:orphan:
# PetscViewerFormat
Way a viewer presents the object 
## Synopsis
```
typedef enum {
  PETSC_VIEWER_DEFAULT,
  PETSC_VIEWER_ASCII_MATLAB,
  PETSC_VIEWER_ASCII_MATHEMATICA,
  PETSC_VIEWER_ASCII_IMPL,
  PETSC_VIEWER_ASCII_INFO,
  PETSC_VIEWER_ASCII_INFO_DETAIL,
  PETSC_VIEWER_ASCII_COMMON,
  PETSC_VIEWER_ASCII_SYMMODU,
  PETSC_VIEWER_ASCII_INDEX,
  PETSC_VIEWER_ASCII_DENSE,
  PETSC_VIEWER_ASCII_MATRIXMARKET,
  PETSC_VIEWER_ASCII_VTK_DEPRECATED,
  PETSC_VIEWER_ASCII_VTK_ATTR = PETSC_VIEWER_ASCII_VTK_DEPRECATED,
  PETSC_VIEWER_ASCII_VTK_CELL_DEPRECATED,
  PETSC_VIEWER_ASCII_VTK_CELL_ATTR = PETSC_VIEWER_ASCII_VTK_CELL_DEPRECATED,
  PETSC_VIEWER_ASCII_VTK_COORDS_DEPRECATED,
  PETSC_VIEWER_ASCII_VTK_COORDS_ATTR = PETSC_VIEWER_ASCII_VTK_COORDS_DEPRECATED,
  PETSC_VIEWER_ASCII_PCICE,
  PETSC_VIEWER_ASCII_PYTHON,
  PETSC_VIEWER_ASCII_FACTOR_INFO,
  PETSC_VIEWER_ASCII_LATEX,
  PETSC_VIEWER_ASCII_XML,
  PETSC_VIEWER_ASCII_FLAMEGRAPH,
  PETSC_VIEWER_ASCII_GLVIS,
  PETSC_VIEWER_ASCII_CSV,
  PETSC_VIEWER_DRAW_BASIC,
  PETSC_VIEWER_DRAW_LG,
  PETSC_VIEWER_DRAW_LG_XRANGE,
  PETSC_VIEWER_DRAW_CONTOUR,
  PETSC_VIEWER_DRAW_PORTS,
  PETSC_VIEWER_VTK_VTS,
  PETSC_VIEWER_VTK_VTR,
  PETSC_VIEWER_VTK_VTU,
  PETSC_VIEWER_BINARY_MATLAB,
  PETSC_VIEWER_NATIVE,
  PETSC_VIEWER_HDF5_PETSC,
  PETSC_VIEWER_HDF5_VIZ,
  PETSC_VIEWER_HDF5_XDMF,
  PETSC_VIEWER_HDF5_MAT,
  PETSC_VIEWER_NOFORMAT,
  PETSC_VIEWER_LOAD_BALANCE,
  PETSC_VIEWER_FAILED,
  PETSC_VIEWER_ALL
} PetscViewerFormat;
```

## Values

- ***`PETSC_VIEWER_DEFAULT` -*** default format for the specific object being viewed
- ***`PETSC_VIEWER_ASCII_MATLAB` -*** MATLAB format
- ***`PETSC_VIEWER_ASCII_DENSE` -*** print matrix as dense
- ***`PETSC_VIEWER_ASCII_IMPL` -*** implementation-specific format
(which is in many cases the same as the default)
- ***`PETSC_VIEWER_ASCII_INFO` -*** basic information about object
- ***`PETSC_VIEWER_ASCII_INFO_DETAIL` -*** more detailed info
about object
- ***`PETSC_VIEWER_ASCII_COMMON` -*** identical output format for
all objects of a particular type
- ***`PETSC_VIEWER_ASCII_INDEX` -*** (for vectors) prints the vector
element number next to each vector entry
- ***`PETSC_VIEWER_ASCII_SYMMODU` -*** print parallel vectors without
indicating the processor ranges
- ***`PETSC_VIEWER_ASCII_VTK` -*** outputs the object to a VTK file (deprecated since v3.14)
- ***`PETSC_VIEWER_NATIVE` -*** store the object to the binary
file in its native format (for example, dense
matrices are stored as dense), `DMDA` vectors are dumped directly to the
file instead of being first put in the natural ordering
- ***`PETSC_VIEWER_ASCII_LATEX` -*** output the data in LaTeX
- ***`PETSC_VIEWER_BINARY_MATLAB` -*** output additional information that can be used to read the data into MATLAB
- ***`PETSC_VIEWER_DRAW_BASIC` -*** views the vector with a simple 1d plot
- ***`PETSC_VIEWER_DRAW_LG` -*** views the vector with a line graph
- ***`PETSC_VIEWER_DRAW_CONTOUR` -*** views the vector with a contour plot





## Note
A variety of specialized formats also exist


## See Also
 [](sec_viewers), `PetscViewer`, `PetscViewerType`, `PetscViewerPushFormat()`, `PetscViewerPopFormat()`

## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petscviewer.h.html#PetscViewerFormat">include/petscviewer.h</A>

## Examples
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/impls/plex/tutorials/ex5.c.html">src/dm/impls/plex/tutorials/ex5.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/tutorials/ex22.c.html">src/dm/tutorials/ex22.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/tutorials/ex7.c.html">src/dm/tutorials/ex7.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/ksp/tutorials/ex27.c.html">src/ksp/ksp/tutorials/ex27.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/ksp/tutorials/ex2f.F90.html">src/ksp/ksp/tutorials/ex2f.F90</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/ksp/tutorials/ex34.c.html">src/ksp/ksp/tutorials/ex34.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/ksp/tutorials/ex54.c.html">src/ksp/ksp/tutorials/ex54.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/ksp/tutorials/ex55.c.html">src/ksp/ksp/tutorials/ex55.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/ksp/tutorials/ex56.c.html">src/ksp/ksp/tutorials/ex56.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/snes/tutorials/ex1f.F90.html">src/snes/tutorials/ex1f.F90</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/snes/tutorials/ex30.c.html">src/snes/tutorials/ex30.c</A><BR>


---
[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/include/petscviewer.h)


[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)  
