reco::TransientTrackFromFTS Class Reference

#include <TransientTrackFromFTS.h>

Inheritance diagram for reco::TransientTrackFromFTS:

Public Member Functions
TrackCharge	charge () const override
double	dtErrorExt () const override
const MagneticField *	field () const override
TrajectoryStateOnSurface	impactPointState () const override
bool	impactPointStateAvailable () const override
TrajectoryStateClosestToPoint	impactPointTSCP () const override
FreeTrajectoryState	initialFreeState () const override
TrajectoryStateOnSurface	innermostMeasurementState () const override
TransientTrackFromFTS &	operator= (const TransientTrackFromFTS &tt)
TrajectoryStateOnSurface	outermostMeasurementState () const override
void	setBeamSpot (const reco::BeamSpot &beamSpot) override
void	setES (const edm::EventSetup &) override
void	setTrackingGeometry (const edm::ESHandle< GlobalTrackingGeometry > &) override
TrajectoryStateClosestToBeamLine	stateAtBeamLine () const override
TrajectoryStateOnSurface	stateOnSurface (const GlobalPoint &point) const override
double	timeExt () const override
const Track &	track () const override
TrackBaseRef	trackBaseRef () const override
TrajectoryStateClosestToPoint	trajectoryStateClosestToPoint (const GlobalPoint &point) const override
	TransientTrackFromFTS ()
	TransientTrackFromFTS (const FreeTrajectoryState &fts)
	TransientTrackFromFTS (const FreeTrajectoryState &fts, const double time, const double dtime)
	TransientTrackFromFTS (const FreeTrajectoryState &fts, const edm::ESHandle< GlobalTrackingGeometry > &trackingGeometry)
	TransientTrackFromFTS (const FreeTrajectoryState &fts, const double time, const double dtime, const edm::ESHandle< GlobalTrackingGeometry > &trackingGeometry)
	TransientTrackFromFTS (const TransientTrackFromFTS &tt)
Public Member Functions inherited from reco::BasicTransientTrack
virtual CandidatePtr	candidate () const
virtual	~BasicTransientTrack ()

Private Member Functions
void	calculateTSOSAtVertex () const

Private Attributes
bool	blStateAvailable
TSCPBuilderNoMaterial	builder
double	dtErrorExt_
bool	hasTime
FreeTrajectoryState	initialFTS
TrajectoryStateClosestToPoint	initialTSCP
bool	initialTSCPAvailable
TrajectoryStateOnSurface	initialTSOS
bool	initialTSOSAvailable
reco::BeamSpot	theBeamSpot
const MagneticField *	theField
Track	theTrack
edm::ESHandle< GlobalTrackingGeometry >	theTrackingGeometry
double	timeExt_
bool	trackAvailable
TrajectoryStateClosestToBeamLine	trajectoryStateClosestToBeamLine

Additional Inherited Members
Public Types inherited from reco::BasicTransientTrack
using	BTT = BasicTransientTrack
using	Proxy = ProxyBase11< BTT >

Detailed Description

Definition at line 16 of file TransientTrackFromFTS.h.

Constructor & Destructor Documentation

TransientTrackFromFTS::TransientTrackFromFTS

(

)

Definition at line 12 of file TransientTrackFromFTS.cc.

                                             : 
  hasTime(false), timeExt_(0.), dtErrorExt_(0.),
  theField(nullptr), initialTSOSAvailable(false), initialTSCPAvailable(false),
  trackAvailable(false), blStateAvailable(false)
{}

TransientTrackFromFTS::TransientTrackFromFTS

(

const FreeTrajectoryState &

fts

)

Definition at line 18 of file TransientTrackFromFTS.cc.

                                                                            :
  initialFTS(fts), hasTime(false), timeExt_(0.), dtErrorExt_(0.),
  theField(&(initialFTS.parameters().magneticField())),
  initialTSOSAvailable(false), initialTSCPAvailable(false), trackAvailable(false),
  blStateAvailable(false)
{}

TransientTrackFromFTS::TransientTrackFromFTS	(	const FreeTrajectoryState &	fts,
		const double	time,
		const double	dtime
	)

Definition at line 25 of file TransientTrackFromFTS.cc.

                                                                 :
  initialFTS(fts), hasTime(true), timeExt_(time), dtErrorExt_(dtime),
  theField(&(initialFTS.parameters().magneticField())),
  initialTSOSAvailable(false), initialTSCPAvailable(false), trackAvailable(false),
  blStateAvailable(false)
{}

TransientTrackFromFTS::TransientTrackFromFTS	(	const FreeTrajectoryState &	fts,
		const edm::ESHandle< GlobalTrackingGeometry > &	trackingGeometry
	)

Definition at line 35 of file TransientTrackFromFTS.cc.

                                                   :
  initialFTS(fts), hasTime(false), timeExt_(0.), dtErrorExt_(0.),
  theField(&(initialFTS.parameters().magneticField())),
  initialTSOSAvailable(false), initialTSCPAvailable(false), trackAvailable(false),
  blStateAvailable(false), theTrackingGeometry(tg)
{}

TransientTrackFromFTS::TransientTrackFromFTS	(	const FreeTrajectoryState &	fts,
		const double	time,
		const double	dtime,
		const edm::ESHandle< GlobalTrackingGeometry > &	trackingGeometry
	)

Definition at line 43 of file TransientTrackFromFTS.cc.

                                                                                            :
  initialFTS(fts), hasTime(true), timeExt_(time), dtErrorExt_(dtime),
  theField(&(initialFTS.parameters().magneticField())),
  initialTSOSAvailable(false), initialTSCPAvailable(false), trackAvailable(false),
  blStateAvailable(false), theTrackingGeometry(tg)
{}

TransientTrackFromFTS::TransientTrackFromFTS

(

const TransientTrackFromFTS &

tt

)

Definition at line 54 of file TransientTrackFromFTS.cc.

References impactPointState(), impactPointTSCP(), initialTSCP, initialTSCPAvailable, initialTSOS, and initialTSOSAvailable.

                                                                               :
  initialFTS(tt.initialFreeState()), 
  hasTime(tt.hasTime), timeExt_(tt.timeExt_), dtErrorExt_(tt.dtErrorExt_),
  theField(tt.field()), initialTSOSAvailable(false),
  initialTSCPAvailable(false), trackAvailable(false)
{
  if (tt.initialTSOSAvailable) {
    initialTSOS= tt.impactPointState();
    initialTSOSAvailable = true;
  }
  if (tt.initialTSCPAvailable) {
    initialTSCP= tt.impactPointTSCP();
    initialTSCPAvailable = true;
  }
}

Member Function Documentation

void TransientTrackFromFTS::calculateTSOSAtVertex ( ) const

private

Definition at line 118 of file TransientTrackFromFTS.cc.

References TransverseImpactPointExtrapolator::extrapolate(), initialFTS, initialTSOS, initialTSOSAvailable, FreeTrajectoryState::position(), and theField.

Referenced by dtErrorExt(), and impactPointState().

{
  TransverseImpactPointExtrapolator tipe(theField);
  initialTSOS = tipe.extrapolate(initialFTS, initialFTS.position());
  initialTSOSAvailable = true;
}

TrackCharge reco::TransientTrackFromFTS::charge ( void  ) const

inlineoverridevirtual

Implements reco::BasicTransientTrack.

Definition at line 62 of file TransientTrackFromFTS.h.

References FreeTrajectoryState::charge(), and initialFTS.

{return initialFTS.charge();}

double reco::TransientTrackFromFTS::dtErrorExt ( ) const

inlineoverridevirtual

Implements reco::BasicTransientTrack.

Definition at line 73 of file TransientTrackFromFTS.h.

References calculateTSOSAtVertex(), dtErrorExt_, and hasTime.

{ return ( hasTime ? dtErrorExt_ : std::numeric_limits<double>::quiet_NaN() ); }

const MagneticField* reco::TransientTrackFromFTS::field ( ) const

inlineoverridevirtual

Implements reco::BasicTransientTrack.

Definition at line 64 of file TransientTrackFromFTS.h.

References theField, and track().

{return theField;}

TrajectoryStateOnSurface TransientTrackFromFTS::impactPointState ( ) const

overridevirtual

Implements reco::BasicTransientTrack.

Definition at line 90 of file TransientTrackFromFTS.cc.

References calculateTSOSAtVertex(), initialTSOS, initialTSOSAvailable, and UNLIKELY.

Referenced by trajectoryStateClosestToPoint(), and TransientTrackFromFTS().

{
  if UNLIKELY(!initialTSOSAvailable) calculateTSOSAtVertex();
  return initialTSOS;
}

bool reco::TransientTrackFromFTS::impactPointStateAvailable ( ) const

inlineoverridevirtual

Implements reco::BasicTransientTrack.

Definition at line 60 of file TransientTrackFromFTS.h.

References initialTSOSAvailable.

{return  initialTSOSAvailable;}

TrajectoryStateClosestToPoint TransientTrackFromFTS::impactPointTSCP ( ) const

overridevirtual

Implements reco::BasicTransientTrack.

Definition at line 96 of file TransientTrackFromFTS.cc.

References builder, initialFTS, initialTSCP, initialTSCPAvailable, FreeTrajectoryState::position(), and UNLIKELY.

Referenced by trajectoryStateClosestToPoint(), and TransientTrackFromFTS().

{
  if UNLIKELY(!initialTSCPAvailable) {
    initialTSCP = builder(initialFTS, initialFTS.position());
    initialTSCPAvailable = true;
  }
  return initialTSCP;
}

FreeTrajectoryState reco::TransientTrackFromFTS::initialFreeState ( ) const

inlineoverridevirtual

Implements reco::BasicTransientTrack.

Definition at line 41 of file TransientTrackFromFTS.h.

References initialFTS, innermostMeasurementState(), and outermostMeasurementState().

{return initialFTS;}

TrajectoryStateOnSurface TransientTrackFromFTS::innermostMeasurementState ( ) const

overridevirtual

Implements reco::BasicTransientTrack.

Definition at line 111 of file TransientTrackFromFTS.cc.

References Exception.

Referenced by initialFreeState().

{
  throw cms::Exception("LogicError") << 
    "TransientTrack built from a FreeTrajectoryState (TransientTrackFromFTS) can not have an innermostMeasurementState";
}

TransientTrackFromFTS& reco::TransientTrackFromFTS::operator=

(

const TransientTrackFromFTS &

tt

)

TrajectoryStateOnSurface TransientTrackFromFTS::outermostMeasurementState ( ) const

overridevirtual

Implements reco::BasicTransientTrack.

Definition at line 105 of file TransientTrackFromFTS.cc.

References Exception.

Referenced by initialFreeState().

{
  throw cms::Exception("LogicError") << 
    "TransientTrack built from a FreeTrajectoryState (TransientTrackFromFTS) can not have an outermostMeasurementState";
}

void TransientTrackFromFTS::setBeamSpot ( const reco::BeamSpot &  beamSpot )

overridevirtual

Implements reco::BasicTransientTrack.

Definition at line 83 of file TransientTrackFromFTS.cc.

References ecalDrivenElectronSeedsParameters_cff::beamSpot, blStateAvailable, and theBeamSpot.

{
  theBeamSpot = beamSpot;
  blStateAvailable = false;
}

void TransientTrackFromFTS::setES ( const edm::EventSetup &  setup )

overridevirtual

Implements reco::BasicTransientTrack.

Definition at line 72 of file TransientTrackFromFTS.cc.

References edm::EventSetup::get(), and theTrackingGeometry.

{
  setup.get<GlobalTrackingGeometryRecord>().get(theTrackingGeometry); 
}

void TransientTrackFromFTS::setTrackingGeometry ( const edm::ESHandle< GlobalTrackingGeometry > &  tg )

overridevirtual

Implements reco::BasicTransientTrack.

Definition at line 78 of file TransientTrackFromFTS.cc.

References theTrackingGeometry.

{
  theTrackingGeometry = tg;
}

TrajectoryStateClosestToBeamLine TransientTrackFromFTS::stateAtBeamLine ( ) const

overridevirtual

Implements reco::BasicTransientTrack.

Definition at line 147 of file TransientTrackFromFTS.cc.

References blStateAvailable, initialFTS, theBeamSpot, trajectoryStateClosestToBeamLine, and UNLIKELY.

Referenced by trackBaseRef().

{
  if UNLIKELY(!blStateAvailable) {
    TSCBLBuilderNoMaterial blsBuilder;
    trajectoryStateClosestToBeamLine = blsBuilder(initialFTS, theBeamSpot);
    blStateAvailable = true;
  }
  return trajectoryStateClosestToBeamLine;
}

TrajectoryStateOnSurface TransientTrackFromFTS::stateOnSurface ( const GlobalPoint &  point ) const

overridevirtual

The TSOS at any point. The initial state will be used for the propagation.

Implements reco::BasicTransientTrack.

Definition at line 126 of file TransientTrackFromFTS.cc.

References TransverseImpactPointExtrapolator::extrapolate(), initialFTS, and theField.

Referenced by trajectoryStateClosestToPoint().

{
  TransverseImpactPointExtrapolator tipe(theField);
  return tipe.extrapolate(initialFTS, point);
}

double reco::TransientTrackFromFTS::timeExt ( ) const

inlineoverridevirtual

Implements reco::BasicTransientTrack.

Definition at line 72 of file TransientTrackFromFTS.h.

References hasTime, and timeExt_.

{ return ( hasTime ? timeExt_ : std::numeric_limits<double>::quiet_NaN() ); }

const Track & TransientTrackFromFTS::track ( ) const

overridevirtual

Implements reco::BasicTransientTrack.

Definition at line 132 of file TransientTrackFromFTS.cc.

References FreeTrajectoryState::charge(), FreeTrajectoryState::curvilinearError(), initialFTS, FreeTrajectoryState::momentum(), AlCaHLTBitMon_ParallelJobs::p, FreeTrajectoryState::position(), theTrack, trackAvailable, UNLIKELY, and findQualityFiles::v.

Referenced by field().

{
  if UNLIKELY(!trackAvailable) {
    GlobalPoint v = initialFTS.position();
    math::XYZPoint  pos( v.x(), v.y(), v.z() );
    GlobalVector p = initialFTS.momentum();
    math::XYZVector mom( p.x(), p.y(), p.z() );

    theTrack = Track(0., 0., pos, mom, initialFTS.charge(),
    initialFTS.curvilinearError());
    trackAvailable = true;
  }
  return theTrack;
}

TrackBaseRef reco::TransientTrackFromFTS::trackBaseRef ( ) const

inlineoverridevirtual

Implements reco::BasicTransientTrack.

Definition at line 68 of file TransientTrackFromFTS.h.

References stateAtBeamLine().

{ return TrackBaseRef();}

TrajectoryStateClosestToPoint reco::TransientTrackFromFTS::trajectoryStateClosestToPoint ( const GlobalPoint &  point ) const

inlineoverridevirtual

Implements reco::BasicTransientTrack.

Definition at line 48 of file TransientTrackFromFTS.h.

References builder, impactPointState(), impactPointTSCP(), initialFTS, point, and stateOnSurface().

      {return builder(initialFTS, point);}

Member Data Documentation

bool reco::TransientTrackFromFTS::blStateAvailable

mutableprivate

Definition at line 84 of file TransientTrackFromFTS.h.

Referenced by setBeamSpot(), and stateAtBeamLine().

TSCPBuilderNoMaterial reco::TransientTrackFromFTS::builder

private

Definition at line 88 of file TransientTrackFromFTS.h.

Referenced by impactPointTSCP(), and trajectoryStateClosestToPoint().

double reco::TransientTrackFromFTS::dtErrorExt_

private

Definition at line 82 of file TransientTrackFromFTS.h.

Referenced by dtErrorExt().

bool reco::TransientTrackFromFTS::hasTime

private

Definition at line 80 of file TransientTrackFromFTS.h.

Referenced by dtErrorExt(), and timeExt().

FreeTrajectoryState reco::TransientTrackFromFTS::initialFTS

private

Definition at line 79 of file TransientTrackFromFTS.h.

Referenced by calculateTSOSAtVertex(), charge(), impactPointTSCP(), initialFreeState(), stateAtBeamLine(), stateOnSurface(), track(), and trajectoryStateClosestToPoint().

TrajectoryStateClosestToPoint reco::TransientTrackFromFTS::initialTSCP

mutableprivate

Definition at line 86 of file TransientTrackFromFTS.h.

Referenced by impactPointTSCP(), and TransientTrackFromFTS().

bool reco::TransientTrackFromFTS::initialTSCPAvailable

mutableprivate

Definition at line 84 of file TransientTrackFromFTS.h.

Referenced by impactPointTSCP(), and TransientTrackFromFTS().

TrajectoryStateOnSurface reco::TransientTrackFromFTS::initialTSOS

mutableprivate

Definition at line 85 of file TransientTrackFromFTS.h.

Referenced by calculateTSOSAtVertex(), impactPointState(), and TransientTrackFromFTS().

bool reco::TransientTrackFromFTS::initialTSOSAvailable

mutableprivate

Definition at line 84 of file TransientTrackFromFTS.h.

Referenced by calculateTSOSAtVertex(), impactPointState(), impactPointStateAvailable(), and TransientTrackFromFTS().

reco::BeamSpot reco::TransientTrackFromFTS::theBeamSpot

private

Definition at line 90 of file TransientTrackFromFTS.h.

Referenced by setBeamSpot(), and stateAtBeamLine().

const MagneticField* reco::TransientTrackFromFTS::theField

private

Definition at line 83 of file TransientTrackFromFTS.h.

Referenced by calculateTSOSAtVertex(), field(), and stateOnSurface().

Track reco::TransientTrackFromFTS::theTrack

mutableprivate

Definition at line 87 of file TransientTrackFromFTS.h.

Referenced by track().

edm::ESHandle<GlobalTrackingGeometry> reco::TransientTrackFromFTS::theTrackingGeometry

private

Definition at line 89 of file TransientTrackFromFTS.h.

Referenced by setES(), and setTrackingGeometry().

double reco::TransientTrackFromFTS::timeExt_

private

Definition at line 81 of file TransientTrackFromFTS.h.

Referenced by timeExt().

bool reco::TransientTrackFromFTS::trackAvailable

mutableprivate

Definition at line 84 of file TransientTrackFromFTS.h.

Referenced by track().

TrajectoryStateClosestToBeamLine reco::TransientTrackFromFTS::trajectoryStateClosestToBeamLine

mutableprivate

Definition at line 91 of file TransientTrackFromFTS.h.

Referenced by stateAtBeamLine().