Crash on Copy Vertex Group to Selected #49860
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Reference: blender/blender#49860
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System Information
Windows 7 64 bits GTX580 + GTX980Ti
Blender Version
Broken: 2.78,
ec6b593
, 2.78aShort description of error
Using the Copy Vertex Group to Selected operator from the space bar menu causes blender to crash
Exact steps for others to reproduce the error
In the attached file Crash_CopyVertexGroups.blend try copying vertex group from object A to B by:
Quick question, question forgive my ignorance but shouldn't two objects instances (sharing same mesh objectdata) also share the same Vertex Groups by default? Unless I misunderstood something Vertex Groups are part of mesh data and should be the same in two clone instances sharing the same mesh data.
Changed status to: 'Open'
Added subscriber: @DuarteRamos
Added subscriber: @mont29
Crash confirmed…
To answer to your question, unfortunately vgroups are one of those ugly things that are part object, part mesh data (to be precise, groups are defined in object, while group 'data' (which vertex pertains to which group) is stored in mesh). This is the source of many issues and inconsistencies :/
Ah yes, I see, I always like knowing a bit more about the inner workings and technical side of Blender.
Thanks for the thorough explanation :)
Added subscriber: @Almisuifre
This issue was referenced by
f3a7104adb
Changed status from 'Open' to: 'Resolved'