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Mantaflow is unable to bake fluid simulations on non-ASCII file paths
Closed, ResolvedPublicBUG

Description

System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 432.00

Blender Version
Broken: version: 2.82 (sub 6), branch: master, commit date: 2020-02-11 14:45, hash: rBc939b4df18e9

Short description of error
Mantaflow can not bake fluid simulations within directories named with special characters. When baking process starts, the cache_fluid folder is created normally, but no data is written in.

Exact steps for others to reproduce the error
Create a new .blend file and save it in a directory named with non-ASCII characters (e.g. "D:/Simulação"). Make a Quick Liquid simulation then bake it.

Event Timeline

Germano Cavalcante (mano-wii) changed the task status from Needs Triage to Confirmed.Thu, Feb 13, 7:22 PM
Germano Cavalcante (mano-wii) triaged this task as High priority.
Germano Cavalcante (mano-wii) changed the subtype of this task from "Report" to "Bug".

I can confirm.
Setting high priority as it is a regression.

Ok interesting, can confirm this too. From the code it looks like this is a Windows only issue.

Sebastián Barschkis (sebbas) reopened this task as Confirmed.Wed, Feb 19, 3:17 PM

rB4453509d83dc only solved half of the problem. The zlib file IO functions in Manta itself need some adjustments too. Reopening until that's fixed.

And rBb8af5e10620f should fix the other half of the problem!