#include <PndSTETools.h>

Inheritance diagram for PndSTETools:

Public Member Functions
	PndSTETools ()

virtual	~PndSTETools ()

double	GetDistanceToTrack (PndRiemannTrack mvdRiemannTrack, PndSdsHit *mvdHit)
	A function that returns the distance between a MVD hit and the Riemann track. More...

double	GetDistanceToTrackRiemannHit (PndRiemannTrack mvdRiemannTrack, PndRiemannHit hit)
	A function that returns the distance between a Riemann hit and the Riemann track. More...

PndRiemannTrack	CompareError (PndRiemannTrack oldRiemannTrack, PndRiemannTrack newRiemannTrack)
	Function to compare the error between two Riemann tracks between two steps of the iterations. More...

bool	NewTrackHasSmallestError ()
	Funtion returning the value of fNewTrack. Can be used in other classes to determine which Riemann track to use in the continued tracking. More...

bool	IsHitInTrack (PndSdsHit *mvdHit, PndTrackCand trackCand)
	Function to examine if a specific hit has already been included in a track. More...

void	CalcSlope (PndTrack *track)
	Function to calculate the slope of the line defining the hemisphere surface. More...

double	GetLineSlope ()
	Function returning the value of the line slope for a track. More...

std::vector< PndSdsHit * >	RefitRiemannTrack (PndRiemannTrack riemannTrack, std::vector< PndSdsHit *> mvdHits)
	Function that refits the Riemann track with a set of MVD hits. More...

void	DrawTracks (bool val)
	Function for choosing to draw the tracks with hits. More...

void	CalcChi2 (PndRiemannTrack riemannTrack, std::vector< PndSdsHit *> mvdHitVector)
	Function to calculate the chi2 of a Riemann track with MVD hits. More...

void	CalcChi2SZ (PndRiemannTrack riemannTrack, std::vector< PndSdsHit *> mvdHitVector)
	Function to calculate the chi2 of a Riemann track with MVD hits in SZ plane. More...

void	CalcResidual (PndRiemannTrack track, std::vector< PndSdsHit *> mvdHitVec)
	Function that calculates the residuals (distances) between the track and the hits in SZ space. More...

bool	IsHitInCorrectHemisphere (PndSdsHit *myHit, double xc, double lineSlope)
	Function to test if the MVD hit is in the same hemisphere as the Center-of-Gravity of the STT hits in the track. More...

Public Member Functions inherited from PndSTETrackBase
	PndSTETrackBase ()

virtual	~PndSTETrackBase ()

PndTrack	GetTrack (int i)
	Function to get a track after the refit. More...

PndTrackCand	GetTrackCand (int i)
	Function to get a track candidate after the refit. More...

PndRiemannTrack	GetRiemannTrack (int i)
	Function to get a Riemann track after the refit. More...

int	NumTrackCands ()
	Function to get the number of track candidates after the refit. More...

int	NumRiemannTracks ()
	Function to get the number of Riemann tracks after the refit. More...

Public Member Functions inherited from PndSTESettings
	PndSTESettings ()

virtual	~PndSTESettings ()

void	SetMagneticField ()
	Function to set the magnetic field strength. More...

double	GetMagneticField ()

void	IncludeDetector (bool includeMvd, bool includeGem, bool includeBtof)
	Function to choose which detectors to include. More...

void	SetMvdHitDist (Double_t val)
	Function to set the maximum allowed distance of closest approach between the MVD hit and the track. More...

void	SetGemHitDist (Double_t val)
	Function to set the maximum allowed distance of closest approach between the GEM hit and the track. More...

void	SetBtofHitDist (Double_t val)
	Function to set the maximum allowed distance of closest approach between the BTOF hit and the track. More...

void	SetUseHelix (Bool_t val)
	Function to set ia a helix extrapolation should be used in the procedure. More...

void	SetUseRiemannTrack (Bool_t val)
	Function to set ia a Riemann track should be used in the procedure. More...

void	SetUseIdealTrack (bool val)
	Function to choose to give an ideal track as input to the MVD hit fiinding. More...

void	SetRunIn3D (bool val)
	Function to choose if the 2D or 3D function should be used. More...

void	SetNoAreaExclusion (bool val)
	Function to choose if there is an area exclusion in the Mvd hit inclusion. More...

void	SetUseHemisphere (bool useHemisphere)
	Function to choose to use the hemispehere method for excluding a certain area of the detector. More...

void	SetWeightsMvdHit (double weight)
	Function to set the proper weights for the MVD hits for the Riemann fitting procedure. More...

void	SetDrawTracks (bool val)

Additional Inherited Members
Protected Member Functions inherited from PndSTETrackBase
	ClassDef (PndSTETrackBase, 1)

Protected Member Functions inherited from PndSTESettings
	ClassDef (PndSTESettings, 1)

Protected Attributes inherited from PndSTETrackBase
std::map< PndSdsHit *, int >	fMapMvdHitBranchId

std::vector< PndTrackCand >	fTrackCands

std::vector< PndTrack >	fTracks

std::vector< PndRiemannTrack >	fRiemannTracks

double	fxc
	x-coordinate of the center of gravity of the hits in one track, used for computing hemispheres The x-coordinate but not y-coordinate is not used to test which hemisphere the hit is in More...

double	fLineSlope = 0

std::vector< double >	fChi2OneHit

double	fSumChi2 = 0

double	fReducedChi2 = 0

std::map< double, PndSdsHit * >	fMapChi2OneHitMvdHit

std::vector< double >	fChi2OneHitSZ

double	fSumChi2SZ = 0

double	fReducedChi2SZ = 0

std::map< double, PndSdsHit * >	fMapChi2OneHitMvdHitSZ

Protected Attributes inherited from PndSTESettings
bool	fIncludeMvd = false

bool	fIncludeGem = false

bool	fIncludeBtof = false

double	fBz

bool	fUseHelix = false

bool	fIdealTrack = false

bool	fUseRiemann = false

bool	fRunIn3D = false

bool	fUseHemisphere = false

bool	fNoMVDAreaExclusion = false

bool	fAdjustWeightsMvd = false

double	fWeightMVD = -1.0

double	fMvdHitDist = 9999999.0

double	fGemHitDist = 9999999.0

double	fBtofHitDist = 9999999.0

bool	fDrawTrack = false

Detailed Description

Definition at line 24 of file PndSTETools.h.

Constructor & Destructor Documentation

◆ PndSTETools()

PndSTETools::PndSTETools ( )

inline

Default Constructor

Definition at line 28 of file PndSTETools.h.

28 {};

◆ ~PndSTETools()

virtual PndSTETools::~PndSTETools ( )

inlinevirtual

Default Destructor

Definition at line 31 of file PndSTETools.h.

References CompareError(), GetDistanceToTrack(), and GetDistanceToTrackRiemannHit().

31 {};

Member Function Documentation

◆ CalcChi2()

void PndSTETools::CalcChi2	(	PndRiemannTrack	riemannTrack,
		std::vector< PndSdsHit *>	mvdHitVector
	)

Function to calculate the chi2 of a Riemann track with MVD hits.

Parameters

riemannTrack	Input Riemann track for the calculation
mvdHitVector	hits to be added to the track for the calculation

Referenced by DrawTracks().

◆ CalcChi2SZ()

void PndSTETools::CalcChi2SZ	(	PndRiemannTrack	riemannTrack,
		std::vector< PndSdsHit *>	mvdHitVector
	)

Function to calculate the chi2 of a Riemann track with MVD hits in SZ plane.

Parameters

riemannTrack	Input Riemann track for the calculation
mvdHitVector	hits to be added to the track for the calculation

Referenced by DrawTracks().

◆ CalcResidual()

void PndSTETools::CalcResidual	(	PndRiemannTrack	track,
		std::vector< PndSdsHit *>	mvdHitVec
	)

Function that calculates the residuals (distances) between the track and the hits in SZ space.

Parameters

track	Input Riemann track for the calculation
mvdHitVec	hits to be added to the track for the calculation

Referenced by DrawTracks().

◆ CalcSlope()

void PndSTETools::CalcSlope ( PndTrack * track )

Function to calculate the slope of the line defining the hemisphere surface.

The slope is set within the function and is accessible from other classes

Parameters

track The track for which the slope should be calculated

Referenced by NewTrackHasSmallestError().

◆ CompareError()

PndRiemannTrack PndSTETools::CompareError	(	PndRiemannTrack	oldRiemannTrack,
		PndRiemannTrack	newRiemannTrack
	)

Function to compare the error between two Riemann tracks between two steps of the iterations.

Parameters

oldRiemannTrack	Riemann track from iteration i-1 in 3D method for including Mvd hits
newRiemannTrack	Riemann track from iteration i in 3D method for including Mvd hits

Returns: Riemann track with smallest error in the radius

Referenced by ~PndSTETools().

◆ DrawTracks()

void PndSTETools::DrawTracks ( bool val )

inline

Function for choosing to draw the tracks with hits.

Definition at line 88 of file PndSTETools.h.

References CalcChi2(), CalcChi2SZ(), CalcResidual(), and IsHitInCorrectHemisphere().

88 { fDrawTrack = val; };

◆ GetDistanceToTrack()

double PndSTETools::GetDistanceToTrack	(	PndRiemannTrack	mvdRiemannTrack,
		PndSdsHit *	mvdHit
	)

A function that returns the distance between a MVD hit and the Riemann track.

Parameters

mvdRiemannTrack	Input Riemann track
mvdHit	Input Mvd hit

Returns: The distance between the hit and track

Referenced by ~PndSTETools().

◆ GetDistanceToTrackRiemannHit()

double PndSTETools::GetDistanceToTrackRiemannHit	(	PndRiemannTrack	mvdRiemannTrack,
		PndRiemannHit	hit
	)

A function that returns the distance between a Riemann hit and the Riemann track.

Parameters

mvdRiemannTrack	Input Riemann track
hit	Input Riemann hit

Returns: The distance between the hit and track

Referenced by ~PndSTETools().

◆ GetLineSlope()

double PndSTETools::GetLineSlope ( )

inline

Function returning the value of the line slope for a track.

Returns: The line slope

Definition at line 76 of file PndSTETools.h.

References PndSTETrackBase::fLineSlope, and RefitRiemannTrack().

76 { return fLineSlope; }

PndSTETrackBase::fLineSlope

double fLineSlope

Definition: PndSTETrackBase.h:61

◆ IsHitInCorrectHemisphere()

bool PndSTETools::IsHitInCorrectHemisphere	(	PndSdsHit *	myHit,
		double	xc,
		double	lineSlope
	)

Function to test if the MVD hit is in the same hemisphere as the Center-of-Gravity of the STT hits in the track.

Parameters

myHit	Mvd hit to be tested
xc	X position of the center of the Center-of-Gravity of the track
lineSlope	Already calculated line slope of the track

Returns: true if hit is on opposite hemisphere, false if it is in the same hemiphere

Referenced by DrawTracks().

◆ IsHitInTrack()

bool PndSTETools::IsHitInTrack	(	PndSdsHit *	mvdHit,
		PndTrackCand	trackCand
	)

Function to examine if a specific hit has already been included in a track.

Parameters

mvdHit	Hit to be tested if it is in a certain track
trackCand	Track cand corresponding to the track the hit is tested for

Returns: true if hit is in track, false if hit is not in track

Referenced by NewTrackHasSmallestError().

◆ NewTrackHasSmallestError()

bool PndSTETools::NewTrackHasSmallestError ( )

inline

Funtion returning the value of fNewTrack. Can be used in other classes to determine which Riemann track to use in the continued tracking.

Returns: true if the track in iteration i-1 has smaller error than the track from iteration i

Definition at line 58 of file PndSTETools.h.

References CalcSlope(), and IsHitInTrack().

58 { return fNewTrack; };

◆ RefitRiemannTrack()

std::vector<PndSdsHit *> PndSTETools::RefitRiemannTrack	(	PndRiemannTrack	riemannTrack,
		std::vector< PndSdsHit *>	mvdHits
	)

Function that refits the Riemann track with a set of MVD hits.

The function returns all MVD hits except the worst ftted one, i.e. the one with the largest contribution to the chi2

Parameters

riemannTrack	Riemann track to be refitted
mvdHits	Vector of Mvd hits to add to the track

Returns: All Mvd hits except the one with the largest contribution to the chi2

Referenced by GetLineSlope().

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

PndSTETools.h

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ PndSTETools()

◆ ~PndSTETools()

Member Function Documentation

◆ CalcChi2()

◆ CalcChi2SZ()

◆ CalcResidual()

◆ CalcSlope()

◆ CompareError()

◆ DrawTracks()

◆ GetDistanceToTrack()

◆ GetDistanceToTrackRiemannHit()

◆ GetLineSlope()

◆ IsHitInCorrectHemisphere()

◆ IsHitInTrack()

◆ NewTrackHasSmallestError()

◆ RefitRiemannTrack()