[petsc-users] Could use DMDA create dm write to gmsh format file?

[hu abel]

OK, Thanks

  abel

> On Apr 21, 2021, at 4:08 AM, Matthew Knepley <knepley at gmail.com> wrote:
> 
> On Tue, Apr 20, 2021 at 3:47 PM hu abel <hu.ds.abel at outlook.com <mailto:hu.ds.abel at outlook.com>> wrote:
> I tried 
> ./ex1 -dm_view vtk:ex1.vtu
> But get nothing, I using Petsc Release Version 3.15.0, Mar 30, 2021 
> Configured as
> 
> ./configure --prefix=$HOME/opt/petsc3 --with-zlib=1 \
>    --with-hypre=1 --download-hypre=yes \
>    --with-viennacl=1 --download-viennacl=yes \
>    --with-hdf5=1 --download-hdf5=yes \
>    --with-metis=1 --download-metis=yes \
>    --with-parmetis=1 --download-parmetis=yes \
>    --with-superlu=1 --download-superlu=yes \
>    --with-slepc=1 --download-slepc=yes \
>    --with-suitesparse=1 --download-suitesparse=yes \
>    --with-hpddm=1 --download-hpddm=yes \
>    --with-p4est=1 --download-p4est=yes \
>    --with-tetgen=1  --download-tetgen=yes \
>    --with-triangle=1  --download-triangle=yes \
>    --with-mumps=1 --download-mumps=yes \
>    --with-opengl=1 \
>    --with-scalapack=1 --download-scalapack=yes \
>    --with-debugging=no \
>    && make -j8 && make  install
> 
> Need add enable vtk in configure ?
> 
> Thanks.
> 
> Well, I know very little about VTK. Here is a working demo:
> 
> $ cd $PETSC_DIR/src/snes/tutorials
> $ make ex5
> $ ./ex5 -dm_view vtk:ex5.vts -sol_view vtk:ex5.vts -mms 1
> N: 16 error L2 4.24792e-13 inf 8.49584e-13
> 
>   Thanks,
> 
>      Matt
> 
>> On Apr 21, 2021, at 3:37 AM, Matthew Knepley <knepley at gmail.com <mailto:knepley at gmail.com>> wrote:
>> 
>> ./ex1 -dm_view vtk:ex1.vtu
> 
> 
> 
> -- 
> What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.
> -- Norbert Wiener
> 
> https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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