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 class AliESDtrack : public AliExternalTrackParam {
37 AliESDtrack(const AliESDtrack& track);
38 virtual ~AliESDtrack();
39 void MakeMiniESDtrack();
40 void SetID(Int_t id) { fID =id;}
41 Int_t GetID(){ return fID;}
42 void SetStatus(ULong_t flags) {fFlags|=flags;}
43 void ResetStatus(ULong_t flags) {fFlags&=~flags;}
44 Bool_t UpdateTrackParams(const AliKalmanTrack *t, ULong_t flags);
45 void SetIntegratedLength(Double_t l) {fTrackLength=l;}
46 void SetIntegratedTimes(const Double_t *times);
47 void SetESDpid(const Double_t *p);
48 void GetESDpid(Double_t *p) const;
50 ULong_t GetStatus() const {return fFlags;}
51 Int_t GetLabel() const {return fLabel;}
52 void SetLabel(Int_t label) {fLabel = label;}
54 void GetExternalParameters(Double_t &x, Double_t p[5]) const;
55 void GetExternalCovariance(Double_t cov[15]) const;
57 Double_t GetIntegratedLength() const {return fTrackLength;}
58 void GetIntegratedTimes(Double_t *times) const;
59 Double_t GetMass() const;
60 TVector3 P3() const {Double_t p[3]; GetPxPyPz(p); return TVector3(p[0],p[1],p[2]);} //running track momentum
61 TVector3 X3() const {Double_t x[3]; GetXYZ(x); return TVector3(x[0],x[1],x[2]);} //running track position
64 Bool_t GetConstrainedPxPyPz(Double_t *p) const {
65 if (!fCp) return kFALSE;
66 return fCp->GetPxPyPz(p);
68 Bool_t GetConstrainedXYZ(Double_t *r) const {
69 if (!fCp) return kFALSE;
70 return fCp->GetXYZ(r);
72 Bool_t GetConstrainedExternalParameters
73 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
74 Bool_t GetConstrainedExternalCovariance(Double_t cov[15]) const;
75 Double_t GetConstrainedChi2() const {return fCchi2;}
78 Bool_t GetInnerPxPyPz(Double_t *p) const {
79 if (!fIp) return kFALSE;
80 return fIp->GetPxPyPz(p);
82 const AliExternalTrackParam * GetInnerParam() const { return fIp;}
83 Bool_t GetInnerXYZ(Double_t *r) const {
84 if (!fIp) return kFALSE;
85 return fIp->GetXYZ(r);
87 Bool_t GetInnerExternalParameters
88 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
89 Bool_t GetInnerExternalCovariance(Double_t cov[15]) const;
91 const AliExternalTrackParam * GetOuterParam() const { return fOp;}
92 Bool_t GetOuterPxPyPz(Double_t *p) const {
93 if (!fOp) return kFALSE;
94 return fOp->GetPxPyPz(p);
96 Bool_t GetOuterXYZ(Double_t *r) const {
97 if (!fOp) return kFALSE;
98 return fOp->GetXYZ(r);
100 Bool_t GetOuterExternalParameters
101 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
102 Bool_t GetOuterExternalCovariance(Double_t cov[15]) const;
105 Int_t GetNcls(Int_t idet) const;
106 Int_t GetClusters(Int_t idet, Int_t *idx) const;
108 void SetITSpid(const Double_t *p);
109 void SetITSChi2MIP(const Float_t *chi2mip);
110 void SetITStrack(AliKalmanTrack * track){fITStrack=track;}
111 void GetITSpid(Double_t *p) const;
112 Float_t GetITSsignal() const {return fITSsignal;}
113 Float_t GetITSchi2() const {return fITSchi2;}
114 Int_t GetITSclusters(Int_t *idx) const;
115 Int_t GetITSLabel() const {return fITSLabel;}
116 Float_t GetITSFakeRatio() const {return fITSFakeRatio;}
117 AliKalmanTrack * GetITStrack(){return fITStrack;}
119 void SetTPCpid(const Double_t *p);
120 void GetTPCpid(Double_t *p) const;
121 void SetTPCPoints(Float_t points[4]){for (Int_t i=0;i<4;i++) fTPCPoints[i]=points[i];}
122 void SetTPCPointsF(UChar_t findable){fTPCnclsF = findable;}
123 Float_t GetTPCPoints(Int_t i){return fTPCPoints[i];}
124 void SetKinkIndexes(Int_t points[3]) {for (Int_t i=0;i<3;i++) fKinkIndexes[i] = points[i];}
125 void SetV0Indexes(Int_t points[3]) {for (Int_t i=0;i<3;i++) fV0Indexes[i] = points[i];}
126 void SetTPCsignal(Float_t signal, Float_t sigma, UChar_t npoints){ fTPCsignal = signal; fTPCsignalS = sigma; fTPCsignalN = npoints;}
127 Float_t GetTPCsignal() const {return fTPCsignal;}
128 Float_t GetTPCchi2() const {return fTPCchi2;}
129 Int_t GetTPCclusters(Int_t *idx) const;
130 Float_t GetTPCdensity(Int_t row0, Int_t row1) const;
131 Int_t GetTPCLabel() const {return fTPCLabel;}
132 Int_t GetKinkIndex(Int_t i) const { return fKinkIndexes[i];}
133 Int_t GetV0Index(Int_t i) const { return fV0Indexes[i];}
134 const TBits& GetTPCClusterMap() const {return fTPCClusterMap;}
136 void SetTRDpid(const Double_t *p);
137 void SetTRDQuality(Float_t quality){fTRDQuality=quality;}
138 Float_t GetTRDQuality()const {return fTRDQuality;}
139 void SetTRDBudget(Float_t budget){fTRDBudget=budget;}
140 Float_t GetTRDBudget()const {return fTRDBudget;}
141 void SetTRDtrack(AliKalmanTrack * track){fTRDtrack=track;}
142 void SetTRDsignals(Float_t dedx, Int_t i) {fTRDsignals[i]=dedx;}
143 void SetTRDTimBin(Int_t timbin, Int_t i) {fTRDTimBin[i]=timbin;}
144 void GetTRDpid(Double_t *p) const;
145 Float_t GetTRDsignal() const {return fTRDsignal;}
146 Float_t GetTRDsignals(Int_t i) const {return fTRDsignals[i];}
147 Int_t GetTRDTimBin(Int_t i) const {return fTRDTimBin[i];}
148 Float_t GetTRDchi2() const {return fTRDchi2;}
149 Int_t GetTRDclusters(Int_t *idx) const;
150 Int_t GetTRDncls() const {return fTRDncls;}
151 void SetTRDpid(Int_t iSpecies, Float_t p);
152 Float_t GetTRDpid(Int_t iSpecies) const;
153 Int_t GetTRDLabel() const {return fTRDLabel;}
156 AliKalmanTrack * GetTRDtrack(){return fTRDtrack;}
158 void SetTOFsignal(Double_t tof) {fTOFsignal=tof;}
159 Float_t GetTOFsignal() const {return fTOFsignal;}
160 void SetTOFsignalToT(Double_t ToT) {fTOFsignalToT=ToT;}
161 Float_t GetTOFsignalToT() const {return fTOFsignalToT;}
162 Float_t GetTOFchi2() const {return fTOFchi2;}
163 void SetTOFpid(const Double_t *p);
164 void SetTOFLabel(const Int_t *p);
165 void GetTOFpid(Double_t *p) const;
166 void GetTOFLabel(Int_t *p) const;
167 void GetTOFInfo(Float_t *info) const;
168 void SetTOFInfo(Float_t *info);
169 Int_t GetTOFCalChannel() const {return fTOFCalChannel;}
170 Int_t GetTOFcluster() const {return fTOFindex;}
171 void SetTOFcluster(Int_t index) {fTOFindex=index;}
172 void SetTOFCalChannel(Int_t index) {fTOFCalChannel=index;}
174 void SetRICHsignal(Double_t beta) {fRICHsignal=beta;}
175 Float_t GetRICHsignal() const {return fRICHsignal;}
176 void SetRICHpid(const Double_t *p);
177 void GetRICHpid(Double_t *p) const;
178 void SetRICHchi2(Double_t chi2) {fRICHchi2=chi2;}
179 Float_t GetRICHchi2() const {return fRICHchi2;}
180 void SetRICHcluster(Int_t index) {fRICHindex=index;}
181 Int_t GetRICHcluster() const {return fRICHindex;}
182 void SetRICHnclusters(Int_t n) {fRICHncls=n;}
183 Int_t GetRICHnclusters() const {return fRICHncls;}
184 void SetRICHthetaPhi(Float_t theta, Float_t phi) {fRICHtheta=theta; fRICHphi=phi;}
185 void GetRICHthetaPhi(Float_t &theta, Float_t &phi)const {theta=fRICHtheta; phi=fRICHphi;}
186 void SetRICHdxdy (Float_t dx, Float_t dy) {fRICHdx=dx; fRICHdy=dy;}
187 void GetRICHdxdy (Float_t &dx, Float_t &dy)const {dx=fRICHdx; dy=fRICHdy;}
188 void SetRICHmipXY (Float_t x, Float_t y) {fRICHmipX=x; fRICHmipY=y;}
189 void GetRICHmipXY (Float_t &x, Float_t &y)const {x=fRICHmipX; y=fRICHmipY;}
191 Bool_t IsOn(Int_t mask) const {return (fFlags&mask)>0;}
192 Bool_t IsRICH() const {return fFlags&kRICHpid;}
193 Bool_t IsPHOS() const {return fFlags&kPHOSpid;}
195 void SetTrackPointArray(AliTrackPointArray *points) { fPoints = points; }
196 AliTrackPointArray *GetTrackPointArray() const { return fPoints; }
199 RelateToVertex(const AliESDVertex *vtx, Double_t b, Double_t maxd);
200 void GetImpactParameters(Float_t &xy,Float_t &z) const {xy=fD; z=fZ;}
201 void GetImpactParameters(Float_t p[2], Float_t cov[3]) const {
202 p[0]=fD; p[1]=fZ; cov[0]=fCdd; cov[1]=fCdz; cov[2]=fCzz;
204 virtual void Print(Option_t * opt) const ;
207 kITSin=0x0001,kITSout=0x0002,kITSrefit=0x0004,kITSpid=0x0008,
208 kTPCin=0x0010,kTPCout=0x0020,kTPCrefit=0x0040,kTPCpid=0x0080,
209 kTRDin=0x0100,kTRDout=0x0200,kTRDrefit=0x0400,kTRDpid=0x0800,
210 kTOFin=0x1000,kTOFout=0x2000,kTOFrefit=0x4000,kTOFpid=0x8000,
211 kPHOSpid=0x10000, kRICHpid=0x20000,
225 //AliESDtrack & operator=(const AliESDtrack & );
227 ULong_t fFlags; // Reconstruction status flags
228 Int_t fLabel; // Track label
229 Int_t fID; // Unique ID of the track
230 Float_t fTrackLength; // Track length
231 Float_t fD; // Impact parameter in XY plane
232 Float_t fZ; // Impact parameter in Z
233 Float_t fCdd,fCdz,fCzz; // Covariance matrix of the impact parameters
234 Float_t fTrackTime[AliPID::kSPECIES]; // TOFs estimated by the tracking
235 Float_t fR[AliPID::kSPECIES]; // combined "detector response probability"
237 Int_t fStopVertex; // Index of the stop vertex
239 //Track parameters constrained to the primary vertex
240 AliExternalTrackParam *fCp;
241 Double_t fCchi2; //chi2 at the primary vertex
243 //Track parameters at the inner wall of the TPC
244 AliExternalTrackParam *fIp;
246 //Track parameters at the inner wall of the TRD
247 AliExternalTrackParam *fOp;
249 // ITS related track information
250 Float_t fITSchi2; // chi2 in the ITS
251 Float_t fITSchi2MIP[kMaxITScluster]; // chi2s in the ITS
252 Int_t fITSncls; // number of clusters assigned in the ITS
253 Int_t fITSindex[kMaxITScluster]; //! indices of the assigned ITS clusters
254 Float_t fITSsignal; // detector's PID signal
255 Float_t fITSr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID)
256 Int_t fITSLabel; // label according TPC
257 Float_t fITSFakeRatio; // ration of fake tracks
258 AliKalmanTrack * fITStrack; //! OWNER: pointer to the ITS track -- currently for debug purpose
260 // TPC related track information
261 Float_t fTPCchi2; // chi2 in the TPC
262 Int_t fTPCncls; // number of clusters assigned in the TPC
263 UShort_t fTPCnclsF; // number of findable clusters in the TPC
264 Int_t fTPCindex[kMaxTPCcluster]; //! indices of the assigned TPC clusters
265 TBits fTPCClusterMap; // Map of clusters, one bit per padrow; 1 if has a cluster on given padrow
266 Float_t fTPCsignal; // detector's PID signal
267 UShort_t fTPCsignalN; // number of points used for dEdx
268 Float_t fTPCsignalS; // RMS of dEdx measurement
269 Float_t fTPCr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID)
270 Int_t fTPCLabel; // label according TPC
271 Float_t fTPCPoints[4]; // TPC points -first, max. dens, last and max density
272 Int_t fKinkIndexes[3]; // array of indexes of posible kink candidates
273 Int_t fV0Indexes[3]; // array of indexes of posible kink candidates
275 // TRD related track information
276 Float_t fTRDchi2; // chi2 in the TRD
277 Int_t fTRDncls; // number of clusters assigned in the TRD
278 Int_t fTRDncls0; // number of clusters assigned in the TRD before first material cross
279 Int_t fTRDindex[kMaxTRDcluster]; //! indices of the assigned TRD clusters
280 Float_t fTRDsignal; // detector's PID signal
281 Float_t fTRDsignals[kNPlane]; // TRD signals from all six planes
282 Int_t fTRDTimBin[kNPlane]; // Time bin of Max cluster from all six planes
283 Float_t fTRDr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID)
284 Int_t fTRDLabel; // label according TRD
285 Float_t fTRDQuality; //trd quality factor for TOF
286 Float_t fTRDBudget; //trd material budget
287 AliKalmanTrack * fTRDtrack; //! OWNER: pointer to the TRD track -- currently for debug purpose
289 // TOF related track information
290 Float_t fTOFchi2; // chi2 in the TOF
291 Int_t fTOFindex; // index of the assigned TOF cluster
292 Int_t fTOFCalChannel; // Channel Index of the TOF Signal
293 Float_t fTOFsignal; // detector's PID signal
294 Float_t fTOFsignalToT; // detector's ToT signal
295 Float_t fTOFr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID)
296 Int_t fTOFLabel[3]; // TOF label
297 Float_t fTOFInfo[10]; //! TOF informations
299 // HMPID related track information
300 Float_t fRICHchi2; // chi2 in the RICH
301 Int_t fRICHncls; // number of photon clusters
302 Int_t fRICHindex; // index of the assigned MIP cluster
303 Float_t fRICHsignal; // RICH PID signal
304 Float_t fRICHr[AliPID::kSPECIES];// "detector response probabilities" (for the PID)
305 Float_t fRICHtheta; // theta of the track extrapolated to the RICH
306 Float_t fRICHphi; // phi of the track extrapolated to the RICH
307 Float_t fRICHdx; // x of the track impact minus x of the MIP
308 Float_t fRICHdy; // y of the track impact minus y of the MIP
309 Float_t fRICHmipX; // x of the MIP in LORS
310 Float_t fRICHmipY; // y of the MIP in LORS
312 AliTrackPointArray *fPoints; // Array which contains the track space points in the global frame
314 ClassDef(AliESDtrack,26) //ESDtrack