Class to hold reconstructed track, interface to fortran. More...

#include <TOPtrack.h>

Collaboration diagram for TOPtrack:

[legend]

Public Member Functions
	TOPtrack ()
	Default constructor.

	TOPtrack (double x, double y, double z, double Px, double Py, double Pz, double Tlen, int Q, int pdg=0)
	Constructor with track parameters. More...

	TOPtrack (const Track *track, const Const::ChargedStable &chargedStable=Const::pion)
	Constructor from mdst track - isValid() must be checked before using the object. More...

	TOPtrack (const Track *track, int moduleID, const Const::ChargedStable &chargedStable=Const::pion)
	Constructor from mdst track - isValid() must be checked before using the object. More...

bool	isValid () const
	Check if track is properly defined. More...

const TVector3 &	getPosition () const
	Return spatial position. More...

const TVector3 &	getMomentum () const
	Return momentum vector. More...

double	getX () const
	Return position component. More...

double	getY () const
	Return position component. More...

double	getZ () const
	Return position component. More...

double	getPx () const
	Return momentum component. More...

double	getPy () const
	Return momentum component. More...

double	getPz () const
	Return momentum component. More...

double	getTrackLength () const
	Return track length from IP to current position. More...

double	getTOF (double mass) const
	Return time-of-flight from IP to current position for given particle mass. More...

double	getTOF (const Const::ChargedStable &particle) const
	Return time-of-flight from IP to current position for given charged stable. More...

void	setTrackLength (double tof, double mass)
	Set track length from time-of-flight and particle mass. More...

void	setTrackLength (double tof, const Const::ChargedStable &particle)
	Set track length from time-of-flight and given charged stable. More...

double	getP () const
	Return momentum magnitude. More...

double	getTheta () const
	Return momentum polar angle. More...

double	getPhi () const
	Return momentum azimuthal angle. More...

int	getPDGcode () const
	Return PDG code. More...

int	getCharge () const
	Return charge. More...

int	getHypID () const
	Return internal particle code. More...

int	getModuleID () const
	Return module ID. More...

bool	atTop () const
	Check if toTop() was already called. More...

const Track *	getTrack () const
	Return mdst track if this track is constructed from it. More...

const ExtHit *	getExtHit () const
	Return extrapolated hit (track entrance to the bar) if this track is constructed from mdst track. More...

const MCParticle *	getMCParticle () const
	Return MC particle assigned to this track (if any) More...

const TOPBarHit *	getBarHit () const
	Return bar hit of MC particle assigned to this track (if any) More...

int	toTop ()
	Propagate track to TOP counter (assuming uniform B field along z) More...

void	smear (double sig_x, double sig_z, double sig_theta, double sig_phi)
	Smear track. More...

void	dump () const
	Print track parameters to std output.

Private Member Functions
int	findModule ()
	Finds moduleID the track is crossing. More...

Private Attributes
bool	m_valid = false
	true for properly defined track

TVector3	m_position
	position vector

TVector3	m_momentum
	momentum vector

double	m_trackLength = 0
	track length from IP to point

int	m_charge = 0
	charge

int	m_pdg = 0
	PDG code (optional)

bool	m_atTop = false
	true, if toTop() called

int	m_moduleID = 0
	module ID or 0

const Track *	m_track = 0
	pointer to mdst track or NULL

const ExtHit *	m_extHit = 0
	pointer to extrapolated hit or NULL

const MCParticle *	m_mcParticle = 0
	pointer to MC particle or NULL

const TOPBarHit *	m_barHit = 0
	pointer to bar hit or NULL

Detailed Description

Class to hold reconstructed track, interface to fortran.

Input to TOPreco.

Definition at line 42 of file TOPtrack.h.

Constructor & Destructor Documentation

◆ TOPtrack() [1/3]

TOPtrack	(	double	x,
		double	y,
		double	z,
		double	Px,
		double	Py,
		double	Pz,
		double	Tlen,
		int	Q,
		int	pdg = `0`
	)

Constructor with track parameters.

Parameters

x	track spatial position x
y	track spatial position y
z	track spatial position z
Px	track momentum component x
Py	track momentum component y
Pz	track momentum component z
Tlen	track length from IP
Q	track charge
pdg	PDG code (optional)

Definition at line 41 of file TOPtrack.cc.

                                                    :
       m_valid(true), m_position(x, y, z), m_momentum(px, py, pz),
       m_trackLength(Tlen), m_charge(Q), m_pdg(pdg),
       m_atTop(false), m_moduleID(0),
       m_track(0), m_extHit(0), m_mcParticle(0), m_barHit(0)
     {
       m_moduleID = findModule();
     }

◆ TOPtrack() [2/3]

TOPtrack	(	const Track *	track,
		const Const::ChargedStable &	chargedStable = `Const::pion`
	)

explicit

Constructor from mdst track - isValid() must be checked before using the object.

Parameters

track	mdst track pointer
chargedStable	hypothesis used in mdst track extrapolation (default: pion)

Definition at line 53 of file TOPtrack.cc.

◆ TOPtrack() [3/3]

TOPtrack	(	const Track *	track,
		int	moduleID,
		const Const::ChargedStable &	chargedStable = `Const::pion`
	)

Constructor from mdst track - isValid() must be checked before using the object.

Parameters

track	mdst track pointer
moduleID	module (=slot) ID
chargedStable	hypothesis used in mdst track extrapolation (default: pion)

Definition at line 112 of file TOPtrack.cc.

Member Function Documentation

◆ atTop()

bool atTop ( ) const

inline

Check if toTop() was already called.

Returns: true or false

Definition at line 223 of file TOPtrack.h.

228 {return m_extHit;}

◆ findModule()

int findModule ( )

private

Finds moduleID the track is crossing.

Returns: module ID, if track hits the bar, otherwise 0

Definition at line 248 of file TOPtrack.cc.

◆ getBarHit()

const TOPBarHit* getBarHit ( ) const

inline

Return bar hit of MC particle assigned to this track (if any)

Returns: bar hit pointer or NULL

Definition at line 248 of file TOPtrack.h.

◆ getCharge()

int getCharge ( ) const

inline

Return charge.

Returns: charge

Definition at line 205 of file TOPtrack.h.

◆ getExtHit()

const ExtHit* getExtHit ( ) const

inline

Return extrapolated hit (track entrance to the bar) if this track is constructed from mdst track.

Returns: extrapolated hit pointer or NULL

Definition at line 236 of file TOPtrack.h.

◆ getHypID()

int getHypID ( ) const

Return internal particle code.

Returns: internal particle code: 1=e, 2=mu, 3=pi, 4=K, 5=p, 6=d, 0=unknown

Definition at line 177 of file TOPtrack.cc.

◆ getMCParticle()

const MCParticle* getMCParticle ( ) const

inline

Return MC particle assigned to this track (if any)

Returns: MC particle pointer or NULL

Definition at line 242 of file TOPtrack.h.

◆ getModuleID()

int getModuleID ( ) const

inline

Return module ID.

Returns: module ID, if track hits the bar, otherwise 0

Definition at line 217 of file TOPtrack.h.

◆ getMomentum()

const TVector3& getMomentum ( ) const

inline

Return momentum vector.

Returns: momentum vector

Definition at line 99 of file TOPtrack.h.

◆ getP()

double getP ( ) const

inline

Return momentum magnitude.

Returns: momentum

Definition at line 181 of file TOPtrack.h.

◆ getPDGcode()

int getPDGcode ( ) const

inline

Return PDG code.

Returns: PDG code

Definition at line 199 of file TOPtrack.h.

◆ getPhi()

double getPhi ( ) const

inline

Return momentum azimuthal angle.

Returns: momentum azimuthal angle

Definition at line 193 of file TOPtrack.h.

◆ getPosition()

const TVector3& getPosition ( ) const

inline

Return spatial position.

Returns: position

Definition at line 93 of file TOPtrack.h.

◆ getPx()

double getPx ( ) const

inline

Return momentum component.

Returns: momentum component x

Definition at line 123 of file TOPtrack.h.

◆ getPy()

double getPy ( ) const

inline

Return momentum component.

Returns: momentum component y

Definition at line 129 of file TOPtrack.h.

◆ getPz()

double getPz ( ) const

inline

Return momentum component.

Returns: momentum component z

Definition at line 135 of file TOPtrack.h.

◆ getTheta()

double getTheta ( ) const

inline

Return momentum polar angle.

Returns: momentum polar angle

Definition at line 187 of file TOPtrack.h.

◆ getTOF() [1/2]

double getTOF ( const Const::ChargedStable & particle ) const

inline

Return time-of-flight from IP to current position for given charged stable.

Parameters

particle charged stable particle

Returns: time-of-flight

Definition at line 155 of file TOPtrack.h.

◆ getTOF() [2/2]

double getTOF ( double mass ) const

Return time-of-flight from IP to current position for given particle mass.

Parameters

mass	particle mass

Returns: time-of-flight

Definition at line 163 of file TOPtrack.cc.

◆ getTrack()

const Track* getTrack ( ) const

inline

Return mdst track if this track is constructed from it.

Returns: mdst track pointer or NULL

Definition at line 229 of file TOPtrack.h.

◆ getTrackLength()

double getTrackLength ( ) const

inline

Return track length from IP to current position.

Returns: track length from IP

Definition at line 141 of file TOPtrack.h.

◆ getX()

double getX ( ) const

inline

Return position component.

Returns: spatial position x

Definition at line 105 of file TOPtrack.h.

◆ getY()

double getY ( ) const

inline

Return position component.

Returns: spatial position y

Definition at line 111 of file TOPtrack.h.

◆ getZ()

double getZ ( ) const

inline

Return position component.

Returns: spatial position z

Definition at line 117 of file TOPtrack.h.

◆ isValid()

bool isValid ( ) const

inline

Check if track is properly defined.

Returns: true if properly defined

Definition at line 87 of file TOPtrack.h.

◆ setTrackLength() [1/2]

void setTrackLength	(	double	tof,
		const Const::ChargedStable &	particle
	)

inline

Set track length from time-of-flight and given charged stable.

Parameters

tof	time-of-flight
particle	charged stable particle

Definition at line 172 of file TOPtrack.h.

◆ setTrackLength() [2/2]

void setTrackLength	(	double	tof,
		double	mass
	)

Set track length from time-of-flight and particle mass.

Parameters

tof	time-of-flight
mass	particle mass

Definition at line 170 of file TOPtrack.cc.

◆ smear()

void smear	(	double	sig_x,
		double	sig_z,
		double	sig_theta,
		double	sig_phi
	)

Smear track.

Parameters

sig_x	sigma in x
sig_z	sigma in z
sig_theta	sigma in theta
sig_phi	sigma in phi

Definition at line 209 of file TOPtrack.cc.

◆ toTop()

int toTop ( )

Propagate track to TOP counter (assuming uniform B field along z)

Returns: module ID, if track hits the bar, otherwise 0

Definition at line 186 of file TOPtrack.cc.

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

top/reconstruction/include/TOPtrack.h
top/reconstruction/src/TOPtrack.cc

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ TOPtrack() [1/3]

◆ TOPtrack() [2/3]

◆ TOPtrack() [3/3]

Member Function Documentation

◆ atTop()

◆ findModule()

◆ getBarHit()

◆ getCharge()

◆ getExtHit()

◆ getHypID()

◆ getMCParticle()

◆ getModuleID()

◆ getMomentum()

◆ getP()

◆ getPDGcode()

◆ getPhi()

◆ getPosition()

◆ getPx()

◆ getPy()

◆ getPz()

◆ getTheta()

◆ getTOF() [1/2]

◆ getTOF() [2/2]

◆ getTrack()

◆ getTrackLength()

◆ getX()

◆ getY()

◆ getZ()

◆ isValid()

◆ setTrackLength() [1/2]

◆ setTrackLength() [2/2]

◆ smear()

◆ toTop()