:orphan:
# DMLabelGetNonEmptyStratumValuesIS
Get an `IS` of all values that the `DMlabel` takes 
## Synopsis
```
#include "petscdmlabel.h"   
#include "petscsection.h"   
PetscErrorCode DMLabelGetNonEmptyStratumValuesIS(DMLabel label, IS *values)
```
Not Collective


## Input Parameter

- ***label -*** the `DMLabel`



## Output Parameter

- ***is    -*** the value `IS`





## Notes
The output `IS` should be destroyed when no longer needed.
This is similar to `DMLabelGetValueIS()` but counts only nonempty strata.


## See Also
 `DMLabel`, `DM`, `DMLabelGetValueIS()`, `DMLabelCreate()`, `DMLabelGetValue()`, `DMLabelSetValue()`, `DMLabelClearValue()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/label/dmlabel.c.html#DMLabelGetNonEmptyStratumValuesIS">src/dm/label/dmlabel.c</A>


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


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