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ae982df3 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
ae982df3 | 15 | //----------------------------------------------------------------- |
16 | // Implementation of the ESD track class | |
4427806c | 17 | // ESD = Event Summary Data |
15614b8b | 18 | // This is the class to deal with during the phisics analysis of data |
4427806c | 19 | // Origin: Iouri Belikov, CERN |
20 | // e-mail: Jouri.Belikov@cern.ch | |
ae982df3 | 21 | //----------------------------------------------------------------- |
22 | ||
e1e6896f | 23 | #include <TMath.h> |
49edfa08 | 24 | #include <TParticle.h> |
ae982df3 | 25 | |
49d13e89 | 26 | #include "AliESDVertex.h" |
ae982df3 | 27 | #include "AliESDtrack.h" |
28 | #include "AliKalmanTrack.h" | |
5f7789fc | 29 | #include "AliLog.h" |
15e85efa | 30 | #include "AliTrackPointArray.h" |
ae982df3 | 31 | |
32 | ClassImp(AliESDtrack) | |
33 | ||
d27bbc79 | 34 | void SetPIDValues(Float_t * dest, const Double_t * src, Int_t n) { |
35 | // This function copies "n" PID weights from "scr" to "dest" | |
36 | // and normalizes their sum to 1 thus producing conditional probabilities. | |
37 | // The negative weights are set to 0. | |
38 | // In case all the weights are non-positive they are replaced by | |
39 | // uniform probabilities | |
40 | ||
41 | if (n<=0) return; | |
42 | ||
43 | Float_t uniform = 1./(Float_t)n; | |
44 | ||
45 | Float_t sum = 0; | |
46 | for (Int_t i=0; i<n; i++) | |
47 | if (src[i]>=0) { | |
48 | sum+=src[i]; | |
49 | dest[i] = src[i]; | |
50 | } | |
51 | else { | |
52 | dest[i] = 0; | |
53 | } | |
54 | ||
55 | if(sum>0) | |
56 | for (Int_t i=0; i<n; i++) dest[i] /= sum; | |
57 | else | |
58 | for (Int_t i=0; i<n; i++) dest[i] = uniform; | |
59 | } | |
60 | ||
ae982df3 | 61 | //_______________________________________________________________________ |
62 | AliESDtrack::AliESDtrack() : | |
c9ec41e8 | 63 | AliExternalTrackParam(), |
90e48c0c | 64 | fFlags(0), |
65 | fLabel(0), | |
66 | fID(0), | |
67 | fTrackLength(0), | |
49d13e89 | 68 | fD(0),fZ(0), |
69 | fCdd(0),fCdz(0),fCzz(0), | |
90e48c0c | 70 | fStopVertex(0), |
c9ec41e8 | 71 | fCp(0), |
90e48c0c | 72 | fCchi2(1e10), |
c9ec41e8 | 73 | fIp(0), |
4aeb9470 | 74 | fTPCInner(0), |
c9ec41e8 | 75 | fOp(0), |
90e48c0c | 76 | fITSchi2(0), |
77 | fITSncls(0), | |
62665e7f | 78 | fITSClusterMap(0), |
90e48c0c | 79 | fITSsignal(0), |
80 | fITSLabel(0), | |
90e48c0c | 81 | fTPCchi2(0), |
82 | fTPCncls(0), | |
e1d4c1b5 | 83 | fTPCnclsF(0), |
90e48c0c | 84 | fTPCClusterMap(159),//number of padrows |
eb7f6854 | 85 | fTPCSharedMap(159),//number of padrows |
90e48c0c | 86 | fTPCsignal(0), |
e1d4c1b5 | 87 | fTPCsignalN(0), |
88 | fTPCsignalS(0), | |
90e48c0c | 89 | fTPCLabel(0), |
90 | fTRDchi2(0), | |
91 | fTRDncls(0), | |
92 | fTRDncls0(0), | |
93 | fTRDsignal(0), | |
94 | fTRDLabel(0), | |
95 | fTRDQuality(0), | |
23d49657 | 96 | fTRDBudget(0), |
90e48c0c | 97 | fTOFchi2(0), |
98 | fTOFindex(0), | |
85324138 | 99 | fTOFCalChannel(-1), |
90e48c0c | 100 | fTOFsignal(-1), |
85324138 | 101 | fTOFsignalToT(0), |
d321691a | 102 | fTOFsignalRaw(0), |
103 | fTOFsignalDz(0), | |
f4b3bbb7 | 104 | fHMPIDchi2(1e10), |
105 | fHMPIDqn(-1), | |
106 | fHMPIDcluIdx(-1), | |
107 | fHMPIDsignal(-1), | |
108 | fHMPIDtrkTheta(-1), | |
109 | fHMPIDtrkPhi(-1), | |
110 | fHMPIDtrkX(-1), | |
111 | fHMPIDtrkY(-1), | |
112 | fHMPIDmipX(-1), | |
113 | fHMPIDmipY(-1), | |
2e1dcd14 | 114 | fEMCALindex(kEMCALNoMatch), |
15e85efa | 115 | fFriendTrack(new AliESDfriendTrack()) |
ae982df3 | 116 | { |
117 | // | |
118 | // The default ESD constructor | |
119 | // | |
6d45eaef | 120 | Int_t i, j; |
6238d7a9 | 121 | for (i=0; i<AliPID::kSPECIES; i++) { |
4a78b8c5 | 122 | fTrackTime[i]=0.; |
123 | fR[i]=1.; | |
124 | fITSr[i]=1.; | |
125 | fTPCr[i]=1.; | |
126 | fTRDr[i]=1.; | |
127 | fTOFr[i]=1.; | |
f4b3bbb7 | 128 | fHMPIDr[i]=1.; |
2bad268c | 129 | } |
ac2f7574 | 130 | |
ef7253ac | 131 | for (i=0; i<3; i++) { fKinkIndexes[i]=0;} |
132 | for (i=0; i<3; i++) { fV0Indexes[i]=-1;} | |
6d45eaef | 133 | for (i=0;i<kNPlane;i++) { |
134 | for (j=0;j<kNSlice;j++) { | |
135 | fTRDsignals[i][j]=0.; | |
136 | } | |
137 | fTRDTimBin[i]=-1; | |
138 | } | |
c9ec41e8 | 139 | for (i=0;i<4;i++) {fTPCPoints[i]=-1;} |
140 | for (i=0;i<3;i++) {fTOFLabel[i]=-1;} | |
141 | for (i=0;i<10;i++) {fTOFInfo[i]=-1;} | |
c4d11b15 | 142 | } |
143 | ||
144 | //_______________________________________________________________________ | |
90e48c0c | 145 | AliESDtrack::AliESDtrack(const AliESDtrack& track): |
c9ec41e8 | 146 | AliExternalTrackParam(track), |
90e48c0c | 147 | fFlags(track.fFlags), |
148 | fLabel(track.fLabel), | |
149 | fID(track.fID), | |
150 | fTrackLength(track.fTrackLength), | |
49d13e89 | 151 | fD(track.fD),fZ(track.fZ), |
152 | fCdd(track.fCdd),fCdz(track.fCdz),fCzz(track.fCzz), | |
90e48c0c | 153 | fStopVertex(track.fStopVertex), |
c9ec41e8 | 154 | fCp(0), |
90e48c0c | 155 | fCchi2(track.fCchi2), |
c9ec41e8 | 156 | fIp(0), |
4aeb9470 | 157 | fTPCInner(0), |
c9ec41e8 | 158 | fOp(0), |
90e48c0c | 159 | fITSchi2(track.fITSchi2), |
160 | fITSncls(track.fITSncls), | |
62665e7f | 161 | fITSClusterMap(track.fITSClusterMap), |
90e48c0c | 162 | fITSsignal(track.fITSsignal), |
163 | fITSLabel(track.fITSLabel), | |
90e48c0c | 164 | fTPCchi2(track.fTPCchi2), |
165 | fTPCncls(track.fTPCncls), | |
e1d4c1b5 | 166 | fTPCnclsF(track.fTPCnclsF), |
90e48c0c | 167 | fTPCClusterMap(track.fTPCClusterMap), |
eb7f6854 | 168 | fTPCSharedMap(track.fTPCSharedMap), |
90e48c0c | 169 | fTPCsignal(track.fTPCsignal), |
e1d4c1b5 | 170 | fTPCsignalN(track.fTPCsignalN), |
171 | fTPCsignalS(track.fTPCsignalS), | |
90e48c0c | 172 | fTPCLabel(track.fTPCLabel), |
173 | fTRDchi2(track.fTRDchi2), | |
174 | fTRDncls(track.fTRDncls), | |
175 | fTRDncls0(track.fTRDncls0), | |
176 | fTRDsignal(track.fTRDsignal), | |
177 | fTRDLabel(track.fTRDLabel), | |
178 | fTRDQuality(track.fTRDQuality), | |
23d49657 | 179 | fTRDBudget(track.fTRDBudget), |
90e48c0c | 180 | fTOFchi2(track.fTOFchi2), |
181 | fTOFindex(track.fTOFindex), | |
85324138 | 182 | fTOFCalChannel(track.fTOFCalChannel), |
90e48c0c | 183 | fTOFsignal(track.fTOFsignal), |
85324138 | 184 | fTOFsignalToT(track.fTOFsignalToT), |
d321691a | 185 | fTOFsignalRaw(track.fTOFsignalRaw), |
186 | fTOFsignalDz(track.fTOFsignalDz), | |
f4b3bbb7 | 187 | fHMPIDchi2(track.fHMPIDchi2), |
188 | fHMPIDqn(track.fHMPIDqn), | |
189 | fHMPIDcluIdx(track.fHMPIDcluIdx), | |
190 | fHMPIDsignal(track.fHMPIDsignal), | |
191 | fHMPIDtrkTheta(track.fHMPIDtrkTheta), | |
192 | fHMPIDtrkPhi(track.fHMPIDtrkPhi), | |
193 | fHMPIDtrkX(track.fHMPIDtrkX), | |
194 | fHMPIDtrkY(track.fHMPIDtrkY), | |
195 | fHMPIDmipX(track.fHMPIDmipX), | |
196 | fHMPIDmipY(track.fHMPIDmipY), | |
2e1dcd14 | 197 | fEMCALindex(track.fEMCALindex), |
8497bca0 | 198 | fFriendTrack(0) |
90e48c0c | 199 | { |
c4d11b15 | 200 | // |
201 | //copy constructor | |
202 | // | |
ef7253ac | 203 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTrackTime[i]=track.fTrackTime[i]; |
204 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fR[i]=track.fR[i]; | |
c4d11b15 | 205 | // |
304864ab | 206 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fITSr[i]=track.fITSr[i]; |
c4d11b15 | 207 | // |
304864ab | 208 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTPCr[i]=track.fTPCr[i]; |
51ad6848 | 209 | for (Int_t i=0;i<4;i++) {fTPCPoints[i]=track.fTPCPoints[i];} |
210 | for (Int_t i=0; i<3;i++) { fKinkIndexes[i]=track.fKinkIndexes[i];} | |
211 | for (Int_t i=0; i<3;i++) { fV0Indexes[i]=track.fV0Indexes[i];} | |
c4d11b15 | 212 | // |
eab5961e | 213 | for (Int_t i=0;i<kNPlane;i++) { |
6d45eaef | 214 | for (Int_t j=0;j<kNSlice;j++) { |
215 | fTRDsignals[i][j]=track.fTRDsignals[i][j]; | |
216 | } | |
217 | fTRDTimBin[i]=track.fTRDTimBin[i]; | |
eab5961e | 218 | } |
304864ab | 219 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTRDr[i]=track.fTRDr[i]; |
304864ab | 220 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTOFr[i]=track.fTOFr[i]; |
51ad6848 | 221 | for (Int_t i=0;i<3;i++) fTOFLabel[i]=track.fTOFLabel[i]; |
222 | for (Int_t i=0;i<10;i++) fTOFInfo[i]=track.fTOFInfo[i]; | |
f4b3bbb7 | 223 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fHMPIDr[i]=track.fHMPIDr[i]; |
c9ec41e8 | 224 | |
225 | if (track.fCp) fCp=new AliExternalTrackParam(*track.fCp); | |
226 | if (track.fIp) fIp=new AliExternalTrackParam(*track.fIp); | |
4aeb9470 | 227 | if (track.fTPCInner) fTPCInner=new AliExternalTrackParam(*track.fTPCInner); |
c9ec41e8 | 228 | if (track.fOp) fOp=new AliExternalTrackParam(*track.fOp); |
15e85efa | 229 | |
8497bca0 | 230 | if (track.fFriendTrack) fFriendTrack=new AliESDfriendTrack(*(track.fFriendTrack)); |
ae982df3 | 231 | } |
15e85efa | 232 | |
49edfa08 | 233 | //_______________________________________________________________________ |
234 | AliESDtrack::AliESDtrack(TParticle * part) : | |
235 | AliExternalTrackParam(), | |
236 | fFlags(0), | |
237 | fLabel(0), | |
238 | fID(0), | |
239 | fTrackLength(0), | |
240 | fD(0),fZ(0), | |
241 | fCdd(0),fCdz(0),fCzz(0), | |
242 | fStopVertex(0), | |
243 | fCp(0), | |
244 | fCchi2(1e10), | |
245 | fIp(0), | |
4aeb9470 | 246 | fTPCInner(0), |
49edfa08 | 247 | fOp(0), |
248 | fITSchi2(0), | |
249 | fITSncls(0), | |
62665e7f | 250 | fITSClusterMap(0), |
49edfa08 | 251 | fITSsignal(0), |
252 | fITSLabel(0), | |
253 | fTPCchi2(0), | |
254 | fTPCncls(0), | |
255 | fTPCnclsF(0), | |
256 | fTPCClusterMap(159),//number of padrows | |
eb7f6854 | 257 | fTPCSharedMap(159),//number of padrows |
49edfa08 | 258 | fTPCsignal(0), |
259 | fTPCsignalN(0), | |
260 | fTPCsignalS(0), | |
261 | fTPCLabel(0), | |
262 | fTRDchi2(0), | |
263 | fTRDncls(0), | |
264 | fTRDncls0(0), | |
265 | fTRDsignal(0), | |
266 | fTRDLabel(0), | |
267 | fTRDQuality(0), | |
268 | fTRDBudget(0), | |
269 | fTOFchi2(0), | |
270 | fTOFindex(0), | |
271 | fTOFCalChannel(-1), | |
272 | fTOFsignal(-1), | |
273 | fTOFsignalToT(0), | |
d321691a | 274 | fTOFsignalRaw(0), |
275 | fTOFsignalDz(0), | |
f4b3bbb7 | 276 | fHMPIDchi2(1e10), |
277 | fHMPIDqn(-1), | |
278 | fHMPIDcluIdx(-1), | |
279 | fHMPIDsignal(-1), | |
280 | fHMPIDtrkTheta(-1), | |
281 | fHMPIDtrkPhi(-1), | |
282 | fHMPIDtrkX(-1), | |
283 | fHMPIDtrkY(-1), | |
284 | fHMPIDmipX(-1), | |
285 | fHMPIDmipY(-1), | |
49edfa08 | 286 | fEMCALindex(kEMCALNoMatch), |
287 | fFriendTrack(0) | |
288 | { | |
289 | // | |
290 | // ESD track from TParticle | |
291 | // | |
292 | ||
293 | // Reset all the arrays | |
294 | Int_t i, j; | |
295 | for (i=0; i<AliPID::kSPECIES; i++) { | |
296 | fTrackTime[i]=0.; | |
297 | fR[i]=0.; | |
298 | fITSr[i]=0.; | |
299 | fTPCr[i]=0.; | |
300 | fTRDr[i]=0.; | |
301 | fTOFr[i]=0.; | |
f4b3bbb7 | 302 | fHMPIDr[i]=0.; |
49edfa08 | 303 | } |
304 | ||
305 | for (i=0; i<3; i++) { fKinkIndexes[i]=0;} | |
306 | for (i=0; i<3; i++) { fV0Indexes[i]=-1;} | |
307 | for (i=0;i<kNPlane;i++) { | |
308 | for (j=0;j<kNSlice;j++) { | |
309 | fTRDsignals[i][j]=0.; | |
310 | } | |
311 | fTRDTimBin[i]=-1; | |
312 | } | |
313 | for (i=0;i<4;i++) {fTPCPoints[i]=-1;} | |
314 | for (i=0;i<3;i++) {fTOFLabel[i]=-1;} | |
315 | for (i=0;i<10;i++) {fTOFInfo[i]=-1;} | |
316 | ||
317 | // Calculate the AliExternalTrackParam content | |
318 | ||
319 | Double_t xref; | |
320 | Double_t alpha; | |
321 | Double_t param[5]; | |
322 | Double_t covar[15]; | |
323 | ||
324 | // Calculate alpha: the rotation angle of the corresponding local system (TPC sector) | |
325 | alpha = part->Phi()*180./TMath::Pi(); | |
326 | if (alpha<0) alpha+= 360.; | |
327 | if (alpha>360) alpha -= 360.; | |
328 | ||
329 | Int_t sector = (Int_t)(alpha/20.); | |
330 | alpha = 10. + 20.*sector; | |
331 | alpha /= 180; | |
332 | alpha *= TMath::Pi(); | |
333 | ||
334 | // Covariance matrix: no errors, the parameters are exact | |
6c27b212 | 335 | for (i=0; i<15; i++) covar[i]=0.; |
49edfa08 | 336 | |
337 | // Get the vertex of origin and the momentum | |
338 | TVector3 ver(part->Vx(),part->Vy(),part->Vz()); | |
339 | TVector3 mom(part->Px(),part->Py(),part->Pz()); | |
340 | ||
341 | // Rotate to the local coordinate system (TPC sector) | |
342 | ver.RotateZ(-alpha); | |
343 | mom.RotateZ(-alpha); | |
344 | ||
345 | // X of the referense plane | |
346 | xref = ver.X(); | |
347 | ||
348 | Int_t pdgCode = part->GetPdgCode(); | |
349 | ||
350 | Double_t charge = | |
351 | TDatabasePDG::Instance()->GetParticle(pdgCode)->Charge(); | |
352 | ||
353 | param[0] = ver.Y(); | |
354 | param[1] = ver.Z(); | |
355 | param[2] = TMath::Sin(mom.Phi()); | |
356 | param[3] = mom.Pz()/mom.Pt(); | |
357 | param[4] = TMath::Sign(1/mom.Pt(),charge); | |
358 | ||
359 | // Set AliExternalTrackParam | |
360 | Set(xref, alpha, param, covar); | |
361 | ||
362 | // Set the PID | |
363 | Int_t indexPID = 99; | |
364 | ||
365 | switch (TMath::Abs(pdgCode)) { | |
366 | ||
367 | case 11: // electron | |
368 | indexPID = 0; | |
369 | break; | |
370 | ||
371 | case 13: // muon | |
372 | indexPID = 1; | |
373 | break; | |
374 | ||
375 | case 211: // pion | |
376 | indexPID = 2; | |
377 | break; | |
378 | ||
379 | case 321: // kaon | |
380 | indexPID = 3; | |
381 | break; | |
382 | ||
383 | case 2212: // proton | |
384 | indexPID = 4; | |
385 | break; | |
386 | ||
387 | default: | |
388 | break; | |
389 | } | |
390 | ||
391 | // If the particle is not e,mu,pi,K or p the PID probabilities are set to 0 | |
392 | if (indexPID < AliPID::kSPECIES) { | |
393 | fR[indexPID]=1.; | |
394 | fITSr[indexPID]=1.; | |
395 | fTPCr[indexPID]=1.; | |
396 | fTRDr[indexPID]=1.; | |
397 | fTOFr[indexPID]=1.; | |
f4b3bbb7 | 398 | fHMPIDr[indexPID]=1.; |
49edfa08 | 399 | |
400 | } | |
401 | // AliESD track label | |
402 | SetLabel(part->GetUniqueID()); | |
403 | ||
404 | } | |
405 | ||
c4d11b15 | 406 | //_______________________________________________________________________ |
407 | AliESDtrack::~AliESDtrack(){ | |
408 | // | |
409 | // This is destructor according Coding Conventrions | |
410 | // | |
411 | //printf("Delete track\n"); | |
c9ec41e8 | 412 | delete fIp; |
4aeb9470 | 413 | delete fTPCInner; |
c9ec41e8 | 414 | delete fOp; |
415 | delete fCp; | |
15e85efa | 416 | delete fFriendTrack; |
c4d11b15 | 417 | } |
ae982df3 | 418 | |
00dce61a | 419 | void AliESDtrack::AddCalibObject(TObject * object){ |
420 | // | |
421 | // add calib object to the list | |
422 | // | |
423 | if (!fFriendTrack) fFriendTrack = new AliESDfriendTrack; | |
424 | fFriendTrack->AddCalibObject(object); | |
425 | } | |
426 | ||
427 | TObject * AliESDtrack::GetCalibObject(Int_t index){ | |
428 | // | |
429 | // return calib objct at given position | |
430 | // | |
431 | if (!fFriendTrack) return 0; | |
432 | return fFriendTrack->GetCalibObject(index); | |
433 | } | |
434 | ||
435 | ||
9559cbc4 | 436 | //_______________________________________________________________________ |
437 | void AliESDtrack::MakeMiniESDtrack(){ | |
438 | // Resets everything except | |
439 | // fFlags: Reconstruction status flags | |
440 | // fLabel: Track label | |
441 | // fID: Unique ID of the track | |
442 | // fD: Impact parameter in XY-plane | |
443 | // fZ: Impact parameter in Z | |
444 | // fR[AliPID::kSPECIES]: combined "detector response probability" | |
8497bca0 | 445 | // Running track parameters in the base class (AliExternalTrackParam) |
9559cbc4 | 446 | |
447 | fTrackLength = 0; | |
448 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTrackTime[i] = 0; | |
449 | fStopVertex = 0; | |
450 | ||
451 | // Reset track parameters constrained to the primary vertex | |
c9ec41e8 | 452 | fCp = 0; |
9559cbc4 | 453 | fCchi2 = 0; |
454 | ||
455 | // Reset track parameters at the inner wall of TPC | |
c9ec41e8 | 456 | fIp = 0; |
4aeb9470 | 457 | fTPCInner=0; |
9559cbc4 | 458 | // Reset track parameters at the inner wall of the TRD |
c9ec41e8 | 459 | fOp = 0; |
9559cbc4 | 460 | |
461 | // Reset ITS track related information | |
462 | fITSchi2 = 0; | |
9559cbc4 | 463 | fITSncls = 0; |
62665e7f | 464 | fITSClusterMap=0; |
9559cbc4 | 465 | fITSsignal = 0; |
ef7253ac | 466 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fITSr[i]=0; |
9559cbc4 | 467 | fITSLabel = 0; |
9559cbc4 | 468 | |
469 | // Reset TPC related track information | |
470 | fTPCchi2 = 0; | |
471 | fTPCncls = 0; | |
e1d4c1b5 | 472 | fTPCnclsF = 0; |
9559cbc4 | 473 | fTPCClusterMap = 0; |
eb7f6854 | 474 | fTPCSharedMap = 0; |
9559cbc4 | 475 | fTPCsignal= 0; |
e1d4c1b5 | 476 | fTPCsignalS= 0; |
477 | fTPCsignalN= 0; | |
9559cbc4 | 478 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTPCr[i]=0; |
479 | fTPCLabel=0; | |
480 | for (Int_t i=0;i<4;i++) fTPCPoints[i] = 0; | |
481 | for (Int_t i=0; i<3;i++) fKinkIndexes[i] = 0; | |
482 | for (Int_t i=0; i<3;i++) fV0Indexes[i] = 0; | |
483 | ||
484 | // Reset TRD related track information | |
485 | fTRDchi2 = 0; | |
486 | fTRDncls = 0; | |
487 | fTRDncls0 = 0; | |
9559cbc4 | 488 | fTRDsignal = 0; |
489 | for (Int_t i=0;i<kNPlane;i++) { | |
6d45eaef | 490 | for (Int_t j=0;j<kNSlice;j++) { |
491 | fTRDsignals[i][j] = 0; | |
492 | } | |
493 | fTRDTimBin[i] = 0; | |
9559cbc4 | 494 | } |
495 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTRDr[i] = 0; | |
496 | fTRDLabel = 0; | |
9559cbc4 | 497 | fTRDQuality = 0; |
23d49657 | 498 | fTRDBudget = 0; |
9559cbc4 | 499 | |
500 | // Reset TOF related track information | |
501 | fTOFchi2 = 0; | |
502 | fTOFindex = 0; | |
503 | fTOFsignal = 0; | |
85324138 | 504 | fTOFCalChannel = -1; |
505 | fTOFsignalToT = 0; | |
d321691a | 506 | fTOFsignalRaw = 0; |
507 | fTOFsignalDz = 0; | |
9559cbc4 | 508 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTOFr[i] = 0; |
509 | for (Int_t i=0;i<3;i++) fTOFLabel[i] = 0; | |
510 | for (Int_t i=0;i<10;i++) fTOFInfo[i] = 0; | |
511 | ||
f4b3bbb7 | 512 | // Reset HMPID related track information |
513 | fHMPIDchi2 = 0; | |
514 | fHMPIDqn = -1; | |
515 | fHMPIDcluIdx = -1; | |
516 | fHMPIDsignal = 0; | |
517 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fHMPIDr[i] = 0; | |
518 | fHMPIDtrkTheta = -1; | |
519 | fHMPIDtrkPhi = -1; | |
520 | fHMPIDtrkX = -1; | |
521 | fHMPIDtrkY = -1; | |
522 | fHMPIDmipX = -1; | |
523 | fHMPIDmipY = -1; | |
2e1dcd14 | 524 | fEMCALindex = kEMCALNoMatch; |
9559cbc4 | 525 | |
15e85efa | 526 | delete fFriendTrack; fFriendTrack = 0; |
9559cbc4 | 527 | } |
ae982df3 | 528 | //_______________________________________________________________________ |
4a78b8c5 | 529 | Double_t AliESDtrack::GetMass() const { |
4427806c | 530 | // Returns the mass of the most probable particle type |
ae982df3 | 531 | Float_t max=0.; |
532 | Int_t k=-1; | |
304864ab | 533 | for (Int_t i=0; i<AliPID::kSPECIES; i++) { |
ae982df3 | 534 | if (fR[i]>max) {k=i; max=fR[i];} |
535 | } | |
db3989b3 | 536 | if (k==0) { // dE/dx "crossing points" in the TPC |
537 | Double_t p=GetP(); | |
538 | if ((p>0.38)&&(p<0.48)) | |
304864ab | 539 | if (fR[0]<fR[3]*10.) return AliPID::ParticleMass(AliPID::kKaon); |
db3989b3 | 540 | if ((p>0.75)&&(p<0.85)) |
304864ab | 541 | if (fR[0]<fR[4]*10.) return AliPID::ParticleMass(AliPID::kProton); |
db3989b3 | 542 | return 0.00051; |
543 | } | |
304864ab | 544 | if (k==1) return AliPID::ParticleMass(AliPID::kMuon); |
545 | if (k==2||k==-1) return AliPID::ParticleMass(AliPID::kPion); | |
546 | if (k==3) return AliPID::ParticleMass(AliPID::kKaon); | |
547 | if (k==4) return AliPID::ParticleMass(AliPID::kProton); | |
5f7789fc | 548 | AliWarning("Undefined mass !"); |
304864ab | 549 | return AliPID::ParticleMass(AliPID::kPion); |
ae982df3 | 550 | } |
551 | ||
552 | //_______________________________________________________________________ | |
c9ec41e8 | 553 | Bool_t AliESDtrack::UpdateTrackParams(const AliKalmanTrack *t, ULong_t flags){ |
ae982df3 | 554 | // |
555 | // This function updates track's running parameters | |
556 | // | |
15e85efa | 557 | Int_t *index=0; |
15614b8b | 558 | Bool_t rc=kTRUE; |
559 | ||
9b859005 | 560 | SetStatus(flags); |
561 | fLabel=t->GetLabel(); | |
562 | ||
563 | if (t->IsStartedTimeIntegral()) { | |
564 | SetStatus(kTIME); | |
565 | Double_t times[10];t->GetIntegratedTimes(times); SetIntegratedTimes(times); | |
566 | SetIntegratedLength(t->GetIntegratedLength()); | |
567 | } | |
568 | ||
6c94f330 | 569 | Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance()); |
e1d4c1b5 | 570 | |
ae982df3 | 571 | switch (flags) { |
ad2f1f2b | 572 | |
9b859005 | 573 | case kITSin: case kITSout: case kITSrefit: |
ae982df3 | 574 | fITSncls=t->GetNumberOfClusters(); |
62665e7f | 575 | index=fFriendTrack->GetITSindices(); |
576 | for (Int_t i=0;i<AliESDfriendTrack::kMaxITScluster;i++) { | |
577 | index[i]=t->GetClusterIndex(i); | |
578 | if (i<fITSncls) { | |
579 | Int_t l=(index[i] & 0xf0000000) >> 28; | |
580 | SETBIT(fITSClusterMap,l); | |
581 | } | |
582 | } | |
ae982df3 | 583 | fITSchi2=t->GetChi2(); |
ae982df3 | 584 | fITSsignal=t->GetPIDsignal(); |
6e5b1b04 | 585 | fITSLabel = t->GetLabel(); |
ae982df3 | 586 | break; |
ad2f1f2b | 587 | |
9b859005 | 588 | case kTPCin: case kTPCrefit: |
6e5b1b04 | 589 | fTPCLabel = t->GetLabel(); |
4aeb9470 | 590 | if (flags==kTPCin) fTPCInner=new AliExternalTrackParam(*t); |
c9ec41e8 | 591 | if (!fIp) fIp=new AliExternalTrackParam(*t); |
6c94f330 | 592 | else |
593 | fIp->Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance()); | |
9b859005 | 594 | case kTPCout: |
15e85efa | 595 | index=fFriendTrack->GetTPCindices(); |
1d303a24 | 596 | if (flags & kTPCout){ |
597 | if (!fOp) fOp=new AliExternalTrackParam(*t); | |
6c94f330 | 598 | else |
599 | fOp->Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance()); | |
1d303a24 | 600 | } |
e1d4c1b5 | 601 | fTPCncls=t->GetNumberOfClusters(); |
ae982df3 | 602 | fTPCchi2=t->GetChi2(); |
a866ac60 | 603 | |
604 | {//prevrow must be declared in separate namespace, otherwise compiler cries: | |
605 | //"jump to case label crosses initialization of `Int_t prevrow'" | |
606 | Int_t prevrow = -1; | |
6e5b1b04 | 607 | // for (Int_t i=0;i<fTPCncls;i++) |
15e85efa | 608 | for (Int_t i=0;i<AliESDfriendTrack::kMaxTPCcluster;i++) |
a866ac60 | 609 | { |
15e85efa | 610 | index[i]=t->GetClusterIndex(i); |
611 | Int_t idx = index[i]; | |
a866ac60 | 612 | |
15e85efa | 613 | if (idx<0) continue; |
9fe5b2ff | 614 | |
a866ac60 | 615 | // Piotr's Cluster Map for HBT |
616 | // ### please change accordingly if cluster array is changing | |
617 | // to "New TPC Tracking" style (with gaps in array) | |
a866ac60 | 618 | Int_t sect = (idx&0xff000000)>>24; |
619 | Int_t row = (idx&0x00ff0000)>>16; | |
620 | if (sect > 18) row +=63; //if it is outer sector, add number of inner sectors | |
621 | ||
622 | fTPCClusterMap.SetBitNumber(row,kTRUE); | |
623 | ||
624 | //Fill the gap between previous row and this row with 0 bits | |
625 | //In case ### pleas change it as well - just set bit 0 in case there | |
626 | //is no associated clusters for current "i" | |
627 | if (prevrow < 0) | |
628 | { | |
629 | prevrow = row;//if previous bit was not assigned yet == this is the first one | |
630 | } | |
631 | else | |
632 | { //we don't know the order (inner to outer or reverse) | |
633 | //just to be save in case it is going to change | |
634 | Int_t n = 0, m = 0; | |
635 | if (prevrow < row) | |
636 | { | |
637 | n = prevrow; | |
638 | m = row; | |
639 | } | |
640 | else | |
641 | { | |
642 | n = row; | |
643 | m = prevrow; | |
644 | } | |
645 | ||
646 | for (Int_t j = n+1; j < m; j++) | |
647 | { | |
648 | fTPCClusterMap.SetBitNumber(j,kFALSE); | |
649 | } | |
650 | prevrow = row; | |
651 | } | |
652 | // End Of Piotr's Cluster Map for HBT | |
653 | } | |
654 | } | |
ae982df3 | 655 | fTPCsignal=t->GetPIDsignal(); |
ae982df3 | 656 | break; |
9b859005 | 657 | |
23904d16 | 658 | case kTRDout: case kTRDin: case kTRDrefit: |
15e85efa | 659 | index=fFriendTrack->GetTRDindices(); |
51ad6848 | 660 | fTRDLabel = t->GetLabel(); |
79e94bf8 | 661 | fTRDncls=t->GetNumberOfClusters(); |
662 | fTRDchi2=t->GetChi2(); | |
15e85efa | 663 | for (Int_t i=0;i<fTRDncls;i++) index[i]=t->GetClusterIndex(i); |
79e94bf8 | 664 | fTRDsignal=t->GetPIDsignal(); |
665 | break; | |
c4d11b15 | 666 | case kTRDbackup: |
c9ec41e8 | 667 | if (!fOp) fOp=new AliExternalTrackParam(*t); |
6c94f330 | 668 | else |
669 | fOp->Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance()); | |
c4d11b15 | 670 | fTRDncls0 = t->GetNumberOfClusters(); |
671 | break; | |
672 | case kTOFin: | |
673 | break; | |
674 | case kTOFout: | |
675 | break; | |
d0862fea | 676 | case kTRDStop: |
677 | break; | |
ae982df3 | 678 | default: |
5f7789fc | 679 | AliError("Wrong flag !"); |
ae982df3 | 680 | return kFALSE; |
681 | } | |
682 | ||
15614b8b | 683 | return rc; |
ae982df3 | 684 | } |
685 | ||
686 | //_______________________________________________________________________ | |
687 | void AliESDtrack::GetExternalParameters(Double_t &x, Double_t p[5]) const { | |
688 | //--------------------------------------------------------------------- | |
689 | // This function returns external representation of the track parameters | |
690 | //--------------------------------------------------------------------- | |
c9ec41e8 | 691 | x=GetX(); |
692 | for (Int_t i=0; i<5; i++) p[i]=GetParameter()[i]; | |
15614b8b | 693 | } |
694 | ||
67c3dcbe | 695 | //_______________________________________________________________________ |
a866ac60 | 696 | void AliESDtrack::GetExternalCovariance(Double_t cov[15]) const { |
67c3dcbe | 697 | //--------------------------------------------------------------------- |
698 | // This function returns external representation of the cov. matrix | |
699 | //--------------------------------------------------------------------- | |
c9ec41e8 | 700 | for (Int_t i=0; i<15; i++) cov[i]=AliExternalTrackParam::GetCovariance()[i]; |
67c3dcbe | 701 | } |
702 | ||
67c3dcbe | 703 | //_______________________________________________________________________ |
c0b978f0 | 704 | Bool_t AliESDtrack::GetConstrainedExternalParameters |
705 | (Double_t &alpha, Double_t &x, Double_t p[5]) const { | |
67c3dcbe | 706 | //--------------------------------------------------------------------- |
707 | // This function returns the constrained external track parameters | |
708 | //--------------------------------------------------------------------- | |
c0b978f0 | 709 | if (!fCp) return kFALSE; |
710 | alpha=fCp->GetAlpha(); | |
c9ec41e8 | 711 | x=fCp->GetX(); |
712 | for (Int_t i=0; i<5; i++) p[i]=fCp->GetParameter()[i]; | |
c0b978f0 | 713 | return kTRUE; |
67c3dcbe | 714 | } |
c9ec41e8 | 715 | |
67c3dcbe | 716 | //_______________________________________________________________________ |
c0b978f0 | 717 | Bool_t |
67c3dcbe | 718 | AliESDtrack::GetConstrainedExternalCovariance(Double_t c[15]) const { |
719 | //--------------------------------------------------------------------- | |
720 | // This function returns the constrained external cov. matrix | |
721 | //--------------------------------------------------------------------- | |
c0b978f0 | 722 | if (!fCp) return kFALSE; |
c9ec41e8 | 723 | for (Int_t i=0; i<15; i++) c[i]=fCp->GetCovariance()[i]; |
c0b978f0 | 724 | return kTRUE; |
67c3dcbe | 725 | } |
726 | ||
c0b978f0 | 727 | Bool_t |
728 | AliESDtrack::GetInnerExternalParameters | |
729 | (Double_t &alpha, Double_t &x, Double_t p[5]) const { | |
730 | //--------------------------------------------------------------------- | |
c9ec41e8 | 731 | // This function returns external representation of the track parameters |
732 | // at the inner layer of TPC | |
9b859005 | 733 | //--------------------------------------------------------------------- |
c0b978f0 | 734 | if (!fIp) return kFALSE; |
735 | alpha=fIp->GetAlpha(); | |
c9ec41e8 | 736 | x=fIp->GetX(); |
737 | for (Int_t i=0; i<5; i++) p[i]=fIp->GetParameter()[i]; | |
c0b978f0 | 738 | return kTRUE; |
9b859005 | 739 | } |
740 | ||
c0b978f0 | 741 | Bool_t |
742 | AliESDtrack::GetInnerExternalCovariance(Double_t cov[15]) const { | |
c9ec41e8 | 743 | //--------------------------------------------------------------------- |
744 | // This function returns external representation of the cov. matrix | |
745 | // at the inner layer of TPC | |
746 | //--------------------------------------------------------------------- | |
c0b978f0 | 747 | if (!fIp) return kFALSE; |
c9ec41e8 | 748 | for (Int_t i=0; i<15; i++) cov[i]=fIp->GetCovariance()[i]; |
c0b978f0 | 749 | return kTRUE; |
9b859005 | 750 | } |
751 | ||
c0b978f0 | 752 | Bool_t |
753 | AliESDtrack::GetOuterExternalParameters | |
754 | (Double_t &alpha, Double_t &x, Double_t p[5]) const { | |
755 | //--------------------------------------------------------------------- | |
c9ec41e8 | 756 | // This function returns external representation of the track parameters |
757 | // at the inner layer of TRD | |
a866ac60 | 758 | //--------------------------------------------------------------------- |
c0b978f0 | 759 | if (!fOp) return kFALSE; |
760 | alpha=fOp->GetAlpha(); | |
c9ec41e8 | 761 | x=fOp->GetX(); |
762 | for (Int_t i=0; i<5; i++) p[i]=fOp->GetParameter()[i]; | |
c0b978f0 | 763 | return kTRUE; |
a866ac60 | 764 | } |
c9ec41e8 | 765 | |
c0b978f0 | 766 | Bool_t |
767 | AliESDtrack::GetOuterExternalCovariance(Double_t cov[15]) const { | |
a866ac60 | 768 | //--------------------------------------------------------------------- |
c9ec41e8 | 769 | // This function returns external representation of the cov. matrix |
770 | // at the inner layer of TRD | |
a866ac60 | 771 | //--------------------------------------------------------------------- |
c0b978f0 | 772 | if (!fOp) return kFALSE; |
c9ec41e8 | 773 | for (Int_t i=0; i<15; i++) cov[i]=fOp->GetCovariance()[i]; |
c0b978f0 | 774 | return kTRUE; |
a866ac60 | 775 | } |
776 | ||
98937d93 | 777 | Int_t AliESDtrack::GetNcls(Int_t idet) const |
778 | { | |
779 | // Get number of clusters by subdetector index | |
780 | // | |
781 | Int_t ncls = 0; | |
782 | switch(idet){ | |
783 | case 0: | |
784 | ncls = fITSncls; | |
785 | break; | |
786 | case 1: | |
787 | ncls = fTPCncls; | |
788 | break; | |
789 | case 2: | |
790 | ncls = fTRDncls; | |
791 | break; | |
792 | case 3: | |
793 | if (fTOFindex != 0) | |
794 | ncls = 1; | |
795 | break; | |
796 | default: | |
797 | break; | |
798 | } | |
799 | return ncls; | |
800 | } | |
801 | ||
ef7253ac | 802 | Int_t AliESDtrack::GetClusters(Int_t idet, Int_t *idx) const |
98937d93 | 803 | { |
804 | // Get cluster index array by subdetector index | |
805 | // | |
806 | Int_t ncls = 0; | |
807 | switch(idet){ | |
808 | case 0: | |
809 | ncls = GetITSclusters(idx); | |
810 | break; | |
811 | case 1: | |
ef7253ac | 812 | ncls = GetTPCclusters(idx); |
98937d93 | 813 | break; |
814 | case 2: | |
815 | ncls = GetTRDclusters(idx); | |
816 | break; | |
817 | case 3: | |
818 | if (fTOFindex != 0) { | |
819 | idx[0] = GetTOFcluster(); | |
820 | ncls = 1; | |
821 | } | |
822 | break; | |
823 | default: | |
824 | break; | |
825 | } | |
826 | return ncls; | |
827 | } | |
828 | ||
ae982df3 | 829 | //_______________________________________________________________________ |
830 | void AliESDtrack::GetIntegratedTimes(Double_t *times) const { | |
4427806c | 831 | // Returns the array with integrated times for each particle hypothesis |
304864ab | 832 | for (Int_t i=0; i<AliPID::kSPECIES; i++) times[i]=fTrackTime[i]; |
ae982df3 | 833 | } |
834 | ||
835 | //_______________________________________________________________________ | |
836 | void AliESDtrack::SetIntegratedTimes(const Double_t *times) { | |
4427806c | 837 | // Sets the array with integrated times for each particle hypotesis |
304864ab | 838 | for (Int_t i=0; i<AliPID::kSPECIES; i++) fTrackTime[i]=times[i]; |
ae982df3 | 839 | } |
840 | ||
c630aafd | 841 | //_______________________________________________________________________ |
4427806c | 842 | void AliESDtrack::SetITSpid(const Double_t *p) { |
843 | // Sets values for the probability of each particle type (in ITS) | |
d27bbc79 | 844 | SetPIDValues(fITSr,p,AliPID::kSPECIES); |
c630aafd | 845 | SetStatus(AliESDtrack::kITSpid); |
846 | } | |
847 | ||
848 | //_______________________________________________________________________ | |
849 | void AliESDtrack::GetITSpid(Double_t *p) const { | |
4427806c | 850 | // Gets the probability of each particle type (in ITS) |
304864ab | 851 | for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fITSr[i]; |
c630aafd | 852 | } |
853 | ||
ae982df3 | 854 | //_______________________________________________________________________ |
ef7253ac | 855 | Int_t AliESDtrack::GetITSclusters(Int_t *idx) const { |
ae982df3 | 856 | //--------------------------------------------------------------------- |
857 | // This function returns indices of the assgined ITS clusters | |
858 | //--------------------------------------------------------------------- | |
15e85efa | 859 | if (idx!=0) { |
860 | Int_t *index=fFriendTrack->GetITSindices(); | |
861 | for (Int_t i=0; i<AliESDfriendTrack::kMaxITScluster; i++) idx[i]=index[i]; | |
862 | } | |
ae982df3 | 863 | return fITSncls; |
864 | } | |
865 | ||
866 | //_______________________________________________________________________ | |
05e445cd | 867 | Int_t AliESDtrack::GetTPCclusters(Int_t *idx) const { |
ae982df3 | 868 | //--------------------------------------------------------------------- |
869 | // This function returns indices of the assgined ITS clusters | |
870 | //--------------------------------------------------------------------- | |
15e85efa | 871 | if (idx!=0) { |
872 | Int_t *index=fFriendTrack->GetTPCindices(); | |
873 | for (Int_t i=0; i<AliESDfriendTrack::kMaxTPCcluster; i++) idx[i]=index[i]; | |
874 | } | |
ae982df3 | 875 | return fTPCncls; |
876 | } | |
8c6a71ab | 877 | |
81e97e0d | 878 | Float_t AliESDtrack::GetTPCdensity(Int_t row0, Int_t row1) const{ |
879 | // | |
880 | // GetDensity of the clusters on given region between row0 and row1 | |
881 | // Dead zone effect takin into acoount | |
882 | // | |
883 | Int_t good = 0; | |
884 | Int_t found = 0; | |
885 | // | |
15e85efa | 886 | Int_t *index=fFriendTrack->GetTPCindices(); |
81e97e0d | 887 | for (Int_t i=row0;i<=row1;i++){ |
15e85efa | 888 | Int_t idx = index[i]; |
889 | if (idx!=-1) good++; // track outside of dead zone | |
890 | if (idx>0) found++; | |
81e97e0d | 891 | } |
892 | Float_t density=0.5; | |
893 | if (good>(row1-row0)*0.5) density = Float_t(found)/Float_t(good); | |
894 | return density; | |
895 | } | |
c84a5e9e | 896 | |
8c6a71ab | 897 | //_______________________________________________________________________ |
898 | void AliESDtrack::SetTPCpid(const Double_t *p) { | |
4427806c | 899 | // Sets values for the probability of each particle type (in TPC) |
d27bbc79 | 900 | SetPIDValues(fTPCr,p,AliPID::kSPECIES); |
8c6a71ab | 901 | SetStatus(AliESDtrack::kTPCpid); |
902 | } | |
903 | ||
904 | //_______________________________________________________________________ | |
905 | void AliESDtrack::GetTPCpid(Double_t *p) const { | |
4427806c | 906 | // Gets the probability of each particle type (in TPC) |
304864ab | 907 | for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fTPCr[i]; |
8c6a71ab | 908 | } |
909 | ||
bb2ceb1f | 910 | //_______________________________________________________________________ |
ef7253ac | 911 | Int_t AliESDtrack::GetTRDclusters(Int_t *idx) const { |
bb2ceb1f | 912 | //--------------------------------------------------------------------- |
913 | // This function returns indices of the assgined TRD clusters | |
914 | //--------------------------------------------------------------------- | |
15e85efa | 915 | if (idx!=0) { |
916 | Int_t *index=fFriendTrack->GetTRDindices(); | |
917 | for (Int_t i=0; i<AliESDfriendTrack::kMaxTRDcluster; i++) idx[i]=index[i]; | |
918 | } | |
bb2ceb1f | 919 | return fTRDncls; |
920 | } | |
921 | ||
c630aafd | 922 | //_______________________________________________________________________ |
923 | void AliESDtrack::SetTRDpid(const Double_t *p) { | |
4427806c | 924 | // Sets values for the probability of each particle type (in TRD) |
d27bbc79 | 925 | SetPIDValues(fTRDr,p,AliPID::kSPECIES); |
c630aafd | 926 | SetStatus(AliESDtrack::kTRDpid); |
927 | } | |
928 | ||
929 | //_______________________________________________________________________ | |
930 | void AliESDtrack::GetTRDpid(Double_t *p) const { | |
4427806c | 931 | // Gets the probability of each particle type (in TRD) |
304864ab | 932 | for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fTRDr[i]; |
c630aafd | 933 | } |
934 | ||
79e94bf8 | 935 | //_______________________________________________________________________ |
936 | void AliESDtrack::SetTRDpid(Int_t iSpecies, Float_t p) | |
937 | { | |
4427806c | 938 | // Sets the probability of particle type iSpecies to p (in TRD) |
79e94bf8 | 939 | fTRDr[iSpecies] = p; |
940 | } | |
941 | ||
942 | Float_t AliESDtrack::GetTRDpid(Int_t iSpecies) const | |
943 | { | |
4427806c | 944 | // Returns the probability of particle type iSpecies (in TRD) |
79e94bf8 | 945 | return fTRDr[iSpecies]; |
946 | } | |
947 | ||
c630aafd | 948 | //_______________________________________________________________________ |
949 | void AliESDtrack::SetTOFpid(const Double_t *p) { | |
4427806c | 950 | // Sets the probability of each particle type (in TOF) |
d27bbc79 | 951 | SetPIDValues(fTOFr,p,AliPID::kSPECIES); |
c630aafd | 952 | SetStatus(AliESDtrack::kTOFpid); |
953 | } | |
954 | ||
51ad6848 | 955 | //_______________________________________________________________________ |
956 | void AliESDtrack::SetTOFLabel(const Int_t *p) { | |
957 | // Sets (in TOF) | |
958 | for (Int_t i=0; i<3; i++) fTOFLabel[i]=p[i]; | |
959 | } | |
960 | ||
c630aafd | 961 | //_______________________________________________________________________ |
962 | void AliESDtrack::GetTOFpid(Double_t *p) const { | |
4427806c | 963 | // Gets probabilities of each particle type (in TOF) |
304864ab | 964 | for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fTOFr[i]; |
c630aafd | 965 | } |
966 | ||
51ad6848 | 967 | //_______________________________________________________________________ |
968 | void AliESDtrack::GetTOFLabel(Int_t *p) const { | |
969 | // Gets (in TOF) | |
970 | for (Int_t i=0; i<3; i++) p[i]=fTOFLabel[i]; | |
971 | } | |
972 | ||
973 | //_______________________________________________________________________ | |
974 | void AliESDtrack::GetTOFInfo(Float_t *info) const { | |
975 | // Gets (in TOF) | |
976 | for (Int_t i=0; i<10; i++) info[i]=fTOFInfo[i]; | |
977 | } | |
978 | ||
979 | //_______________________________________________________________________ | |
980 | void AliESDtrack::SetTOFInfo(Float_t*info) { | |
981 | // Gets (in TOF) | |
982 | for (Int_t i=0; i<10; i++) fTOFInfo[i]=info[i]; | |
983 | } | |
984 | ||
4a78b8c5 | 985 | |
986 | ||
4a78b8c5 | 987 | //_______________________________________________________________________ |
f4b3bbb7 | 988 | void AliESDtrack::SetHMPIDpid(const Double_t *p) { |
989 | // Sets the probability of each particle type (in HMPID) | |
990 | SetPIDValues(fHMPIDr,p,AliPID::kSPECIES); | |
991 | SetStatus(AliESDtrack::kHMPIDpid); | |
4a78b8c5 | 992 | } |
993 | ||
994 | //_______________________________________________________________________ | |
f4b3bbb7 | 995 | void AliESDtrack::GetHMPIDpid(Double_t *p) const { |
996 | // Gets probabilities of each particle type (in HMPID) | |
997 | for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fHMPIDr[i]; | |
4a78b8c5 | 998 | } |
999 | ||
1000 | ||
1001 | ||
8c6a71ab | 1002 | //_______________________________________________________________________ |
1003 | void AliESDtrack::SetESDpid(const Double_t *p) { | |
4427806c | 1004 | // Sets the probability of each particle type for the ESD track |
d27bbc79 | 1005 | SetPIDValues(fR,p,AliPID::kSPECIES); |
8c6a71ab | 1006 | SetStatus(AliESDtrack::kESDpid); |
1007 | } | |
1008 | ||
1009 | //_______________________________________________________________________ | |
1010 | void AliESDtrack::GetESDpid(Double_t *p) const { | |
4427806c | 1011 | // Gets probability of each particle type for the ESD track |
304864ab | 1012 | for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fR[i]; |
8c6a71ab | 1013 | } |
1014 | ||
49d13e89 | 1015 | //_______________________________________________________________________ |
1016 | Bool_t AliESDtrack::RelateToVertex | |
1017 | (const AliESDVertex *vtx, Double_t b, Double_t maxd) { | |
1018 | // | |
1019 | // Try to relate this track to the vertex "vtx", | |
1020 | // if the (rough) transverse impact parameter is not bigger then "maxd". | |
1021 | // Magnetic field is "b" (kG). | |
1022 | // | |
1023 | // a) The track gets extapolated to the DCA to the vertex. | |
1024 | // b) The impact parameters and their covariance matrix are calculated. | |
1025 | // c) An attempt to constrain this track to the vertex is done. | |
1026 | // | |
1027 | // In the case of success, the returned value is kTRUE | |
1028 | // (otherwise, it's kFALSE) | |
1029 | // | |
b5d34a4c | 1030 | |
1031 | if (!vtx) return kFALSE; | |
1032 | ||
49d13e89 | 1033 | Double_t alpha=GetAlpha(); |
1034 | Double_t sn=TMath::Sin(alpha), cs=TMath::Cos(alpha); | |
1035 | Double_t x=GetX(), y=GetParameter()[0], snp=GetParameter()[2]; | |
1036 | Double_t xv= vtx->GetXv()*cs + vtx->GetYv()*sn; | |
1037 | Double_t yv=-vtx->GetXv()*sn + vtx->GetYv()*cs, zv=vtx->GetZv(); | |
1038 | x-=xv; y-=yv; | |
1039 | ||
1040 | //Estimate the impact parameter neglecting the track curvature | |
1041 | Double_t d=TMath::Abs(x*snp - y*TMath::Sqrt(1.- snp*snp)); | |
1042 | if (d > maxd) return kFALSE; | |
1043 | ||
1044 | //Propagate to the DCA | |
5773defd | 1045 | Double_t crv=kB2C*b*GetParameter()[4]; |
1046 | if (TMath::Abs(b) < kAlmost0Field) crv=0.; | |
1047 | ||
49d13e89 | 1048 | Double_t tgfv=-(crv*x - snp)/(crv*y + TMath::Sqrt(1.-snp*snp)); |
f54395bf | 1049 | sn=tgfv/TMath::Sqrt(1.+ tgfv*tgfv); |
1050 | if (TMath::Abs(tgfv)>0.) cs = sn/tgfv; | |
1051 | else cs=1.; | |
49d13e89 | 1052 | |
1053 | x = xv*cs + yv*sn; | |
1054 | yv=-xv*sn + yv*cs; xv=x; | |
1055 | ||
1056 | if (!Propagate(alpha+TMath::ASin(sn),xv,b)) return kFALSE; | |
1057 | ||
1058 | fD = GetParameter()[0] - yv; | |
1059 | fZ = GetParameter()[1] - zv; | |
1060 | ||
1061 | Double_t cov[6]; vtx->GetCovMatrix(cov); | |
3231f9e5 | 1062 | |
1063 | //***** Improvements by A.Dainese | |
1064 | alpha=GetAlpha(); sn=TMath::Sin(alpha); cs=TMath::Cos(alpha); | |
1065 | Double_t s2ylocvtx = cov[0]*sn*sn + cov[2]*cs*cs - 2.*cov[1]*cs*sn; | |
1066 | fCdd = GetCovariance()[0] + s2ylocvtx; // neglecting correlations | |
b67517ef | 1067 | fCdz = GetCovariance()[1]; // between (x,y) and z |
3231f9e5 | 1068 | fCzz = GetCovariance()[2] + cov[5]; // in vertex's covariance matrix |
1069 | //***** | |
49d13e89 | 1070 | |
1071 | {//Try to constrain | |
1072 | Double_t p[2]={yv,zv}, c[3]={cov[2],0.,cov[5]}; | |
1073 | Double_t chi2=GetPredictedChi2(p,c); | |
1074 | ||
1075 | if (chi2>77.) return kFALSE; | |
1076 | ||
1077 | AliExternalTrackParam tmp(*this); | |
1078 | if (!tmp.Update(p,c)) return kFALSE; | |
1079 | ||
1080 | fCchi2=chi2; | |
1081 | if (!fCp) fCp=new AliExternalTrackParam(); | |
1082 | new (fCp) AliExternalTrackParam(tmp); | |
1083 | } | |
1084 | ||
1085 | return kTRUE; | |
1086 | } | |
1087 | ||
ac2f7574 | 1088 | //_______________________________________________________________________ |
1089 | void AliESDtrack::Print(Option_t *) const { | |
1090 | // Prints info on the track | |
1091 | ||
5f7789fc | 1092 | printf("ESD track info\n") ; |
304864ab | 1093 | Double_t p[AliPID::kSPECIESN] ; |
ac2f7574 | 1094 | Int_t index = 0 ; |
1095 | if( IsOn(kITSpid) ){ | |
1096 | printf("From ITS: ") ; | |
1097 | GetITSpid(p) ; | |
304864ab | 1098 | for(index = 0 ; index < AliPID::kSPECIES; index++) |
ac2f7574 | 1099 | printf("%f, ", p[index]) ; |
1100 | printf("\n signal = %f\n", GetITSsignal()) ; | |
1101 | } | |
1102 | if( IsOn(kTPCpid) ){ | |
1103 | printf("From TPC: ") ; | |
1104 | GetTPCpid(p) ; | |
304864ab | 1105 | for(index = 0 ; index < AliPID::kSPECIES; index++) |
ac2f7574 | 1106 | printf("%f, ", p[index]) ; |
1107 | printf("\n signal = %f\n", GetTPCsignal()) ; | |
1108 | } | |
1109 | if( IsOn(kTRDpid) ){ | |
1110 | printf("From TRD: ") ; | |
1111 | GetTRDpid(p) ; | |
304864ab | 1112 | for(index = 0 ; index < AliPID::kSPECIES; index++) |
ac2f7574 | 1113 | printf("%f, ", p[index]) ; |
1114 | printf("\n signal = %f\n", GetTRDsignal()) ; | |
1115 | } | |
1116 | if( IsOn(kTOFpid) ){ | |
1117 | printf("From TOF: ") ; | |
1118 | GetTOFpid(p) ; | |
304864ab | 1119 | for(index = 0 ; index < AliPID::kSPECIES; index++) |
ac2f7574 | 1120 | printf("%f, ", p[index]) ; |
1121 | printf("\n signal = %f\n", GetTOFsignal()) ; | |
1122 | } | |
f4b3bbb7 | 1123 | if( IsOn(kHMPIDpid) ){ |
1124 | printf("From HMPID: ") ; | |
1125 | GetHMPIDpid(p) ; | |
304864ab | 1126 | for(index = 0 ; index < AliPID::kSPECIES; index++) |
ac2f7574 | 1127 | printf("%f, ", p[index]) ; |
f4b3bbb7 | 1128 | printf("\n signal = %f\n", GetHMPIDsignal()) ; |
ac2f7574 | 1129 | } |
ac2f7574 | 1130 | } |
6c94f330 | 1131 |