stroke: '#ccc', | |
| }); | |
| var nodeGroups = mainGroup.selectAll("g") | |
| .data(root.descendants()) | |
| .enter() | |
| .append("g") | |
| .attr("transform", function(d) { | |
| return "rotate(" + (d.x - 90) + ")translate(" + d.y + ")"; | |
| }); | |
| nodeGroups.append("circle") | |
| .attrs({ | |
| r: nodeRadius, | |
| fill: '#fff', | |
| stroke: 'steelblue', | |
| 'stroke-width': 3 | |
| }); | |
| nodeGroups.append("text") | |
| .attrs({ | |
| dy: ".31em", | |
| 'text-anchor': function(d) { | |
| return d.x < 180 ? "start" : "end"; | |
| }, | |
| 'transform': function(d) { | |
| return d.x < 180 ? "translate(8)" : "rotate(180)translate(-8)"; | |
| } | |
| }) | |
| .style('font', '12px sans-serif') | |
| .text(function(d) { return d.data.name; }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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