Cycles: Render artefacts for Motion Blur option on specific geometry #112276
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Reference: blender/blender#112276
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System Information
Operating system:win10
Graphics card:rtx3060
Blender Version
3.6.2
I made some simple shaking effects using geometric nodes
This is fine in various views, but when I turn on motion blur, the render will have cluttered polygon flashes (e.g. 107 frames in the file).
I'm using 3.6.2, I tried 3.3.9, 3.5 and had no problem at 107 frames (I didn't render the whole sequence)
Polygon errors will also appear in 4.0
I have tested it and it should not be a problem with the language version or the plugin
I haven't rendered too many sequences to test so far and it looks like there's been some sort of misalignment between geometric nodes and dynamic blur
[Translate using translation software]
A rendering error occurred when dynamic blur was turned on while using geometry nodes (cycles)to Cycles: Render artefacts for Motion Blur option on specific geometryHi, I suspect this is related to #100425
I've not checked the file yet, but does your file have
subdivision modifier
orauto smooth
property enabled?@PratikPB2123 I can confirm this only with auto smooth enabled. But with different result of normals due to animated mesh (by geometry nodes). Hard to say something more detail...
Thanks. I'll close this as duplicate then.
Feel free to reopen if there is misunderstanding