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[u/mrichter/AliRoot.git] / STEER / AliESDtrack.h
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1#ifndef ALIESDTRACK_H
2#define ALIESDTRACK_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6//-------------------------------------------------------------------------
7// Class AliESDtrack
8// This is the class to deal with during the physical analysis of data
9//
10// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch
11//-------------------------------------------------------------------------
12#include "TObject.h"
13
14class AliKalmanTrack;
15
16class AliESDtrack : public TObject {
17public:
18 AliESDtrack();
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;
27
28 ULong_t GetStatus() const {return fFlags;}
29 Int_t GetLabel() const {return fLabel;}
30 Double_t GetAlpha() const {return fRalpha;}
31 void GetExternalParametersAt(Double_t x, Double_t p[5]) const;
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 Float_t GetMass() const;
37 Double_t GetP() const;
38 void GetPxPyPz(Double_t *p) const;
39 void GetXYZ(Double_t *r) const;
40
41 void SetTPCpid(const Double_t *p);
42 void GetTPCpid(Double_t *p) const;
43 Float_t GetTPCsignal() const {return fTPCsignal;}
44 Int_t GetTPCclusters(UInt_t *idx) const;
45
46 void SetITSpid(const Double_t *p);
47 void GetITSpid(Double_t *p) const;
48 Float_t GetITSsignal() const {return fITSsignal;}
49 Int_t GetITSclusters(UInt_t *idx) const;
50
51 void SetTRDpid(const Double_t *p);
52 void GetTRDpid(Double_t *p) const;
53 Float_t GetTRDsignal() const {return fTRDsignal;}
54 void SetTRDpid(Int_t iSpecies, Float_t p);
55 Float_t GetTRDpid(Int_t iSpecies) const;
56
57 void SetTOFsignal(Double_t tof) {fTOFsignal=tof;}
58 Float_t GetTOFsignal() const {return fTOFsignal;}
59 void SetTOFpid(const Double_t *p);
60 void GetTOFpid(Double_t *p) const;
61 UInt_t GetTOFcluster() const {return fTOFindex;}
62 void SetTOFcluster(UInt_t index) {fTOFindex=index;}
63
64 enum {
65 kITSin=0x0001,kITSout=0x0002,kITSrefit=0x0004,kITSpid=0x0008,
66 kTPCin=0x0010,kTPCout=0x0020,kTPCrefit=0x0040,kTPCpid=0x0080,
67 kTRDin=0x0100,kTRDout=0x0200,kTRDrefit=0x0400,kTRDpid=0x0800,
68 kTOFin=0x1000,kTOFout=0x2000,kTOFrefit=0x4000,kTOFpid=0x8000,
69 kESDpid=0x40000000,
70 kTIME=0x80000000
71 };
72 enum {kSPECIES=5}; // Number of particle species recognized by the PID
73
74protected:
75 ULong_t fFlags; // Reconstruction status flags
76 Int_t fLabel; // Track label
77
78 Float_t fTrackLength; // Track length
79 Float_t fTrackTime[kSPECIES]; // TOFs estimated by the tracking
80 Float_t fR[kSPECIES]; // combined "detector response probability"
81
82 Int_t fStopVertex; // Index of stop vertex
83
84//Running track parameters
85 Double_t fRalpha; // track rotation angle
86 Double_t fRx; // X-coordinate of the track reference plane
87 Double_t fRp[5]; // external track parameters
88 Double_t fRc[15]; // external cov. matrix of the track parameters
89
90//Track parameters at the innermost measured point
91 //Double_t fIalpha,fIx,fIp[5],fIc[15];
92
93//Track parameters at the outermost measured point
94 //Double_t fOalpha,fOx,fOp[5],fOc[15];
95
96 // ITS related track information
97 Float_t fITSchi2; // chi2 in the ITS
98 Int_t fITSncls; // number of clusters assigned in the ITS
99 UInt_t fITSindex[6]; //! indices of the assigned ITS clusters
100 Float_t fITSsignal; // detector's PID signal
101 Float_t fITSr[kSPECIES]; //! "detector response probabilities" (for the PID)
102
103 // TPC related track information
104 Float_t fTPCchi2; // chi2 in the TPC
105 Int_t fTPCncls; // number of clusters assigned in the TPC
106 UInt_t fTPCindex[180]; //! indices of the assigned TPC clusters
107 Float_t fTPCsignal; // detector's PID signal
108 Float_t fTPCr[kSPECIES]; // "detector response probabilities" (for the PID)
109
110 // TRD related track information
111 Float_t fTRDchi2; // chi2 in the TRD
112 Int_t fTRDncls; // number of clusters assigned in the TRD
113 Float_t fTRDsignal; // detector's PID signal
114 Float_t fTRDr[kSPECIES]; //! "detector response probabilities" (for the PID)
115
116 // TOF related track information
117 Float_t fTOFchi2; // chi2 in the TOF
118 UInt_t fTOFindex; //! index of the assigned TOF cluster
119 Float_t fTOFsignal; // detector's PID signal
120 Float_t fTOFr[kSPECIES]; // "detector response probabilities" (for the PID)
121
122 // HMPID related track information
123
124 ClassDef(AliESDtrack,1) //ESDtrack
125};
126
127#endif
128