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# DMPlexSetRegularRefinement
Set the flag indicating that this mesh was obtained by regular refinement from its coarse mesh 
## Synopsis
```
#include "petscdmplex.h"   
PetscErrorCode DMPlexSetRegularRefinement(DM dm, PetscBool regular)
```

## Input Parameters

- ***dm -*** The `DMPLEX` object
- ***regular -*** The flag





## See Also
 [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexGetRegularRefinement()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/impls/plex/plex.c.html#DMPlexSetRegularRefinement">src/dm/impls/plex/plex.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/dm/impls/plex/plex.c)


[Index of all DMPlex routines](index.md)  
[Table of Contents for all manual pages](/manualpages/index.md)  
[Index of all manual pages](/manualpages/singleindex.md)