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GPencil Weights shift when the Points are changed in Edit Mode
Closed, ResolvedPublic

Description

System Information
Operating system: Linux-5.2.2-arch1-1-ARCH-x86_64-with-arch 64 Bits
Graphics card: GeForce GTX 1080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 430.34

Blender Version
Broken: version: 2.80 (sub 75), branch: master, commit date: 2019-07-26 15:34, hash: rB79ce2054d436
Worked: (optional)

Short description of error
See this very short demo:

This can be very problematic when you have a rigged GP-Object and need to make adjustments because it didn't deform well. (Can be tricky to get right.

The expected behavior
All the points that are kept, keep their values unchanged

Exact steps for others to reproduce the error

  1. Add Grease Pencil Object.
  2. Paint
  3. Edit the weights in Weight Paint Mode
  4. Change the points in Edit Mode (delete or add)
  5. Compare original weights and Weights after the operation in Edit Mode

Event Timeline

Antonio Vazquez (antoniov) lowered the priority of this task from Needs Triage by Developer to Confirmed, Medium.
Antonio Vazquez (antoniov) renamed this task from Grease Pencil Weights shift when the Points are changed in Edit Mode to GPencil Weights shift when the Points are changed in Edit Mode.Jul 28 2019, 11:32 AM

@Michael Hermann (245) I have the fix for this too... the same reason I cannot commit of T67813