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 //-------------------------------------------------------------------------
14 /*****************************************************************************
15 * Use GetExternalParameters() and GetExternalCovariance() to access the *
16 * track information regardless of its internal representation. *
17 * This formation is now fixed in the following way: *
18 * external param0: local Y-coordinate of a track (cm) *
19 * external param1: local Z-coordinate of a track (cm) *
20 * external param2: local sine of the track momentum azimuthal angle *
21 * external param3: tangent of the track momentum dip angle *
22 * external param4: 1/pt (1/(GeV/c)) *
23 *****************************************************************************/
26 #include "AliExternalTrackParam.h"
32 class AliTrackPointArray;
34 const Int_t kNPlane = 6;
36 class AliESDtrack : public AliExternalTrackParam {
39 AliESDtrack(const AliESDtrack& track);
40 virtual ~AliESDtrack();
41 void MakeMiniESDtrack();
42 void SetID(Int_t id) { fID =id;}
43 Int_t GetID(){ return fID;}
44 void SetStatus(ULong_t flags) {fFlags|=flags;}
45 void ResetStatus(ULong_t flags) {fFlags&=~flags;}
46 Bool_t UpdateTrackParams(const AliKalmanTrack *t, ULong_t flags);
47 void SetIntegratedLength(Double_t l) {fTrackLength=l;}
48 void SetIntegratedTimes(const Double_t *times);
49 void SetESDpid(const Double_t *p);
50 void GetESDpid(Double_t *p) const;
52 ULong_t GetStatus() const {return fFlags;}
53 Int_t GetLabel() const {return fLabel;}
54 void SetLabel(Int_t label) {fLabel = label;}
56 void GetExternalParameters(Double_t &x, Double_t p[5]) const;
57 void GetExternalCovariance(Double_t cov[15]) const;
59 Double_t GetIntegratedLength() const {return fTrackLength;}
60 void GetIntegratedTimes(Double_t *times) const;
61 Double_t GetMass() const;
62 TVector3 P3() const {Double_t p[3]; GetPxPyPz(p); return TVector3(p[0],p[1],p[2]);} //running track momentum
63 TVector3 X3() const {Double_t x[3]; GetXYZ(x); return TVector3(x[0],x[1],x[2]);} //running track position
66 Bool_t GetConstrainedPxPyPz(Double_t *p) const {
67 if (!fCp) return kFALSE;
68 return fCp->GetPxPyPz(p);
70 Bool_t GetConstrainedXYZ(Double_t *r) const {
71 if (!fCp) return kFALSE;
72 return fCp->GetXYZ(r);
74 Bool_t GetConstrainedExternalParameters
75 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
76 Bool_t GetConstrainedExternalCovariance(Double_t cov[15]) const;
77 Double_t GetConstrainedChi2() const {return fCchi2;}
80 Bool_t GetInnerPxPyPz(Double_t *p) const {
81 if (!fIp) return kFALSE;
82 return fIp->GetPxPyPz(p);
84 Bool_t GetInnerXYZ(Double_t *r) const {
85 if (!fIp) return kFALSE;
86 return fIp->GetXYZ(r);
88 Bool_t GetInnerExternalParameters
89 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
90 Bool_t GetInnerExternalCovariance(Double_t cov[15]) const;
93 Bool_t GetOuterPxPyPz(Double_t *p) const {
94 if (!fOp) return kFALSE;
95 return fOp->GetPxPyPz(p);
97 Bool_t GetOuterXYZ(Double_t *r) const {
98 if (!fOp) return kFALSE;
99 return fOp->GetXYZ(r);
101 Bool_t GetOuterExternalParameters
102 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
103 Bool_t GetOuterExternalCovariance(Double_t cov[15]) const;
106 Int_t GetNcls(Int_t idet) const;
107 Int_t GetClusters(Int_t idet, UInt_t *idx) const;
109 void SetITSpid(const Double_t *p);
110 void SetITSChi2MIP(const Float_t *chi2mip);
111 void SetITStrack(AliKalmanTrack * track){fITStrack=track;}
112 void GetITSpid(Double_t *p) const;
113 Float_t GetITSsignal() const {return fITSsignal;}
114 Float_t GetITSchi2() const {return fITSchi2;}
115 Int_t GetITSclusters(UInt_t *idx) const;
116 Int_t GetITSLabel() const {return fITSLabel;}
117 Float_t GetITSFakeRatio() const {return fITSFakeRatio;}
118 AliKalmanTrack * GetITStrack(){return fITStrack;}
120 void SetTPCpid(const Double_t *p);
121 void GetTPCpid(Double_t *p) const;
122 void SetTPCPoints(Float_t points[4]){for (Int_t i=0;i<4;i++) fTPCPoints[i]=points[i];}
123 void SetTPCPointsF(UChar_t findable){fTPCnclsF = findable;}
124 Float_t GetTPCPoints(Int_t i){return fTPCPoints[i];}
125 void SetKinkIndexes(Int_t points[3]) {for (Int_t i=0;i<3;i++) fKinkIndexes[i] = points[i];}
126 void SetV0Indexes(Int_t points[3]) {for (Int_t i=0;i<3;i++) fV0Indexes[i] = points[i];}
127 void SetTPCsignal(Float_t signal, Float_t sigma, UChar_t npoints){ fTPCsignal = signal; fTPCsignalS = sigma; fTPCsignalN = npoints;}
128 Float_t GetTPCsignal() const {return fTPCsignal;}
129 Float_t GetTPCchi2() const {return fTPCchi2;}
130 Int_t GetTPCclusters(Int_t *idx) const;
131 Float_t GetTPCdensity(Int_t row0, Int_t row1) const;
132 Int_t GetTPCLabel() const {return fTPCLabel;}
133 Int_t GetKinkIndex(Int_t i) const { return fKinkIndexes[i];}
134 Int_t GetV0Index(Int_t i) const { return fV0Indexes[i];}
135 const TBits& GetTPCClusterMap() const {return fTPCClusterMap;}
137 void SetTRDpid(const Double_t *p);
138 void SetTRDQuality(Float_t quality){fTRDQuality=quality;}
139 Float_t GetTRDQuality()const {return fTRDQuality;}
140 void SetTRDBudget(Float_t budget){fTRDBudget=budget;}
141 Float_t GetTRDBudget()const {return fTRDBudget;}
142 void SetTRDtrack(AliKalmanTrack * track){fTRDtrack=track;}
143 void SetTRDsignals(Float_t dedx, Int_t i) {fTRDsignals[i]=dedx;}
144 void SetTRDTimBin(Int_t timbin, Int_t i) {fTRDTimBin[i]=timbin;}
145 void GetTRDpid(Double_t *p) const;
146 Float_t GetTRDsignal() const {return fTRDsignal;}
147 Float_t GetTRDsignals(Int_t i) const {return fTRDsignals[i];}
148 Int_t GetTRDTimBin(Int_t i) const {return fTRDTimBin[i];}
149 Float_t GetTRDchi2() const {return fTRDchi2;}
150 Int_t GetTRDclusters(UInt_t *idx) const;
151 Int_t GetTRDncls() const {return fTRDncls;}
152 void SetTRDpid(Int_t iSpecies, Float_t p);
153 Float_t GetTRDpid(Int_t iSpecies) const;
154 Int_t GetTRDLabel() const {return fTRDLabel;}
157 AliKalmanTrack * GetTRDtrack(){return fTRDtrack;}
159 void SetTOFsignal(Double_t tof) {fTOFsignal=tof;}
160 Float_t GetTOFsignal() const {return fTOFsignal;}
161 Float_t GetTOFchi2() const {return fTOFchi2;}
162 void SetTOFpid(const Double_t *p);
163 void SetTOFLabel(const Int_t *p);
164 void GetTOFpid(Double_t *p) const;
165 void GetTOFLabel(Int_t *p) const;
166 void GetTOFInfo(Float_t *info) const;
167 void SetTOFInfo(Float_t *info);
168 UInt_t GetTOFcluster() const {return fTOFindex;}
169 void SetTOFcluster(UInt_t index) {fTOFindex=index;}
171 void SetRICHsignal(Double_t beta) {fRICHsignal=beta;}
172 Float_t GetRICHsignal() const {return fRICHsignal;}
173 void SetRICHpid(const Double_t *p);
174 void GetRICHpid(Double_t *p) const;
175 void SetRICHchi2(Double_t chi2) {fRICHchi2=chi2;}
176 Float_t GetRICHchi2() const {return fRICHchi2;}
177 void SetRICHcluster(UInt_t index) {fRICHindex=index;}
178 UInt_t GetRICHcluster() const {return fRICHindex;}
179 void SetRICHnclusters(Int_t n) {fRICHncls=n;}
180 Int_t GetRICHnclusters() const {return fRICHncls;}
181 void SetRICHthetaPhi(Double_t theta, Double_t phi) {
182 fRICHtheta=theta; fRICHphi=phi;
184 void GetRICHthetaPhi(Double_t &theta, Double_t &phi) const {
185 theta=fRICHtheta; phi=fRICHphi;
187 void SetRICHdxdy(Double_t dx, Double_t dy) {
188 fRICHdx=dx; fRICHdy=dy;
190 void GetRICHdxdy(Double_t &dx, Double_t &dy) const {
191 dx=fRICHdx; dy=fRICHdy;
194 void SetPHOSposition(const Double_t *pos) {
195 fPHOSpos[0] = pos[0]; fPHOSpos[1]=pos[1]; fPHOSpos[2]=pos[2];
197 void SetPHOSsignal(Double_t ene) {fPHOSsignal = ene; }
198 void SetPHOSpid(const Double_t *p);
199 void GetPHOSposition(Double_t *pos) const {
200 pos[0]=fPHOSpos[0]; pos[1]=fPHOSpos[1]; pos[2]=fPHOSpos[2];
202 Float_t GetPHOSsignal() const {return fPHOSsignal;}
203 void GetPHOSpid(Double_t *p) const;
205 void SetEMCALposition(const Double_t *pos) {
206 fEMCALpos[0] = pos[0]; fEMCALpos[1]=pos[1]; fEMCALpos[2]=pos[2];
208 void SetEMCALsignal(Double_t ene) {fEMCALsignal = ene; }
209 void SetEMCALpid(const Double_t *p);
210 void GetEMCALposition(Double_t *pos) const {
211 pos[0]=fEMCALpos[0]; pos[1]=fEMCALpos[1]; pos[2]=fEMCALpos[2];
213 Float_t GetEMCALsignal() const {return fEMCALsignal;}
214 void GetEMCALpid(Double_t *p) const;
216 Bool_t IsOn(Int_t mask) const {return (fFlags&mask)>0;}
217 Bool_t IsRICH() const {return fFlags&kRICHpid;}
218 Bool_t IsPHOS() const {return fFlags&kPHOSpid;}
219 Bool_t IsEMCAL() const {return fFlags&kEMCALpid;}
221 void SetTrackPointArray(AliTrackPointArray *points) { fPoints = points; }
222 AliTrackPointArray *GetTrackPointArray() const { return fPoints; }
225 RelateToVertex(const AliESDVertex *vtx, Double_t b, Double_t maxd);
226 void GetImpactParameters(Float_t &xy,Float_t &z) const {xy=fD; z=fZ;}
227 void GetImpactParameters(Float_t p[2], Float_t cov[3]) const {
228 p[0]=fD; p[1]=fZ; cov[0]=fCdd; cov[1]=fCdz; cov[2]=fCzz;
230 virtual void Print(Option_t * opt) const ;
233 kITSin=0x0001,kITSout=0x0002,kITSrefit=0x0004,kITSpid=0x0008,
234 kTPCin=0x0010,kTPCout=0x0020,kTPCrefit=0x0040,kTPCpid=0x0080,
235 kTRDin=0x0100,kTRDout=0x0200,kTRDrefit=0x0400,kTRDpid=0x0800,
236 kTOFin=0x1000,kTOFout=0x2000,kTOFrefit=0x4000,kTOFpid=0x8000,
237 kPHOSpid=0x10000, kRICHpid=0x20000, kEMCALpid=0x40000,
245 //AliESDtrack & operator=(const AliESDtrack & );
247 ULong_t fFlags; // Reconstruction status flags
248 Int_t fLabel; // Track label
249 Int_t fID; // Unique ID of the track
250 Float_t fTrackLength; // Track length
251 Float_t fD; // Impact parameter in XY plane
252 Float_t fZ; // Impact parameter in Z
253 Float_t fCdd,fCdz,fCzz; // Covariance matrix of the impact parameters
254 Float_t fTrackTime[AliPID::kSPECIES]; // TOFs estimated by the tracking
255 Float_t fR[AliPID::kSPECIES]; // combined "detector response probability"
257 Int_t fStopVertex; // Index of the stop vertex
259 //Track parameters constrained to the primary vertex
260 AliExternalTrackParam *fCp;
261 Double_t fCchi2; //chi2 at the primary vertex
263 //Track parameters at the inner wall of the TPC
264 AliExternalTrackParam *fIp;
266 //Track parameters at the inner wall of the TRD
267 AliExternalTrackParam *fOp;
269 // ITS related track information
270 Float_t fITSchi2; // chi2 in the ITS
271 Float_t fITSchi2MIP[12]; // chi2s in the ITS
272 Int_t fITSncls; // number of clusters assigned in the ITS
273 UInt_t fITSindex[6]; //! indices of the assigned ITS clusters
274 Float_t fITSsignal; // detector's PID signal
275 Float_t fITSr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID)
276 Int_t fITSLabel; // label according TPC
277 Float_t fITSFakeRatio; // ration of fake tracks
278 AliKalmanTrack * fITStrack; //! OWNER: pointer to the ITS track -- currently for debug purpose
280 // TPC related track information
281 Float_t fTPCchi2; // chi2 in the TPC
282 Int_t fTPCncls; // number of clusters assigned in the TPC
283 UShort_t fTPCnclsF; // number of findable clusters in the TPC
284 Int_t fTPCindex[180]; //! indices of the assigned TPC clusters
285 TBits fTPCClusterMap; // Map of clusters, one bit per padrow; 1 if has a cluster on given padrow
286 Float_t fTPCsignal; // detector's PID signal
287 UShort_t fTPCsignalN; // number of points used for dEdx
288 Float_t fTPCsignalS; // RMS of dEdx measurement
289 Float_t fTPCr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID)
290 Int_t fTPCLabel; // label according TPC
291 Float_t fTPCPoints[4]; // TPC points -first, max. dens, last and max density
292 Int_t fKinkIndexes[3]; // array of indexes of posible kink candidates
293 Int_t fV0Indexes[3]; // array of indexes of posible kink candidates
295 // TRD related track information
296 Float_t fTRDchi2; // chi2 in the TRD
297 Int_t fTRDncls; // number of clusters assigned in the TRD
298 Int_t fTRDncls0; // number of clusters assigned in the TRD before first material cross
299 UInt_t fTRDindex[180]; //! indices of the assigned TRD clusters
300 Float_t fTRDsignal; // detector's PID signal
301 Float_t fTRDsignals[kNPlane]; // TRD signals from all six planes
302 Int_t fTRDTimBin[kNPlane]; // Time bin of Max cluster from all six planes
303 Float_t fTRDr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID)
304 Int_t fTRDLabel; // label according TRD
305 Float_t fTRDQuality; //trd quality factor for TOF
306 Float_t fTRDBudget; //trd material budget
307 AliKalmanTrack * fTRDtrack; //! OWNER: pointer to the TRD track -- currently for debug purpose
309 // TOF related track information
310 Float_t fTOFchi2; // chi2 in the TOF
311 UInt_t fTOFindex; // index of the assigned TOF cluster
312 Float_t fTOFsignal; // detector's PID signal
313 Float_t fTOFr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID)
314 Int_t fTOFLabel[3]; // TOF label
315 Float_t fTOFInfo[10]; //! TOF informations
317 // PHOS related track information
318 Float_t fPHOSpos[3]; // position localised by PHOS in global coordinate system
319 Float_t fPHOSsignal; // energy measured by PHOS
320 Float_t fPHOSr[AliPID::kSPECIESN]; // PID information from PHOS
322 // EMCAL related track information
323 Float_t fEMCALpos[3]; //position localised by EMCAL in global coordinate system
324 Float_t fEMCALsignal; // energy measured by EMCAL
325 Float_t fEMCALr[AliPID::kSPECIESN]; // PID information from EMCAL
327 // HMPID related track information
328 Float_t fRICHchi2; // chi2 in the RICH
329 Int_t fRICHncls; // number of photon clusters
330 UInt_t fRICHindex; // index of the assigned MIP cluster
331 Float_t fRICHsignal; // RICH PID signal
332 Float_t fRICHr[AliPID::kSPECIES];// "detector response probabilities" (for the PID)
333 Float_t fRICHtheta; // theta of the track extrapolated to the RICH
334 Float_t fRICHphi; // phi of the track extrapolated to the RICH
335 Float_t fRICHdx; // x of the track impact minus x of the MIP
336 Float_t fRICHdy; // y of the track impact minus y of the MIP
338 AliTrackPointArray *fPoints; // Array which contains the track space points in the global frame
340 ClassDef(AliESDtrack,22) //ESDtrack