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# DMPlexTransformGetSubcellVertices
Get the set of transformed vertices defining a subcell in the reference cell of given type 
## Synopsis
```
#include "petscdmplextransform.h" 
PetscErrorCode DMPlexTransformGetSubcellVertices(DMPlexTransform tr, DMPolytopeType ct, DMPolytopeType rct, PetscInt r, PetscInt *subVerts[])
```

## Input Parameters

- ***tr  -*** The `DMPlexTransform` object
- ***ct  -*** The cell type
- ***rct -*** The subcell type
- ***r   -*** The subcell index



## Output Parameter

- ***subVerts -*** The indices of these vertices in the set of vertices returned by `DMPlexTransformGetCellVertices()`





## See Also
  `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetCellVertices()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/impls/plex/transform/interface/plextransform.c.html#DMPlexTransformGetSubcellVertices">src/dm/impls/plex/transform/interface/plextransform.c</A>


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