Generate cryptomatte for ground shadow catcher layer?

Blender (Export script developed by yoyoz; Integrated Plugin developed by JimStar)
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Yngvai
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Posts: 27
Joined: Thu Nov 11, 2021 11:13 pm

I've got a basic scene with car and ground plane that acts as a shadow catcher layer. I noticed that when I export cryptomatte EXR, the car will be present in the object list but the ground plane will not.

Is it possible to generate a cryptomatte for a transparent shadow catcher object like a ground plane?
J.C
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Joined: Thu May 13, 2010 6:35 pm
Location: Wrocław

Yngvai wrote:I've got a basic scene with car and ground plane that acts as a shadow catcher layer. I noticed that when I export cryptomatte EXR, the car will be present in the object list but the ground plane will not.

Is it possible to generate a cryptomatte for a transparent shadow catcher object like a ground plane?
You can use AOV to generate mask for this object or use a regular material for floor with neutral color and use it for shadow.
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