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Maniphest T47261

'transfer UV Maps' error
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Description

System Information
win7 64bit k2200
win7 64bit gtx970

Blender Version
Broken: hash:5cd3428

Short description of error
'transfer UV Maps' give me unexepted result

Exact steps for others to reproduce the error
copy the the uv from "from" to "to" via 'ctrl+l >>> transfer uv map' the uvs looks like the same, but they are totally wrong if you check with checker map.

copy_uv.blend404 KBDownload

Related Objects

Event Timeline

Massimiliano Puliero (mmaaxx) created this task.Jan 28 2016, 9:11 AM
Massimiliano Puliero (mmaaxx) raised the priority of this task from to 90.
Massimiliano Puliero (mmaaxx) updated the task description. (Show Details)
Massimiliano Puliero (mmaaxx) added a project: BF Blender.
Massimiliano Puliero (mmaaxx) edited a custom field.
Massimiliano Puliero (mmaaxx) added a subscriber: Massimiliano Puliero (mmaaxx).
Bastien Montagne (mont29) changed the task status from Unknown Status to Archived.Jan 29 2016, 3:49 PM
Bastien Montagne (mont29) claimed this task.
Bastien Montagne (mont29) added a subscriber: Bastien Montagne (mont29).

There is no bug here at all, you are trying to copy data between two meshes that are far from identical, this will never work.

You can try the 'Data Transfer' tool instead (ctrl-shift-T, UV option, choose 'Projected face interpolated' for both faces and face corners, and enable Auto Transform option), but it won't give you perfect result either.

Massimiliano Puliero (mmaaxx) added a comment.Jan 30 2016, 5:43 AM

thanks, I tried with data trasfer, following the topology and the uvs look like identicail in the uv editor, in viewport they look totally broken.

max

Philipp Oeser (lichtwerk) mentioned this in T84122: Transfer UV Maps can mix up indices [breaking sticky selection].Dec 27 2020, 4:40 PM