:orphan:
# DMSwarmSetPointCoordinatesCellwise
Insert point coordinates (defined over the reference cell) within each cell 
## Synopsis
```
#include "petscdmswarm.h"   
PETSC_EXTERN PetscErrorCode DMSwarmSetPointCoordinatesCellwise(DM dm, PetscInt npoints, PetscReal xi[])
```
Not Collective


## Input parameters

- ***dm -*** the `DMSWARM`
- ***celldm -*** the cell `DM`
- ***npoints -*** the number of points to insert in each cell
- ***xi -*** the coordinates (defined in the local coordinate system for each cell) to insert





## Notes
The method will reset any previous defined points within the `DMSWARM`.
Only supported for `DMPLEX`. If you are using a `DMDA` it is recommended to either use
`DMSwarmInsertPointsUsingCellDM()`, or extract and set the coordinates yourself the following code
```none
    PetscReal *coor;
    DMSwarmGetField(dm,DMSwarmPICField_coor,NULL,NULL,(void**)&coor);
    // user code to define the coordinates here
    DMSwarmRestoreField(dm,DMSwarmPICField_coor,NULL,NULL,(void**)&coor);
```



## See Also
 `DMSWARM`, `DMSwarmSetCellDM()`, `DMSwarmInsertPointsUsingCellDM()`

## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/impls/swarm/swarmpic.c.html#DMSwarmSetPointCoordinatesCellwise">src/dm/impls/swarm/swarmpic.c</A>


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


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