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

Private Attributes
AlgebraicVector3	momentumAtVertex
TrajectoryStateClosestToPoint	theState
double	theWeight

Detailed Description

Definition at line 18 of file PerigeeRefittedTrackState.h.

Member Typedef Documentation

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

Definition at line 22 of file PerigeeRefittedTrackState.h.

Constructor & Destructor Documentation

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

inline

Definition at line 24 of file PerigeeRefittedTrackState.h.

Referenced by stateWithNewWeight().

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

virtual PerigeeRefittedTrackState::~PerigeeRefittedTrackState ( )

inlinevirtual

Definition at line 29 of file PerigeeRefittedTrackState.h.

{}

Member Function Documentation

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

virtual

Implements RefittedTrackState< 5 >.

Definition at line 14 of file PerigeeRefittedTrackState.cc.

References query::result.

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

virtual AlgebraicSymMatrix55 PerigeeRefittedTrackState::covariance ( void  ) const

inlinevirtual

The covariance matrix

Implements RefittedTrackState< 5 >.

Definition at line 64 of file PerigeeRefittedTrackState.h.

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

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

virtual FreeTrajectoryState PerigeeRefittedTrackState::freeTrajectoryState ( ) const

inlinevirtual

Transformation into a FreeTrajectoryState

Implements RefittedTrackState< 5 >.

Definition at line 35 of file PerigeeRefittedTrackState.h.

References theState, and TrajectoryStateClosestToPoint::theState().

Referenced by trajectoryStateOnSurface(), and transientTrack().

    {return theState.theState();}

AlgebraicVector3 PerigeeRefittedTrackState::momentumVector ( ) const

virtual

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.

References momentumAtVertex.

{
  return momentumAtVertex;
}

virtual AlgebraicVector5 PerigeeRefittedTrackState::parameters ( void  ) const

inlinevirtual

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

Implements RefittedTrackState< 5 >.

Definition at line 57 of file PerigeeRefittedTrackState.h.

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

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

virtual GlobalPoint PerigeeRefittedTrackState::position ( ) const

inlinevirtual

Position at which the momentum is defined.

Implements RefittedTrackState< 5 >.

Definition at line 71 of file PerigeeRefittedTrackState.h.

References TrajectoryStateClosestToPoint::referencePoint(), and theState.

    {return theState.referencePoint();}

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

virtual

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

Implements RefittedTrackState< 5 >.

Definition at line 23 of file PerigeeRefittedTrackState.cc.

References momentumAtVertex, PerigeeRefittedTrackState(), and theState.

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

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

virtual

Transformation into a TSOS at a given surface

Implements RefittedTrackState< 5 >.

Definition at line 30 of file PerigeeRefittedTrackState.cc.

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

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

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

virtual

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

Implements RefittedTrackState< 5 >.

Definition at line 39 of file PerigeeRefittedTrackState.cc.

References anyDirection, Propagator::clone(), TrajectoryStateOnSurface::curvilinearError(), freeTrajectoryState(), TrajectoryStateOnSurface::globalParameters(), and weight().

{
  std::auto_ptr<Propagator> thePropagator( propagator.clone());
  thePropagator->setPropagationDirection(anyDirection);

  TrajectoryStateOnSurface tsos = thePropagator->propagate(freeTrajectoryState(), surface);
  return TrajectoryStateOnSurface (tsos.globalParameters(),
    tsos.curvilinearError(), surface ,weight()) ;
}

reco::TransientTrack PerigeeRefittedTrackState::transientTrack ( ) const

virtual

Implements RefittedTrackState< 5 >.

Definition at line 50 of file PerigeeRefittedTrackState.cc.

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

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

virtual double PerigeeRefittedTrackState::weight ( ) const

inlinevirtual

The weight of this component in a mixture

Implements RefittedTrackState< 5 >.

Definition at line 84 of file PerigeeRefittedTrackState.h.

References theWeight.

Referenced by trajectoryStateOnSurface().

{return theWeight;}

Member Data Documentation

AlgebraicVector3 PerigeeRefittedTrackState::momentumAtVertex

private

Definition at line 100 of file PerigeeRefittedTrackState.h.

Referenced by momentumVector(), and stateWithNewWeight().

TrajectoryStateClosestToPoint PerigeeRefittedTrackState::theState

private

Definition at line 99 of file PerigeeRefittedTrackState.h.

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

double PerigeeRefittedTrackState::theWeight

private

Definition at line 101 of file PerigeeRefittedTrackState.h.

Referenced by weight().