Blender : Mesh to Curve : Hard crash when target mesh has a object shrinkwrapped to it #50899

New Issue

Carlo Andreacchio · 2017-03-09T07:52:16+01:00

Carlo Andreacchio commented

2017-03-09 07:52:16 +01:00

System Information
Windows 7 x64, gtx 580

Blender Version
Broken: r59815 (2.68), 810d7d4 (2.78)
Worked r59223 (2.68)

Short description of error
When you have an object which you have another object shrinkwrapped to it, and you convert it to curve. it hard crashes blender

Exact steps for others to reproduce the error

open attached blend file
alt c
select curve from mesh
crash
crash.blend

**System Information** Windows 7 x64, gtx 580 **Blender Version** Broken: r59815 (2.68), 810d7d4 (2.78) Worked r59223 (2.68) **Short description of error** When you have an object which you have another object shrinkwrapped to it, and you convert it to curve. it hard crashes blender **Exact steps for others to reproduce the error** 1. open attached blend file 2. alt c 3. select curve from mesh 4. crash [crash.blend](https://archive.blender.org/developer/F505916/crash.blend)

Carlo Andreacchio commented

2017-03-09 07:52:16 +01:00

Changed status to: 'Open'

Carlo Andreacchio commented

2017-03-09 07:52:16 +01:00

Added subscriber: @candreacchio

Germano Cavalcante commented

2017-03-10 06:45:40 +01:00

Added subscriber: @mano-wii

Germano Cavalcante commented

2017-03-10 06:45:40 +01:00

I see two solutions here:

Make the Shrinkwrap also work for curves or ...
Before starting the conversion, make sure that no mesh is using this object as a Shrinkwrap target.

I see two solutions here: - Make the Shrinkwrap also work for curves or ... - Before starting the conversion, make sure that no mesh is using this object as a Shrinkwrap target.

Carlo Andreacchio commented

2017-03-10 06:54:47 +01:00

The previous way it was handled in blender was just to unset the shrinkwrap targets before the conversion. As shrink wraps do not work with curves & nurbs surfaces, I would assume that it would be better just to unset pre conversion.

The main reason for this bug is just to prevent blender from having hard crashes, as one of our artists did it by accident and realised what he had done.

The previous way it was handled in blender was just to unset the shrinkwrap targets before the conversion. As shrink wraps do not work with curves & nurbs surfaces, I would assume that it would be better just to unset pre conversion. The main reason for this bug is just to prevent blender from having hard crashes, as one of our artists did it by accident and realised what he had done.

blender-admin commented

2017-03-10 17:51:04 +01:00

This issue was referenced by a81ea40836

This issue was referenced by a81ea408367abe2f33b351ff6dcc6b09170fd088

Germano Cavalcante commented

2017-03-10 17:52:07 +01:00

Changed status from 'Open' to: 'Resolved'

Germano Cavalcante closed this issue

2017-03-10 17:52:07 +01:00

Carlo Andreacchio commented

2017-03-11 00:00:39 +01:00

Thanks for the fix :)

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Blender : Mesh to Curve : Hard crash when target mesh has a object shrinkwrapped to it #50899