petsc-3.7.7 2017-09-25
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DMPlexGetAnchors

 Get the layout of the anchor (point-to-point) constraints. Typically, the user will not have to call DMPlexGetAnchors() directly: if there are anchors, then DMPlexGetAnchors() is called during DMGetConstraints().

Synopsis

#include "petscdmplex.h"   
PetscErrorCode DMPlexGetAnchors(DM dm, PetscSection *anchorSection, IS *anchorIS)
not collective

Input Parameters

dm -The DMPlex object

Output Parameters

anchorSection - If not NULL, set to the section describing which points anchor the constrained points.
anchorIS - If not NULL, set to the list of anchors indexed by anchorSection

See Also

DMPlexSetAnchors(), DMGetConstraints(), DMSetConstraints()

Level:intermediate
Location:src/dm/impls/plex/plex.c
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages