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||Render Settings window|| > Render Elements tab > Multi Matte ID


Attributes

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

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Enabled – When enabled, the render element appears in the V-Ray 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.multimatteID.vrimg).

UI Text Box
typenote

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

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Multimatte ID Render Element Set up Procedure

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Here's the workflow for setting up and using the Multi Matte ID Render Element:

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 Add the Material ID attribute Attributes > VRay > Material ID.

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 Set the Multi Matte ID to the required value. Note: each number corresponds to a different color.

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 Open Render Settings and go to the Render Elements tab and from the Available render elements add a Multi Matte ID render element.

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Common Uses

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A typical usage of this render element, is to use the colors produced in the Multi Matte ID to produce a mask or alpha channel in post production that covers everything with that Multi Matte ID.

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