PETSc version 3.17.0
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# DMPlexGetOrientedFace

Given a cell and a face, as a set of vertices, return the oriented face, as a set of vertices, in faceVertices. The orientation is such that the face normal points out of the cell

### Synopsis

    #include "petscdmplex.h"
    #include "petscdmlabel.h"
    PetscErrorCode DMPlexGetOrientedFace(DM dm, PetscInt cell, PetscInt faceSize, const PetscInt face[], PetscInt numCorners, PetscInt indices[], PetscInt origVertices[], PetscInt faceVertices[], PetscBool *posOriented)

Not collective

### Input Parameters

| dm | - The original mesh
| cell | - The cell mesh point
| faceSize | - The number of vertices on the face
| face | - The face vertices
| numCorners | - The number of vertices on the cell
| indices | - Local numbering of face vertices in cell cone
| origVertices | - Original face vertices

### Output Parameters

| faceVertices | - The face vertices properly oriented
| posOriented | - PETSC_TRUE if the face was oriented with outward normal

### See Also

DMPlexGetCone()

### Level

developer

### Location

src/dm/impls/plex/plexsubmesh.c
Index of all DMPLEX routines
Table of Contents for all manual pages
Index of all manual pages