Graphical Class Hierarchy Node0 TIDA::Associator< T, S > Node1 Associator_DeltaEtaPhi Node0->Node1 Node2 Associator_DeltaRCosmics Node0->Node2 Node3 Associator_TruthMatcher Node0->Node3 Node4 TrackMatchDeltaR Node0->Node4 Node5 TrackMatchDeltaRCosmic Node0->Node5