"Link object data" doesn't link vertex groups #42949

New Issue

Konstantins Visnevskis · 2014-12-18T14:13:48+01:00

2014-12-18 14:13:48 +01:00

System Information
Win8.1x64, GTX580x3

Blender Version
2.72b

Short description of error
When linking object data, vertex group list doesn't get synchronized. Only groups with same name already in place in linkable objects get transferred.
In case vertex groups are not considered object data, they probably shouldn't be affected at all.

Exact steps for others to reproduce the error

**System Information** Win8.1x64, GTX580x3 **Blender Version** 2.72b **Short description of error** When linking object data, vertex group list doesn't get synchronized. Only groups with same name already in place in linkable objects get transferred. In case vertex groups are not considered object data, they probably shouldn't be affected at all. **Exact steps for others to reproduce the error**

Konstantins Visnevskis commented

2014-12-18 14:13:48 +01:00

Changed status to: 'Open'

Konstantins Visnevskis commented

2014-12-18 14:13:48 +01:00

Added subscriber: @KonstantinsVisnevskis

Konstantins Visnevskis commented

2014-12-18 14:15:25 +01:00

Sorry, accidentally pressed Submit.

Steps to reproduce the error -
create two objects,
add vertex group to one,
link the other to source data from this object,
Object didn't receive new vertex group.

Sorry, accidentally pressed Submit. Steps to reproduce the error - create two objects, add vertex group to one, link the other to source data from this object, Object didn't receive new vertex group.

Bastien Montagne commented

2014-12-18 14:24:46 +01:00

Changed status from 'Open' to: 'Archived'

Bastien Montagne closed this issue

2014-12-18 14:24:46 +01:00

Bastien Montagne self-assigned this 2014-12-18 14:24:46 +01:00

Bastien Montagne commented

2014-12-18 14:24:46 +01:00

Thanks for the report, but this is a known issue that bites us in many places in Blender - vgroups are 'split' between objects and obdata (they are defined on object level, but data itself is stored in mesh or lattice). You'll suffer strange issues too if you assign a same mesh to different objects with different vgroups definitions...

Archiving, since a real fix would mean pretty much rewriting vgroups from scratch. ;)

Thanks for the report, but this is a known issue that bites us in many places in Blender - vgroups are 'split' between objects and obdata (they are defined on object level, but data itself is stored in mesh or lattice). You'll suffer strange issues too if you assign a same mesh to different objects with different vgroups definitions... Archiving, since a real fix would mean pretty much rewriting vgroups from scratch. ;)

Konstantins Visnevskis commented

2014-12-18 15:31:56 +01:00

I see. So if I get it right the data basically is there but it has no v.goup definition. (I presume so because as soon as I manually create correctly named group for each object everything seems to work).
Could the solution be then to have a function that just copies v.group list from active object (or does it once while linking)? I guess it won't be a problem for me to python that, but it probably is a frustration for lots of people.

I see. So if I get it right the data basically is there but it has no v.goup definition. (I presume so because as soon as I manually create correctly named group for each object everything seems to work). Could the solution be then to have a function that just copies v.group list from active object (or does it once while linking)? I guess it won't be a problem for me to python that, but it probably is a frustration for lots of people.

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"Link object data" doesn't link vertex groups #42949