Alembic incomplete crease import #70021
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Reference: blender/blender#70021
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System Information
Operating system: Windows-10-10.0.17763 64 Bits
Graphics card: GeForce RTX 2080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 436.02
Blender Version
Broken: version: 2.81 (sub 11), branch: master, commit date: 2019-09-17 19:54, hash:
9609840b5eWorked: Never, 2.80 seems to have no crease support
Short description of error
A mesh exported via Alembic from Maya with edge creases appears in Blender with some edges missing the crease values.
Exact steps for others to reproduce the error
Import attached abc file. Switch to edit mode, observe gaps in creases.
The same file has been imported back to Maya, and the creases are properly preserved.
EDIT: Attached screenshot from Maya (car in white, crease edges in bold)
sports.abc
[Based on the default startup or an attached .blend file (as simple as possible)]
Added subscriber: @Frand
Added subscribers: @dr.sybren, @mont29
@dr.sybren think that one is for you. :)
Please give us enough information to reproduce the issue. Without knowing which edges are missing creases it's hard to figure out what's going wrong. This could be as simple as drawing a few lines where creases are missing in a different colour on top of the already-attached screenshot.
Added subscriber: @brecht
Probably the creases are meant to be symmetric?
Updated with a Maya screengrab. Creases are most prominent on the hood of the car, and the seats. There are also crease loops in the fenders. Thank you for looking into this.
This issue was referenced by
5883b6fde2Changed status from 'Open' to: 'Resolved'
Fix confirmed on this end as well, thank you!