[petsc-users] VTK format?

[Barry Smith]

> On Sep 3, 2020, at 10:47 AM, Jed Brown <jed at jedbrown.org> wrote:
> 
> I'd have deleted the legacy vtk many years ago, but Matt says he uses it.

  So he is plotting garbage or he never uses the broken stuff so it can be errorred out?


> 
> On Thu, Sep 3, 2020, at 9:45 AM, Barry Smith wrote:
>> 
>>   Shouldn't this, "just work". PETSc should not be dumping unreadable garbage into any files, does the broken PETSc code need to be removed, or error out until it can be fixed?
>> 
>>   Barry
>> 
>> 
>>> On Sep 3, 2020, at 9:53 AM, Jed Brown <jed at jedbrown.org <mailto:jed at jedbrown.org>> wrote:
>>> 
>>> Use the xml format (not the legacy format) by naming your file.vtu instead of file.vtk
>>> 
>>> On Thu, Sep 3, 2020, at 8:17 AM, Berend van Wachem wrote:
>>>> Dear PETSc,
>>>> 
>>>> What is the best way to write data from a DMPLEX vector to file, so it 
>>>> can be viewed with paraview?
>>>> I've found that the standard VTK format works for a serial job, but if 
>>>> there is more than 1 processor, the geometry data gets messed up.
>>>> I've attached a small working example for a cylinder and the visualised 
>>>> geometry with paraview for 1 processors and 4 processors.
>>>> Any pointers or "best practice" very much appreciated.
>>>> 
>>>> Best regards,
>>>> 
>>>> Berend.
>>>> 
>>>> 
>>>> 
>>>> 
>>>> Attachments:
>>>> visualisemesh-1proc.png
>>>> visualisemesh-4proc.png
>>>> visualizemesh.c

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