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Creates selection masks with automatic color assignment for each scene object with Object ID different from zero.

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The channel uses integer color values and no anti-aliasing.
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UI Paths

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||V-Ray Asset Editor|| > Render Elements (right-click) > Object ID
||V-Ray Asset Editor|| > Create Asset (left-click) > Render Elements > Object ID

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Common Uses

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The Object ID Render Element Element is useful for isolating geometry in a scene based on the Object ID. This means that items can be isolated by use of a matte, created from the solid colors within the Object ID pass. This method is used to isolate and color correct the ottoman in the example. The ottoman has an Object ID of 1, the floor has an Object ID of 4 and the walls have an Object ID of 2. See how the render looks before and after compositing.

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