Function CopyInputTreeToOutput

Testing/Core/Testing/Cxx/TestDataObjectCompare.cxx:1019–1045

* Recursively deep copy the input tree pointed by the cursor * to the output, ignoring masked branches. This will create a new HTG * with a totally different internal structure, * that should still be identical to the original one. */

 * that should still be identical to the original one.
 */
void CopyInputTreeToOutput(vtkHyperTreeGridNonOrientedCursor* inCursor,
  vtkHyperTreeGridNonOrientedCursor* outCursor, vtkCellData* inCellData, vtkCellData* outCellData,
  vtkBitArray* inMask, vtkBitArray* outMask)
{
  vtkIdType outIdx = outCursor->GetGlobalNodeIndex();
  vtkIdType inIdx = inCursor->GetGlobalNodeIndex();
  if (inMask)
  {
    outMask->InsertTuple1(outIdx, inMask->GetValue(inIdx));
  }
  outCellData->InsertTuple(outIdx, inIdx, inCellData);
  if (!inCursor->IsMasked())
  {
    if (!inCursor->IsLeaf())
    {
      outCursor->SubdivideLeaf();
      for (int ichild = 0; ichild < inCursor->GetNumberOfChildren(); ++ichild)
      {
        outCursor->ToChild(ichild);
        inCursor->ToChild(ichild);
        ::CopyInputTreeToOutput(inCursor, outCursor, inCellData, outCellData, inMask, outMask);
        outCursor->ToParent();
        inCursor->ToParent();
      }
    }
  }
}

/**
 * Compare HyperTreeGrid with a different memory layout.