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# DMPlexInterpolatePointSF
Insert interpolated points in the overlap into the `PointSF` in parallel, following local interpolation 
## Synopsis
```
#include "petscdmplex.h"   
PetscErrorCode DMPlexInterpolatePointSF(DM dm, PetscSF pointSF)
```
Collective


## Input Parameters

- ***dm      -*** The interpolated `DMPLEX`
- ***pointSF -*** The initial `PetscSF` without interpolated points





## Note
Debugging for this process can be turned on with the options: `-dm_interp_pre_view` `-petscsf_interp_pre_view` `-petscsection_interp_candidate_view` `-petscsection_interp_candidate_remote_view` `-petscsection_interp_claim_view` `-petscsf_interp_pre_view` `-dmplex_interp_debug`


## See Also
 `DMPLEX`, `DMPlexInterpolate()`, `DMPlexUninterpolate()`

## Level
developer

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


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