[vtkusers] MPI Offscreen Volume Rendering

[Kevin H. Hobbs]

On Wed, 2006-05-17 at 08:29 -0600, Wylie, Brian wrote:
> All,
> 
> There is functionality in ParaView which will take an unstructured grid,
> chop it up along axis aligned boundaries with D3
> (vtkDataDistributionFilter) and create a DAG (Directed Acyclic Graph)
> based on the current viewpoint and then alpha blend the results. Which
> gives you parallel unstructured volume rendering. :)
> 
> If you want to do the same sort of thing in VTK it might be helpful to
> reuse some of the functionality from ParaView or at least poke around
> the code a bit.

Are you talking about vtkDistributedDataFilter? I've had it working.
Alpha blend as opposed to composite? The compositers don't seem to work
with volume rendering as far as I've been able to tell.
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