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This page provides information on the Object Select Node in V-Ray for Blender.

 

Overview


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The Object Select Render Channel stores only the object(s) called out with a specific Object or Material ID.

This effect is reversible to create a render element that excludes a particular object or objects according to Object or Material ID.

When rendering this element out, it will also include a filter and alpha passes separately to help make it easier to use when compositing.

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UI Path


 

||Node Editor|| > Add > Render Channels > Object Select

 

Node


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Name – The name of the render channel.

Use Mtl Id  – When enabled, V-Ray is going to extract the contribution of all objects that have a material with the specific material ID assigned to them.

Object IDs/Material IDs – List of selected IDs included in this render pass.

Affect Matte Objects – Controls whether or not matte objects will be present in the render element.

Consider for AA – Allows you to enable or disable the the sampling of the current render channel for antialiasing.

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Parameters


 

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Invert Selection – Use the opposite of the selected objects in the render pass.

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Common Uses


The Object Select render element allows items to be isolated for easier control at a composite level. In the example shown below the robot arms at the front of the frame have been color corrected and tinted blue.

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Object Select render Element

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The original beauty Composite

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Color Corrected and tinted Object Select Render Element

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Robot arms tinted and color corrected via the Object Select Render Element

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