egammaMonitoring::RecoPhotonHistograms Node1 egammaMonitoring::RecoPhoton Histograms - m_cR_bins + initializePlots() + fill() + fill() + fill() Node2 egammaMonitoring::Particle Histograms - m_hasFwd + initializePlots() + fill() + fill() + hasFwd() + IHistograms() + IHistograms() Node2->Node1 Node3 egammaMonitoring::IHistograms # m_rootHistSvc + IHistograms() + IHistograms() + initializePlots() + fill() + fill() + ~IHistograms() Node3->Node2 Node4 std::string Node4->Node3 #m_folder #m_name #m_title Node6 std::map< std::string, TH1D * > Node4->Node6 +keys Node5 std::basic_string< char > Node5->Node4 Node6->Node3 +histoMap Node7 TH1D + GetBinContent() + SetBinContent() Node7->Node6 +elements