[petsc-users] Read and write HDF5 files

[Quentin Chevalier]

Thank you for the speedy answer !

Quentin CHEVALIER – IA parcours recherche
LadHyX - Ecole polytechnique
__________



On Thu, 8 Sept 2022 at 15:04, Jed Brown <jed at jedbrown.org> wrote:
>
> It sounds like the PETSc inside your container was not built with --download-hdf5 (or --with-hdf5). That can be fixed by updating the Dockerfile and rebuilding the image.
>
> Quentin Chevalier <quentin.chevalier at polytechnique.edu> writes:
>
> > Hello PETSc users !
> >
> > I'm trying to use PETSc routine to read and write complex vectors to binary
> > files in parallel.
> >
> > I'm using dolfinx and petsc4py inside a docker container. My end goal is to
> > write a dolfinx Function object to file, then read it again.
> >
> > My current code goes something like :
> > viewer = pet.Viewer().createHDF5("file.h5", 'w', comm)
> > function.vector.view(viewer)
> >
> > And fails with traceback :
> > petsc4py.PETSc.Error: error code 86
> > [9] PetscViewerSetType() at
> > /usr/local/petsc/src/sys/classes/viewer/interface/viewreg.c:435
> > [9] Unknown type. Check for miss-spelling or missing package:
> > https://petsc.org/release/install/install/#external-packages
> > [9] Unknown PetscViewer type given: hdf5
> >
> > The relevant functions show on pydoc, what am I doing wrong ?
> >
> > Cheers,
> >
> > Quentin