[Paraview-developers] Externally initialized MPI comm

[Fabian, Nathan]

Hi,

I think if I'm understanding the code correctly, when you initialize
MPIController externally e.g.: Initialize (&argc, &argv, 1) it's always
going to grab MPI_COMM_WORLD.

I'd like to add the capability (assuming it's not already there and I'm
missing it) to pass in a split communicator from an external application
(coprocessing context).  I would likely need to expose some properties of
vtkMPICommunicatorOpaqueComm.  Does anyone have any suggestions or
reservations about my doing this?

Thanks,
Nathan.