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This page provides information on the Object ID Render Element which isolates individual objects with colors or integer values for compositing purposes.


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In NUKE, Object IDs can be added with the VRayObjProp node. Two or more objects in the scene can share the same Object ID.

The Object ID Render Element creates selection masks based on Object ID. This render element either shows each object (by Object ID) in a solid unshaded color, or stores the Object IDs as integer values within the EXR format or V-Ray Image Format file.

More than one Object ID render element can be generated for a single rendering if desired.




UI Path: ||Toolbar|| > V-Ray Menu icon > Render > VRayRenderElement > Type: Object ID


The Object ID render element has no controllable properties.





Create a VRayObjProp node and connect it between the object node and the scene node. Set the Object ID to the required value. Note: each number corresponds to a different color.

Create a VRayRenderElement node and set the Type to Object ID.