petsc-3.6.2 2015-10-02
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# DMPlexCreateSubpointIS

Creates an IS covering the entire subdm chart with the original points as data

### Synopsis

    #include "petscdmplex.h"
    PetscErrorCode DMPlexCreateSubpointIS(DM dm, IS *subpointIS)

### Input Parameter

dm -The submesh DM

### Output Parameter

subpointIS -The IS of all the points from the original mesh in this submesh, or NULL if this is not a submesh

Note: This IS is guaranteed to be sorted by the construction of the submesh

### See Also

DMPlexCreateSubmesh(), DMPlexGetSubpointMap()

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