seed

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

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

html
<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

html
<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 1
# element-attrdef-feturbulence-seed

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
seed

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
See implementation notes.