PETSc version 3.17.0
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# DMPlexCreateDefaultReferenceTree

create a reference tree for isotropic hierarchical mesh refinement.

### Synopsis

    #include "petscdmplex.h"
    PetscErrorCode DMPlexCreateDefaultReferenceTree(MPI_Comm comm, PetscInt dim, PetscBool simplex, DM *ref)

Collective

### Input Parameters

| comm | - the MPI communicator
| dim | - the spatial dimension
| simplex | - Flag for simplex, otherwise use a tensor-product cell

### Output Parameters

| ref | - the reference tree DMPlex object

### See Also

DMPlexSetReferenceTree(), DMPlexGetReferenceTree()

### Level

intermediate

### Location

src/dm/impls/plex/plextree.c
Index of all DMPLEX routines
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