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Maniphest T75879

Transfer UV's from one to another object is very bad
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Description

System Information
Operating system:Win 7
Graphics card:Nvidia GeForce RTX 2060 SUPER

Blender Version
Broken: (example: 2.80, edbf15d3c044, master, 2018-11-28, as found on the splash screen)
Worked: (newest version of Blender that worked as expected) blender-2.83-7c0e28594840-windows64

Short description of error Copy/ Link UV's from one geometric Object to another equal Object - mixed the faces

Exact steps for others to reproduce the errorObject Modus - Select the destination Object shift select the source Object with UV - Strg L - select Transfer UV Maps. In the destination Object becomes faces the place of another wrong face.

Bug.blend692 KBDownload

Based on the default startup or an attached .blend file (as simple as possible).
system-info.txt31 KBDownload

Related Objects

Event Timeline

Enno Lange (Enno) created this task.Apr 18 2020, 9:46 PM
Richard Antalik (ISS) closed this task as Archived.Apr 20 2020, 4:35 PM
Richard Antalik (ISS) claimed this task.
Richard Antalik (ISS) added a subscriber: Richard Antalik (ISS).

I will quote from documentation:

Transferring UV Maps
You can copy a UV map from one mesh to another Mesh provided both meshes have the same geometry/vertex order. This is useful for example when you want to recreate a UV map from an earlier version of your model with intact UVs.

This seems to not be the case with your object

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