PETSc version 3.17.0
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# DMDAGetRefinementFactor

Gets the ratios that the DMDA grid is refined

### Synopsis

    #include "petscdmda.h"
    PetscErrorCode  DMDAGetRefinementFactor(DM da, PetscInt *refine_x, PetscInt *refine_y,PetscInt *refine_z)

Not Collective

### Input Parameter

| da | - the DMDA object

### Output Parameters

| refine_x | - ratio of fine grid to coarse in x direction (2 by default)
| refine_y | - ratio of fine grid to coarse in y direction (2 by default)
| refine_z | - ratio of fine grid to coarse in z direction (2 by default)

### Notes

Pass NULL for values you do not need

### See Also

DMRefine(), DMDASetRefinementFactor()

### Level

intermediate

### Location

src/dm/impls/da/da.c
Index of all DMDA routines
Table of Contents for all manual pages
Index of all manual pages