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"
28 #include "AliESDfriendTrack.h"
33 class AliTrackPointArray;
35 class AliESDtrack : public AliExternalTrackParam {
38 AliESDtrack(const AliESDtrack& track);
39 AliESDtrack(TParticle * part);
40 virtual ~AliESDtrack();
41 const AliESDfriendTrack *GetFriendTrack() const {return fFriendTrack;}
42 void SetFriendTrack(const AliESDfriendTrack *t) {
43 delete fFriendTrack; fFriendTrack=new AliESDfriendTrack(*t);
45 void AddCalibObject(TObject * object); // add calib object to the list
46 TObject * GetCalibObject(Int_t index); // return calib objct at given position
47 void MakeMiniESDtrack();
48 void SetID(Int_t id) { fID =id;}
49 Int_t GetID() const { return fID;}
50 void SetStatus(ULong_t flags) {fFlags|=flags;}
51 void ResetStatus(ULong_t flags) {fFlags&=~flags;}
52 Bool_t UpdateTrackParams(const AliKalmanTrack *t, ULong_t flags);
53 void SetIntegratedLength(Double_t l) {fTrackLength=l;}
54 void SetIntegratedTimes(const Double_t *times);
55 void SetESDpid(const Double_t *p);
56 void GetESDpid(Double_t *p) const;
58 Bool_t IsOn(Int_t mask) const {return (fFlags&mask)>0;}
59 ULong_t GetStatus() const {return fFlags;}
60 Int_t GetLabel() const {return fLabel;}
61 void SetLabel(Int_t label) {fLabel = label;}
63 void GetExternalParameters(Double_t &x, Double_t p[5]) const;
64 void GetExternalCovariance(Double_t cov[15]) const;
66 Double_t GetIntegratedLength() const {return fTrackLength;}
67 void GetIntegratedTimes(Double_t *times) const;
68 Double_t GetMass() const;
70 Bool_t GetConstrainedPxPyPz(Double_t *p) const {
71 if (!fCp) return kFALSE;
72 return fCp->GetPxPyPz(p);
74 Bool_t GetConstrainedXYZ(Double_t *r) const {
75 if (!fCp) return kFALSE;
76 return fCp->GetXYZ(r);
78 const AliExternalTrackParam *GetConstrainedParam() const {return fCp;}
79 Bool_t GetConstrainedExternalParameters
80 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
81 Bool_t GetConstrainedExternalCovariance(Double_t cov[15]) const;
82 Double_t GetConstrainedChi2() const {return fCchi2;}
85 Bool_t GetInnerPxPyPz(Double_t *p) const {
86 if (!fIp) return kFALSE;
87 return fIp->GetPxPyPz(p);
89 const AliExternalTrackParam * GetInnerParam() const { return fIp;}
90 Bool_t GetInnerXYZ(Double_t *r) const {
91 if (!fIp) return kFALSE;
92 return fIp->GetXYZ(r);
94 Bool_t GetInnerExternalParameters
95 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
96 Bool_t GetInnerExternalCovariance(Double_t cov[15]) const;
98 const AliExternalTrackParam * GetOuterParam() const { return fOp;}
99 Bool_t GetOuterPxPyPz(Double_t *p) const {
100 if (!fOp) return kFALSE;
101 return fOp->GetPxPyPz(p);
103 Bool_t GetOuterXYZ(Double_t *r) const {
104 if (!fOp) return kFALSE;
105 return fOp->GetXYZ(r);
107 Bool_t GetOuterExternalParameters
108 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
109 Bool_t GetOuterExternalCovariance(Double_t cov[15]) const;
112 Int_t GetNcls(Int_t idet) const;
113 Int_t GetClusters(Int_t idet, Int_t *idx) const;
115 void SetITSpid(const Double_t *p);
116 void GetITSpid(Double_t *p) const;
117 Float_t GetITSsignal() const {return fITSsignal;}
118 Float_t GetITSchi2() const {return fITSchi2;}
119 Int_t GetITSclusters(Int_t *idx) const;
120 Int_t GetITSLabel() const {return fITSLabel;}
121 void SetITStrack(AliKalmanTrack * track){
122 fFriendTrack->SetITStrack(track);
124 AliKalmanTrack *GetITStrack(){
125 return fFriendTrack->GetITStrack();
128 void SetTPCpid(const Double_t *p);
129 void GetTPCpid(Double_t *p) const;
130 void SetTPCPoints(Float_t points[4]){
131 for (Int_t i=0;i<4;i++) fTPCPoints[i]=points[i];
133 void SetTPCPointsF(UChar_t findable){fTPCnclsF = findable;}
134 Int_t GetTPCNcls() const { return fTPCncls;}
135 Int_t GetTPCNclsF() const { return fTPCnclsF;}
136 Float_t GetTPCPoints(Int_t i) const {return fTPCPoints[i];}
137 void SetKinkIndexes(Int_t points[3]) {
138 for (Int_t i=0;i<3;i++) fKinkIndexes[i] = points[i];
140 void SetV0Indexes(Int_t points[3]) {
141 for (Int_t i=0;i<3;i++) fV0Indexes[i] = points[i];
143 void SetTPCsignal(Float_t signal, Float_t sigma, UChar_t npoints){
144 fTPCsignal = signal; fTPCsignalS = sigma; fTPCsignalN = npoints;
146 Float_t GetTPCsignal() const {return fTPCsignal;}
147 Float_t GetTPCsignalSigma() const {return fTPCsignalS;}
148 Float_t GetTPCsignalN() const {return fTPCsignalN;}
149 Float_t GetTPCchi2() const {return fTPCchi2;}
150 Int_t GetTPCclusters(Int_t *idx) const;
151 Float_t GetTPCdensity(Int_t row0, Int_t row1) const;
152 Int_t GetTPCLabel() const {return fTPCLabel;}
153 Int_t GetKinkIndex(Int_t i) const { return fKinkIndexes[i];}
154 Int_t GetV0Index(Int_t i) const { return fV0Indexes[i];}
155 const TBits& GetTPCClusterMap() const {return fTPCClusterMap;}
157 void SetTRDpid(const Double_t *p);
158 void SetTRDQuality(Float_t quality){fTRDQuality=quality;}
159 Float_t GetTRDQuality()const {return fTRDQuality;}
160 void SetTRDBudget(Float_t budget){fTRDBudget=budget;}
161 Float_t GetTRDBudget()const {return fTRDBudget;}
162 void SetTRDsignals(Float_t dedx, Int_t i, Int_t j) {fTRDsignals[i][j]=dedx;}
163 void SetTRDTimBin(Int_t timbin, Int_t i) {fTRDTimBin[i]=timbin;}
164 void GetTRDpid(Double_t *p) const;
165 Float_t GetTRDsignal() const {return fTRDsignal;}
166 Float_t GetTRDsignals(Int_t iPlane, Int_t iSlice=-1) const { if (iSlice == -1)
167 return (fTRDsignals[iPlane][0] + fTRDsignals[iPlane][1] + fTRDsignals[iPlane][2])/3.0;
168 return fTRDsignals[iPlane][iSlice];
170 Int_t GetTRDTimBin(Int_t i) const {return fTRDTimBin[i];}
171 Float_t GetTRDchi2() const {return fTRDchi2;}
172 Int_t GetTRDclusters(Int_t *idx) const;
173 Int_t GetTRDncls() const {return fTRDncls;}
174 void SetTRDpid(Int_t iSpecies, Float_t p);
175 Float_t GetTRDpid(Int_t iSpecies) const;
176 Int_t GetTRDLabel() const {return fTRDLabel;}
178 void SetTRDtrack(AliKalmanTrack * track){
179 fFriendTrack->SetTRDtrack(track);
181 AliKalmanTrack *GetTRDtrack(){
182 return fFriendTrack->GetTRDtrack();
185 void SetTOFsignal(Double_t tof) {fTOFsignal=tof;}
186 Float_t GetTOFsignal() const {return fTOFsignal;}
187 void SetTOFsignalToT(Double_t ToT) {fTOFsignalToT=ToT;}
188 Float_t GetTOFsignalToT() const {return fTOFsignalToT;}
189 Float_t GetTOFchi2() const {return fTOFchi2;}
190 void SetTOFpid(const Double_t *p);
191 void SetTOFLabel(const Int_t *p);
192 void GetTOFpid(Double_t *p) const;
193 void GetTOFLabel(Int_t *p) const;
194 void GetTOFInfo(Float_t *info) const;
195 void SetTOFInfo(Float_t *info);
196 Int_t GetTOFCalChannel() const {return fTOFCalChannel;}
197 Int_t GetTOFcluster() const {return fTOFindex;}
198 void SetTOFcluster(Int_t index) {fTOFindex=index;}
199 void SetTOFCalChannel(Int_t index) {fTOFCalChannel=index;}
201 // RICH methodes +++++++++++++++++++++++++++++++++ (kir)
202 void SetRICHsignal(Double_t theta) {fRICHsignal=theta;}
203 Float_t GetRICHsignal() const {return fRICHsignal;}
204 void SetRICHpid(const Double_t *p);
205 void GetRICHpid(Double_t *p) const;
206 void SetRICHchi2(Double_t chi2) {fRICHchi2=chi2;}
207 Float_t GetRICHchi2() const {return fRICHchi2;}
208 void SetRICHcluster(Int_t index) {fRICHcluIdx=index;}
209 Int_t GetRICHcluster() const {return fRICHcluIdx;}
210 void SetRICHcluIdx(Int_t ch,Int_t idx) {fRICHcluIdx=ch*1000000+idx;}
211 Int_t GetRICHcluIdx() const {return fRICHcluIdx;}
212 void SetRICHtrk(Float_t x, Float_t y, Float_t th, Float_t ph) {
213 fRICHtrkX=x; fRICHtrkY=y; fRICHtrkTheta=th; fRICHtrkPhi=ph;
215 void GetRICHtrk(Float_t &x, Float_t &y, Float_t &th, Float_t &ph) const {
216 x=fRICHtrkX; y=fRICHtrkY; th=fRICHtrkTheta; ph=fRICHtrkPhi;
218 void SetRICHmip(Float_t x, Float_t y, Int_t q, Int_t nph=0) {
219 fRICHmipX=x; fRICHmipY=y; fRICHqn=100000*q+nph;
221 void GetRICHmip(Float_t &x,Float_t &y,Int_t &q,Int_t &nph) const {
222 x=fRICHmipX; y=fRICHmipY; q=fRICHqn/1000000; nph=fRICHqn%1000000;
224 Bool_t IsRICH() const {return fFlags&kRICHpid;}
227 Int_t GetEMCALcluster() {return fEMCALindex;}
228 void SetEMCALcluster(Int_t index) {fEMCALindex=index;}
229 Bool_t IsEMCAL() const {return fFlags&kEMCALmatch;}
231 void SetTrackPointArray(AliTrackPointArray *points) {
232 fFriendTrack->SetTrackPointArray(points);
234 const AliTrackPointArray *GetTrackPointArray() const {
235 return fFriendTrack->GetTrackPointArray();
237 Bool_t RelateToVertex(const AliESDVertex *vtx, Double_t b, Double_t maxd);
238 void GetImpactParameters(Float_t &xy,Float_t &z) const {xy=fD; z=fZ;}
239 void GetImpactParameters(Float_t p[2], Float_t cov[3]) const {
240 p[0]=fD; p[1]=fZ; cov[0]=fCdd; cov[1]=fCdz; cov[2]=fCzz;
242 virtual void Print(Option_t * opt) const ;
245 Bool_t PropagateTo(Double_t x, Double_t b, Double_t mass, Double_t maxStep,
246 Bool_t rotateTo=kTRUE, Double_t maxSnp=0.8);
249 kITSin=0x0001,kITSout=0x0002,kITSrefit=0x0004,kITSpid=0x0008,
250 kTPCin=0x0010,kTPCout=0x0020,kTPCrefit=0x0040,kTPCpid=0x0080,
251 kTRDin=0x0100,kTRDout=0x0200,kTRDrefit=0x0400,kTRDpid=0x0800,
252 kTOFin=0x1000,kTOFout=0x2000,kTOFrefit=0x4000,kTOFpid=0x8000,
263 kEMCALNoMatch = -999999999
268 ULong_t fFlags; // Reconstruction status flags
269 Int_t fLabel; // Track label
270 Int_t fID; // Unique ID of the track
271 Float_t fTrackLength; // Track length
272 Float_t fD; // Impact parameter in XY plane
273 Float_t fZ; // Impact parameter in Z
274 Float_t fCdd,fCdz,fCzz; // Covariance matrix of the impact parameters
275 Float_t fTrackTime[AliPID::kSPECIES]; // TOFs estimated by the tracking
276 Float_t fR[AliPID::kSPECIES]; // combined "detector response probability"
278 Int_t fStopVertex; // Index of the stop vertex
280 AliExternalTrackParam *fCp; // Track parameters constrained to the primary vertex
281 Double_t fCchi2; // chi2 at the primary vertex
284 AliExternalTrackParam *fIp; // Track parameters at the first measured point (TPC)
287 AliExternalTrackParam *fOp; // Track parameters at the last measured point (TPC or TRD)
289 // ITS related track information
290 Float_t fITSchi2; // chi2 in the ITS
291 Int_t fITSncls; // number of clusters assigned in the ITS
292 Float_t fITSsignal; // detector's PID signal
293 Float_t fITSr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID)
294 Int_t fITSLabel; // label according TPC
296 // TPC related track information
297 Float_t fTPCchi2; // chi2 in the TPC
298 Int_t fTPCncls; // number of clusters assigned in the TPC
299 UShort_t fTPCnclsF; // number of findable clusters in the TPC
300 TBits fTPCClusterMap; // Map of clusters, one bit per padrow; 1 if has a cluster on given padrow
301 Float_t fTPCsignal; // detector's PID signal
302 UShort_t fTPCsignalN; // number of points used for dEdx
303 Float_t fTPCsignalS; // RMS of dEdx measurement
304 Float_t fTPCr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID)
305 Int_t fTPCLabel; // label according TPC
306 Float_t fTPCPoints[4]; // TPC points -first, max. dens, last and max density
307 Int_t fKinkIndexes[3];// array of indexes of posible kink candidates
308 Int_t fV0Indexes[3]; // array of indexes of posible kink candidates
310 // TRD related track information
311 Float_t fTRDchi2; // chi2 in the TRD
312 Int_t fTRDncls; // number of clusters assigned in the TRD
313 Int_t fTRDncls0; // number of clusters assigned in the TRD before first material cross
314 Float_t fTRDsignal; // detector's PID signal
315 Float_t fTRDsignals[kNPlane][kNSlice]; // TRD signals from all six planes in 3 slices each
316 Int_t fTRDTimBin[kNPlane]; // Time bin of Max cluster from all six planes
317 Float_t fTRDr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID)
318 Int_t fTRDLabel; // label according TRD
319 Float_t fTRDQuality; // trd quality factor for TOF
320 Float_t fTRDBudget; // trd material budget
323 // TOF related track information
324 Float_t fTOFchi2; // chi2 in the TOF
325 Int_t fTOFindex; // index of the assigned TOF cluster
326 Int_t fTOFCalChannel; // Channel Index of the TOF Signal
327 Float_t fTOFsignal; // detector's PID signal
328 Float_t fTOFsignalToT; // detector's ToT signal
329 Float_t fTOFr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID)
330 Int_t fTOFLabel[3]; // TOF label
331 Float_t fTOFInfo[10]; //! TOF informations
333 // HMPID related track information (kir)
334 Float_t fRICHchi2; // chi2 in the RICH
335 Int_t fRICHqn; // 1000000*QDC + number of photon clusters
336 Int_t fRICHcluIdx; // 1000000*chamber id + cluster idx of the assigned MIP cluster
337 Float_t fRICHsignal; // RICH PID signal (Theta ckov, rad)
338 Float_t fRICHr[AliPID::kSPECIES];// "detector response probabilities" (for the PID)
339 Float_t fRICHtrkTheta; // theta of the track extrapolated to the RICH, LORS
340 Float_t fRICHtrkPhi; // phi of the track extrapolated to the RICH, LORS
341 Float_t fRICHtrkX; // x of the track impact, LORS
342 Float_t fRICHtrkY; // y of the track impact, LORS
343 Float_t fRICHmipX; // x of the MIP in LORS
344 Float_t fRICHmipY; // y of the MIP in LORS
346 // EMCAL related track information
347 Int_t fEMCALindex; // index of associated EMCAL cluster (AliESDCaloCluster)
349 AliESDfriendTrack *fFriendTrack; //! All the complementary information
353 AliESDtrack & operator=(const AliESDtrack & ) {return *this;}
355 ClassDef(AliESDtrack,33) //ESDtrack