Treemap layout.
From D3 in Depth book by Peter Cook.
Last active
August 2, 2017 10:17
-
-
Save d3indepth/d4f8938a1fd0914b41ea7cb4e2480ca8 to your computer and use it in GitHub Desktop.
Treemap layout
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
| license: gpl-3.0 | |
| height: 240 | |
| 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</title> | |
| </head> | |
| <style> | |
| rect { | |
| fill: cadetblue; | |
| opacity: 0.3; | |
| stroke: white; | |
| } | |
| </style> | |
| <body> | |
| <svg width="420" height="220"> | |
| <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 treemapLayout = d3.treemap() | |
| .size([400, 200]) | |
| .paddingOuter(10); | |
| var root = d3.hierarchy(data) | |
| root.sum(function(d) { | |
| return d.value; | |
| }); | |
| treemapLayout(root); | |
| d3.select('svg g') | |
| .selectAll('rect') | |
| .data(root.descendants()) | |
| .enter() | |
| .append('rect') | |
| .attr('x', function(d) { return d.x0; }) | |
| .attr('y', function(d) { return d.y0; }) | |
| .attr('width', function(d) { return d.x1 - d.x0; }) | |
| .attr('height', function(d) { return d.y1 - d.y0; }) | |
| </script> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment