TileGeoG4CalibSample Node1 TileGeoG4CalibSample Node2 std::vector< TileGeoG4Calib Cell * > Node2->Node1 +cells Node3 TileGeoG4CalibCell + detector + sample + nrOfPeriodsInCell + TileGeoG4CalibCell() Node3->Node2 +elements Node4 std::vector< TileGeoG4Plate Cell * > Node4->Node1 +plateCells Node5 TileGeoG4PlateCell + detector + tower + sample + neighbor + eta + dEta + xBound + zBound + TileGeoG4PlateCell() Node5->Node4 +elements Node6 std::vector< int > + elements Node6->Node5 +m_nPlateCellHit +m_nPlateCellHit_negative