MuonVal::MuonSDOAnalysis::HistoSet Node1 MuonVal::MuonSDOAnalysis ::HistoSet + identifier + HistoSet() + HistoSet() Node2 TH1 Node2->Node1 +h_localZ +h_pdgId +h_stationPhi +h_rzPos +h_sdoWord +h_eventIndex +h_xyPos +h_stationEta +h_radius