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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>
5a9dc560 36#include <TSystem.h>
37#include <TMD5.h>
4ec8e76d 38
39#include <AliVEvent.h>
fd21ec8d 40#include <AliVTrack.h>
4ec8e76d 41#include <AliLog.h>
42#include <AliPID.h>
ea235c90 43#include <AliOADBContainer.h>
db0e2c5f 44#include <AliTRDPIDResponseObject.h>
b79db598 45#include <AliTOFPIDParams.h>
567624b5 46#include <AliHMPIDPIDParams.h>
29bf19f2 47
48#include "AliPIDResponse.h"
00a38d07 49#include "AliDetectorPID.h"
29bf19f2 50
80f28562 51#include "AliCentrality.h"
52
29bf19f2 53ClassImp(AliPIDResponse);
54
4ec8e76d 55AliPIDResponse::AliPIDResponse(Bool_t isMC/*=kFALSE*/) :
56TNamed("PIDResponse","PIDResponse"),
57fITSResponse(isMC),
58fTPCResponse(),
59fTRDResponse(),
60fTOFResponse(),
567624b5 61fHMPIDResponse(),
e96b9916 62fEMCALResponse(),
fd21ec8d 63fRange(5.),
64fITSPIDmethod(kITSTruncMean),
1ceae0ac 65fTuneMConData(kFALSE),
66fTuneMConDataMask(kDetTOF|kDetTPC),
4ec8e76d 67fIsMC(isMC),
1c9d11be 68fCachePID(kTRUE),
4ec8e76d 69fOADBPath(),
00a38d07 70fCustomTPCpidResponse(),
4ec8e76d 71fBeamType("PP"),
72fLHCperiod(),
73fMCperiodTPC(),
fd21ec8d 74fMCperiodUser(),
ea235c90 75fCurrentFile(),
87da0205 76fCurrentAliRootRev(-1),
4ec8e76d 77fRecoPass(0),
fd21ec8d 78fRecoPassUser(-1),
1ceae0ac 79fRun(-1),
1b9e31a6 80fOldRun(-1),
78cbd205 81fResT0A(75.),
82fResT0C(65.),
83fResT0AC(55.),
644666df 84fArrPidResponseMaster(NULL),
85fResolutionCorrection(NULL),
86fOADBvoltageMaps(NULL),
87da0205 87fUseTPCEtaCorrection(kFALSE),
88fUseTPCMultiplicityCorrection(kFALSE),
644666df 89fTRDPIDResponseObject(NULL),
c5fb644a 90fTOFtail(0.9),
644666df 91fTOFPIDParams(NULL),
567624b5 92fHMPIDPIDParams(NULL),
644666df 93fEMCALPIDParams(NULL),
94fCurrentEvent(NULL),
1ceae0ac 95fCurrCentrality(0.0)
4ec8e76d 96{
97 //
98 // default ctor
99 //
a635821f 100 AliLog::SetClassDebugLevel("AliPIDResponse",0);
101 AliLog::SetClassDebugLevel("AliESDpid",0);
102 AliLog::SetClassDebugLevel("AliAODpidUtil",0);
ea235c90 103
4ec8e76d 104}
105
106//______________________________________________________________________________
107AliPIDResponse::~AliPIDResponse()
108{
109 //
110 // dtor
111 //
00a38d07 112 delete fArrPidResponseMaster;
113 delete fTRDPIDResponseObject;
114 delete fTOFPIDParams;
4ec8e76d 115}
116
117//______________________________________________________________________________
118AliPIDResponse::AliPIDResponse(const AliPIDResponse &other) :
119TNamed(other),
120fITSResponse(other.fITSResponse),
121fTPCResponse(other.fTPCResponse),
122fTRDResponse(other.fTRDResponse),
123fTOFResponse(other.fTOFResponse),
567624b5 124fHMPIDResponse(other.fHMPIDResponse),
e96b9916 125fEMCALResponse(other.fEMCALResponse),
fd21ec8d 126fRange(other.fRange),
127fITSPIDmethod(other.fITSPIDmethod),
1ceae0ac 128fTuneMConData(other.fTuneMConData),
129fTuneMConDataMask(other.fTuneMConDataMask),
4ec8e76d 130fIsMC(other.fIsMC),
1c9d11be 131fCachePID(other.fCachePID),
4ec8e76d 132fOADBPath(other.fOADBPath),
00a38d07 133fCustomTPCpidResponse(other.fCustomTPCpidResponse),
4ec8e76d 134fBeamType("PP"),
135fLHCperiod(),
136fMCperiodTPC(),
fd21ec8d 137fMCperiodUser(other.fMCperiodUser),
ea235c90 138fCurrentFile(),
87da0205 139fCurrentAliRootRev(other.fCurrentAliRootRev),
4ec8e76d 140fRecoPass(0),
fd21ec8d 141fRecoPassUser(other.fRecoPassUser),
1ceae0ac 142fRun(-1),
1b9e31a6 143fOldRun(-1),
78cbd205 144fResT0A(75.),
145fResT0C(65.),
146fResT0AC(55.),
644666df 147fArrPidResponseMaster(NULL),
148fResolutionCorrection(NULL),
149fOADBvoltageMaps(NULL),
f84b18dd 150fUseTPCEtaCorrection(other.fUseTPCEtaCorrection),
87da0205 151fUseTPCMultiplicityCorrection(other.fUseTPCMultiplicityCorrection),
644666df 152fTRDPIDResponseObject(NULL),
c5fb644a 153fTOFtail(0.9),
644666df 154fTOFPIDParams(NULL),
567624b5 155fHMPIDPIDParams(NULL),
644666df 156fEMCALPIDParams(NULL),
157fCurrentEvent(NULL),
1ceae0ac 158fCurrCentrality(0.0)
4ec8e76d 159{
160 //
161 // copy ctor
162 //
163}
164
165//______________________________________________________________________________
166AliPIDResponse& AliPIDResponse::operator=(const AliPIDResponse &other)
167{
168 //
169 // copy ctor
170 //
171 if(this!=&other) {
172 delete fArrPidResponseMaster;
173 TNamed::operator=(other);
174 fITSResponse=other.fITSResponse;
175 fTPCResponse=other.fTPCResponse;
176 fTRDResponse=other.fTRDResponse;
177 fTOFResponse=other.fTOFResponse;
567624b5 178 fHMPIDResponse=other.fHMPIDResponse;
e96b9916 179 fEMCALResponse=other.fEMCALResponse;
fd21ec8d 180 fRange=other.fRange;
181 fITSPIDmethod=other.fITSPIDmethod;
4ec8e76d 182 fOADBPath=other.fOADBPath;
00a38d07 183 fCustomTPCpidResponse=other.fCustomTPCpidResponse;
1ceae0ac 184 fTuneMConData=other.fTuneMConData;
185 fTuneMConDataMask=other.fTuneMConDataMask;
4ec8e76d 186 fIsMC=other.fIsMC;
1c9d11be 187 fCachePID=other.fCachePID;
4ec8e76d 188 fBeamType="PP";
189 fLHCperiod="";
190 fMCperiodTPC="";
fd21ec8d 191 fMCperiodUser=other.fMCperiodUser;
ea235c90 192 fCurrentFile="";
87da0205 193 fCurrentAliRootRev=other.fCurrentAliRootRev;
4ec8e76d 194 fRecoPass=0;
fd21ec8d 195 fRecoPassUser=other.fRecoPassUser;
1ceae0ac 196 fRun=-1;
1b9e31a6 197 fOldRun=-1;
78cbd205 198 fResT0A=75.;
199 fResT0C=65.;
200 fResT0AC=55.;
644666df 201 fArrPidResponseMaster=NULL;
202 fResolutionCorrection=NULL;
203 fOADBvoltageMaps=NULL;
1ceae0ac 204 fUseTPCEtaCorrection=other.fUseTPCEtaCorrection;
87da0205 205 fUseTPCMultiplicityCorrection=other.fUseTPCMultiplicityCorrection;
644666df 206 fTRDPIDResponseObject=NULL;
207 fEMCALPIDParams=NULL;
c5fb644a 208 fTOFtail=0.9;
644666df 209 fTOFPIDParams=NULL;
567624b5 210 fHMPIDPIDParams=NULL;
e96b9916 211 fCurrentEvent=other.fCurrentEvent;
87da0205 212
4ec8e76d 213 }
214 return *this;
215}
216
fd21ec8d 217//______________________________________________________________________________
355b831b 218Float_t AliPIDResponse::NumberOfSigmas(EDetector detector, const AliVParticle *vtrack, AliPID::EParticleType type) const
fd21ec8d 219{
220 //
221 // NumberOfSigmas for 'detCode'
222 //
355b831b 223
224 const AliVTrack *track=static_cast<const AliVTrack*>(vtrack);
225 // look for cached value first
226 const AliDetectorPID *detPID=track->GetDetectorPID();
227
228 if ( detPID && detPID->HasNumberOfSigmas(detector)){
229 return detPID->GetNumberOfSigmas(detector, type);
230 } else if (fCachePID) {
231 FillTrackDetectorPID(track, detector);
232 detPID=track->GetDetectorPID();
233 return detPID->GetNumberOfSigmas(detector, type);
fd21ec8d 234 }
355b831b 235
236 return GetNumberOfSigmas(detector, track, type);
fd21ec8d 237}
238
e96b9916 239//______________________________________________________________________________
355b831b 240AliPIDResponse::EDetPidStatus AliPIDResponse::NumberOfSigmas(EDetector detCode, const AliVParticle *track,
241 AliPID::EParticleType type, Double_t &val) const
00a38d07 242{
243 //
355b831b 244 // NumberOfSigmas with detector status as return value
00a38d07 245 //
355b831b 246
247 val=NumberOfSigmas(detCode, track, type);
248 return CheckPIDStatus(detCode, (AliVTrack*)track);
00a38d07 249}
250
1c9d11be 251//______________________________________________________________________________
252// public buffered versions of the PID calculation
253//
254
00a38d07 255//______________________________________________________________________________
256Float_t AliPIDResponse::NumberOfSigmasITS(const AliVParticle *vtrack, AliPID::EParticleType type) const
257{
258 //
259 // Calculate the number of sigmas in the ITS
260 //
261
355b831b 262 return NumberOfSigmas(kITS, vtrack, type);
00a38d07 263}
264
265//______________________________________________________________________________
266Float_t AliPIDResponse::NumberOfSigmasTPC(const AliVParticle *vtrack, AliPID::EParticleType type) const
267{
268 //
269 // Calculate the number of sigmas in the TPC
270 //
271
355b831b 272 return NumberOfSigmas(kTPC, vtrack, type);
00a38d07 273}
274
644666df 275//______________________________________________________________________________
276Float_t AliPIDResponse::NumberOfSigmasTPC( const AliVParticle *vtrack,
277 AliPID::EParticleType type,
f84b18dd 278 AliTPCPIDResponse::ETPCdEdxSource dedxSource) const
644666df 279{
280 //get number of sigmas according the selected TPC gain configuration scenario
281 const AliVTrack *track=static_cast<const AliVTrack*>(vtrack);
282
87da0205 283 Float_t nSigma=fTPCResponse.GetNumberOfSigmas(track, type, dedxSource, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
644666df 284
285 return nSigma;
286}
287
00a38d07 288//______________________________________________________________________________
1c9d11be 289Float_t AliPIDResponse::NumberOfSigmasTOF(const AliVParticle *vtrack, AliPID::EParticleType type) const
00a38d07 290{
291 //
1c9d11be 292 // Calculate the number of sigmas in the TOF
00a38d07 293 //
294
355b831b 295 return NumberOfSigmas(kTOF, vtrack, type);
1c9d11be 296}
e96b9916 297
567624b5 298//______________________________________________________________________________
299Float_t AliPIDResponse::NumberOfSigmasHMPID(const AliVParticle *vtrack, AliPID::EParticleType type) const
300{
301 //
302 // Calculate the number of sigmas in the EMCAL
303 //
304
305 return NumberOfSigmas(kHMPID, vtrack, type);
306}
307
1c9d11be 308//______________________________________________________________________________
309Float_t AliPIDResponse::NumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type) const
310{
311 //
312 // Calculate the number of sigmas in the EMCAL
313 //
e96b9916 314
355b831b 315 return NumberOfSigmas(kEMCAL, vtrack, type);
e96b9916 316}
317
6d0064aa 318//______________________________________________________________________________
1c9d11be 319Float_t AliPIDResponse::NumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &eop, Double_t showershape[4]) const
320{
321 //
322 // emcal nsigma with eop and showershape
323 //
00a38d07 324 AliVTrack *track=(AliVTrack*)vtrack;
325
6d0064aa 326 AliVCluster *matchedClus = NULL;
327
328 Double_t mom = -1.;
329 Double_t pt = -1.;
330 Double_t EovP = -1.;
331 Double_t fClsE = -1.;
32fa24d6 332
333 // initialize eop and shower shape parameters
334 eop = -1.;
335 for(Int_t i = 0; i < 4; i++){
336 showershape[i] = -1.;
337 }
6d0064aa 338
339 Int_t nMatchClus = -1;
340 Int_t charge = 0;
341
342 // Track matching
343 nMatchClus = track->GetEMCALcluster();
344 if(nMatchClus > -1){
345
346 mom = track->P();
347 pt = track->Pt();
348 charge = track->Charge();
349
350 matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
351
352 if(matchedClus){
353
354 // matched cluster is EMCAL
355 if(matchedClus->IsEMCAL()){
356
357 fClsE = matchedClus->E();
358 EovP = fClsE/mom;
359
360 // fill used EMCAL variables here
361 eop = EovP; // E/p
362 showershape[0] = matchedClus->GetNCells(); // number of cells in cluster
363 showershape[1] = matchedClus->GetM02(); // long axis
364 showershape[2] = matchedClus->GetM20(); // short axis
365 showershape[3] = matchedClus->GetDispersion(); // dispersion
1c9d11be 366
367 // look for cached value first
368 const AliDetectorPID *detPID=track->GetDetectorPID();
369 const EDetector detector=kEMCAL;
370
371 if ( detPID && detPID->HasNumberOfSigmas(detector)){
372 return detPID->GetNumberOfSigmas(detector, type);
373 } else if (fCachePID) {
374 FillTrackDetectorPID(track, detector);
375 detPID=track->GetDetectorPID();
376 return detPID->GetNumberOfSigmas(detector, type);
377 }
378
379 // NSigma value really meaningful only for electrons!
380 return fEMCALResponse.GetNumberOfSigmas(pt,EovP,type,charge);
6d0064aa 381 }
382 }
383 }
384 return -999;
385}
386
567624b5 387//______________________________________________________________________________
1d59271b 388AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDelta(EDetector detector, const AliVParticle *track, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
567624b5 389{
390 //
391 //
392 //
393 val=-9999.;
394 switch (detector){
1d59271b 395 case kITS: return GetSignalDeltaITS(track,type,val,ratio); break;
396 case kTPC: return GetSignalDeltaTPC(track,type,val,ratio); break;
397 case kTOF: return GetSignalDeltaTOF(track,type,val,ratio); break;
398 case kHMPID: return GetSignalDeltaHMPID(track,type,val,ratio); break;
567624b5 399 default: return kDetNoSignal;
400 }
401 return kDetNoSignal;
402}
403
404//______________________________________________________________________________
1d59271b 405Double_t AliPIDResponse::GetSignalDelta(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type, Bool_t ratio/*=kFALSE*/) const
567624b5 406{
407 //
408 //
409 //
410 Double_t val=-9999.;
1d59271b 411 EDetPidStatus stat=GetSignalDelta(detCode, track, type, val, ratio);
567624b5 412 if ( stat==kDetNoSignal ) val=-9999.;
413 return val;
414}
415
00a38d07 416//______________________________________________________________________________
355b831b 417AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePIDProbability (EDetCode detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
00a38d07 418{
00a38d07 419 // Compute PID response of 'detCode'
355b831b 420
421 // find detector code from detector bit mask
422 Int_t detector=-1;
423 for (Int_t idet=0; idet<kNdetectors; ++idet) if ( (detCode&(1<<idet)) ) { detector=idet; break; }
424 if (detector==-1) return kDetNoSignal;
00a38d07 425
355b831b 426 return ComputePIDProbability((EDetector)detector, track, nSpecies, p);
00a38d07 427}
428
fd21ec8d 429//______________________________________________________________________________
355b831b 430AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePIDProbability (EDetector detector, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
fd21ec8d 431{
432 //
355b831b 433 // Compute PID response of 'detector'
fd21ec8d 434 //
435
1c9d11be 436 const AliDetectorPID *detPID=track->GetDetectorPID();
355b831b 437
438 if ( detPID && detPID->HasRawProbability(detector)){
1c9d11be 439 return detPID->GetRawProbability(detector, p, nSpecies);
440 } else if (fCachePID) {
441 FillTrackDetectorPID(track, detector);
442 detPID=track->GetDetectorPID();
443 return detPID->GetRawProbability(detector, p, nSpecies);
fd21ec8d 444 }
445
355b831b 446 //if no caching return values calculated from scratch
447 return GetComputePIDProbability(detector, track, nSpecies, p);
448}
449
450//______________________________________________________________________________
451AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
452{
453 // Compute PID response for the ITS
454 return ComputePIDProbability(kITS, track, nSpecies, p);
fd21ec8d 455}
355b831b 456
fd21ec8d 457//______________________________________________________________________________
458AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
459{
fd21ec8d 460 // Compute PID response for the TPC
355b831b 461 return ComputePIDProbability(kTPC, track, nSpecies, p);
fd21ec8d 462}
355b831b 463
fd21ec8d 464//______________________________________________________________________________
465AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
466{
fd21ec8d 467 // Compute PID response for the
355b831b 468 return ComputePIDProbability(kTOF, track, nSpecies, p);
fd21ec8d 469}
355b831b 470
fd21ec8d 471//______________________________________________________________________________
355b831b 472AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
fd21ec8d 473{
fd21ec8d 474 // Compute PID response for the
355b831b 475 return ComputePIDProbability(kTRD, track, nSpecies, p);
fd21ec8d 476}
355b831b 477
fd21ec8d 478//______________________________________________________________________________
e96b9916 479AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeEMCALProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
fd21ec8d 480{
fd21ec8d 481 // Compute PID response for the EMCAL
355b831b 482 return ComputePIDProbability(kEMCAL, track, nSpecies, p);
1c9d11be 483}
484//______________________________________________________________________________
485AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePHOSProbability (const AliVTrack */*track*/, Int_t nSpecies, Double_t p[]) const
486{
1c9d11be 487 // Compute PID response for the PHOS
1c9d11be 488
489 // set flat distribution (no decision)
00a38d07 490 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
1c9d11be 491 return kDetNoSignal;
492}
355b831b 493
1c9d11be 494//______________________________________________________________________________
495AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
496{
1c9d11be 497 // Compute PID response for the HMPID
355b831b 498 return ComputePIDProbability(kHMPID, track, nSpecies, p);
499}
fd21ec8d 500
355b831b 501//______________________________________________________________________________
502AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const
503{
504 // Compute PID response for the
505 return GetComputeTRDProbability(track, nSpecies, p, PIDmethod);
506}
e96b9916 507
355b831b 508//______________________________________________________________________________
509AliPIDResponse::EDetPidStatus AliPIDResponse::CheckPIDStatus(EDetector detector, const AliVTrack *track) const
510{
511 // calculate detector pid status
512
513 const Int_t iDetCode=(Int_t)detector;
514 if (iDetCode<0||iDetCode>=kNdetectors) return kDetNoSignal;
515 const AliDetectorPID *detPID=track->GetDetectorPID();
516
517 if ( detPID ){
518 return detPID->GetPIDStatus(detector);
1c9d11be 519 } else if (fCachePID) {
520 FillTrackDetectorPID(track, detector);
521 detPID=track->GetDetectorPID();
355b831b 522 return detPID->GetPIDStatus(detector);
e96b9916 523 }
355b831b 524
525 // if not buffered and no buffering is requested
526 return GetPIDStatus(detector, track);
fd21ec8d 527}
528
4ec8e76d 529//______________________________________________________________________________
00a38d07 530void AliPIDResponse::InitialiseEvent(AliVEvent *event, Int_t pass, Int_t run)
4ec8e76d 531{
532 //
533 // Apply settings for the current event
534 //
535 fRecoPass=pass;
e96b9916 536
78cbd205 537
644666df 538 fCurrentEvent=NULL;
4ec8e76d 539 if (!event) return;
e96b9916 540 fCurrentEvent=event;
00a38d07 541 if (run>0) fRun=run;
542 else fRun=event->GetRunNumber();
4ec8e76d 543
544 if (fRun!=fOldRun){
545 ExecNewRun();
546 fOldRun=fRun;
547 }
548
549 //TPC resolution parametrisation PbPb
550 if ( fResolutionCorrection ){
551 Double_t corrSigma=fResolutionCorrection->Eval(GetTPCMultiplicityBin(event));
552 fTPCResponse.SetSigma(3.79301e-03*corrSigma, 2.21280e+04);
553 }
554
87da0205 555 // Set up TPC multiplicity for PbPb
22158469
JW		 556 if (fUseTPCMultiplicityCorrection) {
557 Int_t numESDtracks = event->GetNumberOfESDTracks();
558 if (numESDtracks < 0) {
559 AliError("Cannot obtain event multiplicity (number of ESD tracks < 0). If you are using AODs, this might be a too old production. Please disable the multiplicity correction to get a reliable PID result!");
560 numESDtracks = 0;
561 }
562 fTPCResponse.SetCurrentEventMultiplicity(numESDtracks);
87da0205 563 }
87da0205 564 else
565 fTPCResponse.SetCurrentEventMultiplicity(0);
566
4ec8e76d 567 //TOF resolution
b79db598 568 SetTOFResponse(event, (AliPIDResponse::EStartTimeType_t)fTOFPIDParams->GetStartTimeMethod());
569
80f28562 570
571 // Get and set centrality
572 AliCentrality *centrality = event->GetCentrality();
573 if(centrality){
574 fCurrCentrality = centrality->GetCentralityPercentile("V0M");
575 }
576 else{
577 fCurrCentrality = -1;
578 }
87da0205 579
580 // Set centrality percentile for EMCAL
581 fEMCALResponse.SetCentrality(fCurrCentrality);
582
c53e310b 583 // switch off some TOF channel according to OADB to match data TOF matching eff
584 if (fTuneMConData && ((fTuneMConDataMask & kDetTOF) == kDetTOF) && fTOFPIDParams->GetTOFmatchingLossMC() > 0.01){
585 Int_t ntrk = event->GetNumberOfTracks();
586 for(Int_t i=0;i < ntrk;i++){
587 AliVParticle *trk = event->GetTrack(i);
588 Int_t channel = GetTOFResponse().GetTOFchannel(trk);
589 Int_t swoffEachOfThem = Int_t(100./fTOFPIDParams->GetTOFmatchingLossMC() + 0.5);
590 if(!(channel%swoffEachOfThem)) ((AliVTrack *) trk)->ResetStatus(AliVTrack::kTOFout);
591 }
592 }
593
4ec8e76d 594}
595
596//______________________________________________________________________________
597void AliPIDResponse::ExecNewRun()
598{
599 //
600 // Things to Execute upon a new run
601 //
602 SetRecoInfo();
603
604 SetITSParametrisation();
605
606 SetTPCPidResponseMaster();
607 SetTPCParametrisation();
f84b18dd 608 SetTPCEtaMaps();
53d016dc 609
610 SetTRDPidResponseMaster();
611 InitializeTRDResponse();
b2138b40 612
613 SetEMCALPidResponseMaster();
614 InitializeEMCALResponse();
4ec8e76d 615
b79db598 616 SetTOFPidResponseMaster();
617 InitializeTOFResponse();
644666df 618
567624b5 619 SetHMPIDPidResponseMaster();
620 InitializeHMPIDResponse();
621
644666df 622 if (fCurrentEvent) fTPCResponse.SetMagField(fCurrentEvent->GetMagneticField());
4ec8e76d 623}
624
1c9d11be 625//______________________________________________________________________________
4ec8e76d 626Double_t AliPIDResponse::GetTPCMultiplicityBin(const AliVEvent * const event)
627{
628 //
629 // Get TPC multiplicity in bins of 150
630 //
631
632 const AliVVertex* vertexTPC = event->GetPrimaryVertex();
633 Double_t tpcMulti=0.;
634 if(vertexTPC){
635 Double_t vertexContribTPC=vertexTPC->GetNContributors();
636 tpcMulti=vertexContribTPC/150.;
637 if (tpcMulti>20.) tpcMulti=20.;
638 }
639
640 return tpcMulti;
641}
642
643//______________________________________________________________________________
644void AliPIDResponse::SetRecoInfo()
645{
646 //
647 // Set reconstruction information
648 //
649
650 //reset information
651 fLHCperiod="";
652 fMCperiodTPC="";
653
654 fBeamType="";
655
656 fBeamType="PP";
bbce5a64 657
658 Bool_t hasProdInfo=(fCurrentFile.BeginsWith("LHC"));
4ec8e76d 659
bbce5a64 660 TPRegexp reg(".*(LHC1[1-3][a-z]+[0-9]+[a-z_]*)/.*");
661 if (hasProdInfo) reg=TPRegexp("LHC1[1-2][a-z]+[0-9]+[a-z_]*");
e56f039a 662 TPRegexp reg12a17("LHC1[2-3][a-z]");
1436d6bb 663
4ec8e76d 664 //find the period by run number (UGLY, but not stored in ESD and AOD... )
665 if (fRun>=114737&&fRun<=117223) { fLHCperiod="LHC10B"; fMCperiodTPC="LHC10D1"; }
666 else if (fRun>=118503&&fRun<=121040) { fLHCperiod="LHC10C"; fMCperiodTPC="LHC10D1"; }
667 else if (fRun>=122195&&fRun<=126437) { fLHCperiod="LHC10D"; fMCperiodTPC="LHC10F6A"; }
99e9d5ec 668 else if (fRun>=127710&&fRun<=130850) { fLHCperiod="LHC10E"; fMCperiodTPC="LHC10F6A"; }
4ec8e76d 669 else if (fRun>=133004&&fRun<=135029) { fLHCperiod="LHC10F"; fMCperiodTPC="LHC10F6A"; }
670 else if (fRun>=135654&&fRun<=136377) { fLHCperiod="LHC10G"; fMCperiodTPC="LHC10F6A"; }
12d3abbc 671 else if (fRun>=136851&&fRun<=139846) {
ea235c90 672 fLHCperiod="LHC10H";
673 fMCperiodTPC="LHC10H8";
674 if (reg.MatchB(fCurrentFile)) fMCperiodTPC="LHC11A10";
ef7661fd 675 // exception for 13d2 and later
676 if (fCurrentAliRootRev >= 62714) fMCperiodTPC="LHC13D2";
ea235c90 677 fBeamType="PBPB";
678 }
12d3abbc 679 else if (fRun>=139847&&fRun<=146974) { fLHCperiod="LHC11A"; fMCperiodTPC="LHC10F6A"; }
680 //TODO: periods 11B (146975-150721), 11C (150722-155837) are not yet treated assume 11d for the moment
681 else if (fRun>=146975&&fRun<=155837) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
682 else if (fRun>=155838&&fRun<=159649) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
683 // also for 11e (159650-162750),f(162751-165771) use 11d
684 else if (fRun>=159650&&fRun<=162750) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
685 else if (fRun>=162751&&fRun<=165771) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
00a38d07 686
12d3abbc 687 else if (fRun>=165772 && fRun<=170718) {
3077a03d 688 fLHCperiod="LHC11H";
689 fMCperiodTPC="LHC11A10";
690 fBeamType="PBPB";
a78fd045 691 if (reg12a17.MatchB(fCurrentFile)) fMCperiodTPC="LHC12A17";
3077a03d 692 }
8af51a65 693 if (fRun>=170719 && fRun<=177311) { fLHCperiod="LHC12A"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
3b3bf053 694 // for the moment use LHC12b parameters up to LHC12d
8af51a65 695 if (fRun>=177312 /*&& fRun<=179356*/) { fLHCperiod="LHC12B"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
696// if (fRun>=179357 && fRun<=183173) { fLHCperiod="LHC12C"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
697// if (fRun>=183174 && fRun<=186345) { fLHCperiod="LHC12D"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
698// if (fRun>=186346 && fRun<=186635) { fLHCperiod="LHC12E"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
699
700// if (fRun>=186636 && fRun<=188166) { fLHCperiod="LHC12F"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
701// if (fRun >= 188167 && fRun <= 188355 ) { fLHCperiod="LHC12G"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
702// if (fRun >= 188356 && fRun <= 188503 ) { fLHCperiod="LHC12G"; fBeamType="PPB"; /*fMCperiodTPC="";*/ }
3b3bf053 703// for the moment use 12g parametrisation for all full gain runs (LHC12e+)
704 if (fRun >= 186346 && fRun < 194480) { fLHCperiod="LHC12G"; fBeamType="PPB"; fMCperiodTPC="LHC12G"; }
87da0205 705
706 // New parametrisation for 2013 pPb runs
707 if (fRun >= 194480) {
708 fLHCperiod="LHC13B";
709 fBeamType="PPB";
bbce5a64 710 fMCperiodTPC="LHC12G";
87da0205 711
712 if (fCurrentAliRootRev >= 61605)
713 fMCperiodTPC="LHC13B2_FIX";
bbce5a64 714 if (fCurrentAliRootRev >= 62714)
715 fMCperiodTPC="LHC13B2_FIXn1";
c4bec231 716
717 // High luminosity pPb runs require different parametrisations
718 if (fRun >= 195875 && fRun <= 197411) {
719 fLHCperiod="LHC13F";
720 }
87da0205 721 }
80ab5635 722
66de625c 723 //exception new pp MC productions from 2011 (11a periods have 10f6a splines!)
724 if (fBeamType=="PP" && reg.MatchB(fCurrentFile) && !fCurrentFile.Contains("LHC11a")) { fMCperiodTPC="LHC11B2"; fBeamType="PP"; }
4a527e08 725 // exception for 11f1
bbce5a64 726 if (fCurrentFile.Contains("LHC11f1")) fMCperiodTPC="LHC11F1";
bf26ce58 727 // exception for 12f1a, 12f1b and 12i3
bbce5a64 728 if (fCurrentFile.Contains("LHC12f1") || fCurrentFile.Contains("LHC12i3")) fMCperiodTPC="LHC12F1";
c3ee524d 729 // exception for 12c4
bbce5a64 730 if (fCurrentFile.Contains("LHC12c4")) fMCperiodTPC="LHC12C4";
66de625c 731 // exception for 12d and 13d pp periods
732 if (fBeamType=="PP" && fCurrentAliRootRev >= 61605) fMCperiodTPC="LHC13D1";
4ec8e76d 733}
734
735//______________________________________________________________________________
736void AliPIDResponse::SetITSParametrisation()
737{
738 //
739 // Set the ITS parametrisation
740 //
741}
742
f84b18dd 743
744//______________________________________________________________________________
745void AliPIDResponse::AddPointToHyperplane(TH2D* h, TLinearFitter* linExtrapolation, Int_t binX, Int_t binY)
746{
747 if (h->GetBinContent(binX, binY) <= 1e-4)
748 return; // Reject bins without content (within some numerical precision) or with strange content
749
750 Double_t coord[2] = {0, 0};
751 coord[0] = h->GetXaxis()->GetBinCenter(binX);
752 coord[1] = h->GetYaxis()->GetBinCenter(binY);
753 Double_t binError = h->GetBinError(binX, binY);
754 if (binError <= 0) {
755 binError = 1000; // Should not happen because bins without content are rejected for the map (TH2D* h)
756 printf("ERROR: This should never happen: Trying to add bin in addPointToHyperplane with error not set....\n");
757 }
758 linExtrapolation->AddPoint(coord, h->GetBinContent(binX, binY, binError));
759}
760
761
762//______________________________________________________________________________
763TH2D* AliPIDResponse::RefineHistoViaLinearInterpolation(TH2D* h, Double_t refineFactorX, Double_t refineFactorY)
764{
765 if (!h)
766 return 0x0;
767
768 // Interpolate to finer map
769 TLinearFitter* linExtrapolation = new TLinearFitter(2, "hyp2", "");
770
771 Double_t upperMapBoundY = h->GetYaxis()->GetBinUpEdge(h->GetYaxis()->GetNbins());
772 Double_t lowerMapBoundY = h->GetYaxis()->GetBinLowEdge(1);
1b45e564 773 Int_t nBinsX = 30;
f84b18dd 774 // 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,
775 // scale the number of bins correspondingly
1b45e564 776 Int_t nBinsY = TMath::Nint((upperMapBoundY - lowerMapBoundY) / (0.02 - 0.0016) * 40);
f84b18dd 777 Int_t nBinsXrefined = nBinsX * refineFactorX;
778 Int_t nBinsYrefined = nBinsY * refineFactorY;
779
780 TH2D* hRefined = new TH2D(Form("%s_refined", h->GetName()), Form("%s (refined)", h->GetTitle()),
781 nBinsXrefined, h->GetXaxis()->GetBinLowEdge(1), h->GetXaxis()->GetBinUpEdge(h->GetXaxis()->GetNbins()),
782 nBinsYrefined, lowerMapBoundY, upperMapBoundY);
783
784 for (Int_t binX = 1; binX <= nBinsXrefined; binX++) {
785 for (Int_t binY = 1; binY <= nBinsYrefined; binY++) {
786
787 hRefined->SetBinContent(binX, binY, 1); // Default value is 1
788
789 Double_t centerX = hRefined->GetXaxis()->GetBinCenter(binX);
790 Double_t centerY = hRefined->GetYaxis()->GetBinCenter(binY);
791
1b45e564 792 /*OLD
f84b18dd 793 linExtrapolation->ClearPoints();
794
795 // For interpolation: Just take the corresponding bin from the old histo.
796 // For extrapolation: take the last available bin from the old histo.
797 // If the boundaries are to be skipped, also skip the corresponding bins
798 Int_t oldBinX = h->GetXaxis()->FindBin(centerX);
799 if (oldBinX < 1)
800 oldBinX = 1;
801 if (oldBinX > nBinsX)
802 oldBinX = nBinsX;
803
804 Int_t oldBinY = h->GetYaxis()->FindBin(centerY);
805 if (oldBinY < 1)
806 oldBinY = 1;
807 if (oldBinY > nBinsY)
808 oldBinY = nBinsY;
809
810 // Neighbours left column
811 if (oldBinX >= 2) {
812 if (oldBinY >= 2) {
813 AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY - 1);
814 }
815
816 AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY);
817
818 if (oldBinY < nBinsY) {
819 AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY + 1);
820 }
821 }
822
823 // Neighbours (and point itself) same column
824 if (oldBinY >= 2) {
825 AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY - 1);
826 }
827
828 AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY);
829
830 if (oldBinY < nBinsY) {
831 AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY + 1);
832 }
833
834 // Neighbours right column
835 if (oldBinX < nBinsX) {
836 if (oldBinY >= 2) {
837 AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY - 1);
838 }
839
840 AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY);
841
842 if (oldBinY < nBinsY) {
843 AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY + 1);
844 }
845 }
846
847
848 // Fit 2D-hyperplane
849 if (linExtrapolation->GetNpoints() <= 0)
850 continue;
851
852 if (linExtrapolation->Eval() != 0)// EvalRobust -> Takes much, much, [...], much more time (~hours instead of seconds)
853 continue;
854
855 // Fill the bin of the refined histogram with the extrapolated value
856 Double_t interpolatedValue = linExtrapolation->GetParameter(0) + linExtrapolation->GetParameter(1) * centerX
857 + linExtrapolation->GetParameter(2) * centerY;
858 */
f85a3764 859 Double_t interpolatedValue = h->Interpolate(centerX, centerY) ;
f84b18dd 860 hRefined->SetBinContent(binX, binY, interpolatedValue);
861 }
862 }
863
1b45e564 864
865 // Problem: Interpolation does not work before/beyond center of first/last bin (as the name suggests).
866 // Therefore, for each row in dEdx: Take last bin from old map and interpolate values from center and edge.
867 // Assume line through these points and extropolate to last bin of refined map
868 const Double_t firstOldXbinUpEdge = h->GetXaxis()->GetBinUpEdge(1);
869 const Double_t firstOldXbinCenter = h->GetXaxis()->GetBinCenter(1);
870
871 const Double_t oldXbinHalfWidth = firstOldXbinUpEdge - firstOldXbinCenter;
872
873 const Double_t lastOldXbinLowEdge = h->GetXaxis()->GetBinLowEdge(h->GetNbinsX());
874 const Double_t lastOldXbinCenter = h->GetXaxis()->GetBinCenter(h->GetNbinsX());
875
876 for (Int_t binY = 1; binY <= nBinsYrefined; binY++) {
877 Double_t centerY = hRefined->GetYaxis()->GetBinCenter(binY);
878
879 const Double_t interpolatedCenterFirstXbin = h->Interpolate(firstOldXbinCenter, centerY);
880 const Double_t interpolatedUpEdgeFirstXbin = h->Interpolate(firstOldXbinUpEdge, centerY);
881
882 const Double_t extrapolationSlopeFirstXbin = (interpolatedUpEdgeFirstXbin - interpolatedCenterFirstXbin) / oldXbinHalfWidth;
883 const Double_t extrapolationOffsetFirstXbin = interpolatedCenterFirstXbin;
884
885
886 const Double_t interpolatedCenterLastXbin = h->Interpolate(lastOldXbinCenter, centerY);
887 const Double_t interpolatedLowEdgeLastXbin = h->Interpolate(lastOldXbinLowEdge, centerY);
888
889 const Double_t extrapolationSlopeLastXbin = (interpolatedCenterLastXbin - interpolatedLowEdgeLastXbin) / oldXbinHalfWidth;
890 const Double_t extrapolationOffsetLastXbin = interpolatedCenterLastXbin;
891
892 for (Int_t binX = 1; binX <= nBinsXrefined; binX++) {
893 Double_t centerX = hRefined->GetXaxis()->GetBinCenter(binX);
894
895 if (centerX < firstOldXbinCenter) {
896 Double_t extrapolatedValue = extrapolationOffsetFirstXbin + (centerX - firstOldXbinCenter) * extrapolationSlopeFirstXbin;
897 hRefined->SetBinContent(binX, binY, extrapolatedValue);
898 }
899 else if (centerX <= lastOldXbinCenter) {
900 continue;
901 }
902 else {
903 Double_t extrapolatedValue = extrapolationOffsetLastXbin + (centerX - lastOldXbinCenter) * extrapolationSlopeLastXbin;
904 hRefined->SetBinContent(binX, binY, extrapolatedValue);
905 }
906 }
907 }
908
f84b18dd 909 delete linExtrapolation;
910
911 return hRefined;
912}
913
914//______________________________________________________________________________
915void AliPIDResponse::SetTPCEtaMaps(Double_t refineFactorMapX, Double_t refineFactorMapY,
916 Double_t refineFactorSigmaMapX, Double_t refineFactorSigmaMapY)
917{
918 //
919 // Load the TPC eta correction maps from the OADB
920 //
921
f85a3764 922 if (fUseTPCEtaCorrection == kFALSE) {
923 // Disable eta correction via setting no maps
924 if (!fTPCResponse.SetEtaCorrMap(0x0))
1b45e564 925 AliInfo("Request to disable TPC eta correction -> Eta correction has been disabled");
f85a3764 926 else
927 AliError("Request to disable TPC eta correction -> Some error occured when unloading the correction maps");
928
929 if (!fTPCResponse.SetSigmaParams(0x0, 0))
1b45e564 930 AliInfo("Request to disable TPC eta correction -> Using old parametrisation for sigma");
931 else
f85a3764 932 AliError("Request to disable TPC eta correction -> Some error occured when unloading the sigma maps");
933
934 return;
935 }
1b45e564 936
f84b18dd 937 TString dataType = "DATA";
938 TString period = fLHCperiod.IsNull() ? "No period information" : fLHCperiod;
939
940 if (fIsMC) {
87da0205 941 if (!(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) {
f85a3764 942 period=fMCperiodTPC;
943 dataType="MC";
944 }
f84b18dd 945 fRecoPass = 1;
946
87da0205 947 if (!(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) && fMCperiodTPC.IsNull()) {
f84b18dd 948 AliFatal("MC detected, but no MC period set -> Not changing eta maps!");
949 return;
950 }
f84b18dd 951 }
f85a3764 952
953 Int_t recopass = fRecoPass;
a2c30af1 954 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC) )
f85a3764 955 recopass = fRecoPassUser;
f84b18dd 956
f85a3764 957 TString defaultObj = Form("Default_%s_pass%d", dataType.Data(), recopass);
f84b18dd 958
f85a3764 959 AliInfo(Form("Current period and reco pass: %s.pass%d", period.Data(), recopass));
f84b18dd 960
961 // Invalidate old maps
962 fTPCResponse.SetEtaCorrMap(0x0);
963 fTPCResponse.SetSigmaParams(0x0, 0);
964
965 // Load the eta correction maps
f85a3764 966 AliOADBContainer etaMapsCont(Form("TPCetaMaps_%s_pass%d", dataType.Data(), recopass));
f84b18dd 967
968 Int_t statusCont = etaMapsCont.InitFromFile(Form("%s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()),
f85a3764 969 Form("TPCetaMaps_%s_pass%d", dataType.Data(), recopass));
f84b18dd 970 if (statusCont) {
971 AliError("Failed initializing TPC eta correction maps from OADB -> Disabled eta correction");
87da0205 972 fUseTPCEtaCorrection = kFALSE;
f84b18dd 973 }
974 else {
975 AliInfo(Form("Loading TPC eta correction map from %s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()));
976
977 TH2D* etaMap = 0x0;
978
87da0205 979 if (fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) {
f85a3764 980 TString searchMap = Form("TPCetaMaps_%s_%s_pass%d", dataType.Data(), period.Data(), recopass);
f84b18dd 981 etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetDefaultObject(searchMap.Data()));
982 if (!etaMap) {
983 // Try default object
984 etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetDefaultObject(defaultObj.Data()));
985 }
986 }
987 else {
988 etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetObject(fRun, defaultObj.Data()));
989 }
990
991
992 if (!etaMap) {
993 AliError(Form("TPC eta correction map not found for run %d and also no default map found -> Disabled eta correction!!!", fRun));
87da0205 994 fUseTPCEtaCorrection = kFALSE;
f84b18dd 995 }
996 else {
997 TH2D* etaMapRefined = RefineHistoViaLinearInterpolation(etaMap, refineFactorMapX, refineFactorMapY);
998
999 if (etaMapRefined) {
1000 if (!fTPCResponse.SetEtaCorrMap(etaMapRefined)) {
1001 AliError(Form("Failed to set TPC eta correction map for run %d -> Disabled eta correction!!!", fRun));
1002 fTPCResponse.SetEtaCorrMap(0x0);
87da0205 1003 fUseTPCEtaCorrection = kFALSE;
f84b18dd 1004 }
1005 else {
5a9dc560 1006 AliInfo(Form("Loaded TPC eta correction map (refine factors %.2f/%.2f) from %s/COMMON/PID/data/TPCetaMaps.root: %s (MD5(map) = %s)",
1007 refineFactorMapX, refineFactorMapY, fOADBPath.Data(), fTPCResponse.GetEtaCorrMap()->GetTitle(),
1008 GetChecksum(fTPCResponse.GetEtaCorrMap()).Data()));
f84b18dd 1009 }
1010
1011 delete etaMapRefined;
1012 }
1013 else {
1014 AliError(Form("Failed to set TPC eta correction map for run %d (map was loaded, but couldn't be refined) -> Disabled eta correction!!!", fRun));
87da0205 1015 fUseTPCEtaCorrection = kFALSE;
f84b18dd 1016 }
1017 }
1018 }
1019
87da0205 1020 // If there was some problem loading the eta maps, it makes no sense to load the sigma maps (that require eta corrected data)
1021 if (fUseTPCEtaCorrection == kFALSE) {
1022 AliError("Failed to load TPC eta correction map required by sigma maps -> Using old parametrisation for sigma");
1023 return;
1024 }
1025
f84b18dd 1026 // Load the sigma parametrisation (1/dEdx vs tanTheta_local (~eta))
f85a3764 1027 AliOADBContainer etaSigmaMapsCont(Form("TPCetaSigmaMaps_%s_pass%d", dataType.Data(), recopass));
f84b18dd 1028
1029 statusCont = etaSigmaMapsCont.InitFromFile(Form("%s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()),
f85a3764 1030 Form("TPCetaSigmaMaps_%s_pass%d", dataType.Data(), recopass));
f84b18dd 1031 if (statusCont) {
1032 AliError("Failed initializing TPC eta sigma maps from OADB -> Using old sigma parametrisation");
1033 }
1034 else {
1035 AliInfo(Form("Loading TPC eta sigma map from %s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()));
1036
1037 TObjArray* etaSigmaPars = 0x0;
1038
87da0205 1039 if (fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) {
f85a3764 1040 TString searchMap = Form("TPCetaSigmaMaps_%s_%s_pass%d", dataType.Data(), period.Data(), recopass);
f84b18dd 1041 etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetDefaultObject(searchMap.Data()));
1042 if (!etaSigmaPars) {
1043 // Try default object
1044 etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetDefaultObject(defaultObj.Data()));
1045 }
1046 }
1047 else {
1048 etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetObject(fRun, defaultObj.Data()));
1049 }
1050
1051 if (!etaSigmaPars) {
1052 AliError(Form("TPC eta sigma parametrisation not found for run %d -> Using old sigma parametrisation!!!", fRun));
1053 }
1054 else {
1055 TH2D* etaSigmaPar1Map = dynamic_cast<TH2D *>(etaSigmaPars->FindObject("sigmaPar1Map"));
1056 TNamed* sigmaPar0Info = dynamic_cast<TNamed *>(etaSigmaPars->FindObject("sigmaPar0"));
1057 Double_t sigmaPar0 = 0.0;
1058
1059 if (sigmaPar0Info) {
1060 TString sigmaPar0String = sigmaPar0Info->GetTitle();
1061 sigmaPar0 = sigmaPar0String.Atof();
1062 }
1063 else {
1064 // Something is weired because the object for parameter 0 could not be loaded -> New sigma parametrisation can not be used!
1065 etaSigmaPar1Map = 0x0;
1066 }
1067
1068 TH2D* etaSigmaPar1MapRefined = RefineHistoViaLinearInterpolation(etaSigmaPar1Map, refineFactorSigmaMapX, refineFactorSigmaMapY);
1069
1070
1071 if (etaSigmaPar1MapRefined) {
1072 if (!fTPCResponse.SetSigmaParams(etaSigmaPar1MapRefined, sigmaPar0)) {
1073 AliError(Form("Failed to set TPC eta sigma map for run %d -> Using old sigma parametrisation!!!", fRun));
1074 fTPCResponse.SetSigmaParams(0x0, 0);
1075 }
1076 else {
5a9dc560 1077 AliInfo(Form("Loaded TPC sigma correction map (refine factors %.2f/%.2f) from %s/COMMON/PID/data/TPCetaMaps.root: %s (MD5(map) = %s, sigmaPar0 = %f)",
1078 refineFactorSigmaMapX, refineFactorSigmaMapY, fOADBPath.Data(), fTPCResponse.GetSigmaPar1Map()->GetTitle(),
1079 GetChecksum(fTPCResponse.GetSigmaPar1Map()).Data(), sigmaPar0));
f84b18dd 1080 }
1081
1082 delete etaSigmaPar1MapRefined;
1083 }
1084 else {
1085 AliError(Form("Failed to set TPC eta sigma map for run %d (map was loaded, but couldn't be refined) -> Using old sigma parametrisation!!!",
1086 fRun));
1087 }
1088 }
1089 }
1090}
1091
4ec8e76d 1092//______________________________________________________________________________
1093void AliPIDResponse::SetTPCPidResponseMaster()
1094{
1095 //
1096 // Load the TPC pid response functions from the OADB
644666df 1097 // Load the TPC voltage maps from OADB
4ec8e76d 1098 //
09b50a42 1099 //don't load twice for the moment
1100 if (fArrPidResponseMaster) return;
1101
1102
4ec8e76d 1103 //reset the PID response functions
1104 delete fArrPidResponseMaster;
644666df 1105 fArrPidResponseMaster=NULL;
4ec8e76d 1106
1107 TString fileName(Form("%s/COMMON/PID/data/TPCPIDResponse.root", fOADBPath.Data()));
644666df 1108 TFile *f=NULL;
00a38d07 1109 if (!fCustomTPCpidResponse.IsNull()) fileName=fCustomTPCpidResponse;
4ec8e76d 1110
644666df 1111 TString fileNamePIDresponse(Form("%s/COMMON/PID/data/TPCPIDResponse.root", fOADBPath.Data()));
1112 f=TFile::Open(fileNamePIDresponse.Data());
ea235c90 1113 if (f && f->IsOpen() && !f->IsZombie()){
1114 fArrPidResponseMaster=dynamic_cast<TObjArray*>(f->Get("TPCPIDResponse"));
4ec8e76d 1115 }
ea235c90 1116 delete f;
644666df 1117
1118 TString fileNameVoltageMaps(Form("%s/COMMON/PID/data/TPCvoltageSettings.root", fOADBPath.Data()));
1119 f=TFile::Open(fileNameVoltageMaps.Data());
1120 if (f && f->IsOpen() && !f->IsZombie()){
1121 fOADBvoltageMaps=dynamic_cast<AliOADBContainer*>(f->Get("TPCvoltageSettings"));
1122 }
1123 delete f;
4ec8e76d 1124
1125 if (!fArrPidResponseMaster){
644666df 1126 AliFatal(Form("Could not retrieve the TPC pid response from: %s",fileNamePIDresponse.Data()));
4ec8e76d 1127 return;
1128 }
1129 fArrPidResponseMaster->SetOwner();
644666df 1130
1131 if (!fOADBvoltageMaps)
1132 {
1133 AliFatal(Form("Could not retrieve the TPC voltage maps from: %s",fileNameVoltageMaps.Data()));
1134 }
1135 fArrPidResponseMaster->SetOwner();
4ec8e76d 1136}
1137
1138//______________________________________________________________________________
1139void AliPIDResponse::SetTPCParametrisation()
1140{
1141 //
1142 // Change BB parametrisation for current run
1143 //
1144
12d3abbc 1145 //
1146 //reset old splines
1147 //
1148 fTPCResponse.ResetSplines();
1149
4ec8e76d 1150 if (fLHCperiod.IsNull()) {
12d3abbc 1151 AliError("No period set, not changing parametrisation");
4ec8e76d 1152 return;
1153 }
1154
1155 //
1156 // Set default parametrisations for data and MC
1157 //
1158
1159 //data type
1160 TString datatype="DATA";
1161 //in case of mc fRecoPass is per default 1
1162 if (fIsMC) {
87da0205 1163 if(!(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) datatype="MC";
539a5a59 1164 fRecoPass=1;
4ec8e76d 1165 }
f84b18dd 1166
4a527e08 1167 // period
1168 TString period=fLHCperiod;
87da0205 1169 if (fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) period=fMCperiodTPC;
4a527e08 1170
f85a3764 1171 Int_t recopass = fRecoPass;
87da0205 1172 if(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) recopass = fRecoPassUser;
f85a3764 1173
1174 AliInfo(Form("Searching splines for: %s %s PASS%d %s",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
4a527e08 1175 Bool_t found=kFALSE;
4ec8e76d 1176 //
1177 //set the new PID splines
1178 //
4ec8e76d 1179 if (fArrPidResponseMaster){
4ec8e76d 1180 //for MC don't use period information
644666df 1181 //if (fIsMC) period="[A-Z0-9]*";
4ec8e76d 1182 //for MC use MC period information
644666df 1183 //pattern for the default entry (valid for all particles)
de678885 1184 TPRegexp reg(Form("TSPLINE3_%s_([A-Z]*)_%s_PASS%d_%s_MEAN(_*)([A-Z1-9]*)",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
644666df 1185
f85a3764 1186 //find particle id and gain scenario
644666df 1187 for (Int_t igainScenario=0; igainScenario<AliTPCPIDResponse::fgkNumberOfGainScenarios; igainScenario++)
1188 {
1189 TObject *grAll=NULL;
1190 TString gainScenario = AliTPCPIDResponse::GainScenarioName(igainScenario);
1191 gainScenario.ToUpper();
1192 //loop over entries and filter them
1193 for (Int_t iresp=0; iresp<fArrPidResponseMaster->GetEntriesFast();++iresp)
1194 {
1195 TObject *responseFunction=fArrPidResponseMaster->At(iresp);
1196 if (responseFunction==NULL) continue;
1197 TString responseName=responseFunction->GetName();
1198
1199 if (!reg.MatchB(responseName)) continue;
1200
1201 TObjArray *arr=reg.MatchS(responseName); if (!arr) continue;
1202 TObject* tmp=NULL;
1203 tmp=arr->At(1); if (!tmp) continue;
1204 TString particleName=tmp->GetName();
1205 tmp=arr->At(3); if (!tmp) continue;
1206 TString gainScenarioName=tmp->GetName();
1207 delete arr;
1208 if (particleName.IsNull()) continue;
1209 if (!grAll && particleName=="ALL" && gainScenarioName==gainScenario) grAll=responseFunction;
1210 else
1211 {
1212 for (Int_t ispec=0; ispec<(AliTPCPIDResponse::fgkNumberOfParticleSpecies); ++ispec)
1213 {
1214 TString particle=AliPID::ParticleName(ispec);
1215 particle.ToUpper();
1216 //std::cout<<responseName<<" "<<particle<<" "<<particleName<<" "<<gainScenario<<" "<<gainScenarioName<<std::endl;
1217 if ( particle == particleName && gainScenario == gainScenarioName )
1218 {
1219 fTPCResponse.SetResponseFunction( responseFunction,
1220 (AliPID::EParticleType)ispec,
1221 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1222 fTPCResponse.SetUseDatabase(kTRUE);
5a9dc560 1223 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,responseFunction->GetName(),
1224 GetChecksum((TSpline3*)responseFunction).Data()));
644666df 1225 found=kTRUE;
644666df 1226 break;
1227 }
4ec8e76d 1228 }
1229 }
1230 }
bf26ce58 1231
1232 // Retrieve responsefunction for pions - will (if available) be used for muons if there are no dedicated muon splines.
1233 // For light nuclei, try to set the proton spline, if no dedicated splines are available.
1234 // In both cases: Use default splines, if no dedicated splines and no pion/proton splines are available.
1235 TObject* responseFunctionPion = fTPCResponse.GetResponseFunction( (AliPID::EParticleType)AliPID::kPion,
1236 (AliTPCPIDResponse::ETPCgainScenario)igainScenario);
1237 TObject* responseFunctionProton = fTPCResponse.GetResponseFunction( (AliPID::EParticleType)AliPID::kProton,
1238 (AliTPCPIDResponse::ETPCgainScenario)igainScenario);
1239
1240 for (Int_t ispec=0; ispec<(AliTPCPIDResponse::fgkNumberOfParticleSpecies); ++ispec)
644666df 1241 {
bf26ce58 1242 if (!fTPCResponse.GetResponseFunction( (AliPID::EParticleType)ispec,
1243 (AliTPCPIDResponse::ETPCgainScenario)igainScenario))
644666df 1244 {
bf26ce58 1245 if (ispec == AliPID::kMuon) { // Muons
1246 if (responseFunctionPion) {
1247 fTPCResponse.SetResponseFunction( responseFunctionPion,
1248 (AliPID::EParticleType)ispec,
1249 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1250 fTPCResponse.SetUseDatabase(kTRUE);
5a9dc560 1251 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,responseFunctionPion->GetName(),
1252 GetChecksum((TSpline3*)responseFunctionPion).Data()));
bf26ce58 1253 found=kTRUE;
1254 }
1255 else if (grAll) {
1256 fTPCResponse.SetResponseFunction( grAll,
1257 (AliPID::EParticleType)ispec,
1258 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1259 fTPCResponse.SetUseDatabase(kTRUE);
5a9dc560 1260 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,grAll->GetName(),
1261 GetChecksum((TSpline3*)grAll).Data()));
bf26ce58 1262 found=kTRUE;
1263 }
1264 //else
1265 // AliError(Form("No splines found for muons (also no pion splines and no default splines) for gain scenario %d!", igainScenario));
1266 }
1267 else if (ispec >= AliPID::kSPECIES) { // Light nuclei
1268 if (responseFunctionProton) {
1269 fTPCResponse.SetResponseFunction( responseFunctionProton,
1270 (AliPID::EParticleType)ispec,
1271 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1272 fTPCResponse.SetUseDatabase(kTRUE);
5a9dc560 1273 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,responseFunctionProton->GetName(),
1274 GetChecksum((TSpline3*)responseFunctionProton).Data()));
bf26ce58 1275 found=kTRUE;
1276 }
1277 else if (grAll) {
644666df 1278 fTPCResponse.SetResponseFunction( grAll,
1279 (AliPID::EParticleType)ispec,
1280 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1281 fTPCResponse.SetUseDatabase(kTRUE);
5a9dc560 1282 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,grAll->GetName(),
1283 GetChecksum((TSpline3*)grAll).Data()));
644666df 1284 found=kTRUE;
bf26ce58 1285 }
1286 //else
1287 // AliError(Form("No splines found for species %d (also no proton splines and no default splines) for gain scenario %d!",
1288 // ispec, igainScenario));
644666df 1289 }
4ec8e76d 1290 }
1291 }
1292 }
1293 }
644666df 1294 else AliInfo("no fArrPidResponseMaster");
4a527e08 1295
1296 if (!found){
f85a3764 1297 AliError(Form("No splines found for: %s %s PASS%d %s",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
4a527e08 1298 }
644666df 1299
87da0205 1300
1301 //
22158469 1302 // Setup multiplicity correction (only used for non-pp collisions)
87da0205 1303 //
22158469
JW		 1304
1305 const Bool_t isPP = (fBeamType.CompareTo("PP") == 0);
1306
1307 // 2013 pPb data taking at low luminosity
1308 const Bool_t isPPb2013LowLuminosity = period.Contains("LHC13B") || period.Contains("LHC13C") || period.Contains("LHC13D");
1309 // PbPb 2010, period 10h.pass2
1310 //TODO Needs further development const Bool_t is10hpass2 = period.Contains("LHC10H") && recopass == 2;
1311
1312 // If correction is available, but disabled (highly NOT recommended!), print warning
1313 if (!fUseTPCMultiplicityCorrection && !isPP) {
1314 //TODO: Needs further development if (is10hpass2 || isPPb2013LowLuminosity) {
1315 if (isPPb2013LowLuminosity) {
1316 AliWarning("Mulitplicity correction disabled, but correction parameters for this period exist. It is highly recommended to use enable the correction. Otherwise the splines might be off!");
1317 }
1318 }
1319
1320 if (fUseTPCMultiplicityCorrection && !isPP) {
87da0205 1321 AliInfo("Multiplicity correction enabled!");
1322
1323 //TODO After testing, load parameters from outside
22158469 1324 /*TODO no correction for MC
87da0205 1325 if (period.Contains("LHC11A10")) {//LHC11A10A
1326 AliInfo("Using multiplicity correction parameters for 11a10!");
1327 fTPCResponse.SetParameterMultiplicityCorrection(0, 6.90133e-06);
1328 fTPCResponse.SetParameterMultiplicityCorrection(1, -1.22123e-03);
1329 fTPCResponse.SetParameterMultiplicityCorrection(2, 1.80220e-02);
1330 fTPCResponse.SetParameterMultiplicityCorrection(3, 0.1);
1331 fTPCResponse.SetParameterMultiplicityCorrection(4, 6.45306e-03);
1332
1333 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, -2.85505e-07);
1334 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, -1.31911e-06);
1335 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5);
1336
1337 fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, -4.29665e-05);
1338 fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, 1.37023e-02);
1339 fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, -6.36337e-01);
1340 fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 1.13479e-02);
1341 }
22158469
JW		 1342 else*/ if (isPPb2013LowLuminosity) {// 2013 pPb data taking at low luminosity
1343 AliInfo("Using multiplicity correction parameters for 13b.pass2 (at least also valid for 13{c,d} and pass 3)!");
ef7661fd 1344
1345 fTPCResponse.SetParameterMultiplicityCorrection(0, -5.906e-06);
1346 fTPCResponse.SetParameterMultiplicityCorrection(1, -5.064e-04);
1347 fTPCResponse.SetParameterMultiplicityCorrection(2, -3.521e-02);
1348 fTPCResponse.SetParameterMultiplicityCorrection(3, 2.469e-02);
1349 fTPCResponse.SetParameterMultiplicityCorrection(4, 0);
1350
1351 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, -5.32e-06);
1352 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, 1.177e-05);
1353 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5);
1354
1355 fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, 0.);
1356 fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, 0.);
1357 fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, 0.);
1358 fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 0.);
1359
1360 /* Not too bad, but far from perfect in the details
1361 fTPCResponse.SetParameterMultiplicityCorrection(0, -6.27187e-06);
1362 fTPCResponse.SetParameterMultiplicityCorrection(1, -4.60649e-04);
1363 fTPCResponse.SetParameterMultiplicityCorrection(2, -4.26450e-02);
1364 fTPCResponse.SetParameterMultiplicityCorrection(3, 2.40590e-02);
1365 fTPCResponse.SetParameterMultiplicityCorrection(4, 0);
1366
1367 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, -5.338e-06);
1368 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, 1.220e-05);
1369 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5);
1370
1371 fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, 7.89237e-05);
1372 fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, -1.30662e-02);
1373 fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, 8.91548e-01);
1374 fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 1.47931e-02);
1375 */
1376 }
22158469
JW		 1377 /*TODO: Needs further development
1378 else if (is10hpass2) {
87da0205 1379 AliInfo("Using multiplicity correction parameters for 10h.pass2!");
1380 fTPCResponse.SetParameterMultiplicityCorrection(0, 3.21636e-07);
1381 fTPCResponse.SetParameterMultiplicityCorrection(1, -6.65876e-04);
1382 fTPCResponse.SetParameterMultiplicityCorrection(2, 1.28786e-03);
1383 fTPCResponse.SetParameterMultiplicityCorrection(3, 1.47677e-02);
1384 fTPCResponse.SetParameterMultiplicityCorrection(4, 0);
1385
1386 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, 7.23591e-08);
1387 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, 2.7469e-06);
1388 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5);
1389
1390 fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, -1.22590e-05);
1391 fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, 6.88888e-03);
1392 fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, -3.20788e-01);
1393 fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 1.07345e-02);
1394 }
22158469 1395 */
87da0205 1396 else {
1397 AliError(Form("Multiplicity correction is enabled, but no multiplicity correction parameters have been found for period %s.pass%d -> Mulitplicity correction DISABLED!", period.Data(), recopass));
1398 fUseTPCMultiplicityCorrection = kFALSE;
1399 fTPCResponse.ResetMultiplicityCorrectionFunctions();
1400 }
1401 }
1402 else {
1403 // Just set parameters such that overall correction factor is 1, i.e. no correction.
1404 // This is just a reasonable choice for the parameters for safety reasons. Disabling
1405 // the multiplicity correction will anyhow skip the calculation of the corresponding
1406 // correction factor inside THIS class. Nevertheless, experts can access the TPCPIDResponse
1407 // directly and use it for calculations - which should still give valid results, even if
1408 // the multiplicity correction is explicitely enabled in such expert calls.
1409
1410 AliInfo(Form("Multiplicity correction %sdisabled (%s)!", fUseTPCMultiplicityCorrection ? "automatically " : "",
ef7661fd 1411 fUseTPCMultiplicityCorrection ? "pp collisions" : "requested by user"));
87da0205 1412
1413 fUseTPCMultiplicityCorrection = kFALSE;
1414 fTPCResponse.ResetMultiplicityCorrectionFunctions();
1415 }
1416
22158469
JW		 1417 if (fUseTPCMultiplicityCorrection) {
1418 for (Int_t i = 0; i <= 4 + 1; i++) {
1419 AliInfo(Form("parMultCorr: %d, %e", i, fTPCResponse.GetMultiplicityCorrectionFunction()->GetParameter(i)));
1420 }
1421 for (Int_t j = 0; j <= 2 + 1; j++) {
1422 AliInfo(Form("parMultCorrTanTheta: %d, %e", j, fTPCResponse.GetMultiplicityCorrectionFunctionTanTheta()->GetParameter(j)));
1423 }
1424 for (Int_t j = 0; j <= 3 + 1; j++) {
1425 AliInfo(Form("parMultSigmaCorr: %d, %e", j, fTPCResponse.GetMultiplicitySigmaCorrectionFunction()->GetParameter(j)));
1426 }
87da0205 1427 }
1428
4ec8e76d 1429 //
87da0205 1430 // Setup old resolution parametrisation
4ec8e76d 1431 //
1432
1433 //default
1434 fTPCResponse.SetSigma(3.79301e-03, 2.21280e+04);
1435
3b3bf053 1436 if (fRun>=122195){ //LHC10d
4ec8e76d 1437 fTPCResponse.SetSigma(2.30176e-02, 5.60422e+02);
1438 }
3b3bf053 1439
1440 if (fRun>=170719){ // LHC12a
1441 fTPCResponse.SetSigma(2.95714e-03, 1.01953e+05);
1442 }
1443
1444 if (fRun>=177312){ // LHC12b
1445 fTPCResponse.SetSigma(3.74633e-03, 7.11829e+04 );
1446 }
1447
1448 if (fRun>=186346){ // LHC12e
723c4874 1449 fTPCResponse.SetSigma(8.62022e-04, 9.08156e+05);
1450 }
1451
23425eb2 1452 if (fArrPidResponseMaster)
f85a3764 1453 fResolutionCorrection=(TF1*)fArrPidResponseMaster->FindObject(Form("TF1_%s_ALL_%s_PASS%d_%s_SIGMA",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
4ec8e76d 1454
5a9dc560 1455 if (fResolutionCorrection) AliInfo(Form("Setting multiplicity correction function: %s (MD5(corr function) = %s)",
1456 fResolutionCorrection->GetName(), GetChecksum(fResolutionCorrection).Data()));
644666df 1457
1458 //read in the voltage map
12d3abbc 1459 TVectorF* gsm = 0x0;
1460 if (fOADBvoltageMaps) gsm=dynamic_cast<TVectorF*>(fOADBvoltageMaps->GetObject(fRun));
644666df 1461 if (gsm)
1462 {
1463 fTPCResponse.SetVoltageMap(*gsm);
1464 TString vals;
1465 AliInfo(Form("Reading the voltage map for run %d\n",fRun));
1466 vals="IROC A: "; for (Int_t i=0; i<18; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1467 AliInfo(vals.Data());
1468 vals="IROC C: "; for (Int_t i=18; i<36; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1469 AliInfo(vals.Data());
1470 vals="OROC A: "; for (Int_t i=36; i<54; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1471 AliInfo(vals.Data());
1472 vals="OROC C: "; for (Int_t i=54; i<72; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1473 AliInfo(vals.Data());
1474 }
1475 else AliInfo("no voltage map, ideal default assumed");
4ec8e76d 1476}
1477
ea235c90 1478//______________________________________________________________________________
1479void AliPIDResponse::SetTRDPidResponseMaster()
1480{
1481 //
1482 // Load the TRD pid params and references from the OADB
1483 //
db0e2c5f 1484 if(fTRDPIDResponseObject) return;
53d016dc 1485 AliOADBContainer contParams("contParams");
1486
db0e2c5f 1487 Int_t statusResponse = contParams.InitFromFile(Form("%s/COMMON/PID/data/TRDPIDResponse.root", fOADBPath.Data()), "AliTRDPIDResponseObject");
1488 if(statusResponse){
1489 AliError("Failed initializing PID Response Object from OADB");
59a8e853 1490 } else {
db0e2c5f 1491 AliInfo(Form("Loading TRD Response from %s/COMMON/PID/data/TRDPIDResponse.root", fOADBPath.Data()));
1492 fTRDPIDResponseObject = dynamic_cast<AliTRDPIDResponseObject *>(contParams.GetObject(fRun));
1493 if(!fTRDPIDResponseObject){
1494 AliError(Form("TRD Response not found in run %d", fRun));
59a8e853 1495 }
1496 }
ea235c90 1497}
1498
1499//______________________________________________________________________________
1500void AliPIDResponse::InitializeTRDResponse(){
1501 //
1502 // Set PID Params and references to the TRD PID response
1503 //
db0e2c5f 1504 fTRDResponse.SetPIDResponseObject(fTRDPIDResponseObject);
f2762b1c 1505}
1506
bd58d4b9 1507//______________________________________________________________________________
1508void AliPIDResponse::SetTRDSlices(UInt_t TRDslicesForPID[2],AliTRDPIDResponse::ETRDPIDMethod method) const{
1509
72abc110 1510 if(fLHCperiod.Contains("LHC10D") || fLHCperiod.Contains("LHC10E")){
bd58d4b9 1511 // backward compatibility for setting with 8 slices
1512 TRDslicesForPID[0] = 0;
1513 TRDslicesForPID[1] = 7;
f2762b1c 1514 }
bd58d4b9 1515 else{
1516 if(method==AliTRDPIDResponse::kLQ1D){
1517 TRDslicesForPID[0] = 0; // first Slice contains normalized dEdx
1518 TRDslicesForPID[1] = 0;
1519 }
1520 if(method==AliTRDPIDResponse::kLQ2D){
1521 TRDslicesForPID[0] = 1;
1522 TRDslicesForPID[1] = 7;
1523 }
db0e2c5f 1524 }
bd58d4b9 1525 AliDebug(1,Form("Slice Range set to %d - %d",TRDslicesForPID[0],TRDslicesForPID[1]));
ea235c90 1526}
1527
b79db598 1528//______________________________________________________________________________
1529void AliPIDResponse::SetTOFPidResponseMaster()
1530{
1531 //
1532 // Load the TOF pid params from the OADB
1533 //
00a38d07 1534
1535 if (fTOFPIDParams) delete fTOFPIDParams;
644666df 1536 fTOFPIDParams=NULL;
00a38d07 1537
b79db598 1538 TFile *oadbf = new TFile(Form("%s/COMMON/PID/data/TOFPIDParams.root",fOADBPath.Data()));
00a38d07 1539 if (oadbf && oadbf->IsOpen()) {
b79db598 1540 AliInfo(Form("Loading TOF Params from %s/COMMON/PID/data/TOFPIDParams.root", fOADBPath.Data()));
1541 AliOADBContainer *oadbc = (AliOADBContainer *)oadbf->Get("TOFoadb");
00a38d07 1542 if (oadbc) fTOFPIDParams = dynamic_cast<AliTOFPIDParams *>(oadbc->GetObject(fRun,"TOFparams"));
b79db598 1543 oadbf->Close();
1544 delete oadbc;
b79db598 1545 }
1546 delete oadbf;
1547
00a38d07 1548 if (!fTOFPIDParams) AliFatal("TOFPIDParams could not be retrieved");
1549}
b79db598 1550
1551//______________________________________________________________________________
1552void AliPIDResponse::InitializeTOFResponse(){
1553 //
1554 // Set PID Params to the TOF PID response
00a38d07 1555 //
1556
1557 AliInfo("TOF PID Params loaded from OADB");
1558 AliInfo(Form(" TOF resolution %5.2f [ps]",fTOFPIDParams->GetTOFresolution()));
1559 AliInfo(Form(" StartTime method %d",fTOFPIDParams->GetStartTimeMethod()));
1560 AliInfo(Form(" TOF res. mom. params: %5.2f %5.2f %5.2f %5.2f",
1561 fTOFPIDParams->GetSigParams(0),fTOFPIDParams->GetSigParams(1),fTOFPIDParams->GetSigParams(2),fTOFPIDParams->GetSigParams(3)));
c53e310b 1562 AliInfo(Form(" Fraction of tracks within gaussian behaviour: %6.4f",fTOFPIDParams->GetTOFtail()));
1563 AliInfo(Form(" MC: Fraction of tracks (percentage) to cut to fit matching in data: %6.2f%%",fTOFPIDParams->GetTOFmatchingLossMC()));
1564 AliInfo(Form(" MC: Fraction of random hits (percentage) to add to fit mismatch in data: %6.2f%%",fTOFPIDParams->GetTOFadditionalMismForMC()));
1565 AliInfo(Form(" Start Time Offset %6.2f ps",fTOFPIDParams->GetTOFtimeOffset()));
1566
b79db598 1567 for (Int_t i=0;i<4;i++) {
1568 fTOFResponse.SetTrackParameter(i,fTOFPIDParams->GetSigParams(i));
1569 }
1570 fTOFResponse.SetTimeResolution(fTOFPIDParams->GetTOFresolution());
1571
78cbd205 1572 AliInfo("TZERO resolution loaded from ESDrun/AODheader");
1573 Float_t t0Spread[4];
1574 for (Int_t i=0;i<4;i++) t0Spread[i]=fCurrentEvent->GetT0spread(i);
1575 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]));
1576 Float_t a = t0Spread[1]*t0Spread[1]-t0Spread[0]*t0Spread[0]+t0Spread[3]*t0Spread[3];
1577 Float_t c = t0Spread[2]*t0Spread[2]-t0Spread[0]*t0Spread[0]+t0Spread[3]*t0Spread[3];
1578 if ( (t0Spread[0] > 50. && t0Spread[0] < 400.) && (a > 0.) && (c>0.)) {
1579 fResT0AC=t0Spread[3];
1580 fResT0A=TMath::Sqrt(a);
1581 fResT0C=TMath::Sqrt(c);
1582 } else {
1583 AliInfo(" TZERO spreads not present or inconsistent, loading default");
1584 fResT0A=75.;
1585 fResT0C=65.;
1586 fResT0AC=55.;
1587 }
1588 AliInfo(Form(" TZERO resolution set to: T0A: %f [ps] T0C: %f [ps] T0AC %f [ps]",fResT0A,fResT0C,fResT0AC));
1589
b79db598 1590}
1591
567624b5 1592//______________________________________________________________________________
1593void AliPIDResponse::SetHMPIDPidResponseMaster()
1594{
1595 //
1596 // Load the HMPID pid params from the OADB
1597 //
1598
1599 if (fHMPIDPIDParams) delete fHMPIDPIDParams;
1600 fHMPIDPIDParams=NULL;
1601
1602 TFile *oadbf = new TFile(Form("%s/COMMON/PID/data/HMPIDPIDParams.root",fOADBPath.Data()));
1603 if (oadbf && oadbf->IsOpen()) {
1604 AliInfo(Form("Loading HMPID Params from %s/COMMON/PID/data/HMPIDPIDParams.root", fOADBPath.Data()));
1605 AliOADBContainer *oadbc = (AliOADBContainer *)oadbf->Get("HMPoadb");
1606 if (oadbc) fHMPIDPIDParams = dynamic_cast<AliHMPIDPIDParams *>(oadbc->GetObject(fRun,"HMPparams"));
1607 oadbf->Close();
1608 delete oadbc;
1609 }
1610 delete oadbf;
1611
1612 if (!fHMPIDPIDParams) AliFatal("HMPIDPIDParams could not be retrieved");
1613}
1614
1615//______________________________________________________________________________
1616void AliPIDResponse::InitializeHMPIDResponse(){
1617 //
1618 // Set PID Params to the HMPID PID response
1619 //
1620
1621 fHMPIDResponse.SetRefIndexArray(fHMPIDPIDParams->GetHMPIDrefIndex());
1622}
b79db598 1623
1c9d11be 1624//______________________________________________________________________________
bd58d4b9 1625Bool_t AliPIDResponse::IdentifiedAsElectronTRD(const AliVTrack *vtrack, Double_t efficiencyLevel,Double_t centrality,AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const {
ea235c90 1626 //
1627 // Check whether track is identified as electron under a given electron efficiency hypothesis
bd58d4b9 1628 //
1629
ea235c90 1630 Double_t probs[AliPID::kSPECIES];
bd58d4b9 1631 ComputeTRDProbability(vtrack, AliPID::kSPECIES, probs,PIDmethod);
ea235c90 1632
99e9d5ec 1633 Int_t ntracklets = vtrack->GetTRDntrackletsPID();
1634 // Take mean of the TRD momenta in the given tracklets
1635 Float_t p = 0, trdmomenta[AliVTrack::kTRDnPlanes];
1636 Int_t nmomenta = 0;
ea235c90 1637 for(Int_t iPl=0;iPl<AliVTrack::kTRDnPlanes;iPl++){
1638 if(vtrack->GetTRDmomentum(iPl) > 0.){
99e9d5ec 1639 trdmomenta[nmomenta++] = vtrack->GetTRDmomentum(iPl);
ea235c90 1640 }
1641 }
99e9d5ec 1642 p = TMath::Mean(nmomenta, trdmomenta);
ea235c90 1643
bd58d4b9 1644 return fTRDResponse.IdentifiedAsElectron(ntracklets, probs, p, efficiencyLevel,centrality,PIDmethod);
ea235c90 1645}
1646
b2138b40 1647//______________________________________________________________________________
1648void AliPIDResponse::SetEMCALPidResponseMaster()
1649{
1650 //
1651 // Load the EMCAL pid response functions from the OADB
1652 //
1653 TObjArray* fEMCALPIDParamsRun = NULL;
1654 TObjArray* fEMCALPIDParamsPass = NULL;
1655
1656 if(fEMCALPIDParams) return;
1657 AliOADBContainer contParams("contParams");
1658
1659 Int_t statusPars = contParams.InitFromFile(Form("%s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()), "AliEMCALPIDParams");
1660 if(statusPars){
1661 AliError("Failed initializing PID Params from OADB");
1662 }
1663 else {
1664 AliInfo(Form("Loading EMCAL Params from %s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()));
1665
1666 fEMCALPIDParamsRun = dynamic_cast<TObjArray *>(contParams.GetObject(fRun));
1667 if(fEMCALPIDParamsRun) fEMCALPIDParamsPass = dynamic_cast<TObjArray *>(fEMCALPIDParamsRun->FindObject(Form("pass%d",fRecoPass)));
1668 if(fEMCALPIDParamsPass) fEMCALPIDParams = dynamic_cast<TObjArray *>(fEMCALPIDParamsPass->FindObject(Form("EMCALPIDParams_Particles")));
1669
1670 if(!fEMCALPIDParams){
f8d39067 1671 AliInfo(Form("EMCAL Params not found in run %d pass %d", fRun, fRecoPass));
1f631618 1672 AliInfo("Will take the standard LHC11d instead ...");
b2138b40 1673
1f631618 1674 fEMCALPIDParamsRun = dynamic_cast<TObjArray *>(contParams.GetObject(156477));
1675 if(fEMCALPIDParamsRun) fEMCALPIDParamsPass = dynamic_cast<TObjArray *>(fEMCALPIDParamsRun->FindObject(Form("pass%d",1)));
b2138b40 1676 if(fEMCALPIDParamsPass) fEMCALPIDParams = dynamic_cast<TObjArray *>(fEMCALPIDParamsPass->FindObject(Form("EMCALPIDParams_Particles")));
1677
1678 if(!fEMCALPIDParams){
1f631618 1679 AliError(Form("DEFAULT EMCAL Params (LHC11d) not found in file %s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()));
b2138b40 1680 }
1681 }
1682 }
1683}
1684
1685//______________________________________________________________________________
1686void AliPIDResponse::InitializeEMCALResponse(){
1687 //
1688 // Set PID Params to the EMCAL PID response
1689 //
1690 fEMCALResponse.SetPIDParams(fEMCALPIDParams);
1691
1692}
00a38d07 1693
1c9d11be 1694//______________________________________________________________________________
1695void AliPIDResponse::FillTrackDetectorPID(const AliVTrack *track, EDetector detector) const
00a38d07 1696{
1697 //
1698 // create detector PID information and setup the transient pointer in the track
1699 //
1c9d11be 1700
1701 // check if detector number is inside accepted range
1702 if (detector == kNdetectors) return;
1703
1704 // get detector pid
1705 AliDetectorPID *detPID=const_cast<AliDetectorPID*>(track->GetDetectorPID());
1706 if (!detPID) {
1707 detPID=new AliDetectorPID;
1708 (const_cast<AliVTrack*>(track))->SetDetectorPID(detPID);
1709 }
1710
1711 //check if values exist
355b831b 1712 if (detPID->HasRawProbability(detector) && detPID->HasNumberOfSigmas(detector)) return;
00a38d07 1713
1714 //TODO: which particles to include? See also the loops below...
1715 Double_t values[AliPID::kSPECIESC]={0};
1c9d11be 1716
355b831b 1717 //probabilities
1718 EDetPidStatus status=GetComputePIDProbability(detector,track,AliPID::kSPECIESC,values);
1719 detPID->SetRawProbability(detector, values, (Int_t)AliPID::kSPECIESC, status);
1720
1c9d11be 1721 //nsigmas
1722 for (Int_t ipart=0; ipart<AliPID::kSPECIESC; ++ipart)
1723 values[ipart]=GetNumberOfSigmas(detector,track,(AliPID::EParticleType)ipart);
355b831b 1724 // the pid status is the same for probabilities and nSigmas, so it is
1725 // fine to use the one from the probabilities also here
1726 detPID->SetNumberOfSigmas(detector, values, (Int_t)AliPID::kSPECIESC, status);
1c9d11be 1727
1c9d11be 1728}
1729
1730//______________________________________________________________________________
1731void AliPIDResponse::FillTrackDetectorPID()
1732{
1733 //
1734 // create detector PID information and setup the transient pointer in the track
1735 //
1736
1737 if (!fCurrentEvent) return;
00a38d07 1738
1739 for (Int_t itrack=0; itrack<fCurrentEvent->GetNumberOfTracks(); ++itrack){
1740 AliVTrack *track=dynamic_cast<AliVTrack*>(fCurrentEvent->GetTrack(itrack));
1741 if (!track) continue;
1742
00a38d07 1743 for (Int_t idet=0; idet<kNdetectors; ++idet){
1c9d11be 1744 FillTrackDetectorPID(track, (EDetector)idet);
00a38d07 1745 }
00a38d07 1746 }
1747}
1748
1c9d11be 1749//______________________________________________________________________________
5f8db5fe 1750void AliPIDResponse::SetTOFResponse(AliVEvent *vevent,EStartTimeType_t option){
1751 //
1752 // Set TOF response function
1753 // Input option for event_time used
1754 //
c53e310b 1755
5f8db5fe 1756 Float_t t0spread = 0.; //vevent->GetEventTimeSpread();
1757 if(t0spread < 10) t0spread = 80;
1758
c53e310b 1759 // T0-FILL and T0-TO offset (because of TOF misallignment
1760 Float_t starttimeoffset = 0;
1761 if(fTOFPIDParams && !(fIsMC)) starttimeoffset=fTOFPIDParams->GetTOFtimeOffset();
b3f687a1 1762 if(fTOFPIDParams){
1763 fTOFtail = fTOFPIDParams->GetTOFtail();
1764 GetTOFResponse().SetTOFtail(fTOFtail);
1765 }
5f8db5fe 1766
c53e310b 1767 // T0 from TOF algorithm
5f8db5fe 1768 Bool_t flagT0TOF=kFALSE;
1769 Bool_t flagT0T0=kFALSE;
1770 Float_t *startTime = new Float_t[fTOFResponse.GetNmomBins()];
1771 Float_t *startTimeRes = new Float_t[fTOFResponse.GetNmomBins()];
1772 Int_t *startTimeMask = new Int_t[fTOFResponse.GetNmomBins()];
1773
1774 // T0-TOF arrays
1775 Float_t *estimatedT0event = new Float_t[fTOFResponse.GetNmomBins()];
1776 Float_t *estimatedT0resolution = new Float_t[fTOFResponse.GetNmomBins()];
1777 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1778 estimatedT0event[i]=0.0;
1779 estimatedT0resolution[i]=0.0;
1780 startTimeMask[i] = 0;
1781 }
1782
78cbd205 1783 Float_t resT0A=fResT0A;
1784 Float_t resT0C=fResT0C;
1785 Float_t resT0AC=fResT0AC;
5f8db5fe 1786 if(vevent->GetT0TOF()){ // check if T0 detector information is available
1787 flagT0T0=kTRUE;
1788 }
1789
1790
1791 AliTOFHeader *tofHeader = (AliTOFHeader*)vevent->GetTOFHeader();
1792
1793 if (tofHeader) { // read global info and T0-TOF
1794 fTOFResponse.SetTimeResolution(tofHeader->GetTOFResolution());
1795 t0spread = tofHeader->GetT0spread(); // read t0 sprad
1796 if(t0spread < 10) t0spread = 80;
1797
1798 flagT0TOF=kTRUE;
1799 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ // read T0-TOF default value
1800 startTime[i]=tofHeader->GetDefaultEventTimeVal();
1801 startTimeRes[i]=tofHeader->GetDefaultEventTimeRes();
1802 if(startTimeRes[i] < 1.e-5) startTimeRes[i] = t0spread;
c53e310b 1803
1804 if(startTimeRes[i] > t0spread - 10 && TMath::Abs(startTime[i]) < 0.001) startTime[i] = -starttimeoffset; // apply offset for T0-fill
5f8db5fe 1805 }
1806
1807 TArrayI *ibin=(TArrayI*)tofHeader->GetNvalues();
1808 TArrayF *t0Bin=(TArrayF*)tofHeader->GetEventTimeValues();
1809 TArrayF *t0ResBin=(TArrayF*)tofHeader->GetEventTimeRes();
1810 for(Int_t j=0;j < tofHeader->GetNbins();j++){ // fill T0-TOF in p-bins
1811 Int_t icurrent = (Int_t)ibin->GetAt(j);
1812 startTime[icurrent]=t0Bin->GetAt(j);
1813 startTimeRes[icurrent]=t0ResBin->GetAt(j);
1814 if(startTimeRes[icurrent] < 1.e-5) startTimeRes[icurrent] = t0spread;
c53e310b 1815 if(startTimeRes[icurrent] > t0spread - 10 && TMath::Abs(startTime[icurrent]) < 0.001) startTime[icurrent] = -starttimeoffset; // apply offset for T0-fill
5f8db5fe 1816 }
1817 }
1818
1819 // for cut of 3 sigma on t0 spread
1820 Float_t t0cut = 3 * t0spread;
1821 if(t0cut < 500) t0cut = 500;
1822
1823 if(option == kFILL_T0){ // T0-FILL is used
1824 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
c53e310b 1825 estimatedT0event[i]=0.0-starttimeoffset;
5f8db5fe 1826 estimatedT0resolution[i]=t0spread;
1827 }
1828 fTOFResponse.SetT0event(estimatedT0event);
1829 fTOFResponse.SetT0resolution(estimatedT0resolution);
1830 }
1831
1832 if(option == kTOF_T0){ // T0-TOF is used when available (T0-FILL otherwise) from ESD
1833 if(flagT0TOF){
1834 fTOFResponse.SetT0event(startTime);
1835 fTOFResponse.SetT0resolution(startTimeRes);
1836 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1837 if(startTimeRes[i]<t0spread) startTimeMask[i]=1;
1838 fTOFResponse.SetT0binMask(i,startTimeMask[i]);
1839 }
1840 }
1841 else{
1842 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
c53e310b 1843 estimatedT0event[i]=0.0-starttimeoffset;
5f8db5fe 1844 estimatedT0resolution[i]=t0spread;
1845 fTOFResponse.SetT0binMask(i,startTimeMask[i]);
1846 }
1847 fTOFResponse.SetT0event(estimatedT0event);
1848 fTOFResponse.SetT0resolution(estimatedT0resolution);
1849 }
1850 }
1851 else if(option == kBest_T0){ // T0-T0 or T0-TOF are used when available (T0-FILL otherwise) from ESD
1852 Float_t t0AC=-10000;
1853 Float_t t0A=-10000;
1854 Float_t t0C=-10000;
1855 if(flagT0T0){
c53e310b 1856 t0A= vevent->GetT0TOF()[1] - starttimeoffset;
1857 t0C= vevent->GetT0TOF()[2] - starttimeoffset;
f84b18dd 1858 // t0AC= vevent->GetT0TOF()[0];
c53e310b 1859 t0AC= t0A/resT0A/resT0A + t0C/resT0C/resT0C;
1860 resT0AC= TMath::Sqrt(1./resT0A/resT0A + 1./resT0C/resT0C);
1861 t0AC /= resT0AC*resT0AC;
5f8db5fe 1862 }
1863
1864 Float_t t0t0Best = 0;
1865 Float_t t0t0BestRes = 9999;
1866 Int_t t0used=0;
1867 if(TMath::Abs(t0A) < t0cut && TMath::Abs(t0C) < t0cut && TMath::Abs(t0C-t0A) < 500){
1868 t0t0Best = t0AC;
1869 t0t0BestRes = resT0AC;
1870 t0used=6;
1871 }
1872 else if(TMath::Abs(t0C) < t0cut){
1873 t0t0Best = t0C;
1874 t0t0BestRes = resT0C;
1875 t0used=4;
1876 }
1877 else if(TMath::Abs(t0A) < t0cut){
1878 t0t0Best = t0A;
1879 t0t0BestRes = resT0A;
1880 t0used=2;
1881 }
1882
1883 if(flagT0TOF){ // if T0-TOF info is available
1884 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1885 if(t0t0BestRes < 999){
1886 if(startTimeRes[i] < t0spread){
1887 Double_t wtot = 1./startTimeRes[i]/startTimeRes[i] + 1./t0t0BestRes/t0t0BestRes;
1888 Double_t t0best = startTime[i]/startTimeRes[i]/startTimeRes[i] + t0t0Best/t0t0BestRes/t0t0BestRes;
1889 estimatedT0event[i]=t0best / wtot;
1890 estimatedT0resolution[i]=1./TMath::Sqrt(wtot);
1891 startTimeMask[i] = t0used+1;
1892 }
1893 else {
1894 estimatedT0event[i]=t0t0Best;
1895 estimatedT0resolution[i]=t0t0BestRes;
1896 startTimeMask[i] = t0used;
1897 }
1898 }
1899 else{
1900 estimatedT0event[i]=startTime[i];
1901 estimatedT0resolution[i]=startTimeRes[i];
1902 if(startTimeRes[i]<t0spread) startTimeMask[i]=1;
1903 }
1904 fTOFResponse.SetT0binMask(i,startTimeMask[i]);
1905 }
1906 fTOFResponse.SetT0event(estimatedT0event);
1907 fTOFResponse.SetT0resolution(estimatedT0resolution);
1908 }
1909 else{ // if no T0-TOF info is available
1910 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1911 fTOFResponse.SetT0binMask(i,t0used);
1912 if(t0t0BestRes < 999){
1913 estimatedT0event[i]=t0t0Best;
1914 estimatedT0resolution[i]=t0t0BestRes;
1915 }
1916 else{
c53e310b 1917 estimatedT0event[i]=0.0-starttimeoffset;
5f8db5fe 1918 estimatedT0resolution[i]=t0spread;
1919 }
1920 }
1921 fTOFResponse.SetT0event(estimatedT0event);
1922 fTOFResponse.SetT0resolution(estimatedT0resolution);
1923 }
1924 }
1925
1926 else if(option == kT0_T0){ // T0-T0 is used when available (T0-FILL otherwise)
1927 Float_t t0AC=-10000;
1928 Float_t t0A=-10000;
1929 Float_t t0C=-10000;
1930 if(flagT0T0){
c53e310b 1931 t0A= vevent->GetT0TOF()[1] - starttimeoffset;
1932 t0C= vevent->GetT0TOF()[2] - starttimeoffset;
f84b18dd 1933 // t0AC= vevent->GetT0TOF()[0];
c53e310b 1934 t0AC= t0A/resT0A/resT0A + t0C/resT0C/resT0C;
1935 resT0AC= TMath::Sqrt(1./resT0A/resT0A + 1./resT0C/resT0C);
1936 t0AC /= resT0AC*resT0AC;
5f8db5fe 1937 }
1938
1939 if(TMath::Abs(t0A) < t0cut && TMath::Abs(t0C) < t0cut && TMath::Abs(t0C-t0A) < 500){
1940 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1941 estimatedT0event[i]=t0AC;
1942 estimatedT0resolution[i]=resT0AC;
1943 fTOFResponse.SetT0binMask(i,6);
1944 }
1945 }
1946 else if(TMath::Abs(t0C) < t0cut){
1947 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1948 estimatedT0event[i]=t0C;
1949 estimatedT0resolution[i]=resT0C;
1950 fTOFResponse.SetT0binMask(i,4);
1951 }
1952 }
1953 else if(TMath::Abs(t0A) < t0cut){
1954 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1955 estimatedT0event[i]=t0A;
1956 estimatedT0resolution[i]=resT0A;
1957 fTOFResponse.SetT0binMask(i,2);
1958 }
1959 }
1960 else{
1961 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
c53e310b 1962 estimatedT0event[i]= 0.0 - starttimeoffset;
5f8db5fe 1963 estimatedT0resolution[i]=t0spread;
1964 fTOFResponse.SetT0binMask(i,0);
1965 }
1966 }
1967 fTOFResponse.SetT0event(estimatedT0event);
1968 fTOFResponse.SetT0resolution(estimatedT0resolution);
1969 }
c53e310b 1970
5f8db5fe 1971 delete [] startTime;
1972 delete [] startTimeRes;
1973 delete [] startTimeMask;
1974 delete [] estimatedT0event;
1975 delete [] estimatedT0resolution;
1976}
1c9d11be 1977
1978//______________________________________________________________________________
1979// private non cached versions of the PID calculation
1980//
1981
1982
1983//______________________________________________________________________________
355b831b 1984Float_t AliPIDResponse::GetNumberOfSigmas(EDetector detector, const AliVParticle *vtrack, AliPID::EParticleType type) const
1c9d11be 1985{
1986 //
1987 // NumberOfSigmas for 'detCode'
1988 //
355b831b 1989
1990 const AliVTrack *track=static_cast<const AliVTrack*>(vtrack);
1c9d11be 1991
355b831b 1992 switch (detector){
567624b5 1993 case kITS: return GetNumberOfSigmasITS(track, type); break;
1994 case kTPC: return GetNumberOfSigmasTPC(track, type); break;
1995 case kTOF: return GetNumberOfSigmasTOF(track, type); break;
1996 case kHMPID: return GetNumberOfSigmasHMPID(track, type); break;
1c9d11be 1997 case kEMCAL: return GetNumberOfSigmasEMCAL(track, type); break;
1998 default: return -999.;
1999 }
1c9d11be 2000
355b831b 2001 return -999.;
2002}
1c9d11be 2003
2004//______________________________________________________________________________
2005Float_t AliPIDResponse::GetNumberOfSigmasITS(const AliVParticle *vtrack, AliPID::EParticleType type) const
2006{
2007 //
2008 // Calculate the number of sigmas in the ITS
2009 //
2010
2011 AliVTrack *track=(AliVTrack*)vtrack;
355b831b 2012
2013 const EDetPidStatus pidStatus=GetITSPIDStatus(track);
2014 if (pidStatus!=kDetPidOk) return -999.;
355b831b 2015
567624b5 2016 return fITSResponse.GetNumberOfSigmas(track,type);
1c9d11be 2017}
2018
2019//______________________________________________________________________________
2020Float_t AliPIDResponse::GetNumberOfSigmasTPC(const AliVParticle *vtrack, AliPID::EParticleType type) const
2021{
2022 //
2023 // Calculate the number of sigmas in the TPC
2024 //
2025
2026 AliVTrack *track=(AliVTrack*)vtrack;
355b831b 2027
2028 const EDetPidStatus pidStatus=GetTPCPIDStatus(track);
2029 if (pidStatus!=kDetPidOk) return -999.;
1d59271b 2030
2031 // the following call is needed in order to fill the transient data member
2032 // fTPCsignalTuned which is used in the TPCPIDResponse to judge
2033 // if using tuned on data
87da0205 2034 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))
2035 this->GetTPCsignalTunedOnData(track);
1c9d11be 2036
87da0205 2037 return fTPCResponse.GetNumberOfSigmas(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
1c9d11be 2038}
2039
2040//______________________________________________________________________________
355b831b 2041Float_t AliPIDResponse::GetNumberOfSigmasTOF(const AliVParticle *vtrack, AliPID::EParticleType type) const
1c9d11be 2042{
2043 //
355b831b 2044 // Calculate the number of sigmas in the TOF
1c9d11be 2045 //
2046
2047 AliVTrack *track=(AliVTrack*)vtrack;
355b831b 2048
2049 const EDetPidStatus pidStatus=GetTOFPIDStatus(track);
2050 if (pidStatus!=kDetPidOk) return -999.;
1c9d11be 2051
355b831b 2052 return GetNumberOfSigmasTOFold(vtrack, type);
2053}
567624b5 2054//______________________________________________________________________________
2055
2056Float_t AliPIDResponse::GetNumberOfSigmasHMPID(const AliVParticle *vtrack, AliPID::EParticleType type) const
2057{
2058 //
2059 // Calculate the number of sigmas in the HMPID
2060 //
2061 AliVTrack *track=(AliVTrack*)vtrack;
2062
2063 const EDetPidStatus pidStatus=GetHMPIDPIDStatus(track);
2064 if (pidStatus!=kDetPidOk) return -999.;
2065
2066 return fHMPIDResponse.GetNumberOfSigmas(track, type);
2067}
355b831b 2068
2069//______________________________________________________________________________
2070Float_t AliPIDResponse::GetNumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type) const
2071{
2072 //
2073 // Calculate the number of sigmas in the EMCAL
2074 //
1c9d11be 2075
355b831b 2076 AliVTrack *track=(AliVTrack*)vtrack;
2077
2078 const EDetPidStatus pidStatus=GetEMCALPIDStatus(track);
2079 if (pidStatus!=kDetPidOk) return -999.;
2080
2081 const Int_t nMatchClus = track->GetEMCALcluster();
2082 AliVCluster *matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
1c9d11be 2083
355b831b 2084 const Double_t mom = track->P();
2085 const Double_t pt = track->Pt();
2086 const Int_t charge = track->Charge();
2087 const Double_t fClsE = matchedClus->E();
2088 const Double_t EovP = fClsE/mom;
1c9d11be 2089
355b831b 2090 return fEMCALResponse.GetNumberOfSigmas(pt,EovP,type,charge);
1c9d11be 2091}
2092
567624b5 2093//______________________________________________________________________________
1d59271b 2094AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaITS(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
567624b5 2095{
2096 //
2097 // Signal minus expected Signal for ITS
2098 //
2099 AliVTrack *track=(AliVTrack*)vtrack;
1d59271b 2100 val=fITSResponse.GetSignalDelta(track,type,ratio);
567624b5 2101
2102 return GetITSPIDStatus(track);
2103}
2104
2105//______________________________________________________________________________
1d59271b 2106AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaTPC(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
567624b5 2107{
2108 //
2109 // Signal minus expected Signal for TPC
2110 //
2111 AliVTrack *track=(AliVTrack*)vtrack;
1d59271b 2112
2113 // the following call is needed in order to fill the transient data member
2114 // fTPCsignalTuned which is used in the TPCPIDResponse to judge
2115 // if using tuned on data
87da0205 2116 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))
1d59271b 2117 this->GetTPCsignalTunedOnData(track);
2118
87da0205 2119 val=fTPCResponse.GetSignalDelta(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection, ratio);
567624b5 2120
2121 return GetTPCPIDStatus(track);
2122}
2123
2124//______________________________________________________________________________
1d59271b 2125AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaTOF(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
567624b5 2126{
2127 //
2128 // Signal minus expected Signal for TOF
2129 //
2130 AliVTrack *track=(AliVTrack*)vtrack;
1d59271b 2131 val=GetSignalDeltaTOFold(track, type, ratio);
87da0205 2132
567624b5 2133 return GetTOFPIDStatus(track);
2134}
2135
2136//______________________________________________________________________________
1d59271b 2137AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaHMPID(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
567624b5 2138{
2139 //
2140 // Signal minus expected Signal for HMPID
2141 //
2142 AliVTrack *track=(AliVTrack*)vtrack;
1d59271b 2143 val=fHMPIDResponse.GetSignalDelta(track, type, ratio);
567624b5 2144
2145 return GetHMPIDPIDStatus(track);
2146}
1c9d11be 2147
2148//______________________________________________________________________________
2149AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputePIDProbability (EDetector detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2150{
2151 //
2152 // Compute PID response of 'detCode'
2153 //
2154
2155 switch (detCode){
2156 case kITS: return GetComputeITSProbability(track, nSpecies, p); break;
2157 case kTPC: return GetComputeTPCProbability(track, nSpecies, p); break;
2158 case kTRD: return GetComputeTRDProbability(track, nSpecies, p); break;
2159 case kTOF: return GetComputeTOFProbability(track, nSpecies, p); break;
2160 case kPHOS: return GetComputePHOSProbability(track, nSpecies, p); break;
2161 case kEMCAL: return GetComputeEMCALProbability(track, nSpecies, p); break;
2162 case kHMPID: return GetComputeHMPIDProbability(track, nSpecies, p); break;
2163 default: return kDetNoSignal;
2164 }
2165}
2166
2167//______________________________________________________________________________
2168AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2169{
2170 //
2171 // Compute PID response for the ITS
2172 //
2173
1c9d11be 2174 // set flat distribution (no decision)
2175 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2176
355b831b 2177 const EDetPidStatus pidStatus=GetITSPIDStatus(track);
2178 if (pidStatus!=kDetPidOk) return pidStatus;
2179
2180 if (track->GetDetectorPID()){
2181 return track->GetDetectorPID()->GetRawProbability(kITS, p, nSpecies);
2182 }
1c9d11be 2183
2184 //check for ITS standalone tracks
2185 Bool_t isSA=kTRUE;
2186 if( track->GetStatus() & AliVTrack::kTPCin ) isSA=kFALSE;
2187
2188 Double_t mom=track->P();
2189 Double_t dedx=track->GetITSsignal();
2190 Double_t momITS=mom;
2191 UChar_t clumap=track->GetITSClusterMap();
2192 Int_t nPointsForPid=0;
2193 for(Int_t i=2; i<6; i++){
2194 if(clumap&(1<<i)) ++nPointsForPid;
2195 }
2196
1c9d11be 2197 Bool_t mismatch=kTRUE/*, heavy=kTRUE*/;
bf26ce58 2198 for (Int_t j=0; j<nSpecies; j++) {
1c9d11be 2199 Double_t mass=AliPID::ParticleMassZ(j);//GeV/c^2
2200 const Double_t chargeFactor = TMath::Power(AliPID::ParticleCharge(j),2.);
2201 Double_t bethe=fITSResponse.Bethe(momITS,mass)*chargeFactor;
2202 //TODO: in case of the electron, use the SA parametrisation,
2203 // this needs to be changed if ITS provides a parametrisation
2204 // for electrons also for ITS+TPC tracks
2205 Double_t sigma=fITSResponse.GetResolution(bethe,nPointsForPid,isSA || (j==(Int_t)AliPID::kElectron));
2206 if (TMath::Abs(dedx-bethe) > fRange*sigma) {
2207 p[j]=TMath::Exp(-0.5*fRange*fRange)/sigma;
2208 } else {
2209 p[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma;
2210 mismatch=kFALSE;
2211 }
1c9d11be 2212 }
2213
2214 if (mismatch){
bf26ce58 2215 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
1c9d11be 2216 }
2217
1c9d11be 2218 return kDetPidOk;
2219}
2220//______________________________________________________________________________
2221AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2222{
2223 //
2224 // Compute PID response for the TPC
2225 //
2226
2227 // set flat distribution (no decision)
2228 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2229
355b831b 2230 const EDetPidStatus pidStatus=GetTPCPIDStatus(track);
2231 if (pidStatus!=kDetPidOk) return pidStatus;
1c9d11be 2232
1c9d11be 2233 Double_t dedx=track->GetTPCsignal();
2234 Bool_t mismatch=kTRUE/*, heavy=kTRUE*/;
2235
87da0205 2236 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) dedx = this->GetTPCsignalTunedOnData(track);
1c9d11be 2237
f84b18dd 2238 Double_t bethe = 0.;
2239 Double_t sigma = 0.;
2240
bf26ce58 2241 for (Int_t j=0; j<nSpecies; j++) {
1c9d11be 2242 AliPID::EParticleType type=AliPID::EParticleType(j);
f84b18dd 2243
87da0205 2244 bethe=fTPCResponse.GetExpectedSignal(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
2245 sigma=fTPCResponse.GetExpectedSigma(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
f85a3764 2246
1c9d11be 2247 if (TMath::Abs(dedx-bethe) > fRange*sigma) {
2248 p[j]=TMath::Exp(-0.5*fRange*fRange)/sigma;
2249 } else {
2250 p[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma;
2251 mismatch=kFALSE;
2252 }
2253 }
2254
2255 if (mismatch){
2256 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
1c9d11be 2257 }
2258
2259 return kDetPidOk;
2260}
2261//______________________________________________________________________________
2262AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2263{
2264 //
57e985ed 2265 // Compute PID probabilities for TOF
1c9d11be 2266 //
4fc0f532 2267
2268 Double_t mismprob = 1E-8;
2269 //fTOFResponse.GetMismatchProbability(track->GetTOFsignal(),track->Eta()) * 0.01; // for future implementation of mismatch (i.e. 1% mismatch that should be extended for PbPb, pPb)
2270
1c9d11be 2271 // set flat distribution (no decision)
2272 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2273
355b831b 2274 const EDetPidStatus pidStatus=GetTOFPIDStatus(track);
2275 if (pidStatus!=kDetPidOk) return pidStatus;
2276
c5fb644a 2277 const Double_t meanCorrFactor = 0.07/fTOFtail; // Correction factor on the mean because of the tail (should be ~ 0.1 with tail = 1.1)
1c9d11be 2278
bf26ce58 2279 for (Int_t j=0; j<nSpecies; j++) {
1c9d11be 2280 AliPID::EParticleType type=AliPID::EParticleType(j);
355b831b 2281 const Double_t nsigmas=GetNumberOfSigmasTOFold(track,type) + meanCorrFactor;
1c9d11be 2282
355b831b 2283 const Double_t expTime = fTOFResponse.GetExpectedSignal(track,type);
2284 const Double_t sig = fTOFResponse.GetExpectedSigma(track->P(),expTime,AliPID::ParticleMassZ(type));
4fc0f532 2285
2286 if(nsigmas < fTOFtail)
2287 p[j] = TMath::Exp(-0.5*nsigmas*nsigmas)/sig;
2288 else
2289 p[j] = TMath::Exp(-(nsigmas - fTOFtail*0.5)*fTOFtail)/sig;
2290
2291 p[j] += mismprob;
1c9d11be 2292 }
2293
1c9d11be 2294 return kDetPidOk;
2295}
2296//______________________________________________________________________________
2297AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod/*=AliTRDPIDResponse::kLQ1D*/) const
2298{
2299 //
355b831b 2300 // Compute PID probabilities for the TRD
1c9d11be 2301 //
2302
1c9d11be 2303 // set flat distribution (no decision)
2304 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
355b831b 2305
2306 const EDetPidStatus pidStatus=GetTRDPIDStatus(track);
2307 if (pidStatus!=kDetPidOk) return pidStatus;
2308
2309 UInt_t TRDslicesForPID[2];
2310 SetTRDSlices(TRDslicesForPID,PIDmethod);
1c9d11be 2311
2312 Float_t mom[6]={0.};
2313 Double_t dedx[48]={0.}; // Allocate space for the maximum number of TRD slices
2314 Int_t nslices = TRDslicesForPID[1] - TRDslicesForPID[0] + 1;
2315 AliDebug(1, Form("First Slice: %d, Last Slice: %d, Number of slices: %d", TRDslicesForPID[0], TRDslicesForPID[1], nslices));
2316 for(UInt_t ilayer = 0; ilayer < 6; ilayer++){
2317 mom[ilayer] = track->GetTRDmomentum(ilayer);
2318 for(UInt_t islice = TRDslicesForPID[0]; islice <= TRDslicesForPID[1]; islice++){
2319 dedx[ilayer*nslices+islice-TRDslicesForPID[0]] = track->GetTRDslice(ilayer, islice);
2320 }
2321 }
355b831b 2322
1c9d11be 2323 fTRDResponse.GetResponse(nslices, dedx, mom, p,PIDmethod);
2324 return kDetPidOk;
1c9d11be 2325}
355b831b 2326
1c9d11be 2327//______________________________________________________________________________
2328AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeEMCALProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2329{
2330 //
2331 // Compute PID response for the EMCAL
2332 //
2333
2334 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
355b831b 2335
2336 const EDetPidStatus pidStatus=GetEMCALPIDStatus(track);
2337 if (pidStatus!=kDetPidOk) return pidStatus;
2338
2339 const Int_t nMatchClus = track->GetEMCALcluster();
2340 AliVCluster *matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
1c9d11be 2341
355b831b 2342 const Double_t mom = track->P();
2343 const Double_t pt = track->Pt();
2344 const Int_t charge = track->Charge();
2345 const Double_t fClsE = matchedClus->E();
2346 const Double_t EovP = fClsE/mom;
1c9d11be 2347
355b831b 2348 // compute the probabilities
2349 fEMCALResponse.ComputeEMCALProbability(nSpecies,pt,EovP,charge,p);
2350 return kDetPidOk;
1c9d11be 2351}
355b831b 2352
1c9d11be 2353//______________________________________________________________________________
2354AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputePHOSProbability (const AliVTrack */*track*/, Int_t nSpecies, Double_t p[]) const
2355{
2356 //
2357 // Compute PID response for the PHOS
2358 //
2359
2360 // set flat distribution (no decision)
2361 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2362 return kDetNoSignal;
2363}
355b831b 2364
1c9d11be 2365//______________________________________________________________________________
2366AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2367{
2368 //
2369 // Compute PID response for the HMPID
2370 //
355b831b 2371
1c9d11be 2372 // set flat distribution (no decision)
2373 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
355b831b 2374
2375 const EDetPidStatus pidStatus=GetHMPIDPIDStatus(track);
2376 if (pidStatus!=kDetPidOk) return pidStatus;
1c9d11be 2377
567624b5 2378 fHMPIDResponse.GetProbability(track,nSpecies,p);
2379
1c9d11be 2380 return kDetPidOk;
2381}
355b831b 2382
2383//______________________________________________________________________________
2384AliPIDResponse::EDetPidStatus AliPIDResponse::GetITSPIDStatus(const AliVTrack *track) const
2385{
2386 // compute ITS pid status
2387
2388 // check status bits
2389 if ((track->GetStatus()&AliVTrack::kITSin)==0 &&
2390 (track->GetStatus()&AliVTrack::kITSout)==0) return kDetNoSignal;
2391
2392 const Float_t dEdx=track->GetITSsignal();
2393 if (dEdx<=0) return kDetNoSignal;
2394
2395 // requite at least 3 pid clusters
2396 const UChar_t clumap=track->GetITSClusterMap();
2397 Int_t nPointsForPid=0;
2398 for(Int_t i=2; i<6; i++){
2399 if(clumap&(1<<i)) ++nPointsForPid;
2400 }
2401
2402 if(nPointsForPid<3) {
2403 return kDetNoSignal;
2404 }
2405
2406 return kDetPidOk;
2407}
2408
2409//______________________________________________________________________________
2410AliPIDResponse::EDetPidStatus AliPIDResponse:: GetTPCPIDStatus(const AliVTrack *track) const
2411{
2412 // compute TPC pid status
2413
2414 // check quality of the track
2415 if ( (track->GetStatus()&AliVTrack::kTPCin )==0 && (track->GetStatus()&AliVTrack::kTPCout)==0 ) return kDetNoSignal;
2416
2417 // check pid values
2418 const Double_t dedx=track->GetTPCsignal();
2419 const UShort_t signalN=track->GetTPCsignalN();
2420 if (signalN<10 || dedx<10) return kDetNoSignal;
2421
2422 if (!(fArrPidResponseMaster && fArrPidResponseMaster->At(AliPID::kPion))) return kDetNoParams;
2423
2424 return kDetPidOk;
2425}
2426
2427//______________________________________________________________________________
2428AliPIDResponse::EDetPidStatus AliPIDResponse::GetTRDPIDStatus(const AliVTrack *track) const
2429{
2430 // compute TRD pid status
2431
2432 if((track->GetStatus()&AliVTrack::kTRDout)==0) return kDetNoSignal;
2433 return kDetPidOk;
2434}
2435
2436//______________________________________________________________________________
2437AliPIDResponse::EDetPidStatus AliPIDResponse::GetTOFPIDStatus(const AliVTrack *track) const
2438{
2439 // compute TOF pid status
2440
2441 if ((track->GetStatus()&AliVTrack::kTOFout)==0) return kDetNoSignal;
2442 if ((track->GetStatus()&AliVTrack::kTIME)==0) return kDetNoSignal;
2443
2444 return kDetPidOk;
2445}
2446
2447//______________________________________________________________________________
2448Float_t AliPIDResponse::GetTOFMismatchProbability(const AliVTrack *track) const
2449{
2450 // compute mismatch probability cross-checking at 5 sigmas with TPC
2451 // currently just implemented as a 5 sigma compatibility cut
2452
2453 // check pid status
2454 const EDetPidStatus tofStatus=GetTOFPIDStatus(track);
2455 if (tofStatus!=kDetPidOk) return 0.;
2456
2457 //mismatch
2458 const EDetPidStatus tpcStatus=GetTPCPIDStatus(track);
2459 if (tpcStatus!=kDetPidOk) return 0.;
2460
2461 const Double_t meanCorrFactor = 0.11/fTOFtail; // Correction factor on the mean because of the tail (should be ~ 0.1 with tail = 1.1)
2462 Bool_t mismatch = kTRUE/*, heavy = kTRUE*/;
2463 for (Int_t j=0; j<AliPID::kSPECIESC; j++) {
2464 AliPID::EParticleType type=AliPID::EParticleType(j);
2465 const Double_t nsigmas=GetNumberOfSigmasTOFold(track,type) + meanCorrFactor;
2466
2467 if (TMath::Abs(nsigmas)<5.){
2468 const Double_t nsigmasTPC=GetNumberOfSigmasTPC(track,type);
2469 if (TMath::Abs(nsigmasTPC)<5.) mismatch=kFALSE;
2470 }
2471 }
2472
2473 if (mismatch){
2474 return 1.;
2475 }
2476
2477 return 0.;
2478}
2479
355b831b 2480//______________________________________________________________________________
2481AliPIDResponse::EDetPidStatus AliPIDResponse:: GetHMPIDPIDStatus(const AliVTrack *track) const
2482{
2483 // compute HMPID pid status
567624b5 2484
2485 Int_t ch = track->GetHMPIDcluIdx()/1000000;
2486 Double_t HMPIDsignal = track->GetHMPIDsignal();
2487
2488 if((track->GetStatus()&AliVTrack::kHMPIDpid)==0 || ch<0 || ch>6 || HMPIDsignal<0) return kDetNoSignal;
2489
355b831b 2490 return kDetPidOk;
2491}
2492
2493//______________________________________________________________________________
2494AliPIDResponse::EDetPidStatus AliPIDResponse:: GetPHOSPIDStatus(const AliVTrack */*track*/) const
2495{
2496 // compute PHOS pid status
2497 return kDetNoSignal;
2498}
2499
2500//______________________________________________________________________________
2501AliPIDResponse::EDetPidStatus AliPIDResponse:: GetEMCALPIDStatus(const AliVTrack *track) const
2502{
2503 // compute EMCAL pid status
2504
2505
2506 // Track matching
2507 const Int_t nMatchClus = track->GetEMCALcluster();
2508 if (nMatchClus<0) return kDetNoSignal;
2509
2510 AliVCluster *matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
2511
2512 if (!(matchedClus && matchedClus->IsEMCAL())) return kDetNoSignal;
2513
2514 const Int_t charge = track->Charge();
2515 if (TMath::Abs(charge)!=1) return kDetNoSignal;
2516
2517 if (!(fEMCALPIDParams && fEMCALPIDParams->At(AliPID::kElectron))) return kDetNoParams;
2518
2519 return kDetPidOk;
2520
2521}
2522
2523//______________________________________________________________________________
2524AliPIDResponse::EDetPidStatus AliPIDResponse::GetPIDStatus(EDetector detector, const AliVTrack *track) const
2525{
2526 //
2527 // check pid status for a track
2528 //
2529
2530 switch (detector){
2531 case kITS: return GetITSPIDStatus(track); break;
2532 case kTPC: return GetTPCPIDStatus(track); break;
2533 case kTRD: return GetTRDPIDStatus(track); break;
2534 case kTOF: return GetTOFPIDStatus(track); break;
2535 case kPHOS: return GetPHOSPIDStatus(track); break;
2536 case kEMCAL: return GetEMCALPIDStatus(track); break;
2537 case kHMPID: return GetHMPIDPIDStatus(track); break;
2538 default: return kDetNoSignal;
2539 }
2540 return kDetNoSignal;
2541
2542}
5a9dc560 2543
2544//______________________________________________________________________________
2545TString AliPIDResponse::GetChecksum(const TObject* obj) const
2546{
2547 // Return the checksum for an object obj (tested to work properly at least for histograms and TSplines).
2548
2549 TString fileName = Form("tempChecksum.C"); // File name must be fixed for data type "TSpline3", since the file name will end up in the file content!
2550
2551 // For parallel processing, a unique file pathname is required. Uniqueness can be guaranteed by using a unique directory name
2552 UInt_t index = 0;
2553 TString uniquePathName = Form("tempChecksum_%u", index);
2554
2555 // To get a unique path name, increase the index until no directory
2556 // of such a name exists.
2557 // NOTE: gSystem->AccessPathName(...) returns kTRUE, if the access FAILED!
2558 while (!gSystem->AccessPathName(uniquePathName.Data()))
2559 uniquePathName = Form("tempChecksum_%u", ++index);
2560
2561 if (gSystem->mkdir(uniquePathName.Data()) < 0) {
2562 AliError("Could not create temporary directory to store temp file for checksum determination!");
2563 return "ERROR";
2564 }
2565
2566 TString option = "";
2567
2568 // Save object as a macro, which will be deleted immediately after the checksum has been computed
2569 // (does not work for desired data types if saved as *.root for some reason) - one only wants to compare the content, not
2570 // the modification time etc. ...
2571 if (dynamic_cast<const TH1*>(obj))
2572 option = "colz"; // Histos need this option, since w/o this option, a counter is added to the filename
2573
2574
2575 // SaveAs must be called with the fixed fileName only, since the first argument goes into the file content
2576 // for some object types. Thus, change the directory, save the file and then go back
2577 TString oldDir = gSystem->pwd();
2578 gSystem->cd(uniquePathName.Data());
2579 obj->SaveAs(fileName.Data(), option.Data());
2580 gSystem->cd(oldDir.Data());
2581
2582 // Use the file to calculate the MD5 checksum
2583 TMD5* md5 = TMD5::FileChecksum(Form("%s/%s", uniquePathName.Data(), fileName.Data()));
2584 TString checksum = md5->AsString();
2585
2586 // Clean up
2587 delete md5;
2588 gSystem->Exec(Form("rm -rf %s", uniquePathName.Data()));
2589
2590 return checksum;
2591}