Voxel Remesh Modifier - No Minimum Cap on Voxel Size? Crash on 0 value. #90272

Closed
opened 2021-07-28 19:34:30 +02:00 by Jared Kuvent · 6 comments

System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 2080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 471.41

Blender Version
Broken: version: 2.93.2 Release Candidate, branch: master, commit date: 2021-07-27 12:05, hash: 45ed762124
Worked: n/a

Short description of error
There doesn't seem to be an apparent minimum for the Modifiers > Remesh > Voxel > Voxel Size. If a user adjusts the voxel size using the interface, or by typing in a value of 0, Blender consumes 100% of CPU and RAM until Blender or system crash.

Exact steps for others to reproduce the error

On default startup:

  • Add to default cube: Modifier > Remesh > Voxel
  • Set voxel size to 0
  • Watch your motherboard burst into flames

Based on default setup.

**System Information** Operating system: Windows-10-10.0.19041-SP0 64 Bits Graphics card: NVIDIA GeForce RTX 2080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 471.41 **Blender Version** Broken: version: 2.93.2 Release Candidate, branch: master, commit date: 2021-07-27 12:05, hash: `45ed762124` Worked: n/a **Short description of error** There doesn't seem to be an apparent minimum for the Modifiers > Remesh > Voxel > Voxel Size. If a user adjusts the voxel size using the interface, or by typing in a value of 0, Blender consumes 100% of CPU and RAM until Blender or system crash. **Exact steps for others to reproduce the error** On default startup: - Add to default cube: Modifier > Remesh > Voxel - Set voxel size to 0 - Watch your motherboard burst into flames Based on default setup.
Author

Added subscriber: @Microweb4

Added subscriber: @Microweb4

Added subscriber: @DarkKnight

Added subscriber: @DarkKnight

Did you slide the value or typed it in? I am for a soft limit when sliding the value but typing can be anything above 0. Mentioned it a couple of times also in the node thread where someone ported it to nodes.. Even though it might not be a bug in its definition, this feature should be added.

Did you slide the value or typed it in? I am for a soft limit when sliding the value but typing can be anything above 0. Mentioned it a couple of times also in the node thread where someone ported it to nodes.. Even though it might not be a bug in its definition, this feature should be added.

Closed as duplicate of #77868

Closed as duplicate of #77868

Added subscriber: @rjg

Added subscriber: @rjg

This should be partly addressed by D9074 and e95f71bf15 by using a logarithmic scale for the slider in Blender 3.0.0. It avoids accidentally dragging it close to zero which causes out of memory issues because there far too many small voxels.

This should be partly addressed by [D9074](https://archive.blender.org/developer/D9074) and e95f71bf15 by using a logarithmic scale for the slider in Blender 3.0.0. It avoids accidentally dragging it close to zero which causes out of memory issues because there far too many small voxels.
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Reference: blender/blender#90272
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