Method DeepCopy

Common/DataModel/vtkDataObjectTree.cxx:494–525

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

//------------------------------------------------------------------------------
void vtkDataObjectTree::DeepCopy(vtkDataObject* src)
{
  if (src == this)
  {
    return;
  }

  this->Internals->Children.clear();
  this->Superclass::DeepCopy(src);

  if (auto from = vtkDataObjectTree::SafeDownCast(src))
  {
    unsigned int numChildren = from->GetNumberOfChildren();
    this->SetNumberOfChildren(numChildren);
    for (unsigned int cc = 0; cc < numChildren; cc++)
    {
      if (auto fromChild = from->GetChild(cc))
      {
        vtkDataObject* toChild = fromChild->NewInstance();
        toChild->DeepCopy(fromChild);
        this->SetChild(cc, toChild);
        toChild->FastDelete();
        if (from->HasChildMetaData(cc))
        {
          vtkInformation* toInfo = this->GetChildMetaData(cc);
          toInfo->Copy(from->GetChildMetaData(cc), /*deep=*/1);
        }
      }
    }
  }
  this->Modified();
}

//------------------------------------------------------------------------------
void vtkDataObjectTree::ShallowCopy(vtkDataObject* src)