#include "petscdmplex.h" PetscErrorCode DMPlexGlobalVectorLoad(DM dm, PetscViewer viewer, DM sectiondm, PetscSF sf, Vec vec)Collective on DM
dm | - The DM that represents the topology | |
viewer | - The PetscViewer that represents the on-disk vector data | |
sectiondm | - The DM that contains the global section on which vec is defined | |
sf | - The SF that migrates the on-disk vector data into vec | |
vec | - The global vector to set values of |
Typical calling sequence
DMCreate(PETSC_COMM_WORLD, &dm);
DMSetType(dm, DMPLEX);
PetscObjectSetName((PetscObject)dm, "topologydm_name");
DMPlexTopologyLoad(dm, viewer, &sfX);
DMClone(dm, §iondm);
PetscObjectSetName((PetscObject)sectiondm, "sectiondm_name");
DMPlexSectionLoad(dm, viewer, sectiondm, sfX, &gsf, NULL);
DMGetGlobalVector(sectiondm, &vec);
PetscObjectSetName((PetscObject)vec, "vec_name");
DMPlexGlobalVectorLoad(dm, viewer, sectiondm, gsf, vec);
DMRestoreGlobalVector(sectiondm, &vec);
PetscSFDestroy(&gsf);
PetscSFDestroy(&sfX);
DMDestroy(§iondm);
DMDestroy(&dm);