Copy UV map operation is bugged and destroys UVs for no discernable reason #120306

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opened 2024-04-05 15:54:57 +02:00 by SpicyMcJalapeno · 6 comments

System Information
Operating system:Windows 10
Graphics card: RTX 2060 super

Blender Version
Broken: Broken since at least version 2.9
Worked: still broken as of 4.0

Short description of error

When using the copy uv function in the transfer data menu (ctrl L), the selected objects UV gets completely destroyed when copied, this happens randomly but once it occurs it is unfixable (Will work perfectly one day, and then be broken the next)

Both objects have the same geometry, material, UV seams etc etc. They are identical

Steps to Reproduce

  • Open attached file
  • Select Cube 3, in uv edit mode -> unwrap uv
  • In object mode select cube 3 then Cube 31
  • Ctrl + L and then copy UV maps

SidePanel UV issue.blend

**System Information** Operating system:Windows 10 Graphics card: RTX 2060 super **Blender Version** Broken: Broken since at least version 2.9 Worked: still broken as of 4.0 **Short description of error** When using the copy uv function in the transfer data menu (ctrl L), the selected objects UV gets completely destroyed when copied, this happens randomly but once it occurs it is unfixable (Will work perfectly one day, and then be broken the next) Both objects have the same geometry, material, UV seams etc etc. They are identical **Steps to Reproduce** - Open attached file - Select Cube 3, in uv edit mode -> unwrap uv - In object mode select cube 3 then Cube 31 - Ctrl + L and then copy UV maps [SidePanel UV issue.blend](https://projects.blender.org/attachments/3185cbb1-ea2e-4d0f-b610-bc6341401602)
SpicyMcJalapeno added the
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Report
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Normal
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Needs Triage
labels 2024-04-05 15:54:58 +02:00
Iliya Katushenock added the
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Modeling
Interest
UV Editing
labels 2024-04-05 15:59:09 +02:00

image

Again, 3/4 of these maps copied fine, but the 2nd from the left is broken

![image](/attachments/12cceaad-0378-49e0-b640-fcf924cbee0c) Again, 3/4 of these maps copied fine, but the 2nd from the left is broken
209 KiB
Member

Hi, thanks for the report. #108222 might be related, can you check?
Also, could you attach simplified .blend file?

Hi, thanks for the report. #108222 might be related, can you check? Also, could you attach simplified .blend file?
Pratik Borhade added
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and removed
Status
Needs Triage
labels 2024-04-06 08:27:03 +02:00

Unfortunately I already replaced the affected geometry, the other post could be related, up close the UV verts are feathered and split randomly, as well as stretched across the entire sheet.

When I have this issue again I will upload the file.

Unfortunately I already replaced the affected geometry, the other post could be related, up close the UV verts are feathered and split randomly, as well as stretched across the entire sheet. When I have this issue again I will upload the file.
Blender Bot added
Status
Archived
and removed
Status
Needs Information from User
labels 2024-04-07 15:31:17 +02:00
Blender Bot added
Status
Needs Triage
and removed
Status
Archived
labels 2024-04-07 15:31:36 +02:00
Pratik Borhade added
Status
Needs Information from User
and removed
Status
Needs Triage
labels 2024-04-08 04:26:30 +02:00

image

![image](/attachments/6ecccb28-310a-48fd-a184-2efcb72501a0)
1.0 MiB

I've left the destroyed UV map as is but it should be replicable by shift clicking Cube 3 and then Cube 31, ctrl + L and then copy UV maps

I've left the destroyed UV map as is but it should be replicable by shift clicking Cube 3 and then Cube 31, ctrl + L and then copy UV maps
Member

Can confirm

Can confirm
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Reference: blender/blender#120306
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