Method RecursivelyProcessTree

IO/XML/vtkXMLPHyperTreeGridReader.cxx:542–578

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

//------------------------------------------------------------------------------
void vtkXMLPHyperTreeGridReader::RecursivelyProcessTree(
  vtkHyperTreeGridNonOrientedCursor* inCursor, vtkHyperTreeGridNonOrientedCursor* outCursor)
{
  // Retrieve input grid
  vtkHyperTreeGrid* input = inCursor->GetGrid();

  // Descend further into input trees only if cursor is not at leaf
  if (!inCursor->IsLeaf())
  {
    // Cursor is not at leaf, subdivide output tree one level further
    // PKF outTree->SubdivideLeaf( outCursor );
    outCursor->SubdivideLeaf();

    // If input cursor is neither at leaf nor at maximum depth, recurse to all children
    int numChildren = input->GetNumberOfChildren();
    for (int child = 0; child < numChildren; ++child)
    {
      // Create child cursor from parent in input grid
      // PKF vtkHyperTreeGridCursor* childCursor = inCursor->Clone();
      vtkHyperTreeGridNonOrientedCursor* childCursor = inCursor->Clone();
      childCursor->ToChild(child);

      // Descend into child in output grid as well
      outCursor->ToChild(child);

      // Recurse and keep track of whether some children are kept
      this->RecursivelyProcessTree(childCursor, outCursor);

      // Return to parent in output grid
      outCursor->ToParent();

      // Clean up
      childCursor->Delete();
      childCursor = nullptr;
    }
  }
}
VTK_ABI_NAMESPACE_END