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reco::TransientTrackFromFTS Class Reference

#include <TrackingTools/TransientTrack/interface/TransientTrackFromFTS.h>

Inheritance diagram for reco::TransientTrackFromFTS:

List of all members.

Public Member Functions
TrackCharge	charge () const
const MagneticField *	field () const
TrajectoryStateOnSurface	impactPointState () const
bool	impactPointStateAvailable () const
TrajectoryStateClosestToPoint	impactPointTSCP () const
FreeTrajectoryState	initialFreeState () const
TrajectoryStateOnSurface	innermostMeasurementState () const
TransientTrackFromFTS &	operator= (const TransientTrackFromFTS &tt)
TrajectoryStateOnSurface	outermostMeasurementState () const
void	setBeamSpot (const reco::BeamSpot &beamSpot)
void	setES (const edm::EventSetup &)
void	setTrackingGeometry (const edm::ESHandle< GlobalTrackingGeometry > &)
TrajectoryStateClosestToBeamLine	stateAtBeamLine () const
TrajectoryStateOnSurface	stateOnSurface (const GlobalPoint &point) const
	The TSOS at any point.
const Track &	track () const
TrackBaseRef	trackBaseRef () const
TrajectoryStateClosestToPoint	trajectoryStateClosestToPoint (const GlobalPoint &point) const
	TransientTrackFromFTS (const TransientTrackFromFTS &tt)
	TransientTrackFromFTS (const FreeTrajectoryState &fts, const edm::ESHandle< GlobalTrackingGeometry > &trackingGeometry)
	TransientTrackFromFTS (const FreeTrajectoryState &fts)
	TransientTrackFromFTS ()
Private Member Functions
void	calculateTSOSAtVertex () const
Private Attributes
bool	blStateAvailable
TSCPBuilderNoMaterial	builder
FreeTrajectoryState	initialFTS
TrajectoryStateClosestToPoint	initialTSCP
bool	initialTSCPAvailable
TrajectoryStateOnSurface	initialTSOS
bool	initialTSOSAvailable
reco::BeamSpot	theBeamSpot
const MagneticField *	theField
Track	theTrack
edm::ESHandle < GlobalTrackingGeometry >	theTrackingGeometry
bool	trackAvailable
TrajectoryStateClosestToBeamLine	trajectoryStateClosestToBeamLine

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Detailed Description

Definition at line 16 of file TransientTrackFromFTS.h.

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Constructor & Destructor Documentation

TransientTrackFromFTS::TransientTrackFromFTS

(

)

Definition at line 11 of file TransientTrackFromFTS.cc.

                                             : 
  theField(0), initialTSOSAvailable(false), initialTSCPAvailable(false),
  trackAvailable(false), blStateAvailable(false)
{}

TransientTrackFromFTS::TransientTrackFromFTS

(

const FreeTrajectoryState &

fts

)

Definition at line 16 of file TransientTrackFromFTS.cc.

                                                                            :
  initialFTS(fts), 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 23 of file TransientTrackFromFTS.cc.

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

TransientTrackFromFTS::TransientTrackFromFTS

(

const TransientTrackFromFTS &

tt

)

Definition at line 31 of file TransientTrackFromFTS.cc.

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

                                                                               :
  initialFTS(tt.initialFreeState()), 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;
  }
}

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Member Function Documentation

void TransientTrackFromFTS::calculateTSOSAtVertex

(

)

const [private]

Definition at line 99 of file TransientTrackFromFTS.cc.

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

Referenced by impactPointState().

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

TrackCharge reco::TransientTrackFromFTS::charge

(

void

)

const [inline, virtual]

Implements reco::BasicTransientTrack.

Definition at line 56 of file TransientTrackFromFTS.h.

References FreeTrajectoryState::charge(), and initialFTS.

{return initialFTS.charge();}

const MagneticField* reco::TransientTrackFromFTS::field

(

void

)

const [inline, virtual]

Implements reco::BasicTransientTrack.

Definition at line 58 of file TransientTrackFromFTS.h.

References theField.

{return theField;}

TrajectoryStateOnSurface TransientTrackFromFTS::impactPointState

(

)

const [virtual]

Implements reco::BasicTransientTrack.

Definition at line 64 of file TransientTrackFromFTS.cc.

References calculateTSOSAtVertex(), initialTSOS, and initialTSOSAvailable.

Referenced by TransientTrackFromFTS().

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

bool reco::TransientTrackFromFTS::impactPointStateAvailable

(

)

const [inline, virtual]

Implements reco::BasicTransientTrack.

Definition at line 54 of file TransientTrackFromFTS.h.

References initialTSOSAvailable.

{return  initialTSOSAvailable;}

TrajectoryStateClosestToPoint TransientTrackFromFTS::impactPointTSCP

(

)

const [virtual]

Implements reco::BasicTransientTrack.

Definition at line 70 of file TransientTrackFromFTS.cc.

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

Referenced by TransientTrackFromFTS().

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

FreeTrajectoryState reco::TransientTrackFromFTS::initialFreeState

(

)

const [inline, virtual]

Implements reco::BasicTransientTrack.

Definition at line 35 of file TransientTrackFromFTS.h.

References initialFTS.

{return initialFTS;}

TrajectoryStateOnSurface TransientTrackFromFTS::innermostMeasurementState

(

)

const [virtual]

Implements reco::BasicTransientTrack.

Definition at line 85 of file TransientTrackFromFTS.cc.

References Exception.

{
  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 [virtual]

Implements reco::BasicTransientTrack.

Definition at line 79 of file TransientTrackFromFTS.cc.

References Exception.

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

void TransientTrackFromFTS::setBeamSpot

(

const reco::BeamSpot &

beamSpot

)

[virtual]

Implements reco::BasicTransientTrack.

Definition at line 58 of file TransientTrackFromFTS.cc.

References theBeamSpot.

{
  theBeamSpot = beamSpot;
}

void TransientTrackFromFTS::setES

(

const edm::EventSetup &

setup

)

[virtual]

Implements reco::BasicTransientTrack.

Definition at line 47 of file TransientTrackFromFTS.cc.

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

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

void TransientTrackFromFTS::setTrackingGeometry

(

const edm::ESHandle< GlobalTrackingGeometry > &

tg

)

[virtual]

Implements reco::BasicTransientTrack.

Definition at line 53 of file TransientTrackFromFTS.cc.

References theTrackingGeometry.

{
  theTrackingGeometry = tg;
}

TrajectoryStateClosestToBeamLine TransientTrackFromFTS::stateAtBeamLine

(

)

const [virtual]

Implements reco::BasicTransientTrack.

Definition at line 128 of file TransientTrackFromFTS.cc.

References blStateAvailable, initialFTS, theBeamSpot, and trajectoryStateClosestToBeamLine.

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

TrajectoryStateOnSurface TransientTrackFromFTS::stateOnSurface

(

const GlobalPoint &

point

)

const [virtual]

The TSOS at any point.

The initial state will be used for the propagation.

Implements reco::BasicTransientTrack.

Definition at line 107 of file TransientTrackFromFTS.cc.

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

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

const Track & TransientTrackFromFTS::track

(

void

)

const [virtual]

Implements reco::BasicTransientTrack.

Definition at line 113 of file TransientTrackFromFTS.cc.

References FreeTrajectoryState::charge(), FreeTrajectoryState::curvilinearError(), initialFTS, FreeTrajectoryState::momentum(), p, FreeTrajectoryState::position(), theTrack, trackAvailable, v, PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

{
  if (!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 TransientTrackFromFTS::trackBaseRef

(

)

const [virtual]

Implements reco::BasicTransientTrack.

Definition at line 92 of file TransientTrackFromFTS.cc.

References Exception.

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

TrajectoryStateClosestToPoint reco::TransientTrackFromFTS::trajectoryStateClosestToPoint

(

const GlobalPoint &

point

)

const [inline, virtual]

Implements reco::BasicTransientTrack.

Definition at line 42 of file TransientTrackFromFTS.h.

References builder, and initialFTS.

      {return builder(initialFTS, point);}

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Member Data Documentation

bool reco::TransientTrackFromFTS::blStateAvailable [mutable, private]

Definition at line 72 of file TransientTrackFromFTS.h.

Referenced by stateAtBeamLine().

TSCPBuilderNoMaterial reco::TransientTrackFromFTS::builder [private]

Definition at line 76 of file TransientTrackFromFTS.h.

Referenced by impactPointTSCP(), and trajectoryStateClosestToPoint().

FreeTrajectoryState reco::TransientTrackFromFTS::initialFTS [private]

Definition at line 70 of file TransientTrackFromFTS.h.

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

TrajectoryStateClosestToPoint reco::TransientTrackFromFTS::initialTSCP [mutable, private]

Definition at line 74 of file TransientTrackFromFTS.h.

Referenced by impactPointTSCP(), and TransientTrackFromFTS().

bool reco::TransientTrackFromFTS::initialTSCPAvailable [mutable, private]

Definition at line 72 of file TransientTrackFromFTS.h.

Referenced by impactPointTSCP(), and TransientTrackFromFTS().

TrajectoryStateOnSurface reco::TransientTrackFromFTS::initialTSOS [mutable, private]

Definition at line 73 of file TransientTrackFromFTS.h.

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

bool reco::TransientTrackFromFTS::initialTSOSAvailable [mutable, private]

Definition at line 72 of file TransientTrackFromFTS.h.

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

reco::BeamSpot reco::TransientTrackFromFTS::theBeamSpot [private]

Definition at line 78 of file TransientTrackFromFTS.h.

Referenced by setBeamSpot(), and stateAtBeamLine().

const MagneticField* reco::TransientTrackFromFTS::theField [private]

Definition at line 71 of file TransientTrackFromFTS.h.

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

Track reco::TransientTrackFromFTS::theTrack [mutable, private]

Definition at line 75 of file TransientTrackFromFTS.h.

Referenced by track().

edm::ESHandle<GlobalTrackingGeometry> reco::TransientTrackFromFTS::theTrackingGeometry [private]

Definition at line 77 of file TransientTrackFromFTS.h.

Referenced by setES(), and setTrackingGeometry().

bool reco::TransientTrackFromFTS::trackAvailable [mutable, private]

Definition at line 72 of file TransientTrackFromFTS.h.

Referenced by track().

TrajectoryStateClosestToBeamLine reco::TransientTrackFromFTS::trajectoryStateClosestToBeamLine [mutable, private]

Definition at line 79 of file TransientTrackFromFTS.h.

Referenced by stateAtBeamLine().

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

• TrackingTools/TransientTrack/interface/TransientTrackFromFTS.h
• TrackingTools/TransientTrack/src/TransientTrackFromFTS.cc

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