3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 //-------------------------------------------------------------------------
10 // This is the class to deal with during the physics analysis of data
12 // Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch
13 //-------------------------------------------------------------------------
19 class AliESDtrack : public TObject {
22 AliESDtrack(const AliESDtrack& track);
23 virtual ~AliESDtrack();
24 void SetID(Int_t id) { fID =id;}
25 Int_t GetID(){ return fID;}
26 void SetStatus(ULong_t flags) {fFlags|=flags;}
27 void ResetStatus(ULong_t flags) {fFlags&=~flags;}
28 Bool_t UpdateTrackParams(const AliKalmanTrack *t, ULong_t flags);
29 void SetIntegratedLength(Double_t l) {fTrackLength=l;}
30 void SetIntegratedTimes(const Double_t *times);
31 void SetESDpid(const Double_t *p);
32 void GetESDpid(Double_t *p) const;
34 ULong_t GetStatus() const {return fFlags;}
35 Int_t GetLabel() const {return fLabel;}
36 Double_t GetAlpha() const {return fRalpha;}
37 void GetExternalParameters(Double_t &x, Double_t p[5]) const;
38 Bool_t GetExternalParametersAt(Double_t x, Double_t p[5]) const;
39 void GetExternalCovariance(Double_t cov[15]) const;
40 Double_t GetIntegratedLength() const {return fTrackLength;}
41 void GetIntegratedTimes(Double_t *times) const;
42 Double_t GetMass() const;
43 Double_t GetP() const;
44 void GetPxPyPz(Double_t *p) const;
45 void GetXYZ(Double_t *r) const;
46 void GetCovariance(Double_t cov[21]) const;
47 Int_t GetSign() const {return (fRp[4]>0) ? 1 : -1;}
49 void SetConstrainedTrackParams(const AliKalmanTrack *t, Double_t chi2);
51 Double_t GetConstrainedAlpha() const {return fCalpha;}
52 Double_t GetConstrainedChi2() const {return fCchi2;}
53 void GetConstrainedExternalParameters(Double_t &x, Double_t p[5]) const;
54 void GetConstrainedExternalCovariance(Double_t cov[15]) const;
56 void GetConstrainedPxPyPz(Double_t *p) const;
57 void GetConstrainedXYZ(Double_t *r) const;
59 void GetInnerPxPyPz(Double_t *p) const;
60 void GetInnerXYZ(Double_t *r) const;
61 void GetInnerExternalParameters(Double_t &x, Double_t p[5]) const;//skowron
62 void GetInnerExternalCovariance(Double_t cov[15]) const;//skowron
63 Double_t GetInnerAlpha() const {return fIalpha;}
66 void GetOuterPxPyPzPHOS(Double_t *p) const;
67 void GetOuterPxPyPzEMCAL(Double_t *p) const;
68 void GetOuterXYZPHOS(Double_t *r) const;
69 void GetOuterXYZEMCAL(Double_t *r) const;
71 void SetITSpid(const Double_t *p);
72 void SetITSChi2MIP(const Float_t *chi2mip);
73 void SetITStrack(AliKalmanTrack * track){fITStrack=track;}
74 void GetITSpid(Double_t *p) const;
75 Float_t GetITSsignal() const {return fITSsignal;}
76 Float_t GetITSchi2() const {return fITSchi2;}
77 Int_t GetITSclusters(UInt_t *idx) const;
78 Int_t GetITSLabel() const {return fITSLabel;}
79 Float_t GetITSFakeRatio() const {return fITSFakeRatio;}
80 AliKalmanTrack * GetITStrack(){return fITStrack;}
82 void SetTPCpid(const Double_t *p);
83 void GetTPCpid(Double_t *p) const;
84 void SetTPCPoints(Float_t points[4]){for (Int_t i=0;i<4;i++) fTPCPoints[i]=points[i];}
85 void SetKinkIndexes(Int_t points[3]) {for (Int_t i=0;i<3;i++) fKinkIndexes[i] = points[i];}
86 void SetV0Indexes(Int_t points[3]) {for (Int_t i=0;i<3;i++) fV0Indexes[i] = points[i];}
87 Float_t GetTPCsignal() const {return fTPCsignal;}
88 Float_t GetTPCchi2() const {return fTPCchi2;}
89 Int_t GetTPCclusters(Int_t *idx) const;
90 Int_t GetTPCLabel() const {return fTPCLabel;}
91 Int_t GetKinkIndex(Int_t i) const { return fKinkIndexes[i];}
92 Int_t GetV0Index(Int_t i) const { return fV0Indexes[i];}
93 const TBits& GetTPCClusterMap() const {return fTPCClusterMap;}
95 void SetTRDpid(const Double_t *p);
96 void SetTRDtrack(AliKalmanTrack * track){fTRDtrack=track;}
97 void GetTRDpid(Double_t *p) const;
98 Float_t GetTRDsignal() const {return fTRDsignal;}
99 Float_t GetTRDchi2() const {return fTRDchi2;}
100 Int_t GetTRDclusters(UInt_t *idx) const;
101 Int_t GetTRDncls() const {return fTRDncls;}
102 void SetTRDpid(Int_t iSpecies, Float_t p);
103 Float_t GetTRDpid(Int_t iSpecies) const;
104 Int_t GetTRDLabel() const {return fTRDLabel;}
105 void GetTRDExternalParameters(Double_t &x, Double_t &alpha, Double_t p[5], Double_t cov[15]) const;//MI
106 AliKalmanTrack * GetTRDtrack(){return fTRDtrack;}
108 void SetTOFsignal(Double_t tof) {fTOFsignal=tof;}
109 Float_t GetTOFsignal() const {return fTOFsignal;}
110 Float_t GetTOFchi2() const {return fTOFchi2;}
111 void SetTOFpid(const Double_t *p);
112 void SetTOFLabel(const Int_t *p);
113 void GetTOFpid(Double_t *p) const;
114 void GetTOFLabel(Int_t *p) const;
115 void GetTOFInfo(Float_t *info) const;
116 void SetTOFInfo(Float_t *info);
117 UInt_t GetTOFcluster() const {return fTOFindex;}
118 void SetTOFcluster(UInt_t index) {fTOFindex=index;}
120 void SetRICHsignal(Double_t beta) {fRICHsignal=beta;}
121 Float_t GetRICHsignal() const {return fRICHsignal;}
122 void SetRICHpid(const Double_t *p);
123 void GetRICHpid(Double_t *p) const;
125 void SetPHOSposition(const Double_t *pos) {
126 fPHOSpos[0] = pos[0]; fPHOSpos[1]=pos[1]; fPHOSpos[2]=pos[2];
128 void SetPHOSsignal(Double_t ene) {fPHOSsignal = ene; }
129 void SetPHOSpid(const Double_t *p);
130 void GetPHOSposition(Double_t *pos) const {
131 pos[0]=fPHOSpos[0]; pos[1]=fPHOSpos[1]; pos[2]=fPHOSpos[2];
133 Float_t GetPHOSsignal() const {return fPHOSsignal;}
134 void GetPHOSpid(Double_t *p) const;
136 void SetEMCALposition(const Double_t *pos) {
137 fEMCALpos[0] = pos[0]; fEMCALpos[1]=pos[1]; fEMCALpos[2]=pos[2];
139 void SetEMCALsignal(Double_t ene) {fEMCALsignal = ene; }
140 void SetEMCALpid(const Double_t *p);
141 void GetEMCALposition(Double_t *pos) const {
142 pos[0]=fEMCALpos[0]; pos[1]=fEMCALpos[1]; pos[2]=fEMCALpos[2];
144 Float_t GetEMCALsignal() const {return fEMCALsignal;}
145 void GetEMCALpid(Double_t *p) const;
147 Bool_t IsOn(Int_t mask) const {return (fFlags&mask)>0;}
148 Bool_t IsRICH() const {return fFlags&kRICHpid;}
149 Bool_t IsPHOS() const {return fFlags&kPHOSpid;}
150 Bool_t IsEMCAL() const {return fFlags&kEMCALpid;}
152 virtual void Print(Option_t * opt) const ;
155 kITSin=0x0001,kITSout=0x0002,kITSrefit=0x0004,kITSpid=0x0008,
156 kTPCin=0x0010,kTPCout=0x0020,kTPCrefit=0x0040,kTPCpid=0x0080,
157 kTRDin=0x0100,kTRDout=0x0200,kTRDrefit=0x0400,kTRDpid=0x0800,
158 kTOFin=0x1000,kTOFout=0x2000,kTOFrefit=0x4000,kTOFpid=0x8000,
159 kPHOSpid=0x10000, kRICHpid=0x20000, kEMCALpid=0x40000,
166 kSPECIES=5, // Number of particle species recognized by the PID
167 kSPECIESN=10, // Number of charged+neutral particle species recognized by the PHOS/EMCAL PID
168 kElectron=0, kMuon=1, kPion=2, kKaon=3, kProton=4, kPhoton=5,
169 kPi0=6, kNeutron=7, kKaon0=8, kEleCon=9 // PHOS/EMCAL definition
172 ULong_t fFlags; // Reconstruction status flags
173 Int_t fLabel; // Track label
174 Int_t fID; // Unique ID of the track
175 Float_t fTrackLength; // Track length
176 Float_t fTrackTime[kSPECIES]; // TOFs estimated by the tracking
177 Float_t fR[kSPECIES]; // combined "detector response probability"
179 Int_t fStopVertex; // Index of stop vertex
181 //Running track parameters
182 Double_t fRalpha; // track rotation angle
183 Double_t fRx; // X-coordinate of the track reference plane
184 Double_t fRp[5]; // external track parameters
185 Double_t fRc[15]; // external cov. matrix of the track parameters
187 //Track parameters constrained to the primary vertex
188 Double_t fCalpha; // Track rotation angle
189 Double_t fCx; // x-coordinate of the track reference plane
190 Double_t fCp[5]; // external track parameters
191 Double_t fCc[15]; // external cov. matrix of the track parameters
192 Double_t fCchi2; //chi2 at the primary vertex
194 //Track parameters at the inner wall of the TPC
195 Double_t fIalpha; // Track rotation angle
196 Double_t fIx; // x-coordinate of the track reference plane
197 Double_t fIp[5]; // external track parameters
198 Double_t fIc[15]; // external cov. matrix of the track parameters
199 //Track parameters at the inner wall of the TRD
200 Double_t fTalpha; // Track rotation angle
201 Double_t fTx; // x-coordinate of the track reference plane
202 Double_t fTp[5]; // external track parameters
203 Double_t fTc[15]; // external cov. matrix of the track parameters
205 //Track parameters at the radius of the PHOS
206 Double_t fOalpha; //! Track rotation angle
207 Double_t fOx; //! x-coordinate of the track reference plane
208 Double_t fOp[5]; //! external track parameters
209 Double_t fOc[15]; //! external cov. matrix of the track parameters
211 //Track parameters at the radius of the EMCAL
212 Double_t fXalpha; //! Track rotation angle
213 Double_t fXx; //! x-coordinate of the track reference plane
214 Double_t fXp[5]; //! external track parameters
215 Double_t fXc[15]; //! external cov. matrix of the track parameters
217 // ITS related track information
218 Float_t fITSchi2; // chi2 in the ITS
219 Float_t fITSchi2MIP[12]; // chi2s in the ITS
220 Int_t fITSncls; // number of clusters assigned in the ITS
221 UInt_t fITSindex[6]; //! indices of the assigned ITS clusters
222 Float_t fITSsignal; // detector's PID signal
223 Float_t fITSr[kSPECIES]; // "detector response probabilities" (for the PID)
224 Int_t fITSLabel; // label according TPC
225 Float_t fITSFakeRatio; // ration of fake tracks
226 AliKalmanTrack * fITStrack; //! OWNER: pointer to the ITS track -- currently for debug purpose
228 // TPC related track information
229 Float_t fTPCchi2; // chi2 in the TPC
230 Int_t fTPCncls; // number of clusters assigned in the TPC
231 Int_t fTPCindex[180]; //! indices of the assigned TPC clusters
232 TBits fTPCClusterMap; // Map of clusters, one bit per padrow; 1 if has a cluster on given padrow
233 Float_t fTPCsignal; // detector's PID signal
234 Float_t fTPCr[kSPECIES]; // "detector response probabilities" (for the PID)
235 Int_t fTPCLabel; // label according TPC
236 Float_t fTPCPoints[4]; // TPC points -first, max. dens, last and max density
237 Int_t fKinkIndexes[3]; // array of indexes of posible kink candidates
238 Int_t fV0Indexes[3]; // array of indexes of posible kink candidates
239 // TRD related track information
240 Float_t fTRDchi2; // chi2 in the TRD
241 Int_t fTRDncls; // number of clusters assigned in the TRD
242 Int_t fTRDncls0; // number of clusters assigned in the TRD before first material cross
243 UInt_t fTRDindex[130]; //! indices of the assigned TRD clusters
244 Float_t fTRDsignal; // detector's PID signal
245 Float_t fTRDr[kSPECIES]; // "detector response probabilities" (for the PID)
246 Int_t fTRDLabel; // label according TRD
247 AliKalmanTrack * fTRDtrack; //! OWNER: pointer to the TRD track -- currently for debug purpose
248 // TOF related track information
249 Float_t fTOFchi2; // chi2 in the TOF
250 UInt_t fTOFindex; // index of the assigned TOF cluster
251 Float_t fTOFsignal; // detector's PID signal
252 Float_t fTOFr[kSPECIES]; // "detector response probabilities" (for the PID)
253 Int_t fTOFLabel[3]; // TOF label
254 Float_t fTOFInfo[10]; //! TOF informations
255 // PHOS related track information
256 Float_t fPHOSpos[3]; // position localised by PHOS in global coordinate system
257 Float_t fPHOSsignal; // energy measured by PHOS
258 Float_t fPHOSr[kSPECIESN]; // PID information from PHOS
260 // EMCAL related track information
261 Float_t fEMCALpos[3]; //position localised by EMCAL in global coordinate system
262 Float_t fEMCALsignal; // energy measured by EMCAL
263 Float_t fEMCALr[kSPECIESN]; // PID information from EMCAL
265 // HMPID related track information
266 Float_t fRICHsignal; // detector's PID signal (beta for RICH)
267 Float_t fRICHr[kSPECIES];// "detector response probabilities" (for the PID)
269 ClassDef(AliESDtrack,9) //ESDtrack