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self shadowing on matte objects

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jlazzis
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Is there a way to turn off self shadowing on a matte/holdout object for karma XPU? I want the matte object to receive shadows from other objects but not from itself
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jlazzis
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10 posts
Joined: March 2019
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here is a bit context for this question.
The ground is a matte object, holdout
When I use an area light, the shadow pass look correct


When I use a dome light, the ground geo is shadowing itself and I can't find a way to turn that off.




I have attached the scene to this post. I think it's a bug but I thought I'd check here before logging a bug report.
Edited by jlazzis - Dec. 7, 2023 20:44:53

Attachments:
arealightbeauty.png (1.8 MB)
arealightshadow.png (124.6 KB)
domelightbeauty.png (3.0 MB)
domelightshadow.png (585.0 KB)
Houdini_KarmaXPU_SelfShadowingTest_v001.hiplc (1.3 MB)

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