PetscGridHashGetEnclosingBox#

Find the grid boxes containing each input point

Synopsis#

#include "petscdmplex.h"   
#include "petscfe.h"       
PetscErrorCode PetscGridHashGetEnclosingBox(PetscGridHash box, PetscInt numPoints, const PetscScalar points[], PetscInt dboxes[], PetscInt boxes[])

Not Collective

Input Parameters#

  • box - The grid hash object

  • numPoints - The number of input points

  • points - The input point coordinates

Output Parameters#

  • dboxes - An array of numPoints x dim integers expressing the enclosing box as (i_0, i_1, …, i_dim)

  • boxes - An array of numPoints integers expressing the enclosing box as single number, or NULL

Note#

This only guarantees that a box contains a point, not that a cell does.

See Also#

DMPLEX, PetscGridHashCreate()

Level#

developer

Location#

src/dm/impls/plex/plexgeometry.c

Index of all DMPlex routines
Table of Contents for all manual pages
Index of all manual pages