[petsc-users] vtkviewer with cloned dm

Thu May 9 06:52:50 CDT 2013

On Thu, May 9, 2013 at 6:46 AM, Matthew Knepley <knepley at gmail.com> wrote:

> 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.
>
>  That will help for now. On a related note, when the parent dm is refined
or distributed  does cloned dm also get refined or distributed or do we
need to call the clone after refining or distributing the parent dm ?

>    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
>

-- 
-----------------------------------------------------
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
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