:orphan:
# DMSwarmCreateLocalVectorFromField
Creates a `Vec` object sharing the array associated with a given field 
## Synopsis
```
#include "petscdmswarm.h"   
PetscErrorCode DMSwarmCreateLocalVectorFromField(DM dm, const char fieldname[], Vec *vec)
```
Collective


## Input parameters

- ***dm -*** a `DMSWARM`
- ***fieldname -*** the textual name given to a registered field



## Output parameter

- ***vec -*** the vector





## Note
The vector must be returned using a matching call to DMSwarmDestroyLocalVectorFromField().


## See Also
 `DM`, `DMSWARM`, `DMSwarmRegisterPetscDatatypeField()`, `DMSwarmDestroyLocalVectorFromField()`

## Level
beginner

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


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[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)  
