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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>
704be597 17class TString ;
ae982df3 18class AliKalmanTrack;
19
20class AliESDtrack : public TObject {
21public:
22 AliESDtrack();
c4d11b15 23 AliESDtrack(const AliESDtrack& track);
24 virtual ~AliESDtrack();
ae982df3 25 void SetStatus(ULong_t flags) {fFlags|=flags;}
26 void ResetStatus(ULong_t flags) {fFlags&=~flags;}
ad2f1f2b 27 Bool_t UpdateTrackParams(AliKalmanTrack *t, ULong_t flags);
ae982df3 28 void SetIntegratedLength(Double_t l) {fTrackLength=l;}
29 void SetIntegratedTimes(const Double_t *times);
8c6a71ab 30 void SetESDpid(const Double_t *p);
31 void GetESDpid(Double_t *p) const;
ae982df3 32
33 ULong_t GetStatus() const {return fFlags;}
34 Int_t GetLabel() const {return fLabel;}
35 Double_t GetAlpha() const {return fRalpha;}
36 void GetExternalParameters(Double_t &x, Double_t p[5]) const;
37 void GetExternalCovariance(Double_t cov[15]) const;
38 Double_t GetIntegratedLength() const {return fTrackLength;}
39 void GetIntegratedTimes(Double_t *times) const;
4a78b8c5 40 Double_t GetMass() const;
ae982df3 41 Double_t GetP() const;
42 void GetPxPyPz(Double_t *p) const;
43 void GetXYZ(Double_t *r) const;
9f64824b 44 Int_t GetSign() const {return (fRp[4]>0) ? 1 : -1;}
ae982df3 45
67c3dcbe 46 void SetConstrainedTrackParams(AliKalmanTrack *t, Double_t chi2);
47
48 Double_t GetConstrainedAlpha() const {return fCalpha;}
49 Double_t GetConstrainedChi2() const {return fCchi2;}
50 void GetConstrainedExternalParameters(Double_t &x, Double_t p[5]) const;
51 void GetConstrainedExternalCovariance(Double_t cov[15]) const;
52
53 void GetConstrainedPxPyPz(Double_t *p) const;
54 void GetConstrainedXYZ(Double_t *r) const;
55
9b859005 56 void GetInnerPxPyPz(Double_t *p) const;
57 void GetInnerXYZ(Double_t *r) const;
a866ac60 58 void GetInnerExternalParameters(Double_t &x, Double_t p[5]) const;//skowron
59 void GetInnerExternalCovariance(Double_t cov[15]) const;//skowron
60 Double_t GetInnerAlpha() const {return fIalpha;}
61
62
704be597 63 void GetOuterPxPyPz(Double_t *p, TString det) const;
64 void GetOuterXYZ(Double_t *r, TString det) const;
672b5f43 65
c630aafd 66 void SetITSpid(const Double_t *p);
babd135a 67 void SetITSChi2MIP(const Float_t *chi2mip);
c4d11b15 68 void SetITStrack(AliKalmanTrack * track){fITStrack=track;}
c630aafd 69 void GetITSpid(Double_t *p) const;
ae982df3 70 Float_t GetITSsignal() const {return fITSsignal;}
13da10da 71 Float_t GetITSchi2() const {return fITSchi2;}
ae982df3 72 Int_t GetITSclusters(UInt_t *idx) const;
6e5b1b04 73 Int_t GetITSLabel() const {return fITSLabel;}
babd135a 74 Float_t GetITSFakeRatio() const {return fITSFakeRatio;}
c4d11b15 75 AliKalmanTrack * GetITStrack(){return fITStrack;}
ae982df3 76
13da10da 77 void SetTPCpid(const Double_t *p);
78 void GetTPCpid(Double_t *p) const;
79 Float_t GetTPCsignal() const {return fTPCsignal;}
80 Float_t GetTPCchi2() const {return fTPCchi2;}
81 Int_t GetTPCclusters(Int_t *idx) const;
6e5b1b04 82 Int_t GetTPCLabel() const {return fTPCLabel;}
3a83c716 83 const TBits& GetTPCClusterMap() const {return fTPCClusterMap;}
a866ac60 84
c630aafd 85 void SetTRDpid(const Double_t *p);
c4d11b15 86 void SetTRDtrack(AliKalmanTrack * track){fTRDtrack=track;}
c630aafd 87 void GetTRDpid(Double_t *p) const;
79e94bf8 88 Float_t GetTRDsignal() const {return fTRDsignal;}
13da10da 89 Float_t GetTRDchi2() const {return fTRDchi2;}
bb2ceb1f 90 Int_t GetTRDclusters(UInt_t *idx) const;
79e94bf8 91 void SetTRDpid(Int_t iSpecies, Float_t p);
92 Float_t GetTRDpid(Int_t iSpecies) const;
6e5b1b04 93 Int_t GetTRDLabel() const {return fTRDLabel;}
c4d11b15 94 void GetTRDExternalParameters(Double_t &x, Double_t p[5], Double_t cov[15]) const;//MI
95 AliKalmanTrack * GetTRDtrack(){return fTRDtrack;}
79e94bf8 96
c630aafd 97 void SetTOFsignal(Double_t tof) {fTOFsignal=tof;}
98 Float_t GetTOFsignal() const {return fTOFsignal;}
13da10da 99 Float_t GetTOFchi2() const {return fTOFchi2;}
c630aafd 100 void SetTOFpid(const Double_t *p);
101 void GetTOFpid(Double_t *p) const;
102 UInt_t GetTOFcluster() const {return fTOFindex;}
103 void SetTOFcluster(UInt_t index) {fTOFindex=index;}
4a78b8c5 104
105 void SetRICHsignal(Double_t beta) {fRICHsignal=beta;}
106 Float_t GetRICHsignal() const {return fRICHsignal;}
107 void SetRICHpid(const Double_t *p);
108 void GetRICHpid(Double_t *p) const;
109
110 void SetPHOSposition(const Double_t *pos) {
111 fPHOSpos[0] = pos[0]; fPHOSpos[1]=pos[1]; fPHOSpos[2]=pos[2];
112 }
113 void SetPHOSsignal(Double_t ene) {fPHOSsignal = ene; }
114 void SetPHOSpid(const Double_t *p);
115 void GetPHOSposition(Double_t *pos) const {
116 pos[0]=fPHOSpos[0]; pos[1]=fPHOSpos[1]; pos[2]=fPHOSpos[2];
117 }
118 Float_t GetPHOSsignal() const {return fPHOSsignal;}
119 void GetPHOSpid(Double_t *p) const;
120
704be597 121 void SetEMCALposition(const Double_t *pos) {
122 fEMCALpos[0] = pos[0]; fEMCALpos[1]=pos[1]; fEMCALpos[2]=pos[2];
123 }
124 void SetEMCALsignal(Double_t ene) {fEMCALsignal = ene; }
125 void SetEMCALpid(const Double_t *p);
126 void GetEMCALposition(Double_t *pos) const {
127 pos[0]=fEMCALpos[0]; pos[1]=fEMCALpos[1]; pos[2]=fEMCALpos[2];
128 }
129 Float_t GetEMCALsignal() const {return fEMCALsignal;}
130 void GetEMCALpid(Double_t *p) const;
131
3a83c716 132 Bool_t IsOn(Int_t mask) const {return (fFlags&mask)>0;}
704be597 133 Bool_t IsRICH() const {return fFlags&kRICHpid;}
134 Bool_t IsPHOS() const {return fFlags&kPHOSpid;}
135 Bool_t IsEMCAL() const {return fFlags&kEMCALpid;}
ac2f7574 136
137 virtual void Print(Option_t * opt) const ;
138
ae982df3 139 enum {
8c6a71ab 140 kITSin=0x0001,kITSout=0x0002,kITSrefit=0x0004,kITSpid=0x0008,
141 kTPCin=0x0010,kTPCout=0x0020,kTPCrefit=0x0040,kTPCpid=0x0080,
142 kTRDin=0x0100,kTRDout=0x0200,kTRDrefit=0x0400,kTRDpid=0x0800,
143 kTOFin=0x1000,kTOFout=0x2000,kTOFrefit=0x4000,kTOFpid=0x8000,
c4d11b15 144 kPHOSpid=0x10000, kRICHpid=0x20000, kEMCALpid=0x40000,
145 kTRDbackup=0x80000,
4a78b8c5 146 kTRDStop=0x20000000,
8c6a71ab 147 kESDpid=0x40000000,
ae982df3 148 kTIME=0x80000000
149 };
f82d8b8c 150 enum {
151 kSPECIES=5, // Number of particle species recognized by the PID
704be597 152 kSPECIESN=10, // Number of charged+neutral particle species recognized by the PHOS/EMCAL PID
f82d8b8c 153 kElectron=0, kMuon=1, kPion=2, kKaon=3, kProton=4, kPhoton=5,
704be597 154 kPi0=6, kNeutron=7, kKaon0=8, kEleCon=9 // PHOS/EMCAL definition
f82d8b8c 155 };
ae982df3 156protected:
157 ULong_t fFlags; // Reconstruction status flags
158 Int_t fLabel; // Track label
159
160 Float_t fTrackLength; // Track length
161 Float_t fTrackTime[kSPECIES]; // TOFs estimated by the tracking
162 Float_t fR[kSPECIES]; // combined "detector response probability"
163
164 Int_t fStopVertex; // Index of stop vertex
165
166//Running track parameters
167 Double_t fRalpha; // track rotation angle
168 Double_t fRx; // X-coordinate of the track reference plane
169 Double_t fRp[5]; // external track parameters
170 Double_t fRc[15]; // external cov. matrix of the track parameters
171
67c3dcbe 172//Track parameters constrained to the primary vertex
3a83c716 173 Double_t fCalpha; // Track rotation angle
174 Double_t fCx; // x-coordinate of the track reference plane
175 Double_t fCp[5]; // external track parameters
176 Double_t fCc[15]; // external cov. matrix of the track parameters
67c3dcbe 177 Double_t fCchi2; //chi2 at the primary vertex
178
672b5f43 179//Track parameters at the inner wall of the TPC
3a83c716 180 Double_t fIalpha; // Track rotation angle
181 Double_t fIx; // x-coordinate of the track reference plane
182 Double_t fIp[5]; // external track parameters
183 Double_t fIc[15]; // external cov. matrix of the track parameters
c4d11b15 184//Track parameters at the inner wall of the TRD
185 Double_t fTalpha; // Track rotation angle
186 Double_t fTx; // x-coordinate of the track reference plane
187 Double_t fTp[5]; // external track parameters
188 Double_t fTc[15]; // external cov. matrix of the track parameters
ae982df3 189
672b5f43 190//Track parameters at the radius of the PHOS
3a83c716 191 Double_t fOalpha; // Track rotation angle
192 Double_t fOx; // x-coordinate of the track reference plane
193 Double_t fOp[5]; // external track parameters
194 Double_t fOc[15]; // external cov. matrix of the track parameters
ae982df3 195
704be597 196//Track parameters at the radius of the EMCAL
197 Double_t fXalpha; // Track rotation angle
198 Double_t fXx; // x-coordinate of the track reference plane
199 Double_t fXp[5]; // external track parameters
200 Double_t fXc[15]; // external cov. matrix of the track parameters
201
ae982df3 202 // ITS related track information
203 Float_t fITSchi2; // chi2 in the ITS
c4d11b15 204 Float_t fITSchi2MIP[12]; // chi2s in the ITS
ae982df3 205 Int_t fITSncls; // number of clusters assigned in the ITS
206 UInt_t fITSindex[6]; //! indices of the assigned ITS clusters
207 Float_t fITSsignal; // detector's PID signal
431be10d 208 Float_t fITSr[kSPECIES]; // "detector response probabilities" (for the PID)
6e5b1b04 209 Int_t fITSLabel; // label according TPC
babd135a 210 Float_t fITSFakeRatio; // ration of fake tracks
c4d11b15 211 AliKalmanTrack * fITStrack; //OWNER: pointer to the ITS track -- currently for debug purpose
212
ae982df3 213 // TPC related track information
214 Float_t fTPCchi2; // chi2 in the TPC
215 Int_t fTPCncls; // number of clusters assigned in the TPC
216 UInt_t fTPCindex[180]; //! indices of the assigned TPC clusters
a866ac60 217 TBits fTPCClusterMap; // Map of clusters, one bit per padrow; 1 if has a cluster on given padrow
ae982df3 218 Float_t fTPCsignal; // detector's PID signal
8c6a71ab 219 Float_t fTPCr[kSPECIES]; // "detector response probabilities" (for the PID)
6e5b1b04 220 Int_t fTPCLabel; // label according TPC
ae982df3 221 // TRD related track information
79e94bf8 222 Float_t fTRDchi2; // chi2 in the TRD
223 Int_t fTRDncls; // number of clusters assigned in the TRD
c4d11b15 224 Int_t fTRDncls0; // number of clusters assigned in the TRD before first material cross
225 UInt_t fTRDindex[130]; //! indices of the assigned TRD clusters
79e94bf8 226 Float_t fTRDsignal; // detector's PID signal
431be10d 227 Float_t fTRDr[kSPECIES]; // "detector response probabilities" (for the PID)
6e5b1b04 228 Int_t fTRDLabel; // label according TRD
c4d11b15 229 AliKalmanTrack * fTRDtrack; //OWNER: pointer to the TRD track -- currently for debug purpose
ae982df3 230 // TOF related track information
c630aafd 231 Float_t fTOFchi2; // chi2 in the TOF
bb2ceb1f 232 UInt_t fTOFindex; // index of the assigned TOF cluster
c630aafd 233 Float_t fTOFsignal; // detector's PID signal
234 Float_t fTOFr[kSPECIES]; // "detector response probabilities" (for the PID)
235
4a78b8c5 236 // PHOS related track information
237 Float_t fPHOSpos[3]; //position localised by PHOS in global coordinate system
238 Float_t fPHOSsignal; // energy measured by PHOS
704be597 239 Float_t fPHOSr[kSPECIESN]; // PID information from PHOS
240
241 // EMCAL related track information
242 Float_t fEMCALpos[3]; //position localised by EMCAL in global coordinate system
243 Float_t fEMCALsignal; // energy measured by EMCAL
244 Float_t fEMCALr[kSPECIESN]; // PID information from EMCAL
ae982df3 245
4a78b8c5 246 // HMPID related track information
247 Float_t fRICHsignal; // detector's PID signal (beta for RICH)
248 Float_t fRICHr[kSPECIES];// "detector response probabilities" (for the PID)
249
c4d11b15 250 ClassDef(AliESDtrack,6) //ESDtrack
ae982df3 251};
252
253#endif
254