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<div>On Jan 9, 2013, at 10:23 AM, Jed Brown <<a href="mailto:jedbrown@mcs.anl.gov">jedbrown@mcs.anl.gov</a>> wrote:</div>
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<div dir="ltr">On Wed, Jan 9, 2013 at 10:20 AM, Matthew Knepley <span dir="ltr"><<a href="mailto:knepley@gmail.com" target="_blank">knepley@gmail.com</a>></span> wrote:<br>
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<div class="im">On Wed, Jan 9, 2013 at 10:10 AM, Blaise A Bourdin <span dir="ltr">
<<a href="mailto:bourdin@lsu.edu" target="_blank">bourdin@lsu.edu</a>></span> wrote:<br>
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<div style="word-wrap:break-word">That's a good start indeed. Is there any way to save files defined on different DMDA (same grid but different number of dof). When I try to do that, I get the following error message:</div>
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<div>Hmm, that would mean introducing a structural comparison rather than an identity.</div>
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<div style="">Oh, good point. If someone implements a test for DM congruence, I can generalize the viewer.</div>
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Wouldn't it be trivial for a DMDA? </div>
<div>Blaise</div>
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<div>MacBook-Pro:VTK blaise$ ./TestVTK </div>
<div>[0]PETSC ERROR: --------------------- Error Message ------------------------------------</div>
<div>[0]PETSC ERROR: Arguments are incompatible!</div>
<div>[0]PETSC ERROR: Cannot write a field from more than one grid to the same VTK file!</div>
<div>[0]PETSC ERROR: ------------------------------------------------------------------------</div>
<div>[0]PETSC ERROR: Petsc Release Version 3.3.0, Patch 5, unknown </div>
<div>[0]PETSC ERROR: See docs/changes/index.html for recent updates.</div>
<div>[0]PETSC ERROR: See docs/faq.html for hints about trouble shooting.</div>
<div>[0]PETSC ERROR: See docs/index.html for manual pages.</div>
<div>[0]PETSC ERROR: ------------------------------------------------------------------------</div>
<div>[0]PETSC ERROR: ./TestVTK on a Darwin-gc named MacBook-Pro.local by blaise Wed Jan 9 10:09:37 2013</div>
<div>[0]PETSC ERROR: Libraries linked from /opt/HPC/petsc-3.3/Darwin-gcc4.2-mef90-g/lib</div>
<div>[0]PETSC ERROR: Configure run at Thu Jan 3 15:42:04 2013</div>
<div>[0]PETSC ERROR: Configure options --download-boost=1 --download-chaco=1 --download-exodusii=/opt/HPC/src/tarball/exodusii-5.22b.tgz --download-hdf5=1 --download-metis=1 --download-netcdf=1 --download-parmetis=1 --download-sowing=1 --download-triangle=1
--download-yaml=1 --with-clanguage=C++ --with-cmake=cmake --with-debugging=1 --with-fortran-datatypes --with-gnu-compilers=1 --with-mpi-dir=/opt/HPC/mpich2-1.4.1p1-gcc4.2 --with-pic --with-shared-libraries=1 --with-sieve --with-sieve-memory-logging --with-x11=1
PETSC_ARCH=Darwin-gcc4.2-mef90-g</div>
<div>[0]PETSC ERROR: ------------------------------------------------------------------------</div>
<div>[0]PETSC ERROR: PetscViewerVTKAddField_VTK() line 126 in /opt/HPC/petsc-3.3/src/sys/viewer/impls/vtk/vtkv.c</div>
<div>[0]PETSC ERROR: PetscViewerVTKAddField() line 32 in /opt/HPC/petsc-3.3/src/sys/viewer/impls/vtk/vtkv.c</div>
<div>[0]PETSC ERROR: VecView_MPI_DA() line 531 in /opt/HPC/petsc-3.3/src/dm/impls/da/gr2.c</div>
<div>[0]PETSC ERROR: VecView() line 776 in /opt/HPC/petsc-3.3/src/vec/vec/interface/vector.c</div>
<div>[0]PETSC ERROR: main() line 46 in TestVTK.c</div>
<div>application called MPI_Abort(MPI_COMM_WORLD, 75) - process 0</div>
<div>[unset]: aborting job:</div>
<div>application called MPI_Abort(MPI_COMM_WORLD, 75) - process 0</div>
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<div>Blaise</div>
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<div>On Jan 9, 2013, at 9:51 AM, Jed Brown <<a href="mailto:jedbrown@mcs.anl.gov" target="_blank">jedbrown@mcs.anl.gov</a>></div>
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<div dir="ltr">None of that crazy "developer" nonsense is need for users. Just do this:
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<div> PetscViewer viewer;</div>
<div> /* file name extension sets format by default, see also PetscViewerSetFormat(viewer,PETSC_VIEWER_VTK_VTS) */</div>
<div> ierr = PetscViewerVTKOpen(comm,"yourfile.vts",FILE_MODE_WRITE,&viewer);CHKERRQ(ierr);</div>
<div> ierr = VecView(X,viewer);CHKERRQ(ierr);</div>
<div> ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr);</div>
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<div>When using TS, you can do -ts_monitor_draw_solution_vtk 'filename-%03D.vts' to save each time step to a numbered binary file (ready to animate in paraview or visit).</div>
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<div class="gmail_quote">On Wed, Jan 9, 2013 at 9:37 AM, Blaise A Bourdin <span dir="ltr">
<<a href="mailto:bourdin@lsu.edu" target="_blank">bourdin@lsu.edu</a>></span> wrote:<br>
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Hi,<br>
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I am looking at the documentation and the examples looking for a simple illustration of how to use the new vtk binary viewers for structured data defined by a DMDA, but can't find any straightforward example. Is there a simple example that I am missing?<br>
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When I try<br>
PetscViewerVTKAddField(VTKviewer,(PetscObject) dmda1,DMDAVTKWriteAll,PETSC_VTK_POINT_FIELD,(PetscObject) p);CHKERRQ(ierr);<br>
I get a compilation time error:<br>
TestVTK.c:53: error: ‘DMDAVTKWriteAll’ was not declared in this scope<br>
indeed, DMDAVTKWriteAll is defined in a private header. Is this the way it is supposed to be?<br>
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Is the xml file describing the content of the binary files generated automatically or do I need to take care of it by myself?<br>
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I am using petsc-3.3, latest changeset.<br>
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Regards,<br>
Blaise<br>
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