"Trim Hair Curves" sets new curves to object origin #105089

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opened 2023-02-22 18:33:55 +01:00 by Julien Kaspar · 4 comments
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System Information
Operating system: Linux-6.1.12-gentoo-x86_64-AMD_Ryzen_Threadripper_1950X_16-Core_Processor-with-glibc2.36 64 Bits
Graphics card: Quadro GP100/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 525.89.02

Blender Version
Broken: version: 3.6.0 Alpha, branch: HEAD (modified), commit date: 2023-02-20 18:17, hash: cc925b928289
Worked: (newest version of Blender that worked as expected)

Short description of error
This is a problem that I noticed with the Essentials Assets. More specifically the "Trim Hair Curves" node group.
When adding this node group it resets the curve position of any newly added curves to the object origin.
I can't explain why or how the other curves are special.

Node group asset effect: OFF Node group asset effect: ON
image image

This is possibly something for @SimonThommes to look into.

.blend file to reproduce
bug.blend

**System Information** Operating system: Linux-6.1.12-gentoo-x86_64-AMD_Ryzen_Threadripper_1950X_16-Core_Processor-with-glibc2.36 64 Bits Graphics card: Quadro GP100/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 525.89.02 **Blender Version** Broken: version: 3.6.0 Alpha, branch: HEAD (modified), commit date: 2023-02-20 18:17, hash: `cc925b928289` Worked: (newest version of Blender that worked as expected) **Short description of error** This is a problem that I noticed with the Essentials Assets. More specifically the "Trim Hair Curves" node group. When adding this node group it resets the curve position of any newly added curves to the object origin. I can't explain why or how the other curves are special. | Node group asset effect: OFF | Node group asset effect: ON | | -- | -- | | ![image](/attachments/59f8fef0-8988-4b89-a762-ae64ed070a4c) | ![image](/attachments/de2e8bef-3a49-45c7-80d9-f2ae046459e0) | This is possibly something for @SimonThommes to look into. **.blend file to reproduce** [bug.blend](/attachments/e247e9d1-d367-44bc-b6fe-cf225c788d3d)
Julien Kaspar added the
Priority
Normal
Status
Needs Triage
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Report
labels 2023-02-22 18:33:55 +01:00

@SimonThommes @JacquesLucke @HooglyBoogly We need to clarify the situation. Should brushes do 0 hair resolution for bezier? How should node group assets react to this?

@SimonThommes @JacquesLucke @HooglyBoogly We need to clarify the situation. Should brushes do 0 hair resolution for bezier? How should node group assets react to this?
Member

Well 0 doesn't make any sense for a resolution, right? In any case for 0 it should probably just fallback to the default (12 afaik). We talked about this in a different context previously.
I'm not entirely sure how the 0 came to be here, I haven't had this issue in the past.

Well 0 doesn't make any sense for a resolution, right? In any case for 0 it should probably just fallback to the default (12 afaik). We talked about this in a different context previously. I'm not entirely sure how the 0 came to be here, I haven't had this issue in the past.

In 3.3 new hair has 0 resolution when created by brushe (not sure if there is a setting for this)...

In 3.3 new hair has 0 resolution when created by brushe (not sure if there is a setting for this)...
Hans Goudey added
Status
Confirmed
Type
Bug
and removed
Status
Needs Info from Developers
Type
Report
labels 2023-02-22 20:29:14 +01:00
Hans Goudey added this to the 3.5 milestone 2023-02-22 20:29:14 +01:00
Member

I made a PR that will stop the 0 resolutions from being created. To fix this file though, the resolution attribute should be removed.

I made a PR that will stop the 0 resolutions from being created. To fix this file though, the resolution attribute should be removed.
Blender Bot added
Status
Resolved
and removed
Status
Confirmed
labels 2023-02-23 13:46:54 +01:00
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Reference: blender/blender#105089
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