Cluster layout.
From D3 in Depth book by Peter Cook.
Last active
June 3, 2020 20:31
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Cluster layout
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| license: gpl-3.0 | |
| height: 240 | |
| 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> | |
| <meta charset="utf-8"> | |
| <head> | |
| <title>Cluster layout</title> | |
| </head> | |
| <style> | |
| .node { | |
| fill: steelblue; | |
| stroke: none; | |
| } | |
| .link { | |
| fill: none; | |
| stroke: #ccc; | |
| stroke-width: 1px; | |
| } | |
| </style> | |
| <body> | |
| <svg width="400" height="220"> | |
| <g transform="translate(5, 5)"> | |
| <g class="links"></g> | |
| <g class="nodes"></g> | |
| </g> | |
| </svg> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.2/d3.min.js"></script> | |
| <script> | |
| var data = { | |
| "name": "A1", | |
| "children": [ | |
| { | |
| "name": "B1", | |
| "children": [ | |
| { | |
| "name": "C1", | |
| "value": 100 | |
| }, | |
| { | |
| "name": "C2", | |
| "value": 300 | |
| }, | |
| { | |
| "name": "C3", | |
| "value": 200 | |
| } | |
| ] | |
| }, | |
| { | |
| "name": "B2", | |
| "value": 200 | |
| } | |
| ] | |
| } | |
| var clusterLayout = d3.cluster() | |
| .size([400, 200]) | |
| var root = d3.hierarchy(data) | |
| clusterLayout(root) | |
| // Nodes | |
| d3.select('svg g.nodes') | |
| .selectAll('circle.node') | |
| .data(root.descendants()) | |
| .enter() | |
| .append('circle') | |
| .classed('node', true) | |
| .attr('cx', function(d) {return d.x;}) | |
| .attr('cy', function(d) {return d.y;}) | |
| .attr('r', 4); | |
| // Links | |
| d3.select('svg g.links') | |
| .selectAll('line.link') | |
| .data(root.links()) | |
| .enter() | |
| .append('line') | |
| .classed('link', true) | |
| .attr('x1', function(d) {return d.source.x;}) | |
| .attr('y1', function(d) {return d.source.y;}) | |
| .attr('x2', function(d) {return d.target.x;}) | |
| .attr('y2', function(d) {return d.target.y;}); | |
| </script> | |
| </body> | |
| </html> |
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