Create a rainbow with a Gaussian blur SVG filter effect.
Last active
March 11, 2018 19:43
-
-
Save pvernier/8a3383491276b1316351bded26d8d185 to your computer and use it in GitHub Desktop.
Rainbow
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
| license: gpl-3.0 | |
| height: 250 |
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> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <style type="text/css"> | |
| svg { | |
| width: 500px; | |
| height: 250px; | |
| } | |
| path { | |
| opacity: 0.6; | |
| } | |
| .violet { | |
| fill: #9900FF; | |
| } | |
| .indigo { | |
| fill: #4400FF; | |
| } | |
| .blue { | |
| fill: #0099FF; | |
| } | |
| .green { | |
| fill: #00FF00; | |
| } | |
| .yellow { | |
| fill: #FFEE00; | |
| } | |
| .orange { | |
| fill: #FF6600; | |
| } | |
| .red { | |
| fill: #FF0000; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <svg> | |
| <filter id="f1" x="-10%" y="-10%"> | |
| <feGaussianBlur in="SourceGraphic" stdDeviation="4" /> | |
| </filter> | |
| <g transform="translate(250, 250)"></g> | |
| </svg> | |
| </body> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script type="text/javascript"> | |
| var arcGenerator = d3.arc(); | |
| arcGenerator | |
| .startAngle(-0.5 * Math.PI) | |
| .endAngle(0.5 * Math.PI); | |
| var violet = arcGenerator({ | |
| innerRadius: 180, | |
| outerRadius: 190 | |
| }); | |
| var indigo = arcGenerator({ | |
| innerRadius: 190, | |
| outerRadius: 200 | |
| }); | |
| var blue = arcGenerator({ | |
| innerRadius: 200, | |
| outerRadius: 210 | |
| }); | |
| var green = arcGenerator({ | |
| innerRadius: 210, | |
| outerRadius: 220 | |
| }); | |
| var yellow = arcGenerator({ | |
| innerRadius: 220, | |
| outerRadius: 230 | |
| }); | |
| var orange = arcGenerator({ | |
| innerRadius: 225, | |
| outerRadius: 235 | |
| }); | |
| var red = arcGenerator({ | |
| innerRadius: 235, | |
| outerRadius: 245 | |
| }); | |
| d3.select('g').style("filter", "url(#f1)") | |
| d3.select('g') | |
| .append('path') | |
| .classed('violet', true) | |
| .attr('d', violet) | |
| d3.select('g') | |
| .append('path') | |
| .classed('indigo', true) | |
| .attr('d', indigo); | |
| d3.select('g') | |
| .append('path') | |
| .classed('blue', true) | |
| .attr('d', blue); | |
| d3.select('g') | |
| .append('path') | |
| .classed('green', true) | |
| .attr('d', green); | |
| d3.select('g') | |
| .append('path') | |
| .classed('yellow', true) | |
| .attr('d', yellow); | |
| d3.select('g') | |
| .append('path') | |
| .classed('orange', true) | |
| .attr('d', orange); | |
| d3.select('g') | |
| .append('path') | |
| .classed('red', true) | |
| .attr('d', red); | |
| </script> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment