petsc-3.14.6 2021-03-30
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PetscSectionCreateSubmeshSection

Create a new, smaller section with support on the submesh

Synopsis

#include "petscsection.h"   
PetscErrorCode PetscSectionCreateSubmeshSection(PetscSection s, IS subpointMap, PetscSection *subs)
Collective on s

Input Parameters

s - the PetscSection
subpointMap - a sorted list of points in the original mesh which are in the submesh

Output Parameter

subs - the subsection

Note: The section offsets now refer to a new, smaller vector.

See Also

PetscSectionCreateSubsection(), DMPlexGetSubpointMap(), PetscSectionCreate()

Level

advanced

Location

src/vec/is/section/interface/section.c
Index of all PetscSection routines
Table of Contents for all manual pages
Index of all manual pages