2024-06-03 Grease Pencil Module Meeting

Date/Time: 2024-06-03T14:00:00Z
Link: https://meet.google.com/xxo-tyin-rem

  • Amélie Fondevilla (LFS, Developer)
  • Anzumana Taal (Developer, QA)
  • Antonio Vazquez (Developer)
  • Daniel Martinez Lara (Grease Pencil team)
  • Falk David (Blender developer)
  • Lukas Tönne (Blender)
  • Matias Mendiola (Grease Pencil team)
  • Samuel Bernou (ADV Studio, Dev)
  • Sietse Brouwer (Developer)
  • Yiming Wu (Grease Pencil Line Art)


  • General updates
  • Development updates
  • Discussions

Meeting Notes

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  • Interpolation tool: There was a discussion about the selection order feature of the interpolation tool. This allowed users to “shift”-select multiple stroke pairs in edit mode that would then be used for the interpolation. For now, we decided to not port this feature. It would be better to come up with a better solution for a later release.
  • Python API: There was quite some discussions about the Python API, also with addon developers. For now the plan is:
    • Implement Option 2 as the core python API. For now, use the brute-force “loop over everything” approach to find the right drawing from a PointerRNA. This will hopefully be refactored with a better approach soon (see link). On top of the core API, we will implement a higher level python API. This should make the API overall more “pythonic” and also make it easier for addon developers to port their addons. See #122677: GPv3: High-level Python API.
  • Daniel: Shared some demos for the Grease Pencil VR prototype. Also wanted to demo some line cleanup and ink & paint fill tool using an addon.

Next Meeting

  • Time/Date: 2024-06-17T14:00:00Z