Average Scale Bone Driver #120571

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opened 2024-04-12 14:34:03 +02:00 by Coconuts-XXS · 4 comments

Coconuts-XXS commented

2024-04-12 14:34:03 +02:00

System Information
Operating system: Apple M2 Pro, macOS Somona, macOS-14.2-arm64-arm-64bit
Graphics card: GPU 19 Cores

Blender Version
Broken: version: 4.0.2, branch: blender-v4.0-release, commit date: 2023-12-05 07:41, hash: 9be62e85b7, type: release
Worked: (newest version of Blender that worked as expected)

Quick Description
Average scale driver value become randomly 0 or infinity.

How to reproduce
Create a shader, a color ramp and link the color ramp to the surface output.
Create a single bone. Add a driver to the ramp fac relative to the bone and set in average scale and in local or transform space. Enable and disable the collection or move the timeline until the driver value is not equal to 1.
If that dont work add a scale constraint to the bone between 0 and 1 scale and retry.

**System Information** Operating system: Apple M2 Pro, macOS Somona, macOS-14.2-arm64-arm-64bit Graphics card: GPU 19 Cores **Blender Version** Broken: version: 4.0.2, branch: blender-v4.0-release, commit date: 2023-12-05 07:41, hash: 9be62e85b727, type: release Worked: (newest version of Blender that worked as expected) **Quick Description** Average scale driver value become randomly 0 or infinity. **How to reproduce** Create a shader, a color ramp and link the color ramp to the surface output. Create a single bone. Add a driver to the ramp fac relative to the bone and set in average scale and in local or transform space. Enable and disable the collection or move the timeline until the driver value is not equal to 1. If that dont work add a scale constraint to the bone between 0 and 1 scale and retry.

Coconuts-XXS added the

labels 2024-04-12 14:34:04 +02:00

Iliya Katushenock added the

Animation & Rigging

label 2024-04-12 14:44:07 +02:00

Iliya Katushenock commented

2024-04-12 15:50:33 +02:00

Member

Thanks for report, i can't reproduce your issue. average scale simply doesn't work in my attempts.

Thanks for report, i can't reproduce your issue. `average scale` simply doesn't work in my attempts.

Pratik Borhade commented

2024-04-15 07:12:23 +02:00

Member

Hi, thanks for the report. Unable to confirm either. Maybe we're missing some steps here.

move the timeline until the driver value is not equal to 1.

Did you animate the scale value here? Can you share affected blend file?

Hi, thanks for the report. Unable to confirm either. Maybe we're missing some steps here. > move the timeline until the driver value is not equal to 1. Did you animate the scale value here? Can you share affected blend file?

Pratik Borhade added

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labels 2024-04-15 07:12:42 +02:00

Coconuts-XXS commented

2024-04-21 17:09:32 +02:00

Author

Hi, thanks for the report. Unable to confirm either. Maybe we're missing some steps here.

move the timeline until the driver value is not equal to 1.

Did you animate the scale value here? Can you share affected blend file?

Hello sorry for the delay, I could not send large files because of my weak connection. Here is the file where there is the bug, it affects the eyes of the character whose texture size is dependent on a bone.
I hope this helps you understand better.

> Hi, thanks for the report. Unable to confirm either. Maybe we're missing some steps here. > > move the timeline until the driver value is not equal to 1. > > Did you animate the scale value here? Can you share affected blend file? Hello sorry for the delay, I could not send large files because of my weak connection. Here is the file where there is the bug, it affects the eyes of the character whose texture size is dependent on a bone. I hope this helps you understand better.

Scale Driver Bug Exemple.blend

7.4 MiB

Pratik Borhade commented

2024-04-23 11:53:28 +02:00

Member

Thanks for the file. Can confirm. I noticed 2 drivers controlling one property. Not sure how you did this but removing 2nd driver (z location) resolves this. Can you check?

Thanks for the file. Can confirm. I noticed 2 drivers controlling one property. Not sure how you did this but removing 2nd driver (z location) resolves this. Can you check? ![image](/attachments/36cd0fd2-cce7-4383-b01b-b58b7b142aaf)

566 KiB

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