The Multi Matte ID Render Element provides a mask for individual objects and/or materials, based on the Multi Matte IDs.
The Multi Matte ID Render Element contains no shading information at all, and only contains blocks of color that correspond to each Multi Matte ID. It uses the Multi Matte ID option available in the materials' properties.
UI Path: ||V-Ray|| > Render Elements > Multi Matte ID
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How to add a render element to a scene
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Properties
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Enable Deep Output – Specifies whether to include this render element in deep images.
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Multimatte ID Render Element Set up
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Here's the workflow for setting up and using the Multi Matte ID Render Element:
Select the material and go to the Options tab. Enable Material Id and set the Multi Matte ID to the required value.
Note: each number corresponds to a different color.
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Open V-Ray menu and select the Render Elements. Add the Multi Matte ID render element to the scene.
