JacobianCurvilinearToCartesian Class Reference

#include <JacobianCurvilinearToCartesian.h>

Public Member Functions
const AlgebraicMatrix65 &	jacobian () const
	JacobianCurvilinearToCartesian (const GlobalTrajectoryParameters &globalParameters)

Private Attributes
AlgebraicMatrix65	theJacobian

Detailed Description

Class which calculates the Jacobian matrix of the transformation from the curvilinear to the Cartesian frame. The Jacobian is calculated during construction and thereafter cached, enabling reuse of the same Jacobian without calculating it again.

Definition at line 14 of file JacobianCurvilinearToCartesian.h.

Constructor & Destructor Documentation

JacobianCurvilinearToCartesian()

JacobianCurvilinearToCartesian::JacobianCurvilinearToCartesian

(

const GlobalTrajectoryParameters &

globalParameters

)

Constructor from global trajectory parameters. NB!! No default constructor exists!

Definition at line 5 of file JacobianCurvilinearToCartesian.cc.

    : theJacobian(jacobianCurvilinearToCartesian(globalParameters.momentum(), globalParameters.charge())) {}

Member Function Documentation

jacobian()

const AlgebraicMatrix65& JacobianCurvilinearToCartesian::jacobian ( ) const

inline

Access to Jacobian.

Definition at line 24 of file JacobianCurvilinearToCartesian.h.

{ return theJacobian; }

References theJacobian.

Referenced by FreeTrajectoryState::createCartesianError(), TrackKinematicStatePropagator::propagateToTheTransversePCACharged(), and TrackKinematicStatePropagator::propagateToTheTransversePCANeutral().

Member Data Documentation

theJacobian

AlgebraicMatrix65 JacobianCurvilinearToCartesian::theJacobian

private

Definition at line 27 of file JacobianCurvilinearToCartesian.h.

Referenced by jacobian().