APWeightHist Node1 APWeightHist - m_computed_entries - m_binned_weights - m_bin_dists - m_SumSys2 - m_graph_stat - m_graph_syst + APWeightHist() + APWeightHist() + ~APWeightHist() + Fill() + GetGraphStatUncert() + GetGraphSystUncert() + ComputeGraph() + GetBinPDF() + ClassDef() Node2 TH1D + GetBinContent() + SetBinContent() Node2->Node1