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Maniphest T87527

ABC retiming
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Description

System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce RTX 3090/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 461.72

Blender Version
Broken: version: 2.93.0 Alpha, branch: master, commit date: 2021-02-17 20:05, hash: rB78116a1edc9b
Worked: N/A

Short description of error
The "Override Frame" channel of the MeshSequenceCache modifier, if animated, its keyframes don't appear in graph editor

Exact steps for others to reproduce the error
Open Blender - import an *.abc file - select the modifiers properties tab - check "override frame" in the MeshSequenceCache - make a keyframe on frame 0 and another one on last frame -> the animation curve doesnt' show in the graph editor
[Based on the default startup or an attached .blend file (as simple as possible)]

Related Objects

Event Timeline

Alexandru Pop (paludez) created this task.Apr 15 2021, 3:54 PM
Alexandru Pop (paludez) updated the task description. (Show Details)Apr 16 2021, 9:50 AM
Falk David (filedescriptor) changed the task status from Needs Triage to Needs Information from User.Apr 20 2021, 5:41 PM
Falk David (filedescriptor) added a subscriber: Falk David (filedescriptor).

Do you have the "Only Show Selected" option turned off?

Alexandru Pop (paludez) added a comment.Apr 20 2021, 8:33 PM

Hi Falk,
I didn't had it turned off - as I turned it off the curve appeared in the graph editor - thank you for the workaround!
As I understand from the description the "only show selected" button if pressed, only shows channels related to selected objects and data - so it should have been showing the keys from the modifier in the editor.
Before I reported the bug I've tried animating a channel in the bevel modifier and it worked as it should be - the keys of the modifier showed in the graph editor with the "only show selected" button pressed
Another strange thing happens if I delete the imported .abc object - the keys still show in the graph editor

Falk David (filedescriptor) changed the task status from Needs Information from User to Needs Triage.Apr 26 2021, 8:06 AM
Philipp Oeser (lichtwerk) added a subscriber: Philipp Oeser (lichtwerk).Aug 16 2021, 10:16 AM

Sorry this has been lying around for so long.

This is already on the list, see T69058: Alembic integration improvements, specifically T73200: Alembic: show animdata on CacheFile as sub-animdata of objects, will merge these reports.

Philipp Oeser (lichtwerk) closed this task as a duplicate of T73200: Alembic: show animdata on CacheFile as sub-animdata of objects.Aug 16 2021, 10:16 AM