DMPlexCreateGlobalToNaturalSF#

Creates the PetscSF for mapping Global Vec to the Natural Vec

Synopsis#

#include "petscdmplex.h"   
PetscErrorCode DMPlexCreateGlobalToNaturalSF(DM dm, PetscSection section, PetscSF sfMigration, PetscSF *sfNatural)

Input Parameters#

  • dm - The redistributed DM

  • section - The local PetscSection describing the Vec before the mesh was distributed, or NULL if not available

  • sfMigration - The PetscSF used to distribute the mesh, or NULL if it cannot be computed

Output Parameter#

  • sfNatural - PetscSF for mapping the Vec in PETSc ordering to the canonical ordering

Note#

This is not typically called by the user.

See Also#

DMPlex: Unstructured Grids, DM, DMPLEX, PetscSF, PetscSection, DMPlexDistribute(), DMPlexDistributeField()

Level#

intermediate

Location#

src/dm/impls/plex/plexnatural.c

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