petsc-3.5.4 2015-05-23
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DMPlexCreateSubmesh

 Extract a hypersurface from the mesh using vertices defined by a label

Synopsis

#include "petscdmplex.h"   
PetscErrorCode DMPlexCreateSubmesh(DM dm, DMLabel vertexLabel, PetscInt value, DM *subdm)

Input Parameters

dm - The original mesh
vertexLabel - The DMLabel marking vertices contained in the surface
value - The label value to use

Output Parameter

subdm -The surface 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(), DMPlexGetLabel(), DMLabelSetValue()

Level:developer
Location:src/dm/impls/plex/plexsubmesh.c
Index of all DM routines
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Index of all manual pages