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 Bool_t GetInnerXYZ(Double_t *r) const {
117 if (!fIp) return kFALSE;
118 return fIp->GetXYZ(r);
120 Bool_t GetInnerExternalParameters
121 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
122 Bool_t GetInnerExternalCovariance(Double_t cov[15]) const;
124 const AliExternalTrackParam * GetOuterParam() const { return fOp;}
125 Bool_t GetOuterPxPyPz(Double_t *p) const {
126 if (!fOp) return kFALSE;
127 return fOp->GetPxPyPz(p);
129 Bool_t GetOuterXYZ(Double_t *r) const {
130 if (!fOp) return kFALSE;
131 return fOp->GetXYZ(r);
133 Bool_t GetOuterExternalParameters
134 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
135 Bool_t GetOuterExternalCovariance(Double_t cov[15]) const;
138 Int_t GetNcls(Int_t idet) const;
139 Int_t GetClusters(Int_t idet, Int_t *idx) const;
141 void SetITSpid(const Double_t *p);
142 void GetITSpid(Double_t *p) const;
143 Double_t GetITSsignal() const {return fITSsignal;}
144 Double_t GetITSchi2() const {return fITSchi2;}
145 Char_t GetITSclusters(Int_t *idx) const;
146 UChar_t GetITSClusterMap() const {return fITSClusterMap;}
147 void SetITSModuleIndex(Int_t ilayer,Int_t idx) {fITSModule[ilayer]=idx;}
148 Int_t GetITSModuleIndex(Int_t ilayer) const {return fITSModule[ilayer];}
149 Bool_t GetITSModuleIndexInfo(Int_t ilayer,Int_t &idet,Int_t &status,
150 Float_t &xloc,Float_t &zloc) const;
151 Int_t GetITSLabel() const {return fITSLabel;}
152 void SetITStrack(AliKalmanTrack * track){
153 fFriendTrack->SetITStrack(track);
155 AliKalmanTrack *GetITStrack(){
156 return fFriendTrack->GetITStrack();
158 Bool_t HasPointOnITSLayer(Int_t i) const {return TESTBIT(fITSClusterMap,i);}
160 void SetTPCpid(const Double_t *p);
161 void GetTPCpid(Double_t *p) const;
162 void SetTPCPoints(Float_t points[4]){
163 for (Int_t i=0;i<4;i++) fTPCPoints[i]=points[i];
165 void SetTPCPointsF(UChar_t findable){fTPCnclsF = findable;}
166 UShort_t GetTPCNcls() const { return fTPCncls;}
167 UShort_t GetTPCNclsF() const { return fTPCnclsF;}
168 Double_t GetTPCPoints(Int_t i) const {return fTPCPoints[i];}
169 void SetKinkIndexes(Int_t points[3]) {
170 for (Int_t i=0;i<3;i++) fKinkIndexes[i] = points[i];
172 void SetV0Indexes(Int_t points[3]) {
173 for (Int_t i=0;i<3;i++) fV0Indexes[i] = points[i];
175 void SetTPCsignal(Float_t signal, Float_t sigma, UChar_t npoints){
176 fTPCsignal = signal; fTPCsignalS = sigma; fTPCsignalN = npoints;
178 Double_t GetTPCsignal() const {return fTPCsignal;}
179 Double_t GetTPCsignalSigma() const {return fTPCsignalS;}
180 UShort_t GetTPCsignalN() const {return fTPCsignalN;}
181 Double_t GetTPCchi2() const {return fTPCchi2;}
182 UShort_t GetTPCclusters(Int_t *idx) const;
183 Double_t GetTPCdensity(Int_t row0, Int_t row1) const;
184 Int_t GetTPCLabel() const {return fTPCLabel;}
185 Int_t GetKinkIndex(Int_t i) const { return fKinkIndexes[i];}
186 Int_t GetV0Index(Int_t i) const { return fV0Indexes[i];}
187 const TBits& GetTPCClusterMap() const {return fTPCClusterMap;}
188 const TBits& GetTPCSharedMap() const {return fTPCSharedMap;}
189 void SetTPCClusterMap(const TBits amap) {fTPCClusterMap = amap;}
190 void SetTPCSharedMap(const TBits amap) {fTPCSharedMap = amap;}
192 void SetTRDpid(const Double_t *p);
195 void SetTRDpidQuality(UChar_t q){fTRDpidQuality = q;}
196 UChar_t GetTRDpidQuality() const {return fTRDpidQuality;}
199 void SetNumberOfTRDslices(Int_t n);
200 Int_t GetNumberOfTRDslices() const {return fTRDnSlices/kTRDnPlanes;}
201 void SetTRDslice(Double_t q, Int_t plane, Int_t slice);
202 Double_t GetTRDslice(Int_t plane, Int_t slice=-1) const;
204 void SetTRDQuality(Float_t quality){fTRDQuality=quality;}
205 Double_t GetTRDQuality()const {return fTRDQuality;}
206 void SetTRDBudget(Float_t budget){fTRDBudget=budget;}
207 Double_t GetTRDBudget()const {return fTRDBudget;}
209 void SetTRDTimBin(Int_t timbin, Int_t i) {fTRDTimBin[i]=timbin;}
210 void GetTRDpid(Double_t *p) const;
211 Double_t GetTRDsignal() const {return fTRDsignal;}
213 Char_t GetTRDTimBin(Int_t i) const {return fTRDTimBin[i];}
214 Double_t GetTRDchi2() const {return fTRDchi2;}
215 UChar_t GetTRDclusters(Int_t *idx) const;
216 UChar_t GetTRDncls() const {return fTRDncls;}
217 UChar_t GetTRDncls0() const {return fTRDncls0;}
218 UChar_t GetTRDtracklets(Int_t *idx) const;
219 void SetTRDpid(Int_t iSpecies, Float_t p);
220 Double_t GetTRDpid(Int_t iSpecies) const;
221 Int_t GetTRDLabel() const {return fTRDLabel;}
223 void SetTRDtrack(AliKalmanTrack * track){
224 fFriendTrack->SetTRDtrack(track);
226 AliKalmanTrack *GetTRDtrack(){
227 return fFriendTrack->GetTRDtrack();
230 void SetTOFsignal(Double_t tof) {fTOFsignal=tof;}
231 Double_t GetTOFsignal() const {return fTOFsignal;}
232 void SetTOFsignalToT(Double_t ToT) {fTOFsignalToT=ToT;}
233 Double_t GetTOFsignalToT() const {return fTOFsignalToT;}
234 void SetTOFsignalRaw(Double_t tof) {fTOFsignalRaw=tof;}
235 Double_t GetTOFsignalRaw() const {return fTOFsignalRaw;}
236 void SetTOFsignalDz(Double_t dz) {fTOFsignalDz=dz;}
237 Double_t GetTOFsignalDz() const {return fTOFsignalDz;}
238 Double_t GetTOFchi2() const {return fTOFchi2;}
239 void SetTOFpid(const Double_t *p);
240 void SetTOFLabel(const Int_t *p);
241 void GetTOFpid(Double_t *p) const;
242 void GetTOFLabel(Int_t *p) const;
243 void GetTOFInfo(Float_t *info) const;
244 void SetTOFInfo(Float_t *info);
245 Int_t GetTOFCalChannel() const {return fTOFCalChannel;}
246 Int_t GetTOFcluster() const {return fTOFindex;}
247 void SetTOFcluster(Int_t index) {fTOFindex=index;}
248 void SetTOFCalChannel(Int_t index) {fTOFCalChannel=index;}
250 // HMPID methodes +++++++++++++++++++++++++++++++++ (kir)
251 void SetHMPIDsignal(Double_t theta) {fHMPIDsignal=theta;}
252 Double_t GetHMPIDsignal() const {return fHMPIDsignal;}
253 void SetHMPIDpid(const Double_t *p);
254 void GetHMPIDpid(Double_t *p) const;
255 void SetHMPIDchi2(Double_t chi2) {fHMPIDchi2=chi2;}
256 Double_t GetHMPIDchi2() const {return fHMPIDchi2;}
257 void SetHMPIDcluIdx(Int_t ch,Int_t idx) {fHMPIDcluIdx=ch*1000000+idx;}
258 Int_t GetHMPIDcluIdx() const {return fHMPIDcluIdx;}
259 void SetHMPIDtrk(Float_t x, Float_t y, Float_t th, Float_t ph) {
260 fHMPIDtrkX=x; fHMPIDtrkY=y; fHMPIDtrkTheta=th; fHMPIDtrkPhi=ph;
262 void GetHMPIDtrk(Float_t &x, Float_t &y, Float_t &th, Float_t &ph) const {
263 x=fHMPIDtrkX; y=fHMPIDtrkY; th=fHMPIDtrkTheta; ph=fHMPIDtrkPhi;
265 void SetHMPIDmip(Float_t x, Float_t y, Int_t q, Int_t nph=0) {
266 fHMPIDmipX=x; fHMPIDmipY=y; fHMPIDqn=1000000*nph+q;
268 void GetHMPIDmip(Float_t &x,Float_t &y,Int_t &q,Int_t &nph) const {
269 x=fHMPIDmipX; y=fHMPIDmipY; q=fHMPIDqn%1000000; nph=fHMPIDqn/1000000;
271 Bool_t IsHMPID() const {return fFlags&kHMPIDpid;}
274 Int_t GetEMCALcluster() {return fEMCALindex;}
275 void SetEMCALcluster(Int_t index) {fEMCALindex=index;}
276 Bool_t IsEMCAL() const {return fFlags&kEMCALmatch;}
278 void SetTrackPointArray(AliTrackPointArray *points) {
279 fFriendTrack->SetTrackPointArray(points);
281 const AliTrackPointArray *GetTrackPointArray() const {
282 return fFriendTrack->GetTrackPointArray();
284 Bool_t RelateToVertexTPC(const AliESDVertex *vtx, Double_t b, Double_t maxd);
285 void GetImpactParametersTPC(Float_t &xy,Float_t &z) const {xy=fdTPC; z=fzTPC;}
286 void GetImpactParametersTPC(Float_t p[2], Float_t cov[3]) const {
287 p[0]=fdTPC; p[1]=fzTPC; cov[0]=fCddTPC; cov[1]=fCdzTPC; cov[2]=fCzzTPC;
289 Bool_t RelateToVertex(const AliESDVertex *vtx, Double_t b, Double_t maxd);
290 void GetImpactParameters(Float_t &xy,Float_t &z) const {xy=fD; z=fZ;}
291 void GetImpactParameters(Float_t p[2], Float_t cov[3]) const {
292 p[0]=fD; p[1]=fZ; cov[0]=fCdd; cov[1]=fCdz; cov[2]=fCzz;
294 virtual void Print(Option_t * opt) const ;
296 // visualization (M. Ivanov)
298 void FillPolymarker(TPolyMarker3D *pol, Float_t magf, Float_t minR, Float_t maxR, Float_t stepR);
302 AliExternalTrackParam *fCp; // Track parameters constrained to the primary vertex
303 AliExternalTrackParam *fIp; // Track parameters at the first measured point (TPC)
304 AliExternalTrackParam *fTPCInner; // Track parameters at the first measured point (TPC) - first itteration
305 AliExternalTrackParam *fOp; // Track parameters at the last measured point (TPC or TRD)
306 AliESDfriendTrack *fFriendTrack; //! All the complementary information
308 TBits fTPCClusterMap; // Map of clusters, one bit per padrow; 1 if has a cluster on given padrow
309 TBits fTPCSharedMap; // Map of clusters, one bit per padrow; 1 if has a shared cluster on given padrow
313 ULong_t fFlags; // Reconstruction status flags
314 Int_t fID; // Unique ID of the track
315 Int_t fLabel; // Track label
316 Int_t fITSLabel; // label according ITS
317 Int_t fITSModule[12]; // modules crossed by the track in the ITS
318 Int_t fTPCLabel; // label according TPC
319 Int_t fTRDLabel; // label according TRD
320 Int_t fTOFLabel[3]; // TOF label
321 Int_t fTOFCalChannel; // Channel Index of the TOF Signal
322 Int_t fTOFindex; // index of the assigned TOF cluster
323 Int_t fHMPIDqn; // 1000000*number of photon clusters + QDC
324 Int_t fHMPIDcluIdx; // 1000000*chamber id + cluster idx of the assigned MIP cluster
325 Int_t fEMCALindex; // index of associated EMCAL cluster (AliESDCaloCluster)
328 Int_t fKinkIndexes[3]; // array of indexes of posible kink candidates
329 Int_t fV0Indexes[3]; // array of indexes of posible kink candidates
331 Double32_t fR[AliPID::kSPECIES]; //[0.,0.,8] combined "detector response probability"
332 Double32_t fITSr[AliPID::kSPECIES]; //[0.,0.,8] "detector response probabilities" (for the PID)
333 Double32_t fTPCr[AliPID::kSPECIES]; //[0.,0.,8] "detector response probabilities" (for the PID)
334 Double32_t fTRDr[AliPID::kSPECIES]; //[0.,0.,8] "detector response probabilities" (for the PID)
335 Double32_t fTOFr[AliPID::kSPECIES]; //[0.,0.,8] "detector response probabilities" (for the PID)
336 Double32_t fHMPIDr[AliPID::kSPECIES];//[0.,0.,8] "detector response probabilities" (for the PID)
338 Double32_t fHMPIDtrkTheta;//[-2*pi,2*pi,16] theta of the track extrapolated to the HMPID, LORS
339 // how much of this is needed?
340 Double32_t fHMPIDtrkPhi; //[-2*pi,2*pi,16] phi of the track extrapolated to the HMPID, LORS
341 Double32_t fHMPIDsignal; // HMPID PID signal (Theta ckov, rad)
343 Double32_t fTrackTime[AliPID::kSPECIES]; // TOFs estimated by the tracking
344 Double32_t fTrackLength; // Track length
345 Double32_t fdTPC; // TPC-only impact parameter in XY plane
346 Double32_t fzTPC; // TPC-only impact parameter in Z
347 Double32_t fCddTPC,fCdzTPC,fCzzTPC; // Covariance matrix of the TPC-only impact parameters
348 Double32_t fD; // Impact parameter in XY plane
349 Double32_t fZ; // Impact parameter in Z
350 Double32_t fCdd,fCdz,fCzz; // Covariance matrix of the impact parameters
352 Double32_t fCchi2; // [0.,0.,8] chi2 at the primary vertex
353 Double32_t fITSchi2; // [0.,0.,8] chi2 in the ITS
354 Double32_t fTPCchi2; // [0.,0.,8] chi2 in the TPC
355 Double32_t fTRDchi2; // [0.,0.,8] chi2 in the TRD
356 Double32_t fTOFchi2; // [0.,0.,8] chi2 in the TOF
357 Double32_t fHMPIDchi2; // [0.,0.,8] chi2 in the HMPID
360 Double32_t fITSsignal; // [0.,0.,10] detector's PID signal
361 Double32_t fTPCsignal; // [0.,0.,10] detector's PID signal
362 Double32_t fTPCsignalS; // [0.,0.,10] RMS of dEdx measurement
363 Double32_t fTPCPoints[4]; // [0.,0.,10] TPC points -first, max. dens, last and max density
365 Double32_t fTRDsignal; // detector's PID signal
366 Double32_t fTRDQuality; // trd quality factor for TOF
367 Double32_t fTRDBudget; // trd material budget
369 Double32_t fTOFsignal; // detector's PID signal
370 Double32_t fTOFsignalToT; // detector's ToT signal
371 Double32_t fTOFsignalRaw; // detector's uncorrected time signal
372 Double32_t fTOFsignalDz; // local z of track's impact on the TOF pad
373 Double32_t fTOFInfo[10]; //! TOF informations
375 Double32_t fHMPIDtrkX; // x of the track impact, LORS
376 Double32_t fHMPIDtrkY; // y of the track impact, LORS
377 Double32_t fHMPIDmipX; // x of the MIP in LORS
378 Double32_t fHMPIDmipY; // y of the MIP in LORS
381 UShort_t fTPCncls; // number of clusters assigned in the TPC
382 UShort_t fTPCnclsF; // number of findable clusters in the TPC
383 UShort_t fTPCsignalN; // number of points used for dEdx
385 Char_t fITSncls; // number of clusters assigned in the ITS
386 UChar_t fITSClusterMap; // map of clusters, one bit per a layer
387 UChar_t fTRDncls; // number of clusters assigned in the TRD
388 UChar_t fTRDncls0; // number of clusters assigned in the TRD before first material cross
389 UChar_t fTRDpidQuality; // TRD PID quality according to number of planes. 6 is the best
391 Int_t fTRDnSlices; // number of slices used for PID in the TRD
392 Double32_t *fTRDslices; //[fTRDnSlices]
394 Char_t fTRDTimBin[kTRDnPlanes]; // Time bin of Max cluster from all six planes
398 AliESDtrack & operator=(const AliESDtrack & );
400 ClassDef(AliESDtrack,45) //ESDtrack