G4FieldManagerToolBase Node1 G4FieldManagerToolBase # m_fieldOn # m_integratorStepper # m_equationOfMotion + G4FieldManagerToolBase() + ~G4FieldManagerToolBase() + initialize() # getStepper() # setFieldParameters() * m_minEps * m_maxEps * m_deltaChord * m_deltaOneStep * m_deltaIntersection * m_maxStep * m_minStep Node2 extends< AthAlgTool, IFieldManagerTool > Node2->Node1 Node3 ServiceHandle< IG4FieldSvc > Node3->Node1 #m_fieldSvc