Method SetDataSetFrom

Common/DataModel/vtkDataObjectTree.cxx:263–300

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//------------------------------------------------------------------------------
void vtkDataObjectTree::SetDataSetFrom(
  vtkDataObjectTreeIterator* dObjTreeIter, vtkDataObject* dataObj)
{
  if (!dObjTreeIter || dObjTreeIter->IsDoneWithTraversal())
  {
    vtkErrorMacro("Invalid iterator location.");
    return;
  }

  vtkDataObjectTreeIndex index = dObjTreeIter->GetCurrentIndex();

  if (index.empty())
  {
    // Sanity check.
    vtkErrorMacro("Invalid index returned by iterator.");
    return;
  }

  vtkDataObjectTree* parent = this;
  int numIndices = static_cast<int>(index.size());
  for (int cc = 0; cc < numIndices - 1; cc++)
  {
    if (!parent || parent->GetNumberOfChildren() <= index[cc])
    {
      vtkErrorMacro("Structure is not expected. Did you forget to use copy structure?");
      return;
    }
    parent = vtkDataObjectTree::SafeDownCast(parent->GetChild(index[cc]));
  }

  if (!parent || parent->GetNumberOfChildren() <= index.back())
  {
    vtkErrorMacro("Structure is not expected. Did you forget to use copy structure?");
    return;
  }

  parent->SetChild(index.back(), dataObj);
}

//------------------------------------------------------------------------------
vtkDataObject* vtkDataObjectTree::GetDataSet(vtkCompositeDataIterator* compositeIter)