PerigeeRefittedTrackState Class Reference

#include <PerigeeRefittedTrackState.h>

Inheritance diagram for PerigeeRefittedTrackState:

Public Types
typedef ReferenceCountingPointer< RefittedTrackState< 5 > >	RefCountedRefittedTrackState
Public Types inherited from RefittedTrackState< 5 >
typedef ROOT::Math::SMatrix< double, N, N, ROOT::Math::MatRepSym< double, N > >	AlgebraicSymMatrixNN
typedef ROOT::Math::SVector< double, N - 2 >	AlgebraicVectorM
typedef ROOT::Math::SVector< double, N >	AlgebraicVectorN

Public Member Functions
std::vector< ReferenceCountingPointer< RefittedTrackState< 5 > > >	components () const override
AlgebraicSymMatrix55	covariance () const override
FreeTrajectoryState	freeTrajectoryState () const override
AlgebraicVector3	momentumVector () const override
AlgebraicVector5	parameters () const override
	PerigeeRefittedTrackState (const TrajectoryStateClosestToPoint &tscp, const AlgebraicVector3 &aMomentumAtVertex, const double aWeight=1.)
GlobalPoint	position () const override
ReferenceCountingPointer< RefittedTrackState< 5 > >	stateWithNewWeight (const double newWeight) const override
TrajectoryStateOnSurface	trajectoryStateOnSurface (const Surface &surface) const override
TrajectoryStateOnSurface	trajectoryStateOnSurface (const Surface &surface, const Propagator &propagator) const override
reco::TransientTrack	transientTrack () const override
double	weight () const override
	~PerigeeRefittedTrackState () override
Public Member Functions inherited from RefittedTrackState< 5 >
	~RefittedTrackState () override

Private Attributes
AlgebraicVector3	momentumAtVertex
TrajectoryStateClosestToPoint	theState
double	theWeight

Detailed Description

Definition at line 18 of file PerigeeRefittedTrackState.h.

Member Typedef Documentation

RefCountedRefittedTrackState

typedef ReferenceCountingPointer<RefittedTrackState<5> > PerigeeRefittedTrackState::RefCountedRefittedTrackState

Definition at line 20 of file PerigeeRefittedTrackState.h.

Constructor & Destructor Documentation

PerigeeRefittedTrackState()

PerigeeRefittedTrackState::PerigeeRefittedTrackState ( const TrajectoryStateClosestToPoint &  tscp, const AlgebraicVector3 &  aMomentumAtVertex, const double  aWeight = 1.  )

inline

Definition at line 22 of file PerigeeRefittedTrackState.h.

      : theState(tscp), momentumAtVertex(aMomentumAtVertex), theWeight(aWeight) {}

Referenced by stateWithNewWeight().

~PerigeeRefittedTrackState()

PerigeeRefittedTrackState::~PerigeeRefittedTrackState ( )

inlineoverride

Definition at line 27 of file PerigeeRefittedTrackState.h.

{}

Member Function Documentation

components()

std::vector< PerigeeRefittedTrackState::RefCountedRefittedTrackState > PerigeeRefittedTrackState::components ( ) const

overridevirtual

Implements RefittedTrackState< 5 >.

Definition at line 10 of file PerigeeRefittedTrackState.cc.

                                                                                                             {
  std::vector<RefCountedRefittedTrackState> result;
  result.reserve(1);
  result.push_back(RefCountedRefittedTrackState(const_cast<PerigeeRefittedTrackState*>(this)));
  return result;
}

References mps_fire::result.

covariance()

AlgebraicSymMatrix55 PerigeeRefittedTrackState::covariance ( void  ) const

inlineoverridevirtual

The covariance matrix

Implements RefittedTrackState< 5 >.

Definition at line 59 of file PerigeeRefittedTrackState.h.

{ return theState.perigeeError().covarianceMatrix(); }

References PerigeeTrajectoryError::covarianceMatrix(), TrajectoryStateClosestToPoint::perigeeError(), and theState.

freeTrajectoryState()

FreeTrajectoryState PerigeeRefittedTrackState::freeTrajectoryState ( ) const

inlineoverridevirtual

Transformation into a FreeTrajectoryState

Implements RefittedTrackState< 5 >.

Definition at line 33 of file PerigeeRefittedTrackState.h.

{ return theState.theState(); }

References theState, and TrajectoryStateClosestToPoint::theState().

Referenced by trajectoryStateOnSurface(), and transientTrack().

momentumVector()

AlgebraicVector3 PerigeeRefittedTrackState::momentumVector ( ) const

overridevirtual

Vector containing the parameters describing the momentum as the vertex. These are (signed transverse curvature, theta, phi)

Implements RefittedTrackState< 5 >.

Definition at line 8 of file PerigeeRefittedTrackState.cc.

{ return momentumAtVertex; }

References momentumAtVertex.

parameters()

AlgebraicVector5 PerigeeRefittedTrackState::parameters ( void  ) const

inlineoverridevirtual

Vector containing the refitted track parameters.
These are (signed transverse curvature, theta, phi, (signed) transverse , longitudinal impact parameter)

Implements RefittedTrackState< 5 >.

Definition at line 53 of file PerigeeRefittedTrackState.h.

{ return theState.perigeeParameters().vector(); }

References TrajectoryStateClosestToPoint::perigeeParameters(), theState, and PerigeeTrajectoryParameters::vector().

position()

GlobalPoint PerigeeRefittedTrackState::position ( ) const

inlineoverridevirtual

Position at which the momentum is defined.

Implements RefittedTrackState< 5 >.

Definition at line 65 of file PerigeeRefittedTrackState.h.

{ return theState.referencePoint(); }

References TrajectoryStateClosestToPoint::referencePoint(), and theState.

stateWithNewWeight()

PerigeeRefittedTrackState::RefCountedRefittedTrackState PerigeeRefittedTrackState::stateWithNewWeight ( const double  newWeight ) const

overridevirtual

Returns a new refitted state of the same type, but with another weight. The current state is unchanged.

Implements RefittedTrackState< 5 >.

Definition at line 17 of file PerigeeRefittedTrackState.cc.

                                  {
  return RefCountedRefittedTrackState(new PerigeeRefittedTrackState(theState, momentumAtVertex, newWeight));
}

References momentumAtVertex, PerigeeRefittedTrackState(), and theState.

trajectoryStateOnSurface() [1/2]

TrajectoryStateOnSurface PerigeeRefittedTrackState::trajectoryStateOnSurface ( const Surface &  surface ) const

overridevirtual

Transformation into a TSOS at a given surface

Implements RefittedTrackState< 5 >.

Definition at line 22 of file PerigeeRefittedTrackState.cc.

                                                                                                         {
  AnalyticalPropagator thePropagator(&(theState.theState().parameters().magneticField()), anyDirection);
  TrajectoryStateOnSurface tsos = thePropagator.propagate(freeTrajectoryState(), surface);
  return TrajectoryStateOnSurface(weight(), tsos.globalParameters(), tsos.curvilinearError(), surface);
}

References anyDirection, TrajectoryStateOnSurface::curvilinearError(), freeTrajectoryState(), TrajectoryStateOnSurface::globalParameters(), GlobalTrajectoryParameters::magneticField(), FreeTrajectoryState::parameters(), AnalyticalPropagator::propagate(), theState, TrajectoryStateClosestToPoint::theState(), and weight().

trajectoryStateOnSurface() [2/2]

TrajectoryStateOnSurface PerigeeRefittedTrackState::trajectoryStateOnSurface ( const Surface &  surface, const Propagator &  propagator  ) const

overridevirtual

Transformation into a TSOS at a given surface, with a given propagator

Implements RefittedTrackState< 5 >.

Definition at line 28 of file PerigeeRefittedTrackState.cc.

                                                                                                                 {
  std::unique_ptr<Propagator> thePropagator(propagator.clone());
  thePropagator->setPropagationDirection(anyDirection);
 
  TrajectoryStateOnSurface tsos = thePropagator->propagate(freeTrajectoryState(), surface);
  return TrajectoryStateOnSurface(weight(), tsos.globalParameters(), tsos.curvilinearError(), surface);
}

References anyDirection, TrajectoryStateOnSurface::curvilinearError(), freeTrajectoryState(), TrajectoryStateOnSurface::globalParameters(), TrackCandidateProducer_cfi::propagator, and weight().

transientTrack()

reco::TransientTrack PerigeeRefittedTrackState::transientTrack ( ) const

overridevirtual

Implements RefittedTrackState< 5 >.

Definition at line 37 of file PerigeeRefittedTrackState.cc.

                                                                   {
  TransientTrackFromFTSFactory factory;
  return factory.build(freeTrajectoryState());
}

References TransientTrackFromFTSFactory::build(), and freeTrajectoryState().

weight()

double PerigeeRefittedTrackState::weight ( ) const

inlineoverridevirtual

The weight of this component in a mixture

Implements RefittedTrackState< 5 >.

Definition at line 77 of file PerigeeRefittedTrackState.h.

{ return theWeight; }

References theWeight.

Referenced by trajectoryStateOnSurface().

Member Data Documentation

momentumAtVertex

AlgebraicVector3 PerigeeRefittedTrackState::momentumAtVertex

private

Definition at line 91 of file PerigeeRefittedTrackState.h.

Referenced by momentumVector(), and stateWithNewWeight().

theState

TrajectoryStateClosestToPoint PerigeeRefittedTrackState::theState

private

Definition at line 90 of file PerigeeRefittedTrackState.h.

Referenced by covariance(), freeTrajectoryState(), parameters(), position(), stateWithNewWeight(), and trajectoryStateOnSurface().

theWeight

double PerigeeRefittedTrackState::theWeight

private

Definition at line 92 of file PerigeeRefittedTrackState.h.

Referenced by weight().