BeamSpotPdf Node1 BeamSpotPdf # m_x # m_y # m_z # m_vxx # m_vyy # m_vxy # m_mx # m_sx # m_ax # m_my and 22 more... + BeamSpotPdf() + BeamSpotPdf() + BeamSpotPdf() + clone() + ~BeamSpotPdf() + getAnalyticalIntegral() + analyticalIntegral() + BeamSpotPdf() + BeamSpotPdf() + BeamSpotPdf() + clone() + ~BeamSpotPdf() + getAnalyticalIntegral() + analyticalIntegral() # evaluate() # evaluate() Node2 RooAbsPdf Node2->Node1