Method ReadPieceData

IO/XML/vtkXMLPUnstructuredDataReader.cxx:311–337

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//------------------------------------------------------------------------------
int vtkXMLPUnstructuredDataReader::ReadPieceData()
{
  // Use the internal reader to read the piece.
  this->PieceReaders[this->Piece]->UpdatePiece(0, 1, this->UpdateGhostLevel);

  vtkPointSet* input = this->GetPieceInputAsPointSet(this->Piece);
  vtkPointSet* output = vtkPointSet::SafeDownCast(this->GetCurrentOutput());

  // If there are some points, but no PPoints element, report the
  // error.
  if (!this->PPointsElement && (this->GetNumberOfPoints() > 0))
  {
    vtkErrorMacro("Could not find PPoints element with 1 array.");
    return 0;
  }

  if (!input->GetPoints())
  {
    return 0;
  }

  // Copy the points array.
  this->CopyArrayForPoints(input->GetPoints()->GetData(), output->GetPoints()->GetData());

  // Let the superclass read the data it wants.
  return this->Superclass::ReadPieceData();
}

//------------------------------------------------------------------------------
void vtkXMLPUnstructuredDataReader::CopyArrayForPoints(