surfaceScale

ThesurfaceScale attribute represents the height of the surface for a light filter primitive.

You can use this attribute with the following SVG elements:

Example

html,body,svg {  height: 100%;}

html

<svg viewBox="0 0 420 200" xmlns="http://www.w3.org/2000/svg">  <filter x="0" y="0" width="100%" height="100%">    <feDiffuseLighting in="SourceGraphic" surfaceScale="1">      <fePointLight x="60" y="60" z="20" />    </feDiffuseLighting>  </filter>  <filter x="0" y="0" width="100%" height="100%">    <feDiffuseLighting in="SourceGraphic" surfaceScale="15">      <fePointLight x="60" y="60" z="20" />    </feDiffuseLighting>  </filter>  <rect x="0" y="0" width="200" height="200" filter="url(#diffuseLighting1)" />  <rect    x="220"    y="0"    width="200"    height="200"    filter="url(#diffuseLighting2)" /></svg>