CaloTowerContainer_p1 Node1 CaloTowerContainer_p1 Node2 CaloTowerSeg_p1 + m_neta + m_nphi + m_etamin + m_etamax + m_phimin + m_phimax + m_deta + m_dphi + CaloTowerSeg_p1() Node2->Node1 +m_towerSeg Node3 std::vector< unsigned int > + elements Node3->Node1 +m_caloRegions