Curve to mesh wont work depending on transform for Bezier type #100796
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Reference: blender/blender#100796
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System Information
Operating system: Linux-5.15.0-46-generic-x86_64-with-glibc2.31 64 Bits
Graphics card: NVIDIA GeForce GTX 980/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 470.141.03
Blender Version
Broken: version: 3.2.2, branch: master, commit date: 2022-08-02 18:15, hash:
bcfdb14560
Worked: (newest version of Blender that worked as expected)
Short description of error
Curve to mesh wont work depending on transform for Bezier type:
Exemple 1: OK for a translation of z=18.8
Exemple 2: KO or a translation of z=18.9
NB: This weird behaviour happens with Bezier type only
Exact steps for others to reproduce the error
With the following blend file, you can test differents values of z for the translation
PB-GN-Spline.blend
NOTE: This is affected by the curve shape
Twist Method
. Changing this to anything butMinimum
will only fail for the start and endpointAdded subscriber: @thierrykobyleski
Added subscriber: @lichtwerk
Changed status from 'Needs Triage' to: 'Confirmed'
Can confirm, will check
This is affected by the curve shape
Twist Method
. Changing this to anything butMinimum
will only fail for the start and endpointAdded subscriber: @JacquesLucke
The root issue here is that the first and last point in the curve is duplicated. We have some code to deal with situations like this, but I'm not sure why it fails in this example yet.
Thx checking (I did not notice).
I believe we can even close the report then? (even if there is code to auto-remove-doubles, this could fail in other scenarios, too, no? so there is no garuantee this will work nicely everywhere)
Changed status from 'Confirmed' to: 'Needs Developer To Reproduce'
Thank you for the information about the duplicated handles. Everything works fine now for me when removing those doubles. But it is quite bewildering that it looks like working for many values of the translation but not for others.
Thank you again for having helped me discover what was going wrong and for the great work blender is .
This issue was referenced by
8000d52684
Changed status from 'Needs Developer To Reproduce' to: 'Resolved'