Base Class for genfit track representations. Defines interface for track parameterizations. More...

#include <EicRoot/blob/master/genfit/GFAbsTrackRep.h>

Inheritance diagram for GFAbsTrackRep:

Collaboration diagram for GFAbsTrackRep:

Public Member Functions
virtual GFAbsTrackRep *	clone () const =0

virtual GFAbsTrackRep *	prototype () const =0

virtual double	extrapolate (const GFDetPlane &plane, TMatrixT< double > &statePred)
	returns the tracklength spanned in this extrapolation

	GFAbsTrackRep ()

	GFAbsTrackRep (int)

virtual	~GFAbsTrackRep ()

virtual void	extrapolateToPoint (const TVector3 &point, TVector3 &poca, TVector3 &normVec)
	This method is to extrapolate the track to point of closest approach to a point in space.

virtual void	extrapolateToLine (const TVector3 &point1, const TVector3 &point2, TVector3 &poca, TVector3 &normVec, TVector3 &poca_onwire)
	This method extrapolates to the point of closest approach to a line.

virtual double	stepalong (double h, TVector3 &point, TVector3 &dir)
	make step of h cm along the track

virtual double	extrapolate (const GFDetPlane &plane, TMatrixT< double > &statePred, TMatrixT< double > &covPred)=0
	Extrapolates the track to the given detectorplane.

double	extrapolate (const GFDetPlane &plane)
	This changes the state and cov and plane of the rep.

unsigned int	getDim () const
	returns dimension of state vector

virtual void	Print (const Option_t *="") const

TMatrixT< double >	getState () const

TMatrixT< double >	getCov () const

double	getStateElem (int i) const

double	getCovElem (int i, int j) const

virtual TVector3	getPos (const GFDetPlane &pl)=0

virtual TVector3	getMom (const GFDetPlane &pl)=0

virtual void	getPosMom (const GFDetPlane &pl, TVector3 &pos, TVector3 &mom)=0

virtual void	getPosMomCov (const GFDetPlane &pl, TVector3 &pos, TVector3 &mom, TMatrixT< double > &cov)
	method which gets position, momentum and 6x6 covariance matrix

virtual double	getCharge () const =0

virtual int	getPDG ()
	method which gets pdg particle code

TVector3	getPos ()

TVector3	getMom ()

void	getPosMomCov (TVector3 &pos, TVector3 &mom, TMatrixT< double > &c)

TMatrixT< double >	getFirstState () const

TMatrixT< double >	getFirstCov () const

GFDetPlane	getFirstPlane () const

TMatrixT< double >	getLastState () const

TMatrixT< double >	getLastCov () const

GFDetPlane	getLastPlane () const

double	getChiSqu () const

double	getForwardChiSqu () const

double	getRedChiSqu () const
	returns chi2/ndf

double	getPVal () const

unsigned int	getNDF () const

double	getXX0 () const
	X/X0 (total fraction of radiation length passed), cumulated during last extrapolation. The fitter has to reset XX0 via resetXX0()

virtual void	setData (const TMatrixT< double > &st, const GFDetPlane &pl, const TMatrixT< double > cov=NULL, const TMatrixT< double > aux=NULL)
	Puts the track representation in a given state.

void	setCov (const TMatrixT< double > &aCov)

void	setFirstState (const TMatrixT< double > &aState)

void	setFirstCov (const TMatrixT< double > &aCov)

void	setFirstPlane (const GFDetPlane &aPlane)

void	setLastState (const TMatrixT< double > &aState)

void	setLastCov (const TMatrixT< double > &aCov)

void	setLastPlane (const GFDetPlane &aPlane)

virtual void	setPosMomCov (const TVector3 &pos, const TVector3 &mom, const TMatrixT< double > &cov)
	method which sets position, momentum and 6x6 covariance matrix

const GFDetPlane &	getReferencePlane () const

void	setChiSqu (double aChiSqu)

void	setForwardChiSqu (double aChiSqu)

void	setNDF (unsigned int n)

void	addChiSqu (double aChiSqu)

void	addForwardChiSqu (double aChiSqu)

void	addNDF (unsigned int n)

void	setStatusFlag (int _val)

virtual void	switchDirection ()=0

bool	setInverted (bool f=true)
	Deprecated. Should be removed soon.

bool	getStatusFlag ()

virtual void	reset ()

virtual bool	hasAuxInfo ()
	See if the track representation has auxillary information stored.

virtual const TMatrixT< double > *	getAuxInfo (const GFDetPlane &)
	Get auxillary information from the track representation.

void	resetXX0 ()

Protected Attributes
unsigned int	fDimension
	Dimensionality of track representation.

TMatrixT< double >	fState
	The vector of track parameters.

TMatrixT< double >	fCov
	The covariance matrix.

double	fChiSqu
	chiSqu of the track fit

double	fForwardChiSqu

unsigned int	fNdf

int	fStatusFlag
	status of track representation: 0 means everything's OK

bool	fInverted
	specifies the direction of flight of the particle

TMatrixT< double >	fFirstState
	state, cov and plane for first and last point in fit

TMatrixT< double >	fFirstCov

TMatrixT< double >	fLastState

TMatrixT< double >	fLastCov

GFDetPlane	fFirstPlane

GFDetPlane	fLastPlane

GFDetPlane	fRefPlane

double	fXX0

Private Member Functions
void	Abort (std::string method)

Detailed Description

Base Class for genfit track representations. Defines interface for track parameterizations.

Author: Christian Höppner (Technische Universität München, original author); Sebastian Neubert (Technische Universität München, original author)

It is important to understand the difference between a track and a track representation in genfit:

A track representation is a specific parameterization of a trajectory. It contains the parameters that describe the track at some point and code for the extrapolation of the track parameters through space. The actual extrapolation code is not part of genfit but has to be supplied in some additional package (e.g. GEANE). LSLTrackRep is a very basic example of a track representation.
A Track is a collection of RecoHits (see GFAbsRecoHit) plus a collection of track representation objects. The hits can be from different detectors. There can be several representations of the same track. This makes it possible to perform several fits in parallel, for example to compare different parameterizations or to fit different particle hypotheses.

All track tepresentations must inherit GFAbsTrackRep to be available in genfit. Algorithms in genfit use this class as interface to access track parameters

Provides:

Matrix objects to store track parameters
... and covariances
interface to track extrapolation code

The track extrapolation engine can be exchanged in genfit. Or one can even use more than one engine in parallel! In order to use a track extrapolation engine (like e.g. GEANE) with genfit one has to write a TrackRep class that inherits from GFAbsTrackRep. This makes it possible to uses different track extrapolation codes within a unified framework without major changes in the detector code.

There is only one thing one has to do to use a specific track representation together with the hits from a detector: add the respective code in the GFAbsRecoHit::getHMatrix method implementation of the RecoHit in question.

Definition at line 81 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 81 of file GFAbsTrackRep.h

Constructor & Destructor Documentation

GFAbsTrackRep::GFAbsTrackRep ( )

Definition at line 23 of file GFAbsTrackRep.cxx.

View newest version in sPHENIX GitHub at line 23 of file GFAbsTrackRep.cxx

GFAbsTrackRep::GFAbsTrackRep ( int dim )

Definition at line 27 of file GFAbsTrackRep.cxx.

View newest version in sPHENIX GitHub at line 27 of file GFAbsTrackRep.cxx

GFAbsTrackRep::~GFAbsTrackRep ( )

virtual

Definition at line 31 of file GFAbsTrackRep.cxx.

View newest version in sPHENIX GitHub at line 31 of file GFAbsTrackRep.cxx

Member Function Documentation

void GFAbsTrackRep::Abort ( std::string method )

private

Definition at line 47 of file GFAbsTrackRep.cxx.

View newest version in sPHENIX GitHub at line 47 of file GFAbsTrackRep.cxx

Referenced by extrapolateToLine(), extrapolateToPoint(), getPDG(), getPosMomCov(), setPosMomCov(), and stepalong().

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void GFAbsTrackRep::addChiSqu ( double aChiSqu )

inline

Definition at line 339 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 339 of file GFAbsTrackRep.h

References fChiSqu.

Referenced by GFKalman::processHit().

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void GFAbsTrackRep::addForwardChiSqu ( double aChiSqu )

inline

Definition at line 342 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 342 of file GFAbsTrackRep.h

References fForwardChiSqu.

Referenced by GFKalman::processHit().

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void GFAbsTrackRep::addNDF ( unsigned int n )

inline

Definition at line 345 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 345 of file GFAbsTrackRep.h

References fNdf, and n.

Referenced by GFKalman::processHit().

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virtual GFAbsTrackRep* GFAbsTrackRep::clone ( ) const

pure virtual

Implemented in LSLTrackRep, RKTrackRep, and GeaneTrackRep.

Referenced by GenfitTrack2PndTrack(), GFTools::getBiasedSmoothedData(), GFTools::getBiasedSmoothedMomXYZ(), GFTools::getSmoothedData(), and GFTrack::operator=().

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double GFAbsTrackRep::extrapolate	(	const GFDetPlane &	plane,
		TMatrixT< double > &	statePred
	)

virtual

returns the tracklength spanned in this extrapolation

There is a default implementation in GFAbsTrackRep.cxx which just drops the predicted covaraiance. If your trackrep has a way to extrapolate without giving a correct cov (that would be faster probably), please overwrite it. This method does NOT alter the state of the object!

Reimplemented in LSLTrackRep, and GeaneTrackRep.

Definition at line 42 of file GFAbsTrackRep.cxx.

View newest version in sPHENIX GitHub at line 42 of file GFAbsTrackRep.cxx

References Acts::Test::cov, and fDimension.

Referenced by extrapolate(), GFKalman::getChi2Hit(), GFTrack::getResiduals(), GFKalman::processHit(), and LSLTrackRep::stepalong().

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virtual double GFAbsTrackRep::extrapolate	(	const GFDetPlane &	plane,
		TMatrixT< double > &	statePred,
		TMatrixT< double > &	covPred
	)

pure virtual

Extrapolates the track to the given detectorplane.

Results are put into statePred and covPred This method does NOT alter the state of the object!

Implemented in LSLTrackRep, and GeaneTrackRep.

double GFAbsTrackRep::extrapolate ( const GFDetPlane & plane )

This changes the state and cov and plane of the rep.

This method extrapolates to to the plane and sets the results of state, cov and also plane in itself.

Definition at line 33 of file GFAbsTrackRep.cxx.

View newest version in sPHENIX GitHub at line 33 of file GFAbsTrackRep.cxx

References extrapolate(), fDimension, and setData().

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void GFAbsTrackRep::extrapolateToLine	(	const TVector3 &	point1,
		const TVector3 &	point2,
		TVector3 &	poca,
		TVector3 &	normVec,
		TVector3 &	poca_onwire
	)

virtual

This method extrapolates to the point of closest approach to a line.

This method extrapolates to the POCA to a line, i.e. a wire. There is a default implementation just like for the extrapolateToPoca for trackReps which do not need this feature, which will abort the execution if it is ever called. This method does NOT alter the state of the object!

Reimplemented in RKTrackRep, and GeaneTrackRep.

Definition at line 62 of file GFAbsTrackRep.cxx.

View newest version in sPHENIX GitHub at line 62 of file GFAbsTrackRep.cxx

References Abort().

Referenced by GFWirepointHitPolicy::detPlane(), GFWireHitPolicy::detPlane(), and GFPseudoSpacepointWireHitPolicy::detPlane().

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void GFAbsTrackRep::extrapolateToPoint	(	const TVector3 &	point,
		TVector3 &	poca,
		TVector3 &	normVec
	)

virtual

This method is to extrapolate the track to point of closest approach to a point in space.

There is an empty implementation of this method in GFAbsTrackRep.cxx, which will just abort with an error message. One can overwrite this method if one wishes to implement a track representation, which should have this feature. An example of an experiment in which you would not need this feature would be track fitting (not so much vertexing) in an experiment with only planar trackers like silicons or planar wire chambers and such. An example where you would need it, would be a TPC where you have to fit the track to space points, or other drift chambers with complicated hit topology. This method does NOT alter the state of the object!

Reimplemented in RKTrackRep, LSLTrackRep, and GeaneTrackRep.

Definition at line 56 of file GFAbsTrackRep.cxx.

View newest version in sPHENIX GitHub at line 56 of file GFAbsTrackRep.cxx

References Abort().

Referenced by GFSpacepointHitPolicy::detPlane(), PrimSelector::Exec(), and trackProximity().

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virtual const TMatrixT<double>* GFAbsTrackRep::getAuxInfo ( const GFDetPlane & )

inlinevirtual

Get auxillary information from the track representation.

AuxInfo is a mechanism which allows creators of track repersentations to hand out any information they like (as long as it is compatible with a TMatrixT<double>). It should be used if setData requires additional information to update the representation, but it can also be used for debugging information if needed. See also the documentation of GFAbsTrackRep::setData().

Reimplemented in RKTrackRep.

Definition at line 381 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 381 of file GFAbsTrackRep.h

Referenced by GFKalman::processHit().

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virtual double GFAbsTrackRep::getCharge ( ) const

pure virtual

Implemented in RKTrackRep, LSLTrackRep, and GeaneTrackRep.

Referenced by GFTrack::getCharge().

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double GFAbsTrackRep::getChiSqu ( ) const

inline

Definition at line 257 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 257 of file GFAbsTrackRep.h

References fChiSqu.

Referenced by GFTrack::getChiSqu(), getPVal(), and getRedChiSqu().

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TMatrixT<double> GFAbsTrackRep::getCov ( ) const

inline

Definition at line 205 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 205 of file GFAbsTrackRep.h

References fCov.

Referenced by GFTrack::blowUpCovs(), GFKalman::processHit(), and GFKalman::processTrack().

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double GFAbsTrackRep::getCovElem	(	int	i,
		int	j
	)		const

inline

Definition at line 210 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 210 of file GFAbsTrackRep.h

References fCov.

unsigned int GFAbsTrackRep::getDim ( ) const

inline

returns dimension of state vector

Definition at line 198 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 198 of file GFAbsTrackRep.h

References fDimension.

Referenced by GeaneTrackRep::extrapolateToPoint(), LSLTrackRep::extrapolateToPoint(), GFKalman::getChi2Hit(), getNDF(), GFTrack::getResiduals(), and GFKalman::processHit().

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TMatrixT<double> GFAbsTrackRep::getFirstCov ( ) const

inline

Definition at line 242 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 242 of file GFAbsTrackRep.h

References fFirstCov.

Referenced by GenfitTrack2PndTrack().

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GFDetPlane GFAbsTrackRep::getFirstPlane ( ) const

inline

Definition at line 245 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 245 of file GFAbsTrackRep.h

References fFirstPlane.

Referenced by GenfitTrack2PndTrack().

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TMatrixT<double> GFAbsTrackRep::getFirstState ( ) const

inline

Definition at line 239 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 239 of file GFAbsTrackRep.h

References fFirstState.

Referenced by GenfitTrack2PndTrack().

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double GFAbsTrackRep::getForwardChiSqu ( ) const

inline

Definition at line 260 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 260 of file GFAbsTrackRep.h

References fForwardChiSqu.

Referenced by GFTrack::getForwardChiSqu().

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TMatrixT<double> GFAbsTrackRep::getLastCov ( ) const

inline

Definition at line 251 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 251 of file GFAbsTrackRep.h

References fLastCov.

Referenced by GenfitTrack2PndTrack().

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GFDetPlane GFAbsTrackRep::getLastPlane ( ) const

inline

Definition at line 254 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 254 of file GFAbsTrackRep.h

References fLastPlane.

Referenced by GenfitTrack2PndTrack().

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TMatrixT<double> GFAbsTrackRep::getLastState ( ) const

inline

Definition at line 248 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 248 of file GFAbsTrackRep.h

References fLastState.

Referenced by GenfitTrack2PndTrack().

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virtual TVector3 GFAbsTrackRep::getMom ( const GFDetPlane & pl )

pure virtual

Implemented in RKTrackRep, LSLTrackRep, and GeaneTrackRep.

Referenced by PrimSelector::Exec(), GenfitTrack2PndTrack(), and GFTrack::getMom().

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TVector3 GFAbsTrackRep::getMom ( )

inline

Definition at line 234 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 234 of file GFAbsTrackRep.h

References fRefPlane, and getMom().

Referenced by GeaneTrackRep::extrapolate(), GeaneTrackRep::extrapolateToLine(), GeaneTrackRep::extrapolateToPoint(), LSLTrackRep::getGlobal(), and getMom().

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unsigned int GFAbsTrackRep::getNDF ( ) const

inline

Definition at line 272 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 272 of file GFAbsTrackRep.h

References fNdf, and getDim().

Referenced by GFTrack::getNDF(), getPVal(), and getRedChiSqu().

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int GFAbsTrackRep::getPDG ( )

virtual

method which gets pdg particle code

default implementation in cxx; should be implemented in a ConcreteTrackRep

Reimplemented in RKTrackRep, and GeaneTrackRep.

Definition at line 79 of file GFAbsTrackRep.cxx.

View newest version in sPHENIX GitHub at line 79 of file GFAbsTrackRep.cxx

References Abort().

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virtual TVector3 GFAbsTrackRep::getPos ( const GFDetPlane & pl )

pure virtual

Implemented in RKTrackRep, LSLTrackRep, and GeaneTrackRep.

Referenced by GFTrack::fillGeoTrack(), GFTrack::getPos(), and trkDist().

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TVector3 GFAbsTrackRep::getPos ( )

inline

Definition at line 233 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 233 of file GFAbsTrackRep.h

References fRefPlane, and getPos().

Referenced by GeaneTrackRep::extrapolateToLine(), LSLTrackRep::getGlobal(), and getPos().

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virtual void GFAbsTrackRep::getPosMom	(	const GFDetPlane &	pl,
		TVector3 &	pos,
		TVector3 &	mom
	)

pure virtual

Implemented in RKTrackRep, LSLTrackRep, and GeaneTrackRep.

void GFAbsTrackRep::getPosMomCov	(	const GFDetPlane &	pl,
		TVector3 &	pos,
		TVector3 &	mom,
		TMatrixT< double > &	cov
	)

virtual

method which gets position, momentum and 6x6 covariance matrix

default implementation in cxx file, if a ConcreteTrackRep can not implement this functionality

Reimplemented in GeaneTrackRep.

Definition at line 85 of file GFAbsTrackRep.cxx.

View newest version in sPHENIX GitHub at line 85 of file GFAbsTrackRep.cxx

References Abort().

Referenced by getPosMomCov(), and GFTrack::getPosMomCov().

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void GFAbsTrackRep::getPosMomCov	(	TVector3 &	pos,
		TVector3 &	mom,
		TMatrixT< double > &	c
	)

inline

Definition at line 235 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 235 of file GFAbsTrackRep.h

References fRefPlane, and getPosMomCov().

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double GFAbsTrackRep::getPVal ( ) const

inline

Definition at line 269 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 269 of file GFAbsTrackRep.h

References getChiSqu(), and getNDF().

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double GFAbsTrackRep::getRedChiSqu ( ) const

inline

returns chi2/ndf

Definition at line 264 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 264 of file GFAbsTrackRep.h

References getChiSqu(), and getNDF().

Referenced by GFTrack::getRedChiSqu().

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const GFDetPlane& GFAbsTrackRep::getReferencePlane ( ) const

inline

Definition at line 328 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 328 of file GFAbsTrackRep.h

References fRefPlane.

Referenced by GFKalman::processHit(), and GFKalman::processTrack().

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TMatrixT<double> GFAbsTrackRep::getState ( ) const

inline

Definition at line 202 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 202 of file GFAbsTrackRep.h

References fState.

Referenced by GFTrack::fillGeoTrack(), GFTrack::getResiduals(), GFKalman::processHit(), and GFKalman::processTrack().

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double GFAbsTrackRep::getStateElem ( int i ) const

inline

Definition at line 209 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 209 of file GFAbsTrackRep.h

References fState.

bool GFAbsTrackRep::getStatusFlag ( )

inline

Definition at line 357 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 357 of file GFAbsTrackRep.h

References fStatusFlag.

Referenced by GFTrack::blowUpCovs(), GFKalman::fittingPass(), and GFDaf::processTrack().

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double GFAbsTrackRep::getXX0 ( ) const

inline

X/X0 (total fraction of radiation length passed), cumulated during last extrapolation. The fitter has to reset XX0 via resetXX0()

Definition at line 279 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 279 of file GFAbsTrackRep.h

References fXX0.

virtual bool GFAbsTrackRep::hasAuxInfo ( )

inlinevirtual

See if the track representation has auxillary information stored.

See if auxillary information is stored in the track representation. See the documentation of GFAbsTrackRep::getAuxInfo() for details.

Reimplemented in RKTrackRep.

Definition at line 368 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 368 of file GFAbsTrackRep.h

Referenced by GFDaf::copySmoothing(), GFTools::getBiasedSmoothedData(), GFTools::getSmoothedData(), GFKalman::processHit(), GFKalman::processTrack(), and GFTools::updateRepSmoothed().

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void GFAbsTrackRep::Print ( const Option_t * option = "" ) const

virtual

Definition at line 107 of file GFAbsTrackRep.cxx.

View newest version in sPHENIX GitHub at line 107 of file GFAbsTrackRep.cxx

References fChiSqu, fCov, fRefPlane, fState, and GFDetPlane::Print().

Referenced by GFTrack::Print().

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virtual GFAbsTrackRep* GFAbsTrackRep::prototype ( ) const

pure virtual

Implemented in LSLTrackRep, RKTrackRep, and GeaneTrackRep.

void GFAbsTrackRep::reset ( )

virtual

Definition at line 94 of file GFAbsTrackRep.cxx.

View newest version in sPHENIX GitHub at line 94 of file GFAbsTrackRep.cxx

References fCov, fFirstCov, fFirstState, fLastCov, fLastState, fRefPlane, fState, and GFDetPlane::set().

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void GFAbsTrackRep::resetXX0 ( )

inline

Definition at line 386 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 386 of file GFAbsTrackRep.h

References fXX0.

Referenced by GFKalman::processTrack().

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void GFAbsTrackRep::setChiSqu ( double aChiSqu )

inline

Definition at line 330 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 330 of file GFAbsTrackRep.h

References fChiSqu.

Referenced by GFKalman::fittingPass().

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void GFAbsTrackRep::setCov ( const TMatrixT< double > & aCov )

inline

Definition at line 299 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 299 of file GFAbsTrackRep.h

References fCov.

Referenced by GFTrack::blowUpCovs().

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virtual void GFAbsTrackRep::setData	(	const TMatrixT< double > &	st,
		const GFDetPlane &	pl,
		const TMatrixT< double > *	cov = `NULL`,
		const TMatrixT< double > *	aux = `NULL`
	)

inlinevirtual

Puts the track representation in a given state.

This is used to update the track representation after the update of the Kalman filter was calculated.

IMPORTANT: One should be able to set the track representation to arbitraty values using this method. If the track representation needs additional information beside the state vector, the plane and the covariance, it has to be handed over via the "aux" Matrix. GFAbsTrackRep::getAuxInfo() should return the appropriate information. This is mandatory if smoothing is used.

Definition at line 293 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 293 of file GFAbsTrackRep.h

References Acts::Test::cov, fCov, fRefPlane, and fState.

Referenced by extrapolate(), GFTools::getBiasedSmoothedData(), GFTools::getSmoothedData(), GFKalman::processHit(), LSLTrackRep::setData(), RKTrackRep::setData(), and GFTools::updateRepSmoothed().

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void GFAbsTrackRep::setFirstCov ( const TMatrixT< double > & aCov )

inline

Definition at line 305 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 305 of file GFAbsTrackRep.h

References fFirstCov.

void GFAbsTrackRep::setFirstPlane ( const GFDetPlane & aPlane )

inline

Definition at line 308 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 308 of file GFAbsTrackRep.h

References Acts::Test::aPlane, and fFirstPlane.

void GFAbsTrackRep::setFirstState ( const TMatrixT< double > & aState )

inline

Definition at line 302 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 302 of file GFAbsTrackRep.h

References fFirstState.

void GFAbsTrackRep::setForwardChiSqu ( double aChiSqu )

inline

Definition at line 333 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 333 of file GFAbsTrackRep.h

References fForwardChiSqu.

Referenced by GFKalman::fittingPass().

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bool GFAbsTrackRep::setInverted ( bool f = true )

inline

Deprecated. Should be removed soon.

Definition at line 355 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 355 of file GFAbsTrackRep.h

References fInverted.

void GFAbsTrackRep::setLastCov ( const TMatrixT< double > & aCov )

inline

Definition at line 314 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 314 of file GFAbsTrackRep.h

References fLastCov.

void GFAbsTrackRep::setLastPlane ( const GFDetPlane & aPlane )

inline

Definition at line 317 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 317 of file GFAbsTrackRep.h

References Acts::Test::aPlane, and fLastPlane.

void GFAbsTrackRep::setLastState ( const TMatrixT< double > & aState )

inline

Definition at line 311 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 311 of file GFAbsTrackRep.h

References fLastState.

void GFAbsTrackRep::setNDF ( unsigned int n )

inline

Definition at line 336 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 336 of file GFAbsTrackRep.h

References fNdf, and n.

Referenced by GFKalman::fittingPass().

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void GFAbsTrackRep::setPosMomCov	(	const TVector3 &	pos,
		const TVector3 &	mom,
		const TMatrixT< double > &	cov
	)

virtual

method which sets position, momentum and 6x6 covariance matrix

default implementation in cxx file, if a ConcreteTrackRep can not implement this functionality

Definition at line 89 of file GFAbsTrackRep.cxx.

View newest version in sPHENIX GitHub at line 89 of file GFAbsTrackRep.cxx

References Abort().

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void GFAbsTrackRep::setStatusFlag ( int _val )

inline

Definition at line 348 of file GFAbsTrackRep.h.

View newest version in sPHENIX GitHub at line 348 of file GFAbsTrackRep.h

References fStatusFlag.

Referenced by GFKalman::fittingPass(), and GFDaf::processTrack().

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double GFAbsTrackRep::stepalong	(	double	h,
		TVector3 &	point,
		TVector3 &	dir
	)

virtual

make step of h cm along the track

There is an empty implementation in GFAbsTrackRep.cxx which will abort (see one of the extrapolate methods above). This can be overwritten, if this feature is needed. This method does NOT alter the state of the object!

Reimplemented in RKTrackRep.

Definition at line 71 of file GFAbsTrackRep.cxx.

View newest version in sPHENIX GitHub at line 71 of file GFAbsTrackRep.cxx

References Abort().

Referenced by trackProximity().

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virtual void GFAbsTrackRep::switchDirection ( )

pure virtual

Implemented in RKTrackRep, LSLTrackRep, and GeaneTrackRep.

Referenced by GFKalman::switchDirection().

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