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KinematicState Class Reference

Class providing a state of particle needed for Kinematic Fit. More...

#include <RecoVertex/KinematicFitPrimitives/interface/KinematicState.h>

List of all members.

Public Member Functions
FreeTrajectoryState	freeTrajectoryState () const
	KinematicState -> FreeTrajectoryState converter.
GlobalVector	globalMomentum () const
GlobalPoint	globalPosition () const
bool	isValid () const
KinematicParameters	kinematicParameters () const
KinematicParametersError	kinematicParametersError () const
	KinematicState (const KinematicParameters &parameters, const KinematicParametersError &error, const TrackCharge &charge, const MagneticField *field)
	Constructor taking directly KinematicParameters KinematicError and Charge.
	KinematicState ()
	Default constructor for internal KinematicFitPrimitives library needs only.
const MagneticField *	magneticField () const
ParticleMass	mass () const
	Access methods to parameters and private data.
bool	operator== (const KinematicState &other) const
TrackCharge	particleCharge () const
Private Attributes
TrackCharge	ch
KinematicParametersError	err
KinematicParameters	param
const MagneticField *	theField
bool	vl

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Detailed Description

Class providing a state of particle needed for Kinematic Fit.

Kirill Prokofiev, March 2003

Definition at line 18 of file KinematicState.h.

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Constructor & Destructor Documentation

KinematicState::KinematicState

(

)

[inline]

Default constructor for internal KinematicFitPrimitives library needs only.

Definition at line 27 of file KinematicState.h.

References vl.

 {vl = false;}

KinematicState::KinematicState	(	const KinematicParameters &	parameters,
		const KinematicParametersError &	error,
		const TrackCharge &	charge,
		const MagneticField *	field
	)

Constructor taking directly KinematicParameters KinematicError and Charge.

To be used with proper KinematicStateBuilder.

Definition at line 4 of file KinematicState.cc.

                                    :
        theField(field), param(parameters),err(error), ch(charge), vl(true)
{}

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Member Function Documentation

FreeTrajectoryState KinematicState::freeTrajectoryState

(

)

const

KinematicState -> FreeTrajectoryState converter.

Definition at line 37 of file KinematicState.cc.

References globalMomentum(), globalPosition(), kinematicParametersError(), KinematicParametersError::matrix(), particleCharge(), and theField.

Referenced by KinematicRefittedTrackState::freeTrajectoryState(), PerigeeKinematicState::PerigeeKinematicState(), TrackKinematicStatePropagator::propagateToTheTransversePCACharged(), and TrackKinematicStatePropagator::propagateToTheTransversePCANeutral().

{
 GlobalTrajectoryParameters globalPar(globalPosition(), globalMomentum(),
        particleCharge(), theField);
 AlgebraicSymMatrix66 cError =
        kinematicParametersError().matrix().Sub<AlgebraicSymMatrix66>(0,0);
 CartesianTrajectoryError cartError(cError);
// cout<<"conversion called"<<endl;
// cout<<"parameters::position"<<globalPosition()<<endl;
// cout<<"parameters::momentum"<<globalMomentum()<<endl;
// cout<<"parameters::error"<<cError<<endl;
 return FreeTrajectoryState(globalPar,cartError);
}

GlobalVector KinematicState::globalMomentum

(

)

const

Definition at line 28 of file KinematicState.cc.

References KinematicParameters::momentum(), and param.

Referenced by ParticleKinematicLinearizedTrackState::computeChargedJacobians(), ParticleKinematicLinearizedTrackState::computeNeutralJacobians(), KinematicPerigeeConversions::extendedPerigeeFromKinematicParameters(), freeTrajectoryState(), KinematicRefittedTrackState::kinematicMomentumVector(), TrackKinematicStatePropagator::propagateToTheTransversePCACharged(), and TrackKinematicStatePropagator::propagateToTheTransversePCANeutral().

{return param.momentum();}

GlobalPoint KinematicState::globalPosition

(

)

const

Definition at line 31 of file KinematicState.cc.

References param, and KinematicParameters::position().

Referenced by ParticleKinematicLinearizedTrackState::computeChargedJacobians(), ParticleKinematicLinearizedTrackState::computeNeutralJacobians(), KinematicPerigeeConversions::extendedPerigeeFromKinematicParameters(), freeTrajectoryState(), KinematicRefittedTrackState::momentumVector(), KinematicRefittedTrackState::parameters(), KinematicRefittedTrackState::position(), TrackKinematicStatePropagator::propagateToTheTransversePCACharged(), and TrackKinematicStatePropagator::propagateToTheTransversePCANeutral().

{return param.position();}

bool KinematicState::isValid

(

void

)

const [inline]

Definition at line 63 of file KinematicState.h.

References vl.

Referenced by PerigeeKinematicState::PerigeeKinematicState().

 {return vl;}

KinematicParameters KinematicState::kinematicParameters

(

)

const

Definition at line 22 of file KinematicState.cc.

References param.

Referenced by KinematicRefittedTrackState::kinematicParameters(), operator==(), TrackKinematicStatePropagator::propagateToTheTransversePCANeutral(), VirtualKinematicParticle::stateAtPoint(), and TransientTrackKinematicParticle::stateAtPoint().

{return param;}

KinematicParametersError KinematicState::kinematicParametersError

(

)

const

Definition at line 25 of file KinematicState.cc.

References err.

Referenced by freeTrajectoryState(), KinematicRefittedTrackState::kinematicParametersCovariance(), operator==(), PerigeeKinematicState::PerigeeKinematicState(), TrackKinematicStatePropagator::propagateToTheTransversePCACharged(), and TrackKinematicStatePropagator::propagateToTheTransversePCANeutral().

{return err;}

const MagneticField* KinematicState::magneticField

(

)

const [inline]

Definition at line 66 of file KinematicState.h.

References theField.

Referenced by KinematicPerigeeConversions::extendedPerigeeFromKinematicParameters(), TrackKinematicStatePropagator::propagateToTheTransversePCACharged(), TrackKinematicStatePropagator::propagateToTheTransversePCANeutral(), KinematicRefittedTrackState::trajectoryStateOnSurface(), TransientTrackKinematicParticle::TransientTrackKinematicParticle(), and VirtualKinematicParticle::VirtualKinematicParticle().

{return theField;}

ParticleMass KinematicState::mass

(

)

const

Access methods to parameters and private data.

Definition at line 19 of file KinematicState.cc.

References param, and KinematicParameters::vector().

Referenced by KinematicPerigeeConversions::extendedPerigeeFromKinematicParameters(), KinematicRefittedTrackState::kinematicMomentumVector(), and TrackKinematicStatePropagator::propagateToTheTransversePCACharged().

{return param.vector()[6];}

bool KinematicState::operator==

(

const KinematicState &

other

)

const

Definition at line 11 of file KinematicState.cc.

References kinematicParameters(), kinematicParametersError(), KinematicParametersError::matrix(), res, and KinematicParameters::vector().

{
 bool res = false;
 if((kinematicParameters().vector() == other.kinematicParameters().vector())&&
    (kinematicParametersError().matrix() == other.kinematicParametersError().matrix())) res = true;
 return res;
}

TrackCharge KinematicState::particleCharge

(

)

const

Definition at line 34 of file KinematicState.cc.

References ch.

Referenced by KinematicPerigeeConversions::extendedPerigeeFromKinematicParameters(), freeTrajectoryState(), TrackKinematicStatePropagator::propagateToTheTransversePCA(), TrackKinematicStatePropagator::propagateToTheTransversePCACharged(), and TrackKinematicStatePropagator::propagateToTheTransversePCANeutral().

{return ch;}

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Member Data Documentation

TrackCharge KinematicState::ch [private]

Definition at line 74 of file KinematicState.h.

Referenced by particleCharge().

KinematicParametersError KinematicState::err [private]

Definition at line 73 of file KinematicState.h.

Referenced by kinematicParametersError().

KinematicParameters KinematicState::param [private]

Definition at line 72 of file KinematicState.h.

Referenced by globalMomentum(), globalPosition(), kinematicParameters(), and mass().

const MagneticField* KinematicState::theField [private]

Definition at line 71 of file KinematicState.h.

Referenced by freeTrajectoryState(), and magneticField().

bool KinematicState::vl [private]

Definition at line 76 of file KinematicState.h.

Referenced by isValid(), and KinematicState().

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The documentation for this class was generated from the following files:

• RecoVertex/KinematicFitPrimitives/interface/KinematicState.h
• RecoVertex/KinematicFitPrimitives/src/KinematicState.cc

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