:orphan:
# ISGetLayout
get `PetscLayout` describing index set layout 
## Synopsis
```
#include "petscis.h" 
PetscErrorCode ISGetLayout(IS is, PetscLayout *map)
```
Not Collective


## Input Parameter

- ***is -*** the index set



## Output Parameter

- ***map -*** the layout





## See Also
 `IS`, `PetscLayout`, `ISSetLayout()`, `ISGetSize()`, `ISGetLocalSize()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/is/is/interface/index.c.html#ISGetLayout">src/vec/is/is/interface/index.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/vec/is/is/interface/index.c)


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