PndRiemannHit Class Reference

#include <PndRiemannHit.h>

Inheritance diagram for PndRiemannHit:

Public Member Functions
	PndRiemannHit ()
	PndRiemannHit (double x, double y, double z, double dx, double dy, double dz)
	PndRiemannHit (FairHit *cl, int hitID=-1)
	~PndRiemannHit ()
	PndRiemannHit (const PndRiemannHit &myHit)
PndRiemannHit &	operator= (const PndRiemannHit &myHit)
void	setXYZ (double x, double y, double z)
void	setDXYZ (double dx, double dy, double dz)
void	setHit (FairHit *cl)
const TVector3 &	x () const
const FairHit *	hit () const
int	hitID () const
double	s () const
double	z () const
double	alpha () const
double	sigmaXY () const
double	sigmaX () const
double	sigmaY () const
double	sigmaW () const
const TMatrixD &	covX () const
double	covX (int row, int col) const
bool	operator< (const PndRiemannHit &aHit) const
void	calcPosOnTrk (PndRiemannTrack *trk)

Private Attributes
TVector3	fX
TVector3	fSigmaX
	Sigma Error of fX (should be replaced by covariance matrix) More...
TMatrixD	fCovX
	Covariance Matrix of the hit. More...
FairHit *	fHit
int	fHitID
double	fS
	pathlength along track More...
double	fZ
	z-coordinate of hit More...
double	fDeltaZ
	error in z More...
double	fAlpha
	angle along track More...
int	fVerbose

Detailed Description

Definition at line 35 of file PndRiemannHit.h.

Constructor & Destructor Documentation

PndRiemannHit::PndRiemannHit ( )

inline

Definition at line 39 of file PndRiemannHit.h.

: fX(0.,0.,0.), fSigmaX(0.,0.,0.), fCovX(3,3), fHit(0), fHitID(-1), fS(-1.), fZ(-1.), fDeltaZ(-1.), fAlpha(-1.), fVerbose(0) {};

PndRiemannHit::PndRiemannHit	(	double	x,
		double	y,
		double	z,
		double	dx,
		double	dy,
		double	dz
	)

Definition at line 40 of file PndRiemannHit.cxx.

References dz.

                                                                                            :
         fCovX(3,3),fHit(0),  fS(-1),fZ(mz), fDeltaZ(-1.), fAlpha(-1.), fVerbose(0)
{
        setXYZ(mx,my,mz);
        setDXYZ(dx,dy,dz);
}

PndRiemannHit::PndRiemannHit	(	FairHit *	cl,
		int	hitID = -1
	)

Definition at line 48 of file PndRiemannHit.cxx.

References setHit().

                                                     :
                fCovX(3,3),fHit(cl), fHitID(myHitID),  fS(-1), fZ(-1.), fDeltaZ(-1.), fAlpha(-1.), fVerbose(0)
{
  setHit(cl);
}

PndRiemannHit::~PndRiemannHit

(

)

Definition at line 55 of file PndRiemannHit.cxx.

{}

PndRiemannHit::PndRiemannHit ( const PndRiemannHit &  myHit )

inline

Definition at line 45 of file PndRiemannHit.h.

                                           : TObject(myHit), fX(myHit.fX), fSigmaX(myHit.fSigmaX),
                fCovX(myHit.fCovX), fHit(myHit.fHit), fHitID(myHit.fHitID), fS(myHit.fS),
            fZ(myHit.fZ), fDeltaZ(myHit.fDeltaZ), fAlpha(myHit.fAlpha), fVerbose(myHit.fVerbose)
  {}

Member Function Documentation

double PndRiemannHit::alpha ( ) const

inline

Definition at line 76 of file PndRiemannHit.h.

References fAlpha.

{return fAlpha;}

void PndRiemannHit::calcPosOnTrk

(

PndRiemannTrack *

trk

)

Definition at line 92 of file PndRiemannHit.cxx.

References fAlpha, fHit, fS, fVerbose, fX, PndRiemannTrack::getHit(), PndRiemannTrack::orig(), r, PndRiemannTrack::r(), RIEMANNSCALE, and x().

Referenced by PndRiemannTrack::calcIntersection(), PndRiemannTrack::calcSZChi2(), PndRiemannTrack::szDist(), and PndRiemannTrack::szError().

                                               {
  assert(trk!=NULL);
  TVectorD o=trk->orig();
  o*=RIEMANNSCALE;// convert back to cm;
  double r=trk->r();
  r*=RIEMANNSCALE;
  const PndRiemannHit* firstHit=trk->getHit(0);
  assert(firstHit!=NULL);
  TVector2 k(firstHit->x().X()-o[0],firstHit->x().Y()-o[1]);
  TVector2 l(fX.X()-o[0],fX.Y()-o[1]);
  fAlpha=l.DeltaPhi(k);
//  if (fAlpha < 0)
//        fAlpha += TMath::Pi()*2;
  fS=fAlpha*r;
  if (fVerbose > 1) std::cout << "Alpha/r " << fAlpha << "/" << r << "--> z/s "<< fHit->GetZ() << "/" << fS <<std::endl;
}

const TMatrixD& PndRiemannHit::covX ( ) const

inline

Definition at line 81 of file PndRiemannHit.h.

References fCovX.

{return fCovX;}

double PndRiemannHit::covX ( int  row, int  col  ) const

inline

Definition at line 82 of file PndRiemannHit.h.

References col, fCovX, and row.

{return fCovX[row][col];}

const FairHit* PndRiemannHit::hit ( ) const

inline

Definition at line 72 of file PndRiemannHit.h.

References fHit.

Referenced by PndRiemannTrack::getTrackParPForHit().

{return fHit;}

int PndRiemannHit::hitID ( ) const

inline

Definition at line 73 of file PndRiemannHit.h.

References fHitID.

{return fHitID;}

bool PndRiemannHit::operator< ( const PndRiemannHit &  aHit ) const

inline

< Sort hits by arclength, fails if track curls

Definition at line 83 of file PndRiemannHit.h.

References s().

                                                  {                                                     
          if (s() >= 0 && aHit.s() >= 0){
                  return s() < aHit.s();
          }
          else if (s() <= 0 && aHit.s() <= 0){
                  return -s() < -aHit.s();
          }
          else
                  return s() < aHit.s();
  }

PndRiemannHit& PndRiemannHit::operator= ( const PndRiemannHit &  myHit )

inline

Definition at line 50 of file PndRiemannHit.h.

References fAlpha, fCovX, fDeltaZ, fHit, fHitID, fS, fSigmaX, fVerbose, fX, and fZ.

  {
          if (this != &myHit){
                  fX = myHit.fX;
                  fSigmaX = myHit.fSigmaX;
                  fCovX = myHit.fCovX;
                  fHit = myHit.fHit;
                  fHitID = myHit.fHitID;
                  fS = myHit.fS;
                  fZ = myHit.fZ;
                  fDeltaZ = myHit.fDeltaZ;
                  fAlpha = myHit.fAlpha;
                  fVerbose = myHit.fVerbose;
          }
          return *this;
  }

double PndRiemannHit::s ( ) const

inline

Definition at line 74 of file PndRiemannHit.h.

References fS.

Referenced by PndRiemannTrack::calcIntersection(), PndRiemannTrack::calcSZChi2(), PndRiemannTrack::getCharge(), PndRiemannTrack::getPforHit(), PndRiemannTrack::getTrackParPForHit(), operator<(), PndRiemannTrack::szDist(), and PndRiemannTrack::szError().

{return fS;}

void PndRiemannHit::setDXYZ	(	double	dx,
		double	dy,
		double	dz
	)

Definition at line 70 of file PndRiemannHit.cxx.

References fCovX, fDeltaZ, fX, and RIEMANNSCALE.

Referenced by PndMvdRiemannTrackFinderTaskEff::AddGhostTrack(), PndMvdRiemannTrackFinderTaskCutPar::CalcParHists(), PndMvdRiemannTrackFinderTaskCutPar::CalcRiemannTracks(), PndMvdSttGemRiemannTrackFinder::CheckRiemannHitStt(), PndRiemannTrack::correctSttHit(), PndSttCellTrackletGenerator::CreateRiemannTrack(), PndSciTAnaIdeal::GetRiemannTrack(), PndMvdRiemannVertexFinderTask::refit(), and setHit().

{
          fCovX[0][0] = TMath::Power(dx/RIEMANNSCALE,2);
          fCovX[1][1] = TMath::Power(dy/RIEMANNSCALE,2);
          fCovX[2][2] = 4*(TMath::Power(fX.X(),2)*fCovX[0][0] + 2*fX.X()*fX.Y()*dx*dy + TMath::Power(fX.Y(),2)*fCovX[1][1])/TMath::Power(RIEMANNSCALE,2);

          fDeltaZ = dz/RIEMANNSCALE;
}

void PndRiemannHit::setHit

(

FairHit *

cl

)

Definition at line 79 of file PndRiemannHit.cxx.

References setDXYZ(), and setXYZ().

Referenced by PndRiemannHit().

{
        setXYZ(cl->GetX(), cl->GetY(), cl->GetZ());
        setDXYZ(cl->GetDx(), cl->GetDy(), cl->GetDz());
}

void PndRiemannHit::setXYZ	(	double	x,
		double	y,
		double	z
	)

Definition at line 57 of file PndRiemannHit.cxx.

References a, fX, fZ, r, r2, and RIEMANNSCALE.

Referenced by PndMvdRiemannTrackFinderTaskEff::AddGhostTrack(), PndRiemannTrack::calcIntersection(), PndMvdRiemannTrackFinderTaskCutPar::CalcParHists(), PndMvdRiemannTrackFinderTaskCutPar::CalcRiemannTracks(), PndMvdSttGemRiemannTrackFinder::CheckRiemannHitStt(), PndRiemannTrack::correctSttHit(), PndRiemannTrack::correctSttSkewedHit(), PndSciTAnaIdeal::GetRiemannTrack(), PndMvdRiemannVertexFinderTask::refit(), and setHit().

{
        TVector2 a(mx, my);
        double r=a.Mod()/RIEMANNSCALE;
//      double phi=a.Phi();
        double r2=r*r;

        fX.SetX(mx/RIEMANNSCALE);
        fX.SetY(my/RIEMANNSCALE);
        fX.SetZ(r2);
        fZ = mz;
}

double PndRiemannHit::sigmaW ( ) const

inline

Definition at line 80 of file PndRiemannHit.h.

References sigmaX(), sigmaY(), CAMath::Sqrt(), x(), and y.

Referenced by PndRiemannTrack::distError().

{return TMath::Sqrt(TMath::Power(2*x().x()*sigmaX(),2) + TMath::Power(2*x().y()*sigmaY(),2));} // error of z-Coordinate (x2+y2) in RiemannSpace

double PndRiemannHit::sigmaX ( ) const

inline

Definition at line 78 of file PndRiemannHit.h.

References fCovX, and CAMath::Sqrt().

Referenced by PndRiemannTrack::addHit(), PndMvdSttGemRiemannTrackFinder::CheckRiemannHitStt(), PndRiemannTrack::distError(), and sigmaW().

{return TMath::Sqrt(fCovX[0][0]);}

double PndRiemannHit::sigmaXY

(

)

const

Definition at line 109 of file PndRiemannHit.cxx.

References fCovX, and CAMath::Sqrt().

Referenced by PndRiemannTrack::addHit().

{
        double result = TMath::Sqrt(fCovX[0][0] + fCovX[1][1]);
        if (result == 0.){
                return 1.;
        }
        else return result;
}

double PndRiemannHit::sigmaY ( ) const

inline

Definition at line 79 of file PndRiemannHit.h.

References fCovX, and CAMath::Sqrt().

Referenced by PndRiemannTrack::addHit(), PndMvdSttGemRiemannTrackFinder::CheckRiemannHitStt(), PndRiemannTrack::distError(), and sigmaW().

{return TMath::Sqrt(fCovX[1][1]);}

const TVector3& PndRiemannHit::x ( ) const

inline

Definition at line 71 of file PndRiemannHit.h.

References fX.

Referenced by PndRiemannTrack::addHit(), PndRiemannTrack::calcAlpha(), PndRiemannTrack::calcErrorPosByS(), PndRiemannTrack::calcErrorS(), PndRiemannTrack::calcPosByS(), calcPosOnTrk(), PndMvdSttGemRiemannTrackFinder::CheckRiemannHitStt(), PndMvdRiemannTrackFinderTaskCutPar::CheckTooCloseHits(), PndRiemannTrack::correctSttHit(), PndRiemannTrack::correctSttHits(), PndRiemannTrack::dist(), PndRiemannTrack::distCircle(), PndMvdSttGemRiemannTrackFinderTask::Exec(), PndRiemannTrack::getPforHit(), and sigmaW().

{return fX;}

double PndRiemannHit::z

(

)

const

Definition at line 87 of file PndRiemannHit.cxx.

References fZ.

Referenced by PndRiemannTrack::calcSZChi2(), PndMvdSttGemRiemannTrackFinder::CheckRiemannHitMvd(), PndMvdSttGemRiemannTrackFinder::CheckSZ(), PndRiemannTrack::correctSttHit(), PndMvdSttGemRiemannTrackFinderTask::Exec(), PndRiemannTrack::Pl(), and PndRiemannTrack::szDist().

                      {
  return fZ;
}

Member Data Documentation

double PndRiemannHit::fAlpha

private

angle along track

Definition at line 109 of file PndRiemannHit.h.

Referenced by alpha(), calcPosOnTrk(), and operator=().

TMatrixD PndRiemannHit::fCovX

private

Covariance Matrix of the hit.

Definition at line 103 of file PndRiemannHit.h.

Referenced by covX(), operator=(), setDXYZ(), sigmaX(), sigmaXY(), and sigmaY().

double PndRiemannHit::fDeltaZ

private

error in z

Definition at line 108 of file PndRiemannHit.h.

Referenced by operator=(), and setDXYZ().

FairHit* PndRiemannHit::fHit

private

Definition at line 104 of file PndRiemannHit.h.

Referenced by calcPosOnTrk(), hit(), and operator=().

int PndRiemannHit::fHitID

private

Definition at line 105 of file PndRiemannHit.h.

Referenced by hitID(), and operator=().

double PndRiemannHit::fS

private

pathlength along track

Definition at line 106 of file PndRiemannHit.h.

Referenced by calcPosOnTrk(), operator=(), and s().

TVector3 PndRiemannHit::fSigmaX

private

Sigma Error of fX (should be replaced by covariance matrix)

Definition at line 102 of file PndRiemannHit.h.

Referenced by operator=().

int PndRiemannHit::fVerbose

private

Definition at line 110 of file PndRiemannHit.h.

Referenced by calcPosOnTrk(), and operator=().

TVector3 PndRiemannHit::fX

private

Definition at line 101 of file PndRiemannHit.h.

Referenced by calcPosOnTrk(), operator=(), setDXYZ(), setXYZ(), and x().

double PndRiemannHit::fZ

private

z-coordinate of hit

Definition at line 107 of file PndRiemannHit.h.

Referenced by operator=(), setXYZ(), and z().

---

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

• PndRiemannHit.h
• PndRiemannHit.cxx