Method RequestDataObject

IO/Infovis/vtkDIMACSGraphReader.cxx:505–527

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
int vtkDIMACSGraphReader::RequestDataObject(
  vtkInformation*, vtkInformationVector**, vtkInformationVector*)
{
  ReadGraphMetaData();

  vtkDataObject* current = this->GetExecutive()->GetOutputData(0);
  if (!current || (this->Directed && !vtkDirectedGraph::SafeDownCast(current)) ||
    (!this->Directed && vtkDirectedGraph::SafeDownCast(current)))
  {
    vtkGraph* output = nullptr;
    if (this->Directed)
    {
      output = vtkDirectedGraph::New();
    }
    else
    {
      output = vtkUndirectedGraph::New();
    }
    this->GetExecutive()->SetOutputData(0, output);
    output->Delete();
  }
  return 1;
}
VTK_ABI_NAMESPACE_END