Maniphest T77263

Mantaflow: Cache gets deleted at changing upres factor under Particles section.
Closed, Resolved
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Assigned To
Sebastián Barschkis (sebbas)
Authored By
Stefano Lazzaroni (Lazzaro)
Jun 2 2020, 11:31 AM
Tags
  • BF Blender
  • Nodes & Physics
Subscribers
Ankit Meel (ankitm)
Richard Antalik (ISS)
Stefano Lazzaroni (Lazzaro)

Description

System Information
Operating system: Windows-7-6.1.7601-SP1 64 Bits
Graphics card: AMD Mobility Radeon HD 5000 Series ATI Technologies Inc. 4.5.13399 Core Profile Context 15.200.1062.1004

Blender Version
Broken: version: 2.90 (sub 4), branch: master, commit date: 2020-05-28 18:34, hash: rB2deb6c517787
Worked: (newest version of Blender that worked as expected)

Short description of error
After baking fluid information (Liquid only) in modular caching, whenever you change the Upres Factor in Particles Section, Blender "randomly" wipes the cache. (Randomly cause since the documentation says nothing about particles section and I assume this behaviour is wrong).
In my opinion, looking at how it was developed, i think that changing everything in different Baked Section would only affect the changed section. It has no sense that Particles changes the Fluid.

Cache situation Pre changing upres (All normal)


Cache situation After changing upres (Randomly almost wiped)

Exact steps for others to reproduce the error

Simulation.blend939 KBDownload

Open the file, bake fluid data, then go to Particle section, change Upres factor.

Slightly related reports:
T76694: [Mantaflow] cache is deleted at changing upres factor
T76881: Selecting Fluid>Mesh>"Use Speed Vectors" deletes all existing cache without warning

Revisions and Commits

rB Blender
rBdbcc74f8010f Fix T77263: Mantaflow: Cache gets deleted at changing upres factor under…

Related Objects

Event Timeline

Stefano Lazzaroni (Lazzaro) created this task.Jun 2 2020, 11:31 AM
Stefano Lazzaroni (Lazzaro) updated the task description.Jun 2 2020, 11:35 AM
Stefano Lazzaroni (Lazzaro) updated the task description.
Stefano Lazzaroni (Lazzaro) renamed this task from Unexpected cache wiping to Unexpected Mantaflow cache wiping.Jun 2 2020, 11:47 AM
Ankit Meel (ankitm) renamed this task from Unexpected Mantaflow cache wiping to Mantaflow: Cache gets deleted at changing upres factor under Particles section. .Jun 2 2020, 1:21 PM
Ankit Meel (ankitm) updated the task description.
Ankit Meel (ankitm) added a project: Nodes & Physics.
Ankit Meel (ankitm) added a subscriber: Ankit Meel (ankitm).
Richard Antalik (ISS) changed the task status from Needs Triage to Confirmed.Jun 4 2020, 11:09 AM
Richard Antalik (ISS) added a subscriber: Richard Antalik (ISS).

since related reports have been fixed, I will confirm this as well. I think you should not be able to change upres without re-baking.

Jacques Lucke (JacquesLucke) mentioned this in D8065: Fluids: fix variable names.Jun 18 2020, 2:13 PM
Jacques Lucke (JacquesLucke) mentioned this in rB55ebf174bc9e: Fluids: fix variable names.Jun 18 2020, 2:28 PM
Sebastián Barschkis (sebbas) closed this task as Resolved by committing rBdbcc74f8010f: Fix T77263: Mantaflow: Cache gets deleted at changing upres factor under….Jul 14 2020, 6:12 PM
Sebastián Barschkis (sebbas) claimed this task.
Sebastián Barschkis (sebbas) added a commit: rBdbcc74f8010f: Fix T77263: Mantaflow: Cache gets deleted at changing upres factor under….