[petsc-users] binary writing to tecplot

[Jed Brown]

On Tue, Nov 22, 2011 at 07:53, Benjamin Sanderse <B.Sanderse at cwi.nl> wrote:

> Tecplot is able to read HDF5 files according to the possible types listed
> in its dataloader, so that seems like an interesting option.
>

You will have to find their documentation of how to write the HDF5 file or
how to specify what is in the file (XDMF is one way).


> But where do I find Petsc documentation on writing HDF5 files? Is this in
> the development version?
>

http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Viewer/PetscViewerHDF5Open.html

More generally, and for anything, it's often useful to search this page:
http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/singleindex.html
)


> By the way, I am using structured Cartesian grids, and all operations such
> as interpolation and differentiation are carried out as matrix-vector
> products, which also include boundary conditions. I am not using DAs at the
> moment, would it be better to use those?
>

Defining derivatives this way is often complicated at boundary conditions,
but whatever works for you. Using DMDA allows PETSc viewers to put more
semantic information into the file.
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