+++ /dev/null
-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * *
- * Author: The ALICE Off-line Project. *
- * Contributors are mentioned in the code where appropriate. *
- * *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
- **************************************************************************/
-
-/* $Id$ */
-
-///////////////////////////////////////////////////////////////////////////////
-//
-/// \class AliESDMuonTrack
-/// Class to describe the MUON tracks in the Event Summary Data class
-/// This is where the results of reconstruction are stored for the muons
-///
-/// \author G.Martinez
-//
-///////////////////////////////////////////////////////////////////////////////
-
-#include "AliESDMuonTrack.h"
-#include "AliESDMuonCluster.h"
-#include "AliESDEvent.h"
-
-#include <TClonesArray.h>
-#include <TLorentzVector.h>
-#include <TMath.h>
-
-ClassImp(AliESDMuonTrack)
-
-//_____________________________________________________________________________
-AliESDMuonTrack::AliESDMuonTrack ():
- AliVParticle(),
- fInverseBendingMomentum(FLT_MAX),
- fThetaX(0),
- fThetaY(0),
- fZ(0),
- fBendingCoor(0),
- fNonBendingCoor(0),
- fInverseBendingMomentumAtDCA(FLT_MAX),
- fThetaXAtDCA(0),
- fThetaYAtDCA(0),
- fBendingCoorAtDCA(0),
- fNonBendingCoorAtDCA(0),
- fInverseBendingMomentumUncorrected(FLT_MAX),
- fThetaXUncorrected(0),
- fThetaYUncorrected(0),
- fZUncorrected(0),
- fBendingCoorUncorrected(0),
- fNonBendingCoorUncorrected(0),
- fRAtAbsorberEnd(0),
- fChi2(0),
- fChi2MatchTrigger(0),
- fLocalTrigger(0),
- fX1Pattern(0),
- fY1Pattern(0),
- fX2Pattern(0),
- fY2Pattern(0),
- fX3Pattern(0),
- fY3Pattern(0),
- fX4Pattern(0),
- fY4Pattern(0),
- fMuonClusterMap(0),
- fHitsPatternInTrigCh(0),
- fNHit(0),
- fClusters(0x0),
- fLabel(-1),
- fESDEvent(0)
-
-{
- //
- /// Default constructor
- //
- for (Int_t i = 0; i < 15; i++) fCovariances[i] = 0;
-}
-
-
-//_____________________________________________________________________________
-AliESDMuonTrack::AliESDMuonTrack (const AliESDMuonTrack& muonTrack):
- AliVParticle(muonTrack),
- fInverseBendingMomentum(muonTrack.fInverseBendingMomentum),
- fThetaX(muonTrack.fThetaX),
- fThetaY(muonTrack.fThetaY),
- fZ(muonTrack.fZ),
- fBendingCoor(muonTrack.fBendingCoor),
- fNonBendingCoor(muonTrack.fNonBendingCoor),
- fInverseBendingMomentumAtDCA(muonTrack.fInverseBendingMomentumAtDCA),
- fThetaXAtDCA(muonTrack.fThetaXAtDCA),
- fThetaYAtDCA(muonTrack.fThetaYAtDCA),
- fBendingCoorAtDCA(muonTrack.fBendingCoorAtDCA),
- fNonBendingCoorAtDCA(muonTrack.fNonBendingCoorAtDCA),
- fInverseBendingMomentumUncorrected(muonTrack.fInverseBendingMomentumUncorrected),
- fThetaXUncorrected(muonTrack.fThetaXUncorrected),
- fThetaYUncorrected(muonTrack.fThetaYUncorrected),
- fZUncorrected(muonTrack.fZUncorrected),
- fBendingCoorUncorrected(muonTrack.fBendingCoorUncorrected),
- fNonBendingCoorUncorrected(muonTrack.fNonBendingCoorUncorrected),
- fRAtAbsorberEnd(muonTrack.fRAtAbsorberEnd),
- fChi2(muonTrack.fChi2),
- fChi2MatchTrigger(muonTrack.fChi2MatchTrigger),
- fLocalTrigger(muonTrack.fLocalTrigger),
- fX1Pattern(muonTrack.fX1Pattern),
- fY1Pattern(muonTrack.fY1Pattern),
- fX2Pattern(muonTrack.fX2Pattern),
- fY2Pattern(muonTrack.fY2Pattern),
- fX3Pattern(muonTrack.fX3Pattern),
- fY3Pattern(muonTrack.fY3Pattern),
- fX4Pattern(muonTrack.fX4Pattern),
- fY4Pattern(muonTrack.fY4Pattern),
- fMuonClusterMap(muonTrack.fMuonClusterMap),
- fHitsPatternInTrigCh(muonTrack.fHitsPatternInTrigCh),
- fNHit(muonTrack.fNHit),
- fClusters(0x0),
- fLabel(muonTrack.fLabel),
- fESDEvent(muonTrack.fESDEvent)
-{
- //
- /// Copy constructor
- /// Deep copy implemented
- //
- for (Int_t i = 0; i < 15; i++) fCovariances[i] = muonTrack.fCovariances[i];
-
- // necessary to make a copy of the objects and not only the pointers in TClonesArray
- if (muonTrack.fClusters) {
- fClusters = new TClonesArray("AliESDMuonCluster",muonTrack.fClusters->GetEntriesFast());
- AliESDMuonCluster *cluster = (AliESDMuonCluster*) muonTrack.fClusters->First();
- while (cluster) {
- new ((*fClusters)[fClusters->GetEntriesFast()]) AliESDMuonCluster(*cluster);
- cluster = (AliESDMuonCluster*) muonTrack.fClusters->After(cluster);
- }
- }
-}
-
-//_____________________________________________________________________________
-AliESDMuonTrack& AliESDMuonTrack::operator=(const AliESDMuonTrack& muonTrack)
-{
- //
- /// Equal operator for a deep copy
- //
- if (this == &muonTrack)
- return *this;
-
- AliVParticle::operator=(muonTrack); // don't forget to invoke the base class' assignment operator
-
- fInverseBendingMomentum = muonTrack.fInverseBendingMomentum;
- fThetaX = muonTrack.fThetaX;
- fThetaY = muonTrack.fThetaY;
- fZ = muonTrack.fZ;
- fBendingCoor = muonTrack.fBendingCoor;
- fNonBendingCoor = muonTrack.fNonBendingCoor;
-
- fInverseBendingMomentumAtDCA = muonTrack.fInverseBendingMomentumAtDCA;
- fThetaXAtDCA = muonTrack.fThetaXAtDCA;
- fThetaYAtDCA = muonTrack.fThetaYAtDCA;
- fBendingCoorAtDCA = muonTrack.fBendingCoorAtDCA;
- fNonBendingCoorAtDCA = muonTrack.fNonBendingCoorAtDCA;
-
- fInverseBendingMomentumUncorrected = muonTrack.fInverseBendingMomentumUncorrected;
- fThetaXUncorrected = muonTrack.fThetaXUncorrected;
- fThetaYUncorrected = muonTrack.fThetaYUncorrected;
- fZUncorrected = muonTrack.fZUncorrected;
- fBendingCoorUncorrected = muonTrack.fBendingCoorUncorrected;
- fNonBendingCoorUncorrected = muonTrack.fNonBendingCoorUncorrected;
-
- for (Int_t i = 0; i < 15; i++) fCovariances[i] = muonTrack.fCovariances[i];
-
- fRAtAbsorberEnd = muonTrack.fRAtAbsorberEnd;
-
- fChi2 = muonTrack.fChi2;
- fNHit = muonTrack.fNHit;
-
- fLocalTrigger = muonTrack.fLocalTrigger;
- fX1Pattern = muonTrack.fX1Pattern;
- fY1Pattern = muonTrack.fY1Pattern;
- fX2Pattern = muonTrack.fX2Pattern;
- fY2Pattern = muonTrack.fY2Pattern;
- fX3Pattern = muonTrack.fX3Pattern;
- fY3Pattern = muonTrack.fY3Pattern;
- fX4Pattern = muonTrack.fX4Pattern;
- fY4Pattern = muonTrack.fY4Pattern;
- fChi2MatchTrigger = muonTrack.fChi2MatchTrigger;
-
- fHitsPatternInTrigCh = muonTrack.fHitsPatternInTrigCh;
-
- fMuonClusterMap = muonTrack.fMuonClusterMap;
-
- fLabel = muonTrack.fLabel;
-
- fESDEvent = muonTrack.fESDEvent;
-
- // necessary to make a copy of the objects and not only the pointers in TClonesArray
- delete fClusters;
- if (muonTrack.fClusters) {
- fClusters = new TClonesArray("AliESDMuonCluster",muonTrack.fClusters->GetEntriesFast());
- AliESDMuonCluster *cluster = (AliESDMuonCluster*) muonTrack.fClusters->First();
- while (cluster) {
- new ((*fClusters)[fClusters->GetEntriesFast()]) AliESDMuonCluster(*cluster);
- cluster = (AliESDMuonCluster*) muonTrack.fClusters->After(cluster);
- }
- } else fClusters = 0x0;
-
- return *this;
-}
-
-void AliESDMuonTrack::Copy(TObject &obj) const {
-
- /// This overwrites the virtual TOBject::Copy()
- /// to allow run time copying without casting
- /// in AliESDEvent
-
- if(this==&obj)return;
- AliESDMuonTrack *robj = dynamic_cast<AliESDMuonTrack*>(&obj);
- if(!robj)return; // not an AliESDMuonTrack
- *robj = *this;
-
-}
-
-
-//__________________________________________________________________________
-AliESDMuonTrack::~AliESDMuonTrack()
-{
- /// Destructor
- delete fClusters;
-}
-
-//__________________________________________________________________________
-void AliESDMuonTrack::Clear(Option_t* opt)
-{
- /// Clear arrays
- if (fClusters) fClusters->Clear(opt);
-}
-
-//__________________________________________________________________________
-void AliESDMuonTrack::Reset()
-{
- /// Reset to default values
- SetUniqueID(0);
- fInverseBendingMomentum = FLT_MAX;
- fThetaX = 0.;
- fThetaY = 0.;
- fZ = 0.;
- fBendingCoor = 0.;
- fNonBendingCoor = 0.;
- fInverseBendingMomentumAtDCA = FLT_MAX;
- fThetaXAtDCA = 0.;
- fThetaYAtDCA = 0.;
- fBendingCoorAtDCA = 0.;
- fNonBendingCoorAtDCA = 0.;
- fInverseBendingMomentumUncorrected = FLT_MAX;
- fThetaXUncorrected = 0.;
- fThetaYUncorrected = 0.;
- fZUncorrected = 0.;
- fBendingCoorUncorrected = 0.;
- fNonBendingCoorUncorrected = 0.;
- fRAtAbsorberEnd = 0.;
- fChi2 = 0.;
- fChi2MatchTrigger = 0.;
- fLocalTrigger = 0;
- fX1Pattern = 0;
- fY1Pattern = 0;
- fX2Pattern = 0;
- fY2Pattern = 0;
- fX3Pattern = 0;
- fY3Pattern = 0;
- fX4Pattern = 0;
- fY4Pattern = 0;
- fMuonClusterMap = 0;
- fHitsPatternInTrigCh = 0;
- fNHit = 0;
- delete fClusters; fClusters = 0x0;
- for (Int_t i = 0; i < 15; i++) fCovariances[i] = 0.;
- fLabel = -1;
- fESDEvent = 0;
-}
-
-//_____________________________________________________________________________
-void AliESDMuonTrack::GetCovariances(TMatrixD& cov) const
-{
- /// return covariance matrix of uncorrected parameters
- cov.ResizeTo(5,5);
- for (Int_t i = 0; i < 5; i++)
- for (Int_t j = 0; j <= i; j++)
- cov(i,j) = cov (j,i) = fCovariances[i*(i+1)/2 + j];
-}
-
-//_____________________________________________________________________________
-void AliESDMuonTrack::SetCovariances(const TMatrixD& cov)
-{
- /// set reduced covariance matrix of uncorrected parameters
- for (Int_t i = 0; i < 5; i++)
- for (Int_t j = 0; j <= i; j++)
- fCovariances[i*(i+1)/2 + j] = cov(i,j);
-
-}
-
-//_____________________________________________________________________________
-void AliESDMuonTrack::GetCovarianceXYZPxPyPz(Double_t cov[21]) const
-{
- /// return reduced covariance matrix of uncorrected parameters in (X,Y,Z,Px,Py,Pz) coordinate system
- ///
- /// - Cov(x,x) ... : cov[0]
- /// - Cov(y,x) ... : cov[1] cov[2]
- /// - Cov(z,x) ... : cov[3] cov[4] cov[5]
- /// - Cov(px,x)... : cov[6] cov[7] cov[8] cov[9]
- /// - Cov(py,x)... : cov[10] cov[11] cov[12] cov[13] cov[14]
- /// - Cov(pz,x)... : cov[15] cov[16] cov[17] cov[18] cov[19] cov[20]
- ///
- /// Get ESD covariance matrix into a TMatrixD
- TMatrixD covESD(5,5);
- GetCovariances(covESD);
-
- // compute Jacobian to change the coordinate system
- // from (X,thetaX,Y,thetaY,c/pYZ) to (X,Y,Z,pX,pY,pZ)
- Double_t tanThetaX = TMath::Tan(fThetaXUncorrected);
- Double_t tanThetaY = TMath::Tan(fThetaYUncorrected);
- Double_t cosThetaX2 = TMath::Cos(fThetaXUncorrected) * TMath::Cos(fThetaXUncorrected);
- Double_t cosThetaY2 = TMath::Cos(fThetaYUncorrected) * TMath::Cos(fThetaYUncorrected);
- Double_t pZ = PzUncorrected();
- Double_t dpZdthetaY = - fInverseBendingMomentumUncorrected * fInverseBendingMomentumUncorrected *
- pZ * pZ * pZ * tanThetaY / cosThetaY2;
- Double_t dpZdinvpYZ = (fInverseBendingMomentumUncorrected != 0.) ? - pZ / fInverseBendingMomentumUncorrected : - FLT_MAX;
- TMatrixD jacob(6,5);
- jacob.Zero();
- jacob(0,0) = 1.;
- jacob(1,2) = 1.;
- jacob(3,1) = pZ / cosThetaX2;
- jacob(3,3) = dpZdthetaY * tanThetaX;
- jacob(3,4) = dpZdinvpYZ * tanThetaX;
- jacob(4,3) = dpZdthetaY * tanThetaY + pZ / cosThetaY2;
- jacob(4,4) = dpZdinvpYZ * tanThetaY;
- jacob(5,3) = dpZdthetaY;
- jacob(5,4) = dpZdinvpYZ;
-
- // compute covariance matrix in AOD coordinate system
- TMatrixD tmp(covESD,TMatrixD::kMultTranspose,jacob);
- TMatrixD covAOD(jacob,TMatrixD::kMult,tmp);
-
- // Get AOD covariance matrix into co[21]
- for (Int_t i = 0; i < 6; i++)
- for (Int_t j = 0; j <= i; j++)
- cov[i*(i+1)/2 + j] = covAOD(i,j);
-
-}
-
-//_____________________________________________________________________________
-Double_t AliESDMuonTrack::Px() const
-{
- /// return p_x from track parameters
- Double_t nonBendingSlope = TMath::Tan(fThetaX);
- Double_t bendingSlope = TMath::Tan(fThetaY);
- Double_t pYZ = (fInverseBendingMomentum != 0.) ? TMath::Abs(1. / fInverseBendingMomentum) : - FLT_MAX;
- Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0)
- return pZ * nonBendingSlope;
-}
-
-//_____________________________________________________________________________
-Double_t AliESDMuonTrack::Py() const
-{
- /// return p_y from track parameters
- Double_t bendingSlope = TMath::Tan(fThetaY);
- Double_t pYZ = (fInverseBendingMomentum != 0.) ? TMath::Abs(1. / fInverseBendingMomentum) : - FLT_MAX;
- Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0)
- return pZ * bendingSlope;
-}
-
-//_____________________________________________________________________________
-Double_t AliESDMuonTrack::Pz() const
-{
- /// return p_z from track parameters
- Double_t bendingSlope = TMath::Tan(fThetaY);
- Double_t pYZ = (fInverseBendingMomentum != 0.) ? TMath::Abs(1. / fInverseBendingMomentum) : - FLT_MAX;
- return -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0)
-}
-
-//_____________________________________________________________________________
-Double_t AliESDMuonTrack::P() const
-{
- /// return p from track parameters
- Double_t nonBendingSlope = TMath::Tan(fThetaX);
- Double_t bendingSlope = TMath::Tan(fThetaY);
- Double_t pYZ = (fInverseBendingMomentum != 0.) ? TMath::Abs(1. / fInverseBendingMomentum) : - FLT_MAX;
- Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0)
- return -pZ * TMath::Sqrt(1.0 + bendingSlope*bendingSlope + nonBendingSlope*nonBendingSlope);
-}
-
-//_____________________________________________________________________________
-void AliESDMuonTrack::LorentzP(TLorentzVector& vP) const
-{
- /// return Lorentz momentum vector from track parameters
- Double_t muonMass = M();
- Double_t nonBendingSlope = TMath::Tan(fThetaX);
- Double_t bendingSlope = TMath::Tan(fThetaY);
- Double_t pYZ = (fInverseBendingMomentum != 0.) ? TMath::Abs(1. / fInverseBendingMomentum) : - FLT_MAX;
- Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0)
- Double_t pX = pZ * nonBendingSlope;
- Double_t pY = pZ * bendingSlope;
- Double_t e = TMath::Sqrt(muonMass*muonMass + pX*pX + pY*pY + pZ*pZ);
- vP.SetPxPyPzE(pX, pY, pZ, e);
-}
-
-//_____________________________________________________________________________
-Double_t AliESDMuonTrack::PxAtDCA() const
-{
- /// return p_x from track parameters
- Double_t nonBendingSlope = TMath::Tan(fThetaXAtDCA);
- Double_t bendingSlope = TMath::Tan(fThetaYAtDCA);
- Double_t pYZ = (fInverseBendingMomentumAtDCA != 0.) ? TMath::Abs(1. / fInverseBendingMomentumAtDCA) : - FLT_MAX;
- Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0)
- return pZ * nonBendingSlope;
-}
-
-//_____________________________________________________________________________
-Double_t AliESDMuonTrack::PyAtDCA() const
-{
- /// return p_y from track parameters
- Double_t bendingSlope = TMath::Tan(fThetaYAtDCA);
- Double_t pYZ = (fInverseBendingMomentumAtDCA != 0.) ? TMath::Abs(1. / fInverseBendingMomentumAtDCA) : - FLT_MAX;
- Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0)
- return pZ * bendingSlope;
-}
-
-//_____________________________________________________________________________
-Double_t AliESDMuonTrack::PzAtDCA() const
-{
- /// return p_z from track parameters
- Double_t bendingSlope = TMath::Tan(fThetaYAtDCA);
- Double_t pYZ = (fInverseBendingMomentumAtDCA != 0.) ? TMath::Abs(1. / fInverseBendingMomentumAtDCA) : - FLT_MAX;
- return -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0)
-}
-
-//_____________________________________________________________________________
-Double_t AliESDMuonTrack::PAtDCA() const
-{
- /// return p from track parameters
- Double_t nonBendingSlope = TMath::Tan(fThetaXAtDCA);
- Double_t bendingSlope = TMath::Tan(fThetaYAtDCA);
- Double_t pYZ = (fInverseBendingMomentumAtDCA != 0.) ? TMath::Abs(1. / fInverseBendingMomentumAtDCA) : - FLT_MAX;
- Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0)
- return -pZ * TMath::Sqrt(1.0 + bendingSlope*bendingSlope + nonBendingSlope*nonBendingSlope);
-}
-
-//_____________________________________________________________________________
-void AliESDMuonTrack::LorentzPAtDCA(TLorentzVector& vP) const
-{
- /// return Lorentz momentum vector from track parameters
- Double_t muonMass = M();
- Double_t nonBendingSlope = TMath::Tan(fThetaXAtDCA);
- Double_t bendingSlope = TMath::Tan(fThetaYAtDCA);
- Double_t pYZ = (fInverseBendingMomentumAtDCA != 0.) ? TMath::Abs(1. / fInverseBendingMomentumAtDCA) : - FLT_MAX;
- Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0)
- Double_t pX = pZ * nonBendingSlope;
- Double_t pY = pZ * bendingSlope;
- Double_t e = TMath::Sqrt(muonMass*muonMass + pX*pX + pY*pY + pZ*pZ);
- vP.SetPxPyPzE(pX, pY, pZ, e);
-}
-
-//_____________________________________________________________________________
-Double_t AliESDMuonTrack::PxUncorrected() const
-{
- /// return p_x from track parameters
- Double_t nonBendingSlope = TMath::Tan(fThetaXUncorrected);
- Double_t bendingSlope = TMath::Tan(fThetaYUncorrected);
- Double_t pYZ = (fInverseBendingMomentumUncorrected != 0.) ? TMath::Abs(1. / fInverseBendingMomentumUncorrected) : - FLT_MAX;
- Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0)
- return pZ * nonBendingSlope;
-}
-
-//_____________________________________________________________________________
-Double_t AliESDMuonTrack::PyUncorrected() const
-{
- /// return p_y from track parameters
- Double_t bendingSlope = TMath::Tan(fThetaYUncorrected);
- Double_t pYZ = (fInverseBendingMomentumUncorrected != 0.) ? TMath::Abs(1. / fInverseBendingMomentumUncorrected) : - FLT_MAX;
- Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0)
- return pZ * bendingSlope;
-}
-
-//_____________________________________________________________________________
-Double_t AliESDMuonTrack::PzUncorrected() const
-{
- /// return p_z from track parameters
- Double_t bendingSlope = TMath::Tan(fThetaYUncorrected);
- Double_t pYZ = (fInverseBendingMomentumUncorrected != 0.) ? TMath::Abs(1. / fInverseBendingMomentumUncorrected) : - FLT_MAX;
- return -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0)
-}
-
-//_____________________________________________________________________________
-Double_t AliESDMuonTrack::PUncorrected() const
-{
- /// return p from track parameters
- Double_t nonBendingSlope = TMath::Tan(fThetaXUncorrected);
- Double_t bendingSlope = TMath::Tan(fThetaYUncorrected);
- Double_t pYZ = (fInverseBendingMomentumUncorrected != 0.) ? TMath::Abs(1. / fInverseBendingMomentumUncorrected) : - FLT_MAX;
- Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0)
- return -pZ * TMath::Sqrt(1.0 + bendingSlope*bendingSlope + nonBendingSlope*nonBendingSlope);
-}
-
-//_____________________________________________________________________________
-void AliESDMuonTrack::LorentzPUncorrected(TLorentzVector& vP) const
-{
- /// return Lorentz momentum vector from track parameters
- Double_t muonMass = M();
- Double_t nonBendingSlope = TMath::Tan(fThetaXUncorrected);
- Double_t bendingSlope = TMath::Tan(fThetaYUncorrected);
- Double_t pYZ = (fInverseBendingMomentumUncorrected != 0.) ? TMath::Abs(1. / fInverseBendingMomentumUncorrected) : - FLT_MAX;
- Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0)
- Double_t pX = pZ * nonBendingSlope;
- Double_t pY = pZ * bendingSlope;
- Double_t e = TMath::Sqrt(muonMass*muonMass + pX*pX + pY*pY + pZ*pZ);
- vP.SetPxPyPzE(pX, pY, pZ, e);
-}
-
-//_____________________________________________________________________________
-Int_t AliESDMuonTrack::GetNDF() const
-{
- /// return the number of degrees of freedom
-
- Int_t ndf = 2 * static_cast<Int_t>(fNHit) - 5;
- return (ndf > 0) ? ndf : 0;
-}
-
-//_____________________________________________________________________________
-Double_t AliESDMuonTrack::GetNormalizedChi2() const
-{
- /// return the chi2 value divided by the number of degrees of freedom
-
- Int_t ndf = GetNDF();
- return (ndf > 0) ? fChi2 / static_cast<Double_t>(ndf) : 0.;
-}
-
-//_____________________________________________________________________________
-Int_t AliESDMuonTrack::GetMatchTrigger() const
-{
- /// backward compatibility after replacing fMatchTrigger by fLocalTrigger
- /// - 0 track does not match trigger
- /// - 1 track match but does not pass pt cut
- /// - 2 track match Low pt cut
- /// - 3 track match High pt cut
-
- if (!LoCircuit()) {
- return 0;
- } else if (LoLpt() == 0 && LoHpt() == 0) {
- return 1;
- } else if (LoLpt() > 0 && LoHpt() == 0) {
- return 2;
- } else {
- return 3;
- }
-
-}
-
-//_____________________________________________________________________________
-Bool_t AliESDMuonTrack::MatchTriggerDigits() const
-{
- // return kTRUE if the track matches a digit on both planes of at least 2 trigger chambers
-
- Int_t nMatchedChambers = 0;
- for (Int_t ich=0; ich<4; ich++)
- if (IsChamberHit(fHitsPatternInTrigCh, 0, ich) &&
- IsChamberHit(fHitsPatternInTrigCh, 1, ich)) nMatchedChambers++;
-
- return (nMatchedChambers >= 2);
-}
-
-//_____________________________________________________________________________
-Int_t AliESDMuonTrack::GetNClusters() const
-{
- /// return the number of clusters associated to the track
- if (!fClusters) return 0;
-
- return fClusters->GetEntriesFast();
-}
-
-//_____________________________________________________________________________
-TClonesArray& AliESDMuonTrack::GetClusters() const
-{
- /// return the array of clusters associated to the track
- if (!fClusters) fClusters = new TClonesArray("AliESDMuonCluster",10);
-
- return *fClusters;
-}
-
-//_____________________________________________________________________________
-void AliESDMuonTrack::AddCluster(const AliESDMuonCluster &cluster)
-{
- /// add a cluster to the TClonesArray of clusters associated to the track
- if (!fClusters) fClusters = new TClonesArray("AliESDMuonCluster",10);
-
- new ((*fClusters)[fClusters->GetEntriesFast()]) AliESDMuonCluster(cluster);
-}
-
-//_____________________________________________________________________________
-Bool_t AliESDMuonTrack::ClustersStored() const
-{
- /// return kTRUE if the clusters associated to the track are registered
- if (GetNClusters() == 0) return kFALSE;
-
- return kTRUE;
-}
-
-//_____________________________________________________________________________
-void AliESDMuonTrack::SetFiredChamber(UShort_t& pattern, Int_t cathode, Int_t chamber)
-{
- /// Turn on the bit corresponding to fired chameber
- pattern |= (0x1 << ( 7 - ( 4*cathode + chamber )));
-}
-
-//_____________________________________________________________________________
-void AliESDMuonTrack::AddEffInfo(UShort_t& pattern, Int_t slatOrInfo, EAliTriggerChPatternFlag effType)
-{
- /// Add efficiency flag and crossed RPC or info on rejected track
- pattern |= effType << 8;
- pattern |= slatOrInfo << 10;
-}
-
-//_____________________________________________________________________________
-Bool_t AliESDMuonTrack::IsChamberHit(UShort_t pattern, Int_t cathode, Int_t chamber)
-{
- /// Check if chamber was was hit
- return (pattern >> (7 - ( 4*cathode + chamber ))) & 0x1;
-}
-
-//_____________________________________________________________________________
-Int_t AliESDMuonTrack::GetEffFlag(UShort_t pattern)
-{
- /// Get Efficiency flag
- return (pattern >> 8) & 0x03;
-}
-
-//_____________________________________________________________________________
-Int_t AliESDMuonTrack::GetSlatOrInfo(UShort_t pattern)
-{
- /// Getting crossed slat or info
- return (pattern >> 10) & 0x1F;
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff