# PetscDrawHGDestroy
Frees all space taken up by histogram data structure. 
## Synopsis
```
#include "petscdraw.h" 
#include "petscsys.h" 
#include "petscviewer.h" 
PetscErrorCode PetscDrawHGDestroy(PetscDrawHG *hist)
```
Collective on hist


## Input Parameter

- ***hist -*** The histogram context





## See Also
 `PetscDrawHGCreate()`, `PetscDrawHG`

## Level
intermediate

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


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