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.

You can use this attribute with the following SVG elements:

Example

<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

Specification Status Comment
Filter Effects Module Level 1
The definition of 'pointsAtX' in that specification.		 Working Draft No change
Scalable Vector Graphics (SVG) 1.1 (Second Edition)
The definition of 'pointsAtX' in that specification.		 Recommendation Initial definition

Browser compatibility

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

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https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/pointsAtX