Should we make a new viewer based on VTK binary that automatically manages 
the multiple files and headers etc?

   Barry

On Jul 4, 2011, at 10:06 PM, Jed Brown wrote:

> On Mon, Jul 4, 2011 at 21:44, Barry Smith <bsmith at mcs.anl.gov> wrote:
> What are the recommended visualization packages for use with PETSc (for 
> example making movies of contour plots and isosurfaces) and what are the 
> recommended data formats to use to save Vecs for visualization?
> 
> VisIt and ParaView are the primary choices. In my experience, VisIt is a more 
> complete system, but ParaView is easier to install and probably easier to get 
> started with.
> 
> The VTK XML or binary formats are the easiest to get started with. See 
> src/ts/examples/tutorials/ex14.c for an example of writing an XML file 
> containing two fields on different grids (2D and 3D, structured, but 
> deformed) in parallel. All file formats are horrible non-extensible crud, 
> usually grown out of a particular application with structured grids of 
> low-order/non-exotic basis functions on unstructured grids. They tend not to 
> retain enough semantic information to reconstruct a state for further 
> computations and also work for visualization without needing additional 
> application-provided information.


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