Function vtkShallowCopy

Filters/Parallel/vtkCleanArrays.cxx:30–54

}

inline void vtkShallowCopy(vtkDataObject* output, vtkDataObject* input)
{
  vtkCompositeDataSet* cdout = vtkCompositeDataSet::SafeDownCast(output);
  if (cdout == nullptr)
  {
    output->ShallowCopy(input);
    return;
  }

  // We can't use vtkCompositeDataSet::ShallowCopy() since that simply passes
  // the leaf datasets without actually shallowcopying them. That doesn't work
  // in our case since we will be modifying the datasets in the output.
  vtkCompositeDataSet* cdin = vtkCompositeDataSet::SafeDownCast(input);
  cdout->CopyStructure(cdin);
  vtkSmartPointer<vtkCompositeDataIterator> initer;
  initer.TakeReference(cdin->NewIterator());
  for (initer->InitTraversal(); !initer->IsDoneWithTraversal(); initer->GoToNextItem())
  {
    vtkDataObject* in = initer->GetCurrentDataObject();
    vtkDataObject* clone = in->NewInstance();
    clone->ShallowCopy(in);
    cdout->SetDataSet(initer, clone);
    clone->FastDelete();
  }
}

vtkStandardNewMacro(vtkCleanArrays);
vtkCxxSetObjectMacro(vtkCleanArrays, Controller, vtkMultiProcessController);