Nœud ID Mask

Le nœud ID Mask.

The ID Mask Node creates a mask for a particular object or material in the render. It relies on the Object Index or Material Index render pass, which is only available when rendering with Cycles.

Voir aussi

This node is superseded by the Nœud Cryptomatte. Cryptomatte is more versatile and is supported by both Cycles and EEVEE.

Inputs

ID Value

Input for the Object Index or Material Index render pass. Once a pass is enabled, it can be accessed through the IndexOB or IndexMA slot of the Nœud Render Layers.

Properties

Index

The index for which to create a mask. This index can be configured for objects at Properties ‣ Object ‣ Relations ‣ Pass Index, and for materials at Properties ‣ Material ‣ Settings ‣ Pass Index.

../../../_images/compositing_types_converter_id-mask_relations-panel.png

Object Pass Index.

Anti-Aliasing

Whether to smooth the mask edges.

Outputs

Alpha

A grayscale image that’s white where the object exists and black where it does not.

Exemple

In the example below, the left and right cubes are assigned a Pass Index of 1 and 2 respectively. We extract a mask for the left cube, then use it to turn that cube red with a Nœud Mix. The masks for the other Pass Indexes are also shown.

../../../_images/compositing_types_converter_id-mask_example.png

Exemple de nœud ID Mask.

Limitations