Subdivision Modifier outputs unexpected/wrong result. #61247

Closed
opened 2019-02-06 18:25:38 +01:00 by Tsvetelin Lyubenov · 5 comments

System Information
Operating system: Windows 10 Enterprise, 64bit
Graphics card: Nvidia GeForce GTX 970

Blender Version
Broken: 2.80 beta, hash: 8996e26116, date:2019-02-05 23:34

Worked: 2.79b (official), hash: f4dc9f9d68, date:2018-03-22 14:10

Short description of error
When subdividing a diamond pattern geometry the result seem broken and unpredictable.
2.80 beta:
SubdivisionDiamondBlender2.80.png
2.79:
SubdivisionDiamondBlender2.79.png

Exact steps for others to reproduce the error
Open the provided blend file:
DiamondPatternMesh.blend
and apply Subdivision Modifier in both 2.79b and 2.80 beta.

This also happens with Multiresolution Modifier.

**System Information** Operating system: Windows 10 Enterprise, 64bit Graphics card: Nvidia GeForce GTX 970 **Blender Version** Broken: 2.80 beta, hash: 8996e26116f0, date:2019-02-05 23:34 Worked: 2.79b (official), hash: f4dc9f9d68b, date:2018-03-22 14:10 **Short description of error** When subdividing a diamond pattern geometry the result seem broken and unpredictable. 2.80 beta: ![SubdivisionDiamondBlender2.80.png](https://archive.blender.org/developer/F6529805/SubdivisionDiamondBlender2.80.png) 2.79: ![SubdivisionDiamondBlender2.79.png](https://archive.blender.org/developer/F6529808/SubdivisionDiamondBlender2.79.png) **Exact steps for others to reproduce the error** Open the provided blend file: [DiamondPatternMesh.blend](https://archive.blender.org/developer/F6529865/DiamondPatternMesh.blend) and apply Subdivision Modifier in both 2.79b and 2.80 beta. This also happens with Multiresolution Modifier.

Added subscriber: @rendetto

Added subscriber: @rendetto
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Added subscriber: @nacioss

Added subscriber: @nacioss
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Screenshot.jpg
It works fine here, try with the latest build of today 2019-02-06

![Screenshot.jpg](https://archive.blender.org/developer/F6530098/Screenshot.jpg) It works fine here, try with the latest build of today 2019-02-06

Yes, the pattern looks predictable in 8c87af7440 from 2019-02-06 15:11
PredictableSubdivision.PNG
Task can be closed.

Thanks

Yes, the pattern looks predictable in 8c87af74409a from 2019-02-06 15:11 ![PredictableSubdivision.PNG](https://archive.blender.org/developer/F6530558/PredictableSubdivision.PNG) Task can be closed. Thanks

Changed status from 'Open' to: 'Archived'

Changed status from 'Open' to: 'Archived'
Tsvetelin Lyubenov self-assigned this 2019-02-07 08:41:15 +01:00
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Reference: blender/blender#61247
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