[petsc-users] PETSc recommended visualization packages

[Barry Smith]

   Ethan,

   Excellent. 

   I have the matlab programs in a subdirectory called matlab. Will there be several of these? So should we have a bin/python subdirectory for them?

    Barry


On Jul 14, 2011, at 2:22 PM, Ethan Coon wrote:

> Attached patch takes Lisandro's matio.py and puts it in a
> PetscBinaryRead.py that reads a binary with (potentially) multiple Petsc
> objects, deciphers the contents of the file from the header, and returns
> numpy objects.  It's basically the same as the PetscBinaryRead.m
> 
> I've tested this on Vecs, but not Mats or ISs, and I haven't thoroughly
> tested degenerate cases.  Will do some testing, but I wanted Lisandro to
> take a look at it as well...
> 
> Thanks,
> 
> Ethan
> 
> On Wed, 2011-07-06 at 12:24 -0300, Lisandro Dalcin wrote:
>> On 6 July 2011 11:41, Ethan Coon <ecoon at lanl.gov> wrote:
>>> Both Paraview and Visit generally make ugly axes/colorbars/keys/etc.  In my opinion they both look fine for presentations and my own viewing, but are not really acceptable for publication-quality.  For things run on a reasonably-sized problem, matplotlib (using either h5py to read hdf5, pyvtk to read vtk, or petsc4py to read PETSc's binary format) makes publishable plots.
>>> 
>> 
>> Using petsc4py for reading PETSc binary formats is overkill. All this
>> can be done with just NumPy. Should PETSc ship some Python code to
>> read IS's, Vec's, Mat's in binary format? Can any of you suggest an
>> appropriate location in the source tree?
>> 
>> 
>> 
>> 
> 
> -- 
> ------------------------------------
> Ethan Coon
> Post-Doctoral Researcher
> Applied Mathematics - T-5
> Los Alamos National Laboratory
> 505-665-8289
> 
> http://www.ldeo.columbia.edu/~ecoon/
> ------------------------------------
> <PetscBinaryRead.py>