The seed
attribute represents the starting number for the pseudo random number generator of the <feTurbulence>
filter primitive.
Only one element is using this attribute: <feTurbulence>
html, body, svg { height: 100%; }
<svg viewBox="0 0 420 200" xmlns="http://www.w3.org/2000/svg"> <filter id="noise1" x="0" y="0" width="100%" height="100%"> <feTurbulence baseFrequency="0.025" seed="0" /> </filter> <filter id="noise2" x="0" y="0" width="100%" height="100%"> <feTurbulence baseFrequency="0.025" seed="100" /> </filter> <rect x="0" y="0" width="200" height="200" style="filter:url(#noise1);" /> <rect x="0" y="0" width="200" height="200" style="filter:url(#noise2); transform: translateX(220px);" /> </svg>
Usage notes
Value | <number> |
---|---|
Default value | 0 |
Animatable | Yes |
Example
<svg width="200" height="200" viewBox="0 0 220 220" xmlns="http://www.w3.org/2000/svg"> <filter id="displacementFilter"> <feTurbulence baseFrequency="0.05" seed="1000" result="turbulence"/> <feDisplacementMap in2="turbulence" in="SourceGraphic" scale="50" xChannelSelector="R" yChannelSelector="G"/> </filter> <circle cx="100" cy="100" r="100" style="filter: url(#displacementFilter)"/> </svg>
Specifications
Specification | Status | Comment |
---|---|---|
Filter Effects Module Level 1 The definition of 'seed' in that specification. |
Working Draft | No change |
Scalable Vector Graphics (SVG) 1.1 (Second Edition) The definition of 'seed' in that specification. |
Recommendation | Initial definition |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
seed | Chrome Full support Yes | Edge
Full support
12
| Firefox Full support 4 | IE
Full support
Yes
| Opera Full support 9 | Safari ? | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS ? | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown
- See implementation notes.
- See implementation notes.