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;
37 class AliESDtrack : public AliExternalTrackParam {
40 kITSin=0x0001,kITSout=0x0002,kITSrefit=0x0004,kITSpid=0x0008,
41 kTPCin=0x0010,kTPCout=0x0020,kTPCrefit=0x0040,kTPCpid=0x0080,
42 kTRDin=0x0100,kTRDout=0x0200,kTRDrefit=0x0400,kTRDpid=0x0800,
43 kTOFin=0x1000,kTOFout=0x2000,kTOFrefit=0x4000,kTOFpid=0x8000,
56 AliESDtrack(const AliESDtrack& track);
57 AliESDtrack(TParticle * part);
58 virtual ~AliESDtrack();
59 virtual void Copy(TObject &obj) const;
60 const AliESDfriendTrack *GetFriendTrack() const {return fFriendTrack;}
61 void SetFriendTrack(const AliESDfriendTrack *t) {
62 delete fFriendTrack; fFriendTrack=new AliESDfriendTrack(*t);
64 void ReleaseESDfriendTrack() { delete fFriendTrack; fFriendTrack=0; }
65 void AddCalibObject(TObject * object); // add calib object to the list
66 TObject * GetCalibObject(Int_t index); // return calib objct at given position
67 void MakeMiniESDtrack();
68 void SetID(Int_t id) { fID =id;}
69 Int_t GetID() const { return fID;}
70 void SetStatus(ULong_t flags) {fFlags|=flags;}
71 void ResetStatus(ULong_t flags) {fFlags&=~flags;}
72 Bool_t UpdateTrackParams(const AliKalmanTrack *t, ULong_t flags);
73 void SetIntegratedLength(Double_t l) {fTrackLength=l;}
74 void SetIntegratedTimes(const Double_t *times);
75 void SetESDpid(const Double_t *p);
76 void GetESDpid(Double_t *p) const;
78 Bool_t IsOn(Int_t mask) const {return (fFlags&mask)>0;}
79 ULong_t GetStatus() const {return fFlags;}
80 Int_t GetLabel() const {return fLabel;}
81 void SetLabel(Int_t label) {fLabel = label;}
83 void GetExternalParameters(Double_t &x, Double_t p[5]) const;
84 void GetExternalCovariance(Double_t cov[15]) const;
86 Double_t GetIntegratedLength() const {return fTrackLength;}
87 void GetIntegratedTimes(Double_t *times) const;
88 Double_t GetMass() const;
89 Double_t M() const { return GetMass(); }
93 Bool_t GetConstrainedPxPyPz(Double_t *p) const {
94 if (!fCp) return kFALSE;
95 return fCp->GetPxPyPz(p);
97 Bool_t GetConstrainedXYZ(Double_t *r) const {
98 if (!fCp) return kFALSE;
99 return fCp->GetXYZ(r);
101 const AliExternalTrackParam *GetConstrainedParam() const {return fCp;}
102 Bool_t GetConstrainedExternalParameters
103 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
104 Bool_t GetConstrainedExternalCovariance(Double_t cov[15]) const;
105 Double_t GetConstrainedChi2() const {return fCchi2;}
110 Bool_t GetInnerPxPyPz(Double_t *p) const {
111 if (!fIp) return kFALSE;
112 return fIp->GetPxPyPz(p);
114 const AliExternalTrackParam * GetInnerParam() const { return fIp;}
115 const AliExternalTrackParam * GetTPCInnerParam() const {return fTPCInner;}
116 const Bool_t FillTPCOnlyTrack(AliESDtrack &track);
117 Bool_t GetInnerXYZ(Double_t *r) const {
118 if (!fIp) return kFALSE;
119 return fIp->GetXYZ(r);
121 Bool_t GetInnerExternalParameters
122 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
123 Bool_t GetInnerExternalCovariance(Double_t cov[15]) const;
125 const AliExternalTrackParam * GetOuterParam() const { return fOp;}
126 Bool_t GetOuterPxPyPz(Double_t *p) const {
127 if (!fOp) return kFALSE;
128 return fOp->GetPxPyPz(p);
130 Bool_t GetOuterXYZ(Double_t *r) const {
131 if (!fOp) return kFALSE;
132 return fOp->GetXYZ(r);
134 Bool_t GetOuterExternalParameters
135 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
136 Bool_t GetOuterExternalCovariance(Double_t cov[15]) const;
139 Int_t GetNcls(Int_t idet) const;
140 Int_t GetClusters(Int_t idet, Int_t *idx) const;
142 void SetITSpid(const Double_t *p);
143 void GetITSpid(Double_t *p) const;
144 Double_t GetITSsignal() const {return fITSsignal;}
145 Double_t GetITSchi2() const {return fITSchi2;}
146 Char_t GetITSclusters(Int_t *idx) const;
147 UChar_t GetITSClusterMap() const {return fITSClusterMap;}
148 void SetITSModuleIndex(Int_t ilayer,Int_t idx) {fITSModule[ilayer]=idx;}
149 Int_t GetITSModuleIndex(Int_t ilayer) const {return fITSModule[ilayer];}
150 Bool_t GetITSModuleIndexInfo(Int_t ilayer,Int_t &idet,Int_t &status,
151 Float_t &xloc,Float_t &zloc) const;
152 Int_t GetITSLabel() const {return fITSLabel;}
153 void SetITStrack(AliKalmanTrack * track){
154 fFriendTrack->SetITStrack(track);
156 AliKalmanTrack *GetITStrack(){
157 return fFriendTrack->GetITStrack();
159 Bool_t HasPointOnITSLayer(Int_t i) const {return TESTBIT(fITSClusterMap,i);}
161 void SetTPCpid(const Double_t *p);
162 void GetTPCpid(Double_t *p) const;
163 void SetTPCPoints(Float_t points[4]){
164 for (Int_t i=0;i<4;i++) fTPCPoints[i]=points[i];
166 void SetTPCPointsF(UChar_t findable){fTPCnclsF = findable;}
167 UShort_t GetTPCNcls() const { return fTPCncls;}
168 UShort_t GetTPCNclsF() const { return fTPCnclsF;}
169 Double_t GetTPCPoints(Int_t i) const {return fTPCPoints[i];}
170 void SetKinkIndexes(Int_t points[3]) {
171 for (Int_t i=0;i<3;i++) fKinkIndexes[i] = points[i];
173 void SetV0Indexes(Int_t points[3]) {
174 for (Int_t i=0;i<3;i++) fV0Indexes[i] = points[i];
176 void SetTPCsignal(Float_t signal, Float_t sigma, UChar_t npoints){
177 fTPCsignal = signal; fTPCsignalS = sigma; fTPCsignalN = npoints;
179 Double_t GetTPCsignal() const {return fTPCsignal;}
180 Double_t GetTPCsignalSigma() const {return fTPCsignalS;}
181 UShort_t GetTPCsignalN() const {return fTPCsignalN;}
182 Double_t GetTPCchi2() const {return fTPCchi2;}
183 UShort_t GetTPCclusters(Int_t *idx) const;
184 Double_t GetTPCdensity(Int_t row0, Int_t row1) const;
185 Int_t GetTPCLabel() const {return fTPCLabel;}
186 Int_t GetKinkIndex(Int_t i) const { return fKinkIndexes[i];}
187 Int_t GetV0Index(Int_t i) const { return fV0Indexes[i];}
188 const TBits& GetTPCClusterMap() const {return fTPCClusterMap;}
189 const TBits& GetTPCSharedMap() const {return fTPCSharedMap;}
190 void SetTPCClusterMap(const TBits amap) {fTPCClusterMap = amap;}
191 void SetTPCSharedMap(const TBits amap) {fTPCSharedMap = amap;}
193 void SetTRDpid(const Double_t *p);
196 void SetTRDpidQuality(UChar_t q){fTRDpidQuality = q;}
197 UChar_t GetTRDpidQuality() const {return fTRDpidQuality;}
200 void SetNumberOfTRDslices(Int_t n);
201 Int_t GetNumberOfTRDslices() const {return fTRDnSlices/kTRDnPlanes;}
202 void SetTRDslice(Double_t q, Int_t plane, Int_t slice);
203 Double_t GetTRDslice(Int_t plane, Int_t slice=-1) const;
205 void SetTRDQuality(Float_t quality){fTRDQuality=quality;}
206 Double_t GetTRDQuality()const {return fTRDQuality;}
207 void SetTRDBudget(Float_t budget){fTRDBudget=budget;}
208 Double_t GetTRDBudget()const {return fTRDBudget;}
210 void SetTRDTimBin(Int_t timbin, Int_t i) {fTRDTimBin[i]=timbin;}
211 void GetTRDpid(Double_t *p) const;
212 Double_t GetTRDsignal() const {return fTRDsignal;}
214 Char_t GetTRDTimBin(Int_t i) const {return fTRDTimBin[i];}
215 Double_t GetTRDchi2() const {return fTRDchi2;}
216 UChar_t GetTRDclusters(Int_t *idx) const;
217 UChar_t GetTRDncls() const {return fTRDncls;}
218 UChar_t GetTRDncls0() const {return fTRDncls0;}
219 UChar_t GetTRDtracklets(Int_t *idx) const;
220 void SetTRDpid(Int_t iSpecies, Float_t p);
221 Double_t GetTRDpid(Int_t iSpecies) const;
222 Int_t GetTRDLabel() const {return fTRDLabel;}
224 void SetTRDtrack(AliKalmanTrack * track){
225 fFriendTrack->SetTRDtrack(track);
227 AliKalmanTrack *GetTRDtrack(){
228 return fFriendTrack->GetTRDtrack();
231 void SetTOFsignal(Double_t tof) {fTOFsignal=tof;}
232 Double_t GetTOFsignal() const {return fTOFsignal;}
233 void SetTOFsignalToT(Double_t ToT) {fTOFsignalToT=ToT;}
234 Double_t GetTOFsignalToT() const {return fTOFsignalToT;}
235 void SetTOFsignalRaw(Double_t tof) {fTOFsignalRaw=tof;}
236 Double_t GetTOFsignalRaw() const {return fTOFsignalRaw;}
237 void SetTOFsignalDz(Double_t dz) {fTOFsignalDz=dz;}
238 Double_t GetTOFsignalDz() const {return fTOFsignalDz;}
239 Double_t GetTOFchi2() const {return fTOFchi2;}
240 void SetTOFpid(const Double_t *p);
241 void SetTOFLabel(const Int_t *p);
242 void GetTOFpid(Double_t *p) const;
243 void GetTOFLabel(Int_t *p) const;
244 void GetTOFInfo(Float_t *info) const;
245 void SetTOFInfo(Float_t *info);
246 Int_t GetTOFCalChannel() const {return fTOFCalChannel;}
247 Int_t GetTOFcluster() const {return fTOFindex;}
248 void SetTOFcluster(Int_t index) {fTOFindex=index;}
249 void SetTOFCalChannel(Int_t index) {fTOFCalChannel=index;}
251 // HMPID methodes +++++++++++++++++++++++++++++++++ (kir)
252 void SetHMPIDsignal(Double_t theta) {fHMPIDsignal=theta;}
253 Double_t GetHMPIDsignal() const {return fHMPIDsignal;}
254 void SetHMPIDpid(const Double_t *p);
255 void GetHMPIDpid(Double_t *p) const;
256 void SetHMPIDchi2(Double_t chi2) {fHMPIDchi2=chi2;}
257 Double_t GetHMPIDchi2() const {return fHMPIDchi2;}
258 void SetHMPIDcluIdx(Int_t ch,Int_t idx) {fHMPIDcluIdx=ch*1000000+idx;}
259 Int_t GetHMPIDcluIdx() const {return fHMPIDcluIdx;}
260 void SetHMPIDtrk(Float_t x, Float_t y, Float_t th, Float_t ph) {
261 fHMPIDtrkX=x; fHMPIDtrkY=y; fHMPIDtrkTheta=th; fHMPIDtrkPhi=ph;
263 void GetHMPIDtrk(Float_t &x, Float_t &y, Float_t &th, Float_t &ph) const {
264 x=fHMPIDtrkX; y=fHMPIDtrkY; th=fHMPIDtrkTheta; ph=fHMPIDtrkPhi;
266 void SetHMPIDmip(Float_t x, Float_t y, Int_t q, Int_t nph=0) {
267 fHMPIDmipX=x; fHMPIDmipY=y; fHMPIDqn=1000000*nph+q;
269 void GetHMPIDmip(Float_t &x,Float_t &y,Int_t &q,Int_t &nph) const {
270 x=fHMPIDmipX; y=fHMPIDmipY; q=fHMPIDqn%1000000; nph=fHMPIDqn/1000000;
272 Bool_t IsHMPID() const {return fFlags&kHMPIDpid;}
275 Int_t GetEMCALcluster() {return fEMCALindex;}
276 void SetEMCALcluster(Int_t index) {fEMCALindex=index;}
277 Bool_t IsEMCAL() const {return fFlags&kEMCALmatch;}
279 void SetTrackPointArray(AliTrackPointArray *points) {
280 fFriendTrack->SetTrackPointArray(points);
282 const AliTrackPointArray *GetTrackPointArray() const {
283 return fFriendTrack->GetTrackPointArray();
285 Bool_t RelateToVertexTPC(const AliESDVertex *vtx, Double_t b, Double_t maxd);
286 void GetImpactParametersTPC(Float_t &xy,Float_t &z) const {xy=fdTPC; z=fzTPC;}
287 void GetImpactParametersTPC(Float_t p[2], Float_t cov[3]) const {
288 p[0]=fdTPC; p[1]=fzTPC; cov[0]=fCddTPC; cov[1]=fCdzTPC; cov[2]=fCzzTPC;
290 Bool_t RelateToVertex(const AliESDVertex *vtx, Double_t b, Double_t maxd);
291 void GetImpactParameters(Float_t &xy,Float_t &z) const {xy=fD; z=fZ;}
292 void GetImpactParameters(Float_t p[2], Float_t cov[3]) const {
293 p[0]=fD; p[1]=fZ; cov[0]=fCdd; cov[1]=fCdz; cov[2]=fCzz;
295 virtual void Print(Option_t * opt) const ;
297 // visualization (M. Ivanov)
299 void FillPolymarker(TPolyMarker3D *pol, Float_t magf, Float_t minR, Float_t maxR, Float_t stepR);
303 AliExternalTrackParam *fCp; // Track parameters constrained to the primary vertex
304 AliExternalTrackParam *fIp; // Track parameters at the first measured point (TPC)
305 AliExternalTrackParam *fTPCInner; // Track parameters at the first measured point (TPC) - first itteration
306 AliExternalTrackParam *fOp; // Track parameters at the last measured point (TPC or TRD)
307 AliESDfriendTrack *fFriendTrack; //! All the complementary information
309 TBits fTPCClusterMap; // Map of clusters, one bit per padrow; 1 if has a cluster on given padrow
310 TBits fTPCSharedMap; // Map of clusters, one bit per padrow; 1 if has a shared cluster on given padrow
314 ULong_t fFlags; // Reconstruction status flags
315 Int_t fID; // Unique ID of the track
316 Int_t fLabel; // Track label
317 Int_t fITSLabel; // label according ITS
318 Int_t fITSModule[12]; // modules crossed by the track in the ITS
319 Int_t fTPCLabel; // label according TPC
320 Int_t fTRDLabel; // label according TRD
321 Int_t fTOFLabel[3]; // TOF label
322 Int_t fTOFCalChannel; // Channel Index of the TOF Signal
323 Int_t fTOFindex; // index of the assigned TOF cluster
324 Int_t fHMPIDqn; // 1000000*number of photon clusters + QDC
325 Int_t fHMPIDcluIdx; // 1000000*chamber id + cluster idx of the assigned MIP cluster
326 Int_t fEMCALindex; // index of associated EMCAL cluster (AliESDCaloCluster)
329 Int_t fKinkIndexes[3]; // array of indexes of posible kink candidates
330 Int_t fV0Indexes[3]; // array of indexes of posible kink candidates
332 Double32_t fR[AliPID::kSPECIES]; //[0.,0.,8] combined "detector response probability"
333 Double32_t fITSr[AliPID::kSPECIES]; //[0.,0.,8] "detector response probabilities" (for the PID)
334 Double32_t fTPCr[AliPID::kSPECIES]; //[0.,0.,8] "detector response probabilities" (for the PID)
335 Double32_t fTRDr[AliPID::kSPECIES]; //[0.,0.,8] "detector response probabilities" (for the PID)
336 Double32_t fTOFr[AliPID::kSPECIES]; //[0.,0.,8] "detector response probabilities" (for the PID)
337 Double32_t fHMPIDr[AliPID::kSPECIES];//[0.,0.,8] "detector response probabilities" (for the PID)
339 Double32_t fHMPIDtrkTheta;//[-2*pi,2*pi,16] theta of the track extrapolated to the HMPID, LORS
340 // how much of this is needed?
341 Double32_t fHMPIDtrkPhi; //[-2*pi,2*pi,16] phi of the track extrapolated to the HMPID, LORS
342 Double32_t fHMPIDsignal; // HMPID PID signal (Theta ckov, rad)
344 Double32_t fTrackTime[AliPID::kSPECIES]; // TOFs estimated by the tracking
345 Double32_t fTrackLength; // Track length
346 Double32_t fdTPC; // TPC-only impact parameter in XY plane
347 Double32_t fzTPC; // TPC-only impact parameter in Z
348 Double32_t fCddTPC,fCdzTPC,fCzzTPC; // Covariance matrix of the TPC-only impact parameters
349 Double32_t fD; // Impact parameter in XY plane
350 Double32_t fZ; // Impact parameter in Z
351 Double32_t fCdd,fCdz,fCzz; // Covariance matrix of the impact parameters
353 Double32_t fCchi2; // [0.,0.,8] chi2 at the primary vertex
354 Double32_t fITSchi2; // [0.,0.,8] chi2 in the ITS
355 Double32_t fTPCchi2; // [0.,0.,8] chi2 in the TPC
356 Double32_t fTRDchi2; // [0.,0.,8] chi2 in the TRD
357 Double32_t fTOFchi2; // [0.,0.,8] chi2 in the TOF
358 Double32_t fHMPIDchi2; // [0.,0.,8] chi2 in the HMPID
361 Double32_t fITSsignal; // [0.,0.,10] detector's PID signal
362 Double32_t fTPCsignal; // [0.,0.,10] detector's PID signal
363 Double32_t fTPCsignalS; // [0.,0.,10] RMS of dEdx measurement
364 Double32_t fTPCPoints[4]; // [0.,0.,10] TPC points -first, max. dens, last and max density
366 Double32_t fTRDsignal; // detector's PID signal
367 Double32_t fTRDQuality; // trd quality factor for TOF
368 Double32_t fTRDBudget; // trd material budget
370 Double32_t fTOFsignal; // detector's PID signal
371 Double32_t fTOFsignalToT; // detector's ToT signal
372 Double32_t fTOFsignalRaw; // detector's uncorrected time signal
373 Double32_t fTOFsignalDz; // local z of track's impact on the TOF pad
374 Double32_t fTOFInfo[10]; //! TOF informations
376 Double32_t fHMPIDtrkX; // x of the track impact, LORS
377 Double32_t fHMPIDtrkY; // y of the track impact, LORS
378 Double32_t fHMPIDmipX; // x of the MIP in LORS
379 Double32_t fHMPIDmipY; // y of the MIP in LORS
382 UShort_t fTPCncls; // number of clusters assigned in the TPC
383 UShort_t fTPCnclsF; // number of findable clusters in the TPC
384 UShort_t fTPCsignalN; // number of points used for dEdx
386 Char_t fITSncls; // number of clusters assigned in the ITS
387 UChar_t fITSClusterMap; // map of clusters, one bit per a layer
388 UChar_t fTRDncls; // number of clusters assigned in the TRD
389 UChar_t fTRDncls0; // number of clusters assigned in the TRD before first material cross
390 UChar_t fTRDpidQuality; // TRD PID quality according to number of planes. 6 is the best
392 Int_t fTRDnSlices; // number of slices used for PID in the TRD
393 Double32_t *fTRDslices; //[fTRDnSlices]
395 Char_t fTRDTimBin[kTRDnPlanes]; // Time bin of Max cluster from all six planes
399 AliESDtrack & operator=(const AliESDtrack & );
401 ClassDef(AliESDtrack,45) //ESDtrack