3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
6 //-------------------------------------------------------------------------
8 // This is the class to deal with during the physical analysis of data
10 // Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch
11 //-------------------------------------------------------------------------
17 class AliESDtrack : public TObject {
20 virtual ~AliESDtrack() {}
21 void SetStatus(ULong_t flags) {fFlags|=flags;}
22 void ResetStatus(ULong_t flags) {fFlags&=~flags;}
23 Bool_t UpdateTrackParams(AliKalmanTrack *t, ULong_t flags);
24 void SetIntegratedLength(Double_t l) {fTrackLength=l;}
25 void SetIntegratedTimes(const Double_t *times);
26 void SetESDpid(const Double_t *p);
27 void GetESDpid(Double_t *p) const;
29 ULong_t GetStatus() const {return fFlags;}
30 Int_t GetLabel() const {return fLabel;}
31 Double_t GetAlpha() const {return fRalpha;}
32 void GetExternalParameters(Double_t &x, Double_t p[5]) const;
33 void GetExternalCovariance(Double_t cov[15]) const;
34 Double_t GetIntegratedLength() const {return fTrackLength;}
35 void GetIntegratedTimes(Double_t *times) const;
36 Double_t GetMass() const;
37 Double_t GetP() const;
38 void GetPxPyPz(Double_t *p) const;
39 void GetXYZ(Double_t *r) const;
40 Int_t GetSign() const {return (fRp[4]<0) ? 1 : -1;}
42 void SetConstrainedTrackParams(AliKalmanTrack *t, Double_t chi2);
44 Double_t GetConstrainedAlpha() const {return fCalpha;}
45 Double_t GetConstrainedChi2() const {return fCchi2;}
46 void GetConstrainedExternalParameters(Double_t &x, Double_t p[5]) const;
47 void GetConstrainedExternalCovariance(Double_t cov[15]) const;
49 void GetConstrainedPxPyPz(Double_t *p) const;
50 void GetConstrainedXYZ(Double_t *r) const;
52 void GetInnerPxPyPz(Double_t *p) const;
53 void GetInnerXYZ(Double_t *r) const;
54 void GetInnerExternalParameters(Double_t &x, Double_t p[5]) const;//skowron
55 void GetInnerExternalCovariance(Double_t cov[15]) const;//skowron
56 Double_t GetInnerAlpha() const {return fIalpha;}
59 void GetOuterPxPyPz(Double_t *p) const;
60 void GetOuterXYZ(Double_t *r) const;
62 void SetITSpid(const Double_t *p);
63 void GetITSpid(Double_t *p) const;
64 Float_t GetITSsignal() const {return fITSsignal;}
65 Float_t GetITSchi2() const {return fITSchi2;}
66 Int_t GetITSclusters(UInt_t *idx) const;
67 Int_t GetITSLabel() const {return fITSLabel;}
69 void SetTPCpid(const Double_t *p);
70 void GetTPCpid(Double_t *p) const;
71 Float_t GetTPCsignal() const {return fTPCsignal;}
72 Float_t GetTPCchi2() const {return fTPCchi2;}
73 Int_t GetTPCclusters(Int_t *idx) const;
74 Int_t GetTPCLabel() const {return fTPCLabel;}
75 const TBits& GetTPCClusterMap(){return fTPCClusterMap;}
77 void SetTRDpid(const Double_t *p);
78 void GetTRDpid(Double_t *p) const;
79 Float_t GetTRDsignal() const {return fTRDsignal;}
80 Float_t GetTRDchi2() const {return fTRDchi2;}
81 Int_t GetTRDclusters(UInt_t *idx) const;
82 void SetTRDpid(Int_t iSpecies, Float_t p);
83 Float_t GetTRDpid(Int_t iSpecies) const;
84 Int_t GetTRDLabel() const {return fTRDLabel;}
87 void SetTOFsignal(Double_t tof) {fTOFsignal=tof;}
88 Float_t GetTOFsignal() const {return fTOFsignal;}
89 Float_t GetTOFchi2() const {return fTOFchi2;}
90 void SetTOFpid(const Double_t *p);
91 void GetTOFpid(Double_t *p) const;
92 UInt_t GetTOFcluster() const {return fTOFindex;}
93 void SetTOFcluster(UInt_t index) {fTOFindex=index;}
95 void SetRICHsignal(Double_t beta) {fRICHsignal=beta;}
96 Float_t GetRICHsignal() const {return fRICHsignal;}
97 void SetRICHpid(const Double_t *p);
98 void GetRICHpid(Double_t *p) const;
100 void SetPHOSposition(const Double_t *pos) {
101 fPHOSpos[0] = pos[0]; fPHOSpos[1]=pos[1]; fPHOSpos[2]=pos[2];
103 void SetPHOSsignal(Double_t ene) {fPHOSsignal = ene; }
104 void SetPHOSpid(const Double_t *p);
105 void GetPHOSposition(Double_t *pos) const {
106 pos[0]=fPHOSpos[0]; pos[1]=fPHOSpos[1]; pos[2]=fPHOSpos[2];
108 Float_t GetPHOSsignal() const {return fPHOSsignal;}
109 void GetPHOSpid(Double_t *p) const;
111 Bool_t IsOn(Int_t mask){ return (fFlags&mask)>0;}
112 Bool_t IsRICH(){ return fFlags&kRICHpid;}
114 kITSin=0x0001,kITSout=0x0002,kITSrefit=0x0004,kITSpid=0x0008,
115 kTPCin=0x0010,kTPCout=0x0020,kTPCrefit=0x0040,kTPCpid=0x0080,
116 kTRDin=0x0100,kTRDout=0x0200,kTRDrefit=0x0400,kTRDpid=0x0800,
117 kTOFin=0x1000,kTOFout=0x2000,kTOFrefit=0x4000,kTOFpid=0x8000,
118 kPHOSpid=0x10000, kRICHpid=0x20000,
123 enum {kSPECIES=5}; // Number of particle species recognized by the PID
126 ULong_t fFlags; // Reconstruction status flags
127 Int_t fLabel; // Track label
129 Float_t fTrackLength; // Track length
130 Float_t fTrackTime[kSPECIES]; // TOFs estimated by the tracking
131 Float_t fR[kSPECIES]; // combined "detector response probability"
133 Int_t fStopVertex; // Index of stop vertex
135 //Running track parameters
136 Double_t fRalpha; // track rotation angle
137 Double_t fRx; // X-coordinate of the track reference plane
138 Double_t fRp[5]; // external track parameters
139 Double_t fRc[15]; // external cov. matrix of the track parameters
141 //Track parameters constrained to the primary vertex
142 Double_t fCalpha,fCx,fCp[5],fCc[15];
143 Double_t fCchi2; //chi2 at the primary vertex
145 //Track parameters at the inner wall of the TPC
146 Double_t fIalpha,fIx,fIp[5],fIc[15];
148 //Track parameters at the radius of the PHOS
149 Double_t fOalpha,fOx,fOp[5],fOc[15];
151 // ITS related track information
152 Float_t fITSchi2; // chi2 in the ITS
153 Int_t fITSncls; // number of clusters assigned in the ITS
154 UInt_t fITSindex[6]; //! indices of the assigned ITS clusters
155 Float_t fITSsignal; // detector's PID signal
156 Float_t fITSr[kSPECIES]; // "detector response probabilities" (for the PID)
157 Int_t fITSLabel; // label according TPC
159 // TPC related track information
160 Float_t fTPCchi2; // chi2 in the TPC
161 Int_t fTPCncls; // number of clusters assigned in the TPC
162 UInt_t fTPCindex[180]; //! indices of the assigned TPC clusters
163 TBits fTPCClusterMap; // Map of clusters, one bit per padrow; 1 if has a cluster on given padrow
164 Float_t fTPCsignal; // detector's PID signal
165 Float_t fTPCr[kSPECIES]; // "detector response probabilities" (for the PID)
166 Int_t fTPCLabel; // label according TPC
168 // TRD related track information
169 Float_t fTRDchi2; // chi2 in the TRD
170 Int_t fTRDncls; // number of clusters assigned in the TRD
171 UInt_t fTRDindex[90]; //! indices of the assigned TRD clusters
172 Float_t fTRDsignal; // detector's PID signal
173 Float_t fTRDr[kSPECIES]; // "detector response probabilities" (for the PID)
174 Int_t fTRDLabel; // label according TRD
176 // TOF related track information
177 Float_t fTOFchi2; // chi2 in the TOF
178 UInt_t fTOFindex; // index of the assigned TOF cluster
179 Float_t fTOFsignal; // detector's PID signal
180 Float_t fTOFr[kSPECIES]; // "detector response probabilities" (for the PID)
182 // PHOS related track information
183 Float_t fPHOSpos[3]; //position localised by PHOS in global coordinate system
184 Float_t fPHOSsignal; // energy measured by PHOS
185 Float_t fPHOSr[kSPECIES]; // PID information from PHOS
187 // HMPID related track information
188 Float_t fRICHsignal; // detector's PID signal (beta for RICH)
189 Float_t fRICHr[kSPECIES];// "detector response probabilities" (for the PID)
191 ClassDef(AliESDtrack,3) //ESDtrack