CaloRings_p1 Node1 CaloRings_p1 + CaloRings_p1() + ~CaloRings_p1() Node2 std::vector< int > + elements Node2->Node1 -m_layers Node3 std::vector< float > + elements Node3->Node1 -m_rings -m_deltaPhi -m_deltaEta Node4 std::vector< unsigned int > + elements Node4->Node1 -m_nLayers -m_nRings