The <feGaussianBlur>
SVG filter primitive blurs the input image by the amount specified in stdDeviation
, which defines the bell-curve.
Usage context
Categories | Filter primitive element |
---|---|
Permitted content | Any number of the following elements, in any order:<animate> , <set> |
Attributes
Global attributes
Specific attributes
DOM Interface
This element implements the SVGFEGaussianBlurElement
interface.
Example
Simple example
SVG
<svg width="230" height="120"
xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink">
<filter id="blurMe">
<feGaussianBlur in="SourceGraphic" stdDeviation="5" />
</filter>
<circle cx="60" cy="60" r="50" fill="green" />
<circle cx="170" cy="60" r="50" fill="green"
filter="url(#blurMe)" />
</svg>
Result
Screenshot | Live sample |
---|---|
![]() |
Drop shadow example
SVG
<svg width="120" height="120"
xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink">
<filter id="dropShadow">
<feGaussianBlur in="SourceAlpha" stdDeviation="3" />
<feOffset dx="2" dy="4" />
<feMerge>
<feMergeNode />
<feMergeNode in="SourceGraphic" />
</feMerge>
</filter>
<circle cx="60" cy="60" r="50" fill="green"
filter="url(#dropShadow)" />
</svg>
Result
Screenshot | Live sample |
---|---|
![]() |
Specifications
Specification | Status | Comment |
---|---|---|
Filter Effects Module Level 1 The definition of '<feGaussianBlur>' in that specification. |
Working Draft | Added edgeMode attribute |
Scalable Vector Graphics (SVG) 1.1 (Second Edition) The definition of '<feGaussianBlur>' in that specification. |
Recommendation | Initial definition |
Browser compatibility
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