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1
2#ifndef ALIESDTRACK_H
3#define ALIESDTRACK_H
4/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
6
7/* $Id$ */
8
9//-------------------------------------------------------------------------
10// Class AliESDtrack
11// This is the class to deal with during the physics analysis of data
12//
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 * *
25 * The Get*Label() getters return the label of the associated MC particle. *
26 * The absolute value of this label is the index of the particle within the *
27 * MC stack. If the label is negative, this track was assigned a certain *
28 * number of clusters that did not in fact belong to this track. *
29 *****************************************************************************/
30
31#include <TBits.h>
32#include "AliExternalTrackParam.h"
33#include "AliPID.h"
34#include "AliESDfriendTrack.h"
35
36class TParticle;
37class AliESDVertex;
38class AliKalmanTrack;
39class AliTrackPointArray;
40class TPolyMarker3D;
41
42class AliESDtrack : public AliExternalTrackParam {
43public:
44 enum {
45 kITSin=0x0001,kITSout=0x0002,kITSrefit=0x0004,kITSpid=0x0008,
46 kTPCin=0x0010,kTPCout=0x0020,kTPCrefit=0x0040,kTPCpid=0x0080,
47 kTRDin=0x0100,kTRDout=0x0200,kTRDrefit=0x0400,kTRDpid=0x0800,
48 kTOFin=0x1000,kTOFout=0x2000,kTOFrefit=0x4000,kTOFpid=0x8000,
49 kHMPIDout=0x10000,kHMPIDpid=0x20000,
50 kEMCALmatch=0x40000,
51 kTRDbackup=0x80000,
52 kTRDStop=0x20000000,
53 kESDpid=0x40000000,
54 kTIME=0x80000000
55 };
56 enum {
57 kTRDnPlanes = 6,
58 kEMCALNoMatch = -4096
59 };
60 AliESDtrack();
61 AliESDtrack(const AliESDtrack& track);
62 AliESDtrack(TParticle * part);
63 virtual ~AliESDtrack();
64 virtual void Copy(TObject &obj) const;
65 const AliESDfriendTrack *GetFriendTrack() const {return fFriendTrack;}
66 void SetFriendTrack(const AliESDfriendTrack *t) {
67 delete fFriendTrack; fFriendTrack=new AliESDfriendTrack(*t);
68 }
69 void ReleaseESDfriendTrack() { delete fFriendTrack; fFriendTrack=0; }
70 void AddCalibObject(TObject * object); // add calib object to the list
71 TObject * GetCalibObject(Int_t index); // return calib objct at given position
72 void MakeMiniESDtrack();
73 void SetID(Int_t id) { fID =id;}
74 Int_t GetID() const { return fID;}
75 void SetStatus(ULong_t flags) {fFlags|=flags;}
76 void ResetStatus(ULong_t flags) {fFlags&=~flags;}
77 Bool_t UpdateTrackParams(const AliKalmanTrack *t, ULong_t flags);
78 void SetIntegratedLength(Double_t l) {fTrackLength=l;}
79 void SetIntegratedTimes(const Double_t *times);
80 void SetESDpid(const Double_t *p);
81 void GetESDpid(Double_t *p) const;
82
83 Bool_t IsOn(Int_t mask) const {return (fFlags&mask)>0;}
84 ULong_t GetStatus() const {return fFlags;}
85 Int_t GetLabel() const {return fLabel;}
86 void SetLabel(Int_t label) {fLabel = label;}
87
88 void GetExternalParameters(Double_t &x, Double_t p[5]) const;
89 void GetExternalCovariance(Double_t cov[15]) const;
90
91 Double_t GetIntegratedLength() const {return fTrackLength;}
92 void GetIntegratedTimes(Double_t *times) const;
93 Double_t GetMass() const;
94 Double_t M() const { return GetMass(); }
95 Double_t E() const;
96 Double_t Y() const;
97
98 Bool_t GetConstrainedPxPyPz(Double_t *p) const {
99 if (!fCp) return kFALSE;
100 return fCp->GetPxPyPz(p);
101 }
102 Bool_t GetConstrainedXYZ(Double_t *r) const {
103 if (!fCp) return kFALSE;
104 return fCp->GetXYZ(r);
105 }
106 const AliExternalTrackParam *GetConstrainedParam() const {return fCp;}
107 Bool_t GetConstrainedExternalParameters
108 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
109 Bool_t GetConstrainedExternalCovariance(Double_t cov[15]) const;
110 Double_t GetConstrainedChi2() const {return fCchi2;}
111 //
112
113
114
115 Bool_t GetInnerPxPyPz(Double_t *p) const {
116 if (!fIp) return kFALSE;
117 return fIp->GetPxPyPz(p);
118 }
119 const AliExternalTrackParam * GetInnerParam() const { return fIp;}
120 const AliExternalTrackParam * GetTPCInnerParam() const {return fTPCInner;}
121 const Bool_t FillTPCOnlyTrack(AliESDtrack &track);
122 Bool_t GetInnerXYZ(Double_t *r) const {
123 if (!fIp) return kFALSE;
124 return fIp->GetXYZ(r);
125 }
126 Bool_t GetInnerExternalParameters
127 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
128 Bool_t GetInnerExternalCovariance(Double_t cov[15]) const;
129
130 void SetOuterParam(const AliExternalTrackParam *p, ULong_t flags);
131
132 const AliExternalTrackParam * GetOuterParam() const { return fOp;}
133 Bool_t GetOuterPxPyPz(Double_t *p) const {
134 if (!fOp) return kFALSE;
135 return fOp->GetPxPyPz(p);
136 }
137 Bool_t GetOuterXYZ(Double_t *r) const {
138 if (!fOp) return kFALSE;
139 return fOp->GetXYZ(r);
140 }
141 Bool_t GetOuterExternalParameters
142 (Double_t &alpha, Double_t &x, Double_t p[5]) const;
143 Bool_t GetOuterExternalCovariance(Double_t cov[15]) const;
144
145
146 Int_t GetNcls(Int_t idet) const;
147 Int_t GetClusters(Int_t idet, Int_t *idx) const;
148
149 void SetITSpid(const Double_t *p);
150 void GetITSpid(Double_t *p) const;
151 Double_t GetITSsignal() const {return fITSsignal;}
152 Double_t GetITSchi2() const {return fITSchi2;}
153 Char_t GetITSclusters(Int_t *idx) const;
154 UChar_t GetITSClusterMap() const {return fITSClusterMap;}
155 void SetITSModuleIndex(Int_t ilayer,Int_t idx) {fITSModule[ilayer]=idx;}
156 Int_t GetITSModuleIndex(Int_t ilayer) const {return fITSModule[ilayer];}
157 Bool_t GetITSModuleIndexInfo(Int_t ilayer,Int_t &idet,Int_t &status,
158 Float_t &xloc,Float_t &zloc) const;
159 Int_t GetITSLabel() const {return fITSLabel;}
160 void SetITStrack(AliKalmanTrack * track){
161 fFriendTrack->SetITStrack(track);
162 }
163 AliKalmanTrack *GetITStrack(){
164 return fFriendTrack->GetITStrack();
165 }
166 Bool_t HasPointOnITSLayer(Int_t i) const {return TESTBIT(fITSClusterMap,i);}
167
168 void SetTPCpid(const Double_t *p);
169 void GetTPCpid(Double_t *p) const;
170 void SetTPCPoints(Float_t points[4]){
171 for (Int_t i=0;i<4;i++) fTPCPoints[i]=points[i];
172 }
173 void SetTPCPointsF(UChar_t findable){fTPCnclsF = findable;}
174 UShort_t GetTPCNcls() const { return fTPCncls;}
175 UShort_t GetTPCNclsF() const { return fTPCnclsF;}
176 Double_t GetTPCPoints(Int_t i) const {return fTPCPoints[i];}
177 void SetKinkIndexes(Int_t points[3]) {
178 for (Int_t i=0;i<3;i++) fKinkIndexes[i] = points[i];
179 }
180 void SetV0Indexes(Int_t points[3]) {
181 for (Int_t i=0;i<3;i++) fV0Indexes[i] = points[i];
182 }
183 void SetTPCsignal(Float_t signal, Float_t sigma, UChar_t npoints){
184 fTPCsignal = signal; fTPCsignalS = sigma; fTPCsignalN = npoints;
185 }
186 Double_t GetTPCsignal() const {return fTPCsignal;}
187 Double_t GetTPCsignalSigma() const {return fTPCsignalS;}
188 UShort_t GetTPCsignalN() const {return fTPCsignalN;}
189 Double_t GetTPCchi2() const {return fTPCchi2;}
190 UShort_t GetTPCclusters(Int_t *idx) const;
191 Double_t GetTPCdensity(Int_t row0, Int_t row1) const;
192 Int_t GetTPCLabel() const {return fTPCLabel;}
193 Int_t GetKinkIndex(Int_t i) const { return fKinkIndexes[i];}
194 Int_t GetV0Index(Int_t i) const { return fV0Indexes[i];}
195 const TBits& GetTPCClusterMap() const {return fTPCClusterMap;}
196 const TBits& GetTPCSharedMap() const {return fTPCSharedMap;}
197 void SetTPCClusterMap(const TBits amap) {fTPCClusterMap = amap;}
198 void SetTPCSharedMap(const TBits amap) {fTPCSharedMap = amap;}
199
200 void SetTRDpid(const Double_t *p);
201
202// A.Bercuci
203 void SetTRDpidQuality(UChar_t q){fTRDpidQuality = q;}
204 UChar_t GetTRDpidQuality() const {return fTRDpidQuality;}
205// end A.Bercuci
206
207 void SetNumberOfTRDslices(Int_t n);
208 Int_t GetNumberOfTRDslices() const {return fTRDnSlices/kTRDnPlanes;}
209 void SetTRDslice(Double_t q, Int_t plane, Int_t slice);
210 Double_t GetTRDslice(Int_t plane, Int_t slice=-1) const;
211
212 void SetTRDQuality(Float_t quality){fTRDQuality=quality;}
213 Double_t GetTRDQuality()const {return fTRDQuality;}
214 void SetTRDBudget(Float_t budget){fTRDBudget=budget;}
215 Double_t GetTRDBudget()const {return fTRDBudget;}
216
217 void SetTRDTimBin(Int_t timbin, Int_t i) {fTRDTimBin[i]=timbin;}
218 void GetTRDpid(Double_t *p) const;
219 Double_t GetTRDsignal() const {return fTRDsignal;}
220
221 Char_t GetTRDTimBin(Int_t i) const {return fTRDTimBin[i];}
222 Double_t GetTRDchi2() const {return fTRDchi2;}
223 UChar_t GetTRDclusters(Int_t *idx) const;
224 UChar_t GetTRDncls() const {return fTRDncls;}
225 UChar_t GetTRDncls0() const {return fTRDncls0;}
226 UChar_t GetTRDtracklets(Int_t *idx) const;
227 void SetTRDpid(Int_t iSpecies, Float_t p);
228 Double_t GetTRDpid(Int_t iSpecies) const;
229 Int_t GetTRDLabel() const {return fTRDLabel;}
230
231 void SetTRDtrack(AliKalmanTrack * track){
232 fFriendTrack->SetTRDtrack(track);
233 }
234 AliKalmanTrack *GetTRDtrack(){
235 return fFriendTrack->GetTRDtrack();
236 }
237
238 void SetTOFsignal(Double_t tof) {fTOFsignal=tof;}
239 Double_t GetTOFsignal() const {return fTOFsignal;}
240 void SetTOFsignalToT(Double_t ToT) {fTOFsignalToT=ToT;}
241 Double_t GetTOFsignalToT() const {return fTOFsignalToT;}
242 void SetTOFsignalRaw(Double_t tof) {fTOFsignalRaw=tof;}
243 Double_t GetTOFsignalRaw() const {return fTOFsignalRaw;}
244 void SetTOFsignalDz(Double_t dz) {fTOFsignalDz=dz;}
245 Double_t GetTOFsignalDz() const {return fTOFsignalDz;}
246 Double_t GetTOFchi2() const {return fTOFchi2;}
247 void SetTOFpid(const Double_t *p);
248 void SetTOFLabel(const Int_t *p);
249 void GetTOFpid(Double_t *p) const;
250 void GetTOFLabel(Int_t *p) const;
251 void GetTOFInfo(Float_t *info) const;
252 void SetTOFInfo(Float_t *info);
253 Int_t GetTOFCalChannel() const {return fTOFCalChannel;}
254 Int_t GetTOFcluster() const {return fTOFindex;}
255 void SetTOFcluster(Int_t index) {fTOFindex=index;}
256 void SetTOFCalChannel(Int_t index) {fTOFCalChannel=index;}
257
258// HMPID methodes +++++++++++++++++++++++++++++++++ (kir)
259 void SetHMPIDsignal(Double_t theta) {fHMPIDsignal=theta;}
260 Double_t GetHMPIDsignal() const {return fHMPIDsignal;}
261 void SetHMPIDpid(const Double_t *p);
262 void GetHMPIDpid(Double_t *p) const;
263 void SetHMPIDchi2(Double_t chi2) {fHMPIDchi2=chi2;}
264 Double_t GetHMPIDchi2() const {return fHMPIDchi2;}
265 void SetHMPIDcluIdx(Int_t ch,Int_t idx) {fHMPIDcluIdx=ch*1000000+idx;}
266 Int_t GetHMPIDcluIdx() const {return fHMPIDcluIdx;}
267 void SetHMPIDtrk(Float_t x, Float_t y, Float_t th, Float_t ph) {
268 fHMPIDtrkX=x; fHMPIDtrkY=y; fHMPIDtrkTheta=th; fHMPIDtrkPhi=ph;
269 }
270 void GetHMPIDtrk(Float_t &x, Float_t &y, Float_t &th, Float_t &ph) const {
271 x=fHMPIDtrkX; y=fHMPIDtrkY; th=fHMPIDtrkTheta; ph=fHMPIDtrkPhi;
272 }
273 void SetHMPIDmip(Float_t x, Float_t y, Int_t q, Int_t nph=0) {
274 fHMPIDmipX=x; fHMPIDmipY=y; fHMPIDqn=1000000*nph+q;
275 }
276 void GetHMPIDmip(Float_t &x,Float_t &y,Int_t &q,Int_t &nph) const {
277 x=fHMPIDmipX; y=fHMPIDmipY; q=fHMPIDqn%1000000; nph=fHMPIDqn/1000000;
278 }
279 Bool_t IsHMPID() const {return fFlags&kHMPIDpid;}
280
281
282 Int_t GetEMCALcluster() {return fEMCALindex;}
283 void SetEMCALcluster(Int_t index) {fEMCALindex=index;}
284 Bool_t IsEMCAL() const {return fFlags&kEMCALmatch;}
285
286 void SetTrackPointArray(AliTrackPointArray *points) {
287 fFriendTrack->SetTrackPointArray(points);
288 }
289 const AliTrackPointArray *GetTrackPointArray() const {
290 return fFriendTrack->GetTrackPointArray();
291 }
292 Bool_t RelateToVertexTPC(const AliESDVertex *vtx, Double_t b, Double_t maxd);
293 void GetImpactParametersTPC(Float_t &xy,Float_t &z) const {xy=fdTPC; z=fzTPC;}
294 void GetImpactParametersTPC(Float_t p[2], Float_t cov[3]) const {
295 p[0]=fdTPC; p[1]=fzTPC; cov[0]=fCddTPC; cov[1]=fCdzTPC; cov[2]=fCzzTPC;
296 }
297 Bool_t RelateToVertex(const AliESDVertex *vtx, Double_t b, Double_t maxd);
298 void GetImpactParameters(Float_t &xy,Float_t &z) const {xy=fD; z=fZ;}
299 void GetImpactParameters(Float_t p[2], Float_t cov[3]) const {
300 p[0]=fD; p[1]=fZ; cov[0]=fCdd; cov[1]=fCdz; cov[2]=fCzz;
301 }
302 virtual void Print(Option_t * opt) const ;
303 //
304 // visualization (M. Ivanov)
305 //
306 void FillPolymarker(TPolyMarker3D *pol, Float_t magf, Float_t minR, Float_t maxR, Float_t stepR);
307
308protected:
309
310 AliExternalTrackParam *fCp; // Track parameters constrained to the primary vertex
311 AliExternalTrackParam *fIp; // Track parameters at the first measured point (TPC)
312 AliExternalTrackParam *fTPCInner; // Track parameters at the first measured point (TPC) - first itteration
313 AliExternalTrackParam *fOp; // Track parameters at the last measured point (TPC or TRD)
314 AliESDfriendTrack *fFriendTrack; //! All the complementary information
315
316 TBits fTPCClusterMap; // Map of clusters, one bit per padrow; 1 if has a cluster on given padrow
317 TBits fTPCSharedMap; // Map of clusters, one bit per padrow; 1 if has a shared cluster on given padrow
318
319
320
321 ULong_t fFlags; // Reconstruction status flags
322 Int_t fID; // Unique ID of the track
323 Int_t fLabel; // Track label
324 Int_t fITSLabel; // label according ITS
325 Int_t fITSModule[12]; // modules crossed by the track in the ITS
326 Int_t fTPCLabel; // label according TPC
327 Int_t fTRDLabel; // label according TRD
328 Int_t fTOFLabel[3]; // TOF label
329 Int_t fTOFCalChannel; // Channel Index of the TOF Signal
330 Int_t fTOFindex; // index of the assigned TOF cluster
331 Int_t fHMPIDqn; // 1000000*number of photon clusters + QDC
332 Int_t fHMPIDcluIdx; // 1000000*chamber id + cluster idx of the assigned MIP cluster
333 Int_t fEMCALindex; // index of associated EMCAL cluster (AliESDCaloCluster)
334
335
336 Int_t fKinkIndexes[3]; // array of indexes of posible kink candidates
337 Int_t fV0Indexes[3]; // array of indexes of posible kink candidates
338
339 Double32_t fR[AliPID::kSPECIES]; //[0.,0.,8] combined "detector response probability"
340 Double32_t fITSr[AliPID::kSPECIES]; //[0.,0.,8] "detector response probabilities" (for the PID)
341 Double32_t fTPCr[AliPID::kSPECIES]; //[0.,0.,8] "detector response probabilities" (for the PID)
342 Double32_t fTRDr[AliPID::kSPECIES]; //[0.,0.,8] "detector response probabilities" (for the PID)
343 Double32_t fTOFr[AliPID::kSPECIES]; //[0.,0.,8] "detector response probabilities" (for the PID)
344 Double32_t fHMPIDr[AliPID::kSPECIES];//[0.,0.,8] "detector response probabilities" (for the PID)
345
346 Double32_t fHMPIDtrkTheta;//[-2*pi,2*pi,16] theta of the track extrapolated to the HMPID, LORS
347 // how much of this is needed?
348 Double32_t fHMPIDtrkPhi; //[-2*pi,2*pi,16] phi of the track extrapolated to the HMPID, LORS
349 Double32_t fHMPIDsignal; // HMPID PID signal (Theta ckov, rad)
350
351 Double32_t fTrackTime[AliPID::kSPECIES]; // TOFs estimated by the tracking
352 Double32_t fTrackLength; // Track length
353 Double32_t fdTPC; // TPC-only impact parameter in XY plane
354 Double32_t fzTPC; // TPC-only impact parameter in Z
355 Double32_t fCddTPC,fCdzTPC,fCzzTPC; // Covariance matrix of the TPC-only impact parameters
356 Double32_t fD; // Impact parameter in XY plane
357 Double32_t fZ; // Impact parameter in Z
358 Double32_t fCdd,fCdz,fCzz; // Covariance matrix of the impact parameters
359
360 Double32_t fCchi2; // [0.,0.,8] chi2 at the primary vertex
361 Double32_t fITSchi2; // [0.,0.,8] chi2 in the ITS
362 Double32_t fTPCchi2; // [0.,0.,8] chi2 in the TPC
363 Double32_t fTRDchi2; // [0.,0.,8] chi2 in the TRD
364 Double32_t fTOFchi2; // [0.,0.,8] chi2 in the TOF
365 Double32_t fHMPIDchi2; // [0.,0.,8] chi2 in the HMPID
366
367
368 Double32_t fITSsignal; // [0.,0.,10] detector's PID signal
369 Double32_t fTPCsignal; // [0.,0.,10] detector's PID signal
370 Double32_t fTPCsignalS; // [0.,0.,10] RMS of dEdx measurement
371 Double32_t fTPCPoints[4]; // [0.,0.,10] TPC points -first, max. dens, last and max density
372
373 Double32_t fTRDsignal; // detector's PID signal
374 Double32_t fTRDQuality; // trd quality factor for TOF
375 Double32_t fTRDBudget; // trd material budget
376
377 Double32_t fTOFsignal; // detector's PID signal
378 Double32_t fTOFsignalToT; // detector's ToT signal
379 Double32_t fTOFsignalRaw; // detector's uncorrected time signal
380 Double32_t fTOFsignalDz; // local z of track's impact on the TOF pad
381 Double32_t fTOFInfo[10]; //! TOF informations
382
383 Double32_t fHMPIDtrkX; // x of the track impact, LORS
384 Double32_t fHMPIDtrkY; // y of the track impact, LORS
385 Double32_t fHMPIDmipX; // x of the MIP in LORS
386 Double32_t fHMPIDmipY; // y of the MIP in LORS
387
388
389 UShort_t fTPCncls; // number of clusters assigned in the TPC
390 UShort_t fTPCnclsF; // number of findable clusters in the TPC
391 UShort_t fTPCsignalN; // number of points used for dEdx
392
393 Char_t fITSncls; // number of clusters assigned in the ITS
394 UChar_t fITSClusterMap; // map of clusters, one bit per a layer
395 UChar_t fTRDncls; // number of clusters assigned in the TRD
396 UChar_t fTRDncls0; // number of clusters assigned in the TRD before first material cross
397 UChar_t fTRDpidQuality; // TRD PID quality according to number of planes. 6 is the best
398
399 Int_t fTRDnSlices; // number of slices used for PID in the TRD
400 Double32_t *fTRDslices; //[fTRDnSlices]
401
402 Char_t fTRDTimBin[kTRDnPlanes]; // Time bin of Max cluster from all six planes
403
404 private:
405
406 AliESDtrack & operator=(const AliESDtrack & );
407
408 ClassDef(AliESDtrack,45) //ESDtrack
409};
410
411#endif
412