[petsc-users] Doubt about TSMonitorSolutionVTK

[MIGUEL MOLINOS PEREZ]

Dear Matthey,

Sorry for the late response.

Yes, I get output when I run the example mentioned by Barry.

The output directory should not be an issue since with the exact same configuration works for hdf5 but not for vtk/vts/vtu.

I’ve been doing some tests and now I think this issue might be related to the fact that the output vector was generated using a SWARM discretization. Is this possible?

Best,
Miguel

On Jun 27, 2024, at 4:59 AM, Matthew Knepley <knepley at gmail.com> wrote:

Do you get output when you run an example with that option? Is it possible that your current working directory is not what you expect? Maybe try putting in an absolute path.

  Thanks,

    Matt

On Wed, Jun 26, 2024 at 5:30 PM MIGUEL MOLINOS PEREZ <mmolinos at us.es<mailto:mmolinos at us.es>> wrote:
Sorry, I did not put in cc petsc-users@ mcs. anl. gov my replay. Miguel On Jun 24, 2024, at 6: 39 PM, MIGUEL MOLINOS PEREZ <mmolinos@ us. es> wrote: Thank you Barry, This is exactly how I did it the first time. Miguel On Jun 24, 2024, at 6: 37
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Sorry, I did not put in cc petsc-users at mcs.anl.gov<mailto:petsc-users at mcs.anl.gov> my replay.

Miguel

On Jun 24, 2024, at 6:39 PM, MIGUEL MOLINOS PEREZ <mmolinos at us.es<mailto:mmolinos at us.es>> wrote:

Thank you Barry,

This is exactly how I did it the first time.

Miguel

On Jun 24, 2024, at 6:37 PM, Barry Smith <bsmith at petsc.dev<mailto:bsmith at petsc.dev>> wrote:


   See, for example, the bottom of src/ts/tutorials/ex26.c  that uses -ts_monitor_solution_vtk 'foo-%03d.vts'


On Jun 24, 2024, at 8:47 PM, MIGUEL MOLINOS PEREZ <mmolinos at us.es<mailto:mmolinos at us.es>> wrote:

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Dear all,

I want to monitor the results at each iteration of TS using vtk format. To do so, I add the following lines to my Monitor function:

char vts_File_Name[MAXC];
PetscCall(PetscSNPrintf(vts_File_Name, sizeof(vts_File_Name),
"./xi-MgHx-hcp-cube-x5-x5-x5-TS-BE-%i.vtu", step));
PetscCall(TSMonitorSolutionVTK(ts, step, time, X, (void*)vts_File_Name));

My script compiles and executes without any sort of warning/error messages. However, no output files are produced at the end of the simulation. I’ve also tried the option “-ts_monitor_solution_vtk <filename-%03D.vts>”, but I got no results as well.

I can’t find any similar example on the petsc website and I don’t see what I am doing wrong. Could somebody point me to the right direction?

Thanks,
Miguel





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What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.
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