petsc-master 2019-11-13
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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

DMPlexGetSubpointMap(), DMGetLabel(), DMLabelSetValue()

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