PndHoughUtilities Class Reference

#include <PndHoughUtilities.h>

Public Member Functions
	PndHoughUtilities (PndHoughData *fData)
virtual	~PndHoughUtilities ()
std::vector< double >	getCircleFromPndTrack (PndTrack &tr)
	Determines the circle from a PndTrack. More...
double	Pt (double B, double r)
	Determines the transverse momentum. More...
std::tuple< TVector3, Int_t >	getPandqforHit (int i, double B, TVector3 &circle, PndTrackCand &myCand)
	Determines the charge q and the momentum p of a hit. More...
FairTrackParP	getTrackParPForHit (Int_t i, Double_t B, PndTrackCand &myCand, TVector3 &circle)
	Helper function to find PndTrack parameters from a circle. More...
PndTrack	getPndTrack (Double_t B, PndTrackCand &myCand, TVector3 &circle)
	Determined the PndTrack for a given track candidate and a circle. More...
TVector2	calcPointOnCircle (Int_t i, PndTrackCand &myCand, std::vector< double > &circle)
	Finds the point on a circle closest to the given hit point. More...
TVector2	findCorrectIntersectionPoint (std::vector< double > &intersectionPoints, TVector2 &point)
	Finds the correct intersection point. More...
std::vector< double >	calcIntersectionPointCircleLine (std::vector< double > &circle, double m, double b, double Ax)
	Finds the intersection point between a line and a circle. More...
double	calcDistanceTrackCandToTrack (PndTrackCand &trackCand, std::vector< double > &circle)
	Calculates the sum of distances from each hit of a track to the track circle. More...
double	calcDistanceFromIsochroneToCircle (double &xi, double &yi, double &ri, double &xT, double &yT, double &rT)
	Calculates the distance from a hitpoint (MVD hit or nearest point of stt isochrone to track) to a circle from hough space. More...

Detailed Description

PndHoughUtilities

Author

Anna Alicke a.ali.nosp@m.cke@.nosp@m.fz-ju.nosp@m.elic.nosp@m.h.de

Since

29.10.2018 23.11.2021

Version

3.1

PANDA class to handle PndTracks vs Circles Task level RECO

Definition at line 37 of file PndHoughUtilities.h.

Constructor & Destructor Documentation

PndHoughUtilities()

PndHoughUtilities::PndHoughUtilities ( PndHoughData *  fData )

inline

Definition at line 40 of file PndHoughUtilities.h.

                                         : fMapFairLinktoFairHit(fData->GetMapFairLinktoFairHit()), fMapFairLinktoIsochrone(fData->GetMapFairLinktoIsochrone())
  {
    ioman = FairRootManager::Instance();
  };

~PndHoughUtilities()

virtual PndHoughUtilities::~PndHoughUtilities ( )

inlinevirtual

Definition at line 45 of file PndHoughUtilities.h.

References calcDistanceFromIsochroneToCircle(), calcDistanceTrackCandToTrack(), calcIntersectionPointCircleLine(), calcPointOnCircle(), findCorrectIntersectionPoint(), getCircleFromPndTrack(), getPandqforHit(), getPndTrack(), getTrackParPForHit(), i, m, and Pt().

{};

Member Function Documentation

calcDistanceFromIsochroneToCircle()

double PndHoughUtilities::calcDistanceFromIsochroneToCircle	(	double &	xi,
		double &	yi,
		double &	ri,
		double &	xT,
		double &	yT,
		double &	rT
	)

Calculates the distance from a hitpoint (MVD hit or nearest point of stt isochrone to track) to a circle from hough space.

Referenced by ~PndHoughUtilities().

calcDistanceTrackCandToTrack()

double PndHoughUtilities::calcDistanceTrackCandToTrack	(	PndTrackCand &	trackCand,
		std::vector< double > &	circle
	)

Calculates the sum of distances from each hit of a track to the track circle.

Referenced by ~PndHoughUtilities().

calcIntersectionPointCircleLine()

std::vector<double> PndHoughUtilities::calcIntersectionPointCircleLine	(	std::vector< double > &	circle,
		double	m,
		double	b,
		double	Ax
	)

Finds the intersection point between a line and a circle.

Referenced by ~PndHoughUtilities().

calcPointOnCircle()

TVector2 PndHoughUtilities::calcPointOnCircle	(	Int_t	i,
		PndTrackCand &	myCand,
		std::vector< double > &	circle
	)

Finds the point on a circle closest to the given hit point.

Referenced by ~PndHoughUtilities().

findCorrectIntersectionPoint()

TVector2 PndHoughUtilities::findCorrectIntersectionPoint	(	std::vector< double > &	intersectionPoints,
		TVector2 &	point
	)

Finds the correct intersection point.

Referenced by ~PndHoughUtilities().

getCircleFromPndTrack()

std::vector<double> PndHoughUtilities::getCircleFromPndTrack

(

PndTrack &

tr

)

Determines the circle from a PndTrack.

Referenced by ~PndHoughUtilities().

getPandqforHit()

std::tuple<TVector3, Int_t> PndHoughUtilities::getPandqforHit	(	int	i,
		double	B,
		TVector3 &	circle,
		PndTrackCand &	myCand
	)

Determines the charge q and the momentum p of a hit.

Referenced by ~PndHoughUtilities().

getPndTrack()

PndTrack PndHoughUtilities::getPndTrack	(	Double_t	B,
		PndTrackCand &	myCand,
		TVector3 &	circle
	)

Determined the PndTrack for a given track candidate and a circle.

Referenced by ~PndHoughUtilities().

getTrackParPForHit()

FairTrackParP PndHoughUtilities::getTrackParPForHit	(	Int_t	i,
		Double_t	B,
		PndTrackCand &	myCand,
		TVector3 &	circle
	)

Helper function to find PndTrack parameters from a circle.

Referenced by ~PndHoughUtilities().

Pt()

double PndHoughUtilities::Pt	(	double	B,
		double	r
	)

Determines the transverse momentum.

Referenced by ~PndHoughUtilities().

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

• PndHoughUtilities.h