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yChannelSelector

files/en-us/web/svg/reference/attribute/ychannelselector/index.md

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The yChannelSelector attribute indicates which color channel from {{SVGAttr("in2")}} to use to displace the pixels in {{SVGAttr("in")}} along the y-axis.

Elements

You can use this attribute with the {{SVGElement("feDisplacementMap")}} SVG element.

Usage notes

<table class="properties"> <tbody> <tr> <th scope="row">Value</th> <td><code>R</code> | <code>G</code> | <code>B</code> | <code>A</code></td> </tr> <tr> <th scope="row">Default value</th> <td><code>A</code></td> </tr> <tr> <th scope="row">Animatable</th> <td>Yes</td> </tr> </tbody> </table>
  • R
    • : This keyword specifies that the red color channel of the input image defined in {{SVGAttr("in2")}} will be used to displace the pixels of the input image defined in {{SVGAttr("in")}} along the y-axis.
  • G
    • : This keyword specifies that the green color channel of the input image defined in {{SVGAttr("in2")}} will be used to displace the pixels of the input image defined in {{SVGAttr("in")}} along the y-axis.
  • B
    • : This keyword specifies that the blue color channel of the input image defined in {{SVGAttr("in2")}} will be used to displace the pixels of the input image defined in {{SVGAttr("in")}} along the y-axis.
  • A
    • : This keyword specifies that the alpha channel of the input image defined in {{SVGAttr("in2")}} will be used to displace the pixels of the input image defined in {{SVGAttr("in")}} along the y-axis.

Examples

css
html,
body,
svg {
  height: 100%;
}
html
<svg viewBox="0 0 440 160" xmlns="http://www.w3.org/2000/svg">
  <filter id="displacementFilter">
    <feImage
      href="mdn.svg"
      x="0"
      y="0"
      width="100%"
      height="100%"
      result="abc" />
    <feDisplacementMap
      in2="abc"
      in="SourceGraphic"
      scale="30"
      yChannelSelector="R" />
  </filter>
  <filter id="displacementFilter2">
    <feImage
      href="mdn.svg"
      x="0"
      y="0"
      width="100%"
      height="100%"
      result="abc" />
    <feDisplacementMap
      in2="abc"
      in="SourceGraphic"
      scale="30"
      yChannelSelector="B" />
  </filter>

  <text x="10" y="60" font-size="50" filter="url(#displacementFilter)">
    Some displaced text
  </text>
  <text x="10" y="120" font-size="50" filter="url(#displacementFilter2)">
    Some displaced text
  </text>
</svg>

{{EmbedLiveSample("Examples", "480", "200")}}

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}