[petsc-users] vtkviewer with cloned dm

Thu May 9 10:17:24 CDT 2013

Hello,
           Looks like the fix created other issues. I am getting errors
from DMPlecCreateBoxMesh. I have attached the test code and error log

On Thu, May 9, 2013 at 6:56 AM, Matthew Knepley <knepley at gmail.com> wrote:

> On Thu, May 9, 2013 at 6:52 AM, Dharmendar Reddy <dharmareddy84 at gmail.com>wrote:
>
>>
>>
>>
>> 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 ?
>>
>
> No. Here the model is clear, and I think its the right one. Distribution,
> refinement, interpolation, etc. all create
> a new DM, thus any clones are pointing at the old DM.
>
>   Matt
>
>
>>
>>
>>>    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
>>
>
>
>
> --
> 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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