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Refined the tuning of the TOF tail parameterization for analysis (in particular for...
[u/mrichter/AliRoot.git] / STEER / STEERBase / AliPIDResponse.cxx
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29bf19f2 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
4ec8e76d 16/* $Id: AliPIDResponse.cxx 46193 2010-12-21 09:00:14Z wiechula $ */
29bf19f2 17
18//-----------------------------------------------------------------
4ec8e76d 19// Base class for handling the pid response //
20// functions of all detectors //
21// and give access to the nsigmas //
22// //
23// Origin: Jens Wiechula, Uni Tuebingen, jens.wiechula@cern.ch //
29bf19f2 24//-----------------------------------------------------------------
25
4ec8e76d 26#include <TList.h>
27#include <TObjArray.h>
28#include <TPRegexp.h>
29#include <TF1.h>
f84b18dd 30#include <TH2D.h>
4ec8e76d 31#include <TSpline.h>
32#include <TFile.h>
00a38d07 33#include <TArrayI.h>
db0e2c5f 34#include <TArrayF.h>
f84b18dd 35#include <TLinearFitter.h>
4ec8e76d 36
37#include <AliVEvent.h>
fd21ec8d 38#include <AliVTrack.h>
4ec8e76d 39#include <AliLog.h>
40#include <AliPID.h>
ea235c90 41#include <AliOADBContainer.h>
db0e2c5f 42#include <AliTRDPIDResponseObject.h>
b79db598 43#include <AliTOFPIDParams.h>
567624b5 44#include <AliHMPIDPIDParams.h>
29bf19f2 45
46#include "AliPIDResponse.h"
00a38d07 47#include "AliDetectorPID.h"
29bf19f2 48
80f28562 49#include "AliCentrality.h"
50
29bf19f2 51ClassImp(AliPIDResponse);
52
4ec8e76d 53AliPIDResponse::AliPIDResponse(Bool_t isMC/*=kFALSE*/) :
54TNamed("PIDResponse","PIDResponse"),
55fITSResponse(isMC),
56fTPCResponse(),
57fTRDResponse(),
58fTOFResponse(),
567624b5 59fHMPIDResponse(),
e96b9916 60fEMCALResponse(),
fd21ec8d 61fRange(5.),
62fITSPIDmethod(kITSTruncMean),
1ceae0ac 63fTuneMConData(kFALSE),
64fTuneMConDataMask(kDetTOF|kDetTPC),
4ec8e76d 65fIsMC(isMC),
1c9d11be 66fCachePID(kTRUE),
4ec8e76d 67fOADBPath(),
00a38d07 68fCustomTPCpidResponse(),
4ec8e76d 69fBeamType("PP"),
70fLHCperiod(),
71fMCperiodTPC(),
fd21ec8d 72fMCperiodUser(),
ea235c90 73fCurrentFile(),
87da0205 74fCurrentAliRootRev(-1),
4ec8e76d 75fRecoPass(0),
fd21ec8d 76fRecoPassUser(-1),
1ceae0ac 77fRun(-1),
1b9e31a6 78fOldRun(-1),
78cbd205 79fResT0A(75.),
80fResT0C(65.),
81fResT0AC(55.),
644666df 82fArrPidResponseMaster(NULL),
83fResolutionCorrection(NULL),
84fOADBvoltageMaps(NULL),
87da0205 85fUseTPCEtaCorrection(kFALSE),
86fUseTPCMultiplicityCorrection(kFALSE),
644666df 87fTRDPIDResponseObject(NULL),
c5fb644a 88fTOFtail(0.9),
644666df 89fTOFPIDParams(NULL),
567624b5 90fHMPIDPIDParams(NULL),
644666df 91fEMCALPIDParams(NULL),
92fCurrentEvent(NULL),
1ceae0ac 93fCurrCentrality(0.0)
4ec8e76d 94{
95 //
96 // default ctor
97 //
a635821f 98 AliLog::SetClassDebugLevel("AliPIDResponse",0);
99 AliLog::SetClassDebugLevel("AliESDpid",0);
100 AliLog::SetClassDebugLevel("AliAODpidUtil",0);
ea235c90 101
4ec8e76d 102}
103
104//______________________________________________________________________________
105AliPIDResponse::~AliPIDResponse()
106{
107 //
108 // dtor
109 //
00a38d07 110 delete fArrPidResponseMaster;
111 delete fTRDPIDResponseObject;
112 delete fTOFPIDParams;
4ec8e76d 113}
114
115//______________________________________________________________________________
116AliPIDResponse::AliPIDResponse(const AliPIDResponse &other) :
117TNamed(other),
118fITSResponse(other.fITSResponse),
119fTPCResponse(other.fTPCResponse),
120fTRDResponse(other.fTRDResponse),
121fTOFResponse(other.fTOFResponse),
567624b5 122fHMPIDResponse(other.fHMPIDResponse),
e96b9916 123fEMCALResponse(other.fEMCALResponse),
fd21ec8d 124fRange(other.fRange),
125fITSPIDmethod(other.fITSPIDmethod),
1ceae0ac 126fTuneMConData(other.fTuneMConData),
127fTuneMConDataMask(other.fTuneMConDataMask),
4ec8e76d 128fIsMC(other.fIsMC),
1c9d11be 129fCachePID(other.fCachePID),
4ec8e76d 130fOADBPath(other.fOADBPath),
00a38d07 131fCustomTPCpidResponse(other.fCustomTPCpidResponse),
4ec8e76d 132fBeamType("PP"),
133fLHCperiod(),
134fMCperiodTPC(),
fd21ec8d 135fMCperiodUser(other.fMCperiodUser),
ea235c90 136fCurrentFile(),
87da0205 137fCurrentAliRootRev(other.fCurrentAliRootRev),
4ec8e76d 138fRecoPass(0),
fd21ec8d 139fRecoPassUser(other.fRecoPassUser),
1ceae0ac 140fRun(-1),
1b9e31a6 141fOldRun(-1),
78cbd205 142fResT0A(75.),
143fResT0C(65.),
144fResT0AC(55.),
644666df 145fArrPidResponseMaster(NULL),
146fResolutionCorrection(NULL),
147fOADBvoltageMaps(NULL),
f84b18dd 148fUseTPCEtaCorrection(other.fUseTPCEtaCorrection),
87da0205 149fUseTPCMultiplicityCorrection(other.fUseTPCMultiplicityCorrection),
644666df 150fTRDPIDResponseObject(NULL),
c5fb644a 151fTOFtail(0.9),
644666df 152fTOFPIDParams(NULL),
567624b5 153fHMPIDPIDParams(NULL),
644666df 154fEMCALPIDParams(NULL),
155fCurrentEvent(NULL),
1ceae0ac 156fCurrCentrality(0.0)
4ec8e76d 157{
158 //
159 // copy ctor
160 //
161}
162
163//______________________________________________________________________________
164AliPIDResponse& AliPIDResponse::operator=(const AliPIDResponse &other)
165{
166 //
167 // copy ctor
168 //
169 if(this!=&other) {
170 delete fArrPidResponseMaster;
171 TNamed::operator=(other);
172 fITSResponse=other.fITSResponse;
173 fTPCResponse=other.fTPCResponse;
174 fTRDResponse=other.fTRDResponse;
175 fTOFResponse=other.fTOFResponse;
567624b5 176 fHMPIDResponse=other.fHMPIDResponse;
e96b9916 177 fEMCALResponse=other.fEMCALResponse;
fd21ec8d 178 fRange=other.fRange;
179 fITSPIDmethod=other.fITSPIDmethod;
4ec8e76d 180 fOADBPath=other.fOADBPath;
00a38d07 181 fCustomTPCpidResponse=other.fCustomTPCpidResponse;
1ceae0ac 182 fTuneMConData=other.fTuneMConData;
183 fTuneMConDataMask=other.fTuneMConDataMask;
4ec8e76d 184 fIsMC=other.fIsMC;
1c9d11be 185 fCachePID=other.fCachePID;
4ec8e76d 186 fBeamType="PP";
187 fLHCperiod="";
188 fMCperiodTPC="";
fd21ec8d 189 fMCperiodUser=other.fMCperiodUser;
ea235c90 190 fCurrentFile="";
87da0205 191 fCurrentAliRootRev=other.fCurrentAliRootRev;
4ec8e76d 192 fRecoPass=0;
fd21ec8d 193 fRecoPassUser=other.fRecoPassUser;
1ceae0ac 194 fRun=-1;
1b9e31a6 195 fOldRun=-1;
78cbd205 196 fResT0A=75.;
197 fResT0C=65.;
198 fResT0AC=55.;
644666df 199 fArrPidResponseMaster=NULL;
200 fResolutionCorrection=NULL;
201 fOADBvoltageMaps=NULL;
1ceae0ac 202 fUseTPCEtaCorrection=other.fUseTPCEtaCorrection;
87da0205 203 fUseTPCMultiplicityCorrection=other.fUseTPCMultiplicityCorrection;
644666df 204 fTRDPIDResponseObject=NULL;
205 fEMCALPIDParams=NULL;
c5fb644a 206 fTOFtail=0.9;
644666df 207 fTOFPIDParams=NULL;
567624b5 208 fHMPIDPIDParams=NULL;
e96b9916 209 fCurrentEvent=other.fCurrentEvent;
87da0205 210
4ec8e76d 211 }
212 return *this;
213}
214
fd21ec8d 215//______________________________________________________________________________
355b831b 216Float_t AliPIDResponse::NumberOfSigmas(EDetector detector, const AliVParticle *vtrack, AliPID::EParticleType type) const
fd21ec8d 217{
218 //
219 // NumberOfSigmas for 'detCode'
220 //
355b831b 221
222 const AliVTrack *track=static_cast<const AliVTrack*>(vtrack);
223 // look for cached value first
224 const AliDetectorPID *detPID=track->GetDetectorPID();
225
226 if ( detPID && detPID->HasNumberOfSigmas(detector)){
227 return detPID->GetNumberOfSigmas(detector, type);
228 } else if (fCachePID) {
229 FillTrackDetectorPID(track, detector);
230 detPID=track->GetDetectorPID();
231 return detPID->GetNumberOfSigmas(detector, type);
fd21ec8d 232 }
355b831b 233
234 return GetNumberOfSigmas(detector, track, type);
fd21ec8d 235}
236
e96b9916 237//______________________________________________________________________________
355b831b 238AliPIDResponse::EDetPidStatus AliPIDResponse::NumberOfSigmas(EDetector detCode, const AliVParticle *track,
239 AliPID::EParticleType type, Double_t &val) const
00a38d07 240{
241 //
355b831b 242 // NumberOfSigmas with detector status as return value
00a38d07 243 //
355b831b 244
245 val=NumberOfSigmas(detCode, track, type);
246 return CheckPIDStatus(detCode, (AliVTrack*)track);
00a38d07 247}
248
1c9d11be 249//______________________________________________________________________________
250// public buffered versions of the PID calculation
251//
252
00a38d07 253//______________________________________________________________________________
254Float_t AliPIDResponse::NumberOfSigmasITS(const AliVParticle *vtrack, AliPID::EParticleType type) const
255{
256 //
257 // Calculate the number of sigmas in the ITS
258 //
259
355b831b 260 return NumberOfSigmas(kITS, vtrack, type);
00a38d07 261}
262
263//______________________________________________________________________________
264Float_t AliPIDResponse::NumberOfSigmasTPC(const AliVParticle *vtrack, AliPID::EParticleType type) const
265{
266 //
267 // Calculate the number of sigmas in the TPC
268 //
269
355b831b 270 return NumberOfSigmas(kTPC, vtrack, type);
00a38d07 271}
272
644666df 273//______________________________________________________________________________
274Float_t AliPIDResponse::NumberOfSigmasTPC( const AliVParticle *vtrack,
275 AliPID::EParticleType type,
f84b18dd 276 AliTPCPIDResponse::ETPCdEdxSource dedxSource) const
644666df 277{
278 //get number of sigmas according the selected TPC gain configuration scenario
279 const AliVTrack *track=static_cast<const AliVTrack*>(vtrack);
280
87da0205 281 Float_t nSigma=fTPCResponse.GetNumberOfSigmas(track, type, dedxSource, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
644666df 282
283 return nSigma;
284}
285
00a38d07 286//______________________________________________________________________________
1c9d11be 287Float_t AliPIDResponse::NumberOfSigmasTOF(const AliVParticle *vtrack, AliPID::EParticleType type) const
00a38d07 288{
289 //
1c9d11be 290 // Calculate the number of sigmas in the TOF
00a38d07 291 //
292
355b831b 293 return NumberOfSigmas(kTOF, vtrack, type);
1c9d11be 294}
e96b9916 295
567624b5 296//______________________________________________________________________________
297Float_t AliPIDResponse::NumberOfSigmasHMPID(const AliVParticle *vtrack, AliPID::EParticleType type) const
298{
299 //
300 // Calculate the number of sigmas in the EMCAL
301 //
302
303 return NumberOfSigmas(kHMPID, vtrack, type);
304}
305
1c9d11be 306//______________________________________________________________________________
307Float_t AliPIDResponse::NumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type) const
308{
309 //
310 // Calculate the number of sigmas in the EMCAL
311 //
e96b9916 312
355b831b 313 return NumberOfSigmas(kEMCAL, vtrack, type);
e96b9916 314}
315
6d0064aa 316//______________________________________________________________________________
1c9d11be 317Float_t AliPIDResponse::NumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &eop, Double_t showershape[4]) const
318{
319 //
320 // emcal nsigma with eop and showershape
321 //
00a38d07 322 AliVTrack *track=(AliVTrack*)vtrack;
323
6d0064aa 324 AliVCluster *matchedClus = NULL;
325
326 Double_t mom = -1.;
327 Double_t pt = -1.;
328 Double_t EovP = -1.;
329 Double_t fClsE = -1.;
32fa24d6 330
331 // initialize eop and shower shape parameters
332 eop = -1.;
333 for(Int_t i = 0; i < 4; i++){
334 showershape[i] = -1.;
335 }
6d0064aa 336
337 Int_t nMatchClus = -1;
338 Int_t charge = 0;
339
340 // Track matching
341 nMatchClus = track->GetEMCALcluster();
342 if(nMatchClus > -1){
343
344 mom = track->P();
345 pt = track->Pt();
346 charge = track->Charge();
347
348 matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
349
350 if(matchedClus){
351
352 // matched cluster is EMCAL
353 if(matchedClus->IsEMCAL()){
354
355 fClsE = matchedClus->E();
356 EovP = fClsE/mom;
357
358 // fill used EMCAL variables here
359 eop = EovP; // E/p
360 showershape[0] = matchedClus->GetNCells(); // number of cells in cluster
361 showershape[1] = matchedClus->GetM02(); // long axis
362 showershape[2] = matchedClus->GetM20(); // short axis
363 showershape[3] = matchedClus->GetDispersion(); // dispersion
1c9d11be 364
365 // look for cached value first
366 const AliDetectorPID *detPID=track->GetDetectorPID();
367 const EDetector detector=kEMCAL;
368
369 if ( detPID && detPID->HasNumberOfSigmas(detector)){
370 return detPID->GetNumberOfSigmas(detector, type);
371 } else if (fCachePID) {
372 FillTrackDetectorPID(track, detector);
373 detPID=track->GetDetectorPID();
374 return detPID->GetNumberOfSigmas(detector, type);
375 }
376
377 // NSigma value really meaningful only for electrons!
378 return fEMCALResponse.GetNumberOfSigmas(pt,EovP,type,charge);
6d0064aa 379 }
380 }
381 }
382 return -999;
383}
384
567624b5 385//______________________________________________________________________________
1d59271b 386AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDelta(EDetector detector, const AliVParticle *track, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
567624b5 387{
388 //
389 //
390 //
391 val=-9999.;
392 switch (detector){
1d59271b 393 case kITS: return GetSignalDeltaITS(track,type,val,ratio); break;
394 case kTPC: return GetSignalDeltaTPC(track,type,val,ratio); break;
395 case kTOF: return GetSignalDeltaTOF(track,type,val,ratio); break;
396 case kHMPID: return GetSignalDeltaHMPID(track,type,val,ratio); break;
567624b5 397 default: return kDetNoSignal;
398 }
399 return kDetNoSignal;
400}
401
402//______________________________________________________________________________
1d59271b 403Double_t AliPIDResponse::GetSignalDelta(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type, Bool_t ratio/*=kFALSE*/) const
567624b5 404{
405 //
406 //
407 //
408 Double_t val=-9999.;
1d59271b 409 EDetPidStatus stat=GetSignalDelta(detCode, track, type, val, ratio);
567624b5 410 if ( stat==kDetNoSignal ) val=-9999.;
411 return val;
412}
413
00a38d07 414//______________________________________________________________________________
355b831b 415AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePIDProbability (EDetCode detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
00a38d07 416{
00a38d07 417 // Compute PID response of 'detCode'
355b831b 418
419 // find detector code from detector bit mask
420 Int_t detector=-1;
421 for (Int_t idet=0; idet<kNdetectors; ++idet) if ( (detCode&(1<<idet)) ) { detector=idet; break; }
422 if (detector==-1) return kDetNoSignal;
00a38d07 423
355b831b 424 return ComputePIDProbability((EDetector)detector, track, nSpecies, p);
00a38d07 425}
426
fd21ec8d 427//______________________________________________________________________________
355b831b 428AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePIDProbability (EDetector detector, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
fd21ec8d 429{
430 //
355b831b 431 // Compute PID response of 'detector'
fd21ec8d 432 //
433
1c9d11be 434 const AliDetectorPID *detPID=track->GetDetectorPID();
355b831b 435
436 if ( detPID && detPID->HasRawProbability(detector)){
1c9d11be 437 return detPID->GetRawProbability(detector, p, nSpecies);
438 } else if (fCachePID) {
439 FillTrackDetectorPID(track, detector);
440 detPID=track->GetDetectorPID();
441 return detPID->GetRawProbability(detector, p, nSpecies);
fd21ec8d 442 }
443
355b831b 444 //if no caching return values calculated from scratch
445 return GetComputePIDProbability(detector, track, nSpecies, p);
446}
447
448//______________________________________________________________________________
449AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
450{
451 // Compute PID response for the ITS
452 return ComputePIDProbability(kITS, track, nSpecies, p);
fd21ec8d 453}
355b831b 454
fd21ec8d 455//______________________________________________________________________________
456AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
457{
fd21ec8d 458 // Compute PID response for the TPC
355b831b 459 return ComputePIDProbability(kTPC, track, nSpecies, p);
fd21ec8d 460}
355b831b 461
fd21ec8d 462//______________________________________________________________________________
463AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
464{
fd21ec8d 465 // Compute PID response for the
355b831b 466 return ComputePIDProbability(kTOF, track, nSpecies, p);
fd21ec8d 467}
355b831b 468
fd21ec8d 469//______________________________________________________________________________
355b831b 470AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
fd21ec8d 471{
fd21ec8d 472 // Compute PID response for the
355b831b 473 return ComputePIDProbability(kTRD, track, nSpecies, p);
fd21ec8d 474}
355b831b 475
fd21ec8d 476//______________________________________________________________________________
e96b9916 477AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeEMCALProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
fd21ec8d 478{
fd21ec8d 479 // Compute PID response for the EMCAL
355b831b 480 return ComputePIDProbability(kEMCAL, track, nSpecies, p);
1c9d11be 481}
482//______________________________________________________________________________
483AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePHOSProbability (const AliVTrack */*track*/, Int_t nSpecies, Double_t p[]) const
484{
1c9d11be 485 // Compute PID response for the PHOS
1c9d11be 486
487 // set flat distribution (no decision)
00a38d07 488 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
1c9d11be 489 return kDetNoSignal;
490}
355b831b 491
1c9d11be 492//______________________________________________________________________________
493AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
494{
1c9d11be 495 // Compute PID response for the HMPID
355b831b 496 return ComputePIDProbability(kHMPID, track, nSpecies, p);
497}
fd21ec8d 498
355b831b 499//______________________________________________________________________________
500AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const
501{
502 // Compute PID response for the
503 return GetComputeTRDProbability(track, nSpecies, p, PIDmethod);
504}
e96b9916 505
355b831b 506//______________________________________________________________________________
507AliPIDResponse::EDetPidStatus AliPIDResponse::CheckPIDStatus(EDetector detector, const AliVTrack *track) const
508{
509 // calculate detector pid status
510
511 const Int_t iDetCode=(Int_t)detector;
512 if (iDetCode<0||iDetCode>=kNdetectors) return kDetNoSignal;
513 const AliDetectorPID *detPID=track->GetDetectorPID();
514
515 if ( detPID ){
516 return detPID->GetPIDStatus(detector);
1c9d11be 517 } else if (fCachePID) {
518 FillTrackDetectorPID(track, detector);
519 detPID=track->GetDetectorPID();
355b831b 520 return detPID->GetPIDStatus(detector);
e96b9916 521 }
355b831b 522
523 // if not buffered and no buffering is requested
524 return GetPIDStatus(detector, track);
fd21ec8d 525}
526
4ec8e76d 527//______________________________________________________________________________
00a38d07 528void AliPIDResponse::InitialiseEvent(AliVEvent *event, Int_t pass, Int_t run)
4ec8e76d 529{
530 //
531 // Apply settings for the current event
532 //
533 fRecoPass=pass;
e96b9916 534
78cbd205 535
644666df 536 fCurrentEvent=NULL;
4ec8e76d 537 if (!event) return;
e96b9916 538 fCurrentEvent=event;
00a38d07 539 if (run>0) fRun=run;
540 else fRun=event->GetRunNumber();
4ec8e76d 541
542 if (fRun!=fOldRun){
543 ExecNewRun();
544 fOldRun=fRun;
545 }
546
547 //TPC resolution parametrisation PbPb
548 if ( fResolutionCorrection ){
549 Double_t corrSigma=fResolutionCorrection->Eval(GetTPCMultiplicityBin(event));
550 fTPCResponse.SetSigma(3.79301e-03*corrSigma, 2.21280e+04);
551 }
552
87da0205 553 // Set up TPC multiplicity for PbPb
554 //TODO Will NOT give the desired number for AODs -> Needs new variable/function in future.
555 // Fatal, if AOD event and correction enabled
556 //printf("DETECTED class: %s (%d)\n\n\n\n", event->IsA()->GetName(), fUseTPCMultiplicityCorrection);//TODO
557 if (fUseTPCMultiplicityCorrection && strcmp(event->IsA()->GetName(), "AliESDEvent") != 0) {
558 AliFatal("TPC multiplicity correction is enabled, but will NOT work for AOD events, only for ESD => Disabled multiplicity correction!");
559 fUseTPCMultiplicityCorrection = kFALSE;
560 }
561
562 if (fUseTPCMultiplicityCorrection)
563 fTPCResponse.SetCurrentEventMultiplicity(event->GetNumberOfTracks());
564 else
565 fTPCResponse.SetCurrentEventMultiplicity(0);
566
4ec8e76d 567 //TOF resolution
b79db598 568 SetTOFResponse(event, (AliPIDResponse::EStartTimeType_t)fTOFPIDParams->GetStartTimeMethod());
569
80f28562 570
571 // Get and set centrality
572 AliCentrality *centrality = event->GetCentrality();
573 if(centrality){
574 fCurrCentrality = centrality->GetCentralityPercentile("V0M");
575 }
576 else{
577 fCurrCentrality = -1;
578 }
87da0205 579
580 // Set centrality percentile for EMCAL
581 fEMCALResponse.SetCentrality(fCurrCentrality);
582
4ec8e76d 583}
584
585//______________________________________________________________________________
586void AliPIDResponse::ExecNewRun()
587{
588 //
589 // Things to Execute upon a new run
590 //
591 SetRecoInfo();
592
593 SetITSParametrisation();
594
595 SetTPCPidResponseMaster();
596 SetTPCParametrisation();
f84b18dd 597 SetTPCEtaMaps();
53d016dc 598
599 SetTRDPidResponseMaster();
600 InitializeTRDResponse();
b2138b40 601
602 SetEMCALPidResponseMaster();
603 InitializeEMCALResponse();
4ec8e76d 604
b79db598 605 SetTOFPidResponseMaster();
606 InitializeTOFResponse();
644666df 607
567624b5 608 SetHMPIDPidResponseMaster();
609 InitializeHMPIDResponse();
610
644666df 611 if (fCurrentEvent) fTPCResponse.SetMagField(fCurrentEvent->GetMagneticField());
4ec8e76d 612}
613
1c9d11be 614//______________________________________________________________________________
4ec8e76d 615Double_t AliPIDResponse::GetTPCMultiplicityBin(const AliVEvent * const event)
616{
617 //
618 // Get TPC multiplicity in bins of 150
619 //
620
621 const AliVVertex* vertexTPC = event->GetPrimaryVertex();
622 Double_t tpcMulti=0.;
623 if(vertexTPC){
624 Double_t vertexContribTPC=vertexTPC->GetNContributors();
625 tpcMulti=vertexContribTPC/150.;
626 if (tpcMulti>20.) tpcMulti=20.;
627 }
628
629 return tpcMulti;
630}
631
632//______________________________________________________________________________
633void AliPIDResponse::SetRecoInfo()
634{
635 //
636 // Set reconstruction information
637 //
638
639 //reset information
640 fLHCperiod="";
641 fMCperiodTPC="";
642
643 fBeamType="";
644
645 fBeamType="PP";
bbce5a64 646
647 Bool_t hasProdInfo=(fCurrentFile.BeginsWith("LHC"));
4ec8e76d 648
bbce5a64 649 TPRegexp reg(".*(LHC1[1-3][a-z]+[0-9]+[a-z_]*)/.*");
650 if (hasProdInfo) reg=TPRegexp("LHC1[1-2][a-z]+[0-9]+[a-z_]*");
e56f039a 651 TPRegexp reg12a17("LHC1[2-3][a-z]");
1436d6bb 652
4ec8e76d 653 //find the period by run number (UGLY, but not stored in ESD and AOD... )
654 if (fRun>=114737&&fRun<=117223) { fLHCperiod="LHC10B"; fMCperiodTPC="LHC10D1"; }
655 else if (fRun>=118503&&fRun<=121040) { fLHCperiod="LHC10C"; fMCperiodTPC="LHC10D1"; }
656 else if (fRun>=122195&&fRun<=126437) { fLHCperiod="LHC10D"; fMCperiodTPC="LHC10F6A"; }
99e9d5ec 657 else if (fRun>=127710&&fRun<=130850) { fLHCperiod="LHC10E"; fMCperiodTPC="LHC10F6A"; }
4ec8e76d 658 else if (fRun>=133004&&fRun<=135029) { fLHCperiod="LHC10F"; fMCperiodTPC="LHC10F6A"; }
659 else if (fRun>=135654&&fRun<=136377) { fLHCperiod="LHC10G"; fMCperiodTPC="LHC10F6A"; }
12d3abbc 660 else if (fRun>=136851&&fRun<=139846) {
ea235c90 661 fLHCperiod="LHC10H";
662 fMCperiodTPC="LHC10H8";
663 if (reg.MatchB(fCurrentFile)) fMCperiodTPC="LHC11A10";
664 fBeamType="PBPB";
665 }
12d3abbc 666 else if (fRun>=139847&&fRun<=146974) { fLHCperiod="LHC11A"; fMCperiodTPC="LHC10F6A"; }
667 //TODO: periods 11B (146975-150721), 11C (150722-155837) are not yet treated assume 11d for the moment
668 else if (fRun>=146975&&fRun<=155837) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
669 else if (fRun>=155838&&fRun<=159649) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
670 // also for 11e (159650-162750),f(162751-165771) use 11d
671 else if (fRun>=159650&&fRun<=162750) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
672 else if (fRun>=162751&&fRun<=165771) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
00a38d07 673
12d3abbc 674 else if (fRun>=165772 && fRun<=170718) {
3077a03d 675 fLHCperiod="LHC11H";
676 fMCperiodTPC="LHC11A10";
677 fBeamType="PBPB";
a78fd045 678 if (reg12a17.MatchB(fCurrentFile)) fMCperiodTPC="LHC12A17";
3077a03d 679 }
8af51a65 680 if (fRun>=170719 && fRun<=177311) { fLHCperiod="LHC12A"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
681 // for the moment use LHC12b parameters up to LHC12e
682 if (fRun>=177312 /*&& fRun<=179356*/) { fLHCperiod="LHC12B"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
683// if (fRun>=179357 && fRun<=183173) { fLHCperiod="LHC12C"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
684// if (fRun>=183174 && fRun<=186345) { fLHCperiod="LHC12D"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
685// if (fRun>=186346 && fRun<=186635) { fLHCperiod="LHC12E"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
686
687// if (fRun>=186636 && fRun<=188166) { fLHCperiod="LHC12F"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
688// if (fRun >= 188167 && fRun <= 188355 ) { fLHCperiod="LHC12G"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
689// if (fRun >= 188356 && fRun <= 188503 ) { fLHCperiod="LHC12G"; fBeamType="PPB"; /*fMCperiodTPC="";*/ }
690// for the moment use 12g parametrisation for all full gain runs (LHC12f+)
87da0205 691 if (fRun >= 186636 && fRun < 194480) { fLHCperiod="LHC12G"; fBeamType="PPB"; fMCperiodTPC="LHC12G"; }
692
693 // New parametrisation for 2013 pPb runs
694 if (fRun >= 194480) {
695 fLHCperiod="LHC13B";
696 fBeamType="PPB";
bbce5a64 697 fMCperiodTPC="LHC12G";
87da0205 698
699 if (fCurrentAliRootRev >= 61605)
700 fMCperiodTPC="LHC13B2_FIX";
bbce5a64 701 if (fCurrentAliRootRev >= 62714)
702 fMCperiodTPC="LHC13B2_FIXn1";
87da0205 703 }
80ab5635 704
705 //exception new pp MC productions from 2011
1b45e564 706 if (fBeamType=="PP" && reg.MatchB(fCurrentFile)) { fMCperiodTPC="LHC11B2"; fBeamType="PP"; }
4a527e08 707 // exception for 11f1
bbce5a64 708 if (fCurrentFile.Contains("LHC11f1")) fMCperiodTPC="LHC11F1";
bf26ce58 709 // exception for 12f1a, 12f1b and 12i3
bbce5a64 710 if (fCurrentFile.Contains("LHC12f1") || fCurrentFile.Contains("LHC12i3")) fMCperiodTPC="LHC12F1";
c3ee524d 711 // exception for 12c4
bbce5a64 712 if (fCurrentFile.Contains("LHC12c4")) fMCperiodTPC="LHC12C4";
4ec8e76d 713}
714
715//______________________________________________________________________________
716void AliPIDResponse::SetITSParametrisation()
717{
718 //
719 // Set the ITS parametrisation
720 //
721}
722
f84b18dd 723
724//______________________________________________________________________________
725void AliPIDResponse::AddPointToHyperplane(TH2D* h, TLinearFitter* linExtrapolation, Int_t binX, Int_t binY)
726{
727 if (h->GetBinContent(binX, binY) <= 1e-4)
728 return; // Reject bins without content (within some numerical precision) or with strange content
729
730 Double_t coord[2] = {0, 0};
731 coord[0] = h->GetXaxis()->GetBinCenter(binX);
732 coord[1] = h->GetYaxis()->GetBinCenter(binY);
733 Double_t binError = h->GetBinError(binX, binY);
734 if (binError <= 0) {
735 binError = 1000; // Should not happen because bins without content are rejected for the map (TH2D* h)
736 printf("ERROR: This should never happen: Trying to add bin in addPointToHyperplane with error not set....\n");
737 }
738 linExtrapolation->AddPoint(coord, h->GetBinContent(binX, binY, binError));
739}
740
741
742//______________________________________________________________________________
743TH2D* AliPIDResponse::RefineHistoViaLinearInterpolation(TH2D* h, Double_t refineFactorX, Double_t refineFactorY)
744{
745 if (!h)
746 return 0x0;
747
748 // Interpolate to finer map
749 TLinearFitter* linExtrapolation = new TLinearFitter(2, "hyp2", "");
750
751 Double_t upperMapBoundY = h->GetYaxis()->GetBinUpEdge(h->GetYaxis()->GetNbins());
752 Double_t lowerMapBoundY = h->GetYaxis()->GetBinLowEdge(1);
1b45e564 753 Int_t nBinsX = 30;
f84b18dd 754 // 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,
755 // scale the number of bins correspondingly
1b45e564 756 Int_t nBinsY = TMath::Nint((upperMapBoundY - lowerMapBoundY) / (0.02 - 0.0016) * 40);
f84b18dd 757 Int_t nBinsXrefined = nBinsX * refineFactorX;
758 Int_t nBinsYrefined = nBinsY * refineFactorY;
759
760 TH2D* hRefined = new TH2D(Form("%s_refined", h->GetName()), Form("%s (refined)", h->GetTitle()),
761 nBinsXrefined, h->GetXaxis()->GetBinLowEdge(1), h->GetXaxis()->GetBinUpEdge(h->GetXaxis()->GetNbins()),
762 nBinsYrefined, lowerMapBoundY, upperMapBoundY);
763
764 for (Int_t binX = 1; binX <= nBinsXrefined; binX++) {
765 for (Int_t binY = 1; binY <= nBinsYrefined; binY++) {
766
767 hRefined->SetBinContent(binX, binY, 1); // Default value is 1
768
769 Double_t centerX = hRefined->GetXaxis()->GetBinCenter(binX);
770 Double_t centerY = hRefined->GetYaxis()->GetBinCenter(binY);
771
1b45e564 772 /*OLD
f84b18dd 773 linExtrapolation->ClearPoints();
774
775 // For interpolation: Just take the corresponding bin from the old histo.
776 // For extrapolation: take the last available bin from the old histo.
777 // If the boundaries are to be skipped, also skip the corresponding bins
778 Int_t oldBinX = h->GetXaxis()->FindBin(centerX);
779 if (oldBinX < 1)
780 oldBinX = 1;
781 if (oldBinX > nBinsX)
782 oldBinX = nBinsX;
783
784 Int_t oldBinY = h->GetYaxis()->FindBin(centerY);
785 if (oldBinY < 1)
786 oldBinY = 1;
787 if (oldBinY > nBinsY)
788 oldBinY = nBinsY;
789
790 // Neighbours left column
791 if (oldBinX >= 2) {
792 if (oldBinY >= 2) {
793 AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY - 1);
794 }
795
796 AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY);
797
798 if (oldBinY < nBinsY) {
799 AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY + 1);
800 }
801 }
802
803 // Neighbours (and point itself) same column
804 if (oldBinY >= 2) {
805 AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY - 1);
806 }
807
808 AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY);
809
810 if (oldBinY < nBinsY) {
811 AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY + 1);
812 }
813
814 // Neighbours right column
815 if (oldBinX < nBinsX) {
816 if (oldBinY >= 2) {
817 AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY - 1);
818 }
819
820 AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY);
821
822 if (oldBinY < nBinsY) {
823 AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY + 1);
824 }
825 }
826
827
828 // Fit 2D-hyperplane
829 if (linExtrapolation->GetNpoints() <= 0)
830 continue;
831
832 if (linExtrapolation->Eval() != 0)// EvalRobust -> Takes much, much, [...], much more time (~hours instead of seconds)
833 continue;
834
835 // Fill the bin of the refined histogram with the extrapolated value
836 Double_t interpolatedValue = linExtrapolation->GetParameter(0) + linExtrapolation->GetParameter(1) * centerX
837 + linExtrapolation->GetParameter(2) * centerY;
838 */
f85a3764 839 Double_t interpolatedValue = h->Interpolate(centerX, centerY) ;
f84b18dd 840 hRefined->SetBinContent(binX, binY, interpolatedValue);
841 }
842 }
843
1b45e564 844
845 // Problem: Interpolation does not work before/beyond center of first/last bin (as the name suggests).
846 // Therefore, for each row in dEdx: Take last bin from old map and interpolate values from center and edge.
847 // Assume line through these points and extropolate to last bin of refined map
848 const Double_t firstOldXbinUpEdge = h->GetXaxis()->GetBinUpEdge(1);
849 const Double_t firstOldXbinCenter = h->GetXaxis()->GetBinCenter(1);
850
851 const Double_t oldXbinHalfWidth = firstOldXbinUpEdge - firstOldXbinCenter;
852
853 const Double_t lastOldXbinLowEdge = h->GetXaxis()->GetBinLowEdge(h->GetNbinsX());
854 const Double_t lastOldXbinCenter = h->GetXaxis()->GetBinCenter(h->GetNbinsX());
855
856 for (Int_t binY = 1; binY <= nBinsYrefined; binY++) {
857 Double_t centerY = hRefined->GetYaxis()->GetBinCenter(binY);
858
859 const Double_t interpolatedCenterFirstXbin = h->Interpolate(firstOldXbinCenter, centerY);
860 const Double_t interpolatedUpEdgeFirstXbin = h->Interpolate(firstOldXbinUpEdge, centerY);
861
862 const Double_t extrapolationSlopeFirstXbin = (interpolatedUpEdgeFirstXbin - interpolatedCenterFirstXbin) / oldXbinHalfWidth;
863 const Double_t extrapolationOffsetFirstXbin = interpolatedCenterFirstXbin;
864
865
866 const Double_t interpolatedCenterLastXbin = h->Interpolate(lastOldXbinCenter, centerY);
867 const Double_t interpolatedLowEdgeLastXbin = h->Interpolate(lastOldXbinLowEdge, centerY);
868
869 const Double_t extrapolationSlopeLastXbin = (interpolatedCenterLastXbin - interpolatedLowEdgeLastXbin) / oldXbinHalfWidth;
870 const Double_t extrapolationOffsetLastXbin = interpolatedCenterLastXbin;
871
872 for (Int_t binX = 1; binX <= nBinsXrefined; binX++) {
873 Double_t centerX = hRefined->GetXaxis()->GetBinCenter(binX);
874
875 if (centerX < firstOldXbinCenter) {
876 Double_t extrapolatedValue = extrapolationOffsetFirstXbin + (centerX - firstOldXbinCenter) * extrapolationSlopeFirstXbin;
877 hRefined->SetBinContent(binX, binY, extrapolatedValue);
878 }
879 else if (centerX <= lastOldXbinCenter) {
880 continue;
881 }
882 else {
883 Double_t extrapolatedValue = extrapolationOffsetLastXbin + (centerX - lastOldXbinCenter) * extrapolationSlopeLastXbin;
884 hRefined->SetBinContent(binX, binY, extrapolatedValue);
885 }
886 }
887 }
888
f84b18dd 889 delete linExtrapolation;
890
891 return hRefined;
892}
893
894//______________________________________________________________________________
895void AliPIDResponse::SetTPCEtaMaps(Double_t refineFactorMapX, Double_t refineFactorMapY,
896 Double_t refineFactorSigmaMapX, Double_t refineFactorSigmaMapY)
897{
898 //
899 // Load the TPC eta correction maps from the OADB
900 //
901
f85a3764 902 if (fUseTPCEtaCorrection == kFALSE) {
903 // Disable eta correction via setting no maps
904 if (!fTPCResponse.SetEtaCorrMap(0x0))
1b45e564 905 AliInfo("Request to disable TPC eta correction -> Eta correction has been disabled");
f85a3764 906 else
907 AliError("Request to disable TPC eta correction -> Some error occured when unloading the correction maps");
908
909 if (!fTPCResponse.SetSigmaParams(0x0, 0))
1b45e564 910 AliInfo("Request to disable TPC eta correction -> Using old parametrisation for sigma");
911 else
f85a3764 912 AliError("Request to disable TPC eta correction -> Some error occured when unloading the sigma maps");
913
914 return;
915 }
1b45e564 916
f84b18dd 917 TString dataType = "DATA";
918 TString period = fLHCperiod.IsNull() ? "No period information" : fLHCperiod;
919
920 if (fIsMC) {
87da0205 921 if (!(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) {
f85a3764 922 period=fMCperiodTPC;
923 dataType="MC";
924 }
f84b18dd 925 fRecoPass = 1;
926
87da0205 927 if (!(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) && fMCperiodTPC.IsNull()) {
f84b18dd 928 AliFatal("MC detected, but no MC period set -> Not changing eta maps!");
929 return;
930 }
f84b18dd 931 }
f85a3764 932
933 Int_t recopass = fRecoPass;
a2c30af1 934 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC) )
f85a3764 935 recopass = fRecoPassUser;
f84b18dd 936
f85a3764 937 TString defaultObj = Form("Default_%s_pass%d", dataType.Data(), recopass);
f84b18dd 938
f85a3764 939 AliInfo(Form("Current period and reco pass: %s.pass%d", period.Data(), recopass));
f84b18dd 940
941 // Invalidate old maps
942 fTPCResponse.SetEtaCorrMap(0x0);
943 fTPCResponse.SetSigmaParams(0x0, 0);
944
945 // Load the eta correction maps
f85a3764 946 AliOADBContainer etaMapsCont(Form("TPCetaMaps_%s_pass%d", dataType.Data(), recopass));
f84b18dd 947
948 Int_t statusCont = etaMapsCont.InitFromFile(Form("%s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()),
f85a3764 949 Form("TPCetaMaps_%s_pass%d", dataType.Data(), recopass));
f84b18dd 950 if (statusCont) {
951 AliError("Failed initializing TPC eta correction maps from OADB -> Disabled eta correction");
87da0205 952 fUseTPCEtaCorrection = kFALSE;
f84b18dd 953 }
954 else {
955 AliInfo(Form("Loading TPC eta correction map from %s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()));
956
957 TH2D* etaMap = 0x0;
958
87da0205 959 if (fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) {
f85a3764 960 TString searchMap = Form("TPCetaMaps_%s_%s_pass%d", dataType.Data(), period.Data(), recopass);
f84b18dd 961 etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetDefaultObject(searchMap.Data()));
962 if (!etaMap) {
963 // Try default object
964 etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetDefaultObject(defaultObj.Data()));
965 }
966 }
967 else {
968 etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetObject(fRun, defaultObj.Data()));
969 }
970
971
972 if (!etaMap) {
973 AliError(Form("TPC eta correction map not found for run %d and also no default map found -> Disabled eta correction!!!", fRun));
87da0205 974 fUseTPCEtaCorrection = kFALSE;
f84b18dd 975 }
976 else {
977 TH2D* etaMapRefined = RefineHistoViaLinearInterpolation(etaMap, refineFactorMapX, refineFactorMapY);
978
979 if (etaMapRefined) {
980 if (!fTPCResponse.SetEtaCorrMap(etaMapRefined)) {
981 AliError(Form("Failed to set TPC eta correction map for run %d -> Disabled eta correction!!!", fRun));
982 fTPCResponse.SetEtaCorrMap(0x0);
87da0205 983 fUseTPCEtaCorrection = kFALSE;
f84b18dd 984 }
985 else {
986 AliInfo(Form("Loaded TPC eta correction map (refine factors %.2f/%.2f) from %s/COMMON/PID/data/TPCetaMaps.root: %s",
987 refineFactorMapX, refineFactorMapY, fOADBPath.Data(), fTPCResponse.GetEtaCorrMap()->GetTitle()));
988 }
989
990 delete etaMapRefined;
991 }
992 else {
993 AliError(Form("Failed to set TPC eta correction map for run %d (map was loaded, but couldn't be refined) -> Disabled eta correction!!!", fRun));
87da0205 994 fUseTPCEtaCorrection = kFALSE;
f84b18dd 995 }
996 }
997 }
998
87da0205 999 // If there was some problem loading the eta maps, it makes no sense to load the sigma maps (that require eta corrected data)
1000 if (fUseTPCEtaCorrection == kFALSE) {
1001 AliError("Failed to load TPC eta correction map required by sigma maps -> Using old parametrisation for sigma");
1002 return;
1003 }
1004
f84b18dd 1005 // Load the sigma parametrisation (1/dEdx vs tanTheta_local (~eta))
f85a3764 1006 AliOADBContainer etaSigmaMapsCont(Form("TPCetaSigmaMaps_%s_pass%d", dataType.Data(), recopass));
f84b18dd 1007
1008 statusCont = etaSigmaMapsCont.InitFromFile(Form("%s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()),
f85a3764 1009 Form("TPCetaSigmaMaps_%s_pass%d", dataType.Data(), recopass));
f84b18dd 1010 if (statusCont) {
1011 AliError("Failed initializing TPC eta sigma maps from OADB -> Using old sigma parametrisation");
1012 }
1013 else {
1014 AliInfo(Form("Loading TPC eta sigma map from %s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()));
1015
1016 TObjArray* etaSigmaPars = 0x0;
1017
87da0205 1018 if (fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) {
f85a3764 1019 TString searchMap = Form("TPCetaSigmaMaps_%s_%s_pass%d", dataType.Data(), period.Data(), recopass);
f84b18dd 1020 etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetDefaultObject(searchMap.Data()));
1021 if (!etaSigmaPars) {
1022 // Try default object
1023 etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetDefaultObject(defaultObj.Data()));
1024 }
1025 }
1026 else {
1027 etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetObject(fRun, defaultObj.Data()));
1028 }
1029
1030 if (!etaSigmaPars) {
1031 AliError(Form("TPC eta sigma parametrisation not found for run %d -> Using old sigma parametrisation!!!", fRun));
1032 }
1033 else {
1034 TH2D* etaSigmaPar1Map = dynamic_cast<TH2D *>(etaSigmaPars->FindObject("sigmaPar1Map"));
1035 TNamed* sigmaPar0Info = dynamic_cast<TNamed *>(etaSigmaPars->FindObject("sigmaPar0"));
1036 Double_t sigmaPar0 = 0.0;
1037
1038 if (sigmaPar0Info) {
1039 TString sigmaPar0String = sigmaPar0Info->GetTitle();
1040 sigmaPar0 = sigmaPar0String.Atof();
1041 }
1042 else {
1043 // Something is weired because the object for parameter 0 could not be loaded -> New sigma parametrisation can not be used!
1044 etaSigmaPar1Map = 0x0;
1045 }
1046
1047 TH2D* etaSigmaPar1MapRefined = RefineHistoViaLinearInterpolation(etaSigmaPar1Map, refineFactorSigmaMapX, refineFactorSigmaMapY);
1048
1049
1050 if (etaSigmaPar1MapRefined) {
1051 if (!fTPCResponse.SetSigmaParams(etaSigmaPar1MapRefined, sigmaPar0)) {
1052 AliError(Form("Failed to set TPC eta sigma map for run %d -> Using old sigma parametrisation!!!", fRun));
1053 fTPCResponse.SetSigmaParams(0x0, 0);
1054 }
1055 else {
1056 AliInfo(Form("Loaded TPC sigma correction map (refine factors %.2f/%.2f) from %s/COMMON/PID/data/TPCetaMaps.root: %s",
1057 refineFactorSigmaMapX, refineFactorSigmaMapY, fOADBPath.Data(), fTPCResponse.GetSigmaPar1Map()->GetTitle()));
1058 }
1059
1060 delete etaSigmaPar1MapRefined;
1061 }
1062 else {
1063 AliError(Form("Failed to set TPC eta sigma map for run %d (map was loaded, but couldn't be refined) -> Using old sigma parametrisation!!!",
1064 fRun));
1065 }
1066 }
1067 }
1068}
1069
4ec8e76d 1070//______________________________________________________________________________
1071void AliPIDResponse::SetTPCPidResponseMaster()
1072{
1073 //
1074 // Load the TPC pid response functions from the OADB
644666df 1075 // Load the TPC voltage maps from OADB
4ec8e76d 1076 //
09b50a42 1077 //don't load twice for the moment
1078 if (fArrPidResponseMaster) return;
1079
1080
4ec8e76d 1081 //reset the PID response functions
1082 delete fArrPidResponseMaster;
644666df 1083 fArrPidResponseMaster=NULL;
4ec8e76d 1084
1085 TString fileName(Form("%s/COMMON/PID/data/TPCPIDResponse.root", fOADBPath.Data()));
644666df 1086 TFile *f=NULL;
00a38d07 1087 if (!fCustomTPCpidResponse.IsNull()) fileName=fCustomTPCpidResponse;
4ec8e76d 1088
644666df 1089 TString fileNamePIDresponse(Form("%s/COMMON/PID/data/TPCPIDResponse.root", fOADBPath.Data()));
1090 f=TFile::Open(fileNamePIDresponse.Data());
ea235c90 1091 if (f && f->IsOpen() && !f->IsZombie()){
1092 fArrPidResponseMaster=dynamic_cast<TObjArray*>(f->Get("TPCPIDResponse"));
4ec8e76d 1093 }
ea235c90 1094 delete f;
644666df 1095
1096 TString fileNameVoltageMaps(Form("%s/COMMON/PID/data/TPCvoltageSettings.root", fOADBPath.Data()));
1097 f=TFile::Open(fileNameVoltageMaps.Data());
1098 if (f && f->IsOpen() && !f->IsZombie()){
1099 fOADBvoltageMaps=dynamic_cast<AliOADBContainer*>(f->Get("TPCvoltageSettings"));
1100 }
1101 delete f;
4ec8e76d 1102
1103 if (!fArrPidResponseMaster){
644666df 1104 AliFatal(Form("Could not retrieve the TPC pid response from: %s",fileNamePIDresponse.Data()));
4ec8e76d 1105 return;
1106 }
1107 fArrPidResponseMaster->SetOwner();
644666df 1108
1109 if (!fOADBvoltageMaps)
1110 {
1111 AliFatal(Form("Could not retrieve the TPC voltage maps from: %s",fileNameVoltageMaps.Data()));
1112 }
1113 fArrPidResponseMaster->SetOwner();
4ec8e76d 1114}
1115
1116//______________________________________________________________________________
1117void AliPIDResponse::SetTPCParametrisation()
1118{
1119 //
1120 // Change BB parametrisation for current run
1121 //
1122
12d3abbc 1123 //
1124 //reset old splines
1125 //
1126 fTPCResponse.ResetSplines();
1127
4ec8e76d 1128 if (fLHCperiod.IsNull()) {
12d3abbc 1129 AliError("No period set, not changing parametrisation");
4ec8e76d 1130 return;
1131 }
1132
1133 //
1134 // Set default parametrisations for data and MC
1135 //
1136
1137 //data type
1138 TString datatype="DATA";
1139 //in case of mc fRecoPass is per default 1
1140 if (fIsMC) {
87da0205 1141 if(!(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) datatype="MC";
539a5a59 1142 fRecoPass=1;
4ec8e76d 1143 }
f84b18dd 1144
4a527e08 1145 // period
1146 TString period=fLHCperiod;
87da0205 1147 if (fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) period=fMCperiodTPC;
4a527e08 1148
f85a3764 1149 Int_t recopass = fRecoPass;
87da0205 1150 if(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) recopass = fRecoPassUser;
f85a3764 1151
1152 AliInfo(Form("Searching splines for: %s %s PASS%d %s",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
4a527e08 1153 Bool_t found=kFALSE;
4ec8e76d 1154 //
1155 //set the new PID splines
1156 //
4ec8e76d 1157 if (fArrPidResponseMaster){
4ec8e76d 1158 //for MC don't use period information
644666df 1159 //if (fIsMC) period="[A-Z0-9]*";
4ec8e76d 1160 //for MC use MC period information
644666df 1161 //pattern for the default entry (valid for all particles)
de678885 1162 TPRegexp reg(Form("TSPLINE3_%s_([A-Z]*)_%s_PASS%d_%s_MEAN(_*)([A-Z1-9]*)",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
644666df 1163
f85a3764 1164 //find particle id and gain scenario
644666df 1165 for (Int_t igainScenario=0; igainScenario<AliTPCPIDResponse::fgkNumberOfGainScenarios; igainScenario++)
1166 {
1167 TObject *grAll=NULL;
1168 TString gainScenario = AliTPCPIDResponse::GainScenarioName(igainScenario);
1169 gainScenario.ToUpper();
1170 //loop over entries and filter them
1171 for (Int_t iresp=0; iresp<fArrPidResponseMaster->GetEntriesFast();++iresp)
1172 {
1173 TObject *responseFunction=fArrPidResponseMaster->At(iresp);
1174 if (responseFunction==NULL) continue;
1175 TString responseName=responseFunction->GetName();
1176
1177 if (!reg.MatchB(responseName)) continue;
1178
1179 TObjArray *arr=reg.MatchS(responseName); if (!arr) continue;
1180 TObject* tmp=NULL;
1181 tmp=arr->At(1); if (!tmp) continue;
1182 TString particleName=tmp->GetName();
1183 tmp=arr->At(3); if (!tmp) continue;
1184 TString gainScenarioName=tmp->GetName();
1185 delete arr;
1186 if (particleName.IsNull()) continue;
1187 if (!grAll && particleName=="ALL" && gainScenarioName==gainScenario) grAll=responseFunction;
1188 else
1189 {
1190 for (Int_t ispec=0; ispec<(AliTPCPIDResponse::fgkNumberOfParticleSpecies); ++ispec)
1191 {
1192 TString particle=AliPID::ParticleName(ispec);
1193 particle.ToUpper();
1194 //std::cout<<responseName<<" "<<particle<<" "<<particleName<<" "<<gainScenario<<" "<<gainScenarioName<<std::endl;
1195 if ( particle == particleName && gainScenario == gainScenarioName )
1196 {
1197 fTPCResponse.SetResponseFunction( responseFunction,
1198 (AliPID::EParticleType)ispec,
1199 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1200 fTPCResponse.SetUseDatabase(kTRUE);
1201 AliInfo(Form("Adding graph: %d %d - %s",ispec,igainScenario,responseFunction->GetName()));
1202 found=kTRUE;
644666df 1203 break;
1204 }
4ec8e76d 1205 }
1206 }
1207 }
bf26ce58 1208
1209 // Retrieve responsefunction for pions - will (if available) be used for muons if there are no dedicated muon splines.
1210 // For light nuclei, try to set the proton spline, if no dedicated splines are available.
1211 // In both cases: Use default splines, if no dedicated splines and no pion/proton splines are available.
1212 TObject* responseFunctionPion = fTPCResponse.GetResponseFunction( (AliPID::EParticleType)AliPID::kPion,
1213 (AliTPCPIDResponse::ETPCgainScenario)igainScenario);
1214 TObject* responseFunctionProton = fTPCResponse.GetResponseFunction( (AliPID::EParticleType)AliPID::kProton,
1215 (AliTPCPIDResponse::ETPCgainScenario)igainScenario);
1216
1217 for (Int_t ispec=0; ispec<(AliTPCPIDResponse::fgkNumberOfParticleSpecies); ++ispec)
644666df 1218 {
bf26ce58 1219 if (!fTPCResponse.GetResponseFunction( (AliPID::EParticleType)ispec,
1220 (AliTPCPIDResponse::ETPCgainScenario)igainScenario))
644666df 1221 {
bf26ce58 1222 if (ispec == AliPID::kMuon) { // Muons
1223 if (responseFunctionPion) {
1224 fTPCResponse.SetResponseFunction( responseFunctionPion,
1225 (AliPID::EParticleType)ispec,
1226 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1227 fTPCResponse.SetUseDatabase(kTRUE);
1228 AliInfo(Form("Adding graph: %d %d - %s",ispec,igainScenario,responseFunctionPion->GetName()));
1229 found=kTRUE;
1230 }
1231 else if (grAll) {
1232 fTPCResponse.SetResponseFunction( grAll,
1233 (AliPID::EParticleType)ispec,
1234 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1235 fTPCResponse.SetUseDatabase(kTRUE);
1236 AliInfo(Form("Adding graph: %d %d - %s",ispec,igainScenario,grAll->GetName()));
1237 found=kTRUE;
1238 }
1239 //else
1240 // AliError(Form("No splines found for muons (also no pion splines and no default splines) for gain scenario %d!", igainScenario));
1241 }
1242 else if (ispec >= AliPID::kSPECIES) { // Light nuclei
1243 if (responseFunctionProton) {
1244 fTPCResponse.SetResponseFunction( responseFunctionProton,
1245 (AliPID::EParticleType)ispec,
1246 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1247 fTPCResponse.SetUseDatabase(kTRUE);
1248 AliInfo(Form("Adding graph: %d %d - %s",ispec,igainScenario,responseFunctionProton->GetName()));
1249 found=kTRUE;
1250 }
1251 else if (grAll) {
644666df 1252 fTPCResponse.SetResponseFunction( grAll,
1253 (AliPID::EParticleType)ispec,
1254 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1255 fTPCResponse.SetUseDatabase(kTRUE);
1256 AliInfo(Form("Adding graph: %d %d - %s",ispec,igainScenario,grAll->GetName()));
1257 found=kTRUE;
bf26ce58 1258 }
1259 //else
1260 // AliError(Form("No splines found for species %d (also no proton splines and no default splines) for gain scenario %d!",
1261 // ispec, igainScenario));
644666df 1262 }
4ec8e76d 1263 }
1264 }
1265 }
1266 }
644666df 1267 else AliInfo("no fArrPidResponseMaster");
4a527e08 1268
1269 if (!found){
f85a3764 1270 AliError(Form("No splines found for: %s %s PASS%d %s",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
4a527e08 1271 }
644666df 1272
87da0205 1273
1274 //
1275 // Setup multiplicity correction
1276 //
1277 if (fUseTPCMultiplicityCorrection && (fBeamType.CompareTo("PBPB") == 0 || fBeamType.CompareTo("AA") == 0)) {
1278 AliInfo("Multiplicity correction enabled!");
1279
1280 //TODO After testing, load parameters from outside
1281 if (period.Contains("LHC11A10")) {//LHC11A10A
1282 AliInfo("Using multiplicity correction parameters for 11a10!");
1283 fTPCResponse.SetParameterMultiplicityCorrection(0, 6.90133e-06);
1284 fTPCResponse.SetParameterMultiplicityCorrection(1, -1.22123e-03);
1285 fTPCResponse.SetParameterMultiplicityCorrection(2, 1.80220e-02);
1286 fTPCResponse.SetParameterMultiplicityCorrection(3, 0.1);
1287 fTPCResponse.SetParameterMultiplicityCorrection(4, 6.45306e-03);
1288
1289 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, -2.85505e-07);
1290 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, -1.31911e-06);
1291 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5);
1292
1293 fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, -4.29665e-05);
1294 fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, 1.37023e-02);
1295 fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, -6.36337e-01);
1296 fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 1.13479e-02);
1297 }
1298 else if (period.Contains("LHC10H") && recopass == 2) {
1299 AliInfo("Using multiplicity correction parameters for 10h.pass2!");
1300 fTPCResponse.SetParameterMultiplicityCorrection(0, 3.21636e-07);
1301 fTPCResponse.SetParameterMultiplicityCorrection(1, -6.65876e-04);
1302 fTPCResponse.SetParameterMultiplicityCorrection(2, 1.28786e-03);
1303 fTPCResponse.SetParameterMultiplicityCorrection(3, 1.47677e-02);
1304 fTPCResponse.SetParameterMultiplicityCorrection(4, 0);
1305
1306 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, 7.23591e-08);
1307 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, 2.7469e-06);
1308 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5);
1309
1310 fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, -1.22590e-05);
1311 fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, 6.88888e-03);
1312 fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, -3.20788e-01);
1313 fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 1.07345e-02);
1314 }
1315 else {
1316 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));
1317 fUseTPCMultiplicityCorrection = kFALSE;
1318 fTPCResponse.ResetMultiplicityCorrectionFunctions();
1319 }
1320 }
1321 else {
1322 // Just set parameters such that overall correction factor is 1, i.e. no correction.
1323 // This is just a reasonable choice for the parameters for safety reasons. Disabling
1324 // the multiplicity correction will anyhow skip the calculation of the corresponding
1325 // correction factor inside THIS class. Nevertheless, experts can access the TPCPIDResponse
1326 // directly and use it for calculations - which should still give valid results, even if
1327 // the multiplicity correction is explicitely enabled in such expert calls.
1328
1329 AliInfo(Form("Multiplicity correction %sdisabled (%s)!", fUseTPCMultiplicityCorrection ? "automatically " : "",
1330 fUseTPCMultiplicityCorrection ? "no PbPb or AA" : "requested by user"));
1331
1332 fUseTPCMultiplicityCorrection = kFALSE;
1333 fTPCResponse.ResetMultiplicityCorrectionFunctions();
1334 }
1335
1336 /*
1337 //TODO NOW start
1338 for (Int_t i = 0; i <= 4 + 1; i++) {
1339 printf("parMultCorr: %d, %e\n", i, fTPCResponse.GetMultiplicityCorrectionFunction()->GetParameter(i));
1340 }
1341 for (Int_t j = 0; j <= 2 + 1; j++) {
1342 printf("parMultCorrTanTheta: %d, %e\n", j, fTPCResponse.GetMultiplicityCorrectionFunctionTanTheta()->GetParameter(j));
1343 }
1344 for (Int_t j = 0; j <= 3 + 1; j++) {
1345 printf("parMultSigmaCorr: %d, %e\n", j, fTPCResponse.GetMultiplicitySigmaCorrectionFunction()->GetParameter(j));
1346 }
1347
1348 //TODO NOW end
1349 */
1350
4ec8e76d 1351 //
87da0205 1352 // Setup old resolution parametrisation
4ec8e76d 1353 //
1354
1355 //default
1356 fTPCResponse.SetSigma(3.79301e-03, 2.21280e+04);
1357
1358 if (fRun>=122195){
1359 fTPCResponse.SetSigma(2.30176e-02, 5.60422e+02);
1360 }
8af51a65 1361
1362 if (fRun>=186636){
1363// if (fRun>=188356){
723c4874 1364 fTPCResponse.SetSigma(8.62022e-04, 9.08156e+05);
1365 }
1366
23425eb2 1367 if (fArrPidResponseMaster)
f85a3764 1368 fResolutionCorrection=(TF1*)fArrPidResponseMaster->FindObject(Form("TF1_%s_ALL_%s_PASS%d_%s_SIGMA",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
4ec8e76d 1369
1370 if (fResolutionCorrection) AliInfo(Form("Setting multiplicity correction function: %s",fResolutionCorrection->GetName()));
644666df 1371
1372 //read in the voltage map
12d3abbc 1373 TVectorF* gsm = 0x0;
1374 if (fOADBvoltageMaps) gsm=dynamic_cast<TVectorF*>(fOADBvoltageMaps->GetObject(fRun));
644666df 1375 if (gsm)
1376 {
1377 fTPCResponse.SetVoltageMap(*gsm);
1378 TString vals;
1379 AliInfo(Form("Reading the voltage map for run %d\n",fRun));
1380 vals="IROC A: "; for (Int_t i=0; i<18; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1381 AliInfo(vals.Data());
1382 vals="IROC C: "; for (Int_t i=18; i<36; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1383 AliInfo(vals.Data());
1384 vals="OROC A: "; for (Int_t i=36; i<54; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1385 AliInfo(vals.Data());
1386 vals="OROC C: "; for (Int_t i=54; i<72; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1387 AliInfo(vals.Data());
1388 }
1389 else AliInfo("no voltage map, ideal default assumed");
4ec8e76d 1390}
1391
ea235c90 1392//______________________________________________________________________________
1393void AliPIDResponse::SetTRDPidResponseMaster()
1394{
1395 //
1396 // Load the TRD pid params and references from the OADB
1397 //
db0e2c5f 1398 if(fTRDPIDResponseObject) return;
53d016dc 1399 AliOADBContainer contParams("contParams");
1400
db0e2c5f 1401 Int_t statusResponse = contParams.InitFromFile(Form("%s/COMMON/PID/data/TRDPIDResponse.root", fOADBPath.Data()), "AliTRDPIDResponseObject");
1402 if(statusResponse){
1403 AliError("Failed initializing PID Response Object from OADB");
59a8e853 1404 } else {
db0e2c5f 1405 AliInfo(Form("Loading TRD Response from %s/COMMON/PID/data/TRDPIDResponse.root", fOADBPath.Data()));
1406 fTRDPIDResponseObject = dynamic_cast<AliTRDPIDResponseObject *>(contParams.GetObject(fRun));
1407 if(!fTRDPIDResponseObject){
1408 AliError(Form("TRD Response not found in run %d", fRun));
59a8e853 1409 }
1410 }
ea235c90 1411}
1412
1413//______________________________________________________________________________
1414void AliPIDResponse::InitializeTRDResponse(){
1415 //
1416 // Set PID Params and references to the TRD PID response
1417 //
db0e2c5f 1418 fTRDResponse.SetPIDResponseObject(fTRDPIDResponseObject);
f2762b1c 1419}
1420
bd58d4b9 1421//______________________________________________________________________________
1422void AliPIDResponse::SetTRDSlices(UInt_t TRDslicesForPID[2],AliTRDPIDResponse::ETRDPIDMethod method) const{
1423
72abc110 1424 if(fLHCperiod.Contains("LHC10D") || fLHCperiod.Contains("LHC10E")){
bd58d4b9 1425 // backward compatibility for setting with 8 slices
1426 TRDslicesForPID[0] = 0;
1427 TRDslicesForPID[1] = 7;
f2762b1c 1428 }
bd58d4b9 1429 else{
1430 if(method==AliTRDPIDResponse::kLQ1D){
1431 TRDslicesForPID[0] = 0; // first Slice contains normalized dEdx
1432 TRDslicesForPID[1] = 0;
1433 }
1434 if(method==AliTRDPIDResponse::kLQ2D){
1435 TRDslicesForPID[0] = 1;
1436 TRDslicesForPID[1] = 7;
1437 }
db0e2c5f 1438 }
bd58d4b9 1439 AliDebug(1,Form("Slice Range set to %d - %d",TRDslicesForPID[0],TRDslicesForPID[1]));
ea235c90 1440}
1441
b79db598 1442//______________________________________________________________________________
1443void AliPIDResponse::SetTOFPidResponseMaster()
1444{
1445 //
1446 // Load the TOF pid params from the OADB
1447 //
00a38d07 1448
1449 if (fTOFPIDParams) delete fTOFPIDParams;
644666df 1450 fTOFPIDParams=NULL;
00a38d07 1451
b79db598 1452 TFile *oadbf = new TFile(Form("%s/COMMON/PID/data/TOFPIDParams.root",fOADBPath.Data()));
00a38d07 1453 if (oadbf && oadbf->IsOpen()) {
b79db598 1454 AliInfo(Form("Loading TOF Params from %s/COMMON/PID/data/TOFPIDParams.root", fOADBPath.Data()));
1455 AliOADBContainer *oadbc = (AliOADBContainer *)oadbf->Get("TOFoadb");
00a38d07 1456 if (oadbc) fTOFPIDParams = dynamic_cast<AliTOFPIDParams *>(oadbc->GetObject(fRun,"TOFparams"));
b79db598 1457 oadbf->Close();
1458 delete oadbc;
b79db598 1459 }
1460 delete oadbf;
1461
00a38d07 1462 if (!fTOFPIDParams) AliFatal("TOFPIDParams could not be retrieved");
1463}
b79db598 1464
1465//______________________________________________________________________________
1466void AliPIDResponse::InitializeTOFResponse(){
1467 //
1468 // Set PID Params to the TOF PID response
00a38d07 1469 //
1470
1471 AliInfo("TOF PID Params loaded from OADB");
1472 AliInfo(Form(" TOF resolution %5.2f [ps]",fTOFPIDParams->GetTOFresolution()));
1473 AliInfo(Form(" StartTime method %d",fTOFPIDParams->GetStartTimeMethod()));
1474 AliInfo(Form(" TOF res. mom. params: %5.2f %5.2f %5.2f %5.2f",
1475 fTOFPIDParams->GetSigParams(0),fTOFPIDParams->GetSigParams(1),fTOFPIDParams->GetSigParams(2),fTOFPIDParams->GetSigParams(3)));
1476
b79db598 1477 for (Int_t i=0;i<4;i++) {
1478 fTOFResponse.SetTrackParameter(i,fTOFPIDParams->GetSigParams(i));
1479 }
1480 fTOFResponse.SetTimeResolution(fTOFPIDParams->GetTOFresolution());
1481
78cbd205 1482 AliInfo("TZERO resolution loaded from ESDrun/AODheader");
1483 Float_t t0Spread[4];
1484 for (Int_t i=0;i<4;i++) t0Spread[i]=fCurrentEvent->GetT0spread(i);
1485 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]));
1486 Float_t a = t0Spread[1]*t0Spread[1]-t0Spread[0]*t0Spread[0]+t0Spread[3]*t0Spread[3];
1487 Float_t c = t0Spread[2]*t0Spread[2]-t0Spread[0]*t0Spread[0]+t0Spread[3]*t0Spread[3];
1488 if ( (t0Spread[0] > 50. && t0Spread[0] < 400.) && (a > 0.) && (c>0.)) {
1489 fResT0AC=t0Spread[3];
1490 fResT0A=TMath::Sqrt(a);
1491 fResT0C=TMath::Sqrt(c);
1492 } else {
1493 AliInfo(" TZERO spreads not present or inconsistent, loading default");
1494 fResT0A=75.;
1495 fResT0C=65.;
1496 fResT0AC=55.;
1497 }
1498 AliInfo(Form(" TZERO resolution set to: T0A: %f [ps] T0C: %f [ps] T0AC %f [ps]",fResT0A,fResT0C,fResT0AC));
1499
b79db598 1500}
1501
567624b5 1502//______________________________________________________________________________
1503void AliPIDResponse::SetHMPIDPidResponseMaster()
1504{
1505 //
1506 // Load the HMPID pid params from the OADB
1507 //
1508
1509 if (fHMPIDPIDParams) delete fHMPIDPIDParams;
1510 fHMPIDPIDParams=NULL;
1511
1512 TFile *oadbf = new TFile(Form("%s/COMMON/PID/data/HMPIDPIDParams.root",fOADBPath.Data()));
1513 if (oadbf && oadbf->IsOpen()) {
1514 AliInfo(Form("Loading HMPID Params from %s/COMMON/PID/data/HMPIDPIDParams.root", fOADBPath.Data()));
1515 AliOADBContainer *oadbc = (AliOADBContainer *)oadbf->Get("HMPoadb");
1516 if (oadbc) fHMPIDPIDParams = dynamic_cast<AliHMPIDPIDParams *>(oadbc->GetObject(fRun,"HMPparams"));
1517 oadbf->Close();
1518 delete oadbc;
1519 }
1520 delete oadbf;
1521
1522 if (!fHMPIDPIDParams) AliFatal("HMPIDPIDParams could not be retrieved");
1523}
1524
1525//______________________________________________________________________________
1526void AliPIDResponse::InitializeHMPIDResponse(){
1527 //
1528 // Set PID Params to the HMPID PID response
1529 //
1530
1531 fHMPIDResponse.SetRefIndexArray(fHMPIDPIDParams->GetHMPIDrefIndex());
1532}
b79db598 1533
1c9d11be 1534//______________________________________________________________________________
bd58d4b9 1535Bool_t AliPIDResponse::IdentifiedAsElectronTRD(const AliVTrack *vtrack, Double_t efficiencyLevel,Double_t centrality,AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const {
ea235c90 1536 //
1537 // Check whether track is identified as electron under a given electron efficiency hypothesis
bd58d4b9 1538 //
1539
ea235c90 1540 Double_t probs[AliPID::kSPECIES];
bd58d4b9 1541 ComputeTRDProbability(vtrack, AliPID::kSPECIES, probs,PIDmethod);
ea235c90 1542
99e9d5ec 1543 Int_t ntracklets = vtrack->GetTRDntrackletsPID();
1544 // Take mean of the TRD momenta in the given tracklets
1545 Float_t p = 0, trdmomenta[AliVTrack::kTRDnPlanes];
1546 Int_t nmomenta = 0;
ea235c90 1547 for(Int_t iPl=0;iPl<AliVTrack::kTRDnPlanes;iPl++){
1548 if(vtrack->GetTRDmomentum(iPl) > 0.){
99e9d5ec 1549 trdmomenta[nmomenta++] = vtrack->GetTRDmomentum(iPl);
ea235c90 1550 }
1551 }
99e9d5ec 1552 p = TMath::Mean(nmomenta, trdmomenta);
ea235c90 1553
bd58d4b9 1554 return fTRDResponse.IdentifiedAsElectron(ntracklets, probs, p, efficiencyLevel,centrality,PIDmethod);
ea235c90 1555}
1556
b2138b40 1557//______________________________________________________________________________
1558void AliPIDResponse::SetEMCALPidResponseMaster()
1559{
1560 //
1561 // Load the EMCAL pid response functions from the OADB
1562 //
1563 TObjArray* fEMCALPIDParamsRun = NULL;
1564 TObjArray* fEMCALPIDParamsPass = NULL;
1565
1566 if(fEMCALPIDParams) return;
1567 AliOADBContainer contParams("contParams");
1568
1569 Int_t statusPars = contParams.InitFromFile(Form("%s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()), "AliEMCALPIDParams");
1570 if(statusPars){
1571 AliError("Failed initializing PID Params from OADB");
1572 }
1573 else {
1574 AliInfo(Form("Loading EMCAL Params from %s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()));
1575
1576 fEMCALPIDParamsRun = dynamic_cast<TObjArray *>(contParams.GetObject(fRun));
1577 if(fEMCALPIDParamsRun) fEMCALPIDParamsPass = dynamic_cast<TObjArray *>(fEMCALPIDParamsRun->FindObject(Form("pass%d",fRecoPass)));
1578 if(fEMCALPIDParamsPass) fEMCALPIDParams = dynamic_cast<TObjArray *>(fEMCALPIDParamsPass->FindObject(Form("EMCALPIDParams_Particles")));
1579
1580 if(!fEMCALPIDParams){
f8d39067 1581 AliInfo(Form("EMCAL Params not found in run %d pass %d", fRun, fRecoPass));
1f631618 1582 AliInfo("Will take the standard LHC11d instead ...");
b2138b40 1583
1f631618 1584 fEMCALPIDParamsRun = dynamic_cast<TObjArray *>(contParams.GetObject(156477));
1585 if(fEMCALPIDParamsRun) fEMCALPIDParamsPass = dynamic_cast<TObjArray *>(fEMCALPIDParamsRun->FindObject(Form("pass%d",1)));
b2138b40 1586 if(fEMCALPIDParamsPass) fEMCALPIDParams = dynamic_cast<TObjArray *>(fEMCALPIDParamsPass->FindObject(Form("EMCALPIDParams_Particles")));
1587
1588 if(!fEMCALPIDParams){
1f631618 1589 AliError(Form("DEFAULT EMCAL Params (LHC11d) not found in file %s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()));
b2138b40 1590 }
1591 }
1592 }
1593}
1594
1595//______________________________________________________________________________
1596void AliPIDResponse::InitializeEMCALResponse(){
1597 //
1598 // Set PID Params to the EMCAL PID response
1599 //
1600 fEMCALResponse.SetPIDParams(fEMCALPIDParams);
1601
1602}
00a38d07 1603
1c9d11be 1604//______________________________________________________________________________
1605void AliPIDResponse::FillTrackDetectorPID(const AliVTrack *track, EDetector detector) const
00a38d07 1606{
1607 //
1608 // create detector PID information and setup the transient pointer in the track
1609 //
1c9d11be 1610
1611 // check if detector number is inside accepted range
1612 if (detector == kNdetectors) return;
1613
1614 // get detector pid
1615 AliDetectorPID *detPID=const_cast<AliDetectorPID*>(track->GetDetectorPID());
1616 if (!detPID) {
1617 detPID=new AliDetectorPID;
1618 (const_cast<AliVTrack*>(track))->SetDetectorPID(detPID);
1619 }
1620
1621 //check if values exist
355b831b 1622 if (detPID->HasRawProbability(detector) && detPID->HasNumberOfSigmas(detector)) return;
00a38d07 1623
1624 //TODO: which particles to include? See also the loops below...
1625 Double_t values[AliPID::kSPECIESC]={0};
1c9d11be 1626
355b831b 1627 //probabilities
1628 EDetPidStatus status=GetComputePIDProbability(detector,track,AliPID::kSPECIESC,values);
1629 detPID->SetRawProbability(detector, values, (Int_t)AliPID::kSPECIESC, status);
1630
1c9d11be 1631 //nsigmas
1632 for (Int_t ipart=0; ipart<AliPID::kSPECIESC; ++ipart)
1633 values[ipart]=GetNumberOfSigmas(detector,track,(AliPID::EParticleType)ipart);
355b831b 1634 // the pid status is the same for probabilities and nSigmas, so it is
1635 // fine to use the one from the probabilities also here
1636 detPID->SetNumberOfSigmas(detector, values, (Int_t)AliPID::kSPECIESC, status);
1c9d11be 1637
1c9d11be 1638}
1639
1640//______________________________________________________________________________
1641void AliPIDResponse::FillTrackDetectorPID()
1642{
1643 //
1644 // create detector PID information and setup the transient pointer in the track
1645 //
1646
1647 if (!fCurrentEvent) return;
00a38d07 1648
1649 for (Int_t itrack=0; itrack<fCurrentEvent->GetNumberOfTracks(); ++itrack){
1650 AliVTrack *track=dynamic_cast<AliVTrack*>(fCurrentEvent->GetTrack(itrack));
1651 if (!track) continue;
1652
00a38d07 1653 for (Int_t idet=0; idet<kNdetectors; ++idet){
1c9d11be 1654 FillTrackDetectorPID(track, (EDetector)idet);
00a38d07 1655 }
00a38d07 1656 }
1657}
1658
1c9d11be 1659//______________________________________________________________________________
5f8db5fe 1660void AliPIDResponse::SetTOFResponse(AliVEvent *vevent,EStartTimeType_t option){
1661 //
1662 // Set TOF response function
1663 // Input option for event_time used
1664 //
1665
1666 Float_t t0spread = 0.; //vevent->GetEventTimeSpread();
1667 if(t0spread < 10) t0spread = 80;
1668
1669 // T0 from TOF algorithm
1670
1671 Bool_t flagT0TOF=kFALSE;
1672 Bool_t flagT0T0=kFALSE;
1673 Float_t *startTime = new Float_t[fTOFResponse.GetNmomBins()];
1674 Float_t *startTimeRes = new Float_t[fTOFResponse.GetNmomBins()];
1675 Int_t *startTimeMask = new Int_t[fTOFResponse.GetNmomBins()];
1676
1677 // T0-TOF arrays
1678 Float_t *estimatedT0event = new Float_t[fTOFResponse.GetNmomBins()];
1679 Float_t *estimatedT0resolution = new Float_t[fTOFResponse.GetNmomBins()];
1680 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1681 estimatedT0event[i]=0.0;
1682 estimatedT0resolution[i]=0.0;
1683 startTimeMask[i] = 0;
1684 }
1685
78cbd205 1686 Float_t resT0A=fResT0A;
1687 Float_t resT0C=fResT0C;
1688 Float_t resT0AC=fResT0AC;
5f8db5fe 1689 if(vevent->GetT0TOF()){ // check if T0 detector information is available
1690 flagT0T0=kTRUE;
1691 }
1692
1693
1694 AliTOFHeader *tofHeader = (AliTOFHeader*)vevent->GetTOFHeader();
1695
1696 if (tofHeader) { // read global info and T0-TOF
1697 fTOFResponse.SetTimeResolution(tofHeader->GetTOFResolution());
1698 t0spread = tofHeader->GetT0spread(); // read t0 sprad
1699 if(t0spread < 10) t0spread = 80;
1700
1701 flagT0TOF=kTRUE;
1702 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ // read T0-TOF default value
1703 startTime[i]=tofHeader->GetDefaultEventTimeVal();
1704 startTimeRes[i]=tofHeader->GetDefaultEventTimeRes();
1705 if(startTimeRes[i] < 1.e-5) startTimeRes[i] = t0spread;
1706 }
1707
1708 TArrayI *ibin=(TArrayI*)tofHeader->GetNvalues();
1709 TArrayF *t0Bin=(TArrayF*)tofHeader->GetEventTimeValues();
1710 TArrayF *t0ResBin=(TArrayF*)tofHeader->GetEventTimeRes();
1711 for(Int_t j=0;j < tofHeader->GetNbins();j++){ // fill T0-TOF in p-bins
1712 Int_t icurrent = (Int_t)ibin->GetAt(j);
1713 startTime[icurrent]=t0Bin->GetAt(j);
1714 startTimeRes[icurrent]=t0ResBin->GetAt(j);
1715 if(startTimeRes[icurrent] < 1.e-5) startTimeRes[icurrent] = t0spread;
1716 }
1717 }
1718
1719 // for cut of 3 sigma on t0 spread
1720 Float_t t0cut = 3 * t0spread;
1721 if(t0cut < 500) t0cut = 500;
1722
1723 if(option == kFILL_T0){ // T0-FILL is used
1724 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1725 estimatedT0event[i]=0.0;
1726 estimatedT0resolution[i]=t0spread;
1727 }
1728 fTOFResponse.SetT0event(estimatedT0event);
1729 fTOFResponse.SetT0resolution(estimatedT0resolution);
1730 }
1731
1732 if(option == kTOF_T0){ // T0-TOF is used when available (T0-FILL otherwise) from ESD
1733 if(flagT0TOF){
1734 fTOFResponse.SetT0event(startTime);
1735 fTOFResponse.SetT0resolution(startTimeRes);
1736 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1737 if(startTimeRes[i]<t0spread) startTimeMask[i]=1;
1738 fTOFResponse.SetT0binMask(i,startTimeMask[i]);
1739 }
1740 }
1741 else{
1742 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1743 estimatedT0event[i]=0.0;
1744 estimatedT0resolution[i]=t0spread;
1745 fTOFResponse.SetT0binMask(i,startTimeMask[i]);
1746 }
1747 fTOFResponse.SetT0event(estimatedT0event);
1748 fTOFResponse.SetT0resolution(estimatedT0resolution);
1749 }
1750 }
1751 else if(option == kBest_T0){ // T0-T0 or T0-TOF are used when available (T0-FILL otherwise) from ESD
1752 Float_t t0AC=-10000;
1753 Float_t t0A=-10000;
1754 Float_t t0C=-10000;
1755 if(flagT0T0){
5f8db5fe 1756 t0A= vevent->GetT0TOF()[1];
1757 t0C= vevent->GetT0TOF()[2];
f84b18dd 1758 // t0AC= vevent->GetT0TOF()[0];
1759 t0AC= t0A/resT0A/resT0A + t0C/resT0C/resT0C;
1760 resT0AC= TMath::Sqrt(1./resT0A/resT0A + 1./resT0C/resT0C);
1761 t0AC /= resT0AC*resT0AC;
5f8db5fe 1762 }
1763
1764 Float_t t0t0Best = 0;
1765 Float_t t0t0BestRes = 9999;
1766 Int_t t0used=0;
1767 if(TMath::Abs(t0A) < t0cut && TMath::Abs(t0C) < t0cut && TMath::Abs(t0C-t0A) < 500){
1768 t0t0Best = t0AC;
1769 t0t0BestRes = resT0AC;
1770 t0used=6;
1771 }
1772 else if(TMath::Abs(t0C) < t0cut){
1773 t0t0Best = t0C;
1774 t0t0BestRes = resT0C;
1775 t0used=4;
1776 }
1777 else if(TMath::Abs(t0A) < t0cut){
1778 t0t0Best = t0A;
1779 t0t0BestRes = resT0A;
1780 t0used=2;
1781 }
1782
1783 if(flagT0TOF){ // if T0-TOF info is available
1784 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1785 if(t0t0BestRes < 999){
1786 if(startTimeRes[i] < t0spread){
1787 Double_t wtot = 1./startTimeRes[i]/startTimeRes[i] + 1./t0t0BestRes/t0t0BestRes;
1788 Double_t t0best = startTime[i]/startTimeRes[i]/startTimeRes[i] + t0t0Best/t0t0BestRes/t0t0BestRes;
1789 estimatedT0event[i]=t0best / wtot;
1790 estimatedT0resolution[i]=1./TMath::Sqrt(wtot);
1791 startTimeMask[i] = t0used+1;
1792 }
1793 else {
1794 estimatedT0event[i]=t0t0Best;
1795 estimatedT0resolution[i]=t0t0BestRes;
1796 startTimeMask[i] = t0used;
1797 }
1798 }
1799 else{
1800 estimatedT0event[i]=startTime[i];
1801 estimatedT0resolution[i]=startTimeRes[i];
1802 if(startTimeRes[i]<t0spread) startTimeMask[i]=1;
1803 }
1804 fTOFResponse.SetT0binMask(i,startTimeMask[i]);
1805 }
1806 fTOFResponse.SetT0event(estimatedT0event);
1807 fTOFResponse.SetT0resolution(estimatedT0resolution);
1808 }
1809 else{ // if no T0-TOF info is available
1810 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1811 fTOFResponse.SetT0binMask(i,t0used);
1812 if(t0t0BestRes < 999){
1813 estimatedT0event[i]=t0t0Best;
1814 estimatedT0resolution[i]=t0t0BestRes;
1815 }
1816 else{
1817 estimatedT0event[i]=0.0;
1818 estimatedT0resolution[i]=t0spread;
1819 }
1820 }
1821 fTOFResponse.SetT0event(estimatedT0event);
1822 fTOFResponse.SetT0resolution(estimatedT0resolution);
1823 }
1824 }
1825
1826 else if(option == kT0_T0){ // T0-T0 is used when available (T0-FILL otherwise)
1827 Float_t t0AC=-10000;
1828 Float_t t0A=-10000;
1829 Float_t t0C=-10000;
1830 if(flagT0T0){
5f8db5fe 1831 t0A= vevent->GetT0TOF()[1];
1832 t0C= vevent->GetT0TOF()[2];
f84b18dd 1833 // t0AC= vevent->GetT0TOF()[0];
1834 t0AC= t0A/resT0A/resT0A + t0C/resT0C/resT0C;
1835 resT0AC= TMath::Sqrt(1./resT0A/resT0A + 1./resT0C/resT0C);
1836 t0AC /= resT0AC*resT0AC;
5f8db5fe 1837 }
1838
1839 if(TMath::Abs(t0A) < t0cut && TMath::Abs(t0C) < t0cut && TMath::Abs(t0C-t0A) < 500){
1840 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1841 estimatedT0event[i]=t0AC;
1842 estimatedT0resolution[i]=resT0AC;
1843 fTOFResponse.SetT0binMask(i,6);
1844 }
1845 }
1846 else if(TMath::Abs(t0C) < t0cut){
1847 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1848 estimatedT0event[i]=t0C;
1849 estimatedT0resolution[i]=resT0C;
1850 fTOFResponse.SetT0binMask(i,4);
1851 }
1852 }
1853 else if(TMath::Abs(t0A) < t0cut){
1854 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1855 estimatedT0event[i]=t0A;
1856 estimatedT0resolution[i]=resT0A;
1857 fTOFResponse.SetT0binMask(i,2);
1858 }
1859 }
1860 else{
1861 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1862 estimatedT0event[i]=0.0;
1863 estimatedT0resolution[i]=t0spread;
1864 fTOFResponse.SetT0binMask(i,0);
1865 }
1866 }
1867 fTOFResponse.SetT0event(estimatedT0event);
1868 fTOFResponse.SetT0resolution(estimatedT0resolution);
1869 }
1870 delete [] startTime;
1871 delete [] startTimeRes;
1872 delete [] startTimeMask;
1873 delete [] estimatedT0event;
1874 delete [] estimatedT0resolution;
1875}
1c9d11be 1876
1877//______________________________________________________________________________
1878// private non cached versions of the PID calculation
1879//
1880
1881
1882//______________________________________________________________________________
355b831b 1883Float_t AliPIDResponse::GetNumberOfSigmas(EDetector detector, const AliVParticle *vtrack, AliPID::EParticleType type) const
1c9d11be 1884{
1885 //
1886 // NumberOfSigmas for 'detCode'
1887 //
355b831b 1888
1889 const AliVTrack *track=static_cast<const AliVTrack*>(vtrack);
1c9d11be 1890
355b831b 1891 switch (detector){
567624b5 1892 case kITS: return GetNumberOfSigmasITS(track, type); break;
1893 case kTPC: return GetNumberOfSigmasTPC(track, type); break;
1894 case kTOF: return GetNumberOfSigmasTOF(track, type); break;
1895 case kHMPID: return GetNumberOfSigmasHMPID(track, type); break;
1c9d11be 1896 case kEMCAL: return GetNumberOfSigmasEMCAL(track, type); break;
1897 default: return -999.;
1898 }
1c9d11be 1899
355b831b 1900 return -999.;
1901}
1c9d11be 1902
1903//______________________________________________________________________________
1904Float_t AliPIDResponse::GetNumberOfSigmasITS(const AliVParticle *vtrack, AliPID::EParticleType type) const
1905{
1906 //
1907 // Calculate the number of sigmas in the ITS
1908 //
1909
1910 AliVTrack *track=(AliVTrack*)vtrack;
355b831b 1911
1912 const EDetPidStatus pidStatus=GetITSPIDStatus(track);
1913 if (pidStatus!=kDetPidOk) return -999.;
355b831b 1914
567624b5 1915 return fITSResponse.GetNumberOfSigmas(track,type);
1c9d11be 1916}
1917
1918//______________________________________________________________________________
1919Float_t AliPIDResponse::GetNumberOfSigmasTPC(const AliVParticle *vtrack, AliPID::EParticleType type) const
1920{
1921 //
1922 // Calculate the number of sigmas in the TPC
1923 //
1924
1925 AliVTrack *track=(AliVTrack*)vtrack;
355b831b 1926
1927 const EDetPidStatus pidStatus=GetTPCPIDStatus(track);
1928 if (pidStatus!=kDetPidOk) return -999.;
1d59271b 1929
1930 // the following call is needed in order to fill the transient data member
1931 // fTPCsignalTuned which is used in the TPCPIDResponse to judge
1932 // if using tuned on data
87da0205 1933 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))
1934 this->GetTPCsignalTunedOnData(track);
1c9d11be 1935
87da0205 1936 return fTPCResponse.GetNumberOfSigmas(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
1c9d11be 1937}
1938
1939//______________________________________________________________________________
355b831b 1940Float_t AliPIDResponse::GetNumberOfSigmasTOF(const AliVParticle *vtrack, AliPID::EParticleType type) const
1c9d11be 1941{
1942 //
355b831b 1943 // Calculate the number of sigmas in the TOF
1c9d11be 1944 //
1945
1946 AliVTrack *track=(AliVTrack*)vtrack;
355b831b 1947
1948 const EDetPidStatus pidStatus=GetTOFPIDStatus(track);
1949 if (pidStatus!=kDetPidOk) return -999.;
1c9d11be 1950
355b831b 1951 return GetNumberOfSigmasTOFold(vtrack, type);
1952}
567624b5 1953//______________________________________________________________________________
1954
1955Float_t AliPIDResponse::GetNumberOfSigmasHMPID(const AliVParticle *vtrack, AliPID::EParticleType type) const
1956{
1957 //
1958 // Calculate the number of sigmas in the HMPID
1959 //
1960 AliVTrack *track=(AliVTrack*)vtrack;
1961
1962 const EDetPidStatus pidStatus=GetHMPIDPIDStatus(track);
1963 if (pidStatus!=kDetPidOk) return -999.;
1964
1965 return fHMPIDResponse.GetNumberOfSigmas(track, type);
1966}
355b831b 1967
1968//______________________________________________________________________________
1969Float_t AliPIDResponse::GetNumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type) const
1970{
1971 //
1972 // Calculate the number of sigmas in the EMCAL
1973 //
1c9d11be 1974
355b831b 1975 AliVTrack *track=(AliVTrack*)vtrack;
1976
1977 const EDetPidStatus pidStatus=GetEMCALPIDStatus(track);
1978 if (pidStatus!=kDetPidOk) return -999.;
1979
1980 const Int_t nMatchClus = track->GetEMCALcluster();
1981 AliVCluster *matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
1c9d11be 1982
355b831b 1983 const Double_t mom = track->P();
1984 const Double_t pt = track->Pt();
1985 const Int_t charge = track->Charge();
1986 const Double_t fClsE = matchedClus->E();
1987 const Double_t EovP = fClsE/mom;
1c9d11be 1988
355b831b 1989 return fEMCALResponse.GetNumberOfSigmas(pt,EovP,type,charge);
1c9d11be 1990}
1991
567624b5 1992//______________________________________________________________________________
1d59271b 1993AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaITS(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
567624b5 1994{
1995 //
1996 // Signal minus expected Signal for ITS
1997 //
1998 AliVTrack *track=(AliVTrack*)vtrack;
1d59271b 1999 val=fITSResponse.GetSignalDelta(track,type,ratio);
567624b5 2000
2001 return GetITSPIDStatus(track);
2002}
2003
2004//______________________________________________________________________________
1d59271b 2005AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaTPC(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
567624b5 2006{
2007 //
2008 // Signal minus expected Signal for TPC
2009 //
2010 AliVTrack *track=(AliVTrack*)vtrack;
1d59271b 2011
2012 // the following call is needed in order to fill the transient data member
2013 // fTPCsignalTuned which is used in the TPCPIDResponse to judge
2014 // if using tuned on data
87da0205 2015 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))
1d59271b 2016 this->GetTPCsignalTunedOnData(track);
2017
87da0205 2018 val=fTPCResponse.GetSignalDelta(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection, ratio);
567624b5 2019
2020 return GetTPCPIDStatus(track);
2021}
2022
2023//______________________________________________________________________________
1d59271b 2024AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaTOF(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
567624b5 2025{
2026 //
2027 // Signal minus expected Signal for TOF
2028 //
2029 AliVTrack *track=(AliVTrack*)vtrack;
1d59271b 2030 val=GetSignalDeltaTOFold(track, type, ratio);
87da0205 2031
567624b5 2032 return GetTOFPIDStatus(track);
2033}
2034
2035//______________________________________________________________________________
1d59271b 2036AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaHMPID(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
567624b5 2037{
2038 //
2039 // Signal minus expected Signal for HMPID
2040 //
2041 AliVTrack *track=(AliVTrack*)vtrack;
1d59271b 2042 val=fHMPIDResponse.GetSignalDelta(track, type, ratio);
567624b5 2043
2044 return GetHMPIDPIDStatus(track);
2045}
1c9d11be 2046
2047//______________________________________________________________________________
2048AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputePIDProbability (EDetector detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2049{
2050 //
2051 // Compute PID response of 'detCode'
2052 //
2053
2054 switch (detCode){
2055 case kITS: return GetComputeITSProbability(track, nSpecies, p); break;
2056 case kTPC: return GetComputeTPCProbability(track, nSpecies, p); break;
2057 case kTRD: return GetComputeTRDProbability(track, nSpecies, p); break;
2058 case kTOF: return GetComputeTOFProbability(track, nSpecies, p); break;
2059 case kPHOS: return GetComputePHOSProbability(track, nSpecies, p); break;
2060 case kEMCAL: return GetComputeEMCALProbability(track, nSpecies, p); break;
2061 case kHMPID: return GetComputeHMPIDProbability(track, nSpecies, p); break;
2062 default: return kDetNoSignal;
2063 }
2064}
2065
2066//______________________________________________________________________________
2067AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2068{
2069 //
2070 // Compute PID response for the ITS
2071 //
2072
1c9d11be 2073 // set flat distribution (no decision)
2074 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2075
355b831b 2076 const EDetPidStatus pidStatus=GetITSPIDStatus(track);
2077 if (pidStatus!=kDetPidOk) return pidStatus;
2078
2079 if (track->GetDetectorPID()){
2080 return track->GetDetectorPID()->GetRawProbability(kITS, p, nSpecies);
2081 }
1c9d11be 2082
2083 //check for ITS standalone tracks
2084 Bool_t isSA=kTRUE;
2085 if( track->GetStatus() & AliVTrack::kTPCin ) isSA=kFALSE;
2086
2087 Double_t mom=track->P();
2088 Double_t dedx=track->GetITSsignal();
2089 Double_t momITS=mom;
2090 UChar_t clumap=track->GetITSClusterMap();
2091 Int_t nPointsForPid=0;
2092 for(Int_t i=2; i<6; i++){
2093 if(clumap&(1<<i)) ++nPointsForPid;
2094 }
2095
1c9d11be 2096 Bool_t mismatch=kTRUE/*, heavy=kTRUE*/;
bf26ce58 2097 for (Int_t j=0; j<nSpecies; j++) {
1c9d11be 2098 Double_t mass=AliPID::ParticleMassZ(j);//GeV/c^2
2099 const Double_t chargeFactor = TMath::Power(AliPID::ParticleCharge(j),2.);
2100 Double_t bethe=fITSResponse.Bethe(momITS,mass)*chargeFactor;
2101 //TODO: in case of the electron, use the SA parametrisation,
2102 // this needs to be changed if ITS provides a parametrisation
2103 // for electrons also for ITS+TPC tracks
2104 Double_t sigma=fITSResponse.GetResolution(bethe,nPointsForPid,isSA || (j==(Int_t)AliPID::kElectron));
2105 if (TMath::Abs(dedx-bethe) > fRange*sigma) {
2106 p[j]=TMath::Exp(-0.5*fRange*fRange)/sigma;
2107 } else {
2108 p[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma;
2109 mismatch=kFALSE;
2110 }
1c9d11be 2111 }
2112
2113 if (mismatch){
bf26ce58 2114 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
1c9d11be 2115 }
2116
1c9d11be 2117 return kDetPidOk;
2118}
2119//______________________________________________________________________________
2120AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2121{
2122 //
2123 // Compute PID response for the TPC
2124 //
2125
2126 // set flat distribution (no decision)
2127 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2128
355b831b 2129 const EDetPidStatus pidStatus=GetTPCPIDStatus(track);
2130 if (pidStatus!=kDetPidOk) return pidStatus;
1c9d11be 2131
1c9d11be 2132 Double_t dedx=track->GetTPCsignal();
2133 Bool_t mismatch=kTRUE/*, heavy=kTRUE*/;
2134
87da0205 2135 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) dedx = this->GetTPCsignalTunedOnData(track);
1c9d11be 2136
f84b18dd 2137 Double_t bethe = 0.;
2138 Double_t sigma = 0.;
2139
bf26ce58 2140 for (Int_t j=0; j<nSpecies; j++) {
1c9d11be 2141 AliPID::EParticleType type=AliPID::EParticleType(j);
f84b18dd 2142
87da0205 2143 bethe=fTPCResponse.GetExpectedSignal(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
2144 sigma=fTPCResponse.GetExpectedSigma(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
f85a3764 2145
1c9d11be 2146 if (TMath::Abs(dedx-bethe) > fRange*sigma) {
2147 p[j]=TMath::Exp(-0.5*fRange*fRange)/sigma;
2148 } else {
2149 p[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma;
2150 mismatch=kFALSE;
2151 }
2152 }
2153
2154 if (mismatch){
2155 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
1c9d11be 2156 }
2157
2158 return kDetPidOk;
2159}
2160//______________________________________________________________________________
2161AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2162{
2163 //
57e985ed 2164 // Compute PID probabilities for TOF
1c9d11be 2165 //
2166
1c9d11be 2167 // set flat distribution (no decision)
2168 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2169
355b831b 2170 const EDetPidStatus pidStatus=GetTOFPIDStatus(track);
2171 if (pidStatus!=kDetPidOk) return pidStatus;
2172
c5fb644a 2173 const Double_t meanCorrFactor = 0.07/fTOFtail; // Correction factor on the mean because of the tail (should be ~ 0.1 with tail = 1.1)
1c9d11be 2174
bf26ce58 2175 for (Int_t j=0; j<nSpecies; j++) {
1c9d11be 2176 AliPID::EParticleType type=AliPID::EParticleType(j);
355b831b 2177 const Double_t nsigmas=GetNumberOfSigmasTOFold(track,type) + meanCorrFactor;
1c9d11be 2178
355b831b 2179 const Double_t expTime = fTOFResponse.GetExpectedSignal(track,type);
2180 const Double_t sig = fTOFResponse.GetExpectedSigma(track->P(),expTime,AliPID::ParticleMassZ(type));
1c9d11be 2181 if (TMath::Abs(nsigmas) > (fRange+2)) {
2182 if(nsigmas < fTOFtail)
2183 p[j] = TMath::Exp(-0.5*(fRange+2)*(fRange+2))/sig;
2184 else
2185 p[j] = TMath::Exp(-(fRange+2 - fTOFtail*0.5)*fTOFtail)/sig;
2186 } else{
2187 if(nsigmas < fTOFtail)
2188 p[j] = TMath::Exp(-0.5*nsigmas*nsigmas)/sig;
2189 else
2190 p[j] = TMath::Exp(-(nsigmas - fTOFtail*0.5)*fTOFtail)/sig;
355b831b 2191 }
1c9d11be 2192 }
2193
1c9d11be 2194 return kDetPidOk;
2195}
2196//______________________________________________________________________________
2197AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod/*=AliTRDPIDResponse::kLQ1D*/) const
2198{
2199 //
355b831b 2200 // Compute PID probabilities for the TRD
1c9d11be 2201 //
2202
1c9d11be 2203 // set flat distribution (no decision)
2204 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
355b831b 2205
2206 const EDetPidStatus pidStatus=GetTRDPIDStatus(track);
2207 if (pidStatus!=kDetPidOk) return pidStatus;
2208
2209 UInt_t TRDslicesForPID[2];
2210 SetTRDSlices(TRDslicesForPID,PIDmethod);
1c9d11be 2211
2212 Float_t mom[6]={0.};
2213 Double_t dedx[48]={0.}; // Allocate space for the maximum number of TRD slices
2214 Int_t nslices = TRDslicesForPID[1] - TRDslicesForPID[0] + 1;
2215 AliDebug(1, Form("First Slice: %d, Last Slice: %d, Number of slices: %d", TRDslicesForPID[0], TRDslicesForPID[1], nslices));
2216 for(UInt_t ilayer = 0; ilayer < 6; ilayer++){
2217 mom[ilayer] = track->GetTRDmomentum(ilayer);
2218 for(UInt_t islice = TRDslicesForPID[0]; islice <= TRDslicesForPID[1]; islice++){
2219 dedx[ilayer*nslices+islice-TRDslicesForPID[0]] = track->GetTRDslice(ilayer, islice);
2220 }
2221 }
355b831b 2222
1c9d11be 2223 fTRDResponse.GetResponse(nslices, dedx, mom, p,PIDmethod);
2224 return kDetPidOk;
1c9d11be 2225}
355b831b 2226
1c9d11be 2227//______________________________________________________________________________
2228AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeEMCALProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2229{
2230 //
2231 // Compute PID response for the EMCAL
2232 //
2233
2234 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
355b831b 2235
2236 const EDetPidStatus pidStatus=GetEMCALPIDStatus(track);
2237 if (pidStatus!=kDetPidOk) return pidStatus;
2238
2239 const Int_t nMatchClus = track->GetEMCALcluster();
2240 AliVCluster *matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
1c9d11be 2241
355b831b 2242 const Double_t mom = track->P();
2243 const Double_t pt = track->Pt();
2244 const Int_t charge = track->Charge();
2245 const Double_t fClsE = matchedClus->E();
2246 const Double_t EovP = fClsE/mom;
1c9d11be 2247
355b831b 2248 // compute the probabilities
2249 fEMCALResponse.ComputeEMCALProbability(nSpecies,pt,EovP,charge,p);
2250 return kDetPidOk;
1c9d11be 2251}
355b831b 2252
1c9d11be 2253//______________________________________________________________________________
2254AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputePHOSProbability (const AliVTrack */*track*/, Int_t nSpecies, Double_t p[]) const
2255{
2256 //
2257 // Compute PID response for the PHOS
2258 //
2259
2260 // set flat distribution (no decision)
2261 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2262 return kDetNoSignal;
2263}
355b831b 2264
1c9d11be 2265//______________________________________________________________________________
2266AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2267{
2268 //
2269 // Compute PID response for the HMPID
2270 //
355b831b 2271
1c9d11be 2272 // set flat distribution (no decision)
2273 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
355b831b 2274
2275 const EDetPidStatus pidStatus=GetHMPIDPIDStatus(track);
2276 if (pidStatus!=kDetPidOk) return pidStatus;
1c9d11be 2277
567624b5 2278 fHMPIDResponse.GetProbability(track,nSpecies,p);
2279
1c9d11be 2280 return kDetPidOk;
2281}
355b831b 2282
2283//______________________________________________________________________________
2284AliPIDResponse::EDetPidStatus AliPIDResponse::GetITSPIDStatus(const AliVTrack *track) const
2285{
2286 // compute ITS pid status
2287
2288 // check status bits
2289 if ((track->GetStatus()&AliVTrack::kITSin)==0 &&
2290 (track->GetStatus()&AliVTrack::kITSout)==0) return kDetNoSignal;
2291
2292 const Float_t dEdx=track->GetITSsignal();
2293 if (dEdx<=0) return kDetNoSignal;
2294
2295 // requite at least 3 pid clusters
2296 const UChar_t clumap=track->GetITSClusterMap();
2297 Int_t nPointsForPid=0;
2298 for(Int_t i=2; i<6; i++){
2299 if(clumap&(1<<i)) ++nPointsForPid;
2300 }
2301
2302 if(nPointsForPid<3) {
2303 return kDetNoSignal;
2304 }
2305
2306 return kDetPidOk;
2307}
2308
2309//______________________________________________________________________________
2310AliPIDResponse::EDetPidStatus AliPIDResponse:: GetTPCPIDStatus(const AliVTrack *track) const
2311{
2312 // compute TPC pid status
2313
2314 // check quality of the track
2315 if ( (track->GetStatus()&AliVTrack::kTPCin )==0 && (track->GetStatus()&AliVTrack::kTPCout)==0 ) return kDetNoSignal;
2316
2317 // check pid values
2318 const Double_t dedx=track->GetTPCsignal();
2319 const UShort_t signalN=track->GetTPCsignalN();
2320 if (signalN<10 || dedx<10) return kDetNoSignal;
2321
2322 if (!(fArrPidResponseMaster && fArrPidResponseMaster->At(AliPID::kPion))) return kDetNoParams;
2323
2324 return kDetPidOk;
2325}
2326
2327//______________________________________________________________________________
2328AliPIDResponse::EDetPidStatus AliPIDResponse::GetTRDPIDStatus(const AliVTrack *track) const
2329{
2330 // compute TRD pid status
2331
2332 if((track->GetStatus()&AliVTrack::kTRDout)==0) return kDetNoSignal;
2333 return kDetPidOk;
2334}
2335
2336//______________________________________________________________________________
2337AliPIDResponse::EDetPidStatus AliPIDResponse::GetTOFPIDStatus(const AliVTrack *track) const
2338{
2339 // compute TOF pid status
2340
2341 if ((track->GetStatus()&AliVTrack::kTOFout)==0) return kDetNoSignal;
2342 if ((track->GetStatus()&AliVTrack::kTIME)==0) return kDetNoSignal;
2343
2344 return kDetPidOk;
2345}
2346
2347//______________________________________________________________________________
2348Float_t AliPIDResponse::GetTOFMismatchProbability(const AliVTrack *track) const
2349{
2350 // compute mismatch probability cross-checking at 5 sigmas with TPC
2351 // currently just implemented as a 5 sigma compatibility cut
2352
2353 // check pid status
2354 const EDetPidStatus tofStatus=GetTOFPIDStatus(track);
2355 if (tofStatus!=kDetPidOk) return 0.;
2356
2357 //mismatch
2358 const EDetPidStatus tpcStatus=GetTPCPIDStatus(track);
2359 if (tpcStatus!=kDetPidOk) return 0.;
2360
2361 const Double_t meanCorrFactor = 0.11/fTOFtail; // Correction factor on the mean because of the tail (should be ~ 0.1 with tail = 1.1)
2362 Bool_t mismatch = kTRUE/*, heavy = kTRUE*/;
2363 for (Int_t j=0; j<AliPID::kSPECIESC; j++) {
2364 AliPID::EParticleType type=AliPID::EParticleType(j);
2365 const Double_t nsigmas=GetNumberOfSigmasTOFold(track,type) + meanCorrFactor;
2366
2367 if (TMath::Abs(nsigmas)<5.){
2368 const Double_t nsigmasTPC=GetNumberOfSigmasTPC(track,type);
2369 if (TMath::Abs(nsigmasTPC)<5.) mismatch=kFALSE;
2370 }
2371 }
2372
2373 if (mismatch){
2374 return 1.;
2375 }
2376
2377 return 0.;
2378}
2379
355b831b 2380//______________________________________________________________________________
2381AliPIDResponse::EDetPidStatus AliPIDResponse:: GetHMPIDPIDStatus(const AliVTrack *track) const
2382{
2383 // compute HMPID pid status
567624b5 2384
2385 Int_t ch = track->GetHMPIDcluIdx()/1000000;
2386 Double_t HMPIDsignal = track->GetHMPIDsignal();
2387
2388 if((track->GetStatus()&AliVTrack::kHMPIDpid)==0 || ch<0 || ch>6 || HMPIDsignal<0) return kDetNoSignal;
2389
355b831b 2390 return kDetPidOk;
2391}
2392
2393//______________________________________________________________________________
2394AliPIDResponse::EDetPidStatus AliPIDResponse:: GetPHOSPIDStatus(const AliVTrack */*track*/) const
2395{
2396 // compute PHOS pid status
2397 return kDetNoSignal;
2398}
2399
2400//______________________________________________________________________________
2401AliPIDResponse::EDetPidStatus AliPIDResponse:: GetEMCALPIDStatus(const AliVTrack *track) const
2402{
2403 // compute EMCAL pid status
2404
2405
2406 // Track matching
2407 const Int_t nMatchClus = track->GetEMCALcluster();
2408 if (nMatchClus<0) return kDetNoSignal;
2409
2410 AliVCluster *matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
2411
2412 if (!(matchedClus && matchedClus->IsEMCAL())) return kDetNoSignal;
2413
2414 const Int_t charge = track->Charge();
2415 if (TMath::Abs(charge)!=1) return kDetNoSignal;
2416
2417 if (!(fEMCALPIDParams && fEMCALPIDParams->At(AliPID::kElectron))) return kDetNoParams;
2418
2419 return kDetPidOk;
2420
2421}
2422
2423//______________________________________________________________________________
2424AliPIDResponse::EDetPidStatus AliPIDResponse::GetPIDStatus(EDetector detector, const AliVTrack *track) const
2425{
2426 //
2427 // check pid status for a track
2428 //
2429
2430 switch (detector){
2431 case kITS: return GetITSPIDStatus(track); break;
2432 case kTPC: return GetTPCPIDStatus(track); break;
2433 case kTRD: return GetTRDPIDStatus(track); break;
2434 case kTOF: return GetTOFPIDStatus(track); break;
2435 case kPHOS: return GetPHOSPIDStatus(track); break;
2436 case kEMCAL: return GetEMCALPIDStatus(track); break;
2437 case kHMPID: return GetHMPIDPIDStatus(track); break;
2438 default: return kDetNoSignal;
2439 }
2440 return kDetNoSignal;
2441
2442}