4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
9 //-------------------------------------------------------------------------
11 // This is the class to deal with during the physics analysis of data
13 // Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch
14 //-------------------------------------------------------------------------
15 /*****************************************************************************
16 * Use GetExternalParameters() and GetExternalCovariance() to access the *
17 * track information regardless of its internal representation. *
18 * This formation is now fixed in the following way: *
19 * external param0: local Y-coordinate of a track (cm) *
20 * external param1: local Z-coordinate of a track (cm) *
21 * external param2: local sine of the track momentum azimuthal angle *
22 * external param3: tangent of the track momentum dip angle *
23 * external param4: 1/pt (1/(GeV/c)) *
24 *****************************************************************************/
27 #include "AliExternalTrackParam.h"
29 #include "AliESDfriendTrack.h"
34 class AliTrackPointArray;
36 class AliESDtrack : public AliExternalTrackParam {
39 AliESDtrack(const AliESDtrack& track);
40 AliESDtrack(TParticle * part);
41 virtual ~AliESDtrack();
42 const AliESDfriendTrack *GetFriendTrack() const {return fFriendTrack;}
43 void SetFriendTrack(const AliESDfriendTrack *t) {
44 delete fFriendTrack; fFriendTrack=new AliESDfriendTrack(*t);
47 void ReleaseESDfriendTrack() { delete fFriendTrack; fFriendTrack=0; }
48 void AddCalibObject(TObject * object); // add calib object to the list
49 TObject * GetCalibObject(Int_t index); // return calib objct at given position
50 void MakeMiniESDtrack();
51 void SetID(Int_t id) { fID =id;}
52 Int_t GetID() const { return fID;}
53 void SetStatus(ULong_t flags) {fFlags|=flags;}
54 void ResetStatus(ULong_t flags) {fFlags&=~flags;}
55 Bool_t UpdateTrackParams(const AliKalmanTrack *t, ULong_t flags);
56 void SetIntegratedLength(Double_t l) {fTrackLength=l;}
57 void SetIntegratedTimes(const Double_t *times);
58 void SetESDpid(const Double_t *p);
59 void GetESDpid(Double_t *p) const;
61 Bool_t IsOn(Int_t mask) const {return (fFlags&mask)>0;}
62 ULong_t GetStatus() const {return fFlags;}
63 Int_t GetLabel() const {return fLabel;}
64 void SetLabel(Int_t label) {fLabel = label;}
66 void GetExternalParameters(Double_t &x, Double_t p[5]) const;
67 void GetExternalCovariance(Double_t cov[15]) const;
69 Double_t GetIntegratedLength() const {return fTrackLength;}
70 void GetIntegratedTimes(Double_t *times) const;
71 Double_t GetMass() const;
72 Double_t M() const { return GetMass(); }
76 Bool_t GetConstrainedPxPyPz(Double_t *p) const {
77 if (!fCp) return kFALSE;
78 return fCp->GetPxPyPz(p);
80 Bool_t GetConstrainedXYZ(Double_t *r) const {
81 if (!fCp) return kFALSE;
82 return fCp->GetXYZ(r);
84 const AliExternalTrackParam *GetConstrainedParam() const {return fCp;}
85 Bool_t GetConstrainedExternalParameters
86 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
87 Bool_t GetConstrainedExternalCovariance(Double_t cov[15]) const;
88 Double_t GetConstrainedChi2() const {return fCchi2;}
93 Bool_t GetInnerPxPyPz(Double_t *p) const {
94 if (!fIp) return kFALSE;
95 return fIp->GetPxPyPz(p);
97 const AliExternalTrackParam * GetInnerParam() const { return fIp;}
98 const AliExternalTrackParam * GetTPCInnerParam() const {return fTPCInner;}
99 Bool_t GetInnerXYZ(Double_t *r) const {
100 if (!fIp) return kFALSE;
101 return fIp->GetXYZ(r);
103 Bool_t GetInnerExternalParameters
104 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
105 Bool_t GetInnerExternalCovariance(Double_t cov[15]) const;
107 const AliExternalTrackParam * GetOuterParam() const { return fOp;}
108 Bool_t GetOuterPxPyPz(Double_t *p) const {
109 if (!fOp) return kFALSE;
110 return fOp->GetPxPyPz(p);
112 Bool_t GetOuterXYZ(Double_t *r) const {
113 if (!fOp) return kFALSE;
114 return fOp->GetXYZ(r);
116 Bool_t GetOuterExternalParameters
117 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
118 Bool_t GetOuterExternalCovariance(Double_t cov[15]) const;
121 Int_t GetNcls(Int_t idet) const;
122 Int_t GetClusters(Int_t idet, Int_t *idx) const;
124 void SetITSpid(const Double_t *p);
125 void GetITSpid(Double_t *p) const;
126 Double_t GetITSsignal() const {return fITSsignal;}
127 Double_t GetITSchi2() const {return fITSchi2;}
128 Char_t GetITSclusters(Int_t *idx) const;
129 UChar_t GetITSClusterMap() const {return fITSClusterMap;}
130 void SetITSModuleIndex(Int_t ilayer,Int_t idx) {fITSModule[ilayer]=idx;}
131 Int_t GetITSModuleIndex(Int_t ilayer) const {return fITSModule[ilayer];}
132 Bool_t GetITSModuleIndexInfo(Int_t ilayer,Int_t &idet,Int_t &status,
133 Float_t &xloc,Float_t &zloc) const;
134 Int_t GetITSLabel() const {return fITSLabel;}
135 void SetITStrack(AliKalmanTrack * track){
136 fFriendTrack->SetITStrack(track);
138 AliKalmanTrack *GetITStrack(){
139 return fFriendTrack->GetITStrack();
142 void SetTPCpid(const Double_t *p);
143 void GetTPCpid(Double_t *p) const;
144 void SetTPCPoints(Float_t points[4]){
145 for (Int_t i=0;i<4;i++) fTPCPoints[i]=points[i];
147 void SetTPCPointsF(UChar_t findable){fTPCnclsF = findable;}
148 UShort_t GetTPCNcls() const { return fTPCncls;}
149 UShort_t GetTPCNclsF() const { return fTPCnclsF;}
150 Double_t GetTPCPoints(Int_t i) const {return fTPCPoints[i];}
151 void SetKinkIndexes(Int_t points[3]) {
152 for (Int_t i=0;i<3;i++) fKinkIndexes[i] = points[i];
154 void SetV0Indexes(Int_t points[3]) {
155 for (Int_t i=0;i<3;i++) fV0Indexes[i] = points[i];
157 void SetTPCsignal(Float_t signal, Float_t sigma, UChar_t npoints){
158 fTPCsignal = signal; fTPCsignalS = sigma; fTPCsignalN = npoints;
160 Double_t GetTPCsignal() const {return fTPCsignal;}
161 Double_t GetTPCsignalSigma() const {return fTPCsignalS;}
162 UShort_t GetTPCsignalN() const {return fTPCsignalN;}
163 Double_t GetTPCchi2() const {return fTPCchi2;}
164 UShort_t GetTPCclusters(Int_t *idx) const;
165 Double_t GetTPCdensity(Int_t row0, Int_t row1) const;
166 Int_t GetTPCLabel() const {return fTPCLabel;}
167 Int_t GetKinkIndex(Int_t i) const { return fKinkIndexes[i];}
168 Int_t GetV0Index(Int_t i) const { return fV0Indexes[i];}
169 const TBits& GetTPCClusterMap() const {return fTPCClusterMap;}
170 const TBits& GetTPCSharedMap() const {return fTPCSharedMap;}
171 void SetTPCClusterMap(const TBits amap) {fTPCClusterMap = amap;}
172 void SetTPCSharedMap(const TBits amap) {fTPCSharedMap = amap;}
173 void SetTRDpid(const Double_t *p);
176 void SetTRDpidQuality(UChar_t q){fTRDpidQuality = q;}
177 UChar_t GetTRDpidQuality() const {return fTRDpidQuality;}
180 void SetTRDQuality(Float_t quality){fTRDQuality=quality;}
181 Double_t GetTRDQuality()const {return fTRDQuality;}
182 void SetTRDBudget(Float_t budget){fTRDBudget=budget;}
183 Double_t GetTRDBudget()const {return fTRDBudget;}
184 void SetTRDsignals(Float_t dedx, Int_t i, Int_t j) {fTRDsignals[i][j]=dedx;}
185 void SetTRDTimBin(Int_t timbin, Int_t i) {fTRDTimBin[i]=timbin;}
186 void GetTRDpid(Double_t *p) const;
187 Double_t GetTRDsignal() const {return fTRDsignal;}
188 Double_t GetTRDsignals(Int_t iPlane, Int_t iSlice=-1) const { if (iSlice == -1)
189 return (fTRDsignals[iPlane][0] + fTRDsignals[iPlane][1] + fTRDsignals[iPlane][2])/3.0;
190 return fTRDsignals[iPlane][iSlice];
192 Char_t GetTRDTimBin(Int_t i) const {return fTRDTimBin[i];}
193 Double_t GetTRDchi2() const {return fTRDchi2;}
194 UChar_t GetTRDclusters(Int_t *idx) const;
195 UChar_t GetTRDncls() const {return fTRDncls;}
196 void SetTRDpid(Int_t iSpecies, Float_t p);
197 Double_t GetTRDpid(Int_t iSpecies) const;
198 Int_t GetTRDLabel() const {return fTRDLabel;}
200 void SetTRDtrack(AliKalmanTrack * track){
201 fFriendTrack->SetTRDtrack(track);
203 AliKalmanTrack *GetTRDtrack(){
204 return fFriendTrack->GetTRDtrack();
207 void SetTOFsignal(Double_t tof) {fTOFsignal=tof;}
208 Double_t GetTOFsignal() const {return fTOFsignal;}
209 void SetTOFsignalToT(Double_t ToT) {fTOFsignalToT=ToT;}
210 Double_t GetTOFsignalToT() const {return fTOFsignalToT;}
211 void SetTOFsignalRaw(Double_t tof) {fTOFsignalRaw=tof;}
212 Double_t GetTOFsignalRaw() const {return fTOFsignalRaw;}
213 void SetTOFsignalDz(Double_t dz) {fTOFsignalDz=dz;}
214 Double_t GetTOFsignalDz() const {return fTOFsignalDz;}
215 Double_t GetTOFchi2() const {return fTOFchi2;}
216 void SetTOFpid(const Double_t *p);
217 void SetTOFLabel(const Int_t *p);
218 void GetTOFpid(Double_t *p) const;
219 void GetTOFLabel(Int_t *p) const;
220 void GetTOFInfo(Float_t *info) const;
221 void SetTOFInfo(Float_t *info);
222 Int_t GetTOFCalChannel() const {return fTOFCalChannel;}
223 Int_t GetTOFcluster() const {return fTOFindex;}
224 void SetTOFcluster(Int_t index) {fTOFindex=index;}
225 void SetTOFCalChannel(Int_t index) {fTOFCalChannel=index;}
227 // HMPID methodes +++++++++++++++++++++++++++++++++ (kir)
228 void SetHMPIDsignal(Double_t theta) {fHMPIDsignal=theta;}
229 Double_t GetHMPIDsignal() const {return fHMPIDsignal;}
230 void SetHMPIDpid(const Double_t *p);
231 void GetHMPIDpid(Double_t *p) const;
232 void SetHMPIDchi2(Double_t chi2) {fHMPIDchi2=chi2;}
233 Double_t GetHMPIDchi2() const {return fHMPIDchi2;}
234 void SetHMPIDcluIdx(Int_t ch,Int_t idx) {fHMPIDcluIdx=ch*1000000+idx;}
235 Int_t GetHMPIDcluIdx() const {return fHMPIDcluIdx;}
236 void SetHMPIDtrk(Float_t x, Float_t y, Float_t th, Float_t ph) {
237 fHMPIDtrkX=x; fHMPIDtrkY=y; fHMPIDtrkTheta=th; fHMPIDtrkPhi=ph;
239 void GetHMPIDtrk(Float_t &x, Float_t &y, Float_t &th, Float_t &ph) const {
240 x=fHMPIDtrkX; y=fHMPIDtrkY; th=fHMPIDtrkTheta; ph=fHMPIDtrkPhi;
242 void SetHMPIDmip(Float_t x, Float_t y, Int_t q, Int_t nph=0) {
243 fHMPIDmipX=x; fHMPIDmipY=y; fHMPIDqn=1000000*q+nph;
245 void GetHMPIDmip(Float_t &x,Float_t &y,Int_t &q,Int_t &nph) const {
246 x=fHMPIDmipX; y=fHMPIDmipY; q=fHMPIDqn/1000000; nph=fHMPIDqn%1000000;
248 Bool_t IsHMPID() const {return fFlags&kHMPIDpid;}
251 Int_t GetEMCALcluster() {return fEMCALindex;}
252 void SetEMCALcluster(Int_t index) {fEMCALindex=index;}
253 Bool_t IsEMCAL() const {return fFlags&kEMCALmatch;}
255 void SetTrackPointArray(AliTrackPointArray *points) {
256 fFriendTrack->SetTrackPointArray(points);
258 const AliTrackPointArray *GetTrackPointArray() const {
259 return fFriendTrack->GetTrackPointArray();
261 Bool_t RelateToVertex(const AliESDVertex *vtx, Double_t b, Double_t maxd);
262 void GetImpactParameters(Float_t &xy,Float_t &z) const {xy=fD; z=fZ;}
263 void GetImpactParameters(Float_t p[2], Float_t cov[3]) const {
264 p[0]=fD; p[1]=fZ; cov[0]=fCdd; cov[1]=fCdz; cov[2]=fCzz;
266 virtual void Print(Option_t * opt) const ;
269 kITSin=0x0001,kITSout=0x0002,kITSrefit=0x0004,kITSpid=0x0008,
270 kTPCin=0x0010,kTPCout=0x0020,kTPCrefit=0x0040,kTPCpid=0x0080,
271 kTRDin=0x0100,kTRDout=0x0200,kTRDrefit=0x0400,kTRDpid=0x0800,
272 kTOFin=0x1000,kTOFout=0x2000,kTOFrefit=0x4000,kTOFpid=0x8000,
283 kEMCALNoMatch = -4096
287 AliExternalTrackParam *fCp; // Track parameters constrained to the primary vertex
288 AliExternalTrackParam *fIp; // Track parameters at the first measured point (TPC)
289 AliExternalTrackParam *fTPCInner; // Track parameters at the first measured point (TPC) - first itteration
290 AliExternalTrackParam *fOp; // Track parameters at the last measured point (TPC or TRD)
291 AliESDfriendTrack *fFriendTrack; //! All the complementary information
293 TBits fTPCClusterMap; // Map of clusters, one bit per padrow; 1 if has a cluster on given padrow
294 TBits fTPCSharedMap; // Map of clusters, one bit per padrow; 1 if has a shared cluster on given padrow
298 ULong_t fFlags; // Reconstruction status flags
299 Int_t fID; // Unique ID of the track
300 Int_t fLabel; // Track label
301 Int_t fITSLabel; // label according ITS
302 Int_t fITSModule[12]; // modules crossed by the track in the ITS
303 Int_t fTPCLabel; // label according TPC
304 Int_t fTRDLabel; // label according TRD
305 Int_t fTOFLabel[3]; // TOF label
306 Int_t fTOFCalChannel; // Channel Index of the TOF Signal
307 Int_t fTOFindex; // index of the assigned TOF cluster
308 Int_t fHMPIDqn; // 1000000*QDC + number of photon clusters
309 Int_t fHMPIDcluIdx; // 1000000*chamber id + cluster idx of the assigned MIP cluster
310 Int_t fEMCALindex; // index of associated EMCAL cluster (AliESDCaloCluster)
313 Int_t fKinkIndexes[3]; // array of indexes of posible kink candidates
314 Int_t fV0Indexes[3]; // array of indexes of posible kink candidates
316 Double32_t fR[AliPID::kSPECIES]; //[0.,1.,8] combined "detector response probability"
317 Double32_t fITSr[AliPID::kSPECIES]; //[0.,1.,8] "detector response probabilities" (for the PID)
318 Double32_t fTPCr[AliPID::kSPECIES]; //[0.,1.,8] "detector response probabilities" (for the PID)
319 Double32_t fTRDr[AliPID::kSPECIES]; //[0.,1.,8] "detector response probabilities" (for the PID)
320 Double32_t fTOFr[AliPID::kSPECIES]; //[0.,1.,8] "detector response probabilities" (for the PID)
321 Double32_t fHMPIDr[AliPID::kSPECIES];//[0.,1.,8] "detector response probabilities" (for the PID)
323 Double32_t fHMPIDtrkTheta;//[-2*pi,2*pi,16] theta of the track extrapolated to the HMPID, LORS
324 // how much of this is needed?
325 Double32_t fHMPIDtrkPhi; //[-2*pi,2*pi,16] phi of the track extrapolated to the HMPID, LORS
326 Double32_t fHMPIDsignal; // HMPID PID signal (Theta ckov, rad)
328 Double32_t fTrackTime[AliPID::kSPECIES]; // TOFs estimated by the tracking
329 Double32_t fTrackLength; // Track length
330 Double32_t fD; // Impact parameter in XY plane
331 Double32_t fZ; // Impact parameter in Z
332 Double32_t fCdd,fCdz,fCzz; // Covariance matrix of the impact parameters
334 Double32_t fCchi2; // chi2 at the primary vertex
335 Double32_t fITSchi2; // chi2 in the ITS
336 Double32_t fTPCchi2; // chi2 in the TPC
337 Double32_t fTRDchi2; // chi2 in the TRD
338 Double32_t fTOFchi2; // chi2 in the TOF
339 Double32_t fHMPIDchi2; // chi2 in the HMPID
342 Double32_t fITSsignal; // detector's PID signal
343 Double32_t fTPCsignal; // detector's PID signal
344 Double32_t fTPCsignalS; // RMS of dEdx measurement
345 Double32_t fTPCPoints[4]; // TPC points -first, max. dens, last and max density
347 Double32_t fTRDsignal; // detector's PID signal
348 Double32_t fTRDsignals[kNPlane][kNSlice]; // TRD signals from all six planes in 3 slices each
349 Double32_t fTRDQuality; // trd quality factor for TOF
350 Double32_t fTRDBudget; // trd material budget
352 Double32_t fTOFsignal; // detector's PID signal
353 Double32_t fTOFsignalToT; // detector's ToT signal
354 Double32_t fTOFsignalRaw; // detector's uncorrected time signal
355 Double32_t fTOFsignalDz; // local z of track's impact on the TOF pad
356 Double32_t fTOFInfo[10]; //! TOF informations
358 Double32_t fHMPIDtrkX; // x of the track impact, LORS
359 Double32_t fHMPIDtrkY; // y of the track impact, LORS
360 Double32_t fHMPIDmipX; // x of the MIP in LORS
361 Double32_t fHMPIDmipY; // y of the MIP in LORS
366 UShort_t fTPCncls; // number of clusters assigned in the TPC
367 UShort_t fTPCnclsF; // number of findable clusters in the TPC
368 UShort_t fTPCsignalN; // number of points used for dEdx
370 Char_t fITSncls; // number of clusters assigned in the ITS
371 UChar_t fITSClusterMap; // map of clusters, one bit per a layer
372 UChar_t fTRDncls; // number of clusters assigned in the TRD
373 UChar_t fTRDncls0; // number of clusters assigned in the TRD before first material cross
374 UChar_t fTRDpidQuality; // TRD PID quality according to number of planes. 6 is the best
375 Char_t fTRDTimBin[kNPlane]; // Time bin of Max cluster from all six planes
379 AliESDtrack & operator=(const AliESDtrack & ) {return *this;}
381 ClassDef(AliESDtrack,41) //ESDtrack