Grease Pencil: Fill tool results are inconsistent and often unusable #87622

New Issue

Tomasz Kaye · 2021-04-19T12:10:05+02:00

Tomasz Kaye commented

2021-04-19 12:10:05 +02:00

System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce RTX 2060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 457.30

Blender Version
Broken: version: 2.93.0 Alpha, branch: master, commit date: 2021-04-07 21:03, hash: b7b1b2325c

Short description of error
Fill tool results are inconsistent over different viewport pan and zoom settings. Can't reliably fill a shape the way i expect.

Video of example. The leftmost leg (the viewer's left, not the character's) is sometimes filled as expected, but most of the time the fill crosses the edge of the shape.
https://youtu.be/hiUHb7ZG0u8

Exact steps for others to reproduce the error

open the attached blend
try this repeatedly: fill the leftmost leg, undo the fill, adjust panning and/or zooming of the viewport
the leg doesn't get filled in a consistent way, most of the time the fill is unusable.

inconsistentfill.blend

**System Information** Operating system: Windows-10-10.0.18362-SP0 64 Bits Graphics card: GeForce RTX 2060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 457.30 **Blender Version** Broken: version: 2.93.0 Alpha, branch: master, commit date: 2021-04-07 21:03, hash: `b7b1b2325c` **Short description of error** Fill tool results are inconsistent over different viewport pan and zoom settings. Can't reliably fill a shape the way i expect. Video of example. The leftmost leg (the viewer's left, not the character's) is sometimes filled as expected, but most of the time the fill crosses the edge of the shape. https://youtu.be/hiUHb7ZG0u8 **Exact steps for others to reproduce the error** * open the attached blend * try this repeatedly: fill the leftmost leg, undo the fill, adjust panning and/or zooming of the viewport * the leg doesn't get filled in a consistent way, most of the time the fill is unusable. [inconsistentfill.blend](https://archive.blender.org/developer/F9985855/inconsistentfill.blend)

Tomasz Kaye commented

2021-04-19 12:10:05 +02:00

Added subscriber: @info-27

Falk David commented

2021-04-19 12:29:16 +02:00

Added subscriber: @filedescriptor

Falk David commented

2021-04-19 12:29:16 +02:00

This is a known issue with the current implementation. The fill tool works by grabbing the current frame buffer (basically) and then filling the pixel data of it and finally reprojecting the points of the stroke into 3d space. Ideally, this would work using booleans, but we don't have that yet.

Falk David commented

2021-04-19 12:29:45 +02:00

Changed status from 'Needs Triage' to: 'Confirmed'

Tomasz Kaye commented

2021-04-19 13:11:09 +02:00

ah thanks. i guess i'd gotten lucky before, didn't notice this difficulty.

Philipp Oeser removed the

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Grease Pencil: Fill tool results are inconsistent and often unusable #87622