removing vertex group reassigns all other vertex groups, removing a vertex group is not undo-able #78022

New Issue

Michael Economy · 2020-06-19T00:11:48+02:00

Michael Economy commented

2020-06-19 00:11:48 +02:00

System Information
Operating system: Windows 10
Graphics card: nvidia gtx 780

Blender Version
tested in 2.8.3 / 2.8.2 broken in both

Short description of error

when i remove a vertex group, all of the vertices of later groups are shifted to the next group in the list.

Also, you cannot undo removing a vertex group.

Exact steps for others to reproduce the error
create a mesh with multiple vertex groups that have vertexes
enter edit mode
go to vertex groups
click on the top one, then hit the "-" button

DISASTER!!!! (ok, it's not that bad, but it's annoying)

**System Information** Operating system: Windows 10 Graphics card: nvidia gtx 780 **Blender Version** tested in 2.8.3 / 2.8.2 broken in both **Short description of error** when i remove a vertex group, all of the vertices of later groups are shifted to the next group in the list. Also, you cannot undo removing a vertex group. **Exact steps for others to reproduce the error** create a mesh with multiple vertex groups that have vertexes enter edit mode go to vertex groups click on the top one, then hit the "-" button DISASTER!!!! (ok, it's not that bad, but it's annoying)

Michael Economy commented

2020-06-19 00:11:48 +02:00

Added subscriber: @michaeleconomy

Michael Economy commented

2020-06-19 00:12:02 +02:00

This comment was removed by @michaeleconomy

*This comment was removed by @michaeleconomy*

Germano Cavalcante commented

2020-06-19 16:38:47 +02:00

Added subscriber: @mano-wii

Germano Cavalcante commented

2020-06-19 16:38:47 +02:00

Changed status from 'Needs Triage' to: 'Needs User Info'

Germano Cavalcante commented

2020-06-19 16:38:47 +02:00

I can't or don't understand how to reproduce the problem.

Also, to properly track issues we need them to be reported separately.
The undo problem has already been reported here #71980

Here the file I tried:
tmp.blend

I can't or don't understand how to reproduce the problem. Also, to properly track issues we need them to be reported separately. The undo problem has already been reported here #71980 Here the file I tried: [tmp.blend](https://archive.blender.org/developer/F8632167/tmp.blend)

Michael Economy commented

2020-06-19 17:43:09 +02:00

OK, I see the issue now, it occurs when you remove the vertex group, then try and undo that operation. This is kind of described in the other ticket.

Steps to recreated (NEW):

have a model with multiple populated vertex groups (a, b, c)
enter edit mode
select the top vertex group (a)
hit the '-' button to remove the vertex group
undo (control-z)

issues this creates:

vertex group not recreated. (described in other issue)
all of the vertexes that previously belonged to a are reassigned to b, b to c, etc - and since undoing got you into this mess, you will have to revert your file and redo your work.

OK, I see the issue now, it occurs when you remove the vertex group, then try and undo that operation. This is kind of described in the other ticket. Steps to recreated (NEW): 1) have a model with multiple populated vertex groups (a, b, c) 2) enter edit mode 3) select the top vertex group (a) 4) hit the '-' button to remove the vertex group 5) undo (control-z) issues this creates: 1) vertex group not recreated. (described in other issue) 2) all of the vertexes that previously belonged to a are reassigned to b, b to c, etc - and since undoing got you into this mess, you will have to revert your file and redo your work.

Germano Cavalcante commented

2020-06-19 19:58:05 +02:00

In #78022#958580, @michaeleconomy wrote:
OK, I see the issue now, it occurs when you remove the vertex group, then try and undo that operation. This is kind of described in the other ticket.

In this case, if you do not mind, I will merge the reports.

> In #78022#958580, @michaeleconomy wrote: > OK, I see the issue now, it occurs when you remove the vertex group, then try and undo that operation. This is kind of described in the other ticket. In this case, if you do not mind, I will merge the reports.

Germano Cavalcante commented

2020-06-19 19:59:23 +02:00

Closed as duplicate of #71980

Germano Cavalcante closed this issue

2020-06-19 19:59:23 +02:00

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removing vertex group reassigns all other vertex groups, removing a vertex group is not undo-able #78022