IDTPM2::TrackParameters::ParHistograms Node1 IDTPM2::TrackParameters ::ParHistograms + m_pt + m_z0 + m_z0sin + m_theta + m_qoverp + m_prodR + m_prodZ + m_sigma_pt + m_sigma_eta + m_sigma_phi + m_sigma_d0 + m_sigma_z0 + m_sigma_z0sin + m_sigma_theta + m_significance_d0 + initialize() + fill() Node2 TIDA::Histogram< float > - m_monTool - m_name - m_varname - m_initialised + HistogramBase() + HistogramBase() + Fill() + operator->() + name() + varname() + initialised() + monTool() Node2->Node1 +m_Et +m_EtovPt +m_author +m_chi2 +m_chi2OverNdof +m_d0 +m_eta +m_nSiHits +m_ndof +m_phi  ... Node3 TIDA::HistogramBase - m_monTool - m_initialised + HistogramBase() + HistogramBase() + name() + varname() + initialised() + monTool() Node3->Node2 Node6 TIDA::Histogram2D< float > - m_monTool - m_name - m_varname - m_initialised + HistogramBase() + HistogramBase() + Fill() + operator->() + name() + varname() + initialised() + monTool() Node3->Node6 Node4 std::string     Node4->Node3 -m_name -m_varname Node5 std::basic_string< Char >     Node5->Node4 Node6->Node1 +m_nSiHits_vs_eta