[petsc-dev] DMplex reader / viewers

[Jed Brown]

Brad Aagaard <baagaard at usgs.gov> writes:
> I agree that one would probably not visualize "checkpoint" files nor 
> restart from "visualization" files. I wasn't able to follow where the 
> discussion separated these issues. Is the DMPlex I/O targeting 
> checkpointing and ExodusII/HDF5/etc targeting viz?

All the existing formats are targeting viz.  I think it's cleaner to
have only one IO mechanism that needs to be optimized, but viz plugins
are inconvenient at present and support for mock-in-situ (viz
application uses application to load and compute derived quantities) is
sorely lacking.  There is a relevant DOE call out now with preproposals
due next week.  If this is important and we can organize a plan of
action, it may be worth submitting a preproposal.
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