DMPlexGlobalVectorLoad#
Loads on-disk vector data into a global vector
Synopsis#
#include "petscdmplex.h"
PetscErrorCode DMPlexGlobalVectorLoad(DM dm, PetscViewer viewer, DM sectiondm, PetscSF sf, Vec vec)
Collective
Input Parameters#
dm - The
DMthat represents the topologyviewer - The
PetscViewerthat represents the on-disk vector datasectiondm - The
DMthat contains the global section on which vec is definedsf - The
PetscSFthat migrates the on-disk vector data into vecvec - The global vector to set values of
Notes#
In general dm and sectiondm are two different objects, the former carrying the topology and the latter carrying the section, and have been given a topology name and a section name, respectively, with PetscObjectSetName(). In practice, however, they can be the same object if it carries both topology and section; in that case the name of the object is used as both the topology name and the section name.
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);
See Also#
DMPlex: Unstructured Grids, DM, DMPLEX, DMPlexTopologyLoad(), DMPlexSectionLoad(), DMPlexLocalVectorLoad(), DMPlexGlobalVectorView(), DMPlexLocalVectorView(),
PetscSF, PetscViewer
Level#
advanced
Location#
Index of all DMPlex routines
Table of Contents for all manual pages
Index of all manual pages