#include <TransientTrackKinematicStateBuilder.h>

Public Member Functions
KinematicState	operator() (const reco::TransientTrack &track, const ParticleMass &m, float m_sigma) const

KinematicState	operator() (const reco::TransientTrack &track, const GlobalPoint &point, const ParticleMass &m, float m_sigma) const

KinematicState	operator() (const FreeTrajectoryState &state, const ParticleMass &mass, float m_sigma) const

KinematicState	operator() (const FreeTrajectoryState &state, const ParticleMass &mass, float m_sigma, const GlobalPoint &point) const

PerigeeKinematicState	operator() (const KinematicState &state, const GlobalPoint &point) const

	TransientTrackKinematicStateBuilder ()

	~TransientTrackKinematicStateBuilder ()

Private Member Functions
KinematicState	buildState (const FreeTrajectoryState &state, const ParticleMass &mass, float m_sigma) const

Private Attributes
TrackKinematicStatePropagator	propagator

Detailed Description

Kinematic State builder for TransientTrack based kinematic states. Uses TrackKinematicStatePropagator for state propagation.

Definition at line 16 of file TransientTrackKinematicStateBuilder.h.

Constructor & Destructor Documentation

◆ TransientTrackKinematicStateBuilder()

TransientTrackKinematicStateBuilder::TransientTrackKinematicStateBuilder ( )

inline

Definition at line 18 of file TransientTrackKinematicStateBuilder.h.

18 {}

◆ ~TransientTrackKinematicStateBuilder()

TransientTrackKinematicStateBuilder::~TransientTrackKinematicStateBuilder ( )

inline

Definition at line 20 of file TransientTrackKinematicStateBuilder.h.

20 {}

Member Function Documentation

◆ buildState()

KinematicState TransientTrackKinematicStateBuilder::buildState	(	const FreeTrajectoryState &	state,
		const ParticleMass &	mass,
		float	m_sigma
	)		const

private

Definition at line 56 of file TransientTrackKinematicStateBuilder.cc.

References EgHLTOffHistBins_cfi::mass.

                                                                                     {
   return KinematicState(state, mass, m_sigma);
 }

◆ operator()() [1/5]

KinematicState TransientTrackKinematicStateBuilder::operator()	(	const reco::TransientTrack &	track,
		const ParticleMass &	m,
		float	m_sigma
	)		const

Operator creating a KinematcState at RecObj definition point with given mass guess and sigma

Definition at line 5 of file TransientTrackKinematicStateBuilder.cc.

References visualization-live-secondInstance_cfg::m, and HLT_2023v12_cff::track.

                                                                                     {
   // FreeTrajectoryState * recState = track.impactPointState().freeState();
   return buildState(*(track.impactPointState().freeState()), m, m_sigma);
 }

◆ operator()() [2/5]

KinematicState TransientTrackKinematicStateBuilder::operator()	(	const reco::TransientTrack &	track,
		const GlobalPoint &	point,
		const ParticleMass &	m,
		float	m_sigma
	)		const

Operator creating a KinematicState directly out of 7 state parameters and their covariance matrix
Operator creating a KinematicState out of a RecObj and propagating it to the given point using propagator provided by user

Definition at line 20 of file TransientTrackKinematicStateBuilder.cc.

References visualization-live-secondInstance_cfg::m, point, and HLT_2023v12_cff::track.

                                                                                     {
   //  FreeTrajectoryState  recState = track.trajectoryStateClosestToPoint(point).theState();
   return buildState(track.trajectoryStateClosestToPoint(point).theState(), m, m_sigma);
 }

◆ operator()() [3/5]

KinematicState TransientTrackKinematicStateBuilder::operator()	(	const FreeTrajectoryState &	state,
		const ParticleMass &	mass,
		float	m_sigma
	)		const

Operator to create a particle state at point using the FreeTrajectoryState, charge and mass guess for the particle. The state will be created with the reference point taken from the FTS

Definition at line 28 of file TransientTrackKinematicStateBuilder.cc.

References EgHLTOffHistBins_cfi::mass.

                                                                                     {
   //building initial kinematic state
   return buildState(state, mass, m_sigma);
 }

◆ operator()() [4/5]

KinematicState TransientTrackKinematicStateBuilder::operator()	(	const FreeTrajectoryState &	state,
		const ParticleMass &	mass,
		float	m_sigma,
		const GlobalPoint &	point
	)		const

Operator to create a particle state at point using the FreeTrajectoryState, charge and mass guess for the particle. The state will be created by propagating FTS to the transvese point of closest approach to the given point

Definition at line 35 of file TransientTrackKinematicStateBuilder.cc.

References EgHLTOffHistBins_cfi::mass, point, TrackCandidateProducer_cfi::propagator, PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

                                                                                                {
   //building initial kinematic state
   KinematicState res = buildState(state, mass, m_sigma);
 
   //and propagating it to given point if needed
   GlobalPoint inPos = state.position();
   if ((inPos.x() != point.x()) || (inPos.y() != point.y()) || (inPos.z() != point.z())) {
     res = propagator.propagateToTheTransversePCA(res, point);
   }
   return res;
 }

◆ operator()() [5/5]

PerigeeKinematicState TransientTrackKinematicStateBuilder::operator()	(	const KinematicState &	state,
		const GlobalPoint &	point
	)		const

Definition at line 50 of file TransientTrackKinematicStateBuilder.cc.

References hcaldqm::flag::nState, point, and TrackCandidateProducer_cfi::propagator.

                                                                                                       {
   KinematicState nState = propagator.propagateToTheTransversePCA(state, point);
   return PerigeeKinematicState(nState, point);
 }

Member Data Documentation

◆ propagator

TrackKinematicStatePropagator TransientTrackKinematicStateBuilder::propagator