Multires modifier normal corruption on apply base #35513

New Issue

michalis zissiou · 2013-05-26T21:12:30+02:00

michalis zissiou commented

2013-05-26 21:12:30 +02:00

%%%--- Operating System, Graphics card ---
OSX 10.6.8
MacPro dualXeon 16 threads, 24 GB RAM.
ATI HD 5880

also tested on ubuntu 13.04
NVIDIA 540M GT
intel i5 8GB RAM

- Blender version with error, and version that worked ---

r57019
- Short description of error ---
  Applying base on a sculted model corrupts the normals and the operation only proceeds on undo
- Steps for others to reproduce the error (preferably based on attached .blend file) ---
  On default Cube:

Add subsurf modifier at level 6 and apply it
Add multiresolution modifier and add a few levels of subdivision
Sculpt something with enough strength to make significant displacement, for example using a grab brush
Press Apply base
From the modifier options decrease the sculpt level to zero.
Notice that there's a "Not supported in sculpt mode" warning!?!
Notice that the normals are corrupted
Do undo (Ctrl-Z).Apply base is now applied properly.%%%

%%%--- Operating System, Graphics card --- OSX 10.6.8 MacPro dualXeon 16 threads, 24 GB RAM. ATI HD 5880 also tested on ubuntu 13.04 NVIDIA 540M GT intel i5 8GB RAM - Blender version with error, and version that worked --- - r57019 - Short description of error --- Applying base on a sculted model corrupts the normals and the operation only proceeds on undo - Steps for others to reproduce the error (preferably based on attached .blend file) --- On default Cube: * Add subsurf modifier at level 6 and apply it * Add multiresolution modifier and add a few levels of subdivision * Sculpt something with enough strength to make significant displacement, for example using a grab brush * Press Apply base * From the modifier options decrease the sculpt level to zero. * Notice that there's a "Not supported in sculpt mode" warning!?! * Notice that the normals are corrupted * Do undo (Ctrl-Z).Apply base is now applied properly.%%%

michalis zissiou commented

2013-05-26 21:12:30 +02:00

Changed status to: 'Open'

Sergey Sharybin commented

2013-05-27 13:01:19 +02:00

%%%Could not reproduce the issue on linux 64bit.%%%

Antonis Ryakiotakis commented

2013-05-27 21:19:00 +02:00

%%%Hi Sergey, on both this and #35515 I was present with Michalis so I can verify the bug happens (The second machine is mine), and I can also see it on Windows. We forgot to add that to see it you need smooth shading on the sphere.%%%

Sergey Sharybin commented

2013-05-28 10:41:29 +02:00

%%%Ah, Antony, this was crucial information :)

Fixed in svn rev57071.

Thanks for the report, closing now!%%%

%%%Ah, Antony, this was crucial information :) Fixed in svn rev57071. Thanks for the report, closing now!%%%

Sergey Sharybin commented

2013-05-28 10:41:29 +02:00

Changed status from 'Open' to: 'Resolved'

Sergey Sharybin closed this issue

2013-05-28 10:41:29 +02:00

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Multires modifier normal corruption on apply base #35513