LVL1::Coordinate Node1 LVL1::Coordinate - m_phi - m_eta - m_twoPi + Coordinate() + Coordinate() + ~Coordinate() + setCoords() + eta() + phi() # checkBounds() Node2 LVL1::CoordinateRange - m_phiRange - m_etaRange + CoordinateRange() + CoordinateRange() + ~CoordinateRange() + setRanges() + phiRange() + etaRange() + contains() - setCentre() Node1->Node2