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 //-------------------------------------------------------------------------
16 class AliESDtrack : public TObject {
19 virtual ~AliESDtrack() {}
20 void SetStatus(ULong_t flags) {fFlags|=flags;}
21 void ResetStatus(ULong_t flags) {fFlags&=~flags;}
22 Bool_t UpdateTrackParams(const AliKalmanTrack *t, ULong_t flags);
23 void SetIntegratedLength(Double_t l) {fTrackLength=l;}
24 void SetIntegratedTimes(const Double_t *times);
25 void SetESDpid(const Double_t *p);
26 void GetESDpid(Double_t *p) const;
28 ULong_t GetStatus() const {return fFlags;}
29 Int_t GetLabel() const {return fLabel;}
30 Double_t GetAlpha() const {return fRalpha;}
31 void GetExternalParameters(Double_t &x, Double_t p[5]) const;
32 void GetExternalCovariance(Double_t cov[15]) const;
33 Double_t GetIntegratedLength() const {return fTrackLength;}
34 void GetIntegratedTimes(Double_t *times) const;
35 Float_t GetMass() const;
36 Double_t GetP() const;
37 void GetPxPyPz(Double_t *p) const;
38 void GetXYZ(Double_t *r) const;
40 void SetTPCpid(const Double_t *p);
41 void GetTPCpid(Double_t *p) const;
42 Float_t GetTPCsignal() const {return fTPCsignal;}
43 Int_t GetTPCclusters(UInt_t *idx) const;
45 void SetITSpid(const Double_t *p);
46 void GetITSpid(Double_t *p) const;
47 Float_t GetITSsignal() const {return fITSsignal;}
48 Int_t GetITSclusters(UInt_t *idx) const;
50 void SetTRDpid(const Double_t *p);
51 void GetTRDpid(Double_t *p) const;
52 Float_t GetTRDsignal() const {return fTRDsignal;}
53 void SetTRDpid(Int_t iSpecies, Float_t p);
54 Float_t GetTRDpid(Int_t iSpecies) const;
56 void SetTOFsignal(Double_t tof) {fTOFsignal=tof;}
57 Float_t GetTOFsignal() const {return fTOFsignal;}
58 void SetTOFpid(const Double_t *p);
59 void GetTOFpid(Double_t *p) const;
60 UInt_t GetTOFcluster() const {return fTOFindex;}
61 void SetTOFcluster(UInt_t index) {fTOFindex=index;}
64 kITSin=0x0001,kITSout=0x0002,kITSrefit=0x0004,kITSpid=0x0008,
65 kTPCin=0x0010,kTPCout=0x0020,kTPCrefit=0x0040,kTPCpid=0x0080,
66 kTRDin=0x0100,kTRDout=0x0200,kTRDrefit=0x0400,kTRDpid=0x0800,
67 kTOFin=0x1000,kTOFout=0x2000,kTOFrefit=0x4000,kTOFpid=0x8000,
71 enum {kSPECIES=5}; // Number of particle species recognized by the PID
74 ULong_t fFlags; // Reconstruction status flags
75 Int_t fLabel; // Track label
77 Float_t fTrackLength; // Track length
78 Float_t fTrackTime[kSPECIES]; // TOFs estimated by the tracking
79 Float_t fR[kSPECIES]; // combined "detector response probability"
81 Int_t fStopVertex; // Index of stop vertex
83 //Running track parameters
84 Double_t fRalpha; // track rotation angle
85 Double_t fRx; // X-coordinate of the track reference plane
86 Double_t fRp[5]; // external track parameters
87 Double_t fRc[15]; // external cov. matrix of the track parameters
89 //Track parameters at the innermost measured point
90 //Double_t fIalpha,fIx,fIp[5],fIc[15];
92 //Track parameters at the outermost measured point
93 //Double_t fOalpha,fOx,fOp[5],fOc[15];
95 // ITS related track information
96 Float_t fITSchi2; // chi2 in the ITS
97 Int_t fITSncls; // number of clusters assigned in the ITS
98 UInt_t fITSindex[6]; //! indices of the assigned ITS clusters
99 Float_t fITSsignal; // detector's PID signal
100 Float_t fITSr[kSPECIES]; //! "detector response probabilities" (for the PID)
102 // TPC related track information
103 Float_t fTPCchi2; // chi2 in the TPC
104 Int_t fTPCncls; // number of clusters assigned in the TPC
105 UInt_t fTPCindex[180]; //! indices of the assigned TPC clusters
106 Float_t fTPCsignal; // detector's PID signal
107 Float_t fTPCr[kSPECIES]; // "detector response probabilities" (for the PID)
109 // TRD related track information
110 Float_t fTRDchi2; // chi2 in the TRD
111 Int_t fTRDncls; // number of clusters assigned in the TRD
112 Float_t fTRDsignal; // detector's PID signal
113 Float_t fTRDr[kSPECIES]; //! "detector response probabilities" (for the PID)
115 // TOF related track information
116 Float_t fTOFchi2; // chi2 in the TOF
117 UInt_t fTOFindex; //! index of the assigned TOF cluster
118 Float_t fTOFsignal; // detector's PID signal
119 Float_t fTOFr[kSPECIES]; // "detector response probabilities" (for the PID)
121 // HMPID related track information
123 ClassDef(AliESDtrack,1) //ESDtrack