DMPlexGetTree#
get the tree that describes the hierarchy of non-conforming mesh points. Collective on dm
Synopsis#
#include "petscdmplex.h"
PetscErrorCode DMPlexGetTree(DM dm, PetscSection *parentSection, PetscInt *parents[], PetscInt *childIDs[], PetscSection *childSection, PetscInt *children[])
Input Parameter#
dm - the
DMPLEXobject
Output Parameters#
parentSection - a section describing the tree: a point has a parent if it has 1 dof in the section; the section offset indexes the parent and childID list
parents - a list of the point parents
childIDs - identifies the relationship of the child point to the parent point; if there is a reference tree, then the child corresponds to the point in the reference tree with index childID
childSection - the inverse of the parent section
children - a list of the point children
See Also#
DMPlex: Unstructured Grids in PETSc, DM, DMPLEX,DMPlexSetTree(), DMPlexSetReferenceTree(), DMPlexSetAnchors(), DMPlexGetTreeParent(), DMPlexGetTreeChildren()
Level#
intermediate
Location#
Index of all DMPlex routines
Table of Contents for all manual pages
Index of all manual pages