:orphan:
# VecTaggerSetInvert
If the tagged index sets are based on boxes that can be returned by `VecTaggerComputeBoxes()`, then this option inverts values used to compute the IS, i.e., from being in the union of the boxes to being in the intersection of their exteriors. 
## Synopsis
```
#include "petscvec.h" 
PetscErrorCode VecTaggerSetInvert(VecTagger tagger, PetscBool invert)
```
Logically Collective


## Input Parameters

- ***tagger -*** vec tagger
- ***invert -*** `PETSC_TRUE` to invert, `PETSC_FALSE` to use the indices as is





## See Also
 `VecTaggerComputeIS()`, `VecTaggerGetInvert()`, `VecTagger`, `VecTaggerCreate()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/vec/utils/tagger/interface/tagger.c.html#VecTaggerSetInvert">src/vec/vec/utils/tagger/interface/tagger.c</A>


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


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