# PetscDrawBarSort
Sorts the values before drawing the bar chart, the bars will be in ascending order from left to right 
## Synopsis
```
#include "petscdraw.h" 
#include "petscviewer.h" 
PetscErrorCode PetscDrawBarSort(PetscDrawBar bar, PetscBool sort, PetscReal tolerance)
```
Logically Collective on bar


## Input Parameters

- ***bar -*** The bar graph context
- ***sort -*** `PETSC_TRUE` to sort the values
- ***tolerance -*** discard values less than tolerance





## See Also
 `PetscDrawBar`, `PetscDrawBarCreate()`, `PetscDrawBar`, `PetscDrawBarSetData()`, `PetscDrawBarSetColor()`, `PetscDrawBarDraw()`, `PetscDrawBarGetAxis()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/classes/draw/utils/bars.c.html#PetscDrawBarSort">src/sys/classes/draw/utils/bars.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/classes/draw/utils/bars.c)


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