This page gives some basic details about the Coverage Render Element and how it is used in compositing.


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The Coverage Render Element holds anti-aliasing data based on the Render ID Render Element. 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.

UI Path


||Render Settings window|| > Render Elements tab > Coverage


The parameters for this render element appear in the Attribute Editor under Extra V-Ray Attributes.




Enable – When checked, the render element appears in the V-Ray Virtual Frame Buffer.

Deep output – Specifies whether to include this render element in deep images.

Filename suffix – The text added to the end of the rendered file, when saved as a separate file (e.g. myrender.coverage.vrimg).


 This render element is not supported with V-Ray GPU rendering.