FasTrackConnector::LayerGroup Node1 FasTrackConnector:: LayerGroup + m_dst + LayerGroup() Node2 std::vector< const FasTrackConnection * > Node2->Node1 +m_sources Node3 FasTrackConnection + m_src + m_dst + FasTrackConnection() + ~FasTrackConnection() Node3->Node2 +elements Node4 std::vector< int > + elements Node4->Node3 +m_binTable