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Weird face dots in UV editor with cage mode on of subdivision modifier. #71194

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opened 2019-10-29 16:24:09 +01:00 by Souvik Karmakar · 9 comments
Souvik Karmakar commented 2019-10-29 16:24:09 +01:00
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System Information
Operating system: Win 10 pro
Graphics card: Nvidia Gtx 960

Blender Version
Broken: 2.81 (sub 16), branch: master, commit date: 2019-10-28 18:34, hash: 7c1fbe24ca, type: Release
Worked: (optional)

Short description of error
Blender UV face dot issue.jpg
As you can see in this screenshot I am having weird face dots position in uv editor in cage mode on of subdivision modifier. If I uncheck cage mode face dots appear properly.
Exact steps for others to reproduce the error
Just turn on cage of subdivision modifier and see where the face dots goes in uv editor.

Example file
Face_dot_issue.blend

**System Information** Operating system: Win 10 pro Graphics card: Nvidia Gtx 960 **Blender Version** Broken: 2.81 (sub 16), branch: master, commit date: 2019-10-28 18:34, hash: 7c1fbe24ca33, type: Release Worked: (optional) **Short description of error** ![Blender UV face dot issue.jpg](https://archive.blender.org/developer/F7869547/Blender_UV_face_dot_issue.jpg) As you can see in this screenshot I am having weird face dots position in uv editor in cage mode on of subdivision modifier. If I uncheck cage mode face dots appear properly. **Exact steps for others to reproduce the error** Just turn on cage of subdivision modifier and see where the face dots goes in uv editor. **Example file** [Face_dot_issue.blend](https://archive.blender.org/developer/F7873305/Face_dot_issue.blend)
Souvik Karmakar commented 2019-10-29 16:24:09 +01:00
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Added subscriber: @SouvikKarmakar

Added subscriber: @SouvikKarmakar
Campbell Barton was assigned by Souvik Karmakar 2019-10-30 18:44:16 +01:00
Campbell Barton commented 2019-10-30 19:43:24 +01:00
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Please include blend file.

Please include blend file.
Souvik Karmakar commented 2019-10-30 20:15:56 +01:00
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Example file added to the descriiption.

Example file added to the descriiption.
Philipp Oeser commented 2019-10-30 20:32:55 +01:00
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Added subscriber: @lichtwerk

Added subscriber: @lichtwerk
Philipp Oeser commented 2019-10-30 20:32:55 +01:00
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Looks like corrupt geometry, getting a bunch of these, needs more investigation

Invalid Index: at /blender/source/blender/bmesh/intern/bmesh_mesh.c:1717, BM_mesh_elem_index_ensure_ex, vert[2011] invalid index 15, 'Should Never Fail!', 'BM_mesh_elem_index_ensure_ex
Looks like corrupt geometry, getting a bunch of these, needs more investigation ``` Invalid Index: at /blender/source/blender/bmesh/intern/bmesh_mesh.c:1717, BM_mesh_elem_index_ensure_ex, vert[2011] invalid index 15, 'Should Never Fail!', 'BM_mesh_elem_index_ensure_ex ```
Souvik Karmakar commented 2019-10-30 20:53:41 +01:00
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In #71194#803583, @lichtwerk wrote:
Looks like corrupt geometry, getting a bunch of these, needs more investigation

Invalid Index: at /blender/source/blender/bmesh/intern/bmesh_mesh.c:1717, BM_mesh_elem_index_ensure_ex, vert[2011] invalid index 15, 'Should Never Fail!', 'BM_mesh_elem_index_ensure_ex

We can also see it in suzzane.Subsurface modifier with cage on and in uv editor face select mode on.
Suzanne.blend

> In #71194#803583, @lichtwerk wrote: > Looks like corrupt geometry, getting a bunch of these, needs more investigation > > ``` > Invalid Index: at /blender/source/blender/bmesh/intern/bmesh_mesh.c:1717, BM_mesh_elem_index_ensure_ex, vert[2011] invalid index 15, 'Should Never Fail!', 'BM_mesh_elem_index_ensure_ex > ``` We can also see it in suzzane.Subsurface modifier with cage on and in uv editor face select mode on. [Suzanne.blend](https://archive.blender.org/developer/F7873440/Suzanne.blend)
Philipp Oeser commented 2019-10-30 21:32:20 +01:00
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Not sure what was wrong, not getting the invalid index anymore, need to look at this with a fresh eye...

Not sure what was wrong, not getting the invalid index anymore, need to look at this with a fresh eye...
blender-admin commented 2019-11-08 12:16:25 +01:00
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This issue was referenced by 5cf5dfcfad

This issue was referenced by 5cf5dfcfadf5d276931ea4e5f634b92cccdba124
Campbell Barton commented 2019-11-08 12:19:28 +01:00
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Changed status from 'Open' to: 'Resolved'

Changed status from 'Open' to: 'Resolved'
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Reference: blender/blender#71194
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