#include <GhostTrackFitter.h>

Classes
class	FitterImpl

class	PredictionUpdater

Public Member Functions
GhostTrack	fit (const GlobalPoint &priorPosition, const GlobalError &priorError, const GlobalVector &direction, double coneRadius, const std::vector< TransientTrack > &tracks) const

GhostTrack	fit (const GlobalPoint &priorPosition, const GlobalError &priorError, const GlobalVector &direction, const GlobalError &directionError, const std::vector< TransientTrack > &tracks) const

GhostTrack	fit (const GhostTrackPrediction &prior, const GlobalPoint &origin, const std::vector< TransientTrack > &tracks) const

GhostTrack	fit (const GhostTrackPrediction &prior, const std::vector< TransientTrack > &tracks) const

	GhostTrackFitter ()

void	setFitterImpl (const FitterImpl &fitterImpl)

virtual	~GhostTrackFitter ()

Protected Member Functions
GhostTrack	fit (FitterImpl &fitterImpl, const GhostTrackPrediction &prior, const std::vector< GhostTrackState > &states) const

Private Attributes
std::auto_ptr< FitterImpl >	fitter

std::auto_ptr< PredictionUpdater >	updater

Detailed Description

Definition at line 19 of file GhostTrackFitter.h.

Constructor & Destructor Documentation

GhostTrackFitter::GhostTrackFitter ( )

Definition at line 23 of file GhostTrackFitter.cc.

References fitter, and updater.

 {
     fitter.reset(new AnnealingGhostTrackFitter);
     updater.reset(new KalmanGhostTrackUpdater);
 }

GhostTrackFitter::~GhostTrackFitter ( )

virtual

Definition at line 29 of file GhostTrackFitter.cc.

30 {

31 }

Member Function Documentation

GhostTrack GhostTrackFitter::fit	(	const GlobalPoint &	priorPosition,
		const GlobalError &	priorError,
		const GlobalVector &	direction,
		double	coneRadius,
		const std::vector< TransientTrack > &	tracks
	)		const

Definition at line 33 of file GhostTrackFitter.cc.

References bookConverter::prior.

Referenced by fit(), IPProducer< Container, Base, Helper >::produce(), and reco::GhostTrackVertexFinder::vertices().

 {
     GhostTrackPrediction prior(priorPosition, priorError,
                                direction, coneRadius);
     return fit(prior, priorPosition, tracks);
 }

GhostTrack GhostTrackFitter::fit	(	const GlobalPoint &	priorPosition,
		const GlobalError &	priorError,
		const GlobalVector &	direction,
		const GlobalError &	directionError,
		const std::vector< TransientTrack > &	tracks
	)		const

Definition at line 45 of file GhostTrackFitter.cc.

References fit(), and bookConverter::prior.

 {
     GhostTrackPrediction prior(priorPosition, priorError,
                                direction, directionError);
     return fit(prior, priorPosition, tracks);
 }

GhostTrack GhostTrackFitter::fit	(	const GhostTrackPrediction &	prior,
		const GlobalPoint &	origin,
		const std::vector< TransientTrack > &	tracks
	)		const

Definition at line 57 of file GhostTrackFitter.cc.

References fit(), fitter, reco::GhostTrackPrediction::lambda(), reco::GhostTrackState::linearize(), and hltrates_dqm_sourceclient-live_cfg::offset.

 {
     double offset = prior.lambda(origin);
 
     std::vector<GhostTrackState> states;
     for(std::vector<TransientTrack>::const_iterator iter = tracks.begin();
         iter != tracks.end(); ++iter) {
         GhostTrackState state(*iter);
         state.linearize(prior, true, offset);
         states.push_back(state);
     }
 
     PositiveSideGhostTrackFitter actualFitter(origin, *fitter);
     return fit(actualFitter, prior, states);
 }

GhostTrack GhostTrackFitter::fit	(	const GhostTrackPrediction &	prior,
		const std::vector< TransientTrack > &	tracks
	)		const

Definition at line 76 of file GhostTrackFitter.cc.

References fit(), fitter, and reco::GhostTrackState::linearize().

 {
     std::vector<GhostTrackState> states;
     for(std::vector<TransientTrack>::const_iterator iter = tracks.begin();
         iter != tracks.end(); ++iter) {
         GhostTrackState state(*iter);
         state.linearize(prior, true);
         states.push_back(state);
     }
 
     return fit(*fitter, prior, states);
 }

GhostTrack GhostTrackFitter::fit	(	FitterImpl &	fitterImpl,
		const GhostTrackPrediction &	prior,
		const std::vector< GhostTrackState > &	states
	)		const

protected

Definition at line 91 of file GhostTrackFitter.cc.

References reco::GhostTrackFitter::FitterImpl::fit(), ndof, query::result, and updater.

 {
     std::vector<GhostTrackState> states = states_;
 
     double ndof, chi2;
     GhostTrackPrediction pred =
             fitterImpl.fit(*updater, prior, states, ndof, chi2);
 
     GhostTrack result(prior, pred, states, ndof, chi2);
 
     return result;
 }