VRoute Node1 VRoute - m_zPos - m_rMin - m_rMax - m_rExit - m_next - m_volumes + VRoute() + VRoute() + rMin() + rMax() + zPos() + rExit() + position() + exit() + nextRoute() + volumes() + addVolume() + setNextRoute() Node2 Route - m_exitVolume - m_name + entryVolume() + exitVolume() + Route() + Route() + ~Route() + position() + exit() + nextRoute() + volumes() + setNextRoute() + name() + addVolume() + setExitVolume() Node2->Node1