Method MarshallDataSet

Filters/ParallelGeometry/vtkPDistributedDataFilter.cxx:2372–2404

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//------------------------------------------------------------------------------
char* vtkPDistributedDataFilter::MarshallDataSet(vtkUnstructuredGrid* extractedGrid, vtkIdType& len)
{
  TimeLog timer("MarshallDataSet", this->Timing);
  (void)timer;

  // taken from vtkCommunicator::WriteDataSet

  vtkUnstructuredGrid* copy;
  vtkDataSetWriter* writer = vtkDataSetWriter::New();

  copy = extractedGrid->NewInstance();
  copy->ShallowCopy(extractedGrid);

  // There is a problem with binary files with no data.
  if (copy->GetNumberOfCells() > 0)
  {
    writer->SetFileTypeToBinary();
  }
  writer->WriteToOutputStringOn();
  writer->SetInputData(copy);

  writer->Write();

  len = writer->GetOutputStringLength();

  char* packedFormat = writer->RegisterAndGetOutputString();

  writer->Delete();

  copy->Delete();

  return packedFormat;
}

//------------------------------------------------------------------------------
vtkUnstructuredGrid* vtkPDistributedDataFilter::UnMarshallDataSet(char* buf, vtkIdType size)