FasTrackConnector Node1 FasTrackConnector + m_etaBin + FasTrackConnector() + ~FasTrackConnector() Node2 std::map< int, std ::vector< FasTrackConnection * > > + keys Node2->Node1 +m_connMap Node3 std::vector< FasTrackConnection * > Node3->Node2 +elements Node4 FasTrackConnection + m_src + m_dst + FasTrackConnection() + ~FasTrackConnection() Node4->Node3 +elements Node5 std::vector< int > + elements Node5->Node4 +m_binTable Node6 std::map< int, std ::vector< struct FasTrackConnector ::LayerGroup > > + keys Node6->Node1 +m_layerGroups Node7 std::vector< struct FasTrackConnector:: LayerGroup > Node7->Node6 +elements Node8 struct Node8->Node7 +elements