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The Multi Matte ID Render Element isolates objects with specific Multi Matte IDs for compositing purposes.

 

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Overview

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The Multi Matte ID Render Element provides a mask for individual objects and/or materials, based on the Multi Matte IDs that have been added as Extra V-Ray Attributes.

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 set when the Material ID attribute is added to a material.

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UI Path

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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

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 – 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

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

UI Text Box

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

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Image Added


Multimatte ID Render Element Set up Procedure

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The Reflection Render Element using a matte created from the red channel of the Multi Matte ID Render Element to add contrast to the reflection on the suit and tint it blue

 

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The resulting composite using the Multi Matte ID's 
for Control changing material colors without re-rendering

 

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