Fire RequestData for provided information objects.Collect output blocks and put them in an output composite data.Fire RequestData for these proxy objects in parallel.Construct proxy information objects for each block. ![]() If primary input is composite but the filter’s input is non-composite Analyze request and input information objectsī. VtkCompositeDataPipeline(and its derivative vtkPVCompositeDataPipeline) does 1, 2 but not 3!Ī. ![]() So, If only there was a way to have filters to execute in the VTK pipeline while conforming to 1, 2, and 3. VtkConnectivityFilter and few others that need ghost-geometry/inter-process communication are exceptions to this rule. If you think about it, for most filters such as vtkTriangleFilter / vtkElevation / vtkThreshold / vtkContourFilter / vtkClipDataSet / similar, there is no need for inter-process(thread) communication.
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