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Multires; Objects altered by sculpts will see slow corruption of tangents whenever the 'subdivide' and 'apply base' buttons are pressed.
Closed, DuplicatePublic

Description

System Information
Operating system: Win10 64 bit
Graphics card: Nvidia GTX 1060 6GB (November drivers)

Blender Version
Broken:
2.8 hash ba1f178c1c8)
Worked: Unknown

Short description of error
When doing any sort of sculpting. Knicks, spikes, and discontinuities will develop 100 percent of the time when the 'subdivide' and 'apply base' buttons are pressed, even starting on a low-poly sphere at Multires level 6 with just a few random strokes. Both times, they will appear in the same locations, and apparently near the corners of the various patches produced by the modifier. Pressing the 'apply base' button won't create new knicks and spikes elsewhere on the mesh, but just make the existing ones bigger and uglier.

Exact steps for others to reproduce the error
Open the .blend file and press the 'apply base' button a bunch of times, the more times the worse it gets. Then reopen and notice the same knicks when the 'subdivide' button is pressed.

Blend file

There's no fully sculpted head or creature here and it's just a few strokes on a low-poly sphere, anyone can create the same issue in about a minute. Hopefully these issues can be squashed for good as a result.

Details

Type
Bug

Event Timeline

Adam Friesen (ace_dragon) updated the task description. (Show Details)
Adam Friesen (ace_dragon) updated the task description. (Show Details)
Adam Friesen (ace_dragon) updated the task description. (Show Details)
Adam Friesen (ace_dragon) renamed this task from Multires; Objects altered by sculpts will see slow corruption of tangents when 'subdivide' and 'apply base' is pressed. to Multires; Objects altered by sculpts will see slow corruption of tangents whenever the 'subdivide' and 'apply base' buttons are pressed..Dec 15 2018, 5:13 AM