DMPlexGetTree#

get the tree that describes the hierarchy of non-conforming mesh points. Collective

Synopsis#

#include "petscdmplex.h"   
PetscErrorCode DMPlexGetTree(DM dm, PetscSection *parentSection, PetscInt *parents[], PetscInt *childIDs[], PetscSection *childSection, PetscInt *children[])

Input Parameter#

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, DM, DMPLEX,DMPlexSetTree(), DMPlexSetReferenceTree(), DMPlexSetAnchors(), DMPlexGetTreeParent(), DMPlexGetTreeChildren()

Level#

intermediate

Location#

src/dm/impls/plex/plextree.c

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Index of all DMPlex routines
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Index of all manual pages