Treemap tiling options.
From D3 in Depth book by Peter Cook.
Last active
August 2, 2017 10:17
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Treemap tiling options
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| license: gpl-3.0 | |
| height: 1040 | |
| border: no |
This file contains hidden or 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 (tilings)</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 layouts = ['treemapBinary', 'treemapDice', 'treemapSlice', 'treemapSliceDice', 'treemapSquarify']; | |
| 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[d]) | |
| treemapLayout(rootNode); | |
| d3.select(this) | |
| .append('text') | |
| .text(function(d) {return 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(layouts) | |
| .enter() | |
| .append('svg') | |
| .attr('width', width + 'px') | |
| .attr('height', height + 'px') | |
| .each(enteringTreemap) | |
| </script> | |
| </body> | |
| </html> |
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