Pointiness - wrong results with dense mesh and small scale #81089
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Reference: blender/blender#81089
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System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 456.38
Blender Version
Broken: version: 2.91.0 Alpha, branch: master, commit date: 2020-09-22 18:36, hash:
358a8e00bdWorked: never
Short description of error
Pointiness gives wrong results with dense mesh and small scale.
Exact steps for others to reproduce the error
pointiness_bug.blend
Added subscriber: @MarcinTwarowski
#99042 was marked as duplicate of this issue
#97641 was marked as duplicate of this issue
#95785 was marked as duplicate of this issue
#90480 was marked as duplicate of this issue
#88000 was marked as duplicate of this issue
Added subscriber: @lichtwerk
Changed status from 'Needs Triage' to: 'Confirmed'
I can confirm the behavior.
There is code that detects "doubles" and does special things with these, I assume we are running into that code-branch.
But without digging deeper, I would assume this could be prevented somehow? Not sure why it spits out white in that case.
Will confirm for now.
Added subscribers: @MassimilianoPuliero, @mano-wii
Added subscribers: @Harti, @PratikPB2123
I demand to reopen my bug report https://developer.blender.org/T90480 because i wanne have an dev look over the rectangular pattern shading glitch which has nothing to do with this bug report here. @PratikPB2123
Added subscriber: @Limarest
Added subscriber: @Willywonkahc
Added subscriber: @jongweyhong
Has there been any progress on this bug?
I often run into this problem, especially on high poly sculpt geo which is a real pain...
I've attached an image below.
@Seithr Check this out.
Youtube Video
Thanks for the response but this is not a curvature/pointiness replacement. It's a useful utility to have for hard surface geo but isnt useful for anything organic.
I can confirm this bug! The solution out online was to scale up in edit mode but when I scale up all the details are gone.
A workaround that solved the issue on my side was to export the culprit mesh to a .obj file, import it into a brand new project and apply the geometry node set on pointy.
Hope that helps.