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# DMForestSetComputeAdaptivitySF
During the pre-setup phase, set whether transfer `PetscSF`s should be computed relating the cells of the pre-adaptation forest to the post-adaptiation forest. 
## Synopsis
```
#include "petscdmforest.h" 
#include "petscdm.h" 
#include "petscdmlabel.h" 
PetscErrorCode DMForestSetComputeAdaptivitySF(DM dm, PetscBool computeSF)
```
Logically Collective


## Input Parameters

- ***dm -*** the post-adaptation forest
- ***computeSF -*** default `PETSC_TRUE`





## Note
After `DMSetUp()` is called, the transfer `PetscSF`s can be accessed with `DMForestGetAdaptivitySF()`.


## See Also
 `DM`, `DMFOREST`, `DMForestGetComputeAdaptivitySF()`, `DMForestGetAdaptivitySF()`

## Level
advanced

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


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


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