petsc-3.12.1 2019-10-22
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# DMPlexComputeCellGeometryFVM

Compute the volume for a given cell

### Synopsis

    #include "petscdmplex.h"
    #include "petscfe.h"
    PetscErrorCode DMPlexComputeCellGeometryFVM(DM dm, PetscInt cell, PetscReal *vol, PetscReal centroid[], PetscReal normal[])

Collective on dm

### Input Arguments

| dm | - the DM
| cell | - the cell

### Output Arguments

| volume | - the cell volume
| centroid | - the cell centroid
| normal | - the cell normal, if appropriate

### Fortran Notes

Since it returns arrays, this routine is only available in Fortran 90, and you must include petsc.h90 in your code.

### See Also

DMGetCoordinateSection(), DMGetCoordinates()

### Level

advanced

### Location

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