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:
<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>
| Default value | 0 |
|---|---|
| Value | <number> |
| Animatable | Yes |
| 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 | No | Yes | Yes | Yes | No | No | Yes |
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https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/pointsAtX