8000 Particle data cannot be read in Paraview · Issue #111 · blueCFD/Core · GitHub
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Particle data cannot be read in Paraview #111
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@kyounes14

Description

@kyounes14

The issue seems to be coming from the positions file written at each time step of a Lagrangian simulation.

Notable references/previous issues include:
https://gitlab.kitware.com/paraview/paraview/issues/17038
https://gitlab.kitware.com/paraview/paraview/issues/16833
https://bugs.openfoam.org/view.php?id=2196

Error message reads:
Expected punctuation token ')', found []

Has the output of a Lagrangian simulation change in the most recent release? I noticed that the position data is no longer 3 scalar values followed with a cellID, but 4 scalar values instead. I was previously running OpenFOAM 4.x on Paraview 5.1.2 with no problems (blueCFD-Core 2016-1).

I tried outputting in both binary and ascii and the error persists. I also installed Paraview 5.1.2 to check if the error is in recent Paraview releases, but it did not go away. My current workaround is running foamToVTK after every simulation and post-processing, but it is time consuming. I would like to use the default paraFoam function right away.

Steps to reproduce:
1- Go to $FOAM_Tutorials\lagrangian\sprayFoam\aachenBomb
2- Run using sprayFoam for at least one time step (5e-005)
3- Post-process using paraFoam
4- Error pops up after clicking Apply in Paraview 5.4.1

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