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Maniphest T76417

Grease Pencil Weight Painting breaks when joining strokes
Closed, ResolvedPublicKNOWN ISSUE
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Description

System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce GTX 1060 3GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 445.87

Blender Version
Broken: version: 2.82 (sub 7), branch: master, commit date: 2020-03-12 05:06, hash: rB375c7dc4caf4
Worked: (optional)

Short description of error
When joining separate pre-painted GP strokes the weight of second stroke gets totally replaced by first one.

Exact steps for others to reproduce the error
Create a blank file
Create GP object, draw 2 squiggles and assign each to a separate vertex group


(for the sake of experiment I duplicated that entire GP object)
now join those 2 strokes with Ctrl+J
all vertex painting is now ruined

Revisions and Commits

rB Blender
rBbe498a21edd8 Fix T76417: Gpencil Join did not supported weight join

Event Timeline

Dmitrii (WeaselOnAStick) created this task.May 4 2020, 8:10 PM
Eitan Traurig (EitanSomething) added a project: Grease Pencil.May 4 2020, 8:11 PM
Antonio Vazquez (antoniov) changed the task status from Needs Triage to Confirmed.May 4 2020, 8:14 PM
Antonio Vazquez (antoniov) changed the subtype of this task from "Report" to "Known Issue".
Antonio Vazquez (antoniov) added a subscriber: Antonio Vazquez (antoniov).

This a know limitation actually.

Antonio Vazquez (antoniov) added a comment.May 4 2020, 8:14 PM

But I will try to add this feature.

Antonio Vazquez (antoniov) closed this task as Resolved by committing rBbe498a21edd8: Fix T76417: Gpencil Join did not supported weight join.May 5 2020, 12:52 PM
Antonio Vazquez (antoniov) claimed this task.
Antonio Vazquez (antoniov) added a commit: rBbe498a21edd8: Fix T76417: Gpencil Join did not supported weight join.
Dmitrii (WeaselOnAStick) added a comment.May 5 2020, 1:08 PM

Pardon my complete lack of git knowledge but how would I get a version of Blender with this fix applied?

Antonio Vazquez (antoniov) added a comment.EditedMay 5 2020, 2:59 PM

@Dmitrii (WeaselOnAStick) You don't need git, just download tomorrow the 2.90 daily build from here: https://builder.blender.org/download/

EDIT: The fix will be in the build of tomorrow or any date after the fix I did.