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2 | /************************************************************************** | |
3 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * * | |
5 | * Author: The ALICE Off-line Project. * | |
6 | * Contributors are mentioned in the code where appropriate. * | |
7 | * * | |
8 | * Permission to use, copy, modify and distribute this software and its * | |
9 | * documentation strictly for non-commercial purposes is hereby granted * | |
10 | * without fee, provided that the above copyright notice appears in all * | |
11 | * copies and that both the copyright notice and this permission notice * | |
12 | * appear in the supporting documentation. The authors make no claims * | |
13 | * about the suitability of this software for any purpose. It is * | |
14 | * provided "as is" without express or implied warranty. * | |
15 | **************************************************************************/ | |
16 | ||
17 | //====================================================================== | |
18 | // Fill Unit Array | |
19 | // Called by AOD reader for jet analysis | |
20 | // Author: Magali Estienne (magali.estienne@ires.in2p3.fr) | |
21 | //====================================================================== | |
22 | ||
23 | class TSystem; | |
24 | class TLorentzVector; | |
25 | class TGeoManager; | |
26 | class TArrayS; | |
27 | ||
28 | // --- AliRoot header files --- | |
29 | #include "AliJetUnitArray.h" | |
30 | #include "AliJetAODFillUnitArrayEMCalDigits.h" | |
31 | class AliJetFinder; | |
32 | ||
33 | // #include "AliEMCALCalibData.h" | |
34 | // #include "AliCDBManager.h" | |
35 | // class AliCDBStorage; | |
36 | // #include "AliCDBEntry.h" | |
37 | ||
38 | ||
39 | ClassImp(AliJetAODFillUnitArrayEMCalDigits) | |
40 | ||
41 | //_____________________________________________________________________________ | |
42 | AliJetAODFillUnitArrayEMCalDigits::AliJetAODFillUnitArrayEMCalDigits() | |
43 | : AliJetFillUnitArray(), | |
44 | fAOD(0), | |
45 | fNIn(0), | |
46 | fCluster(0), | |
47 | fNCEMCAL(0), | |
48 | fNCPHOS(0), | |
49 | fNCCalo(0), | |
50 | fApplyElectronCorrection(kFALSE), | |
51 | fApplyFractionHadronicCorrection(kFALSE), | |
52 | fFractionHadronicCorrection(0.3), | |
53 | fClus(0x0), | |
54 | fNDigitEmcal(0), | |
55 | fNDigitEmcalCut(0) | |
56 | { | |
57 | // constructor | |
58 | } | |
59 | ||
60 | //_____________________________________________________________________________ | |
61 | AliJetAODFillUnitArrayEMCalDigits::AliJetAODFillUnitArrayEMCalDigits(AliAODEvent *aod) | |
62 | : AliJetFillUnitArray(), | |
63 | fAOD(aod), | |
64 | fNIn(0), | |
65 | fCluster(0), | |
66 | fNCEMCAL(0), | |
67 | fNCPHOS(0), | |
68 | fNCCalo(0), | |
69 | fApplyElectronCorrection(kFALSE), | |
70 | fApplyFractionHadronicCorrection(kFALSE), | |
71 | fFractionHadronicCorrection(0.3), | |
72 | fClus(0x0), | |
73 | fNDigitEmcal(0), | |
74 | fNDigitEmcalCut(0) | |
75 | { | |
76 | // constructor | |
77 | } | |
78 | ||
79 | //_____________________________________________________________________________ | |
80 | AliJetAODFillUnitArrayEMCalDigits::AliJetAODFillUnitArrayEMCalDigits(const AliJetAODFillUnitArrayEMCalDigits &det) | |
81 | : AliJetFillUnitArray(det), | |
82 | fAOD(det.fAOD), | |
83 | fNIn(det.fNIn), | |
84 | fCluster(det.fCluster), | |
85 | fNCEMCAL(det.fNCEMCAL), | |
86 | fNCPHOS(det.fNCPHOS), | |
87 | fNCCalo(det.fNCCalo), | |
88 | fApplyElectronCorrection(det.fApplyElectronCorrection), | |
89 | fApplyFractionHadronicCorrection(det.fApplyFractionHadronicCorrection), | |
90 | fFractionHadronicCorrection(det.fFractionHadronicCorrection), | |
91 | fClus(det.fClus), | |
92 | fNDigitEmcal(det.fNDigitEmcal), | |
93 | fNDigitEmcalCut(det.fNDigitEmcalCut) | |
94 | { | |
95 | // Copy constructor | |
96 | } | |
97 | ||
98 | //_____________________________________________________________________________ | |
99 | AliJetAODFillUnitArrayEMCalDigits& AliJetAODFillUnitArrayEMCalDigits::operator=(const AliJetAODFillUnitArrayEMCalDigits& other) | |
100 | { | |
101 | // Assignment | |
102 | ||
103 | fAOD = other.fAOD; | |
104 | fNIn = other.fNIn; | |
105 | fCluster = other.fCluster; | |
106 | fNCEMCAL = other.fNCEMCAL; | |
107 | fNCPHOS = other.fNCPHOS; | |
108 | fNCCalo = other.fNCCalo; | |
109 | fApplyElectronCorrection = other.fApplyElectronCorrection; | |
110 | fApplyFractionHadronicCorrection = other.fApplyFractionHadronicCorrection; | |
111 | fFractionHadronicCorrection = other.fFractionHadronicCorrection; | |
112 | fClus = other.fClus; | |
113 | fNDigitEmcal = other.fNDigitEmcal; | |
114 | fNDigitEmcalCut = other.fNDigitEmcalCut; | |
115 | ||
116 | return (*this); | |
117 | ||
118 | } | |
119 | ||
120 | //_____________________________________________________________________________ | |
121 | AliJetAODFillUnitArrayEMCalDigits::~AliJetAODFillUnitArrayEMCalDigits() | |
122 | { | |
123 | // destructor | |
124 | } | |
125 | ||
126 | ||
127 | ||
128 | //_____________________________________________________________________________ | |
129 | void AliJetAODFillUnitArrayEMCalDigits::Exec(Option_t* const /*option*/) | |
130 | //void AliJetAODFillUnitArrayEMCalDigits::Exec(Option_t* option) | |
131 | { | |
132 | // | |
133 | // Main method. | |
134 | // Fill the unit array with the neutral particle information from the EMCal cells in AOD | |
135 | ||
136 | fDebug = fReaderHeader->GetDebug(); | |
137 | fOpt = fReaderHeader->GetDetector(); | |
138 | fCluster = fReaderHeader->GetCluster(); | |
139 | ||
140 | // Init parameters | |
e36a3f22 | 141 | // InitParameters(); |
be6e5811 | 142 | |
be6e5811 | 143 | Int_t goodDigit = 0; |
be6e5811 | 144 | Int_t index = 0; |
be6e5811 | 145 | |
146 | if(!fCluster) { // Keep all digit information | |
e36a3f22 | 147 | |
be6e5811 | 148 | // Loop over all cell information |
149 | //------------------------------------------------------------------ | |
150 | AliAODCaloCells &cells= *(fAOD->GetEMCALCells()); | |
151 | Int_t ncell = cells.GetNumberOfCells() ; | |
152 | //(not used ?) Int_t type = cells.GetType(); | |
153 | ||
154 | for (Int_t icell= 0; icell < ncell; icell++) { | |
155 | Int_t digitID = cells.GetCellNumber(icell); | |
156 | Float_t digitAmp = cells.GetAmplitude(icell); | |
157 | Float_t digitEn = digitAmp*0.0153; // Last correct | |
158 | // Float_t digitEn = Calibrate(digitAmp,digitID); | |
159 | ||
160 | Float_t etaD=-10., phiD=-10.; | |
161 | fGeom->EtaPhiFromIndex(digitID,etaD,phiD); | |
162 | // fEMCalGrid->GetEtaPhiFromIndex2(digitID,phiD,etaD); | |
163 | ||
164 | phiD = ((phiD < 0) ? phiD + 2.* TMath::Pi() : phiD); | |
165 | ||
e36a3f22 | 166 | // Float_t digitEt = digitEn*TMath::Abs(TMath::Sin(EtaToTheta(etaD))); |
be6e5811 | 167 | |
168 | AliJetUnitArray *uArray = (AliJetUnitArray*)fUnitArray->At(digitID); | |
169 | ||
170 | if(uArray->GetUnitEnergy() == 0.) goodDigit++; | |
171 | uArray->SetUnitTrackID(digitID); | |
172 | ||
173 | Float_t unitEnergy = 0.; | |
174 | Bool_t ok = kFALSE; | |
175 | unitEnergy = uArray->GetUnitEnergy(); | |
176 | ||
177 | if(unitEnergy==0){ | |
178 | if(!fProcId){ | |
179 | new(fRefArray) TRefArray(TProcessID::GetProcessWithUID(uArray)); | |
180 | fProcId = kTRUE; | |
181 | } | |
182 | fRefArray->Add(uArray); | |
183 | fNDigitEmcal++; | |
184 | ok = kTRUE; | |
185 | } | |
186 | ||
e36a3f22 | 187 | // Hadronic Correction |
188 | double correction=0; | |
189 | if (fApplyFractionHadronicCorrection) { | |
190 | ||
191 | TArrayS* matched = new TArrayS(); | |
192 | GetTracksPointingToCell(matched, etaD, phiD,0.02); | |
193 | ||
194 | double ptot = 0; | |
195 | for(int itrack = 0; itrack < matched->GetSize(); itrack++) | |
196 | { | |
08c28025 | 197 | const short indexS = matched->At(itrack); |
198 | if (indexS>-1) | |
e36a3f22 | 199 | { |
08c28025 | 200 | AliAODTrack *track = fAOD->GetTrack(indexS); |
e36a3f22 | 201 | ptot += track->P(); |
e36a3f22 | 202 | } |
203 | } | |
204 | ||
205 | correction = ptot * fFractionHadronicCorrection; | |
206 | ||
207 | if (ptot>0 && fDebug>1 ) { | |
208 | printf("SUM of track momentum for this cell: p=%f \n", ptot); | |
209 | printf("fractional correction=%f \n", fFractionHadronicCorrection); | |
210 | printf("TOTAL correction=%f \n", correction ); | |
211 | } | |
212 | ||
213 | delete matched; | |
214 | ||
215 | }//end hadronic correction | |
216 | ||
217 | double enerCorr = digitEn; | |
218 | if (correction >= enerCorr) enerCorr = 0; | |
219 | else enerCorr -= correction; | |
220 | if (correction>0 && fDebug>1) { | |
221 | printf("AliJetAODFillUnitArrayEMCALDigits---Hadronic Correction: uncorrected E=%f, corrected E=%f \n", digitEn, enerCorr); | |
222 | } | |
223 | ||
224 | Float_t digitEt = enerCorr*TMath::Abs(TMath::Sin(EtaToTheta(etaD))); | |
225 | ||
be6e5811 | 226 | // Detector flag |
227 | if(unitEnergy>0.) | |
228 | uArray->SetUnitDetectorFlag(kAll); | |
229 | else uArray->SetUnitDetectorFlag(kEmcal); | |
230 | ||
231 | uArray->SetUnitEnergy(unitEnergy+digitEt); | |
232 | ||
233 | uArray->SetUnitCutFlag(kPtHigher); | |
234 | ||
235 | // To be modified !!! | |
236 | uArray->SetUnitSignalFlag(kGood); | |
237 | ||
238 | // This is for jet multiplicity | |
239 | uArray->SetUnitClusterID(index); | |
240 | ||
241 | if(fDebug > 12) printf("goodDigit : %d\n", goodDigit); | |
242 | ||
243 | } // End loop over cells | |
244 | } // end if !fCluster | |
245 | else { // Keep digit information from clusterization | |
246 | ||
247 | // Loop over calo clusters | |
248 | //------------------------------------------------------------------ | |
249 | ||
250 | // select EMCAL clusters only | |
251 | TRefArray * caloClusters = new TRefArray(); | |
252 | fAOD->GetEMCALClusters(caloClusters); | |
253 | ||
254 | // Total number of EMCAL cluster | |
255 | Int_t nclus = caloClusters->GetEntries() ; | |
256 | Int_t beg = 0; | |
257 | Float_t pos[3] ; | |
258 | ||
259 | // Get CaloCells | |
260 | AliAODCaloCells &cells= *(fAOD->GetEMCALCells()); | |
be6e5811 | 261 | |
262 | for(Int_t j = beg; j < nclus; j++) { // loop over clusters | |
263 | // Retrieve cluster from aod | |
08c28025 | 264 | fClus = (AliAODCaloCluster *) caloClusters->At(j) ; |
be6e5811 | 265 | |
266 | // Get the cluster info | |
be6e5811 | 267 | |
268 | fClus->GetPosition(pos) ; | |
269 | TVector3 vpos(pos[0],pos[1],pos[2]) ; | |
270 | ||
271 | Int_t digMult = fClus->GetNCells() ; | |
272 | UShort_t *digID = fClus->GetCellsAbsId() ; | |
be6e5811 | 273 | Int_t trackIndex = -1; |
274 | if(fClus->GetNTracksMatched()!=0) | |
275 | trackIndex = ((AliAODTrack*)fClus->GetTrackMatched(0))->GetID(); | |
e36a3f22 | 276 | |
be6e5811 | 277 | // Do double-counted electron correction |
278 | if (fApplyElectronCorrection != 0 && trackIndex !=-1 ) | |
279 | { | |
280 | // The electron correction go there | |
281 | // Under construction !!!! | |
282 | } // End of Electron correction | |
283 | ||
284 | // Get CaloCells of cluster and fill the unitArray | |
285 | for(Int_t i = 0; i < digMult ; i++) { | |
286 | Int_t digitID = digID[i]; // or clus->GetCellNumber(i) ; | |
be6e5811 | 287 | Float_t digitAmp = cells.GetCellAmplitude(digitID) ; |
288 | ||
289 | // Calibration for an energy in GeV | |
290 | Float_t digitEn = digitAmp*0.0153; | |
291 | ||
292 | Float_t etaD=-10., phiD=-10.; | |
293 | fGeom->EtaPhiFromIndex(digitID,etaD,phiD); | |
294 | // fEMCalGrid->GetEtaPhiFromIndex2(digitID,phiD,etaD); | |
295 | ||
296 | phiD = ((phiD < 0) ? phiD + 2.* TMath::Pi() : phiD); | |
297 | ||
e36a3f22 | 298 | // Hadronic Correction |
299 | double correction=0; | |
300 | if (fApplyFractionHadronicCorrection) { | |
301 | ||
302 | TArrayS* matched = new TArrayS(); | |
303 | GetTracksPointingToCell(matched, etaD, phiD,0.02); | |
304 | ||
305 | double ptot = 0; | |
306 | for(int itrack = 0; itrack < matched->GetSize(); itrack++) | |
307 | { | |
08c28025 | 308 | const short indexS = matched->At(itrack); |
309 | if (indexS>-1) | |
e36a3f22 | 310 | { |
08c28025 | 311 | AliAODTrack *track = fAOD->GetTrack(indexS); |
e36a3f22 | 312 | ptot += track->P(); |
e36a3f22 | 313 | } |
314 | } | |
315 | ||
316 | correction = ptot * fFractionHadronicCorrection; | |
317 | ||
318 | if (ptot>0 && fDebug>1 ) { | |
319 | printf("SUM of track momentum for this cell: p=%f \n", ptot); | |
320 | printf("fractional correction=%f \n", fFractionHadronicCorrection); | |
321 | printf("TOTAL correction=%f \n", correction ); | |
322 | } | |
323 | ||
324 | delete matched; | |
325 | ||
326 | }//end hadronic correction | |
327 | ||
328 | double enerCorr = digitEn; | |
329 | if (correction >= enerCorr) enerCorr = 0; | |
330 | else enerCorr -= correction; | |
331 | if (correction>0 && fDebug>1) { | |
332 | printf("AliJetAODFillUnitArrayEMCALDigits---Hadronic Correction: uncorrected E=%f, corrected E=%f \n", digitEn, enerCorr); | |
333 | } | |
334 | ||
335 | Float_t digitEt = enerCorr*TMath::Abs(TMath::Sin(EtaToTheta(etaD))); | |
be6e5811 | 336 | |
337 | AliJetUnitArray *uArray = (AliJetUnitArray*)fUnitArray->At(digitID); | |
338 | if(uArray->GetUnitEnergy() == 0.) goodDigit++; | |
339 | uArray->SetUnitTrackID(digitID); | |
340 | ||
341 | Float_t unitEnergy = 0.; | |
342 | Bool_t ok = kFALSE; | |
343 | unitEnergy = uArray->GetUnitEnergy(); | |
344 | ||
345 | if(unitEnergy==0){ | |
346 | if(!fProcId){ | |
347 | new(fRefArray) TRefArray(TProcessID::GetProcessWithUID(uArray)); | |
348 | fProcId = kTRUE; | |
349 | } | |
350 | fRefArray->Add(uArray); | |
351 | fNDigitEmcal++; | |
352 | ok = kTRUE; | |
353 | } | |
354 | ||
355 | // Detector flag | |
356 | if(unitEnergy>0.) | |
357 | uArray->SetUnitDetectorFlag(kAll); | |
358 | else uArray->SetUnitDetectorFlag(kEmcal); | |
359 | ||
360 | uArray->SetUnitEnergy(unitEnergy+digitEt); | |
361 | ||
362 | uArray->SetUnitCutFlag(kPtHigher); | |
363 | ||
364 | // Signal or background | |
365 | // To be modified !!! | |
366 | uArray->SetUnitSignalFlag(kGood); | |
367 | ||
368 | // This is for jet multiplicity | |
369 | uArray->SetUnitClusterID(index); | |
370 | ||
371 | if(fDebug > 12) printf("goodDigit : %d\n", goodDigit); | |
372 | ||
373 | }// End loop over cells | |
374 | } // End loop over clusters | |
375 | } // end else | |
376 | ||
377 | fNIn += goodDigit; | |
378 | ||
379 | if(fDebug>1) | |
380 | { | |
381 | printf("End of digits %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%"); | |
382 | printf("goodDigit : %d\n", goodDigit); | |
383 | } | |
384 | } | |
385 | ||
e36a3f22 | 386 | //____________________________________________________________________________ |
387 | void AliJetAODFillUnitArrayEMCalDigits::GetTracksPointingToCell(TArrayS* array,Double_t eta, Double_t phi, Double_t cut) | |
388 | { | |
389 | ||
390 | int size=0; | |
391 | ||
392 | for (Int_t itrk = 0; itrk < fAOD->GetNumberOfTracks() ; itrk++) { //track loop | |
393 | ||
394 | AliAODTrack * track = (AliAODTrack*) fAOD->GetTrack(itrk) ; | |
395 | AliAODPid* pid = (AliAODPid*) track->GetDetPid(); | |
396 | ||
397 | if(pid) { | |
398 | Double_t emcpos[3]; | |
399 | pid->GetEMCALPosition(emcpos); | |
400 | TVector3 tpos(emcpos[0],emcpos[1],emcpos[2]); | |
401 | ||
402 | Double_t deta = tpos.Eta() - eta; | |
403 | Double_t dphi = tpos.Phi() - phi; | |
404 | ||
405 | if(dphi > TMath::Pi()) dphi -= 2*TMath::Pi(); | |
406 | if(dphi < -TMath::Pi()) dphi += 2*TMath::Pi(); | |
407 | ||
408 | Double_t res = sqrt(dphi*dphi + deta*deta); | |
409 | ||
410 | if (res< cut) { | |
411 | //add this track-index | |
412 | size++; | |
413 | array->Set( size ); | |
414 | array->AddAt( itrk, (size-1) ); | |
415 | if(fDebug>1) printf("MTH:: track %d matched cell at eta=%f , phi=%f \n", itrk, eta, phi); | |
416 | ||
417 | } | |
418 | } | |
419 | } | |
420 | ||
421 | } | |
422 | ||
be6e5811 | 423 | /* |
424 | //____________________________________________________________________________ | |
425 | void AliJetAODFillUnitArrayEMCalDigits::GetCalibrationParameters() | |
426 | { | |
427 | // Set calibration parameters: | |
428 | // if calibration database exists, they are read from database, | |
429 | // otherwise, they are taken from digitizer. | |
430 | // | |
431 | // It is a user responsilibity to open CDB before reconstruction, | |
432 | // for example: | |
433 | // AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB"); | |
434 | ||
435 | //Check if calibration is stored in data base | |
436 | ||
437 | if(!fCalibData && (AliCDBManager::Instance()->IsDefaultStorageSet())) | |
438 | { | |
439 | AliCDBEntry *entry = (AliCDBEntry*) | |
440 | AliCDBManager::Instance()->Get("EMCAL/Calib/Data"); | |
441 | if (entry) fCalibData = (AliEMCALCalibData*) entry->GetObject(); | |
442 | } | |
443 | ||
444 | if(!fCalibData) | |
445 | printf("************* Calibration parameters not found in CDB! ****************"); | |
446 | // AliFatal("Calibration parameters not found in CDB!"); | |
447 | ||
448 | ||
449 | } | |
450 | ||
451 | //____________________________________________________________________________ | |
452 | Float_t AliJetAODFillUnitArrayEMCalDigits::Calibrate(Int_t amp, Int_t AbsId) | |
453 | { | |
454 | ||
455 | // Convert digitized amplitude into energy. | |
456 | // Calibration parameters are taken from calibration data base for raw data, | |
457 | // or from digitizer parameters for simulated data. | |
458 | ||
459 | if(fCalibData){ | |
460 | ||
461 | if (fGeom==0) | |
462 | printf("************* Did not get geometry from EMCALLoader ***************"); | |
463 | // AliFatal("Did not get geometry from EMCALLoader") ; | |
464 | ||
465 | Int_t iSupMod = -1; | |
466 | Int_t nModule = -1; | |
467 | Int_t nIphi = -1; | |
468 | Int_t nIeta = -1; | |
469 | Int_t iphi = -1; | |
470 | Int_t ieta = -1; | |
471 | ||
472 | Bool_t bCell = fGeom->GetCellIndex(AbsId, iSupMod, nModule, nIphi, nIeta) ; | |
473 | if(!bCell) { | |
474 | // fGeom->PrintGeometry(); | |
475 | Error("Calibrate()"," Wrong cell id number : %i", AbsId); | |
476 | assert(0); | |
477 | } | |
478 | ||
479 | fGeom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta); | |
480 | ||
481 | fADCchannelECA = fCalibData->GetADCchannel (iSupMod,ieta,iphi); | |
482 | fADCpedestalECA = fCalibData->GetADCpedestal(iSupMod,ieta,iphi); | |
483 | ||
484 | return -fADCpedestalECA + amp * fADCchannelECA ; | |
485 | ||
486 | } | |
487 | else //Return energy with default parameters if calibration is not available | |
488 | return -fADCpedestalECA + amp * fADCchannelECA ; | |
489 | ||
490 | } | |
491 | */ | |
492 | ||
493 |