# ISColoringViewFromOptions
Processes command line options to determine if/how an `ISColoring` object is to be viewed. 
## Synopsis
```
#include "petscis.h"  
PetscErrorCode ISColoringViewFromOptions(ISColoring obj, PetscObject bobj, const char optionname[])
```
Collective


## Input Parameters

- ***obj   -*** the `ISColoring` object
- ***prefix -*** prefix to use for viewing, or NULL to use prefix of 'mat'
- ***optionname -*** option to activate viewing





## Developer Note
This cannot use `PetscObjectViewFromOptions()` because `ISColoring` is not a `PetscObject`


## See Also
 `ISColoring`, `ISColoringView()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/is/is/utils/iscoloring.c.html#ISColoringViewFromOptions">src/vec/is/is/utils/iscoloring.c</A>


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


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