Forums Houdini for Realtime Shadow artifacts on some meshes when Ray-Tracing in unreal

Shadow artifacts on some meshes when Ray-Tracing in unreal

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traileverse
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Joined: 11月 2015
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Some meshes I export from houdini into unreal have issues when Ray-Tracing is on; I’m getting bad shadow artifacts. What could the issues! Please see attachments. Any guidance in a direction to solve this will be very much appreciated.

System Specs:
RTX 3090
AMD Ryzen 3950x
64BG RAM

Attachments:
Screenshot 2024-02-03 162435111.png (1.7 MB)
Screenshot 2024-02-03 1624351112.png (1.6 MB)

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osong
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1) why do you compute weighted normals on import? get both normals and tangents
2) did you enable nanite? if yes - there's your answer
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traileverse
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Joined: 11月 2015
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osong
1) why do you compute weighted normals on import? get both normals and tangents
2) did you enable nanite? if yes - there's your answer

Thanks a lot for this, really helped!
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