Trk::ComponentParameters Node1 Trk::ComponentParameters + weight Node2 std::unique_ptr< Trk ::ParametersBase > + operator->() Node2->Node1 +params Node3 Trk::ParametersBase < DIM, T > # m_position # m_momentum + ~ParametersBase() + charge() + position() + momentum() + pT() + eta() + operator==() + hasSurface() + associatedSurface() + measurementFrame() and 6 more... # ParametersBase() # ParametersBase() # operator=() # ParametersBase() # operator=() # ParametersBase() # ParametersBase() # ParametersBase() # updateParametersHelper() Node3->Node2 +ptr Node4 Trk::ParametersCommon < DIM, T > + dim # m_covariance + AmgVector() + AmgVector() + AmgSymMatrix() + AmgSymMatrix() + isCharged() + localPosition() + setParameters() + setCovariance() + updateParameters() + updateParameters() and 7 more... # ParametersCommon() # ParametersCommon() # operator=() # ParametersCommon() # operator=() # ParametersCommon() # ParametersCommon() # ParametersCommon() # updateParametersHelper() # AmgVector() Node4->Node3 Node5 T Node5->Node4 #m_chargeDef