[vtkusers] vtkCompositePipeline, vtkMultiBlockDataSet and parallel computation

[Mathieu Westphal]

Hello

I'm trying to use the possiblity of the vtkCompositePipeline in order to 
use multiple core to process data.

As far as i understand, i need to cut my data into seperate piece to 
fill a vtkMultiBlockDataSet and then all filter, even not 
composite/multiblock aware filter whould work fine with it.

But i've tried to put a vtkMultiBlockDataSet into a vtkOutlineFilter, 
but i got

vtkStreamingDemandDrivenPipeline (0x181e5e0): Input for connection index 
0 on input port index 0 for algorithm vtkOutlineFilter(0x181cc30) is of 
type vtkMultiBlockDataSet, but a vtkDataSet is required.

Any idea, example, toturial shwoing how to use this 
vtkCompositePipeline? Only the filter listed here 
<http://www.vtk.org/doc/nightly/html/classvtkMultiBlockDataSetAlgorithm.html> 
will work with vtkMuliBlockDataSet? Do the use of 
vtkCompositeDataPipeline will allow parallelism in my software?

Thanks

Mathieu
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