treemapSquarify ratio examples.
From D3 in Depth book by Peter Cook.
Last active
August 2, 2017 10:16
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treemapSquarify ratio examples
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| license: gpl-3.0 | |
| height: 700 | |
| 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>Treemap layout (squarify ratios)</title> | |
| </head> | |
| <style> | |
| #content { | |
| width: 850px; | |
| height: 680px; | |
| } | |
| rect { | |
| fill: darkblue; | |
| opacity: 0.3; | |
| stroke: white; | |
| } | |
| text { | |
| font-family: "Helvetica Neue", Helvetica, sans-serif; | |
| font-size: 12px; | |
| } | |
| g text { | |
| fill: white; | |
| font-size: 10px; | |
| } | |
| </style> | |
| <body> | |
| <div id="content"></div> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.2/d3.min.js"></script> | |
| <script> | |
| var data = { | |
| "name": "1", | |
| "children": [ | |
| { | |
| "name": "1.1", | |
| "children": [ | |
| { | |
| "name": "1.1.1", | |
| "size": 100 | |
| }, | |
| { | |
| "name": "1.1.2", | |
| "size": 300 | |
| }, | |
| { | |
| "name": "1.1.3", | |
| "children": [ | |
| { | |
| "name": '1.1.3.1', | |
| 'size': 200 | |
| }, | |
| { | |
| "name": '1.1.3.2', | |
| 'size': 200 | |
| }, | |
| { | |
| "name": '1.1.3.3', | |
| 'size': 400 | |
| } | |
| ] | |
| } | |
| ] | |
| }, | |
| { | |
| "name": "1.2", | |
| "size": 300 | |
| } | |
| ] | |
| }; | |
| var width = 420, height = 340; | |
| var ratios = [1, 3, 5, 7]; | |
| var treemapLayout = d3.treemap() | |
| .size([400, 300]) | |
| .paddingOuter(16); | |
| var rootNode = d3.hierarchy(data) | |
| rootNode.sum(function(d) { | |
| return d.size; | |
| }); | |
| function enteringTreemap(d) { | |
| treemapLayout.tile(d3.treemapSquarify.ratio(d)) | |
| treemapLayout(rootNode); | |
| d3.select(this) | |
| .append('text') | |
| .text(function(d) {return 'Ratio = ' + d}) | |
| .attr('dy', 14) | |
| var nodes = d3.select(this) | |
| .append('g') | |
| .attr('transform', 'translate(0, 20)') | |
| .selectAll('g') | |
| .data(rootNode.descendants()) | |
| .enter() | |
| .append('g') | |
| .attr('transform', function(d) {return 'translate(' + [d.x0, d.y0] + ')'}) | |
| nodes | |
| .append('rect') | |
| .attr('width', function(d) { return d.x1 - d.x0; }) | |
| .attr('height', function(d) { return d.y1 - d.y0; }) | |
| nodes | |
| .append('text') | |
| .attr('dx', 4) | |
| .attr('dy', 14) | |
| .text(function(d) { | |
| return d.data.name; | |
| }) | |
| } | |
| var treemaps = d3.select('#content') | |
| .selectAll('svg') | |
| .data(ratios) | |
| .enter() | |
| .append('svg') | |
| .attr('width', width + 'px') | |
| .attr('height', height + 'px') | |
| .each(enteringTreemap) | |
| </script> | |
| </body> | |
| </html> |
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