[petsc-users] vtkviewer with cloned dm

[Matthew Knepley]

On Thu, May 9, 2013 at 6:33 AM, Dharmendar Reddy <dharmareddy84 at gmail.com>wrote:

> Hello,
>          Looks like the call DMGetCoordinatesLocal(clonedDM,coords,ierr)
> is giving a null coords Vec. DMView on clonedDM is printing the expected
> information
>
> Mesh in 2 dimensions:
>   0-cells: 9
>   1-cells: 16
>   2-cells: 8
> Labels:
>   marker: 2 strata of sizes (16, 5)
>   depth: 3 strata of sizes (9, 16, 8)
>
> the original dm is created using DMPlexCreateBoxMesh.
>

The semantics for Clone have not been nailed down. I can copy over the
coordinates. I am not sure it will make
the release, but I will put it in next.

   Thanks,

     Matt


>
> On Wed, May 8, 2013 at 8:21 PM, Dharmendar Reddy <dharmareddy84 at gmail.com>wrote:
>
>> Hello,
>>          I am seeing an error when i use vtkviewer with a cloned dm. Am i
>> doing some thing worng  ? Please see the attached test case.
>>
>> [0]PETSC ERROR: --------------------- Error Message
>> ----------------------------
>> --------
>> [0]PETSC ERROR: Null argument, when expecting valid pointer!
>> [0]PETSC ERROR: Null Object: Parameter # 1!
>> [0]PETSC ERROR:
>> ----------------------------------------------------------------
>> --------
>> [0]PETSC ERROR: Petsc Development GIT revision:
>> 2ba5cda9c63f067922ac725686fc49a5
>> 014f5bad  GIT Date: 2013-05-05 14:03:36 -0600
>> [0]PETSC ERROR: See docs/changes/index.html for recent updates.
>> [0]PETSC ERROR: See docs/faq.html for hints about trouble shooting.
>> [0]PETSC ERROR: See docs/index.html for manual pages.
>> [0]PETSC ERROR:
>> ----------------------------------------------------------------
>> --------
>> [0]PETSC ERROR: ./testDMView on a mpi_rScalar_Debug named
>> login3.stampede.tacc.u
>> texas.edu by Reddy135 Wed May  8 19:53:42 2013
>> [0]PETSC ERROR: Libraries linked from
>> /home1/00924/Reddy135/LocalApps/petsc/mpi_
>> rScalar_Debug/lib
>> [0]PETSC ERROR: Configure run at Sun May  5 23:15:58 2013
>> [0]PETSC ERROR: Configure options   --download-blacs=1
>> --download-ctetgen=1 --do
>> wnload-metis=1 --download-mumps=1 --download-parmetis=1
>> --download-scalapack=1 -
>> -download-superlu_dist=1 --download-triangle=1 --download-umfpack=1
>> --with-blas-
>> lapack-dir=/opt/apps/intel/13/composer_xe_2013.2.146/mkl/lib/intel64/
>> --with-deb
>> ugging=1 --with-mpi-dir=/opt/apps/intel13/mvapich2/1.9/
>> --with-petsc-arch=mpi_rS
>> calar_Debug --with-petsc-dir=/home1/00924/Reddy135/LocalApps/petsc
>> PETSC_ARCH=mp
>> i_rScalar_Debug
>> [0]PETSC ERROR:
>> ----------------------------------------------------------------
>> --------
>> [0]PETSC ERROR: VecGetArrayRead() line 1488 in
>> /home1/00924/Reddy135/LocalApps/p
>> etsc/src/vec/vec/interface/rvector.c
>> [0]PETSC ERROR: DMPlexVTKWriteAll_VTU() line 300 in
>> /home1/00924/Reddy135/LocalA
>> pps/petsc/src/dm/impls/plex/plexvtu.c
>> [0]PETSC ERROR: DMPlexVTKWriteAll() line 606 in
>> /home1/00924/Reddy135/LocalApps/
>> petsc/src/dm/impls/plex/plexvtk.c
>> [0]PETSC ERROR: PetscViewerFlush_VTK() line 78 in
>> /home1/00924/Reddy135/LocalApp
>> s/petsc/src/sys/classes/viewer/impls/vtk/vtkv.c
>> [0]PETSC ERROR: PetscViewerFlush() line 30 in
>> /home1/00924/Reddy135/LocalApps/pe
>> tsc/src/sys/classes/viewer/interface/flush.c
>> [0]PETSC ERROR: PetscViewerDestroy() line 100 in
>> /home1/00924/Reddy135/LocalApps
>> /petsc/src/sys/classes/viewer/interface/view.c
>>
>> --
>> -----------------------------------------------------
>> Dharmendar Reddy Palle
>> Graduate Student
>> Microelectronics Research center,
>> University of Texas at Austin,
>> 10100 Burnet Road, Bldg. 160
>> MER 2.608F, TX 78758-4445
>> e-mail: dharmareddy84 at gmail.com
>> Phone: +1-512-350-9082
>> United States of America.
>> Homepage: https://webspace.utexas.edu/~dpr342
>>
>
>
>
> --
> -----------------------------------------------------
> Dharmendar Reddy Palle
> Graduate Student
> Microelectronics Research center,
> University of Texas at Austin,
> 10100 Burnet Road, Bldg. 160
> MER 2.608F, TX 78758-4445
> e-mail: dharmareddy84 at gmail.com
> Phone: +1-512-350-9082
> United States of America.
> Homepage: https://webspace.utexas.edu/~dpr342
>



-- 
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
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