#define ALIESDMUONTRACK_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * See cxx source for full Copyright notice */
+* See cxx source for full Copyright notice */
/* $Id$ */
-// Class to describe the MUON tracks
-// in the Event Summary Data class
+/// \class AliESDMuonTrack
+/// \brief Class to describe the MUON tracks in the Event Summary Data class
// Author: G.Martinez
-#include "TObject.h"
+#include <TMath.h>
+#include <TMatrixD.h>
+#include <TDatabasePDG.h>
+#include "AliVParticle.h"
+
+class AliESDMuonCluster;
+class AliESDEvent;
+class TClonesArray;
class TLorentzVector;
-class AliESDMuonTrack : public TObject {
+class AliESDMuonTrack : public AliVParticle {
public:
AliESDMuonTrack(); //Constructor
- virtual ~AliESDMuonTrack(){} // Destructor
+ virtual ~AliESDMuonTrack(); // Destructor
AliESDMuonTrack(const AliESDMuonTrack& esdm);
AliESDMuonTrack& operator=(const AliESDMuonTrack& esdm);
+ virtual void Copy(TObject &obj) const;
-
- // Get and Set methods for data at vertex
+ virtual void Clear(Option_t* opt = "");
+
+ void Reset();
+
+ // Return kTRUE if the track contain tracker data
+ Bool_t ContainTrackerData() const {return (fMuonClusterMap>0) ? kTRUE : kFALSE;}
+ // Return kTRUE if the track contain trigger data
+ Bool_t ContainTriggerData() const {return (LoCircuit()>0) ? kTRUE : kFALSE;}
+
+ // Get and Set methods for data at vertex
Double_t GetInverseBendingMomentum(void) const {return fInverseBendingMomentum;}
void SetInverseBendingMomentum(Double_t InverseBendingMomentum)
{fInverseBendingMomentum = InverseBendingMomentum;}
Double_t GetNonBendingCoor(void) const {return fNonBendingCoor;}
void SetNonBendingCoor(Double_t NonBendingCoor) {fNonBendingCoor = NonBendingCoor;}
- // Get and Set methods for data at first station
+ // Get and Set methods for data at Distance of Closest Approach in the vertex plane
+ Double_t GetInverseBendingMomentumAtDCA(void) const {return fInverseBendingMomentumAtDCA;}
+ void SetInverseBendingMomentumAtDCA(Double_t InverseBendingMomentum)
+ {fInverseBendingMomentumAtDCA = InverseBendingMomentum;}
+ Double_t GetThetaXAtDCA(void) const {return fThetaXAtDCA;}
+ void SetThetaXAtDCA(Double_t ThetaX) {fThetaXAtDCA = ThetaX;}
+ Double_t GetThetaYAtDCA(void) const {return fThetaYAtDCA;}
+ void SetThetaYAtDCA(Double_t ThetaY) {fThetaYAtDCA = ThetaY;}
+ Double_t GetBendingCoorAtDCA(void) const {return fBendingCoorAtDCA;}
+ void SetBendingCoorAtDCA(Double_t BendingCoor) {fBendingCoorAtDCA = BendingCoor;}
+ Double_t GetNonBendingCoorAtDCA(void) const {return fNonBendingCoorAtDCA;}
+ void SetNonBendingCoorAtDCA(Double_t NonBendingCoor) {fNonBendingCoorAtDCA = NonBendingCoor;}
+ Double_t GetDCA(void) const {return TMath::Sqrt(fNonBendingCoorAtDCA*fNonBendingCoorAtDCA +
+ fBendingCoorAtDCA*fBendingCoorAtDCA);}
+
+ // Get and Set methods for data at first station
Double_t GetInverseBendingMomentumUncorrected(void) const {return fInverseBendingMomentumUncorrected;}
void SetInverseBendingMomentumUncorrected(Double_t InverseBendingMomentum)
{fInverseBendingMomentumUncorrected = InverseBendingMomentum;}
Double_t GetNonBendingCoorUncorrected(void) const {return fNonBendingCoorUncorrected;}
void SetNonBendingCoorUncorrected(Double_t NonBendingCoor) {fNonBendingCoorUncorrected = NonBendingCoor;}
- // Get and Set methods for global tracking info
+ // Get and Set methods for covariance matrix of data at first station
+ void GetCovariances(TMatrixD& cov) const;
+ void SetCovariances(const TMatrixD& cov);
+ void GetCovarianceXYZPxPyPz(Double_t cov[21]) const;
+
+ // Get and Set methods for the transverse position r of the track at the end of the absorber
+ Double_t GetRAtAbsorberEnd() const { return fRAtAbsorberEnd; }
+ void SetRAtAbsorberEnd(Double_t r) { fRAtAbsorberEnd = r; }
+
+ // Get and Set methods for global tracking info
Double_t GetChi2(void) const {return fChi2;}
void SetChi2(Double_t Chi2) {fChi2 = Chi2;}
- UInt_t GetNHit(void) const {return fNHit;}
+ UChar_t GetNHit(void) const {return fNHit;}
void SetNHit(UInt_t NHit) {fNHit = NHit;}
-
- // Get and Set methods for trigger matching
- Int_t GetMatchTrigger() const {return fMatchTrigger;}
- void SetMatchTrigger(Int_t MatchTrigger) {fMatchTrigger = MatchTrigger;}
+ Int_t GetNDF() const;
+ Double_t GetNormalizedChi2() const;
+
+ // Get and Set methods for trigger matching
+ Int_t GetMatchTrigger() const;
+ Bool_t MatchTriggerDigits() const;
Double_t GetChi2MatchTrigger() const {return fChi2MatchTrigger;}
void SetChi2MatchTrigger(Double_t Chi2MatchTrigger) {fChi2MatchTrigger = Chi2MatchTrigger;}
UShort_t GetHitsPatternInTrigCh() const {return fHitsPatternInTrigCh;}
void SetHitsPatternInTrigCh(UShort_t hitsPatternInTrigCh) {fHitsPatternInTrigCh = hitsPatternInTrigCh;}
+ void SetLocalTrigger(Int_t locTrig) { fLocalTrigger = locTrig; }
+ Int_t LoCircuit(void) const { return fLocalTrigger & 0xFF; }
+ Int_t LoStripX(void) const { return fLocalTrigger >> 8 & 0x1F; }
+ Int_t LoStripY(void) const { return fLocalTrigger >> 13 & 0x0F; }
+ Int_t LoDev(void) const { return fLocalTrigger >> 17 & 0x1F; }
+ Int_t LoLpt(void) const { return fLocalTrigger >> 22 & 0x03; }
+ Int_t LoHpt(void) const { return fLocalTrigger >> 24 & 0x03; }
+ Int_t GetTriggerWithoutChamber(void) const { return fLocalTrigger >> 26 & 0xF; }
+ Bool_t TriggerFiredWithoutChamber(Int_t ich) const { return GetTriggerWithoutChamber() >> (3 - ich) & 0x1; }
+
+ // Get and Set methods for the hit strips pattern in the trigger chambers
+ UShort_t GetTriggerX1Pattern() const { return fX1Pattern; }
+ UShort_t GetTriggerY1Pattern() const { return fY1Pattern; }
+ UShort_t GetTriggerX2Pattern() const { return fX2Pattern; }
+ UShort_t GetTriggerY2Pattern() const { return fY2Pattern; }
+ UShort_t GetTriggerX3Pattern() const { return fX3Pattern; }
+ UShort_t GetTriggerY3Pattern() const { return fY3Pattern; }
+ UShort_t GetTriggerX4Pattern() const { return fX4Pattern; }
+ UShort_t GetTriggerY4Pattern() const { return fY4Pattern; }
+ void SetTriggerX1Pattern(UShort_t pat) { fX1Pattern = pat; }
+ void SetTriggerY1Pattern(UShort_t pat) { fY1Pattern = pat; }
+ void SetTriggerX2Pattern(UShort_t pat) { fX2Pattern = pat; }
+ void SetTriggerY2Pattern(UShort_t pat) { fY2Pattern = pat; }
+ void SetTriggerX3Pattern(UShort_t pat) { fX3Pattern = pat; }
+ void SetTriggerY3Pattern(UShort_t pat) { fY3Pattern = pat; }
+ void SetTriggerX4Pattern(UShort_t pat) { fX4Pattern = pat; }
+ void SetTriggerY4Pattern(UShort_t pat) { fY4Pattern = pat; }
+
+ // Get and Set methods for muon cluster map
+ UInt_t GetMuonClusterMap() const {return fMuonClusterMap;}
+ void SetMuonClusterMap(UInt_t muonClusterMap) {fMuonClusterMap = muonClusterMap;}
+ void AddInMuonClusterMap(Int_t chamber) {fMuonClusterMap |= BIT(chamber);}
+ Bool_t IsInMuonClusterMap(Int_t chamber) const {return (Bool_t) ((fMuonClusterMap & BIT(chamber)) != 0);}
- // Methods to compute track momentum
+ // Identify the tracks sharing cluster(s) with another (use the last bit of fMuonClusterMap)
+ void Connected(Bool_t flag = kTRUE) {flag ? SETBIT(fMuonClusterMap,31) : CLRBIT(fMuonClusterMap,31);}
+ Bool_t IsConnected() const {return TESTBIT(fMuonClusterMap,31);}
+
+ // Methods to get, fill and check the array of associated clusters
+ Int_t GetNClusters() const;
+ TClonesArray& GetClusters() const;
+ void AddCluster(const AliESDMuonCluster &cluster);
+ Bool_t ClustersStored() const;
+
+ // Methods to compute track momentum
Double_t Px() const;
Double_t Py() const;
Double_t Pz() const;
Double_t P() const;
+ Bool_t PxPyPz(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; }
void LorentzP(TLorentzVector& vP) const;
+ Double_t PxAtDCA() const;
+ Double_t PyAtDCA() const;
+ Double_t PzAtDCA() const;
+ Double_t PAtDCA() const;
+ Bool_t PxPyPzAtDCA(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; }
+ void LorentzPAtDCA(TLorentzVector& vP) const;
Double_t PxUncorrected() const;
Double_t PyUncorrected() const;
Double_t PzUncorrected() const;
Double_t PUncorrected() const;
+ Bool_t PxPyPzUncorrected(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; }
void LorentzPUncorrected(TLorentzVector& vP) const;
+ // additional methods to comply with AliVParticle
+ Double_t Xv() const {return -999.;} // put reasonable values here
+ Double_t Yv() const {return -999.;} //
+ Double_t Zv() const {return -999.;} //
+ Bool_t XvYvZv(Double_t x[3]) const { x[0] = Xv(); x[1] = Yv(); x[2] = Zv(); return kTRUE; }
+ Double_t Pt() const { return TMath::Sqrt(Px()*Px() + Py()*Py()); }
+ Double_t OneOverPt() const { return (Pt() != 0.) ? 1./Pt() : FLT_MAX; }
+ Double_t Phi() const { return TMath::Pi()+TMath::ATan2(-Py(), -Px()); }
+ Double_t Theta() const { return TMath::ATan2(Pt(), Pz()); }
+ Double_t E() const { return TMath::Sqrt(M()*M() + P()*P()); }
+ Double_t M() const { return TDatabasePDG::Instance()->GetParticle("mu-")->Mass(); }
+ Double_t Eta() const { return -TMath::Log(TMath::Tan(0.5 * Theta()));}
+ Double_t Y() const { return (Pz()/E() != 1.) ? TMath::ATanH(Pz()/E()) : FLT_MAX; }
+ Short_t Charge() const { return (Short_t)TMath::Sign(1., GetInverseBendingMomentum()); }
+
+
+ // Dummy
+ const Double_t *PID() const { return (Double_t*)0x0; }
+ Int_t PdgCode() const {return 0;}
+
+ /// Set the corresponding MC track number
+ void SetLabel(Int_t label) {fLabel = label;}
+ /// Return the corresponding MC track number
+ Int_t GetLabel() const {return fLabel;}
+
+ /// Additional methods to decode hit pattern
+ /// The hit pattern is a UShort_t with:
+ /// <pre>
+ /// 0 | 1 0 0 0 1 | 1 1 | 1 1 0 1 | 1 1 0 1
+ /// | | | |
+ /// unused | RPC (0-17) | flag | Bend plane | Non-bend plane
+ /// | or | | Match chamber | Match chamber
+ /// | further info | | 11 12 13 14 | 11 12 13 14
+ /// | (20-24) | | |
+ /// </pre>
+ enum EAliTriggerChPatternFlag {
+ kNoEff, ///< Track is not good for chamber efficiency evaluation
+ kChEff, ///< Track crosses different RPCs
+ kSlatEff, ///< Track crosses the same RPC in all planes
+ kBoardEff ///< Track crosses the same board in all planes
+ };
+ enum EAliTriggerChPatternInfo {
+ kCrossDifferentSlats = 20, ///< The RPC cannot be univoquely determined
+ kTrackMatchesManyPads = 21, ///< Track not good for effciency calculation since it matches many pads
+ kTrackMatchesFewPads = 22, ///< Track not good for effciency calculation since it matches pads in less than 3/4 chambers
+ kTrackOutsideGeometry = 23, ///< Problems in pattern determination since track extrapolation is outside trigger chambers
+ kTrackerTrackPattern = 24 ///< The pattern was calculated from a tracker track not matching trigger track
+ };
+ /// Set hits pattern
+ static void SetFiredChamber(UShort_t& pattern, Int_t cathode, Int_t chamber);
+ /// Add efficiency flag and crossed RPC or info on rejected track
+ static void AddEffInfo(UShort_t& pattern, Int_t slatOrInfo, EAliTriggerChPatternFlag effType = kNoEff);
+ /// Chamber was hit
+ static Bool_t IsChamberHit(UShort_t pattern, Int_t cathode, Int_t chamber);
+ /// Get Efficiency flag
+ static Int_t GetEffFlag(UShort_t pattern);
+ /// Getting crossed slat or info
+ static Int_t GetSlatOrInfo(UShort_t pattern);
+
+ AliESDEvent* GetESDEvent() const {return fESDEvent;}
+ void SetESDEvent(AliESDEvent* evt) {fESDEvent = evt;}
protected:
- // parameters at vertex
- Double_t fInverseBendingMomentum; // Inverse bending momentum (GeV/c ** -1) times the charge
- Double_t fThetaX; // Angle of track at vertex in X direction (rad)
- Double_t fThetaY; // Angle of track at vertex in Y direction (rad)
- Double_t fZ; // Z coordinate (cm)
- Double_t fBendingCoor; // bending coordinate (cm)
- Double_t fNonBendingCoor; // non bending coordinate (cm)
-
- // parameters at first tracking station
- Double_t fInverseBendingMomentumUncorrected; // Inverse bending momentum (GeV/c ** -1) times the charge
- Double_t fThetaXUncorrected; // Angle of track at vertex in X direction (rad)
- Double_t fThetaYUncorrected; // Angle of track at vertex in Y direction (rad)
- Double_t fZUncorrected; // Z coordinate (cm)
- Double_t fBendingCoorUncorrected; // bending coordinate (cm)
- Double_t fNonBendingCoorUncorrected; // non bending coordinate (cm)
-
- // global tracking info
- Double_t fChi2; // chi2 in the MUON track fit
- UInt_t fNHit; // number of hit in the track
-
- // trigger matching
- Int_t fMatchTrigger; // -1 track does not match trigger
- // 0 track match but does not pass pt cut
- // 1 track match Low pt cut
- // 2 track match High pt cut
- Double_t fChi2MatchTrigger; // chi2 of trigger/track matching
-
- UShort_t fHitsPatternInTrigCh; ///< Word containing info on the hits left in trigger chambers
-
-
- ClassDef(AliESDMuonTrack,4) //MUON ESD track class
+ // parameters at vertex
+ Double32_t fInverseBendingMomentum; ///< Inverse bending momentum (GeV/c ** -1) times the charge
+ Double32_t fThetaX; ///< Angle of track at vertex in X direction (rad)
+ Double32_t fThetaY; ///< Angle of track at vertex in Y direction (rad)
+ Double32_t fZ; ///< Z coordinate (cm)
+ Double32_t fBendingCoor; ///< bending coordinate (cm)
+ Double32_t fNonBendingCoor; ///< non bending coordinate (cm)
+
+ // parameters at Distance of Closest Approach in the vertex plane
+ Double32_t fInverseBendingMomentumAtDCA; ///< Inverse bending momentum (GeV/c ** -1) times the charge
+ Double32_t fThetaXAtDCA; ///< Angle of track at vertex in X direction (rad)
+ Double32_t fThetaYAtDCA; ///< Angle of track at vertex in Y direction (rad)
+ Double32_t fBendingCoorAtDCA; ///< bending coordinate (cm)
+ Double32_t fNonBendingCoorAtDCA; ///< non bending coordinate (cm)
+
+ // parameters at first tracking station
+ Double32_t fInverseBendingMomentumUncorrected; ///< Inverse bending momentum (GeV/c ** -1) times the charge
+ Double32_t fThetaXUncorrected; ///< Angle of track at vertex in X direction (rad)
+ Double32_t fThetaYUncorrected; ///< Angle of track at vertex in Y direction (rad)
+ Double32_t fZUncorrected; ///< Z coordinate (cm)
+ Double32_t fBendingCoorUncorrected; ///< bending coordinate (cm)
+ Double32_t fNonBendingCoorUncorrected; ///< non bending coordinate (cm)
+
+ /// reduced covariance matrix of UNCORRECTED track parameters, ordered as follow: <pre>
+ /// [0] = <X,X>
+ /// [1] =<X,ThetaX> [2] =<ThetaX,ThetaX>
+ /// [3] = <X,Y> [4] = <Y,ThetaX> [5] = <Y,Y>
+ /// [6] =<X,ThetaY> [7] =<ThetaX,ThetaY> [8] =<Y,ThetaY> [9] =<ThetaY,ThetaY>
+ /// [10]=<X,InvP_yz> [11]=<ThetaX,InvP_yz> [12]=<Y,InvP_yz> [13]=<ThetaY,InvP_yz> [14]=<InvP_yz,InvP_yz> </pre>
+ Double32_t fCovariances[15]; ///< \brief reduced covariance matrix of parameters AT FIRST CHAMBER
+
+ Double32_t fRAtAbsorberEnd; ///< transverse position r of the track at the end of the absorber
+
+ // global tracking info
+ Double32_t fChi2; ///< chi2 in the MUON track fit
+ Double32_t fChi2MatchTrigger; ///< chi2 of trigger/track matching
+ Int_t fLocalTrigger; ///< packed local trigger information
+
+ // hit strips pattern in the trigger chambers
+ UShort_t fX1Pattern; ///< x-strips pattern in st6/ch1
+ UShort_t fY1Pattern; ///< y-strips pattern in st6/ch1
+ UShort_t fX2Pattern; ///< x-strips pattern in st6/ch2
+ UShort_t fY2Pattern; ///< y-strips pattern in st6/ch2
+ UShort_t fX3Pattern; ///< x-strips pattern in st7/ch1
+ UShort_t fY3Pattern; ///< y-strips pattern in st7/ch1
+ UShort_t fX4Pattern; ///< x-strips pattern in st7/ch2
+ UShort_t fY4Pattern; ///< y-strips pattern in st7/ch2
+
+ UInt_t fMuonClusterMap; ///< Map of clusters in tracking chambers
+ UShort_t fHitsPatternInTrigCh; ///< Word containing info on the hits left in trigger chambers
+ UChar_t fNHit; ///< number of hit in the track
+
+ mutable TClonesArray* fClusters; ///< Array of clusters attached to the track
+
+ Int_t fLabel; ///< point to the corresponding MC track
+
+ AliESDEvent* fESDEvent; //!Pointer back to event to which the track belongs
+
+ ClassDef(AliESDMuonTrack,13) // MUON ESD track class
};
#endif
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