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/SVG

pointsAtX

The pointsAtX attribute represents the x location in the coordinate system established by attribute primitiveUnits on the <filter> element of the point at which the light source is pointing.

Only one element is using this attribute: <feSpotLight>

<svg viewBox="0 0 420 200" xmlns="http://www.w3.org/2000/svg">

  <filter id="lighting1" x="0" y="0" width="100%" height="100%">
    <feDiffuseLighting in="SourceGraphic">
      <feSpotLight x="60" y="60" z="50" pointsAtX="0" />
    </feDiffuseLighting>
  </filter>
  <filter id="lighting2" x="0" y="0" width="100%" height="100%">
    <feDiffuseLighting in="SourceGraphic">
      <feSpotLight x="60" y="60" z="50" pointsAtX="400" />
    </feDiffuseLighting>
  </filter>

  <rect x="0" y="0" width="200" height="200" style="filter: url(#lighting1);" />
  <rect x="0" y="0" width="200" height="200" style="filter: url(#lighting2); transform: translateX(220px);" />
</svg>

Usage notes

Default value 0
Value <number>
Animatable Yes

Specifications

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
pointsAtX Yes 12 4 Yes 9 ?
Mobile
Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet
pointsAtX Yes Yes Yes ? ? Yes

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/pointsAtX