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Triangulate faces with 'Beauty method' produces extra small triangles in certain cases #79482

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opened 2020-08-03 11:05:14 +02:00 by Andrii Mykhailov · 7 comments
Andrii Mykhailov commented 2020-08-03 11:05:14 +02:00
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System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce RTX 2080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 451.48

Blender Version
Broken: version: 2.90.0 Alpha, branch: master, commit date: 2020-07-19 21:23, hash: 78e40ad21f
Worked: N/A

Short description of error
On circular geometry Triangulate sometimes pick worse edge than expected

Exact steps for others to reproduce the error

  1. Open attached blend file
  2. Select middle circle as shown on image.
  3. Click Triangulate faces with quad method set to 'Beauty' by default
    triangulation_problem.jpg
    triangulation_problem2.blend
**System Information** Operating system: Windows-10-10.0.18362-SP0 64 Bits Graphics card: GeForce RTX 2080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 451.48 **Blender Version** Broken: version: 2.90.0 Alpha, branch: master, commit date: 2020-07-19 21:23, hash: `78e40ad21f` Worked: N/A **Short description of error** On circular geometry Triangulate sometimes pick worse edge than expected **Exact steps for others to reproduce the error** 1. Open attached blend file 2. Select middle circle as shown on image. 3. Click Triangulate faces with quad method set to 'Beauty' by default ![triangulation_problem.jpg](https://archive.blender.org/developer/F8740790/triangulation_problem.jpg) [triangulation_problem2.blend](https://archive.blender.org/developer/F8740816/triangulation_problem2.blend)
Andrii Mykhailov commented 2020-08-03 11:05:14 +02:00
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Added subscriber: @zelfit

Added subscriber: @zelfit
Andrii Mykhailov changed title from Triangulate faces with produces extra small triangles in certain cases to Triangulate faces with 'Beauty method produces extra small triangles in certain cases 2020-08-03 11:05:55 +02:00
Andrii Mykhailov changed title from Triangulate faces with 'Beauty method produces extra small triangles in certain cases to Triangulate faces with 'Beauty method' produces extra small triangles in certain cases 2020-08-03 11:07:38 +02:00
Marcin Twarowski commented 2020-08-03 11:22:20 +02:00
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Added subscriber: @MarcinTwarowski

Added subscriber: @MarcinTwarowski
Marcin Twarowski commented 2020-08-03 11:22:20 +02:00
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Inner circle in the mesh from the file you provided is already all triangles.

Inner circle in the mesh from the file you provided is already all triangles.
Andrii Mykhailov commented 2020-08-03 11:24:51 +02:00
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Updated file. Should be fine now.

Updated file. Should be fine now.
blender-admin commented 2020-08-03 13:04:08 +02:00
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This issue was referenced by f2b71df549

This issue was referenced by f2b71df549b5a3a667f6e5f618ac99951e204e50
blender-admin commented 2020-08-03 13:04:08 +02:00
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This issue was referenced by 3f94f47113

This issue was referenced by 3f94f47113f9e09e382b09ed2c32d056192f9087
Campbell Barton commented 2020-08-03 13:14:11 +02:00
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Changed status from 'Needs Triage' to: 'Resolved'

Changed status from 'Needs Triage' to: 'Resolved'
Campbell Barton self-assigned this 2020-08-03 13:14:11 +02:00
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Reference: blender/blender#79482
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