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