DMPlexPointGlobalFieldRead#

return read access to a field on a point in global array

Synopsis#

#include "petscdmplex.h"   
PetscErrorCode DMPlexPointGlobalFieldRead(DM dm, PetscInt point, PetscInt field, const PetscScalar *array, void *ptr)

Not Collective

Input Parameters#

dm - DM defining topological space
point - topological point
field - field number
array - array to index into

Output Parameter#

ptr - address of read reference to point data, type generic so user can place in structure; returns NULL if global point is not owned

See Also#

DMPlex: Unstructured Grids, DM, DMPLEX, DMGetLocalSection(), PetscSectionGetOffset(), PetscSectionGetDof(), DMPlexGetPointGlobal(), DMPlexPointLocalRead(), DMPlexPointGlobalRef()

Level#

intermediate

Location#

src/dm/impls/plex/plexpoint.c

Examples#

src/ts/tutorials/ex18.c

Index of all DMPlex routines
Table of Contents for all manual pages
Index of all manual pages