1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
16 /* $Id: AliPIDResponse.cxx 46193 2010-12-21 09:00:14Z wiechula $ */
18 //-----------------------------------------------------------------
19 // Base class for handling the pid response //
20 // functions of all detectors //
21 // and give access to the nsigmas //
23 // Origin: Jens Wiechula, Uni Tuebingen, jens.wiechula@cern.ch //
24 //-----------------------------------------------------------------
27 #include <TObjArray.h>
35 #include <TLinearFitter.h>
39 #include <AliVEvent.h>
40 #include <AliVTrack.h>
43 #include <AliOADBContainer.h>
44 #include <AliTRDPIDResponseObject.h>
45 #include <AliTRDdEdxParams.h>
46 #include <AliTOFPIDParams.h>
47 #include <AliHMPIDPIDParams.h>
49 #include "AliPIDResponse.h"
50 #include "AliDetectorPID.h"
52 #include "AliCentrality.h"
54 ClassImp(AliPIDResponse);
56 Float_t AliPIDResponse::fgTOFmismatchProb = 0.0;
58 AliPIDResponse::AliPIDResponse(Bool_t isMC/*=kFALSE*/) :
59 TNamed("PIDResponse","PIDResponse"),
67 fITSPIDmethod(kITSTruncMean),
68 fTuneMConData(kFALSE),
69 fTuneMConDataMask(kDetTOF|kDetTPC),
73 fCustomTPCpidResponse(),
79 fCurrentAliRootRev(-1),
87 fArrPidResponseMaster(NULL),
88 fResolutionCorrection(NULL),
89 fOADBvoltageMaps(NULL),
90 fUseTPCEtaCorrection(kFALSE),
91 fUseTPCMultiplicityCorrection(kFALSE),
92 fTRDPIDResponseObject(NULL),
96 fHMPIDPIDParams(NULL),
97 fEMCALPIDParams(NULL),
105 AliLog::SetClassDebugLevel("AliPIDResponse",0);
106 AliLog::SetClassDebugLevel("AliESDpid",0);
107 AliLog::SetClassDebugLevel("AliAODpidUtil",0);
111 //______________________________________________________________________________
112 AliPIDResponse::~AliPIDResponse()
117 delete fArrPidResponseMaster;
118 delete fTRDPIDResponseObject;
119 delete fTRDdEdxParams;
120 delete fTOFPIDParams;
123 //______________________________________________________________________________
124 AliPIDResponse::AliPIDResponse(const AliPIDResponse &other) :
126 fITSResponse(other.fITSResponse),
127 fTPCResponse(other.fTPCResponse),
128 fTRDResponse(other.fTRDResponse),
129 fTOFResponse(other.fTOFResponse),
130 fHMPIDResponse(other.fHMPIDResponse),
131 fEMCALResponse(other.fEMCALResponse),
132 fRange(other.fRange),
133 fITSPIDmethod(other.fITSPIDmethod),
134 fTuneMConData(other.fTuneMConData),
135 fTuneMConDataMask(other.fTuneMConDataMask),
137 fCachePID(other.fCachePID),
138 fOADBPath(other.fOADBPath),
139 fCustomTPCpidResponse(other.fCustomTPCpidResponse),
143 fMCperiodUser(other.fMCperiodUser),
145 fCurrentAliRootRev(other.fCurrentAliRootRev),
147 fRecoPassUser(other.fRecoPassUser),
153 fArrPidResponseMaster(NULL),
154 fResolutionCorrection(NULL),
155 fOADBvoltageMaps(NULL),
156 fUseTPCEtaCorrection(other.fUseTPCEtaCorrection),
157 fUseTPCMultiplicityCorrection(other.fUseTPCMultiplicityCorrection),
158 fTRDPIDResponseObject(NULL),
159 fTRDdEdxParams(NULL),
162 fHMPIDPIDParams(NULL),
163 fEMCALPIDParams(NULL),
165 fCurrCentrality(0.0),
173 //______________________________________________________________________________
174 AliPIDResponse& AliPIDResponse::operator=(const AliPIDResponse &other)
180 delete fArrPidResponseMaster;
181 TNamed::operator=(other);
182 fITSResponse=other.fITSResponse;
183 fTPCResponse=other.fTPCResponse;
184 fTRDResponse=other.fTRDResponse;
185 fTOFResponse=other.fTOFResponse;
186 fHMPIDResponse=other.fHMPIDResponse;
187 fEMCALResponse=other.fEMCALResponse;
189 fITSPIDmethod=other.fITSPIDmethod;
190 fOADBPath=other.fOADBPath;
191 fCustomTPCpidResponse=other.fCustomTPCpidResponse;
192 fTuneMConData=other.fTuneMConData;
193 fTuneMConDataMask=other.fTuneMConDataMask;
195 fCachePID=other.fCachePID;
200 fMCperiodUser=other.fMCperiodUser;
202 fCurrentAliRootRev=other.fCurrentAliRootRev;
204 fRecoPassUser=other.fRecoPassUser;
210 fArrPidResponseMaster=NULL;
211 fResolutionCorrection=NULL;
212 fOADBvoltageMaps=NULL;
213 fUseTPCEtaCorrection=other.fUseTPCEtaCorrection;
214 fUseTPCMultiplicityCorrection=other.fUseTPCMultiplicityCorrection;
215 fTRDPIDResponseObject=NULL;
217 fEMCALPIDParams=NULL;
220 fHMPIDPIDParams=NULL;
221 fCurrentEvent=other.fCurrentEvent;
227 //______________________________________________________________________________
228 Float_t AliPIDResponse::NumberOfSigmas(EDetector detector, const AliVParticle *vtrack, AliPID::EParticleType type) const
231 // NumberOfSigmas for 'detCode'
234 const AliVTrack *track=static_cast<const AliVTrack*>(vtrack);
235 // look for cached value first
236 const AliDetectorPID *detPID=track->GetDetectorPID();
238 if ( detPID && detPID->HasNumberOfSigmas(detector)){
239 return detPID->GetNumberOfSigmas(detector, type);
240 } else if (fCachePID) {
241 FillTrackDetectorPID(track, detector);
242 detPID=track->GetDetectorPID();
243 return detPID->GetNumberOfSigmas(detector, type);
246 return GetNumberOfSigmas(detector, track, type);
249 //______________________________________________________________________________
250 AliPIDResponse::EDetPidStatus AliPIDResponse::NumberOfSigmas(EDetector detCode, const AliVParticle *track,
251 AliPID::EParticleType type, Double_t &val) const
254 // NumberOfSigmas with detector status as return value
257 val=NumberOfSigmas(detCode, track, type);
258 return CheckPIDStatus(detCode, (AliVTrack*)track);
261 //______________________________________________________________________________
262 // public buffered versions of the PID calculation
265 //______________________________________________________________________________
266 Float_t AliPIDResponse::NumberOfSigmasITS(const AliVParticle *vtrack, AliPID::EParticleType type) const
269 // Calculate the number of sigmas in the ITS
272 return NumberOfSigmas(kITS, vtrack, type);
275 //______________________________________________________________________________
276 Float_t AliPIDResponse::NumberOfSigmasTPC(const AliVParticle *vtrack, AliPID::EParticleType type) const
279 // Calculate the number of sigmas in the TPC
282 return NumberOfSigmas(kTPC, vtrack, type);
285 //______________________________________________________________________________
286 Float_t AliPIDResponse::NumberOfSigmasTPC( const AliVParticle *vtrack,
287 AliPID::EParticleType type,
288 AliTPCPIDResponse::ETPCdEdxSource dedxSource) const
290 //get number of sigmas according the selected TPC gain configuration scenario
291 const AliVTrack *track=static_cast<const AliVTrack*>(vtrack);
293 Float_t nSigma=fTPCResponse.GetNumberOfSigmas(track, type, dedxSource, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
298 //______________________________________________________________________________
299 Float_t AliPIDResponse::NumberOfSigmasTRD(const AliVParticle *vtrack, AliPID::EParticleType type) const
302 // Calculate the number of sigmas in the TRD
304 return NumberOfSigmas(kTRD, vtrack, type);
307 //______________________________________________________________________________
308 Float_t AliPIDResponse::NumberOfSigmasTOF(const AliVParticle *vtrack, AliPID::EParticleType type) const
311 // Calculate the number of sigmas in the TOF
314 return NumberOfSigmas(kTOF, vtrack, type);
317 //______________________________________________________________________________
318 Float_t AliPIDResponse::NumberOfSigmasHMPID(const AliVParticle *vtrack, AliPID::EParticleType type) const
321 // Calculate the number of sigmas in the EMCAL
324 return NumberOfSigmas(kHMPID, vtrack, type);
327 //______________________________________________________________________________
328 Float_t AliPIDResponse::NumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type) const
331 // Calculate the number of sigmas in the EMCAL
334 return NumberOfSigmas(kEMCAL, vtrack, type);
337 //______________________________________________________________________________
338 Float_t AliPIDResponse::NumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &eop, Double_t showershape[4]) const
341 // emcal nsigma with eop and showershape
343 AliVTrack *track=(AliVTrack*)vtrack;
345 AliVCluster *matchedClus = NULL;
350 Double_t fClsE = -1.;
352 // initialize eop and shower shape parameters
354 for(Int_t i = 0; i < 4; i++){
355 showershape[i] = -1.;
358 Int_t nMatchClus = -1;
362 nMatchClus = track->GetEMCALcluster();
367 charge = track->Charge();
369 matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
373 // matched cluster is EMCAL
374 if(matchedClus->IsEMCAL()){
376 fClsE = matchedClus->E();
379 // fill used EMCAL variables here
381 showershape[0] = matchedClus->GetNCells(); // number of cells in cluster
382 showershape[1] = matchedClus->GetM02(); // long axis
383 showershape[2] = matchedClus->GetM20(); // short axis
384 showershape[3] = matchedClus->GetDispersion(); // dispersion
386 // look for cached value first
387 const AliDetectorPID *detPID=track->GetDetectorPID();
388 const EDetector detector=kEMCAL;
390 if ( detPID && detPID->HasNumberOfSigmas(detector)){
391 return detPID->GetNumberOfSigmas(detector, type);
392 } else if (fCachePID) {
393 FillTrackDetectorPID(track, detector);
394 detPID=track->GetDetectorPID();
395 return detPID->GetNumberOfSigmas(detector, type);
398 // NSigma value really meaningful only for electrons!
399 return fEMCALResponse.GetNumberOfSigmas(pt,EovP,type,charge);
406 //______________________________________________________________________________
407 AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDelta(EDetector detector, const AliVParticle *track, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
414 case kITS: return GetSignalDeltaITS(track,type,val,ratio); break;
415 case kTPC: return GetSignalDeltaTPC(track,type,val,ratio); break;
416 case kTRD: return GetSignalDeltaTRD(track,type,val,ratio); break;
417 case kTOF: return GetSignalDeltaTOF(track,type,val,ratio); break;
418 case kHMPID: return GetSignalDeltaHMPID(track,type,val,ratio); break;
419 default: return kDetNoSignal;
424 //______________________________________________________________________________
425 Double_t AliPIDResponse::GetSignalDelta(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type, Bool_t ratio/*=kFALSE*/) const
431 EDetPidStatus stat=GetSignalDelta(detCode, track, type, val, ratio);
432 if ( stat==kDetNoSignal ) val=-9999.;
436 //______________________________________________________________________________
437 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePIDProbability (EDetCode detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
439 // Compute PID response of 'detCode'
441 // find detector code from detector bit mask
443 for (Int_t idet=0; idet<kNdetectors; ++idet) if ( (detCode&(1<<idet)) ) { detector=idet; break; }
444 if (detector==-1) return kDetNoSignal;
446 return ComputePIDProbability((EDetector)detector, track, nSpecies, p);
449 //______________________________________________________________________________
450 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePIDProbability (EDetector detector, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
453 // Compute PID response of 'detector'
456 const AliDetectorPID *detPID=track->GetDetectorPID();
458 if ( detPID && detPID->HasRawProbability(detector)){
459 return detPID->GetRawProbability(detector, p, nSpecies);
460 } else if (fCachePID) {
461 FillTrackDetectorPID(track, detector);
462 detPID=track->GetDetectorPID();
463 return detPID->GetRawProbability(detector, p, nSpecies);
466 //if no caching return values calculated from scratch
467 return GetComputePIDProbability(detector, track, nSpecies, p);
470 //______________________________________________________________________________
471 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
473 // Compute PID response for the ITS
474 return ComputePIDProbability(kITS, track, nSpecies, p);
477 //______________________________________________________________________________
478 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
480 // Compute PID response for the TPC
481 return ComputePIDProbability(kTPC, track, nSpecies, p);
484 //______________________________________________________________________________
485 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
487 // Compute PID response for the
488 return ComputePIDProbability(kTOF, track, nSpecies, p);
491 //______________________________________________________________________________
492 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
494 // Compute PID response for the
495 return ComputePIDProbability(kTRD, track, nSpecies, p);
498 //______________________________________________________________________________
499 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeEMCALProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
501 // Compute PID response for the EMCAL
502 return ComputePIDProbability(kEMCAL, track, nSpecies, p);
504 //______________________________________________________________________________
505 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePHOSProbability (const AliVTrack */*track*/, Int_t nSpecies, Double_t p[]) const
507 // Compute PID response for the PHOS
509 // set flat distribution (no decision)
510 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
514 //______________________________________________________________________________
515 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
517 // Compute PID response for the HMPID
518 return ComputePIDProbability(kHMPID, track, nSpecies, p);
521 //______________________________________________________________________________
522 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const
524 // Compute PID response for the
525 return GetComputeTRDProbability(track, nSpecies, p, PIDmethod);
528 //______________________________________________________________________________
529 AliPIDResponse::EDetPidStatus AliPIDResponse::CheckPIDStatus(EDetector detector, const AliVTrack *track) const
531 // calculate detector pid status
533 const Int_t iDetCode=(Int_t)detector;
534 if (iDetCode<0||iDetCode>=kNdetectors) return kDetNoSignal;
535 const AliDetectorPID *detPID=track->GetDetectorPID();
538 return detPID->GetPIDStatus(detector);
539 } else if (fCachePID) {
540 FillTrackDetectorPID(track, detector);
541 detPID=track->GetDetectorPID();
542 return detPID->GetPIDStatus(detector);
545 // if not buffered and no buffering is requested
546 return GetPIDStatus(detector, track);
549 //______________________________________________________________________________
550 void AliPIDResponse::InitialiseEvent(AliVEvent *event, Int_t pass, Int_t run)
553 // Apply settings for the current event
562 else fRun=event->GetRunNumber();
569 //TPC resolution parametrisation PbPb
570 if ( fResolutionCorrection ){
571 Double_t corrSigma=fResolutionCorrection->Eval(GetTPCMultiplicityBin(event));
572 fTPCResponse.SetSigma(3.79301e-03*corrSigma, 2.21280e+04);
575 // Set up TPC multiplicity for PbPb
576 if (fUseTPCMultiplicityCorrection) {
577 Int_t numESDtracks = event->GetNumberOfESDTracks();
578 if (numESDtracks < 0) {
579 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!");
582 fTPCResponse.SetCurrentEventMultiplicity(numESDtracks);
585 fTPCResponse.SetCurrentEventMultiplicity(0);
588 SetTOFResponse(event, (AliPIDResponse::EStartTimeType_t)fTOFPIDParams->GetStartTimeMethod());
591 // Get and set centrality
592 AliCentrality *centrality = event->GetCentrality();
594 fCurrCentrality = centrality->GetCentralityPercentile("V0M");
597 fCurrCentrality = -1;
600 // Set centrality percentile for EMCAL
601 fEMCALResponse.SetCentrality(fCurrCentrality);
603 // switch off some TOF channel according to OADB to match data TOF matching eff
604 if (fTuneMConData && ((fTuneMConDataMask & kDetTOF) == kDetTOF) && fTOFPIDParams->GetTOFmatchingLossMC() > 0.01){
605 Int_t ntrk = event->GetNumberOfTracks();
606 for(Int_t i=0;i < ntrk;i++){
607 AliVParticle *trk = event->GetTrack(i);
608 Int_t channel = GetTOFResponse().GetTOFchannel(trk);
609 Int_t swoffEachOfThem = Int_t(100./fTOFPIDParams->GetTOFmatchingLossMC() + 0.5);
610 if(!(channel%swoffEachOfThem)) ((AliVTrack *) trk)->ResetStatus(AliVTrack::kTOFout);
616 //______________________________________________________________________________
617 void AliPIDResponse::ExecNewRun()
620 // Things to Execute upon a new run
624 SetITSParametrisation();
626 SetTPCPidResponseMaster();
627 SetTPCParametrisation();
630 SetTRDPidResponseMaster();
631 //has to precede InitializeTRDResponse(), otherwise the read-out fTRDdEdxParams is not pased in TRDResponse
633 InitializeTRDResponse();
635 SetEMCALPidResponseMaster();
636 InitializeEMCALResponse();
638 SetTOFPidResponseMaster();
639 InitializeTOFResponse();
641 SetHMPIDPidResponseMaster();
642 InitializeHMPIDResponse();
644 if (fCurrentEvent) fTPCResponse.SetMagField(fCurrentEvent->GetMagneticField());
647 //______________________________________________________________________________
648 Double_t AliPIDResponse::GetTPCMultiplicityBin(const AliVEvent * const event)
651 // Get TPC multiplicity in bins of 150
654 const AliVVertex* vertexTPC = event->GetPrimaryVertex();
655 Double_t tpcMulti=0.;
657 Double_t vertexContribTPC=vertexTPC->GetNContributors();
658 tpcMulti=vertexContribTPC/150.;
659 if (tpcMulti>20.) tpcMulti=20.;
665 //______________________________________________________________________________
666 void AliPIDResponse::SetRecoInfo()
669 // Set reconstruction information
681 Bool_t hasProdInfo=(fCurrentFile.BeginsWith("LHC"));
683 TPRegexp reg(".*(LHC1[1-3][a-z]+[0-9]+[a-z_]*)[/_].*");
684 if (hasProdInfo) reg=TPRegexp("LHC1[1-2][a-z]+[0-9]+[a-z_]*");
685 TPRegexp reg12a17("LHC1[2-4][a-z]");
687 //find the period by run number (UGLY, but not stored in ESD and AOD... )
688 if (fRun>=114737&&fRun<=117223) { fLHCperiod="LHC10B"; fMCperiodTPC="LHC10D1"; }
689 else if (fRun>=118503&&fRun<=121040) { fLHCperiod="LHC10C"; fMCperiodTPC="LHC10D1"; }
690 else if (fRun>=122195&&fRun<=126437) { fLHCperiod="LHC10D"; fMCperiodTPC="LHC10F6A"; }
691 else if (fRun>=127710&&fRun<=130850) { fLHCperiod="LHC10E"; fMCperiodTPC="LHC10F6A"; }
692 else if (fRun>=133004&&fRun<=135029) { fLHCperiod="LHC10F"; fMCperiodTPC="LHC10F6A"; }
693 else if (fRun>=135654&&fRun<=136377) { fLHCperiod="LHC10G"; fMCperiodTPC="LHC10F6A"; }
694 else if (fRun>=136851&&fRun<=139846) {
696 fMCperiodTPC="LHC10H8";
697 if (reg.MatchB(fCurrentFile)) fMCperiodTPC="LHC11A10";
698 // exception for 13d2 and later
699 if (fCurrentAliRootRev >= 62714) fMCperiodTPC="LHC13D2";
703 else if (fRun>=139847&&fRun<=146974) { fLHCperiod="LHC11A"; fMCperiodTPC="LHC10F6A"; }
704 //TODO: periods 11B (146975-150721), 11C (150722-155837) are not yet treated assume 11d for the moment
705 else if (fRun>=146975&&fRun<=155837) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
706 else if (fRun>=155838&&fRun<=159649) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
707 // also for 11e (159650-162750),f(162751-165771) use 11d
708 else if (fRun>=159650&&fRun<=162750) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
709 else if (fRun>=162751&&fRun<=165771) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
711 else if (fRun>=165772 && fRun<=170718) {
713 fMCperiodTPC="LHC11A10";
716 if (reg12a17.MatchB(fCurrentFile)) fMCperiodTPC="LHC12A17";
718 if (fRun>=170719 && fRun<=177311) {
722 fMCperiodTPC="LHC10F6A";
723 if (fCurrentAliRootRev >= 62714)
724 fMCperiodTPC="LHC14E2";
726 // for the moment use LHC12b parameters up to LHC12d
727 if (fRun>=177312 /*&& fRun<=179356*/) {
731 fMCperiodTPC="LHC10F6A";
732 if (fCurrentAliRootRev >= 62714)
733 fMCperiodTPC="LHC14E2";
735 // if (fRun>=179357 && fRun<=183173) { fLHCperiod="LHC12C"; fBeamType="PP"; fBeamTypeNum=kPP;/*fMCperiodTPC="";*/ }
736 // if (fRun>=183174 && fRun<=186345) { fLHCperiod="LHC12D"; fBeamType="PP"; fBeamTypeNum=kPP;/*fMCperiodTPC="";*/ }
737 // if (fRun>=186346 && fRun<=186635) { fLHCperiod="LHC12E"; fBeamType="PP"; fBeamTypeNum=kPP;/*fMCperiodTPC="";*/ }
739 // if (fRun>=186636 && fRun<=188166) { fLHCperiod="LHC12F"; fBeamType="PP"; fBeamTypeNum=kPP;/*fMCperiodTPC="";*/ }
740 // if (fRun >= 188167 && fRun <= 188355 ) { fLHCperiod="LHC12G"; fBeamType="PP"; fBeamTypeNum=kPP;/*fMCperiodTPC="";*/ }
741 // if (fRun >= 188356 && fRun <= 188503 ) { fLHCperiod="LHC12G"; fBeamType="PPB"; fBeamTypeNum=kPPB;/*fMCperiodTPC="";*/ }
742 // for the moment use 12g parametrisation for all full gain runs (LHC12e+)
743 if (fRun >= 186346 && fRun < 188719) { fLHCperiod="LHC12G"; fBeamType="PPB";fBeamTypeNum=kPPB; fMCperiodTPC="LHC12G"; }
745 // Dedicated splines for periods 12g and 12i(j) (and use more appropriate MC)
746 if (fRun >= 188720 && fRun <= 192738) {
750 fMCperiodTPC="LHC10F6A";
751 if (fCurrentAliRootRev >= 62714)
752 fMCperiodTPC="LHC13B2_FIXn1";
754 if (fRun >= 192739 && fRun <= 194479) {
758 fMCperiodTPC="LHC10F6A";
759 if (fCurrentAliRootRev >= 62714)
760 fMCperiodTPC="LHC13B2_FIXn1";
763 // New parametrisation for 2013 pPb runs
764 if (fRun >= 194480) {
768 fMCperiodTPC="LHC12G";
770 if (fCurrentAliRootRev >= 61605)
771 fMCperiodTPC="LHC13B2_FIX";
772 if (fCurrentAliRootRev >= 62714)
773 fMCperiodTPC="LHC13B2_FIXn1";
775 // High luminosity pPb runs require different parametrisations
776 if (fRun >= 195875 && fRun <= 197411) {
781 //exception new pp MC productions from 2011 (11a periods have 10f6a splines!)
782 if (fBeamType=="PP" && reg.MatchB(fCurrentFile) && !fCurrentFile.Contains("LHC11a")) { fMCperiodTPC="LHC11B2"; fBeamType="PP";fBeamTypeNum=kPP; }
783 // exception for 11f1
784 if (fCurrentFile.Contains("LHC11f1")) fMCperiodTPC="LHC11F1";
785 // exception for 12f1a, 12f1b and 12i3
786 if (fCurrentFile.Contains("LHC12f1") || fCurrentFile.Contains("LHC12i3")) fMCperiodTPC="LHC12F1";
787 // exception for 12c4
788 if (fCurrentFile.Contains("LHC12c4")) fMCperiodTPC="LHC12C4";
789 // exception for 13d1 11d anchored prod
790 if (fLHCperiod=="LHC11D" && fCurrentFile.Contains("LHC13d1")) fMCperiodTPC="LHC13D1";
793 //______________________________________________________________________________
794 void AliPIDResponse::SetITSParametrisation()
797 // Set the ITS parametrisation
802 //______________________________________________________________________________
803 void AliPIDResponse::AddPointToHyperplane(TH2D* h, TLinearFitter* linExtrapolation, Int_t binX, Int_t binY)
805 if (h->GetBinContent(binX, binY) <= 1e-4)
806 return; // Reject bins without content (within some numerical precision) or with strange content
808 Double_t coord[2] = {0, 0};
809 coord[0] = h->GetXaxis()->GetBinCenter(binX);
810 coord[1] = h->GetYaxis()->GetBinCenter(binY);
811 Double_t binError = h->GetBinError(binX, binY);
813 binError = 1000; // Should not happen because bins without content are rejected for the map (TH2D* h)
814 printf("ERROR: This should never happen: Trying to add bin in addPointToHyperplane with error not set....\n");
816 linExtrapolation->AddPoint(coord, h->GetBinContent(binX, binY, binError));
820 //______________________________________________________________________________
821 TH2D* AliPIDResponse::RefineHistoViaLinearInterpolation(TH2D* h, Double_t refineFactorX, Double_t refineFactorY)
826 // Interpolate to finer map
827 TLinearFitter* linExtrapolation = new TLinearFitter(2, "hyp2", "");
829 Double_t upperMapBoundY = h->GetYaxis()->GetBinUpEdge(h->GetYaxis()->GetNbins());
830 Double_t lowerMapBoundY = h->GetYaxis()->GetBinLowEdge(1);
832 // 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,
833 // scale the number of bins correspondingly
834 Int_t nBinsY = TMath::Nint((upperMapBoundY - lowerMapBoundY) / (0.02 - 0.0016) * 40);
835 Int_t nBinsXrefined = nBinsX * refineFactorX;
836 Int_t nBinsYrefined = nBinsY * refineFactorY;
838 TH2D* hRefined = new TH2D(Form("%s_refined", h->GetName()), Form("%s (refined)", h->GetTitle()),
839 nBinsXrefined, h->GetXaxis()->GetBinLowEdge(1), h->GetXaxis()->GetBinUpEdge(h->GetXaxis()->GetNbins()),
840 nBinsYrefined, lowerMapBoundY, upperMapBoundY);
842 for (Int_t binX = 1; binX <= nBinsXrefined; binX++) {
843 for (Int_t binY = 1; binY <= nBinsYrefined; binY++) {
845 hRefined->SetBinContent(binX, binY, 1); // Default value is 1
847 Double_t centerX = hRefined->GetXaxis()->GetBinCenter(binX);
848 Double_t centerY = hRefined->GetYaxis()->GetBinCenter(binY);
851 linExtrapolation->ClearPoints();
853 // For interpolation: Just take the corresponding bin from the old histo.
854 // For extrapolation: take the last available bin from the old histo.
855 // If the boundaries are to be skipped, also skip the corresponding bins
856 Int_t oldBinX = h->GetXaxis()->FindBin(centerX);
859 if (oldBinX > nBinsX)
862 Int_t oldBinY = h->GetYaxis()->FindBin(centerY);
865 if (oldBinY > nBinsY)
868 // Neighbours left column
871 AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY - 1);
874 AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY);
876 if (oldBinY < nBinsY) {
877 AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY + 1);
881 // Neighbours (and point itself) same column
883 AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY - 1);
886 AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY);
888 if (oldBinY < nBinsY) {
889 AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY + 1);
892 // Neighbours right column
893 if (oldBinX < nBinsX) {
895 AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY - 1);
898 AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY);
900 if (oldBinY < nBinsY) {
901 AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY + 1);
907 if (linExtrapolation->GetNpoints() <= 0)
910 if (linExtrapolation->Eval() != 0)// EvalRobust -> Takes much, much, [...], much more time (~hours instead of seconds)
913 // Fill the bin of the refined histogram with the extrapolated value
914 Double_t interpolatedValue = linExtrapolation->GetParameter(0) + linExtrapolation->GetParameter(1) * centerX
915 + linExtrapolation->GetParameter(2) * centerY;
917 Double_t interpolatedValue = h->Interpolate(centerX, centerY) ;
918 hRefined->SetBinContent(binX, binY, interpolatedValue);
923 // Problem: Interpolation does not work before/beyond center of first/last bin (as the name suggests).
924 // Therefore, for each row in dEdx: Take last bin from old map and interpolate values from center and edge.
925 // Assume line through these points and extropolate to last bin of refined map
926 const Double_t firstOldXbinUpEdge = h->GetXaxis()->GetBinUpEdge(1);
927 const Double_t firstOldXbinCenter = h->GetXaxis()->GetBinCenter(1);
929 const Double_t oldXbinHalfWidth = firstOldXbinUpEdge - firstOldXbinCenter;
931 const Double_t lastOldXbinLowEdge = h->GetXaxis()->GetBinLowEdge(h->GetNbinsX());
932 const Double_t lastOldXbinCenter = h->GetXaxis()->GetBinCenter(h->GetNbinsX());
934 for (Int_t binY = 1; binY <= nBinsYrefined; binY++) {
935 Double_t centerY = hRefined->GetYaxis()->GetBinCenter(binY);
937 const Double_t interpolatedCenterFirstXbin = h->Interpolate(firstOldXbinCenter, centerY);
938 const Double_t interpolatedUpEdgeFirstXbin = h->Interpolate(firstOldXbinUpEdge, centerY);
940 const Double_t extrapolationSlopeFirstXbin = (interpolatedUpEdgeFirstXbin - interpolatedCenterFirstXbin) / oldXbinHalfWidth;
941 const Double_t extrapolationOffsetFirstXbin = interpolatedCenterFirstXbin;
944 const Double_t interpolatedCenterLastXbin = h->Interpolate(lastOldXbinCenter, centerY);
945 const Double_t interpolatedLowEdgeLastXbin = h->Interpolate(lastOldXbinLowEdge, centerY);
947 const Double_t extrapolationSlopeLastXbin = (interpolatedCenterLastXbin - interpolatedLowEdgeLastXbin) / oldXbinHalfWidth;
948 const Double_t extrapolationOffsetLastXbin = interpolatedCenterLastXbin;
950 for (Int_t binX = 1; binX <= nBinsXrefined; binX++) {
951 Double_t centerX = hRefined->GetXaxis()->GetBinCenter(binX);
953 if (centerX < firstOldXbinCenter) {
954 Double_t extrapolatedValue = extrapolationOffsetFirstXbin + (centerX - firstOldXbinCenter) * extrapolationSlopeFirstXbin;
955 hRefined->SetBinContent(binX, binY, extrapolatedValue);
957 else if (centerX <= lastOldXbinCenter) {
961 Double_t extrapolatedValue = extrapolationOffsetLastXbin + (centerX - lastOldXbinCenter) * extrapolationSlopeLastXbin;
962 hRefined->SetBinContent(binX, binY, extrapolatedValue);
967 delete linExtrapolation;
972 //______________________________________________________________________________
973 void AliPIDResponse::SetTPCEtaMaps(Double_t refineFactorMapX, Double_t refineFactorMapY,
974 Double_t refineFactorSigmaMapX, Double_t refineFactorSigmaMapY)
977 // Load the TPC eta correction maps from the OADB
980 if (fUseTPCEtaCorrection == kFALSE) {
981 // Disable eta correction via setting no maps
982 if (!fTPCResponse.SetEtaCorrMap(0x0))
983 AliInfo("Request to disable TPC eta correction -> Eta correction has been disabled");
985 AliError("Request to disable TPC eta correction -> Some error occured when unloading the correction maps");
987 if (!fTPCResponse.SetSigmaParams(0x0, 0))
988 AliInfo("Request to disable TPC eta correction -> Using old parametrisation for sigma");
990 AliError("Request to disable TPC eta correction -> Some error occured when unloading the sigma maps");
995 TString dataType = "DATA";
996 TString period = fLHCperiod.IsNull() ? "No period information" : fLHCperiod;
999 if (!(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) {
1000 period=fMCperiodTPC;
1005 if (!(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) && fMCperiodTPC.IsNull()) {
1006 AliFatal("MC detected, but no MC period set -> Not changing eta maps!");
1011 Int_t recopass = fRecoPass;
1012 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC) )
1013 recopass = fRecoPassUser;
1015 TString defaultObj = Form("Default_%s_pass%d", dataType.Data(), recopass);
1017 AliInfo(Form("Current period and reco pass: %s.pass%d", period.Data(), recopass));
1019 // Invalidate old maps
1020 fTPCResponse.SetEtaCorrMap(0x0);
1021 fTPCResponse.SetSigmaParams(0x0, 0);
1023 // Load the eta correction maps
1024 AliOADBContainer etaMapsCont(Form("TPCetaMaps_%s_pass%d", dataType.Data(), recopass));
1026 Int_t statusCont = etaMapsCont.InitFromFile(Form("%s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()),
1027 Form("TPCetaMaps_%s_pass%d", dataType.Data(), recopass));
1029 AliError("Failed initializing TPC eta correction maps from OADB -> Disabled eta correction");
1030 fUseTPCEtaCorrection = kFALSE;
1033 AliInfo(Form("Loading TPC eta correction map from %s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()));
1037 if (fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) {
1038 TString searchMap = Form("TPCetaMaps_%s_%s_pass%d", dataType.Data(), period.Data(), recopass);
1039 etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetDefaultObject(searchMap.Data()));
1041 // Try default object
1042 etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetDefaultObject(defaultObj.Data()));
1046 etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetObject(fRun, defaultObj.Data()));
1051 AliError(Form("TPC eta correction map not found for run %d and also no default map found -> Disabled eta correction!!!", fRun));
1052 fUseTPCEtaCorrection = kFALSE;
1055 TH2D* etaMapRefined = RefineHistoViaLinearInterpolation(etaMap, refineFactorMapX, refineFactorMapY);
1057 if (etaMapRefined) {
1058 if (!fTPCResponse.SetEtaCorrMap(etaMapRefined)) {
1059 AliError(Form("Failed to set TPC eta correction map for run %d -> Disabled eta correction!!!", fRun));
1060 fTPCResponse.SetEtaCorrMap(0x0);
1061 fUseTPCEtaCorrection = kFALSE;
1064 AliInfo(Form("Loaded TPC eta correction map (refine factors %.2f/%.2f) from %s/COMMON/PID/data/TPCetaMaps.root: %s (MD5(map) = %s)",
1065 refineFactorMapX, refineFactorMapY, fOADBPath.Data(), fTPCResponse.GetEtaCorrMap()->GetTitle(),
1066 GetChecksum(fTPCResponse.GetEtaCorrMap()).Data()));
1069 delete etaMapRefined;
1072 AliError(Form("Failed to set TPC eta correction map for run %d (map was loaded, but couldn't be refined) -> Disabled eta correction!!!", fRun));
1073 fUseTPCEtaCorrection = kFALSE;
1078 // If there was some problem loading the eta maps, it makes no sense to load the sigma maps (that require eta corrected data)
1079 if (fUseTPCEtaCorrection == kFALSE) {
1080 AliError("Failed to load TPC eta correction map required by sigma maps -> Using old parametrisation for sigma");
1084 // Load the sigma parametrisation (1/dEdx vs tanTheta_local (~eta))
1085 AliOADBContainer etaSigmaMapsCont(Form("TPCetaSigmaMaps_%s_pass%d", dataType.Data(), recopass));
1087 statusCont = etaSigmaMapsCont.InitFromFile(Form("%s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()),
1088 Form("TPCetaSigmaMaps_%s_pass%d", dataType.Data(), recopass));
1090 AliError("Failed initializing TPC eta sigma maps from OADB -> Using old sigma parametrisation");
1093 AliInfo(Form("Loading TPC eta sigma map from %s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()));
1095 TObjArray* etaSigmaPars = 0x0;
1097 if (fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) {
1098 TString searchMap = Form("TPCetaSigmaMaps_%s_%s_pass%d", dataType.Data(), period.Data(), recopass);
1099 etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetDefaultObject(searchMap.Data()));
1100 if (!etaSigmaPars) {
1101 // Try default object
1102 etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetDefaultObject(defaultObj.Data()));
1106 etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetObject(fRun, defaultObj.Data()));
1109 if (!etaSigmaPars) {
1110 AliError(Form("TPC eta sigma parametrisation not found for run %d -> Using old sigma parametrisation!!!", fRun));
1113 TH2D* etaSigmaPar1Map = dynamic_cast<TH2D *>(etaSigmaPars->FindObject("sigmaPar1Map"));
1114 TNamed* sigmaPar0Info = dynamic_cast<TNamed *>(etaSigmaPars->FindObject("sigmaPar0"));
1115 Double_t sigmaPar0 = 0.0;
1117 if (sigmaPar0Info) {
1118 TString sigmaPar0String = sigmaPar0Info->GetTitle();
1119 sigmaPar0 = sigmaPar0String.Atof();
1122 // Something is weired because the object for parameter 0 could not be loaded -> New sigma parametrisation can not be used!
1123 etaSigmaPar1Map = 0x0;
1126 TH2D* etaSigmaPar1MapRefined = RefineHistoViaLinearInterpolation(etaSigmaPar1Map, refineFactorSigmaMapX, refineFactorSigmaMapY);
1129 if (etaSigmaPar1MapRefined) {
1130 if (!fTPCResponse.SetSigmaParams(etaSigmaPar1MapRefined, sigmaPar0)) {
1131 AliError(Form("Failed to set TPC eta sigma map for run %d -> Using old sigma parametrisation!!!", fRun));
1132 fTPCResponse.SetSigmaParams(0x0, 0);
1135 AliInfo(Form("Loaded TPC sigma correction map (refine factors %.2f/%.2f) from %s/COMMON/PID/data/TPCetaMaps.root: %s (MD5(map) = %s, sigmaPar0 = %f)",
1136 refineFactorSigmaMapX, refineFactorSigmaMapY, fOADBPath.Data(), fTPCResponse.GetSigmaPar1Map()->GetTitle(),
1137 GetChecksum(fTPCResponse.GetSigmaPar1Map()).Data(), sigmaPar0));
1140 delete etaSigmaPar1MapRefined;
1143 AliError(Form("Failed to set TPC eta sigma map for run %d (map was loaded, but couldn't be refined) -> Using old sigma parametrisation!!!",
1150 //______________________________________________________________________________
1151 void AliPIDResponse::SetTPCPidResponseMaster()
1154 // Load the TPC pid response functions from the OADB
1155 // Load the TPC voltage maps from OADB
1157 //don't load twice for the moment
1158 if (fArrPidResponseMaster) return;
1161 //reset the PID response functions
1162 delete fArrPidResponseMaster;
1163 fArrPidResponseMaster=NULL;
1165 TString fileName(Form("%s/COMMON/PID/data/TPCPIDResponse.root", fOADBPath.Data()));
1167 if (!fCustomTPCpidResponse.IsNull()) fileName=fCustomTPCpidResponse;
1169 TString fileNamePIDresponse(Form("%s/COMMON/PID/data/TPCPIDResponse.root", fOADBPath.Data()));
1170 f=TFile::Open(fileNamePIDresponse.Data());
1171 if (f && f->IsOpen() && !f->IsZombie()){
1172 fArrPidResponseMaster=dynamic_cast<TObjArray*>(f->Get("TPCPIDResponse"));
1176 TString fileNameVoltageMaps(Form("%s/COMMON/PID/data/TPCvoltageSettings.root", fOADBPath.Data()));
1177 f=TFile::Open(fileNameVoltageMaps.Data());
1178 if (f && f->IsOpen() && !f->IsZombie()){
1179 fOADBvoltageMaps=dynamic_cast<AliOADBContainer*>(f->Get("TPCvoltageSettings"));
1183 if (!fArrPidResponseMaster){
1184 AliFatal(Form("Could not retrieve the TPC pid response from: %s",fileNamePIDresponse.Data()));
1187 fArrPidResponseMaster->SetOwner();
1189 if (!fOADBvoltageMaps)
1191 AliFatal(Form("Could not retrieve the TPC voltage maps from: %s",fileNameVoltageMaps.Data()));
1193 fArrPidResponseMaster->SetOwner();
1196 //______________________________________________________________________________
1197 void AliPIDResponse::SetTPCParametrisation()
1200 // Change BB parametrisation for current run
1206 fTPCResponse.ResetSplines();
1208 if (fLHCperiod.IsNull()) {
1209 AliError("No period set, not changing parametrisation");
1214 // Set default parametrisations for data and MC
1218 TString datatype="DATA";
1219 //in case of mc fRecoPass is per default 1
1221 if(!(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) datatype="MC";
1226 TString period=fLHCperiod;
1227 if (fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) period=fMCperiodTPC;
1229 Int_t recopass = fRecoPass;
1230 if(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) recopass = fRecoPassUser;
1232 AliInfo(Form("Searching splines for: %s %s PASS%d %s",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
1233 Bool_t found=kFALSE;
1235 //set the new PID splines
1237 if (fArrPidResponseMaster){
1238 //for MC don't use period information
1239 //if (fIsMC) period="[A-Z0-9]*";
1240 //for MC use MC period information
1241 //pattern for the default entry (valid for all particles)
1242 TPRegexp reg(Form("TSPLINE3_%s_([A-Z]*)_%s_PASS%d_%s_MEAN(_*)([A-Z1-9]*)",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
1244 //find particle id and gain scenario
1245 for (Int_t igainScenario=0; igainScenario<AliTPCPIDResponse::fgkNumberOfGainScenarios; igainScenario++)
1247 TObject *grAll=NULL;
1248 TString gainScenario = AliTPCPIDResponse::GainScenarioName(igainScenario);
1249 gainScenario.ToUpper();
1250 //loop over entries and filter them
1251 for (Int_t iresp=0; iresp<fArrPidResponseMaster->GetEntriesFast();++iresp)
1253 TObject *responseFunction=fArrPidResponseMaster->At(iresp);
1254 if (responseFunction==NULL) continue;
1255 TString responseName=responseFunction->GetName();
1257 if (!reg.MatchB(responseName)) continue;
1259 TObjArray *arr=reg.MatchS(responseName); if (!arr) continue;
1261 tmp=arr->At(1); if (!tmp) continue;
1262 TString particleName=tmp->GetName();
1263 tmp=arr->At(3); if (!tmp) continue;
1264 TString gainScenarioName=tmp->GetName();
1266 if (particleName.IsNull()) continue;
1267 if (!grAll && particleName=="ALL" && gainScenarioName==gainScenario) grAll=responseFunction;
1270 for (Int_t ispec=0; ispec<(AliTPCPIDResponse::fgkNumberOfParticleSpecies); ++ispec)
1272 TString particle=AliPID::ParticleName(ispec);
1274 //std::cout<<responseName<<" "<<particle<<" "<<particleName<<" "<<gainScenario<<" "<<gainScenarioName<<std::endl;
1275 if ( particle == particleName && gainScenario == gainScenarioName )
1277 fTPCResponse.SetResponseFunction( responseFunction,
1278 (AliPID::EParticleType)ispec,
1279 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1280 fTPCResponse.SetUseDatabase(kTRUE);
1281 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,responseFunction->GetName(),
1282 GetChecksum((TSpline3*)responseFunction).Data()));
1290 // Retrieve responsefunction for pions - will (if available) be used for muons if there are no dedicated muon splines.
1291 // For light nuclei, try to set the proton spline, if no dedicated splines are available.
1292 // In both cases: Use default splines, if no dedicated splines and no pion/proton splines are available.
1293 TObject* responseFunctionPion = fTPCResponse.GetResponseFunction( (AliPID::EParticleType)AliPID::kPion,
1294 (AliTPCPIDResponse::ETPCgainScenario)igainScenario);
1295 TObject* responseFunctionProton = fTPCResponse.GetResponseFunction( (AliPID::EParticleType)AliPID::kProton,
1296 (AliTPCPIDResponse::ETPCgainScenario)igainScenario);
1298 for (Int_t ispec=0; ispec<(AliTPCPIDResponse::fgkNumberOfParticleSpecies); ++ispec)
1300 if (!fTPCResponse.GetResponseFunction( (AliPID::EParticleType)ispec,
1301 (AliTPCPIDResponse::ETPCgainScenario)igainScenario))
1303 if (ispec == AliPID::kMuon) { // Muons
1304 if (responseFunctionPion) {
1305 fTPCResponse.SetResponseFunction( responseFunctionPion,
1306 (AliPID::EParticleType)ispec,
1307 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1308 fTPCResponse.SetUseDatabase(kTRUE);
1309 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,responseFunctionPion->GetName(),
1310 GetChecksum((TSpline3*)responseFunctionPion).Data()));
1314 fTPCResponse.SetResponseFunction( grAll,
1315 (AliPID::EParticleType)ispec,
1316 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1317 fTPCResponse.SetUseDatabase(kTRUE);
1318 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,grAll->GetName(),
1319 GetChecksum((TSpline3*)grAll).Data()));
1323 // AliError(Form("No splines found for muons (also no pion splines and no default splines) for gain scenario %d!", igainScenario));
1325 else if (ispec >= AliPID::kSPECIES) { // Light nuclei
1326 if (responseFunctionProton) {
1327 fTPCResponse.SetResponseFunction( responseFunctionProton,
1328 (AliPID::EParticleType)ispec,
1329 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1330 fTPCResponse.SetUseDatabase(kTRUE);
1331 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,responseFunctionProton->GetName(),
1332 GetChecksum((TSpline3*)responseFunctionProton).Data()));
1336 fTPCResponse.SetResponseFunction( grAll,
1337 (AliPID::EParticleType)ispec,
1338 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1339 fTPCResponse.SetUseDatabase(kTRUE);
1340 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,grAll->GetName(),
1341 GetChecksum((TSpline3*)grAll).Data()));
1345 // AliError(Form("No splines found for species %d (also no proton splines and no default splines) for gain scenario %d!",
1346 // ispec, igainScenario));
1352 else AliInfo("no fArrPidResponseMaster");
1355 AliError(Form("No splines found for: %s %s PASS%d %s",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
1360 // Setup multiplicity correction (only used for non-pp collisions)
1363 const Bool_t isPP = (fBeamType.CompareTo("PP") == 0);
1365 // 2013 pPb data taking at low luminosity
1366 const Bool_t isPPb2013LowLuminosity = period.Contains("LHC13B") || period.Contains("LHC13C") || period.Contains("LHC13D");
1367 // PbPb 2010, period 10h.pass2
1368 //TODO Needs further development const Bool_t is10hpass2 = period.Contains("LHC10H") && recopass == 2;
1371 // In case of MC without(!) tune on data activated for the TPC, don't use the multiplicity correction for the moment
1372 Bool_t isMCandNotTPCtuneOnData = fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC));
1374 // If correction is available, but disabled (highly NOT recommended!), print warning
1375 if (!fUseTPCMultiplicityCorrection && !isPP && !isMCandNotTPCtuneOnData) {
1376 //TODO: Needs further development if (is10hpass2 || isPPb2013LowLuminosity) {
1377 if (isPPb2013LowLuminosity) {
1378 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!");
1382 if (fUseTPCMultiplicityCorrection && !isPP && !isMCandNotTPCtuneOnData) {
1383 AliInfo("Multiplicity correction enabled!");
1385 //TODO After testing, load parameters from outside
1386 /*TODO no correction for MC
1387 if (period.Contains("LHC11A10")) {//LHC11A10A
1388 AliInfo("Using multiplicity correction parameters for 11a10!");
1389 fTPCResponse.SetParameterMultiplicityCorrection(0, 6.90133e-06);
1390 fTPCResponse.SetParameterMultiplicityCorrection(1, -1.22123e-03);
1391 fTPCResponse.SetParameterMultiplicityCorrection(2, 1.80220e-02);
1392 fTPCResponse.SetParameterMultiplicityCorrection(3, 0.1);
1393 fTPCResponse.SetParameterMultiplicityCorrection(4, 6.45306e-03);
1395 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, -2.85505e-07);
1396 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, -1.31911e-06);
1397 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5);
1399 fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, -4.29665e-05);
1400 fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, 1.37023e-02);
1401 fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, -6.36337e-01);
1402 fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 1.13479e-02);
1404 else*/ if (isPPb2013LowLuminosity) {// 2013 pPb data taking at low luminosity
1405 AliInfo("Using multiplicity correction parameters for 13b.pass2 (at least also valid for 13{c,d} and pass 3)!");
1407 fTPCResponse.SetParameterMultiplicityCorrection(0, -5.906e-06);
1408 fTPCResponse.SetParameterMultiplicityCorrection(1, -5.064e-04);
1409 fTPCResponse.SetParameterMultiplicityCorrection(2, -3.521e-02);
1410 fTPCResponse.SetParameterMultiplicityCorrection(3, 2.469e-02);
1411 fTPCResponse.SetParameterMultiplicityCorrection(4, 0);
1413 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, -5.32e-06);
1414 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, 1.177e-05);
1415 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5);
1417 fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, 0.);
1418 fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, 0.);
1419 fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, 0.);
1420 fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 0.);
1422 /* Not too bad, but far from perfect in the details
1423 fTPCResponse.SetParameterMultiplicityCorrection(0, -6.27187e-06);
1424 fTPCResponse.SetParameterMultiplicityCorrection(1, -4.60649e-04);
1425 fTPCResponse.SetParameterMultiplicityCorrection(2, -4.26450e-02);
1426 fTPCResponse.SetParameterMultiplicityCorrection(3, 2.40590e-02);
1427 fTPCResponse.SetParameterMultiplicityCorrection(4, 0);
1429 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, -5.338e-06);
1430 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, 1.220e-05);
1431 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5);
1433 fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, 7.89237e-05);
1434 fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, -1.30662e-02);
1435 fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, 8.91548e-01);
1436 fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 1.47931e-02);
1439 /*TODO: Needs further development
1440 else if (is10hpass2) {
1441 AliInfo("Using multiplicity correction parameters for 10h.pass2!");
1442 fTPCResponse.SetParameterMultiplicityCorrection(0, 3.21636e-07);
1443 fTPCResponse.SetParameterMultiplicityCorrection(1, -6.65876e-04);
1444 fTPCResponse.SetParameterMultiplicityCorrection(2, 1.28786e-03);
1445 fTPCResponse.SetParameterMultiplicityCorrection(3, 1.47677e-02);
1446 fTPCResponse.SetParameterMultiplicityCorrection(4, 0);
1448 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, 7.23591e-08);
1449 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, 2.7469e-06);
1450 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5);
1452 fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, -1.22590e-05);
1453 fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, 6.88888e-03);
1454 fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, -3.20788e-01);
1455 fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 1.07345e-02);
1459 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));
1460 fUseTPCMultiplicityCorrection = kFALSE;
1461 fTPCResponse.ResetMultiplicityCorrectionFunctions();
1465 // Just set parameters such that overall correction factor is 1, i.e. no correction.
1466 // This is just a reasonable choice for the parameters for safety reasons. Disabling
1467 // the multiplicity correction will anyhow skip the calculation of the corresponding
1468 // correction factor inside THIS class. Nevertheless, experts can access the TPCPIDResponse
1469 // directly and use it for calculations - which should still give valid results, even if
1470 // the multiplicity correction is explicitely enabled in such expert calls.
1472 TString reasonForDisabling = "requested by user";
1473 if (fUseTPCMultiplicityCorrection) {
1475 reasonForDisabling = "pp collisions";
1477 reasonForDisabling = "MC w/o tune on data";
1480 AliInfo(Form("Multiplicity correction %sdisabled (%s)!", fUseTPCMultiplicityCorrection ? "automatically " : "",
1481 reasonForDisabling.Data()));
1483 fUseTPCMultiplicityCorrection = kFALSE;
1484 fTPCResponse.ResetMultiplicityCorrectionFunctions();
1487 if (fUseTPCMultiplicityCorrection) {
1488 for (Int_t i = 0; i <= 4 + 1; i++) {
1489 AliInfo(Form("parMultCorr: %d, %e", i, fTPCResponse.GetMultiplicityCorrectionFunction()->GetParameter(i)));
1491 for (Int_t j = 0; j <= 2 + 1; j++) {
1492 AliInfo(Form("parMultCorrTanTheta: %d, %e", j, fTPCResponse.GetMultiplicityCorrectionFunctionTanTheta()->GetParameter(j)));
1494 for (Int_t j = 0; j <= 3 + 1; j++) {
1495 AliInfo(Form("parMultSigmaCorr: %d, %e", j, fTPCResponse.GetMultiplicitySigmaCorrectionFunction()->GetParameter(j)));
1500 // Setup old resolution parametrisation
1504 fTPCResponse.SetSigma(3.79301e-03, 2.21280e+04);
1506 if (fRun>=122195){ //LHC10d
1507 fTPCResponse.SetSigma(2.30176e-02, 5.60422e+02);
1510 if (fRun>=170719){ // LHC12a
1511 fTPCResponse.SetSigma(2.95714e-03, 1.01953e+05);
1514 if (fRun>=177312){ // LHC12b
1515 fTPCResponse.SetSigma(3.74633e-03, 7.11829e+04 );
1518 if (fRun>=186346){ // LHC12e
1519 fTPCResponse.SetSigma(8.62022e-04, 9.08156e+05);
1522 if (fArrPidResponseMaster)
1523 fResolutionCorrection=(TF1*)fArrPidResponseMaster->FindObject(Form("TF1_%s_ALL_%s_PASS%d_%s_SIGMA",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
1525 if (fResolutionCorrection) AliInfo(Form("Setting multiplicity correction function: %s (MD5(corr function) = %s)",
1526 fResolutionCorrection->GetName(), GetChecksum(fResolutionCorrection).Data()));
1528 //read in the voltage map
1529 TVectorF* gsm = 0x0;
1530 if (fOADBvoltageMaps) gsm=dynamic_cast<TVectorF*>(fOADBvoltageMaps->GetObject(fRun));
1533 fTPCResponse.SetVoltageMap(*gsm);
1535 AliInfo(Form("Reading the voltage map for run %d\n",fRun));
1536 vals="IROC A: "; for (Int_t i=0; i<18; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1537 AliInfo(vals.Data());
1538 vals="IROC C: "; for (Int_t i=18; i<36; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1539 AliInfo(vals.Data());
1540 vals="OROC A: "; for (Int_t i=36; i<54; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1541 AliInfo(vals.Data());
1542 vals="OROC C: "; for (Int_t i=54; i<72; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1543 AliInfo(vals.Data());
1545 else AliInfo("no voltage map, ideal default assumed");
1548 //______________________________________________________________________________
1549 void AliPIDResponse::SetTRDPidResponseMaster()
1552 // Load the TRD pid params and references from the OADB
1554 if(fTRDPIDResponseObject) return;
1555 AliOADBContainer contParams("contParams");
1557 Int_t statusResponse = contParams.InitFromFile(Form("%s/COMMON/PID/data/TRDPIDResponse.root", fOADBPath.Data()), "AliTRDPIDResponseObject");
1559 AliError("Failed initializing PID Response Object from OADB");
1561 AliInfo(Form("Loading TRD Response from %s/COMMON/PID/data/TRDPIDResponse.root", fOADBPath.Data()));
1562 fTRDPIDResponseObject = dynamic_cast<AliTRDPIDResponseObject *>(contParams.GetObject(fRun));
1563 if(!fTRDPIDResponseObject){
1564 AliError(Form("TRD Response not found in run %d", fRun));
1569 //______________________________________________________________________________
1570 void AliPIDResponse::InitializeTRDResponse(){
1572 // Set PID Params and references to the TRD PID response
1574 fTRDResponse.SetPIDResponseObject(fTRDPIDResponseObject);
1575 fTRDResponse.SetdEdxParams(fTRDdEdxParams);
1578 //______________________________________________________________________________
1579 void AliPIDResponse::SetTRDSlices(UInt_t TRDslicesForPID[2],AliTRDPIDResponse::ETRDPIDMethod method) const{
1581 if(fLHCperiod.Contains("LHC10D") || fLHCperiod.Contains("LHC10E")){
1582 // backward compatibility for setting with 8 slices
1583 TRDslicesForPID[0] = 0;
1584 TRDslicesForPID[1] = 7;
1587 if(method==AliTRDPIDResponse::kLQ1D){
1588 TRDslicesForPID[0] = 0; // first Slice contains normalized dEdx
1589 TRDslicesForPID[1] = 0;
1591 if(method==AliTRDPIDResponse::kLQ2D){
1592 TRDslicesForPID[0] = 1;
1593 TRDslicesForPID[1] = 7;
1596 AliDebug(1,Form("Slice Range set to %d - %d",TRDslicesForPID[0],TRDslicesForPID[1]));
1599 //______________________________________________________________________________
1600 void AliPIDResponse::SetTRDdEdxParams()
1602 if(fTRDdEdxParams) return;
1604 const TString containerName = "TRDdEdxParamsContainer";
1605 AliOADBContainer cont(containerName.Data());
1607 const TString filePathNamePackage=Form("%s/COMMON/PID/data/TRDdEdxParams.root", fOADBPath.Data());
1609 const Int_t statusCont = cont.InitFromFile(filePathNamePackage.Data(), cont.GetName());
1611 AliFatal("Failed initializing settings from OADB");
1614 AliInfo(Form("Loading %s from %s\n", cont.GetName(), filePathNamePackage.Data()));
1616 fTRDdEdxParams = (AliTRDdEdxParams*)(cont.GetObject(fRun, "default"));
1617 //fTRDdEdxParams->Print();
1619 if(!fTRDdEdxParams){
1620 AliError(Form("TRD dEdx Params default not found"));
1625 //______________________________________________________________________________
1626 void AliPIDResponse::SetTOFPidResponseMaster()
1629 // Load the TOF pid params from the OADB
1632 if (fTOFPIDParams) delete fTOFPIDParams;
1635 TFile *oadbf = new TFile(Form("%s/COMMON/PID/data/TOFPIDParams.root",fOADBPath.Data()));
1636 if (oadbf && oadbf->IsOpen()) {
1637 AliInfo(Form("Loading TOF Params from %s/COMMON/PID/data/TOFPIDParams.root", fOADBPath.Data()));
1638 AliOADBContainer *oadbc = (AliOADBContainer *)oadbf->Get("TOFoadb");
1639 if (oadbc) fTOFPIDParams = dynamic_cast<AliTOFPIDParams *>(oadbc->GetObject(fRun,"TOFparams"));
1645 if (!fTOFPIDParams) AliFatal("TOFPIDParams could not be retrieved");
1648 //______________________________________________________________________________
1649 void AliPIDResponse::InitializeTOFResponse(){
1651 // Set PID Params to the TOF PID response
1654 AliInfo("TOF PID Params loaded from OADB");
1655 AliInfo(Form(" TOF resolution %5.2f [ps]",fTOFPIDParams->GetTOFresolution()));
1656 AliInfo(Form(" StartTime method %d",fTOFPIDParams->GetStartTimeMethod()));
1657 AliInfo(Form(" TOF res. mom. params: %5.2f %5.2f %5.2f %5.2f",
1658 fTOFPIDParams->GetSigParams(0),fTOFPIDParams->GetSigParams(1),fTOFPIDParams->GetSigParams(2),fTOFPIDParams->GetSigParams(3)));
1659 AliInfo(Form(" Fraction of tracks within gaussian behaviour: %6.4f",fTOFPIDParams->GetTOFtail()));
1660 AliInfo(Form(" MC: Fraction of tracks (percentage) to cut to fit matching in data: %6.2f%%",fTOFPIDParams->GetTOFmatchingLossMC()));
1661 AliInfo(Form(" MC: Fraction of random hits (percentage) to add to fit mismatch in data: %6.2f%%",fTOFPIDParams->GetTOFadditionalMismForMC()));
1662 AliInfo(Form(" Start Time Offset %6.2f ps",fTOFPIDParams->GetTOFtimeOffset()));
1664 for (Int_t i=0;i<4;i++) {
1665 fTOFResponse.SetTrackParameter(i,fTOFPIDParams->GetSigParams(i));
1667 fTOFResponse.SetTimeResolution(fTOFPIDParams->GetTOFresolution());
1669 AliInfo("TZERO resolution loaded from ESDrun/AODheader");
1670 Float_t t0Spread[4];
1671 for (Int_t i=0;i<4;i++) t0Spread[i]=fCurrentEvent->GetT0spread(i);
1672 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]));
1673 Float_t a = t0Spread[1]*t0Spread[1]-t0Spread[0]*t0Spread[0]+t0Spread[3]*t0Spread[3];
1674 Float_t c = t0Spread[2]*t0Spread[2]-t0Spread[0]*t0Spread[0]+t0Spread[3]*t0Spread[3];
1675 if ( (t0Spread[0] > 50. && t0Spread[0] < 400.) && (a > 0.) && (c>0.)) {
1676 fResT0AC=t0Spread[3];
1677 fResT0A=TMath::Sqrt(a);
1678 fResT0C=TMath::Sqrt(c);
1680 AliInfo(" TZERO spreads not present or inconsistent, loading default");
1685 AliInfo(Form(" TZERO resolution set to: T0A: %f [ps] T0C: %f [ps] T0AC %f [ps]",fResT0A,fResT0C,fResT0AC));
1689 //______________________________________________________________________________
1690 void AliPIDResponse::SetHMPIDPidResponseMaster()
1693 // Load the HMPID pid params from the OADB
1696 if (fHMPIDPIDParams) delete fHMPIDPIDParams;
1697 fHMPIDPIDParams=NULL;
1700 if(!fIsMC) oadbf = new TFile(Form("%s/COMMON/PID/data/HMPIDPIDParams.root",fOADBPath.Data()));
1701 else oadbf = new TFile(Form("%s/COMMON/PID/MC/HMPIDPIDParams.root",fOADBPath.Data()));
1702 if (oadbf && oadbf->IsOpen()) {
1703 AliInfo(Form("Loading HMPID Params from %s/COMMON/PID/data/HMPIDPIDParams.root", fOADBPath.Data()));
1704 AliOADBContainer *oadbc = (AliOADBContainer *)oadbf->Get("HMPoadb");
1705 if (oadbc) fHMPIDPIDParams = dynamic_cast<AliHMPIDPIDParams *>(oadbc->GetObject(fRun,"HMPparams"));
1711 if (!fHMPIDPIDParams) AliFatal("HMPIDPIDParams could not be retrieved");
1714 //______________________________________________________________________________
1715 void AliPIDResponse::InitializeHMPIDResponse(){
1717 // Set PID Params to the HMPID PID response
1720 fHMPIDResponse.SetRefIndexArray(fHMPIDPIDParams->GetHMPIDrefIndex());
1723 //______________________________________________________________________________
1724 Bool_t AliPIDResponse::IdentifiedAsElectronTRD(const AliVTrack *vtrack,Double_t efficiencyLevel,Double_t centrality,AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const {
1725 // old function for compatibility
1727 return IdentifiedAsElectronTRD(vtrack,ntracklets,efficiencyLevel,centrality,PIDmethod);
1730 //______________________________________________________________________________
1731 Bool_t AliPIDResponse::IdentifiedAsElectronTRD(const AliVTrack *vtrack, Int_t &ntracklets,Double_t efficiencyLevel,Double_t centrality,AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const {
1733 // Check whether track is identified as electron under a given electron efficiency hypothesis
1735 // ntracklets is the number of tracklets that has been used to calculate the PID signal
1737 Double_t probs[AliPID::kSPECIES];
1739 ntracklets =CalculateTRDResponse(vtrack,probs,PIDmethod);
1741 // Take mean of the TRD momenta in the given tracklets
1742 Float_t p = 0, trdmomenta[AliVTrack::kTRDnPlanes];
1744 for(Int_t iPl=0;iPl<AliVTrack::kTRDnPlanes;iPl++){
1745 if(vtrack->GetTRDmomentum(iPl) > 0.){
1746 trdmomenta[nmomenta++] = vtrack->GetTRDmomentum(iPl);
1749 p = TMath::Mean(nmomenta, trdmomenta);
1751 return fTRDResponse.IdentifiedAsElectron(ntracklets, probs, p, efficiencyLevel,centrality,PIDmethod);
1754 //______________________________________________________________________________
1755 void AliPIDResponse::SetEMCALPidResponseMaster()
1758 // Load the EMCAL pid response functions from the OADB
1760 TObjArray* fEMCALPIDParamsRun = NULL;
1761 TObjArray* fEMCALPIDParamsPass = NULL;
1763 if(fEMCALPIDParams) return;
1764 AliOADBContainer contParams("contParams");
1766 Int_t statusPars = contParams.InitFromFile(Form("%s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()), "AliEMCALPIDParams");
1768 AliError("Failed initializing PID Params from OADB");
1771 AliInfo(Form("Loading EMCAL Params from %s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()));
1773 fEMCALPIDParamsRun = dynamic_cast<TObjArray *>(contParams.GetObject(fRun));
1774 if(fEMCALPIDParamsRun) fEMCALPIDParamsPass = dynamic_cast<TObjArray *>(fEMCALPIDParamsRun->FindObject(Form("pass%d",fRecoPass)));
1775 if(fEMCALPIDParamsPass) fEMCALPIDParams = dynamic_cast<TObjArray *>(fEMCALPIDParamsPass->FindObject(Form("EMCALPIDParams_Particles")));
1777 if(!fEMCALPIDParams){
1778 AliInfo(Form("EMCAL Params not found in run %d pass %d", fRun, fRecoPass));
1779 AliInfo("Will take the standard LHC11d instead ...");
1781 fEMCALPIDParamsRun = dynamic_cast<TObjArray *>(contParams.GetObject(156477));
1782 if(fEMCALPIDParamsRun) fEMCALPIDParamsPass = dynamic_cast<TObjArray *>(fEMCALPIDParamsRun->FindObject(Form("pass%d",1)));
1783 if(fEMCALPIDParamsPass) fEMCALPIDParams = dynamic_cast<TObjArray *>(fEMCALPIDParamsPass->FindObject(Form("EMCALPIDParams_Particles")));
1785 if(!fEMCALPIDParams){
1786 AliError(Form("DEFAULT EMCAL Params (LHC11d) not found in file %s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()));
1792 //______________________________________________________________________________
1793 void AliPIDResponse::InitializeEMCALResponse(){
1795 // Set PID Params to the EMCAL PID response
1797 fEMCALResponse.SetPIDParams(fEMCALPIDParams);
1801 //______________________________________________________________________________
1802 void AliPIDResponse::FillTrackDetectorPID(const AliVTrack *track, EDetector detector) const
1805 // create detector PID information and setup the transient pointer in the track
1808 // check if detector number is inside accepted range
1809 if (detector == kNdetectors) return;
1812 AliDetectorPID *detPID=const_cast<AliDetectorPID*>(track->GetDetectorPID());
1814 detPID=new AliDetectorPID;
1815 (const_cast<AliVTrack*>(track))->SetDetectorPID(detPID);
1818 //check if values exist
1819 if (detPID->HasRawProbability(detector) && detPID->HasNumberOfSigmas(detector)) return;
1821 //TODO: which particles to include? See also the loops below...
1822 Double_t values[AliPID::kSPECIESC]={0};
1825 EDetPidStatus status=GetComputePIDProbability(detector,track,AliPID::kSPECIESC,values);
1826 detPID->SetRawProbability(detector, values, (Int_t)AliPID::kSPECIESC, status);
1829 for (Int_t ipart=0; ipart<AliPID::kSPECIESC; ++ipart)
1830 values[ipart]=GetNumberOfSigmas(detector,track,(AliPID::EParticleType)ipart);
1831 // the pid status is the same for probabilities and nSigmas, so it is
1832 // fine to use the one from the probabilities also here
1833 detPID->SetNumberOfSigmas(detector, values, (Int_t)AliPID::kSPECIESC, status);
1837 //______________________________________________________________________________
1838 void AliPIDResponse::FillTrackDetectorPID()
1841 // create detector PID information and setup the transient pointer in the track
1844 if (!fCurrentEvent) return;
1846 for (Int_t itrack=0; itrack<fCurrentEvent->GetNumberOfTracks(); ++itrack){
1847 AliVTrack *track=dynamic_cast<AliVTrack*>(fCurrentEvent->GetTrack(itrack));
1848 if (!track) continue;
1850 for (Int_t idet=0; idet<kNdetectors; ++idet){
1851 FillTrackDetectorPID(track, (EDetector)idet);
1856 //______________________________________________________________________________
1857 void AliPIDResponse::SetTOFResponse(AliVEvent *vevent,EStartTimeType_t option){
1859 // Set TOF response function
1860 // Input option for event_time used
1863 Float_t t0spread = 0.; //vevent->GetEventTimeSpread();
1864 if(t0spread < 10) t0spread = 80;
1866 // T0-FILL and T0-TO offset (because of TOF misallignment
1867 Float_t starttimeoffset = 0;
1868 if(fTOFPIDParams && !(fIsMC)) starttimeoffset=fTOFPIDParams->GetTOFtimeOffset();
1870 fTOFtail = fTOFPIDParams->GetTOFtail();
1871 GetTOFResponse().SetTOFtail(fTOFtail);
1874 // T0 from TOF algorithm
1875 Bool_t flagT0TOF=kFALSE;
1876 Bool_t flagT0T0=kFALSE;
1877 Float_t *startTime = new Float_t[fTOFResponse.GetNmomBins()];
1878 Float_t *startTimeRes = new Float_t[fTOFResponse.GetNmomBins()];
1879 Int_t *startTimeMask = new Int_t[fTOFResponse.GetNmomBins()];
1882 Float_t *estimatedT0event = new Float_t[fTOFResponse.GetNmomBins()];
1883 Float_t *estimatedT0resolution = new Float_t[fTOFResponse.GetNmomBins()];
1884 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1885 estimatedT0event[i]=0.0;
1886 estimatedT0resolution[i]=0.0;
1887 startTimeMask[i] = 0;
1890 Float_t resT0A=fResT0A;
1891 Float_t resT0C=fResT0C;
1892 Float_t resT0AC=fResT0AC;
1893 if(vevent->GetT0TOF()){ // check if T0 detector information is available
1898 AliTOFHeader *tofHeader = (AliTOFHeader*)vevent->GetTOFHeader();
1900 if (tofHeader) { // read global info and T0-TOF
1901 fTOFResponse.SetTimeResolution(tofHeader->GetTOFResolution());
1902 t0spread = tofHeader->GetT0spread(); // read t0 sprad
1903 if(t0spread < 10) t0spread = 80;
1906 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ // read T0-TOF default value
1907 startTime[i]=tofHeader->GetDefaultEventTimeVal();
1908 startTimeRes[i]=tofHeader->GetDefaultEventTimeRes();
1909 if(startTimeRes[i] < 1.e-5) startTimeRes[i] = t0spread;
1911 if(startTimeRes[i] > t0spread - 10 && TMath::Abs(startTime[i]) < 0.001) startTime[i] = -starttimeoffset; // apply offset for T0-fill
1914 TArrayI *ibin=(TArrayI*)tofHeader->GetNvalues();
1915 TArrayF *t0Bin=(TArrayF*)tofHeader->GetEventTimeValues();
1916 TArrayF *t0ResBin=(TArrayF*)tofHeader->GetEventTimeRes();
1917 for(Int_t j=0;j < tofHeader->GetNbins();j++){ // fill T0-TOF in p-bins
1918 Int_t icurrent = (Int_t)ibin->GetAt(j);
1919 startTime[icurrent]=t0Bin->GetAt(j);
1920 startTimeRes[icurrent]=t0ResBin->GetAt(j);
1921 if(startTimeRes[icurrent] < 1.e-5) startTimeRes[icurrent] = t0spread;
1922 if(startTimeRes[icurrent] > t0spread - 10 && TMath::Abs(startTime[icurrent]) < 0.001) startTime[icurrent] = -starttimeoffset; // apply offset for T0-fill
1926 // for cut of 3 sigma on t0 spread
1927 Float_t t0cut = 3 * t0spread;
1928 if(t0cut < 500) t0cut = 500;
1930 if(option == kFILL_T0){ // T0-FILL is used
1931 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1932 estimatedT0event[i]=0.0-starttimeoffset;
1933 estimatedT0resolution[i]=t0spread;
1935 fTOFResponse.SetT0event(estimatedT0event);
1936 fTOFResponse.SetT0resolution(estimatedT0resolution);
1939 if(option == kTOF_T0){ // T0-TOF is used when available (T0-FILL otherwise) from ESD
1941 fTOFResponse.SetT0event(startTime);
1942 fTOFResponse.SetT0resolution(startTimeRes);
1943 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1944 if(startTimeRes[i]<t0spread) startTimeMask[i]=1;
1945 fTOFResponse.SetT0binMask(i,startTimeMask[i]);
1949 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1950 estimatedT0event[i]=0.0-starttimeoffset;
1951 estimatedT0resolution[i]=t0spread;
1952 fTOFResponse.SetT0binMask(i,startTimeMask[i]);
1954 fTOFResponse.SetT0event(estimatedT0event);
1955 fTOFResponse.SetT0resolution(estimatedT0resolution);
1958 else if(option == kBest_T0){ // T0-T0 or T0-TOF are used when available (T0-FILL otherwise) from ESD
1959 Float_t t0AC=-10000;
1963 t0A= vevent->GetT0TOF()[1] - starttimeoffset;
1964 t0C= vevent->GetT0TOF()[2] - starttimeoffset;
1965 // t0AC= vevent->GetT0TOF()[0];
1966 t0AC= t0A/resT0A/resT0A + t0C/resT0C/resT0C;
1967 resT0AC= TMath::Sqrt(1./resT0A/resT0A + 1./resT0C/resT0C);
1968 t0AC /= resT0AC*resT0AC;
1971 Float_t t0t0Best = 0;
1972 Float_t t0t0BestRes = 9999;
1974 if(TMath::Abs(t0A) < t0cut && TMath::Abs(t0C) < t0cut && TMath::Abs(t0C-t0A) < 500){
1976 t0t0BestRes = resT0AC;
1979 else if(TMath::Abs(t0C) < t0cut){
1981 t0t0BestRes = resT0C;
1984 else if(TMath::Abs(t0A) < t0cut){
1986 t0t0BestRes = resT0A;
1990 if(flagT0TOF){ // if T0-TOF info is available
1991 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1992 if(t0t0BestRes < 999){
1993 if(startTimeRes[i] < t0spread){
1994 Double_t wtot = 1./startTimeRes[i]/startTimeRes[i] + 1./t0t0BestRes/t0t0BestRes;
1995 Double_t t0best = startTime[i]/startTimeRes[i]/startTimeRes[i] + t0t0Best/t0t0BestRes/t0t0BestRes;
1996 estimatedT0event[i]=t0best / wtot;
1997 estimatedT0resolution[i]=1./TMath::Sqrt(wtot);
1998 startTimeMask[i] = t0used+1;
2001 estimatedT0event[i]=t0t0Best;
2002 estimatedT0resolution[i]=t0t0BestRes;
2003 startTimeMask[i] = t0used;
2007 estimatedT0event[i]=startTime[i];
2008 estimatedT0resolution[i]=startTimeRes[i];
2009 if(startTimeRes[i]<t0spread) startTimeMask[i]=1;
2011 fTOFResponse.SetT0binMask(i,startTimeMask[i]);
2013 fTOFResponse.SetT0event(estimatedT0event);
2014 fTOFResponse.SetT0resolution(estimatedT0resolution);
2016 else{ // if no T0-TOF info is available
2017 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
2018 fTOFResponse.SetT0binMask(i,t0used);
2019 if(t0t0BestRes < 999){
2020 estimatedT0event[i]=t0t0Best;
2021 estimatedT0resolution[i]=t0t0BestRes;
2024 estimatedT0event[i]=0.0-starttimeoffset;
2025 estimatedT0resolution[i]=t0spread;
2028 fTOFResponse.SetT0event(estimatedT0event);
2029 fTOFResponse.SetT0resolution(estimatedT0resolution);
2033 else if(option == kT0_T0){ // T0-T0 is used when available (T0-FILL otherwise)
2034 Float_t t0AC=-10000;
2038 t0A= vevent->GetT0TOF()[1] - starttimeoffset;
2039 t0C= vevent->GetT0TOF()[2] - starttimeoffset;
2040 // t0AC= vevent->GetT0TOF()[0];
2041 t0AC= t0A/resT0A/resT0A + t0C/resT0C/resT0C;
2042 resT0AC= TMath::Sqrt(1./resT0A/resT0A + 1./resT0C/resT0C);
2043 t0AC /= resT0AC*resT0AC;
2046 if(TMath::Abs(t0A) < t0cut && TMath::Abs(t0C) < t0cut && TMath::Abs(t0C-t0A) < 500){
2047 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
2048 estimatedT0event[i]=t0AC;
2049 estimatedT0resolution[i]=resT0AC;
2050 fTOFResponse.SetT0binMask(i,6);
2053 else if(TMath::Abs(t0C) < t0cut){
2054 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
2055 estimatedT0event[i]=t0C;
2056 estimatedT0resolution[i]=resT0C;
2057 fTOFResponse.SetT0binMask(i,4);
2060 else if(TMath::Abs(t0A) < t0cut){
2061 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
2062 estimatedT0event[i]=t0A;
2063 estimatedT0resolution[i]=resT0A;
2064 fTOFResponse.SetT0binMask(i,2);
2068 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
2069 estimatedT0event[i]= 0.0 - starttimeoffset;
2070 estimatedT0resolution[i]=t0spread;
2071 fTOFResponse.SetT0binMask(i,0);
2074 fTOFResponse.SetT0event(estimatedT0event);
2075 fTOFResponse.SetT0resolution(estimatedT0resolution);
2078 delete [] startTime;
2079 delete [] startTimeRes;
2080 delete [] startTimeMask;
2081 delete [] estimatedT0event;
2082 delete [] estimatedT0resolution;
2085 //______________________________________________________________________________
2086 // private non cached versions of the PID calculation
2090 //______________________________________________________________________________
2091 Float_t AliPIDResponse::GetNumberOfSigmas(EDetector detector, const AliVParticle *vtrack, AliPID::EParticleType type) const
2094 // NumberOfSigmas for 'detCode'
2097 const AliVTrack *track=static_cast<const AliVTrack*>(vtrack);
2100 case kITS: return GetNumberOfSigmasITS(track, type); break;
2101 case kTPC: return GetNumberOfSigmasTPC(track, type); break;
2102 case kTRD: return GetNumberOfSigmasTRD(track, type); break;
2103 case kTOF: return GetNumberOfSigmasTOF(track, type); break;
2104 case kHMPID: return GetNumberOfSigmasHMPID(track, type); break;
2105 case kEMCAL: return GetNumberOfSigmasEMCAL(track, type); break;
2106 default: return -999.;
2112 //______________________________________________________________________________
2113 Float_t AliPIDResponse::GetNumberOfSigmasITS(const AliVParticle *vtrack, AliPID::EParticleType type) const
2116 // Calculate the number of sigmas in the ITS
2119 AliVTrack *track=(AliVTrack*)vtrack;
2121 const EDetPidStatus pidStatus=GetITSPIDStatus(track);
2122 if (pidStatus!=kDetPidOk) return -999.;
2124 return fITSResponse.GetNumberOfSigmas(track,type);
2127 //______________________________________________________________________________
2128 Float_t AliPIDResponse::GetNumberOfSigmasTPC(const AliVParticle *vtrack, AliPID::EParticleType type) const
2131 // Calculate the number of sigmas in the TPC
2134 AliVTrack *track=(AliVTrack*)vtrack;
2136 const EDetPidStatus pidStatus=GetTPCPIDStatus(track);
2137 if (pidStatus==kDetNoSignal) return -999.;
2139 // the following call is needed in order to fill the transient data member
2140 // fTPCsignalTuned which is used in the TPCPIDResponse to judge
2141 // if using tuned on data
2142 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))
2143 this->GetTPCsignalTunedOnData(track);
2145 return fTPCResponse.GetNumberOfSigmas(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
2148 //______________________________________________________________________________
2149 Float_t AliPIDResponse::GetNumberOfSigmasTRD(const AliVParticle *vtrack, AliPID::EParticleType type) const
2152 // Calculate the number of sigmas in the TRD
2155 AliVTrack *track=(AliVTrack*)vtrack;
2157 const EDetPidStatus pidStatus=GetTRDPIDStatus(track);
2158 if (pidStatus!=kDetPidOk) return -999.;
2160 return fTRDResponse.GetNumberOfSigmas(track,type);
2163 //______________________________________________________________________________
2164 Float_t AliPIDResponse::GetNumberOfSigmasTOF(const AliVParticle *vtrack, AliPID::EParticleType type) const
2167 // Calculate the number of sigmas in the TOF
2170 AliVTrack *track=(AliVTrack*)vtrack;
2172 const EDetPidStatus pidStatus=GetTOFPIDStatus(track);
2173 if (pidStatus!=kDetPidOk) return -999.;
2175 return GetNumberOfSigmasTOFold(vtrack, type);
2177 //______________________________________________________________________________
2179 Float_t AliPIDResponse::GetNumberOfSigmasHMPID(const AliVParticle *vtrack, AliPID::EParticleType type) const
2182 // Calculate the number of sigmas in the HMPID
2184 AliVTrack *track=(AliVTrack*)vtrack;
2186 const EDetPidStatus pidStatus=GetHMPIDPIDStatus(track);
2187 if (pidStatus!=kDetPidOk) return -999.;
2189 return fHMPIDResponse.GetNumberOfSigmas(track, type);
2192 //______________________________________________________________________________
2193 Float_t AliPIDResponse::GetNumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type) const
2196 // Calculate the number of sigmas in the EMCAL
2199 AliVTrack *track=(AliVTrack*)vtrack;
2201 const EDetPidStatus pidStatus=GetEMCALPIDStatus(track);
2202 if (pidStatus!=kDetPidOk) return -999.;
2204 const Int_t nMatchClus = track->GetEMCALcluster();
2205 AliVCluster *matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
2207 const Double_t mom = track->P();
2208 const Double_t pt = track->Pt();
2209 const Int_t charge = track->Charge();
2210 const Double_t fClsE = matchedClus->E();
2211 const Double_t EovP = fClsE/mom;
2213 return fEMCALResponse.GetNumberOfSigmas(pt,EovP,type,charge);
2216 //______________________________________________________________________________
2217 AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaITS(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
2220 // Signal minus expected Signal for ITS
2222 AliVTrack *track=(AliVTrack*)vtrack;
2223 val=fITSResponse.GetSignalDelta(track,type,ratio);
2225 return GetITSPIDStatus(track);
2228 //______________________________________________________________________________
2229 AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaTPC(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
2232 // Signal minus expected Signal for TPC
2234 AliVTrack *track=(AliVTrack*)vtrack;
2236 // the following call is needed in order to fill the transient data member
2237 // fTPCsignalTuned which is used in the TPCPIDResponse to judge
2238 // if using tuned on data
2239 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))
2240 this->GetTPCsignalTunedOnData(track);
2242 val=fTPCResponse.GetSignalDelta(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection, ratio);
2244 return GetTPCPIDStatus(track);
2247 //______________________________________________________________________________
2248 AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaTRD(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
2251 // Signal minus expected Signal for TRD
2253 AliVTrack *track=(AliVTrack*)vtrack;
2254 val=fTRDResponse.GetSignalDelta(track,type,ratio);
2256 return GetTRDPIDStatus(track);
2259 //______________________________________________________________________________
2260 AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaTOF(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
2263 // Signal minus expected Signal for TOF
2265 AliVTrack *track=(AliVTrack*)vtrack;
2266 val=GetSignalDeltaTOFold(track, type, ratio);
2268 return GetTOFPIDStatus(track);
2271 //______________________________________________________________________________
2272 AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaHMPID(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
2275 // Signal minus expected Signal for HMPID
2277 AliVTrack *track=(AliVTrack*)vtrack;
2278 val=fHMPIDResponse.GetSignalDelta(track, type, ratio);
2280 return GetHMPIDPIDStatus(track);
2283 //______________________________________________________________________________
2284 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputePIDProbability (EDetector detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2287 // Compute PID response of 'detCode'
2291 case kITS: return GetComputeITSProbability(track, nSpecies, p); break;
2292 case kTPC: return GetComputeTPCProbability(track, nSpecies, p); break;
2293 case kTRD: return GetComputeTRDProbability(track, nSpecies, p); break;
2294 case kTOF: return GetComputeTOFProbability(track, nSpecies, p); break;
2295 case kPHOS: return GetComputePHOSProbability(track, nSpecies, p); break;
2296 case kEMCAL: return GetComputeEMCALProbability(track, nSpecies, p); break;
2297 case kHMPID: return GetComputeHMPIDProbability(track, nSpecies, p); break;
2298 default: return kDetNoSignal;
2302 //______________________________________________________________________________
2303 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2306 // Compute PID response for the ITS
2309 // set flat distribution (no decision)
2310 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2312 const EDetPidStatus pidStatus=GetITSPIDStatus(track);
2313 if (pidStatus!=kDetPidOk) return pidStatus;
2315 if (track->GetDetectorPID()){
2316 return track->GetDetectorPID()->GetRawProbability(kITS, p, nSpecies);
2319 //check for ITS standalone tracks
2321 if( track->GetStatus() & AliVTrack::kTPCin ) isSA=kFALSE;
2323 Double_t mom=track->P();
2324 Double_t dedx=track->GetITSsignal();
2325 Double_t momITS=mom;
2326 UChar_t clumap=track->GetITSClusterMap();
2327 Int_t nPointsForPid=0;
2328 for(Int_t i=2; i<6; i++){
2329 if(clumap&(1<<i)) ++nPointsForPid;
2332 Bool_t mismatch=kTRUE/*, heavy=kTRUE*/;
2333 for (Int_t j=0; j<nSpecies; j++) {
2334 Double_t mass=AliPID::ParticleMassZ(j);//GeV/c^2
2335 const Double_t chargeFactor = TMath::Power(AliPID::ParticleCharge(j),2.);
2336 Double_t bethe=fITSResponse.Bethe(momITS,mass)*chargeFactor;
2337 //TODO: in case of the electron, use the SA parametrisation,
2338 // this needs to be changed if ITS provides a parametrisation
2339 // for electrons also for ITS+TPC tracks
2340 Double_t sigma=fITSResponse.GetResolution(bethe,nPointsForPid,isSA || (j==(Int_t)AliPID::kElectron));
2341 if (TMath::Abs(dedx-bethe) > fRange*sigma) {
2342 p[j]=TMath::Exp(-0.5*fRange*fRange)/sigma;
2344 p[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma;
2350 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2355 //______________________________________________________________________________
2356 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2359 // Compute PID response for the TPC
2362 // set flat distribution (no decision)
2363 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2365 const EDetPidStatus pidStatus=GetTPCPIDStatus(track);
2366 if (pidStatus==kDetNoSignal) return pidStatus;
2368 Double_t dedx=track->GetTPCsignal();
2369 Bool_t mismatch=kTRUE/*, heavy=kTRUE*/;
2371 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) dedx = this->GetTPCsignalTunedOnData(track);
2373 Double_t bethe = 0.;
2374 Double_t sigma = 0.;
2376 for (Int_t j=0; j<nSpecies; j++) {
2377 AliPID::EParticleType type=AliPID::EParticleType(j);
2379 bethe=fTPCResponse.GetExpectedSignal(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
2380 sigma=fTPCResponse.GetExpectedSigma(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
2382 if (TMath::Abs(dedx-bethe) > fRange*sigma) {
2383 p[j]=TMath::Exp(-0.5*fRange*fRange)/sigma;
2385 p[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma;
2391 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2396 //______________________________________________________________________________
2397 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2400 // Compute PID probabilities for TOF
2403 fgTOFmismatchProb = 1E-8;
2405 // centrality --> fCurrCentrality
2406 // Beam type --> fBeamTypeNum
2407 // N TOF cluster --> TOF header --> to get the TOF header we need to add a virtual method in AliVTrack extended to ESD and AOD tracks
2410 Int_t nTOFcluster = 0;
2411 if(track->GetTOFHeader() && track->GetTOFHeader()->GetTriggerMask()){ // N TOF clusters available
2412 nTOFcluster = track->GetTOFHeader()->GetNumberOfTOFclusters();
2413 if(fIsMC) nTOFcluster *= 1.5; // +50% in MC
2416 switch(fBeamTypeNum){
2417 case kPP: // pp 7 TeV
2420 case kPPB: // pPb 5.05 ATeV
2421 nTOFcluster = 50 + (100-fCurrCentrality)*50;
2423 case kPBPB: // PbPb 2.76 ATeV
2424 nTOFcluster = 50 + (100-fCurrCentrality)*150;
2429 //fTOFResponse.GetMismatchProbability(track->GetTOFsignal(),track->Eta()) * 0.01; // for future implementation of mismatch (i.e. 1% mismatch that should be extended for PbPb, pPb)
2431 // set flat distribution (no decision)
2432 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2434 const EDetPidStatus pidStatus=GetTOFPIDStatus(track);
2435 if (pidStatus!=kDetPidOk) return pidStatus;
2437 const Double_t meanCorrFactor = 0.07/fTOFtail; // Correction factor on the mean because of the tail (should be ~ 0.1 with tail = 1.1)
2439 for (Int_t j=0; j<nSpecies; j++) {
2440 AliPID::EParticleType type=AliPID::EParticleType(j);
2441 const Double_t nsigmas=GetNumberOfSigmasTOFold(track,type) + meanCorrFactor;
2443 const Double_t expTime = fTOFResponse.GetExpectedSignal(track,type);
2444 const Double_t sig = fTOFResponse.GetExpectedSigma(track->P(),expTime,AliPID::ParticleMassZ(type));
2446 if(nsigmas < fTOFtail)
2447 p[j] = TMath::Exp(-0.5*nsigmas*nsigmas)/sig;
2449 p[j] = TMath::Exp(-(nsigmas - fTOFtail*0.5)*fTOFtail)/sig;
2451 p[j] += fgTOFmismatchProb;
2457 Int_t AliPIDResponse::CalculateTRDResponse(const AliVTrack *track,Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const
2459 // new function for backward compatibility
2460 // returns number of tracklets PID
2462 UInt_t TRDslicesForPID[2];
2463 SetTRDSlices(TRDslicesForPID,PIDmethod);
2465 Float_t mom[6]={0.};
2466 Double_t dedx[48]={0.}; // Allocate space for the maximum number of TRD slices
2467 Int_t nslices = TRDslicesForPID[1] - TRDslicesForPID[0] + 1;
2468 AliDebug(1, Form("First Slice: %d, Last Slice: %d, Number of slices: %d", TRDslicesForPID[0], TRDslicesForPID[1], nslices));
2469 for(UInt_t ilayer = 0; ilayer < 6; ilayer++){
2470 mom[ilayer] = track->GetTRDmomentum(ilayer);
2471 for(UInt_t islice = TRDslicesForPID[0]; islice <= TRDslicesForPID[1]; islice++){
2472 dedx[ilayer*nslices+islice-TRDslicesForPID[0]] = track->GetTRDslice(ilayer, islice);
2476 return fTRDResponse.GetResponse(nslices, dedx, mom, p,PIDmethod);
2479 //______________________________________________________________________________
2480 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const
2483 // Compute PID probabilities for the TRD
2486 // set flat distribution (no decision)
2487 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2489 const EDetPidStatus pidStatus=GetTRDPIDStatus(track);
2490 if (pidStatus!=kDetPidOk) return pidStatus;
2492 CalculateTRDResponse(track,p,PIDmethod);
2497 //______________________________________________________________________________
2498 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeEMCALProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2501 // Compute PID response for the EMCAL
2504 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2506 const EDetPidStatus pidStatus=GetEMCALPIDStatus(track);
2507 if (pidStatus!=kDetPidOk) return pidStatus;
2509 const Int_t nMatchClus = track->GetEMCALcluster();
2510 AliVCluster *matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
2512 const Double_t mom = track->P();
2513 const Double_t pt = track->Pt();
2514 const Int_t charge = track->Charge();
2515 const Double_t fClsE = matchedClus->E();
2516 const Double_t EovP = fClsE/mom;
2518 // compute the probabilities
2519 fEMCALResponse.ComputeEMCALProbability(nSpecies,pt,EovP,charge,p);
2523 //______________________________________________________________________________
2524 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputePHOSProbability (const AliVTrack */*track*/, Int_t nSpecies, Double_t p[]) const
2527 // Compute PID response for the PHOS
2530 // set flat distribution (no decision)
2531 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2532 return kDetNoSignal;
2535 //______________________________________________________________________________
2536 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2539 // Compute PID response for the HMPID
2542 // set flat distribution (no decision)
2543 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2545 const EDetPidStatus pidStatus=GetHMPIDPIDStatus(track);
2546 if (pidStatus!=kDetPidOk) return pidStatus;
2548 fHMPIDResponse.GetProbability(track,nSpecies,p);
2553 //______________________________________________________________________________
2554 AliPIDResponse::EDetPidStatus AliPIDResponse::GetITSPIDStatus(const AliVTrack *track) const
2556 // compute ITS pid status
2558 // check status bits
2559 if ((track->GetStatus()&AliVTrack::kITSin)==0 &&
2560 (track->GetStatus()&AliVTrack::kITSout)==0) return kDetNoSignal;
2562 const Float_t dEdx=track->GetITSsignal();
2563 if (dEdx<=0) return kDetNoSignal;
2565 // requite at least 3 pid clusters
2566 const UChar_t clumap=track->GetITSClusterMap();
2567 Int_t nPointsForPid=0;
2568 for(Int_t i=2; i<6; i++){
2569 if(clumap&(1<<i)) ++nPointsForPid;
2572 if(nPointsForPid<3) {
2573 return kDetNoSignal;
2579 //______________________________________________________________________________
2580 AliPIDResponse::EDetPidStatus AliPIDResponse:: GetTPCPIDStatus(const AliVTrack *track) const
2582 // compute TPC pid status
2584 // check quality of the track
2585 if ( (track->GetStatus()&AliVTrack::kTPCin )==0 && (track->GetStatus()&AliVTrack::kTPCout)==0 ) return kDetNoSignal;
2588 const Double_t dedx=track->GetTPCsignal();
2589 const UShort_t signalN=track->GetTPCsignalN();
2590 if (signalN<10 || dedx<10) return kDetNoSignal;
2592 if (!(fArrPidResponseMaster && fArrPidResponseMaster->At(AliPID::kPion))) return kDetNoParams;
2597 //______________________________________________________________________________
2598 AliPIDResponse::EDetPidStatus AliPIDResponse::GetTRDPIDStatus(const AliVTrack *track) const
2600 // compute TRD pid status
2602 if((track->GetStatus()&AliVTrack::kTRDout)==0) return kDetNoSignal;
2606 //______________________________________________________________________________
2607 AliPIDResponse::EDetPidStatus AliPIDResponse::GetTOFPIDStatus(const AliVTrack *track) const
2609 // compute TOF pid status
2611 if ((track->GetStatus()&AliVTrack::kTOFout)==0) return kDetNoSignal;
2612 if ((track->GetStatus()&AliVTrack::kTIME)==0) return kDetNoSignal;
2617 //______________________________________________________________________________
2618 Float_t AliPIDResponse::GetTOFMismatchProbability(const AliVTrack *track) const
2620 // compute mismatch probability cross-checking at 5 sigmas with TPC
2621 // currently just implemented as a 5 sigma compatibility cut
2623 if(!track) return fgTOFmismatchProb;
2626 const EDetPidStatus tofStatus=GetTOFPIDStatus(track);
2627 if (tofStatus!=kDetPidOk) return 0.;
2630 const EDetPidStatus tpcStatus=GetTPCPIDStatus(track);
2631 if (tpcStatus==kDetNoSignal) return 0.;
2633 const Double_t meanCorrFactor = 0.11/fTOFtail; // Correction factor on the mean because of the tail (should be ~ 0.1 with tail = 1.1)
2634 Bool_t mismatch = kTRUE/*, heavy = kTRUE*/;
2635 for (Int_t j=0; j<AliPID::kSPECIESC; j++) {
2636 AliPID::EParticleType type=AliPID::EParticleType(j);
2637 const Double_t nsigmas=GetNumberOfSigmasTOFold(track,type) + meanCorrFactor;
2639 if (TMath::Abs(nsigmas)<5.){
2640 const Double_t nsigmasTPC=GetNumberOfSigmasTPC(track,type);
2641 if (TMath::Abs(nsigmasTPC)<5.) mismatch=kFALSE;
2652 //______________________________________________________________________________
2653 AliPIDResponse::EDetPidStatus AliPIDResponse:: GetHMPIDPIDStatus(const AliVTrack *track) const
2655 // compute HMPID pid status
2657 Int_t ch = track->GetHMPIDcluIdx()/1000000;
2658 Double_t HMPIDsignal = track->GetHMPIDsignal();
2660 if((track->GetStatus()&AliVTrack::kHMPIDpid)==0 || ch<0 || ch>6 || HMPIDsignal<0) return kDetNoSignal;
2665 //______________________________________________________________________________
2666 AliPIDResponse::EDetPidStatus AliPIDResponse:: GetPHOSPIDStatus(const AliVTrack */*track*/) const
2668 // compute PHOS pid status
2669 return kDetNoSignal;
2672 //______________________________________________________________________________
2673 AliPIDResponse::EDetPidStatus AliPIDResponse:: GetEMCALPIDStatus(const AliVTrack *track) const
2675 // compute EMCAL pid status
2679 const Int_t nMatchClus = track->GetEMCALcluster();
2680 if (nMatchClus<0) return kDetNoSignal;
2682 AliVCluster *matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
2684 if (!(matchedClus && matchedClus->IsEMCAL())) return kDetNoSignal;
2686 const Int_t charge = track->Charge();
2687 if (TMath::Abs(charge)!=1) return kDetNoSignal;
2689 if (!(fEMCALPIDParams && fEMCALPIDParams->At(AliPID::kElectron))) return kDetNoParams;
2695 //______________________________________________________________________________
2696 AliPIDResponse::EDetPidStatus AliPIDResponse::GetPIDStatus(EDetector detector, const AliVTrack *track) const
2699 // check pid status for a track
2703 case kITS: return GetITSPIDStatus(track); break;
2704 case kTPC: return GetTPCPIDStatus(track); break;
2705 case kTRD: return GetTRDPIDStatus(track); break;
2706 case kTOF: return GetTOFPIDStatus(track); break;
2707 case kPHOS: return GetPHOSPIDStatus(track); break;
2708 case kEMCAL: return GetEMCALPIDStatus(track); break;
2709 case kHMPID: return GetHMPIDPIDStatus(track); break;
2710 default: return kDetNoSignal;
2712 return kDetNoSignal;
2716 //______________________________________________________________________________
2717 TString AliPIDResponse::GetChecksum(const TObject* obj) const
2719 // Return the checksum for an object obj (tested to work properly at least for histograms and TSplines).
2721 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!
2723 // For parallel processing, a unique file pathname is required. Uniqueness can be guaranteed by using a unique directory name
2725 TString uniquePathName = Form("tempChecksum_%u", index);
2727 // To get a unique path name, increase the index until no directory
2728 // of such a name exists.
2729 // NOTE: gSystem->AccessPathName(...) returns kTRUE, if the access FAILED!
2730 while (!gSystem->AccessPathName(uniquePathName.Data()))
2731 uniquePathName = Form("tempChecksum_%u", ++index);
2733 if (gSystem->mkdir(uniquePathName.Data()) < 0) {
2734 AliError("Could not create temporary directory to store temp file for checksum determination!");
2738 TString option = "";
2740 // Save object as a macro, which will be deleted immediately after the checksum has been computed
2741 // (does not work for desired data types if saved as *.root for some reason) - one only wants to compare the content, not
2742 // the modification time etc. ...
2743 if (dynamic_cast<const TH1*>(obj))
2744 option = "colz"; // Histos need this option, since w/o this option, a counter is added to the filename
2747 // SaveAs must be called with the fixed fileName only, since the first argument goes into the file content
2748 // for some object types. Thus, change the directory, save the file and then go back
2749 TString oldDir = gSystem->pwd();
2750 gSystem->cd(uniquePathName.Data());
2751 obj->SaveAs(fileName.Data(), option.Data());
2752 gSystem->cd(oldDir.Data());
2754 // Use the file to calculate the MD5 checksum
2755 TMD5* md5 = TMD5::FileChecksum(Form("%s/%s", uniquePathName.Data(), fileName.Data()));
2756 TString checksum = md5->AsString();
2760 gSystem->Exec(Form("rm -rf %s", uniquePathName.Data()));