DMPlexFilter#

Extract a subset of mesh cells defined by a label as a separate mesh

Synopsis#

#include "petscdmplex.h"    
#include "petscdmlabel.h"   
PetscErrorCode DMPlexFilter(DM dm, DMLabel cellLabel, PetscInt value, DM *subdm)

Input Parameters#

dm - The original mesh
cellLabel - The DMLabel marking cells contained in the new mesh
value - The label value to use

Output Parameter#

subdm - The new mesh

Note#

This function produces a DMLabel mapping original points in the submesh to their depth. This can be obtained using DMPlexGetSubpointMap().

See Also#

DMPlex: Unstructured Grids, DM, DMPLEX, DMPlexGetSubpointMap(), DMGetLabel(), DMLabelSetValue(), DMPlexCreateSubmesh()

Level#

developer

Location#

src/dm/impls/plex/plexsubmesh.c

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