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[u/mrichter/AliRoot.git] / STEER / AliESDtrack.h
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ae982df3 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
ac3faee4 6/* $Id$ */
7
ae982df3 8//-------------------------------------------------------------------------
9// Class AliESDtrack
10// This is the class to deal with during the physical analysis of data
11//
12// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch
13//-------------------------------------------------------------------------
ac3faee4 14
a866ac60 15#include <TBits.h>
ac3faee4 16#include <TObject.h>
ae982df3 17
18class AliKalmanTrack;
19
20class AliESDtrack : public TObject {
21public:
22 AliESDtrack();
23 virtual ~AliESDtrack() {}
24 void SetStatus(ULong_t flags) {fFlags|=flags;}
25 void ResetStatus(ULong_t flags) {fFlags&=~flags;}
ad2f1f2b 26 Bool_t UpdateTrackParams(AliKalmanTrack *t, ULong_t flags);
ae982df3 27 void SetIntegratedLength(Double_t l) {fTrackLength=l;}
28 void SetIntegratedTimes(const Double_t *times);
8c6a71ab 29 void SetESDpid(const Double_t *p);
30 void GetESDpid(Double_t *p) const;
ae982df3 31
32 ULong_t GetStatus() const {return fFlags;}
33 Int_t GetLabel() const {return fLabel;}
34 Double_t GetAlpha() const {return fRalpha;}
35 void GetExternalParameters(Double_t &x, Double_t p[5]) const;
36 void GetExternalCovariance(Double_t cov[15]) const;
37 Double_t GetIntegratedLength() const {return fTrackLength;}
38 void GetIntegratedTimes(Double_t *times) const;
4a78b8c5 39 Double_t GetMass() const;
ae982df3 40 Double_t GetP() const;
41 void GetPxPyPz(Double_t *p) const;
42 void GetXYZ(Double_t *r) const;
9f64824b 43 Int_t GetSign() const {return (fRp[4]>0) ? 1 : -1;}
ae982df3 44
67c3dcbe 45 void SetConstrainedTrackParams(AliKalmanTrack *t, Double_t chi2);
46
47 Double_t GetConstrainedAlpha() const {return fCalpha;}
48 Double_t GetConstrainedChi2() const {return fCchi2;}
49 void GetConstrainedExternalParameters(Double_t &x, Double_t p[5]) const;
50 void GetConstrainedExternalCovariance(Double_t cov[15]) const;
51
52 void GetConstrainedPxPyPz(Double_t *p) const;
53 void GetConstrainedXYZ(Double_t *r) const;
54
9b859005 55 void GetInnerPxPyPz(Double_t *p) const;
56 void GetInnerXYZ(Double_t *r) const;
a866ac60 57 void GetInnerExternalParameters(Double_t &x, Double_t p[5]) const;//skowron
58 void GetInnerExternalCovariance(Double_t cov[15]) const;//skowron
59 Double_t GetInnerAlpha() const {return fIalpha;}
60
61
672b5f43 62 void GetOuterPxPyPz(Double_t *p) const;
63 void GetOuterXYZ(Double_t *r) const;
64
c630aafd 65 void SetITSpid(const Double_t *p);
babd135a 66 void SetITSChi2MIP(const Float_t *chi2mip);
c630aafd 67 void GetITSpid(Double_t *p) const;
ae982df3 68 Float_t GetITSsignal() const {return fITSsignal;}
13da10da 69 Float_t GetITSchi2() const {return fITSchi2;}
ae982df3 70 Int_t GetITSclusters(UInt_t *idx) const;
6e5b1b04 71 Int_t GetITSLabel() const {return fITSLabel;}
babd135a 72 Float_t GetITSFakeRatio() const {return fITSFakeRatio;}
73
ae982df3 74
13da10da 75 void SetTPCpid(const Double_t *p);
76 void GetTPCpid(Double_t *p) const;
77 Float_t GetTPCsignal() const {return fTPCsignal;}
78 Float_t GetTPCchi2() const {return fTPCchi2;}
79 Int_t GetTPCclusters(Int_t *idx) const;
6e5b1b04 80 Int_t GetTPCLabel() const {return fTPCLabel;}
3a83c716 81 const TBits& GetTPCClusterMap() const {return fTPCClusterMap;}
a866ac60 82
c630aafd 83 void SetTRDpid(const Double_t *p);
84 void GetTRDpid(Double_t *p) const;
79e94bf8 85 Float_t GetTRDsignal() const {return fTRDsignal;}
13da10da 86 Float_t GetTRDchi2() const {return fTRDchi2;}
bb2ceb1f 87 Int_t GetTRDclusters(UInt_t *idx) const;
79e94bf8 88 void SetTRDpid(Int_t iSpecies, Float_t p);
89 Float_t GetTRDpid(Int_t iSpecies) const;
6e5b1b04 90 Int_t GetTRDLabel() const {return fTRDLabel;}
91
79e94bf8 92
c630aafd 93 void SetTOFsignal(Double_t tof) {fTOFsignal=tof;}
94 Float_t GetTOFsignal() const {return fTOFsignal;}
13da10da 95 Float_t GetTOFchi2() const {return fTOFchi2;}
c630aafd 96 void SetTOFpid(const Double_t *p);
97 void GetTOFpid(Double_t *p) const;
98 UInt_t GetTOFcluster() const {return fTOFindex;}
99 void SetTOFcluster(UInt_t index) {fTOFindex=index;}
4a78b8c5 100
101 void SetRICHsignal(Double_t beta) {fRICHsignal=beta;}
102 Float_t GetRICHsignal() const {return fRICHsignal;}
103 void SetRICHpid(const Double_t *p);
104 void GetRICHpid(Double_t *p) const;
105
106 void SetPHOSposition(const Double_t *pos) {
107 fPHOSpos[0] = pos[0]; fPHOSpos[1]=pos[1]; fPHOSpos[2]=pos[2];
108 }
109 void SetPHOSsignal(Double_t ene) {fPHOSsignal = ene; }
110 void SetPHOSpid(const Double_t *p);
111 void GetPHOSposition(Double_t *pos) const {
112 pos[0]=fPHOSpos[0]; pos[1]=fPHOSpos[1]; pos[2]=fPHOSpos[2];
113 }
114 Float_t GetPHOSsignal() const {return fPHOSsignal;}
115 void GetPHOSpid(Double_t *p) const;
116
3a83c716 117 Bool_t IsOn(Int_t mask) const {return (fFlags&mask)>0;}
118 Bool_t IsRICH() const {return fFlags&kRICHpid;}
119 Bool_t IsPHOS() const {return fFlags&kPHOSpid;}
ac2f7574 120
121 virtual void Print(Option_t * opt) const ;
122
ae982df3 123 enum {
8c6a71ab 124 kITSin=0x0001,kITSout=0x0002,kITSrefit=0x0004,kITSpid=0x0008,
125 kTPCin=0x0010,kTPCout=0x0020,kTPCrefit=0x0040,kTPCpid=0x0080,
126 kTRDin=0x0100,kTRDout=0x0200,kTRDrefit=0x0400,kTRDpid=0x0800,
127 kTOFin=0x1000,kTOFout=0x2000,kTOFrefit=0x4000,kTOFpid=0x8000,
4a78b8c5 128 kPHOSpid=0x10000, kRICHpid=0x20000,
129 kTRDStop=0x20000000,
8c6a71ab 130 kESDpid=0x40000000,
ae982df3 131 kTIME=0x80000000
132 };
f82d8b8c 133 enum {
134 kSPECIES=5, // Number of particle species recognized by the PID
ac2f7574 135 kSPECIESN=10, // Number of charged+neutral particle species recognized by the PHOS PID
f82d8b8c 136 kElectron=0, kMuon=1, kPion=2, kKaon=3, kProton=4, kPhoton=5,
ac2f7574 137 kPi0=6, kNeutron=7, kKaon0=8, kEleCon=9 // PHOS definition
f82d8b8c 138 };
ae982df3 139protected:
140 ULong_t fFlags; // Reconstruction status flags
141 Int_t fLabel; // Track label
142
143 Float_t fTrackLength; // Track length
144 Float_t fTrackTime[kSPECIES]; // TOFs estimated by the tracking
145 Float_t fR[kSPECIES]; // combined "detector response probability"
146
147 Int_t fStopVertex; // Index of stop vertex
148
149//Running track parameters
150 Double_t fRalpha; // track rotation angle
151 Double_t fRx; // X-coordinate of the track reference plane
152 Double_t fRp[5]; // external track parameters
153 Double_t fRc[15]; // external cov. matrix of the track parameters
154
67c3dcbe 155//Track parameters constrained to the primary vertex
3a83c716 156 Double_t fCalpha; // Track rotation angle
157 Double_t fCx; // x-coordinate of the track reference plane
158 Double_t fCp[5]; // external track parameters
159 Double_t fCc[15]; // external cov. matrix of the track parameters
67c3dcbe 160 Double_t fCchi2; //chi2 at the primary vertex
161
672b5f43 162//Track parameters at the inner wall of the TPC
3a83c716 163 Double_t fIalpha; // Track rotation angle
164 Double_t fIx; // x-coordinate of the track reference plane
165 Double_t fIp[5]; // external track parameters
166 Double_t fIc[15]; // external cov. matrix of the track parameters
ae982df3 167
672b5f43 168//Track parameters at the radius of the PHOS
3a83c716 169 Double_t fOalpha; // Track rotation angle
170 Double_t fOx; // x-coordinate of the track reference plane
171 Double_t fOp[5]; // external track parameters
172 Double_t fOc[15]; // external cov. matrix of the track parameters
ae982df3 173
174 // ITS related track information
175 Float_t fITSchi2; // chi2 in the ITS
babd135a 176 Float_t fITSchi2MIP[6]; // chi2s in the ITS
ae982df3 177 Int_t fITSncls; // number of clusters assigned in the ITS
178 UInt_t fITSindex[6]; //! indices of the assigned ITS clusters
179 Float_t fITSsignal; // detector's PID signal
431be10d 180 Float_t fITSr[kSPECIES]; // "detector response probabilities" (for the PID)
6e5b1b04 181 Int_t fITSLabel; // label according TPC
babd135a 182 Float_t fITSFakeRatio; // ration of fake tracks
ae982df3 183 // TPC related track information
184 Float_t fTPCchi2; // chi2 in the TPC
185 Int_t fTPCncls; // number of clusters assigned in the TPC
186 UInt_t fTPCindex[180]; //! indices of the assigned TPC clusters
a866ac60 187 TBits fTPCClusterMap; // Map of clusters, one bit per padrow; 1 if has a cluster on given padrow
ae982df3 188 Float_t fTPCsignal; // detector's PID signal
8c6a71ab 189 Float_t fTPCr[kSPECIES]; // "detector response probabilities" (for the PID)
6e5b1b04 190 Int_t fTPCLabel; // label according TPC
4a78b8c5 191
ae982df3 192 // TRD related track information
79e94bf8 193 Float_t fTRDchi2; // chi2 in the TRD
194 Int_t fTRDncls; // number of clusters assigned in the TRD
bb2ceb1f 195 UInt_t fTRDindex[90]; //! indices of the assigned TRD clusters
79e94bf8 196 Float_t fTRDsignal; // detector's PID signal
431be10d 197 Float_t fTRDr[kSPECIES]; // "detector response probabilities" (for the PID)
6e5b1b04 198 Int_t fTRDLabel; // label according TRD
79e94bf8 199
ae982df3 200 // TOF related track information
c630aafd 201 Float_t fTOFchi2; // chi2 in the TOF
bb2ceb1f 202 UInt_t fTOFindex; // index of the assigned TOF cluster
c630aafd 203 Float_t fTOFsignal; // detector's PID signal
204 Float_t fTOFr[kSPECIES]; // "detector response probabilities" (for the PID)
205
4a78b8c5 206 // PHOS related track information
207 Float_t fPHOSpos[3]; //position localised by PHOS in global coordinate system
208 Float_t fPHOSsignal; // energy measured by PHOS
ac2f7574 209 Float_t fPHOSr[kSPECIES]; // PID information from PHOS
ae982df3 210
4a78b8c5 211 // HMPID related track information
212 Float_t fRICHsignal; // detector's PID signal (beta for RICH)
213 Float_t fRICHr[kSPECIES];// "detector response probabilities" (for the PID)
214
babd135a 215 ClassDef(AliESDtrack,4) //ESDtrack
ae982df3 216};
217
218#endif
219