Radial area generator.
From D3 in Depth book by Peter Cook.
Last active
August 2, 2017 11:23
-
-
Save d3indepth/7bb7f2e389d0bf2ff1a622c4c7833a80 to your computer and use it in GitHub Desktop.
Radial area generator
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: 210 | |
| 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>Radial area generator</title> | |
| </head> | |
| <style> | |
| path { | |
| fill: #ddd; | |
| } | |
| </style> | |
| <body> | |
| <svg width="700" height="200"> | |
| <g transform="translate(100,100)"></g> | |
| </svg> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.2/d3.min.js"></script> | |
| <script> | |
| var radialAreaGenerator = d3.radialArea() | |
| .angle(function(d) { | |
| return d.angle; | |
| }) | |
| .innerRadius(function(d) { | |
| return d.r0; | |
| }) | |
| .outerRadius(function(d) { | |
| return d.r1; | |
| }); | |
| var points = [ | |
| {angle: 0, r0: 20, r1: 80}, | |
| {angle: Math.PI * 0.25, r0: 20, r1: 40}, | |
| {angle: Math.PI * 0.5, r0: 20, r1: 80}, | |
| {angle: Math.PI * 0.75, r0: 20, r1: 40}, | |
| {angle: Math.PI, r0: 20, r1: 80}, | |
| {angle: Math.PI * 1.25, r0: 20, r1: 40}, | |
| {angle: Math.PI * 1.5, r0: 20, r1: 80}, | |
| {angle: Math.PI * 1.75, r0: 20, r1: 40}, | |
| {angle: Math.PI * 2, r0: 20, r1: 80} | |
| ]; | |
| var pathData = radialAreaGenerator(points); | |
| // Create a path element and set its d attribute | |
| d3.select('g') | |
| .append('path') | |
| .attr('d', pathData); | |
| </script> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment