Method RequestUpdateExtent

Filters/ParallelImaging/vtkExtractPiece.cxx:27–38

=============================================================================

//=============================================================================
int vtkExtractPiece::RequestUpdateExtent(vtkInformation* vtkNotUsed(request),
  vtkInformationVector** inputVector, vtkInformationVector* vtkNotUsed(outputVector))
{
  // get the info object
  vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);

  inInfo->Set(vtkStreamingDemandDrivenPipeline::UPDATE_PIECE_NUMBER(), 0);
  inInfo->Set(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_PIECES(), 1);
  inInfo->Set(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_GHOST_LEVELS(), 0);

  return 1;
}

//=============================================================================
int vtkExtractPiece::RequestDataObject(