A demonstration of SVG's Gaussian blur filter effect: the svg:feGaussianBlur element.
Image source: GitHub's octodex.
Last active
July 25, 2018 18:41
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SVG feGaussianBlur
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| license: gpl-3.0 |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| position: relative; | |
| width: 960px; | |
| height: 500px; | |
| } | |
| input { | |
| position: absolute; | |
| bottom: 20px; | |
| right: 20px; | |
| width: 200px; | |
| } | |
| </style> | |
| <body> | |
| <script src="//d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", 960) | |
| .attr("height", 500); | |
| var filter = svg.append("defs") | |
| .append("filter") | |
| .attr("id", "blur") | |
| .append("feGaussianBlur") | |
| .attr("stdDeviation", 5); | |
| d3.select("body").append("input") | |
| .attr("type", "range") | |
| .attr("min", 0) | |
| .attr("max", 100) | |
| .attr("value", 25) | |
| .on("change", blur); | |
| var image = new Image; | |
| image.src = "octocat.jpg"; | |
| image.onload = load; | |
| function load() { | |
| svg.append("image") | |
| .attr("xlink:href", this.src) | |
| .attr("width", "100%") | |
| .attr("height", "100%") | |
| .attr("filter", "url(#blur)"); | |
| } | |
| function blur() { | |
| filter.attr("stdDeviation", this.value / 5); | |
| } | |
| </script> |
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