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[u/mrichter/AliRoot.git] / STEER / STEERBase / AliPIDResponse.cxx
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29bf19f2 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 **************************************************************************/
15
4ec8e76d 16/* $Id: AliPIDResponse.cxx 46193 2010-12-21 09:00:14Z wiechula $ */
29bf19f2 17
18//-----------------------------------------------------------------
4ec8e76d 19// Base class for handling the pid response //
20// functions of all detectors //
21// and give access to the nsigmas //
22// //
23// Origin: Jens Wiechula, Uni Tuebingen, jens.wiechula@cern.ch //
29bf19f2 24//-----------------------------------------------------------------
25
4ec8e76d 26#include <TList.h>
27#include <TObjArray.h>
28#include <TPRegexp.h>
29#include <TF1.h>
f84b18dd 30#include <TH2D.h>
4ec8e76d 31#include <TSpline.h>
32#include <TFile.h>
00a38d07 33#include <TArrayI.h>
db0e2c5f 34#include <TArrayF.h>
f84b18dd 35#include <TLinearFitter.h>
4ec8e76d 36
37#include <AliVEvent.h>
fd21ec8d 38#include <AliVTrack.h>
4ec8e76d 39#include <AliLog.h>
40#include <AliPID.h>
ea235c90 41#include <AliOADBContainer.h>
db0e2c5f 42#include <AliTRDPIDResponseObject.h>
b79db598 43#include <AliTOFPIDParams.h>
29bf19f2 44
45#include "AliPIDResponse.h"
00a38d07 46#include "AliDetectorPID.h"
29bf19f2 47
80f28562 48#include "AliCentrality.h"
49
29bf19f2 50ClassImp(AliPIDResponse);
51
4ec8e76d 52AliPIDResponse::AliPIDResponse(Bool_t isMC/*=kFALSE*/) :
53TNamed("PIDResponse","PIDResponse"),
54fITSResponse(isMC),
55fTPCResponse(),
56fTRDResponse(),
57fTOFResponse(),
e96b9916 58fEMCALResponse(),
fd21ec8d 59fRange(5.),
60fITSPIDmethod(kITSTruncMean),
4ec8e76d 61fIsMC(isMC),
1c9d11be 62fCachePID(kTRUE),
4ec8e76d 63fOADBPath(),
00a38d07 64fCustomTPCpidResponse(),
4ec8e76d 65fBeamType("PP"),
66fLHCperiod(),
67fMCperiodTPC(),
fd21ec8d 68fMCperiodUser(),
ea235c90 69fCurrentFile(),
4ec8e76d 70fRecoPass(0),
fd21ec8d 71fRecoPassUser(-1),
4ec8e76d 72fRun(0),
73fOldRun(0),
78cbd205 74fResT0A(75.),
75fResT0C(65.),
76fResT0AC(55.),
644666df 77fArrPidResponseMaster(NULL),
78fResolutionCorrection(NULL),
79fOADBvoltageMaps(NULL),
f84b18dd 80fUseTPCEtaCorrection(kFALSE),//TODO: In future, default kTRUE
644666df 81fTRDPIDResponseObject(NULL),
0b39f221 82fTOFtail(1.1),
644666df 83fTOFPIDParams(NULL),
84fEMCALPIDParams(NULL),
85fCurrentEvent(NULL),
539a5a59 86fCurrCentrality(0.0),
87fTuneMConData(kFALSE)
4ec8e76d 88{
89 //
90 // default ctor
91 //
a635821f 92 AliLog::SetClassDebugLevel("AliPIDResponse",0);
93 AliLog::SetClassDebugLevel("AliESDpid",0);
94 AliLog::SetClassDebugLevel("AliAODpidUtil",0);
ea235c90 95
4ec8e76d 96}
97
98//______________________________________________________________________________
99AliPIDResponse::~AliPIDResponse()
100{
101 //
102 // dtor
103 //
00a38d07 104 delete fArrPidResponseMaster;
105 delete fTRDPIDResponseObject;
106 delete fTOFPIDParams;
4ec8e76d 107}
108
109//______________________________________________________________________________
110AliPIDResponse::AliPIDResponse(const AliPIDResponse &other) :
111TNamed(other),
112fITSResponse(other.fITSResponse),
113fTPCResponse(other.fTPCResponse),
114fTRDResponse(other.fTRDResponse),
115fTOFResponse(other.fTOFResponse),
e96b9916 116fEMCALResponse(other.fEMCALResponse),
fd21ec8d 117fRange(other.fRange),
118fITSPIDmethod(other.fITSPIDmethod),
4ec8e76d 119fIsMC(other.fIsMC),
1c9d11be 120fCachePID(other.fCachePID),
4ec8e76d 121fOADBPath(other.fOADBPath),
00a38d07 122fCustomTPCpidResponse(other.fCustomTPCpidResponse),
4ec8e76d 123fBeamType("PP"),
124fLHCperiod(),
125fMCperiodTPC(),
fd21ec8d 126fMCperiodUser(other.fMCperiodUser),
ea235c90 127fCurrentFile(),
4ec8e76d 128fRecoPass(0),
fd21ec8d 129fRecoPassUser(other.fRecoPassUser),
4ec8e76d 130fRun(0),
131fOldRun(0),
78cbd205 132fResT0A(75.),
133fResT0C(65.),
134fResT0AC(55.),
644666df 135fArrPidResponseMaster(NULL),
136fResolutionCorrection(NULL),
137fOADBvoltageMaps(NULL),
f84b18dd 138fUseTPCEtaCorrection(other.fUseTPCEtaCorrection),
644666df 139fTRDPIDResponseObject(NULL),
0b39f221 140fTOFtail(1.1),
644666df 141fTOFPIDParams(NULL),
142fEMCALPIDParams(NULL),
143fCurrentEvent(NULL),
539a5a59 144fCurrCentrality(0.0),
145fTuneMConData(kFALSE)
4ec8e76d 146{
147 //
148 // copy ctor
149 //
150}
151
152//______________________________________________________________________________
153AliPIDResponse& AliPIDResponse::operator=(const AliPIDResponse &other)
154{
155 //
156 // copy ctor
157 //
158 if(this!=&other) {
159 delete fArrPidResponseMaster;
160 TNamed::operator=(other);
161 fITSResponse=other.fITSResponse;
162 fTPCResponse=other.fTPCResponse;
163 fTRDResponse=other.fTRDResponse;
164 fTOFResponse=other.fTOFResponse;
e96b9916 165 fEMCALResponse=other.fEMCALResponse;
fd21ec8d 166 fRange=other.fRange;
167 fITSPIDmethod=other.fITSPIDmethod;
4ec8e76d 168 fOADBPath=other.fOADBPath;
00a38d07 169 fCustomTPCpidResponse=other.fCustomTPCpidResponse;
4ec8e76d 170 fIsMC=other.fIsMC;
1c9d11be 171 fCachePID=other.fCachePID;
4ec8e76d 172 fBeamType="PP";
173 fLHCperiod="";
174 fMCperiodTPC="";
fd21ec8d 175 fMCperiodUser=other.fMCperiodUser;
ea235c90 176 fCurrentFile="";
4ec8e76d 177 fRecoPass=0;
fd21ec8d 178 fRecoPassUser=other.fRecoPassUser;
4ec8e76d 179 fRun=0;
180 fOldRun=0;
78cbd205 181 fResT0A=75.;
182 fResT0C=65.;
183 fResT0AC=55.;
644666df 184 fArrPidResponseMaster=NULL;
185 fResolutionCorrection=NULL;
186 fOADBvoltageMaps=NULL;
f84b18dd 187 fUseTPCEtaCorrection=other.fUseTPCEtaCorrection;
644666df 188 fTRDPIDResponseObject=NULL;
189 fEMCALPIDParams=NULL;
0b39f221 190 fTOFtail=1.1;
644666df 191 fTOFPIDParams=NULL;
e96b9916 192 fCurrentEvent=other.fCurrentEvent;
bd58d4b9 193
4ec8e76d 194 }
195 return *this;
196}
197
fd21ec8d 198//______________________________________________________________________________
199Float_t AliPIDResponse::NumberOfSigmas(EDetCode detCode, const AliVParticle *track, AliPID::EParticleType type) const
200{
201 //
202 // NumberOfSigmas for 'detCode'
203 //
204
205 switch (detCode){
206 case kDetITS: return NumberOfSigmasITS(track, type); break;
207 case kDetTPC: return NumberOfSigmasTPC(track, type); break;
208 case kDetTOF: return NumberOfSigmasTOF(track, type); break;
00a38d07 209 case kDetEMCAL: return NumberOfSigmasEMCAL(track, type); break;
fd21ec8d 210 default: return -999.;
211 }
212
213}
214
e96b9916 215//______________________________________________________________________________
00a38d07 216Float_t AliPIDResponse::NumberOfSigmas(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type) const
217{
218 //
219 // NumberOfSigmas for 'detCode'
220 //
221 return NumberOfSigmas((EDetCode)(1<<detCode), track, type);
222}
223
1c9d11be 224//______________________________________________________________________________
225// public buffered versions of the PID calculation
226//
227
00a38d07 228//______________________________________________________________________________
229Float_t AliPIDResponse::NumberOfSigmasITS(const AliVParticle *vtrack, AliPID::EParticleType type) const
230{
231 //
232 // Calculate the number of sigmas in the ITS
233 //
234
235 AliVTrack *track=(AliVTrack*)vtrack;
236
237 // look for cached value first
1c9d11be 238 const AliDetectorPID *detPID=track->GetDetectorPID();
239 const EDetector detector=kITS;
240
241 if ( detPID && detPID->HasNumberOfSigmas(detector)){
242 return detPID->GetNumberOfSigmas(detector, type);
243 } else if (fCachePID) {
244 FillTrackDetectorPID(track, detector);
245 detPID=track->GetDetectorPID();
246 return detPID->GetNumberOfSigmas(detector, type);
00a38d07 247 }
00a38d07 248
1c9d11be 249 return GetNumberOfSigmasITS(track, type);
00a38d07 250}
251
252//______________________________________________________________________________
253Float_t AliPIDResponse::NumberOfSigmasTPC(const AliVParticle *vtrack, AliPID::EParticleType type) const
254{
255 //
256 // Calculate the number of sigmas in the TPC
257 //
258
259 AliVTrack *track=(AliVTrack*)vtrack;
260
261 // look for cached value first
1c9d11be 262 const AliDetectorPID *detPID=track->GetDetectorPID();
263 const EDetector detector=kTPC;
264
265 if ( detPID && detPID->HasNumberOfSigmas(detector)){
266 return detPID->GetNumberOfSigmas(detector, type);
267 } else if (fCachePID) {
268 FillTrackDetectorPID(track, detector);
269 detPID=track->GetDetectorPID();
270 return detPID->GetNumberOfSigmas(detector, type);
00a38d07 271 }
272
1c9d11be 273 return GetNumberOfSigmasTPC(track, type);
00a38d07 274}
275
644666df 276//______________________________________________________________________________
277Float_t AliPIDResponse::NumberOfSigmasTPC( const AliVParticle *vtrack,
278 AliPID::EParticleType type,
f84b18dd 279 AliTPCPIDResponse::ETPCdEdxSource dedxSource) const
644666df 280{
281 //get number of sigmas according the selected TPC gain configuration scenario
282 const AliVTrack *track=static_cast<const AliVTrack*>(vtrack);
283
f84b18dd 284 Float_t nSigma=fTPCResponse.GetNumberOfSigmas(track, type, dedxSource, fUseTPCEtaCorrection);
644666df 285
286 return nSigma;
287}
288
00a38d07 289//______________________________________________________________________________
1c9d11be 290Float_t AliPIDResponse::NumberOfSigmasTOF(const AliVParticle *vtrack, AliPID::EParticleType type) const
00a38d07 291{
292 //
1c9d11be 293 // Calculate the number of sigmas in the TOF
00a38d07 294 //
295
296 AliVTrack *track=(AliVTrack*)vtrack;
1c9d11be 297
00a38d07 298 // look for cached value first
1c9d11be 299 const AliDetectorPID *detPID=track->GetDetectorPID();
300 const EDetector detector=kTOF;
301
302 if ( detPID && detPID->HasNumberOfSigmas(detector)){
303 return detPID->GetNumberOfSigmas(detector, type);
304 } else if (fCachePID) {
305 FillTrackDetectorPID(track, detector);
306 detPID=track->GetDetectorPID();
307 return detPID->GetNumberOfSigmas(detector, type);
00a38d07 308 }
309
1c9d11be 310 return GetNumberOfSigmasTOF(track, type);
311}
e96b9916 312
1c9d11be 313//______________________________________________________________________________
314Float_t AliPIDResponse::NumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type) const
315{
316 //
317 // Calculate the number of sigmas in the EMCAL
318 //
e96b9916 319
1c9d11be 320 AliVTrack *track=(AliVTrack*)vtrack;
321
322 // look for cached value first
323 const AliDetectorPID *detPID=track->GetDetectorPID();
324 const EDetector detector=kEMCAL;
325
326 if ( detPID && detPID->HasNumberOfSigmas(detector)){
327 return detPID->GetNumberOfSigmas(detector, type);
328 } else if (fCachePID) {
329 FillTrackDetectorPID(track, detector);
330 detPID=track->GetDetectorPID();
331 return detPID->GetNumberOfSigmas(detector, type);
e96b9916 332 }
6d0064aa 333
1c9d11be 334 return GetNumberOfSigmasEMCAL(track, type);
e96b9916 335}
336
6d0064aa 337//______________________________________________________________________________
1c9d11be 338Float_t AliPIDResponse::NumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &eop, Double_t showershape[4]) const
339{
340 //
341 // emcal nsigma with eop and showershape
342 //
00a38d07 343 AliVTrack *track=(AliVTrack*)vtrack;
344
6d0064aa 345 AliVCluster *matchedClus = NULL;
346
347 Double_t mom = -1.;
348 Double_t pt = -1.;
349 Double_t EovP = -1.;
350 Double_t fClsE = -1.;
32fa24d6 351
352 // initialize eop and shower shape parameters
353 eop = -1.;
354 for(Int_t i = 0; i < 4; i++){
355 showershape[i] = -1.;
356 }
6d0064aa 357
358 Int_t nMatchClus = -1;
359 Int_t charge = 0;
360
361 // Track matching
362 nMatchClus = track->GetEMCALcluster();
363 if(nMatchClus > -1){
364
365 mom = track->P();
366 pt = track->Pt();
367 charge = track->Charge();
368
369 matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
370
371 if(matchedClus){
372
373 // matched cluster is EMCAL
374 if(matchedClus->IsEMCAL()){
375
376 fClsE = matchedClus->E();
377 EovP = fClsE/mom;
378
379 // fill used EMCAL variables here
380 eop = EovP; // E/p
381 showershape[0] = matchedClus->GetNCells(); // number of cells in cluster
382 showershape[1] = matchedClus->GetM02(); // long axis
383 showershape[2] = matchedClus->GetM20(); // short axis
384 showershape[3] = matchedClus->GetDispersion(); // dispersion
1c9d11be 385
386 // look for cached value first
387 const AliDetectorPID *detPID=track->GetDetectorPID();
388 const EDetector detector=kEMCAL;
389
390 if ( detPID && detPID->HasNumberOfSigmas(detector)){
391 return detPID->GetNumberOfSigmas(detector, type);
392 } else if (fCachePID) {
393 FillTrackDetectorPID(track, detector);
394 detPID=track->GetDetectorPID();
395 return detPID->GetNumberOfSigmas(detector, type);
396 }
397
398 // NSigma value really meaningful only for electrons!
399 return fEMCALResponse.GetNumberOfSigmas(pt,EovP,type,charge);
6d0064aa 400 }
401 }
402 }
403 return -999;
404}
405
406
fd21ec8d 407//______________________________________________________________________________
f84b18dd 408AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePIDProbability (EDetCode detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
fd21ec8d 409{
410 //
411 // Compute PID response of 'detCode'
412 //
413
414 switch (detCode){
415 case kDetITS: return ComputeITSProbability(track, nSpecies, p); break;
416 case kDetTPC: return ComputeTPCProbability(track, nSpecies, p); break;
fd21ec8d 417 case kDetTRD: return ComputeTRDProbability(track, nSpecies, p); break;
00a38d07 418 case kDetTOF: return ComputeTOFProbability(track, nSpecies, p); break;
fd21ec8d 419 case kDetPHOS: return ComputePHOSProbability(track, nSpecies, p); break;
420 case kDetEMCAL: return ComputeEMCALProbability(track, nSpecies, p); break;
421 case kDetHMPID: return ComputeHMPIDProbability(track, nSpecies, p); break;
422 default: return kDetNoSignal;
423 }
424}
425
00a38d07 426//______________________________________________________________________________
427AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePIDProbability (EDetector detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
428{
429 //
430 // Compute PID response of 'detCode'
431 //
432
433 return ComputePIDProbability((EDetCode)(1<<detCode),track,nSpecies,p);
434}
435
fd21ec8d 436//______________________________________________________________________________
437AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
438{
439 //
440 // Compute PID response for the ITS
441 //
442
00a38d07 443 // look for cached value first
1c9d11be 444 const AliDetectorPID *detPID=track->GetDetectorPID();
445 const EDetector detector=kITS;
446
447 if ( detPID && detPID->HasRawProbabilitiy(detector)){
448 return detPID->GetRawProbability(detector, p, nSpecies);
449 } else if (fCachePID) {
450 FillTrackDetectorPID(track, detector);
451 detPID=track->GetDetectorPID();
452 return detPID->GetRawProbability(detector, p, nSpecies);
fd21ec8d 453 }
454
1c9d11be 455 return GetComputeITSProbability(track, nSpecies, p);
fd21ec8d 456}
457//______________________________________________________________________________
458AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
459{
460 //
461 // Compute PID response for the TPC
462 //
00a38d07 463
464 // look for cached value first
1c9d11be 465 const AliDetectorPID *detPID=track->GetDetectorPID();
466 const EDetector detector=kTPC;
467
468 if ( detPID && detPID->HasRawProbabilitiy(detector)){
469 return detPID->GetRawProbability(detector, p, nSpecies);
470 } else if (fCachePID) {
471 FillTrackDetectorPID(track, detector);
472 detPID=track->GetDetectorPID();
473 return detPID->GetRawProbability(detector, p, nSpecies);
00a38d07 474 }
475
1c9d11be 476 return GetComputeTPCProbability(track, nSpecies, p);
fd21ec8d 477}
478//______________________________________________________________________________
479AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
480{
481 //
482 // Compute PID response for the
483 //
00a38d07 484
1c9d11be 485 const AliDetectorPID *detPID=track->GetDetectorPID();
486 const EDetector detector=kTOF;
fd21ec8d 487
1c9d11be 488 if ( detPID && detPID->HasRawProbabilitiy(detector)){
489 return detPID->GetRawProbability(detector, p, nSpecies);
490 } else if (fCachePID) {
491 FillTrackDetectorPID(track, detector);
492 detPID=track->GetDetectorPID();
493 return detPID->GetRawProbability(detector, p, nSpecies);
fd21ec8d 494 }
1c9d11be 495
496 return GetComputeTOFProbability(track, nSpecies, p);
fd21ec8d 497}
498//______________________________________________________________________________
bd58d4b9 499AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const
fd21ec8d 500{
501 //
502 // Compute PID response for the
1c9d11be 503 //
00a38d07 504
1c9d11be 505 const AliDetectorPID *detPID=track->GetDetectorPID();
506 const EDetector detector=kTRD;
ea235c90 507
1c9d11be 508 // chacke only for the default method (1d at the moment)
509 if (PIDmethod!=AliTRDPIDResponse::kLQ1D) return GetComputeTRDProbability(track, nSpecies, p, PIDmethod);
510
511 if ( detPID && detPID->HasRawProbabilitiy(detector)){
512 return detPID->GetRawProbability(detector, p, nSpecies);
513 } else if (fCachePID) {
514 FillTrackDetectorPID(track, detector);
515 detPID=track->GetDetectorPID();
516 return detPID->GetRawProbability(detector, p, nSpecies);
ea235c90 517 }
1c9d11be 518
519 return GetComputeTRDProbability(track, nSpecies, p);
fd21ec8d 520}
521//______________________________________________________________________________
e96b9916 522AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeEMCALProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
fd21ec8d 523{
524 //
525 // Compute PID response for the EMCAL
526 //
00a38d07 527
1c9d11be 528 const AliDetectorPID *detPID=track->GetDetectorPID();
529 const EDetector detector=kEMCAL;
530
531 if ( detPID && detPID->HasRawProbabilitiy(detector)){
532 return detPID->GetRawProbability(detector, p, nSpecies);
533 } else if (fCachePID) {
534 FillTrackDetectorPID(track, detector);
535 detPID=track->GetDetectorPID();
536 return detPID->GetRawProbability(detector, p, nSpecies);
00a38d07 537 }
1c9d11be 538
539 return GetComputeEMCALProbability(track, nSpecies, p);
540}
541//______________________________________________________________________________
542AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePHOSProbability (const AliVTrack */*track*/, Int_t nSpecies, Double_t p[]) const
543{
544 //
545 // Compute PID response for the PHOS
546 //
547
548 // look for cached value first
549// if (track->GetDetectorPID()){
550// return track->GetDetectorPID()->GetRawProbability(kPHOS, p, nSpecies);
551// }
552
553 // set flat distribution (no decision)
00a38d07 554 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
1c9d11be 555 return kDetNoSignal;
556}
557//______________________________________________________________________________
558AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
559{
560 //
561 // Compute PID response for the HMPID
562 //
fd21ec8d 563
1c9d11be 564 const AliDetectorPID *detPID=track->GetDetectorPID();
565 const EDetector detector=kHMPID;
e96b9916 566
1c9d11be 567 if ( detPID && detPID->HasRawProbabilitiy(detector)){
568 return detPID->GetRawProbability(detector, p, nSpecies);
569 } else if (fCachePID) {
570 FillTrackDetectorPID(track, detector);
571 detPID=track->GetDetectorPID();
572 return detPID->GetRawProbability(detector, p, nSpecies);
e96b9916 573 }
00a38d07 574
1c9d11be 575 return GetComputeHMPIDProbability(track, nSpecies, p);
fd21ec8d 576}
577
4ec8e76d 578//______________________________________________________________________________
00a38d07 579void AliPIDResponse::InitialiseEvent(AliVEvent *event, Int_t pass, Int_t run)
4ec8e76d 580{
581 //
582 // Apply settings for the current event
583 //
584 fRecoPass=pass;
e96b9916 585
78cbd205 586
644666df 587 fCurrentEvent=NULL;
4ec8e76d 588 if (!event) return;
e96b9916 589 fCurrentEvent=event;
00a38d07 590 if (run>0) fRun=run;
591 else fRun=event->GetRunNumber();
4ec8e76d 592
593 if (fRun!=fOldRun){
594 ExecNewRun();
595 fOldRun=fRun;
596 }
597
598 //TPC resolution parametrisation PbPb
599 if ( fResolutionCorrection ){
600 Double_t corrSigma=fResolutionCorrection->Eval(GetTPCMultiplicityBin(event));
601 fTPCResponse.SetSigma(3.79301e-03*corrSigma, 2.21280e+04);
602 }
603
604 //TOF resolution
b79db598 605 SetTOFResponse(event, (AliPIDResponse::EStartTimeType_t)fTOFPIDParams->GetStartTimeMethod());
606
80f28562 607
608 // Get and set centrality
609 AliCentrality *centrality = event->GetCentrality();
610 if(centrality){
611 fCurrCentrality = centrality->GetCentralityPercentile("V0M");
612 }
613 else{
614 fCurrCentrality = -1;
615 }
4ec8e76d 616}
617
618//______________________________________________________________________________
619void AliPIDResponse::ExecNewRun()
620{
621 //
622 // Things to Execute upon a new run
623 //
624 SetRecoInfo();
625
626 SetITSParametrisation();
627
628 SetTPCPidResponseMaster();
629 SetTPCParametrisation();
f84b18dd 630 SetTPCEtaMaps();
53d016dc 631
632 SetTRDPidResponseMaster();
633 InitializeTRDResponse();
b2138b40 634
635 SetEMCALPidResponseMaster();
636 InitializeEMCALResponse();
4ec8e76d 637
b79db598 638 SetTOFPidResponseMaster();
639 InitializeTOFResponse();
644666df 640
641 if (fCurrentEvent) fTPCResponse.SetMagField(fCurrentEvent->GetMagneticField());
4ec8e76d 642}
643
1c9d11be 644//______________________________________________________________________________
4ec8e76d 645Double_t AliPIDResponse::GetTPCMultiplicityBin(const AliVEvent * const event)
646{
647 //
648 // Get TPC multiplicity in bins of 150
649 //
650
651 const AliVVertex* vertexTPC = event->GetPrimaryVertex();
652 Double_t tpcMulti=0.;
653 if(vertexTPC){
654 Double_t vertexContribTPC=vertexTPC->GetNContributors();
655 tpcMulti=vertexContribTPC/150.;
656 if (tpcMulti>20.) tpcMulti=20.;
657 }
658
659 return tpcMulti;
660}
661
662//______________________________________________________________________________
663void AliPIDResponse::SetRecoInfo()
664{
665 //
666 // Set reconstruction information
667 //
668
669 //reset information
670 fLHCperiod="";
671 fMCperiodTPC="";
672
673 fBeamType="";
674
675 fBeamType="PP";
676
1436d6bb 677 TPRegexp reg(".*(LHC1[1-2][a-z]+[0-9]+[a-z_]*)/.*");
a78fd045 678 TPRegexp reg12a17(".*(LHC12a17[a-z]+)/.*");
1436d6bb 679
4ec8e76d 680 //find the period by run number (UGLY, but not stored in ESD and AOD... )
681 if (fRun>=114737&&fRun<=117223) { fLHCperiod="LHC10B"; fMCperiodTPC="LHC10D1"; }
682 else if (fRun>=118503&&fRun<=121040) { fLHCperiod="LHC10C"; fMCperiodTPC="LHC10D1"; }
683 else if (fRun>=122195&&fRun<=126437) { fLHCperiod="LHC10D"; fMCperiodTPC="LHC10F6A"; }
99e9d5ec 684 else if (fRun>=127710&&fRun<=130850) { fLHCperiod="LHC10E"; fMCperiodTPC="LHC10F6A"; }
4ec8e76d 685 else if (fRun>=133004&&fRun<=135029) { fLHCperiod="LHC10F"; fMCperiodTPC="LHC10F6A"; }
686 else if (fRun>=135654&&fRun<=136377) { fLHCperiod="LHC10G"; fMCperiodTPC="LHC10F6A"; }
12d3abbc 687 else if (fRun>=136851&&fRun<=139846) {
ea235c90 688 fLHCperiod="LHC10H";
689 fMCperiodTPC="LHC10H8";
690 if (reg.MatchB(fCurrentFile)) fMCperiodTPC="LHC11A10";
691 fBeamType="PBPB";
692 }
12d3abbc 693 else if (fRun>=139847&&fRun<=146974) { fLHCperiod="LHC11A"; fMCperiodTPC="LHC10F6A"; }
694 //TODO: periods 11B (146975-150721), 11C (150722-155837) are not yet treated assume 11d for the moment
695 else if (fRun>=146975&&fRun<=155837) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
696 else if (fRun>=155838&&fRun<=159649) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
697 // also for 11e (159650-162750),f(162751-165771) use 11d
698 else if (fRun>=159650&&fRun<=162750) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
699 else if (fRun>=162751&&fRun<=165771) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
00a38d07 700
12d3abbc 701 else if (fRun>=165772 && fRun<=170718) {
3077a03d 702 fLHCperiod="LHC11H";
703 fMCperiodTPC="LHC11A10";
704 fBeamType="PBPB";
a78fd045 705 if (reg12a17.MatchB(fCurrentFile)) fMCperiodTPC="LHC12A17";
3077a03d 706 }
8af51a65 707 if (fRun>=170719 && fRun<=177311) { fLHCperiod="LHC12A"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
708 // for the moment use LHC12b parameters up to LHC12e
709 if (fRun>=177312 /*&& fRun<=179356*/) { fLHCperiod="LHC12B"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
710// if (fRun>=179357 && fRun<=183173) { fLHCperiod="LHC12C"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
711// if (fRun>=183174 && fRun<=186345) { fLHCperiod="LHC12D"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
712// if (fRun>=186346 && fRun<=186635) { fLHCperiod="LHC12E"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
713
714// if (fRun>=186636 && fRun<=188166) { fLHCperiod="LHC12F"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
715// if (fRun >= 188167 && fRun <= 188355 ) { fLHCperiod="LHC12G"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
716// if (fRun >= 188356 && fRun <= 188503 ) { fLHCperiod="LHC12G"; fBeamType="PPB"; /*fMCperiodTPC="";*/ }
717// for the moment use 12g parametrisation for all full gain runs (LHC12f+)
1b45e564 718 if (fRun >= 186636 ) { fLHCperiod="LHC12G"; fBeamType="PPB"; fMCperiodTPC="LHC12G"; }
80ab5635 719
720 //exception new pp MC productions from 2011
1b45e564 721 if (fBeamType=="PP" && reg.MatchB(fCurrentFile)) { fMCperiodTPC="LHC11B2"; fBeamType="PP"; }
4a527e08 722 // exception for 11f1
00a38d07 723 if (fCurrentFile.Contains("LHC11f1/")) fMCperiodTPC="LHC11F1";
1b45e564 724 // exception for 12f1a and 12f1b
725 if (fCurrentFile.Contains("LHC12f1a/") || fCurrentFile.Contains("LHC12f1b/")) fMCperiodTPC="LHC12F1";
4ec8e76d 726}
727
728//______________________________________________________________________________
729void AliPIDResponse::SetITSParametrisation()
730{
731 //
732 // Set the ITS parametrisation
733 //
734}
735
f84b18dd 736
737//______________________________________________________________________________
738void AliPIDResponse::AddPointToHyperplane(TH2D* h, TLinearFitter* linExtrapolation, Int_t binX, Int_t binY)
739{
740 if (h->GetBinContent(binX, binY) <= 1e-4)
741 return; // Reject bins without content (within some numerical precision) or with strange content
742
743 Double_t coord[2] = {0, 0};
744 coord[0] = h->GetXaxis()->GetBinCenter(binX);
745 coord[1] = h->GetYaxis()->GetBinCenter(binY);
746 Double_t binError = h->GetBinError(binX, binY);
747 if (binError <= 0) {
748 binError = 1000; // Should not happen because bins without content are rejected for the map (TH2D* h)
749 printf("ERROR: This should never happen: Trying to add bin in addPointToHyperplane with error not set....\n");
750 }
751 linExtrapolation->AddPoint(coord, h->GetBinContent(binX, binY, binError));
752}
753
754
755//______________________________________________________________________________
756TH2D* AliPIDResponse::RefineHistoViaLinearInterpolation(TH2D* h, Double_t refineFactorX, Double_t refineFactorY)
757{
758 if (!h)
759 return 0x0;
760
761 // Interpolate to finer map
762 TLinearFitter* linExtrapolation = new TLinearFitter(2, "hyp2", "");
763
764 Double_t upperMapBoundY = h->GetYaxis()->GetBinUpEdge(h->GetYaxis()->GetNbins());
765 Double_t lowerMapBoundY = h->GetYaxis()->GetBinLowEdge(1);
1b45e564 766 Int_t nBinsX = 30;
f84b18dd 767 // Binning was find to yield good results, if 40 bins are chosen for the range 0.0016 to 0.02. For the new variable range,
768 // scale the number of bins correspondingly
1b45e564 769 Int_t nBinsY = TMath::Nint((upperMapBoundY - lowerMapBoundY) / (0.02 - 0.0016) * 40);
f84b18dd 770 Int_t nBinsXrefined = nBinsX * refineFactorX;
771 Int_t nBinsYrefined = nBinsY * refineFactorY;
772
773 TH2D* hRefined = new TH2D(Form("%s_refined", h->GetName()), Form("%s (refined)", h->GetTitle()),
774 nBinsXrefined, h->GetXaxis()->GetBinLowEdge(1), h->GetXaxis()->GetBinUpEdge(h->GetXaxis()->GetNbins()),
775 nBinsYrefined, lowerMapBoundY, upperMapBoundY);
776
777 for (Int_t binX = 1; binX <= nBinsXrefined; binX++) {
778 for (Int_t binY = 1; binY <= nBinsYrefined; binY++) {
779
780 hRefined->SetBinContent(binX, binY, 1); // Default value is 1
781
782 Double_t centerX = hRefined->GetXaxis()->GetBinCenter(binX);
783 Double_t centerY = hRefined->GetYaxis()->GetBinCenter(binY);
784
1b45e564 785 /*OLD
f84b18dd 786 linExtrapolation->ClearPoints();
787
788 // For interpolation: Just take the corresponding bin from the old histo.
789 // For extrapolation: take the last available bin from the old histo.
790 // If the boundaries are to be skipped, also skip the corresponding bins
791 Int_t oldBinX = h->GetXaxis()->FindBin(centerX);
792 if (oldBinX < 1)
793 oldBinX = 1;
794 if (oldBinX > nBinsX)
795 oldBinX = nBinsX;
796
797 Int_t oldBinY = h->GetYaxis()->FindBin(centerY);
798 if (oldBinY < 1)
799 oldBinY = 1;
800 if (oldBinY > nBinsY)
801 oldBinY = nBinsY;
802
803 // Neighbours left column
804 if (oldBinX >= 2) {
805 if (oldBinY >= 2) {
806 AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY - 1);
807 }
808
809 AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY);
810
811 if (oldBinY < nBinsY) {
812 AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY + 1);
813 }
814 }
815
816 // Neighbours (and point itself) same column
817 if (oldBinY >= 2) {
818 AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY - 1);
819 }
820
821 AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY);
822
823 if (oldBinY < nBinsY) {
824 AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY + 1);
825 }
826
827 // Neighbours right column
828 if (oldBinX < nBinsX) {
829 if (oldBinY >= 2) {
830 AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY - 1);
831 }
832
833 AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY);
834
835 if (oldBinY < nBinsY) {
836 AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY + 1);
837 }
838 }
839
840
841 // Fit 2D-hyperplane
842 if (linExtrapolation->GetNpoints() <= 0)
843 continue;
844
845 if (linExtrapolation->Eval() != 0)// EvalRobust -> Takes much, much, [...], much more time (~hours instead of seconds)
846 continue;
847
848 // Fill the bin of the refined histogram with the extrapolated value
849 Double_t interpolatedValue = linExtrapolation->GetParameter(0) + linExtrapolation->GetParameter(1) * centerX
850 + linExtrapolation->GetParameter(2) * centerY;
851 */
f85a3764 852 Double_t interpolatedValue = h->Interpolate(centerX, centerY) ;
f84b18dd 853 hRefined->SetBinContent(binX, binY, interpolatedValue);
854 }
855 }
856
1b45e564 857
858 // Problem: Interpolation does not work before/beyond center of first/last bin (as the name suggests).
859 // Therefore, for each row in dEdx: Take last bin from old map and interpolate values from center and edge.
860 // Assume line through these points and extropolate to last bin of refined map
861 const Double_t firstOldXbinUpEdge = h->GetXaxis()->GetBinUpEdge(1);
862 const Double_t firstOldXbinCenter = h->GetXaxis()->GetBinCenter(1);
863
864 const Double_t oldXbinHalfWidth = firstOldXbinUpEdge - firstOldXbinCenter;
865
866 const Double_t lastOldXbinLowEdge = h->GetXaxis()->GetBinLowEdge(h->GetNbinsX());
867 const Double_t lastOldXbinCenter = h->GetXaxis()->GetBinCenter(h->GetNbinsX());
868
869 for (Int_t binY = 1; binY <= nBinsYrefined; binY++) {
870 Double_t centerY = hRefined->GetYaxis()->GetBinCenter(binY);
871
872 const Double_t interpolatedCenterFirstXbin = h->Interpolate(firstOldXbinCenter, centerY);
873 const Double_t interpolatedUpEdgeFirstXbin = h->Interpolate(firstOldXbinUpEdge, centerY);
874
875 const Double_t extrapolationSlopeFirstXbin = (interpolatedUpEdgeFirstXbin - interpolatedCenterFirstXbin) / oldXbinHalfWidth;
876 const Double_t extrapolationOffsetFirstXbin = interpolatedCenterFirstXbin;
877
878
879 const Double_t interpolatedCenterLastXbin = h->Interpolate(lastOldXbinCenter, centerY);
880 const Double_t interpolatedLowEdgeLastXbin = h->Interpolate(lastOldXbinLowEdge, centerY);
881
882 const Double_t extrapolationSlopeLastXbin = (interpolatedCenterLastXbin - interpolatedLowEdgeLastXbin) / oldXbinHalfWidth;
883 const Double_t extrapolationOffsetLastXbin = interpolatedCenterLastXbin;
884
885 for (Int_t binX = 1; binX <= nBinsXrefined; binX++) {
886 Double_t centerX = hRefined->GetXaxis()->GetBinCenter(binX);
887
888 if (centerX < firstOldXbinCenter) {
889 Double_t extrapolatedValue = extrapolationOffsetFirstXbin + (centerX - firstOldXbinCenter) * extrapolationSlopeFirstXbin;
890 hRefined->SetBinContent(binX, binY, extrapolatedValue);
891 }
892 else if (centerX <= lastOldXbinCenter) {
893 continue;
894 }
895 else {
896 Double_t extrapolatedValue = extrapolationOffsetLastXbin + (centerX - lastOldXbinCenter) * extrapolationSlopeLastXbin;
897 hRefined->SetBinContent(binX, binY, extrapolatedValue);
898 }
899 }
900 }
901
f84b18dd 902 delete linExtrapolation;
903
904 return hRefined;
905}
906
907//______________________________________________________________________________
908void AliPIDResponse::SetTPCEtaMaps(Double_t refineFactorMapX, Double_t refineFactorMapY,
909 Double_t refineFactorSigmaMapX, Double_t refineFactorSigmaMapY)
910{
911 //
912 // Load the TPC eta correction maps from the OADB
913 //
914
f85a3764 915 if (fUseTPCEtaCorrection == kFALSE) {
916 // Disable eta correction via setting no maps
917 if (!fTPCResponse.SetEtaCorrMap(0x0))
1b45e564 918 AliInfo("Request to disable TPC eta correction -> Eta correction has been disabled");
f85a3764 919 else
920 AliError("Request to disable TPC eta correction -> Some error occured when unloading the correction maps");
921
922 if (!fTPCResponse.SetSigmaParams(0x0, 0))
1b45e564 923 AliInfo("Request to disable TPC eta correction -> Using old parametrisation for sigma");
924 else
f85a3764 925 AliError("Request to disable TPC eta correction -> Some error occured when unloading the sigma maps");
926
927 return;
928 }
1b45e564 929
f84b18dd 930 TString dataType = "DATA";
931 TString period = fLHCperiod.IsNull() ? "No period information" : fLHCperiod;
932
933 if (fIsMC) {
f85a3764 934 if (!fTuneMConData) {
935 period=fMCperiodTPC;
936 dataType="MC";
937 }
f84b18dd 938 fRecoPass = 1;
939
f85a3764 940 if (!fTuneMConData && fMCperiodTPC.IsNull()) {
f84b18dd 941 AliFatal("MC detected, but no MC period set -> Not changing eta maps!");
942 return;
943 }
f84b18dd 944 }
f85a3764 945
946 Int_t recopass = fRecoPass;
947 if (fTuneMConData)
948 recopass = fRecoPassUser;
f84b18dd 949
f85a3764 950 TString defaultObj = Form("Default_%s_pass%d", dataType.Data(), recopass);
f84b18dd 951
f85a3764 952 AliInfo(Form("Current period and reco pass: %s.pass%d", period.Data(), recopass));
f84b18dd 953
954 // Invalidate old maps
955 fTPCResponse.SetEtaCorrMap(0x0);
956 fTPCResponse.SetSigmaParams(0x0, 0);
957
958 // Load the eta correction maps
f85a3764 959 AliOADBContainer etaMapsCont(Form("TPCetaMaps_%s_pass%d", dataType.Data(), recopass));
f84b18dd 960
961 Int_t statusCont = etaMapsCont.InitFromFile(Form("%s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()),
f85a3764 962 Form("TPCetaMaps_%s_pass%d", dataType.Data(), recopass));
f84b18dd 963 if (statusCont) {
964 AliError("Failed initializing TPC eta correction maps from OADB -> Disabled eta correction");
965 }
966 else {
967 AliInfo(Form("Loading TPC eta correction map from %s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()));
968
969 TH2D* etaMap = 0x0;
970
f85a3764 971 if (fIsMC && !fTuneMConData) {
972 TString searchMap = Form("TPCetaMaps_%s_%s_pass%d", dataType.Data(), period.Data(), recopass);
f84b18dd 973 etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetDefaultObject(searchMap.Data()));
974 if (!etaMap) {
975 // Try default object
976 etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetDefaultObject(defaultObj.Data()));
977 }
978 }
979 else {
980 etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetObject(fRun, defaultObj.Data()));
981 }
982
983
984 if (!etaMap) {
985 AliError(Form("TPC eta correction map not found for run %d and also no default map found -> Disabled eta correction!!!", fRun));
986 }
987 else {
988 TH2D* etaMapRefined = RefineHistoViaLinearInterpolation(etaMap, refineFactorMapX, refineFactorMapY);
989
990 if (etaMapRefined) {
991 if (!fTPCResponse.SetEtaCorrMap(etaMapRefined)) {
992 AliError(Form("Failed to set TPC eta correction map for run %d -> Disabled eta correction!!!", fRun));
993 fTPCResponse.SetEtaCorrMap(0x0);
994 }
995 else {
996 AliInfo(Form("Loaded TPC eta correction map (refine factors %.2f/%.2f) from %s/COMMON/PID/data/TPCetaMaps.root: %s",
997 refineFactorMapX, refineFactorMapY, fOADBPath.Data(), fTPCResponse.GetEtaCorrMap()->GetTitle()));
998 }
999
1000 delete etaMapRefined;
1001 }
1002 else {
1003 AliError(Form("Failed to set TPC eta correction map for run %d (map was loaded, but couldn't be refined) -> Disabled eta correction!!!", fRun));
1004 }
1005 }
1006 }
1007
1008 // Load the sigma parametrisation (1/dEdx vs tanTheta_local (~eta))
f85a3764 1009 AliOADBContainer etaSigmaMapsCont(Form("TPCetaSigmaMaps_%s_pass%d", dataType.Data(), recopass));
f84b18dd 1010
1011 statusCont = etaSigmaMapsCont.InitFromFile(Form("%s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()),
f85a3764 1012 Form("TPCetaSigmaMaps_%s_pass%d", dataType.Data(), recopass));
f84b18dd 1013 if (statusCont) {
1014 AliError("Failed initializing TPC eta sigma maps from OADB -> Using old sigma parametrisation");
1015 }
1016 else {
1017 AliInfo(Form("Loading TPC eta sigma map from %s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()));
1018
1019 TObjArray* etaSigmaPars = 0x0;
1020
f85a3764 1021 if (fIsMC && !fTuneMConData) {
1022 TString searchMap = Form("TPCetaSigmaMaps_%s_%s_pass%d", dataType.Data(), period.Data(), recopass);
f84b18dd 1023 etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetDefaultObject(searchMap.Data()));
1024 if (!etaSigmaPars) {
1025 // Try default object
1026 etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetDefaultObject(defaultObj.Data()));
1027 }
1028 }
1029 else {
1030 etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetObject(fRun, defaultObj.Data()));
1031 }
1032
1033 if (!etaSigmaPars) {
1034 AliError(Form("TPC eta sigma parametrisation not found for run %d -> Using old sigma parametrisation!!!", fRun));
1035 }
1036 else {
1037 TH2D* etaSigmaPar1Map = dynamic_cast<TH2D *>(etaSigmaPars->FindObject("sigmaPar1Map"));
1038 TNamed* sigmaPar0Info = dynamic_cast<TNamed *>(etaSigmaPars->FindObject("sigmaPar0"));
1039 Double_t sigmaPar0 = 0.0;
1040
1041 if (sigmaPar0Info) {
1042 TString sigmaPar0String = sigmaPar0Info->GetTitle();
1043 sigmaPar0 = sigmaPar0String.Atof();
1044 }
1045 else {
1046 // Something is weired because the object for parameter 0 could not be loaded -> New sigma parametrisation can not be used!
1047 etaSigmaPar1Map = 0x0;
1048 }
1049
1050 TH2D* etaSigmaPar1MapRefined = RefineHistoViaLinearInterpolation(etaSigmaPar1Map, refineFactorSigmaMapX, refineFactorSigmaMapY);
1051
1052
1053 if (etaSigmaPar1MapRefined) {
1054 if (!fTPCResponse.SetSigmaParams(etaSigmaPar1MapRefined, sigmaPar0)) {
1055 AliError(Form("Failed to set TPC eta sigma map for run %d -> Using old sigma parametrisation!!!", fRun));
1056 fTPCResponse.SetSigmaParams(0x0, 0);
1057 }
1058 else {
1059 AliInfo(Form("Loaded TPC sigma correction map (refine factors %.2f/%.2f) from %s/COMMON/PID/data/TPCetaMaps.root: %s",
1060 refineFactorSigmaMapX, refineFactorSigmaMapY, fOADBPath.Data(), fTPCResponse.GetSigmaPar1Map()->GetTitle()));
1061 }
1062
1063 delete etaSigmaPar1MapRefined;
1064 }
1065 else {
1066 AliError(Form("Failed to set TPC eta sigma map for run %d (map was loaded, but couldn't be refined) -> Using old sigma parametrisation!!!",
1067 fRun));
1068 }
1069 }
1070 }
1071}
1072
4ec8e76d 1073//______________________________________________________________________________
1074void AliPIDResponse::SetTPCPidResponseMaster()
1075{
1076 //
1077 // Load the TPC pid response functions from the OADB
644666df 1078 // Load the TPC voltage maps from OADB
4ec8e76d 1079 //
09b50a42 1080 //don't load twice for the moment
1081 if (fArrPidResponseMaster) return;
1082
1083
4ec8e76d 1084 //reset the PID response functions
1085 delete fArrPidResponseMaster;
644666df 1086 fArrPidResponseMaster=NULL;
4ec8e76d 1087
1088 TString fileName(Form("%s/COMMON/PID/data/TPCPIDResponse.root", fOADBPath.Data()));
644666df 1089 TFile *f=NULL;
00a38d07 1090 if (!fCustomTPCpidResponse.IsNull()) fileName=fCustomTPCpidResponse;
4ec8e76d 1091
644666df 1092 TString fileNamePIDresponse(Form("%s/COMMON/PID/data/TPCPIDResponse.root", fOADBPath.Data()));
1093 f=TFile::Open(fileNamePIDresponse.Data());
ea235c90 1094 if (f && f->IsOpen() && !f->IsZombie()){
1095 fArrPidResponseMaster=dynamic_cast<TObjArray*>(f->Get("TPCPIDResponse"));
4ec8e76d 1096 }
ea235c90 1097 delete f;
644666df 1098
1099 TString fileNameVoltageMaps(Form("%s/COMMON/PID/data/TPCvoltageSettings.root", fOADBPath.Data()));
1100 f=TFile::Open(fileNameVoltageMaps.Data());
1101 if (f && f->IsOpen() && !f->IsZombie()){
1102 fOADBvoltageMaps=dynamic_cast<AliOADBContainer*>(f->Get("TPCvoltageSettings"));
1103 }
1104 delete f;
4ec8e76d 1105
1106 if (!fArrPidResponseMaster){
644666df 1107 AliFatal(Form("Could not retrieve the TPC pid response from: %s",fileNamePIDresponse.Data()));
4ec8e76d 1108 return;
1109 }
1110 fArrPidResponseMaster->SetOwner();
644666df 1111
1112 if (!fOADBvoltageMaps)
1113 {
1114 AliFatal(Form("Could not retrieve the TPC voltage maps from: %s",fileNameVoltageMaps.Data()));
1115 }
1116 fArrPidResponseMaster->SetOwner();
4ec8e76d 1117}
1118
1119//______________________________________________________________________________
1120void AliPIDResponse::SetTPCParametrisation()
1121{
1122 //
1123 // Change BB parametrisation for current run
1124 //
1125
12d3abbc 1126 //
1127 //reset old splines
1128 //
1129 fTPCResponse.ResetSplines();
1130
4ec8e76d 1131 if (fLHCperiod.IsNull()) {
12d3abbc 1132 AliError("No period set, not changing parametrisation");
4ec8e76d 1133 return;
1134 }
1135
1136 //
1137 // Set default parametrisations for data and MC
1138 //
1139
1140 //data type
1141 TString datatype="DATA";
1142 //in case of mc fRecoPass is per default 1
1143 if (fIsMC) {
539a5a59 1144 if(!fTuneMConData) datatype="MC";
1145 fRecoPass=1;
4ec8e76d 1146 }
f84b18dd 1147
4a527e08 1148 // period
1149 TString period=fLHCperiod;
539a5a59 1150 if (fIsMC && !fTuneMConData) period=fMCperiodTPC;
4a527e08 1151
f85a3764 1152 Int_t recopass = fRecoPass;
1153 if(fTuneMConData) recopass = fRecoPassUser;
1154
1155 AliInfo(Form("Searching splines for: %s %s PASS%d %s",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
4a527e08 1156 Bool_t found=kFALSE;
4ec8e76d 1157 //
1158 //set the new PID splines
1159 //
4ec8e76d 1160 if (fArrPidResponseMaster){
4ec8e76d 1161 //for MC don't use period information
644666df 1162 //if (fIsMC) period="[A-Z0-9]*";
4ec8e76d 1163 //for MC use MC period information
644666df 1164 //pattern for the default entry (valid for all particles)
de678885 1165 TPRegexp reg(Form("TSPLINE3_%s_([A-Z]*)_%s_PASS%d_%s_MEAN(_*)([A-Z1-9]*)",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
644666df 1166
f85a3764 1167 //find particle id and gain scenario
644666df 1168 for (Int_t igainScenario=0; igainScenario<AliTPCPIDResponse::fgkNumberOfGainScenarios; igainScenario++)
1169 {
1170 TObject *grAll=NULL;
1171 TString gainScenario = AliTPCPIDResponse::GainScenarioName(igainScenario);
1172 gainScenario.ToUpper();
1173 //loop over entries and filter them
1174 for (Int_t iresp=0; iresp<fArrPidResponseMaster->GetEntriesFast();++iresp)
1175 {
1176 TObject *responseFunction=fArrPidResponseMaster->At(iresp);
1177 if (responseFunction==NULL) continue;
1178 TString responseName=responseFunction->GetName();
1179
1180 if (!reg.MatchB(responseName)) continue;
1181
1182 TObjArray *arr=reg.MatchS(responseName); if (!arr) continue;
1183 TObject* tmp=NULL;
1184 tmp=arr->At(1); if (!tmp) continue;
1185 TString particleName=tmp->GetName();
1186 tmp=arr->At(3); if (!tmp) continue;
1187 TString gainScenarioName=tmp->GetName();
1188 delete arr;
1189 if (particleName.IsNull()) continue;
1190 if (!grAll && particleName=="ALL" && gainScenarioName==gainScenario) grAll=responseFunction;
1191 else
1192 {
1193 for (Int_t ispec=0; ispec<(AliTPCPIDResponse::fgkNumberOfParticleSpecies); ++ispec)
1194 {
1195 TString particle=AliPID::ParticleName(ispec);
1196 particle.ToUpper();
1197 //std::cout<<responseName<<" "<<particle<<" "<<particleName<<" "<<gainScenario<<" "<<gainScenarioName<<std::endl;
1198 if ( particle == particleName && gainScenario == gainScenarioName )
1199 {
1200 fTPCResponse.SetResponseFunction( responseFunction,
1201 (AliPID::EParticleType)ispec,
1202 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1203 fTPCResponse.SetUseDatabase(kTRUE);
1204 AliInfo(Form("Adding graph: %d %d - %s",ispec,igainScenario,responseFunction->GetName()));
1205 found=kTRUE;
1206 // overwrite default with proton spline (for light nuclei)
1207 if (ispec==AliPID::kProton) grAll=responseFunction;
1208 break;
1209 }
4ec8e76d 1210 }
1211 }
1212 }
644666df 1213 if (grAll)
1214 {
1215 for (Int_t ispec=0; ispec<(AliTPCPIDResponse::fgkNumberOfParticleSpecies); ++ispec)
1216 {
1217 if (!fTPCResponse.GetResponseFunction( (AliPID::EParticleType)ispec,
1218 (AliTPCPIDResponse::ETPCgainScenario)igainScenario))
1219 {
1220 fTPCResponse.SetResponseFunction( grAll,
1221 (AliPID::EParticleType)ispec,
1222 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1223 fTPCResponse.SetUseDatabase(kTRUE);
1224 AliInfo(Form("Adding graph: %d %d - %s",ispec,igainScenario,grAll->GetName()));
1225 found=kTRUE;
1226 }
4ec8e76d 1227 }
1228 }
1229 }
1230 }
644666df 1231 else AliInfo("no fArrPidResponseMaster");
4a527e08 1232
1233 if (!found){
f85a3764 1234 AliError(Form("No splines found for: %s %s PASS%d %s",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
4a527e08 1235 }
644666df 1236
4ec8e76d 1237 //
1238 // Setup resolution parametrisation
1239 //
1240
1241 //default
1242 fTPCResponse.SetSigma(3.79301e-03, 2.21280e+04);
1243
1244 if (fRun>=122195){
1245 fTPCResponse.SetSigma(2.30176e-02, 5.60422e+02);
1246 }
8af51a65 1247
1248 if (fRun>=186636){
1249// if (fRun>=188356){
723c4874 1250 fTPCResponse.SetSigma(8.62022e-04, 9.08156e+05);
1251 }
1252
23425eb2 1253 if (fArrPidResponseMaster)
f85a3764 1254 fResolutionCorrection=(TF1*)fArrPidResponseMaster->FindObject(Form("TF1_%s_ALL_%s_PASS%d_%s_SIGMA",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
4ec8e76d 1255
1256 if (fResolutionCorrection) AliInfo(Form("Setting multiplicity correction function: %s",fResolutionCorrection->GetName()));
644666df 1257
1258 //read in the voltage map
12d3abbc 1259 TVectorF* gsm = 0x0;
1260 if (fOADBvoltageMaps) gsm=dynamic_cast<TVectorF*>(fOADBvoltageMaps->GetObject(fRun));
644666df 1261 if (gsm)
1262 {
1263 fTPCResponse.SetVoltageMap(*gsm);
1264 TString vals;
1265 AliInfo(Form("Reading the voltage map for run %d\n",fRun));
1266 vals="IROC A: "; for (Int_t i=0; i<18; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1267 AliInfo(vals.Data());
1268 vals="IROC C: "; for (Int_t i=18; i<36; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1269 AliInfo(vals.Data());
1270 vals="OROC A: "; for (Int_t i=36; i<54; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1271 AliInfo(vals.Data());
1272 vals="OROC C: "; for (Int_t i=54; i<72; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1273 AliInfo(vals.Data());
1274 }
1275 else AliInfo("no voltage map, ideal default assumed");
4ec8e76d 1276}
1277
ea235c90 1278//______________________________________________________________________________
1279void AliPIDResponse::SetTRDPidResponseMaster()
1280{
1281 //
1282 // Load the TRD pid params and references from the OADB
1283 //
db0e2c5f 1284 if(fTRDPIDResponseObject) return;
53d016dc 1285 AliOADBContainer contParams("contParams");
1286
db0e2c5f 1287 Int_t statusResponse = contParams.InitFromFile(Form("%s/COMMON/PID/data/TRDPIDResponse.root", fOADBPath.Data()), "AliTRDPIDResponseObject");
1288 if(statusResponse){
1289 AliError("Failed initializing PID Response Object from OADB");
59a8e853 1290 } else {
db0e2c5f 1291 AliInfo(Form("Loading TRD Response from %s/COMMON/PID/data/TRDPIDResponse.root", fOADBPath.Data()));
1292 fTRDPIDResponseObject = dynamic_cast<AliTRDPIDResponseObject *>(contParams.GetObject(fRun));
1293 if(!fTRDPIDResponseObject){
1294 AliError(Form("TRD Response not found in run %d", fRun));
59a8e853 1295 }
1296 }
ea235c90 1297}
1298
1299//______________________________________________________________________________
1300void AliPIDResponse::InitializeTRDResponse(){
1301 //
1302 // Set PID Params and references to the TRD PID response
1303 //
db0e2c5f 1304 fTRDResponse.SetPIDResponseObject(fTRDPIDResponseObject);
f2762b1c 1305}
1306
bd58d4b9 1307//______________________________________________________________________________
1308void AliPIDResponse::SetTRDSlices(UInt_t TRDslicesForPID[2],AliTRDPIDResponse::ETRDPIDMethod method) const{
1309
1310 if(fLHCperiod == "LHC10d" || fLHCperiod == "LHC10e"){
1311 // backward compatibility for setting with 8 slices
1312 TRDslicesForPID[0] = 0;
1313 TRDslicesForPID[1] = 7;
f2762b1c 1314 }
bd58d4b9 1315 else{
1316 if(method==AliTRDPIDResponse::kLQ1D){
1317 TRDslicesForPID[0] = 0; // first Slice contains normalized dEdx
1318 TRDslicesForPID[1] = 0;
1319 }
1320 if(method==AliTRDPIDResponse::kLQ2D){
1321 TRDslicesForPID[0] = 1;
1322 TRDslicesForPID[1] = 7;
1323 }
db0e2c5f 1324 }
bd58d4b9 1325 AliDebug(1,Form("Slice Range set to %d - %d",TRDslicesForPID[0],TRDslicesForPID[1]));
ea235c90 1326}
1327
b79db598 1328//______________________________________________________________________________
1329void AliPIDResponse::SetTOFPidResponseMaster()
1330{
1331 //
1332 // Load the TOF pid params from the OADB
1333 //
00a38d07 1334
1335 if (fTOFPIDParams) delete fTOFPIDParams;
644666df 1336 fTOFPIDParams=NULL;
00a38d07 1337
b79db598 1338 TFile *oadbf = new TFile(Form("%s/COMMON/PID/data/TOFPIDParams.root",fOADBPath.Data()));
00a38d07 1339 if (oadbf && oadbf->IsOpen()) {
b79db598 1340 AliInfo(Form("Loading TOF Params from %s/COMMON/PID/data/TOFPIDParams.root", fOADBPath.Data()));
1341 AliOADBContainer *oadbc = (AliOADBContainer *)oadbf->Get("TOFoadb");
00a38d07 1342 if (oadbc) fTOFPIDParams = dynamic_cast<AliTOFPIDParams *>(oadbc->GetObject(fRun,"TOFparams"));
b79db598 1343 oadbf->Close();
1344 delete oadbc;
b79db598 1345 }
1346 delete oadbf;
1347
00a38d07 1348 if (!fTOFPIDParams) AliFatal("TOFPIDParams could not be retrieved");
1349}
b79db598 1350
1351//______________________________________________________________________________
1352void AliPIDResponse::InitializeTOFResponse(){
1353 //
1354 // Set PID Params to the TOF PID response
00a38d07 1355 //
1356
1357 AliInfo("TOF PID Params loaded from OADB");
1358 AliInfo(Form(" TOF resolution %5.2f [ps]",fTOFPIDParams->GetTOFresolution()));
1359 AliInfo(Form(" StartTime method %d",fTOFPIDParams->GetStartTimeMethod()));
1360 AliInfo(Form(" TOF res. mom. params: %5.2f %5.2f %5.2f %5.2f",
1361 fTOFPIDParams->GetSigParams(0),fTOFPIDParams->GetSigParams(1),fTOFPIDParams->GetSigParams(2),fTOFPIDParams->GetSigParams(3)));
1362
b79db598 1363 for (Int_t i=0;i<4;i++) {
1364 fTOFResponse.SetTrackParameter(i,fTOFPIDParams->GetSigParams(i));
1365 }
1366 fTOFResponse.SetTimeResolution(fTOFPIDParams->GetTOFresolution());
1367
78cbd205 1368 AliInfo("TZERO resolution loaded from ESDrun/AODheader");
1369 Float_t t0Spread[4];
1370 for (Int_t i=0;i<4;i++) t0Spread[i]=fCurrentEvent->GetT0spread(i);
1371 AliInfo(Form(" TZERO spreads from data: (A+C)/2 %f A %f C %f (A'-C')/2: %f",t0Spread[0],t0Spread[1],t0Spread[2],t0Spread[3]));
1372 Float_t a = t0Spread[1]*t0Spread[1]-t0Spread[0]*t0Spread[0]+t0Spread[3]*t0Spread[3];
1373 Float_t c = t0Spread[2]*t0Spread[2]-t0Spread[0]*t0Spread[0]+t0Spread[3]*t0Spread[3];
1374 if ( (t0Spread[0] > 50. && t0Spread[0] < 400.) && (a > 0.) && (c>0.)) {
1375 fResT0AC=t0Spread[3];
1376 fResT0A=TMath::Sqrt(a);
1377 fResT0C=TMath::Sqrt(c);
1378 } else {
1379 AliInfo(" TZERO spreads not present or inconsistent, loading default");
1380 fResT0A=75.;
1381 fResT0C=65.;
1382 fResT0AC=55.;
1383 }
1384 AliInfo(Form(" TZERO resolution set to: T0A: %f [ps] T0C: %f [ps] T0AC %f [ps]",fResT0A,fResT0C,fResT0AC));
1385
b79db598 1386}
1387
1388
1c9d11be 1389//______________________________________________________________________________
bd58d4b9 1390Bool_t AliPIDResponse::IdentifiedAsElectronTRD(const AliVTrack *vtrack, Double_t efficiencyLevel,Double_t centrality,AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const {
ea235c90 1391 //
1392 // Check whether track is identified as electron under a given electron efficiency hypothesis
bd58d4b9 1393 //
1394
ea235c90 1395 Double_t probs[AliPID::kSPECIES];
bd58d4b9 1396 ComputeTRDProbability(vtrack, AliPID::kSPECIES, probs,PIDmethod);
ea235c90 1397
99e9d5ec 1398 Int_t ntracklets = vtrack->GetTRDntrackletsPID();
1399 // Take mean of the TRD momenta in the given tracklets
1400 Float_t p = 0, trdmomenta[AliVTrack::kTRDnPlanes];
1401 Int_t nmomenta = 0;
ea235c90 1402 for(Int_t iPl=0;iPl<AliVTrack::kTRDnPlanes;iPl++){
1403 if(vtrack->GetTRDmomentum(iPl) > 0.){
99e9d5ec 1404 trdmomenta[nmomenta++] = vtrack->GetTRDmomentum(iPl);
ea235c90 1405 }
1406 }
99e9d5ec 1407 p = TMath::Mean(nmomenta, trdmomenta);
ea235c90 1408
bd58d4b9 1409 return fTRDResponse.IdentifiedAsElectron(ntracklets, probs, p, efficiencyLevel,centrality,PIDmethod);
ea235c90 1410}
1411
b2138b40 1412//______________________________________________________________________________
1413void AliPIDResponse::SetEMCALPidResponseMaster()
1414{
1415 //
1416 // Load the EMCAL pid response functions from the OADB
1417 //
1418 TObjArray* fEMCALPIDParamsRun = NULL;
1419 TObjArray* fEMCALPIDParamsPass = NULL;
1420
1421 if(fEMCALPIDParams) return;
1422 AliOADBContainer contParams("contParams");
1423
1424 Int_t statusPars = contParams.InitFromFile(Form("%s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()), "AliEMCALPIDParams");
1425 if(statusPars){
1426 AliError("Failed initializing PID Params from OADB");
1427 }
1428 else {
1429 AliInfo(Form("Loading EMCAL Params from %s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()));
1430
1431 fEMCALPIDParamsRun = dynamic_cast<TObjArray *>(contParams.GetObject(fRun));
1432 if(fEMCALPIDParamsRun) fEMCALPIDParamsPass = dynamic_cast<TObjArray *>(fEMCALPIDParamsRun->FindObject(Form("pass%d",fRecoPass)));
1433 if(fEMCALPIDParamsPass) fEMCALPIDParams = dynamic_cast<TObjArray *>(fEMCALPIDParamsPass->FindObject(Form("EMCALPIDParams_Particles")));
1434
1435 if(!fEMCALPIDParams){
f8d39067 1436 AliInfo(Form("EMCAL Params not found in run %d pass %d", fRun, fRecoPass));
1f631618 1437 AliInfo("Will take the standard LHC11d instead ...");
b2138b40 1438
1f631618 1439 fEMCALPIDParamsRun = dynamic_cast<TObjArray *>(contParams.GetObject(156477));
1440 if(fEMCALPIDParamsRun) fEMCALPIDParamsPass = dynamic_cast<TObjArray *>(fEMCALPIDParamsRun->FindObject(Form("pass%d",1)));
b2138b40 1441 if(fEMCALPIDParamsPass) fEMCALPIDParams = dynamic_cast<TObjArray *>(fEMCALPIDParamsPass->FindObject(Form("EMCALPIDParams_Particles")));
1442
1443 if(!fEMCALPIDParams){
1f631618 1444 AliError(Form("DEFAULT EMCAL Params (LHC11d) not found in file %s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()));
b2138b40 1445 }
1446 }
1447 }
1448}
1449
1450//______________________________________________________________________________
1451void AliPIDResponse::InitializeEMCALResponse(){
1452 //
1453 // Set PID Params to the EMCAL PID response
1454 //
1455 fEMCALResponse.SetPIDParams(fEMCALPIDParams);
1456
1457}
00a38d07 1458
1c9d11be 1459//______________________________________________________________________________
1460void AliPIDResponse::FillTrackDetectorPID(const AliVTrack *track, EDetector detector) const
00a38d07 1461{
1462 //
1463 // create detector PID information and setup the transient pointer in the track
1464 //
1c9d11be 1465
1466 // check if detector number is inside accepted range
1467 if (detector == kNdetectors) return;
1468
1469 // get detector pid
1470 AliDetectorPID *detPID=const_cast<AliDetectorPID*>(track->GetDetectorPID());
1471 if (!detPID) {
1472 detPID=new AliDetectorPID;
1473 (const_cast<AliVTrack*>(track))->SetDetectorPID(detPID);
1474 }
1475
1476 //check if values exist
1477 if (detPID->HasRawProbabilitiy(detector) && detPID->HasNumberOfSigmas(detector)) return;
00a38d07 1478
1479 //TODO: which particles to include? See also the loops below...
1480 Double_t values[AliPID::kSPECIESC]={0};
1c9d11be 1481
1482 //nsigmas
1483 for (Int_t ipart=0; ipart<AliPID::kSPECIESC; ++ipart)
1484 values[ipart]=GetNumberOfSigmas(detector,track,(AliPID::EParticleType)ipart);
1485 detPID->SetNumberOfSigmas(detector, values, (Int_t)AliPID::kSPECIESC);
1486
1487 //probabilities
1488 EDetPidStatus status=GetComputePIDProbability(detector,track,AliPID::kSPECIESC,values);
1489 detPID->SetRawProbability(detector, values, (Int_t)AliPID::kSPECIESC, status);
1490}
1491
1492//______________________________________________________________________________
1493void AliPIDResponse::FillTrackDetectorPID()
1494{
1495 //
1496 // create detector PID information and setup the transient pointer in the track
1497 //
1498
1499 if (!fCurrentEvent) return;
00a38d07 1500
1501 for (Int_t itrack=0; itrack<fCurrentEvent->GetNumberOfTracks(); ++itrack){
1502 AliVTrack *track=dynamic_cast<AliVTrack*>(fCurrentEvent->GetTrack(itrack));
1503 if (!track) continue;
1504
00a38d07 1505 for (Int_t idet=0; idet<kNdetectors; ++idet){
1c9d11be 1506 FillTrackDetectorPID(track, (EDetector)idet);
00a38d07 1507 }
00a38d07 1508 }
1509}
1510
1c9d11be 1511//______________________________________________________________________________
5f8db5fe 1512void AliPIDResponse::SetTOFResponse(AliVEvent *vevent,EStartTimeType_t option){
1513 //
1514 // Set TOF response function
1515 // Input option for event_time used
1516 //
1517
1518 Float_t t0spread = 0.; //vevent->GetEventTimeSpread();
1519 if(t0spread < 10) t0spread = 80;
1520
1521 // T0 from TOF algorithm
1522
1523 Bool_t flagT0TOF=kFALSE;
1524 Bool_t flagT0T0=kFALSE;
1525 Float_t *startTime = new Float_t[fTOFResponse.GetNmomBins()];
1526 Float_t *startTimeRes = new Float_t[fTOFResponse.GetNmomBins()];
1527 Int_t *startTimeMask = new Int_t[fTOFResponse.GetNmomBins()];
1528
1529 // T0-TOF arrays
1530 Float_t *estimatedT0event = new Float_t[fTOFResponse.GetNmomBins()];
1531 Float_t *estimatedT0resolution = new Float_t[fTOFResponse.GetNmomBins()];
1532 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1533 estimatedT0event[i]=0.0;
1534 estimatedT0resolution[i]=0.0;
1535 startTimeMask[i] = 0;
1536 }
1537
78cbd205 1538 Float_t resT0A=fResT0A;
1539 Float_t resT0C=fResT0C;
1540 Float_t resT0AC=fResT0AC;
5f8db5fe 1541 if(vevent->GetT0TOF()){ // check if T0 detector information is available
1542 flagT0T0=kTRUE;
1543 }
1544
1545
1546 AliTOFHeader *tofHeader = (AliTOFHeader*)vevent->GetTOFHeader();
1547
1548 if (tofHeader) { // read global info and T0-TOF
1549 fTOFResponse.SetTimeResolution(tofHeader->GetTOFResolution());
1550 t0spread = tofHeader->GetT0spread(); // read t0 sprad
1551 if(t0spread < 10) t0spread = 80;
1552
1553 flagT0TOF=kTRUE;
1554 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ // read T0-TOF default value
1555 startTime[i]=tofHeader->GetDefaultEventTimeVal();
1556 startTimeRes[i]=tofHeader->GetDefaultEventTimeRes();
1557 if(startTimeRes[i] < 1.e-5) startTimeRes[i] = t0spread;
1558 }
1559
1560 TArrayI *ibin=(TArrayI*)tofHeader->GetNvalues();
1561 TArrayF *t0Bin=(TArrayF*)tofHeader->GetEventTimeValues();
1562 TArrayF *t0ResBin=(TArrayF*)tofHeader->GetEventTimeRes();
1563 for(Int_t j=0;j < tofHeader->GetNbins();j++){ // fill T0-TOF in p-bins
1564 Int_t icurrent = (Int_t)ibin->GetAt(j);
1565 startTime[icurrent]=t0Bin->GetAt(j);
1566 startTimeRes[icurrent]=t0ResBin->GetAt(j);
1567 if(startTimeRes[icurrent] < 1.e-5) startTimeRes[icurrent] = t0spread;
1568 }
1569 }
1570
1571 // for cut of 3 sigma on t0 spread
1572 Float_t t0cut = 3 * t0spread;
1573 if(t0cut < 500) t0cut = 500;
1574
1575 if(option == kFILL_T0){ // T0-FILL is used
1576 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1577 estimatedT0event[i]=0.0;
1578 estimatedT0resolution[i]=t0spread;
1579 }
1580 fTOFResponse.SetT0event(estimatedT0event);
1581 fTOFResponse.SetT0resolution(estimatedT0resolution);
1582 }
1583
1584 if(option == kTOF_T0){ // T0-TOF is used when available (T0-FILL otherwise) from ESD
1585 if(flagT0TOF){
1586 fTOFResponse.SetT0event(startTime);
1587 fTOFResponse.SetT0resolution(startTimeRes);
1588 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1589 if(startTimeRes[i]<t0spread) startTimeMask[i]=1;
1590 fTOFResponse.SetT0binMask(i,startTimeMask[i]);
1591 }
1592 }
1593 else{
1594 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1595 estimatedT0event[i]=0.0;
1596 estimatedT0resolution[i]=t0spread;
1597 fTOFResponse.SetT0binMask(i,startTimeMask[i]);
1598 }
1599 fTOFResponse.SetT0event(estimatedT0event);
1600 fTOFResponse.SetT0resolution(estimatedT0resolution);
1601 }
1602 }
1603 else if(option == kBest_T0){ // T0-T0 or T0-TOF are used when available (T0-FILL otherwise) from ESD
1604 Float_t t0AC=-10000;
1605 Float_t t0A=-10000;
1606 Float_t t0C=-10000;
1607 if(flagT0T0){
5f8db5fe 1608 t0A= vevent->GetT0TOF()[1];
1609 t0C= vevent->GetT0TOF()[2];
f84b18dd 1610 // t0AC= vevent->GetT0TOF()[0];
1611 t0AC= t0A/resT0A/resT0A + t0C/resT0C/resT0C;
1612 resT0AC= TMath::Sqrt(1./resT0A/resT0A + 1./resT0C/resT0C);
1613 t0AC /= resT0AC*resT0AC;
5f8db5fe 1614 }
1615
1616 Float_t t0t0Best = 0;
1617 Float_t t0t0BestRes = 9999;
1618 Int_t t0used=0;
1619 if(TMath::Abs(t0A) < t0cut && TMath::Abs(t0C) < t0cut && TMath::Abs(t0C-t0A) < 500){
1620 t0t0Best = t0AC;
1621 t0t0BestRes = resT0AC;
1622 t0used=6;
1623 }
1624 else if(TMath::Abs(t0C) < t0cut){
1625 t0t0Best = t0C;
1626 t0t0BestRes = resT0C;
1627 t0used=4;
1628 }
1629 else if(TMath::Abs(t0A) < t0cut){
1630 t0t0Best = t0A;
1631 t0t0BestRes = resT0A;
1632 t0used=2;
1633 }
1634
1635 if(flagT0TOF){ // if T0-TOF info is available
1636 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1637 if(t0t0BestRes < 999){
1638 if(startTimeRes[i] < t0spread){
1639 Double_t wtot = 1./startTimeRes[i]/startTimeRes[i] + 1./t0t0BestRes/t0t0BestRes;
1640 Double_t t0best = startTime[i]/startTimeRes[i]/startTimeRes[i] + t0t0Best/t0t0BestRes/t0t0BestRes;
1641 estimatedT0event[i]=t0best / wtot;
1642 estimatedT0resolution[i]=1./TMath::Sqrt(wtot);
1643 startTimeMask[i] = t0used+1;
1644 }
1645 else {
1646 estimatedT0event[i]=t0t0Best;
1647 estimatedT0resolution[i]=t0t0BestRes;
1648 startTimeMask[i] = t0used;
1649 }
1650 }
1651 else{
1652 estimatedT0event[i]=startTime[i];
1653 estimatedT0resolution[i]=startTimeRes[i];
1654 if(startTimeRes[i]<t0spread) startTimeMask[i]=1;
1655 }
1656 fTOFResponse.SetT0binMask(i,startTimeMask[i]);
1657 }
1658 fTOFResponse.SetT0event(estimatedT0event);
1659 fTOFResponse.SetT0resolution(estimatedT0resolution);
1660 }
1661 else{ // if no T0-TOF info is available
1662 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1663 fTOFResponse.SetT0binMask(i,t0used);
1664 if(t0t0BestRes < 999){
1665 estimatedT0event[i]=t0t0Best;
1666 estimatedT0resolution[i]=t0t0BestRes;
1667 }
1668 else{
1669 estimatedT0event[i]=0.0;
1670 estimatedT0resolution[i]=t0spread;
1671 }
1672 }
1673 fTOFResponse.SetT0event(estimatedT0event);
1674 fTOFResponse.SetT0resolution(estimatedT0resolution);
1675 }
1676 }
1677
1678 else if(option == kT0_T0){ // T0-T0 is used when available (T0-FILL otherwise)
1679 Float_t t0AC=-10000;
1680 Float_t t0A=-10000;
1681 Float_t t0C=-10000;
1682 if(flagT0T0){
5f8db5fe 1683 t0A= vevent->GetT0TOF()[1];
1684 t0C= vevent->GetT0TOF()[2];
f84b18dd 1685 // t0AC= vevent->GetT0TOF()[0];
1686 t0AC= t0A/resT0A/resT0A + t0C/resT0C/resT0C;
1687 resT0AC= TMath::Sqrt(1./resT0A/resT0A + 1./resT0C/resT0C);
1688 t0AC /= resT0AC*resT0AC;
5f8db5fe 1689 }
1690
1691 if(TMath::Abs(t0A) < t0cut && TMath::Abs(t0C) < t0cut && TMath::Abs(t0C-t0A) < 500){
1692 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1693 estimatedT0event[i]=t0AC;
1694 estimatedT0resolution[i]=resT0AC;
1695 fTOFResponse.SetT0binMask(i,6);
1696 }
1697 }
1698 else if(TMath::Abs(t0C) < t0cut){
1699 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1700 estimatedT0event[i]=t0C;
1701 estimatedT0resolution[i]=resT0C;
1702 fTOFResponse.SetT0binMask(i,4);
1703 }
1704 }
1705 else if(TMath::Abs(t0A) < t0cut){
1706 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1707 estimatedT0event[i]=t0A;
1708 estimatedT0resolution[i]=resT0A;
1709 fTOFResponse.SetT0binMask(i,2);
1710 }
1711 }
1712 else{
1713 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1714 estimatedT0event[i]=0.0;
1715 estimatedT0resolution[i]=t0spread;
1716 fTOFResponse.SetT0binMask(i,0);
1717 }
1718 }
1719 fTOFResponse.SetT0event(estimatedT0event);
1720 fTOFResponse.SetT0resolution(estimatedT0resolution);
1721 }
1722 delete [] startTime;
1723 delete [] startTimeRes;
1724 delete [] startTimeMask;
1725 delete [] estimatedT0event;
1726 delete [] estimatedT0resolution;
1727}
1c9d11be 1728
1729//______________________________________________________________________________
1730// private non cached versions of the PID calculation
1731//
1732
1733
1734//______________________________________________________________________________
1735Float_t AliPIDResponse::GetNumberOfSigmas(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type) const
1736{
1737 //
1738 // NumberOfSigmas for 'detCode'
1739 //
1740
1741 switch (detCode){
1742 case kITS: return GetNumberOfSigmasITS(track, type); break;
1743 case kTPC: return GetNumberOfSigmasTPC(track, type); break;
1744 case kTOF: return GetNumberOfSigmasTOF(track, type); break;
1745 case kEMCAL: return GetNumberOfSigmasEMCAL(track, type); break;
1746 default: return -999.;
1747 }
1748
1749}
1750
1751
1752
1753//______________________________________________________________________________
1754Float_t AliPIDResponse::GetNumberOfSigmasITS(const AliVParticle *vtrack, AliPID::EParticleType type) const
1755{
1756 //
1757 // Calculate the number of sigmas in the ITS
1758 //
1759
1760 AliVTrack *track=(AliVTrack*)vtrack;
1761
1762 Float_t dEdx=track->GetITSsignal();
1763 if (dEdx<=0) return -999.;
1764
1765 UChar_t clumap=track->GetITSClusterMap();
1766 Int_t nPointsForPid=0;
1767 for(Int_t i=2; i<6; i++){
1768 if(clumap&(1<<i)) ++nPointsForPid;
1769 }
1770 Float_t mom=track->P();
1771
1772 //check for ITS standalone tracks
1773 Bool_t isSA=kTRUE;
1774 if( track->GetStatus() & AliVTrack::kTPCin ) isSA=kFALSE;
1775
1776 //TODO: in case of the electron, use the SA parametrisation,
1777 // this needs to be changed if ITS provides a parametrisation
1778 // for electrons also for ITS+TPC tracks
1779 return fITSResponse.GetNumberOfSigmas(mom,dEdx,type,nPointsForPid,isSA || (type==AliPID::kElectron));
1780}
1781
1782//______________________________________________________________________________
1783Float_t AliPIDResponse::GetNumberOfSigmasTPC(const AliVParticle *vtrack, AliPID::EParticleType type) const
1784{
1785 //
1786 // Calculate the number of sigmas in the TPC
1787 //
1788
1789 AliVTrack *track=(AliVTrack*)vtrack;
1790
1c9d11be 1791 Double_t nSigma = -999.;
f84b18dd 1792
f85a3764 1793 if (fTuneMConData)
1794 this->GetTPCsignalTunedOnData(track);
f84b18dd 1795
f85a3764 1796 nSigma = fTPCResponse.GetNumberOfSigmas(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection);
1c9d11be 1797
1798 return nSigma;
1799}
1800
1801//______________________________________________________________________________
1802Float_t AliPIDResponse::GetNumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type) const
1803{
1804 //
1805 // Calculate the number of sigmas in the EMCAL
1806 //
1807
1808 AliVTrack *track=(AliVTrack*)vtrack;
1809
1810 AliVCluster *matchedClus = NULL;
1811
1812 Double_t mom = -1.;
1813 Double_t pt = -1.;
1814 Double_t EovP = -1.;
1815 Double_t fClsE = -1.;
1816
1817 Int_t nMatchClus = -1;
1818 Int_t charge = 0;
1819
1820 // Track matching
1821 nMatchClus = track->GetEMCALcluster();
1822 if(nMatchClus > -1){
1823
1824 mom = track->P();
1825 pt = track->Pt();
1826 charge = track->Charge();
1827
1828 matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
1829
1830 if(matchedClus){
1831
1832 // matched cluster is EMCAL
1833 if(matchedClus->IsEMCAL()){
1834
1835 fClsE = matchedClus->E();
1836 EovP = fClsE/mom;
1837
1838
1839 // NSigma value really meaningful only for electrons!
1840 return fEMCALResponse.GetNumberOfSigmas(pt,EovP,type,charge);
1841 }
1842 }
1843 }
1844
1845 return -999;
1846
1847}
1848
1849
1850//______________________________________________________________________________
1851AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputePIDProbability (EDetector detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
1852{
1853 //
1854 // Compute PID response of 'detCode'
1855 //
1856
1857 switch (detCode){
1858 case kITS: return GetComputeITSProbability(track, nSpecies, p); break;
1859 case kTPC: return GetComputeTPCProbability(track, nSpecies, p); break;
1860 case kTRD: return GetComputeTRDProbability(track, nSpecies, p); break;
1861 case kTOF: return GetComputeTOFProbability(track, nSpecies, p); break;
1862 case kPHOS: return GetComputePHOSProbability(track, nSpecies, p); break;
1863 case kEMCAL: return GetComputeEMCALProbability(track, nSpecies, p); break;
1864 case kHMPID: return GetComputeHMPIDProbability(track, nSpecies, p); break;
1865 default: return kDetNoSignal;
1866 }
1867}
1868
1869//______________________________________________________________________________
1870AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
1871{
1872 //
1873 // Compute PID response for the ITS
1874 //
1875
1876 // look for cached value first
1877 // only the non SA tracks are cached
1878 if (track->GetDetectorPID()){
1879 return track->GetDetectorPID()->GetRawProbability(kITS, p, nSpecies);
1880 }
1881
1882 // set flat distribution (no decision)
1883 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
1884
1885 if ((track->GetStatus()&AliVTrack::kITSin)==0 &&
1886 (track->GetStatus()&AliVTrack::kITSout)==0) return kDetNoSignal;
1887
1888 //check for ITS standalone tracks
1889 Bool_t isSA=kTRUE;
1890 if( track->GetStatus() & AliVTrack::kTPCin ) isSA=kFALSE;
1891
1892 Double_t mom=track->P();
1893 Double_t dedx=track->GetITSsignal();
1894 Double_t momITS=mom;
1895 UChar_t clumap=track->GetITSClusterMap();
1896 Int_t nPointsForPid=0;
1897 for(Int_t i=2; i<6; i++){
1898 if(clumap&(1<<i)) ++nPointsForPid;
1899 }
1900
1901 if(nPointsForPid<3) { // track not to be used for combined PID purposes
1902 // track->ResetStatus(AliVTrack::kITSpid);
1903 return kDetNoSignal;
1904 }
1905
1906 Bool_t mismatch=kTRUE/*, heavy=kTRUE*/;
1907 for (Int_t j=0; j<AliPID::kSPECIES; j++) {
1908 Double_t mass=AliPID::ParticleMassZ(j);//GeV/c^2
1909 const Double_t chargeFactor = TMath::Power(AliPID::ParticleCharge(j),2.);
1910 Double_t bethe=fITSResponse.Bethe(momITS,mass)*chargeFactor;
1911 //TODO: in case of the electron, use the SA parametrisation,
1912 // this needs to be changed if ITS provides a parametrisation
1913 // for electrons also for ITS+TPC tracks
1914 Double_t sigma=fITSResponse.GetResolution(bethe,nPointsForPid,isSA || (j==(Int_t)AliPID::kElectron));
1915 if (TMath::Abs(dedx-bethe) > fRange*sigma) {
1916 p[j]=TMath::Exp(-0.5*fRange*fRange)/sigma;
1917 } else {
1918 p[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma;
1919 mismatch=kFALSE;
1920 }
1921
1922 // Check for particles heavier than (AliPID::kSPECIES - 1)
1923 // if (dedx < (bethe + fRange*sigma)) heavy=kFALSE;
1924
1925 }
1926
1927 if (mismatch){
1928 for (Int_t j=0; j<AliPID::kSPECIES; j++) p[j]=1./AliPID::kSPECIES;
1929 return kDetNoSignal;
1930 }
1931
1932
1933 return kDetPidOk;
1934}
1935//______________________________________________________________________________
1936AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
1937{
1938 //
1939 // Compute PID response for the TPC
1940 //
1941
1942 // set flat distribution (no decision)
1943 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
1944
1945 // check quality of the track
1946 if ( (track->GetStatus()&AliVTrack::kTPCin )==0 && (track->GetStatus()&AliVTrack::kTPCout)==0 ) return kDetNoSignal;
1947
1c9d11be 1948 Double_t dedx=track->GetTPCsignal();
1949 Bool_t mismatch=kTRUE/*, heavy=kTRUE*/;
1950
1951 if(fTuneMConData) dedx = this->GetTPCsignalTunedOnData(track);
1952
f84b18dd 1953 Double_t bethe = 0.;
1954 Double_t sigma = 0.;
1955
1c9d11be 1956 for (Int_t j=0; j<AliPID::kSPECIESC; j++) {
1957 AliPID::EParticleType type=AliPID::EParticleType(j);
f84b18dd 1958
f85a3764 1959 bethe=fTPCResponse.GetExpectedSignal(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection);
1960 sigma=fTPCResponse.GetExpectedSigma(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection);
1961
1c9d11be 1962 if (TMath::Abs(dedx-bethe) > fRange*sigma) {
1963 p[j]=TMath::Exp(-0.5*fRange*fRange)/sigma;
1964 } else {
1965 p[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma;
1966 mismatch=kFALSE;
1967 }
1968 }
1969
1970 if (mismatch){
1971 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
1972 return kDetNoSignal;
1973 }
1974
1975 return kDetPidOk;
1976}
1977//______________________________________________________________________________
1978AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
1979{
1980 //
1981 // Compute PID response for the
1982 //
1983
1984 Double_t meanCorrFactor = 0.11/fTOFtail; // Correction factor on the mean because of the tail (should be ~ 0.1 with tail = 1.1)
1985
1986 // set flat distribution (no decision)
1987 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
1988
1989 if ((track->GetStatus()&AliVTrack::kTOFout)==0) return kDetNoSignal;
1990 if ((track->GetStatus()&AliVTrack::kTIME)==0) return kDetNoSignal;
1991
1992 Bool_t mismatch = kTRUE/*, heavy = kTRUE*/;
1993 for (Int_t j=0; j<AliPID::kSPECIESC; j++) {
1994 AliPID::EParticleType type=AliPID::EParticleType(j);
1995 Double_t nsigmas=GetNumberOfSigmasTOF(track,type) + meanCorrFactor;
1996
1997 Double_t expTime = fTOFResponse.GetExpectedSignal(track,type);
1998 Double_t sig = fTOFResponse.GetExpectedSigma(track->P(),expTime,AliPID::ParticleMassZ(type));
1999 if (TMath::Abs(nsigmas) > (fRange+2)) {
2000 if(nsigmas < fTOFtail)
2001 p[j] = TMath::Exp(-0.5*(fRange+2)*(fRange+2))/sig;
2002 else
2003 p[j] = TMath::Exp(-(fRange+2 - fTOFtail*0.5)*fTOFtail)/sig;
2004 } else{
2005 if(nsigmas < fTOFtail)
2006 p[j] = TMath::Exp(-0.5*nsigmas*nsigmas)/sig;
2007 else
2008 p[j] = TMath::Exp(-(nsigmas - fTOFtail*0.5)*fTOFtail)/sig;
2009 }
2010
2011 if (TMath::Abs(nsigmas)<5.){
2012 Double_t nsigmasTPC=GetNumberOfSigmasTPC(track,type);
2013 if (TMath::Abs(nsigmasTPC)<5.) mismatch=kFALSE;
2014 }
2015 }
2016
2017 if (mismatch){
2018 return kDetMismatch;
2019 }
2020
2021 // TODO: Light nuclei
2022
2023 return kDetPidOk;
2024}
2025//______________________________________________________________________________
2026AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod/*=AliTRDPIDResponse::kLQ1D*/) const
2027{
2028 //
2029 // Compute PID response for the
2030 //
2031
2032 UInt_t TRDslicesForPID[2];
2033 SetTRDSlices(TRDslicesForPID,PIDmethod);
2034 // set flat distribution (no decision)
2035 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2036 if((track->GetStatus()&AliVTrack::kTRDout)==0) return kDetNoSignal;
2037
2038 Float_t mom[6]={0.};
2039 Double_t dedx[48]={0.}; // Allocate space for the maximum number of TRD slices
2040 Int_t nslices = TRDslicesForPID[1] - TRDslicesForPID[0] + 1;
2041 AliDebug(1, Form("First Slice: %d, Last Slice: %d, Number of slices: %d", TRDslicesForPID[0], TRDslicesForPID[1], nslices));
2042 for(UInt_t ilayer = 0; ilayer < 6; ilayer++){
2043 mom[ilayer] = track->GetTRDmomentum(ilayer);
2044 for(UInt_t islice = TRDslicesForPID[0]; islice <= TRDslicesForPID[1]; islice++){
2045 dedx[ilayer*nslices+islice-TRDslicesForPID[0]] = track->GetTRDslice(ilayer, islice);
2046 }
2047 }
2048 fTRDResponse.GetResponse(nslices, dedx, mom, p,PIDmethod);
2049 return kDetPidOk;
2050
2051}
2052//______________________________________________________________________________
2053AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeEMCALProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2054{
2055 //
2056 // Compute PID response for the EMCAL
2057 //
2058
2059 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2060
2061 AliVCluster *matchedClus = NULL;
2062
2063 Double_t mom = -1.;
2064 Double_t pt = -1.;
2065 Double_t EovP = -1.;
2066 Double_t fClsE = -1.;
2067
2068 Int_t nMatchClus = -1;
2069 Int_t charge = 0;
2070
2071 // Track matching
2072 nMatchClus = track->GetEMCALcluster();
2073
2074 if(nMatchClus > -1){
2075
2076 mom = track->P();
2077 pt = track->Pt();
2078 charge = track->Charge();
2079
2080 matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
2081
2082 if(matchedClus){
2083
2084 // matched cluster is EMCAL
2085 if(matchedClus->IsEMCAL()){
2086
2087 fClsE = matchedClus->E();
2088 EovP = fClsE/mom;
2089
2090
2091 // compute the probabilities
2092 if(fEMCALResponse.ComputeEMCALProbability(nSpecies,pt,EovP,charge,p)){
2093
2094 // in case everything is OK
2095 return kDetPidOk;
2096 }
2097 }
2098 }
2099 }
2100
2101 // in all other cases set flat distribution (no decision)
2102 for (Int_t j=0; j<nSpecies; j++) p[j] = 1./nSpecies;
2103 return kDetNoSignal;
2104
2105}
2106//______________________________________________________________________________
2107AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputePHOSProbability (const AliVTrack */*track*/, Int_t nSpecies, Double_t p[]) const
2108{
2109 //
2110 // Compute PID response for the PHOS
2111 //
2112
2113 // set flat distribution (no decision)
2114 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2115 return kDetNoSignal;
2116}
2117//______________________________________________________________________________
2118AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2119{
2120 //
2121 // Compute PID response for the HMPID
2122 //
2123 // set flat distribution (no decision)
2124 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2125 if((track->GetStatus()&AliVTrack::kHMPIDpid)==0) return kDetNoSignal;
2126
2127 track->GetHMPIDpid(p);
2128
2129 return kDetPidOk;
2130}