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Unable to export a single-frame animation to fbx correctly #104588

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opened 2023-05-05 11:54:34 +02:00 by Dmitry · 1 comment
Dmitry commented 2023-05-05 11:54:34 +02:00
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System Information*
Operating system: Windows 10
Graphics card: GTX 1070

Blender Version
Broken: 3.5.1
Worked: -

Addon Information
Name: FBX format (5, 1, 0)
Author: Campbell Barton, Bastien Montagne, Jens Restemeier, @Mysteryem

Short description of error
Unable to export animation with one frame and keys not on all bones in fbx
Screenshot_4.jpg

Exact steps for others to reproduce the error

  • Open attached .blend file or
    • Create simple armature with 2 bones.
    • Set the key on only one bone in first frame.
  • Try to export this armature and action to fbx.

If I set Simplify to 1, I get fbx without keys at all.
If I set Simplify to 0, I get Fbx with keys on all the bones, which I don’t need.

**System Information*** Operating system: Windows 10 Graphics card: GTX 1070 **Blender Version** Broken: 3.5.1 Worked: - **Addon Information** Name: FBX format (5, 1, 0) Author: Campbell Barton, Bastien Montagne, Jens Restemeier, @Mysteryem **Short description of error** Unable to export animation with one frame and keys not on all bones in fbx ![Screenshot_4.jpg](https://projects.blender.org/attachments/61ffb122-cdb7-4659-9bc5-c6136fa6ddee) **Exact steps for others to reproduce the error** - Open attached .blend file or - Create simple armature with 2 bones. - Set the key on only one bone in first frame. - Try to export this armature and action to fbx. If I set Simplify to 1, I get fbx without keys at all. If I set Simplify to 0, I get Fbx with keys on all the bones, which I don’t need.
test.blend
818 KiB
Screenshot_4.jpg
27 KiB
Dmitry added the
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Priority
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 labels 2023-05-05 11:54:34 +02:00
Germano Cavalcante commented 2023-05-05 16:28:21 +02:00
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I can confirm that the keyframe disappears, but I don't see much use in animation with a single keyframe.
Maybe it's not really a bug, but rather how FBX works.

I can confirm that the keyframe disappears, but I don't see much use in animation with a single keyframe. Maybe it's not really a bug, but rather how FBX works.
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Reference: blender/blender-addons#104588
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