histogramDigitVariables Node1 histogramDigitVariables Node2 std::vector< std::vector < int > > Node2->Node1 +NSWMM_dig_stripPosition Node3 std::vector< int > + elements Node3->Node1 +NSWMM_dig_stationEta +NSWMM_dig_multiplet +NSWMM_dig_stationPhi +NSWMM_dig_channel +NSWMM_dig_gas_gap Node3->Node2 +elements Node4 std::vector< std::vector < float > > Node4->Node1 +NSWMM_dig_time +NSWMM_dig_charge Node5 std::vector< float > + elements Node5->Node4 +elements Node6 std::vector< std::vector < double > > + elements Node6->Node1 +NSWMM_dig_stripLposY +NSWMM_dig_stripGposX +NSWMM_dig_stripGposY +NSWMM_dig_stripGposZ +NSWMM_dig_stripLposX Node7 std::vector< std::string > Node7->Node1 +NSWMM_dig_stationName Node8 std::string Node8->Node7 +elements Node9 std::basic_string< char > Node9->Node8