PetscGridHashCreate — PETSc 3.25.4 documentation

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# PetscGridHashCreate

Create a `PetscGridHash` for spatially locating points in a mesh.

## Synopsis

    #include "petscdmplex.h"
    #include "petscfe.h"
    PetscErrorCode PetscGridHashCreate(MPI_Comm comm, PetscInt dim, const PetscScalar point[], PetscGridHash *box)

Collective

## Input Parameters

- comm - the MPI communicator

- dim - the spatial dimension

- point - an initial point used to seed the bounding box, or `NULL` for a zero-initialized box

## Output Parameter

- box - the newly created `PetscGridHash`

## See Also

`DMPLEX`, `PetscGridHash`, `PetscGridHashEnlarge()`, `PetscGridHashDestroy()`

## 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