Pack layout (with labels).
From D3 in Depth book by Peter Cook.
Last active
August 2, 2017 10:16
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Pack layout (with labels)
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| license: gpl-3.0 | |
| height: 330 | |
| 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.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <head> | |
| <title>Pack layout (with labels)</title> | |
| </head> | |
| <style> | |
| circle { | |
| fill: indianred; | |
| opacity: 0.3; | |
| stroke: white; | |
| } | |
| text { | |
| font-family: "Helvetica Neue", Helvetica, sans-serif; | |
| fill: white; | |
| font-size: 10px; | |
| text-anchor: middle; | |
| } | |
| </style> | |
| <body> | |
| <svg width="320" height="320"> | |
| <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 packLayout = d3.pack() | |
| .size([300, 300]); | |
| var rootNode = d3.hierarchy(data) | |
| rootNode.sum(function(d) { | |
| return d.value; | |
| }); | |
| packLayout(rootNode); | |
| var nodes = d3.select('svg g') | |
| .selectAll('g') | |
| .data(rootNode.descendants()) | |
| .enter() | |
| .append('g') | |
| .attr('transform', function(d) {return 'translate(' + [d.x, d.y] + ')'}) | |
| nodes | |
| .append('circle') | |
| .attr('r', function(d) { return d.r; }) | |
| nodes | |
| .append('text') | |
| .attr('dy', 4) | |
| .text(function(d) { | |
| return d.children === undefined ? d.data.name : ''; | |
| }) | |
| </script> | |
| </body> | |
| </html> |
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