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title: "V-Ray Coverage"
canonical: "https://documentation.chaos.com/space/VRAYHOUDINI/113281520/V-Ray%20Coverage"
format: markdown
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This page gives some basic details about the Coverage Render Channel and how it is used in compositing.


## **Overview**

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<span style="color: #172b4d">The Coverage Render Element holds anti-aliasing data based on the </span><span style="color: #172b4d">[Render ID Render Element](https://docs-chaos.atlassian.net/wiki/spaces/VRAYHOUDINI/pages/113281529)</span><span style="color: #172b4d">. When the Coverage Render Element is multiplied by the Render ID Render Element in compositing, it adds anti-aliasing to the Render ID channel, providing a quick object mask.</span>

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## **Parameters**

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