seed
The seed
attribute represents the starting number for the pseudo random number generator of the <feTurbulence>
filter primitive.
You can use this attribute with the following SVG elements:
Example
Example 1
<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>
Example 2
<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>
Usage notes
Value | <number> |
---|---|
Default value | 0 |
Animatable | Yes |
Specifications
Specification |
---|
Filter Effects Module Level 2 # element-attrdef-feturbulence-seed |
Browser compatibility
BCD tables only load in the browser