:orphan:
# PetscViewerSetUp
Sets up the internal viewer data structures for the later use.
## Synopsis
```
#include "petscviewer.h"
PetscErrorCode PetscViewerSetUp(PetscViewer viewer)
```
Collective
## Input Parameter
- ***viewer -*** the `PetscViewer` context
## Note
For basic use of the `PetscViewer` classes the user need not explicitly call
`PetscViewerSetUp()`, since these actions will happen automatically.
## See Also
[](sec_viewers), `PetscViewer`, `PetscViewerCreate()`, `PetscViewerDestroy()`
## Level
advanced
## Location
src/sys/classes/viewer/interface/view.c
## Implementations
PetscViewerSetUp_ExodusII in src/dm/impls/plex/plexexodusii.c
PetscViewerSetUp_Binary in src/sys/classes/viewer/impls/binary/binv.c
PetscViewerSetUp_HDF5 in src/sys/classes/viewer/impls/hdf5/hdf5v.c
---
[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/classes/viewer/interface/view.c)
[Index of all Viewer routines](index.md)
[Table of Contents for all manual pages](/manualpages/index.md)
[Index of all manual pages](/manualpages/singleindex.md)