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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
16/* $Id$ */
17
18//_________________________________________________________________________
19//--
20//-- Yves Schutz (SUBATECH)
21// Reconstruction class. Redesigned from the old AliReconstructionner class and
22// derived from STEER/AliReconstructor.
23//
24// --- ROOT system ---
25#include "TGeoManager.h"
26#include "TGeoMatrix.h"
27
28// --- Standard library ---
29
30// --- AliRoot header files ---
31#include "AliLog.h"
32#include "AliAltroMapping.h"
33#include "AliESDEvent.h"
34#include "AliESDCaloCluster.h"
35#include "AliESDCaloCells.h"
36#include "AliPHOSReconstructor.h"
37#include "AliPHOSClusterizerv1.h"
38#include "AliPHOSTrackSegmentMakerv1.h"
39#include "AliPHOSPIDv1.h"
40#include "AliPHOSTracker.h"
41#include "AliRawReader.h"
42#include "AliPHOSCalibData.h"
43#include "AliCDBEntry.h"
44#include "AliCDBManager.h"
45#include "AliPHOSTrigger.h"
46#include "AliPHOSGeometry.h"
47#include "AliPHOSDigit.h"
48#include "AliPHOSTrackSegment.h"
49#include "AliPHOSEmcRecPoint.h"
50#include "AliPHOSRecParticle.h"
51#include "AliPHOSRawFitterv0.h"
52#include "AliPHOSRawFitterv1.h"
53#include "AliPHOSRawFitterv2.h"
54#include "AliPHOSRawFitterv3.h"
55#include "AliPHOSRawFitterv4.h"
56#include "AliPHOSRawDigiProducer.h"
57#include "AliPHOSPulseGenerator.h"
58#include "AliPHOSTriggerRawDigit.h"
59#include "AliPHOSTriggerRawDigiProducer.h"
60#include "AliPHOSTriggerParameters.h"
61
62ClassImp(AliPHOSReconstructor)
63
64Bool_t AliPHOSReconstructor::fgDebug = kFALSE ;
65TClonesArray* AliPHOSReconstructor::fgDigitsArray = 0; // Array of PHOS digits
66TObjArray* AliPHOSReconstructor::fgEMCRecPoints = 0; // Array of EMC rec.points
67AliPHOSCalibData * AliPHOSReconstructor::fgCalibData = 0 ;
68TClonesArray* AliPHOSReconstructor::fgTriggerDigits = 0; // Array of PHOS trigger digits
69
70//____________________________________________________________________________
71AliPHOSReconstructor::AliPHOSReconstructor() :
72 fGeom(NULL),fClusterizer(NULL),fTSM(NULL),fPID(NULL),fTmpDigLG(NULL)
73{
74 // ctor
75 fGeom = AliPHOSGeometry::GetInstance("IHEP","");
76 fClusterizer = new AliPHOSClusterizerv1 (fGeom);
77 fTSM = new AliPHOSTrackSegmentMakerv1(fGeom);
78 fPID = new AliPHOSPIDv1 (fGeom);
79 fTmpDigLG = new TClonesArray("AliPHOSDigit",100);
80 fgDigitsArray = new TClonesArray("AliPHOSDigit",100);
81 fgEMCRecPoints = new TObjArray(100) ;
82 if (!fgCalibData)
83 fgCalibData = new AliPHOSCalibData(-1); //use AliCDBManager's run number
84
85 fgTriggerDigits = new TClonesArray("AliPHOSTriggerRawDigit",100);
86
87 AliInfo(Form("PHOS bad channel map contains %d bad channel(s).\n",
88 fgCalibData->GetNumOfEmcBadChannels()));
89
90}
91
92//____________________________________________________________________________
93AliPHOSReconstructor::~AliPHOSReconstructor()
94{
95 // dtor
96 delete fGeom;
97 delete fClusterizer;
98 delete fTSM;
99 delete fPID;
100 delete fTmpDigLG;
101 delete fgDigitsArray;
102 delete fgEMCRecPoints;
103 delete fgTriggerDigits;
104}
105
106//____________________________________________________________________________
107void AliPHOSReconstructor::Reconstruct(TTree* digitsTree, TTree* clustersTree) const
108{
109 // 'single-event' local reco method called by AliReconstruction;
110 // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track
111 // segment maker needs access to the AliESDEvent object to retrieve the tracks reconstructed by
112 // the global tracking.
113
114 fClusterizer->InitParameters();
115 fClusterizer->SetInput(digitsTree);
116 fClusterizer->SetOutput(clustersTree);
117 if ( Debug() )
118 fClusterizer->Digits2Clusters("deb all") ;
119 else
120 fClusterizer->Digits2Clusters("") ;
121}
122
123//____________________________________________________________________________
124void AliPHOSReconstructor::FillESD(TTree* digitsTree, TTree* clustersTree,
125 AliESDEvent* esd) const
126{
127 // This method produces PHOS rec-particles,
128 // then it creates AliESDtracks out of them and
129 // write tracks to the ESD
130
131
132 // do current event; the loop over events is done by AliReconstruction::Run()
133 fTSM->SetESD(esd) ;
134 fTSM->SetInput(clustersTree);
135 if ( Debug() )
136 fTSM->Clusters2TrackSegments("deb all") ;
137 else
138 fTSM->Clusters2TrackSegments("") ;
139
140 fPID->SetInput(clustersTree, fTSM->GetTrackSegments()) ;
141 fPID->SetESD(esd) ;
142 if ( Debug() )
143 fPID->TrackSegments2RecParticles("deb all") ;
144 else
145 fPID->TrackSegments2RecParticles("") ;
146
147 TClonesArray *recParticles = fPID->GetRecParticles();
148 Int_t nOfRecParticles = recParticles->GetEntriesFast();
149
150 AliDebug(2,Form("%d rec. particles, option %s",nOfRecParticles,GetOption()));
151
152 // Read digits array
153
154 TBranch *branch = digitsTree->GetBranch("PHOS");
155 if (!branch) {
156 AliError("can't get the branch with the PHOS digits !");
157 return;
158 }
159 branch->SetAddress(&fgDigitsArray);
160 branch->GetEntry(0);
161
162 // Get the clusters array
163
164 TBranch *emcbranch = clustersTree->GetBranch("PHOSEmcRP");
165 if (!emcbranch) {
166 AliError("can't get the branch with the PHOS EMC clusters !");
167 return;
168 }
169
170 emcbranch->SetAddress(&fgEMCRecPoints);
171 emcbranch->GetEntry(0);
172
173
174 // Trigger
175
176 TBranch *tbranch = digitsTree->GetBranch("TPHOS");
177 if (tbranch) {
178
179 tbranch->SetAddress(&fgTriggerDigits);
180 tbranch->GetEntry(0);
181
182 AliESDCaloTrigger* trgESD = esd->GetCaloTrigger("PHOS");
183
184 if (trgESD) {
185 trgESD->Allocate(fgTriggerDigits->GetEntriesFast());
186
187 for (Int_t i = 0; i < fgTriggerDigits->GetEntriesFast(); i++) {
188 AliPHOSTriggerRawDigit* tdig = (AliPHOSTriggerRawDigit*)fgTriggerDigits->At(i);
189
190 Int_t mod,modX,modZ;
191 tdig->GetModXZ(mod,modX,modZ);
192
193 const Int_t relId[4] = {5-mod,0,modX+1,modZ+1};
194 Int_t absId;
195
196 fGeom->RelToAbsNumbering(relId,absId);
197 trgESD->Add(mod,absId,tdig->GetAmp(),0.,(Int_t*)NULL,0,0,0);
198 }
199 }
200 }
201
202// //#########Calculate trigger and set trigger info###########
203
204// AliPHOSTrigger tr ;
205// // tr.SetPatchSize(1);//create 4x4 patches
206// tr.SetSimulation(kFALSE);
207// tr.Trigger(fgDigitsArray);
208
209// Float_t maxAmp2x2 = tr.Get2x2MaxAmplitude();
210// Float_t maxAmpnxn = tr.GetnxnMaxAmplitude();
211// Float_t ampOutOfPatch2x2 = tr.Get2x2AmpOutOfPatch() ;
212// Float_t ampOutOfPatchnxn = tr.GetnxnAmpOutOfPatch() ;
213
214// Int_t iSM2x2 = tr.Get2x2SuperModule();
215// Int_t iSMnxn = tr.GetnxnSuperModule();
216// Int_t iCrystalPhi2x2 = tr.Get2x2CrystalPhi();
217// Int_t iCrystalPhinxn = tr.GetnxnCrystalPhi();
218// Int_t iCrystalEta2x2 = tr.Get2x2CrystalEta();
219// Int_t iCrystalEtanxn = tr.GetnxnCrystalEta();
220
221// AliDebug(2, Form("Trigger 2x2 max amp %f, out amp %f, SM %d, iphi %d ieta %d",
222// maxAmp2x2, ampOutOfPatch2x2, iSM2x2,iCrystalPhi2x2, iCrystalEta2x2));
223// AliDebug(2, Form("Trigger 4x4 max amp %f , out amp %f, SM %d, iphi %d, ieta %d",
224// maxAmpnxn, ampOutOfPatchnxn, iSMnxn,iCrystalPhinxn, iCrystalEtanxn));
225
226// // Attention! PHOS modules in order to calculate AbsId need to be 1-5 not 0-4 as returns trigger.
227// Int_t iRelId2x2 []= {iSM2x2+1,0,iCrystalPhi2x2,iCrystalEta2x2};
228// Int_t iAbsId2x2 =-1;
229// Int_t iRelIdnxn []= {iSMnxn+1,0,iCrystalPhinxn,iCrystalEtanxn};
230// Int_t iAbsIdnxn =-1;
231// TVector3 pos2x2(-1,-1,-1);
232// TVector3 posnxn(-1,-1,-1);
233// fGeom->RelToAbsNumbering(iRelId2x2, iAbsId2x2);
234// fGeom->RelToAbsNumbering(iRelIdnxn, iAbsIdnxn);
235// fGeom->RelPosInAlice(iAbsId2x2, pos2x2);
236// fGeom->RelPosInAlice(iAbsIdnxn, posnxn);
237
238// TArrayF triggerPosition(6);
239// triggerPosition[0] = pos2x2(0) ;
240// triggerPosition[1] = pos2x2(1) ;
241// triggerPosition[2] = pos2x2(2) ;
242// triggerPosition[3] = posnxn(0) ;
243// triggerPosition[4] = posnxn(1) ;
244// triggerPosition[5] = posnxn(2) ;
245
246// TArrayF triggerAmplitudes(4);
247// triggerAmplitudes[0] = maxAmp2x2 ;
248// triggerAmplitudes[1] = ampOutOfPatch2x2 ;
249// triggerAmplitudes[2] = maxAmpnxn ;
250// triggerAmplitudes[3] = ampOutOfPatchnxn ;
251
252// //esd->SetPHOSTriggerCells(triggerPosition);
253// esd->AddPHOSTriggerPosition(triggerPosition);
254// esd->AddPHOSTriggerAmplitudes(triggerAmplitudes);
255
256
257 //########################################
258 //############# Fill CaloCells ###########
259 //########################################
260
261 Int_t nDigits = fgDigitsArray->GetEntries();
262 Int_t idignew = 0 ;
263 AliDebug(1,Form("%d digits",nDigits));
264
265 const Int_t knEMC = fGeom->GetNModules()*fGeom->GetNPhi()*fGeom->GetNZ();
266 AliESDCaloCells &phsCells = *(esd->GetPHOSCells());
267 phsCells.CreateContainer(nDigits);
268 phsCells.SetType(AliESDCaloCells::kPHOSCell);
269
270 // Add to CaloCells only EMC digits with non-zero energy
271 for (Int_t idig = 0 ; idig < nDigits ; idig++) {
272 const AliPHOSDigit * dig = (const AliPHOSDigit*)fgDigitsArray->At(idig);
273 if(dig->GetId() <= knEMC &&
274 Calibrate(dig->GetEnergy(),dig->GetId()) > GetRecoParam()->GetEMCMinE() ){
275 Int_t primary = dig->GetPrimary(1) ;
276 //For real data always primary==-1, we use this field to mark cells with overflow
277 //in HG channel. This is not needed in MC simulations,
278 if(primary==-1 && dig->IsLG())
279 primary=-2 ;
280 phsCells.SetCell(idignew,dig->GetId(), Calibrate(dig->GetEnergy(),dig->GetId()),
281 CalibrateT(dig->GetTime(),dig->GetId(),dig->IsLG()),
282 primary) ;
283 idignew++;
284 }
285 }
286 phsCells.SetNumberOfCells(idignew);
287 phsCells.Sort();
288
289 //########################################
290 //############## Fill CaloClusters #######
291 //########################################
292
293 for (Int_t recpart = 0 ; recpart < nOfRecParticles ; recpart++) {
294 AliPHOSRecParticle *rp = static_cast<AliPHOSRecParticle*>(recParticles->At(recpart));
295 if (Debug())
296 rp->Print();
297 // Get track segment and EMC rec.point associated with this rec.particle
298 AliPHOSTrackSegment *ts = static_cast<AliPHOSTrackSegment *>(fTSM->GetTrackSegments()
299 ->At(rp->GetPHOSTSIndex()));
300
301 AliPHOSEmcRecPoint *emcRP = static_cast<AliPHOSEmcRecPoint *>(fgEMCRecPoints->At(ts->GetEmcIndex()));
302 AliESDCaloCluster *ec = new AliESDCaloCluster() ;
303
304 Float_t xyz[3];
305 for (Int_t ixyz=0; ixyz<3; ixyz++)
306 xyz[ixyz] = rp->GetPos()[ixyz];
307
308 AliDebug(2,Form("Global position xyz=(%f,%f,%f)",xyz[0],xyz[1],xyz[2]));
309
310 // Create cell lists
311
312 Int_t cellMult = emcRP->GetDigitsMultiplicity();
313 Int_t *digitsList = emcRP->GetDigitsList();
314 Float_t *rpElist = emcRP->GetEnergiesList() ;
315 UShort_t *absIdList = new UShort_t[cellMult];
316 Double_t *fracList = new Double_t[cellMult];
317
318 for (Int_t iCell=0; iCell<cellMult; iCell++) {
319 AliPHOSDigit *digit = static_cast<AliPHOSDigit *>(fgDigitsArray->At(digitsList[iCell]));
320 absIdList[iCell] = (UShort_t)(digit->GetId());
321 if (digit->GetEnergy() > 0)
322 fracList[iCell] = rpElist[iCell]/(Calibrate(digit->GetEnergy(),digit->GetId()));
323 else
324 fracList[iCell] = 0;
325 }
326
327 //Primaries
328 Int_t primMult = 0;
329 Int_t *primList = emcRP->GetPrimaries(primMult);
330
331 Float_t energy=0.;
332 if (GetRecoParam()->EMCEcore2ESD())
333 energy = emcRP->GetCoreEnergy();
334 else
335 energy = rp->Energy();
336 //Apply nonlinearity correction
337 if(GetRecoParam()->GetEMCEnergyCorrectionOn())
338 energy=CorrectNonlinearity(energy) ;
339
340 // fills the ESDCaloCluster
341 ec->SetType(AliVCluster::kPHOSNeutral);
342 ec->SetPosition(xyz); //rec.point position in MARS
343 ec->SetE(energy); //total or core particle energy
344 ec->SetDispersion(emcRP->GetDispersion()); //cluster dispersion
345 ec->SetPID(rp->GetPID()) ; //array of particle identification
346 ec->SetM02(emcRP->GetM2x()) ; //second moment M2x
347 ec->SetM20(emcRP->GetM2z()) ; //second moment M2z
348 ec->SetNExMax(emcRP->GetNExMax()); //number of local maxima
349 ec->SetEmcCpvDistance(ts->GetCpvDistance("r")); //Only radius, what about separate x,z????
350 ec->SetTrackDistance(ts->GetCpvDistance("x"),ts->GetCpvDistance("z"));
351 ec->SetChi2(-1); //not yet implemented
352 ec->SetTOF(emcRP->GetTime()); //Time of flight - already calibrated in EMCRecPoint
353
354 //Cells contributing to clusters
355 ec->SetNCells(cellMult);
356 ec->SetCellsAbsId(absIdList);
357 ec->SetCellsAmplitudeFraction(fracList);
358
359 //Distance to the nearest bad crystal
360 ec->SetDistanceToBadChannel(emcRP->GetDistanceToBadCrystal());
361
362 //Array of MC indeces
363 TArrayI arrayPrim(primMult,primList);
364 ec->AddLabels(arrayPrim);
365
366 //Matched ESD track
367 TArrayI arrayTrackMatched(1);
368 arrayTrackMatched[0]= ts->GetTrackIndex();
369 ec->AddTracksMatched(arrayTrackMatched);
370
371 Int_t index = esd->AddCaloCluster(ec);
372
373 //Set pointer to this cluster in ESD track
374 Int_t nt=esd->GetNumberOfTracks();
375 for (Int_t itr=0; itr<nt; itr++) {
376 AliESDtrack *esdTrack=esd->GetTrack(itr);
377 if(!esdTrack->IsPHOS())
378 continue ;
379 if(esdTrack->GetPHOScluster()==-recpart){ //we store negative cluster number
380 esdTrack->SetPHOScluster(index) ;
381//no garatie that only one track matched this cluster
382// break ;
383 }
384 }
385
386 delete ec;
387 delete [] fracList;
388 delete [] absIdList;
389 }
390 fgDigitsArray ->Clear("C");
391 fgEMCRecPoints->Clear("C");
392 recParticles ->Clear();
393
394 //Store PHOS misalignment matrixes
395 FillMisalMatrixes(esd) ;
396
397}
398
399//____________________________________________________________________________
400AliTracker* AliPHOSReconstructor::CreateTracker() const
401{
402 // creates the PHOS tracker
403 return new AliPHOSTracker();
404}
405
406//____________________________________________________________________________
407void AliPHOSReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const
408{
409 // Converts raw data to
410 // PHOS digits
411 // Works on a single-event basis
412 rawReader->Reset() ;
413
414 AliPHOSRawFitterv0 * fitter ;
415
416 const TObjArray* maps = AliPHOSRecoParam::GetMappings();
417 if(!maps) AliFatal("Cannot retrieve ALTRO mappings!!");
418
419 AliAltroMapping *mapping[20];
420 for(Int_t i = 0; i < 20; i++) {
421 mapping[i] = (AliAltroMapping*)maps->At(i);
422 }
423
424 if (strcmp(GetRecoParam()->EMCFitterVersion(),"v0")==0)
425 fitter=new AliPHOSRawFitterv0();
426 else if (strcmp(GetRecoParam()->EMCFitterVersion(),"v1")==0)
427 fitter=new AliPHOSRawFitterv1();
428 else if (strcmp(GetRecoParam()->EMCFitterVersion(),"v2")==0)
429 fitter=new AliPHOSRawFitterv2();
430 else if (strcmp(GetRecoParam()->EMCFitterVersion(),"v3")==0)
431 fitter=new AliPHOSRawFitterv3();
432 else
433 fitter=new AliPHOSRawFitterv4();
434
435 fitter->SubtractPedestals(GetRecoParam()->EMCSubtractPedestals());
436 fitter->SetAmpOffset (GetRecoParam()->GetGlobalAltroOffset());
437 fitter->SetAmpThreshold (GetRecoParam()->GetGlobalAltroThreshold());
438
439 TClonesArray *digits = new TClonesArray("AliPHOSDigit",1);
440 digits->SetName("DIGITS");
441 Int_t bufsize = 32000;
442 digitsTree->Branch("PHOS", &digits, bufsize);
443
444 AliPHOSRawDigiProducer rdp(rawReader,mapping);
445
446 rdp.SetEmcMinAmp(GetRecoParam()->GetEMCRawDigitThreshold()); // in ADC
447 rdp.SetCpvMinAmp(GetRecoParam()->GetCPVMinE());
448 rdp.SetSampleQualityCut(GetRecoParam()->GetEMCSampleQualityCut());
449 rdp.MakeDigits(digits,fTmpDigLG,fitter);
450
451 delete fitter ;
452
453 TClonesArray *tdigits = new TClonesArray("AliPHOSTriggerRawDigit",1);
454 tdigits->SetName("TDIGITS");
455 digitsTree->Branch("TPHOS", &tdigits, bufsize);
456
457 rawReader->Reset();
458 AliPHOSTriggerRawDigiProducer tdp(rawReader);
459
460 AliPHOSTriggerParameters* parameters = (AliPHOSTriggerParameters*)AliPHOSRecoParam::GetTriggerParameters();
461
462 tdp.SetTriggerParameters(parameters);
463 tdp.ProcessEvent(tdigits);
464
465 if (AliLog::GetGlobalDebugLevel() == 1) {
466 Int_t modMax=-111;
467 Int_t colMax=-111;
468 Int_t rowMax=-111;
469 Float_t eMax=-333;
470 //!!!for debug!!!
471
472 Int_t relId[4];
473 for(Int_t iDigit=0; iDigit<digits->GetEntries(); iDigit++) {
474 AliPHOSDigit* digit = (AliPHOSDigit*)digits->At(iDigit);
475 if(digit->GetEnergy()>eMax) {
476 fGeom->AbsToRelNumbering(digit->GetId(),relId);
477 eMax=digit->GetEnergy();
478 modMax=relId[0];
479 rowMax=relId[2];
480 colMax=relId[3];
481 }
482 }
483
484 AliDebug(1,Form("Digit with max. energy: modMax %d colMax %d rowMax %d eMax %f\n\n",
485 modMax,colMax,rowMax,eMax));
486 }
487
488 digitsTree->Fill();
489
490 digits->Delete();
491 delete digits;
492
493 tdigits->Delete();
494 delete tdigits;
495}
496//==================================================================================
497Float_t AliPHOSReconstructor::Calibrate(Float_t amp, Int_t absId)const{
498 // Calibrate EMC digit, i.e. multiply its Amp by a factor read from CDB
499
500 const AliPHOSGeometry *geom = AliPHOSGeometry::GetInstance() ;
501
502 //Determine rel.position of the cell absolute ID
503 Int_t relId[4];
504 geom->AbsToRelNumbering(absId,relId);
505 Int_t module=relId[0];
506 Int_t row =relId[2];
507 Int_t column=relId[3];
508 if(relId[1]){ //CPV
509 Float_t calibration = fgCalibData->GetADCchannelCpv(module,column,row);
510 return amp*calibration ;
511 }
512 else{ //EMC
513 Float_t calibration = fgCalibData->GetADCchannelEmc(module,column,row);
514 return amp*calibration ;
515 }
516}
517//==================================================================================
518Float_t AliPHOSReconstructor::CalibrateT(Float_t time, Int_t absId,Bool_t isLG)const{
519 // Calibrate EMC digit, i.e. multiply its Amp by a factor read from CDB
520
521 const AliPHOSGeometry *geom = AliPHOSGeometry::GetInstance() ;
522
523 //Determine rel.position of the cell absolute ID
524 Int_t relId[4];
525 geom->AbsToRelNumbering(absId,relId);
526 Int_t module=relId[0];
527 Int_t row =relId[2];
528 Int_t column=relId[3];
529 if(relId[1]){ //CPV
530 return 0. ;
531 }
532 else{ //EMC
533 if(isLG)
534 time += fgCalibData->GetLGTimeShiftEmc(module,column,row);
535 else
536 time += fgCalibData->GetTimeShiftEmc(module,column,row);
537 return time ;
538 }
539}
540//==================================================================================
541void AliPHOSReconstructor::FillMisalMatrixes(AliESDEvent* esd)const{
542 //Store PHOS matrixes in ESD Header
543
544 //Check, if matrixes was already stored
545 for(Int_t mod=0 ;mod<5; mod++){
546 if(esd->GetPHOSMatrix(mod)!=0)
547 return ;
548 }
549
550 //Create and store matrixes
551 if(!gGeoManager){
552 AliError("Can not store misal. matrixes: no gGeoManager! \n") ;
553 return ;
554 }
555 //Note, that owner of copied marixes will be header
556 char path[255] ;
557 TGeoHMatrix * m ;
558 for(Int_t mod=0; mod<5; mod++){
559 snprintf(path,255,"/ALIC_1/PHOS_%d",mod+1) ; //In Geometry modules numbered 1,2,.,5
560 if (gGeoManager->cd(path)){
561 m = gGeoManager->GetCurrentMatrix() ;
562 esd->SetPHOSMatrix(new TGeoHMatrix(*m),mod) ;
563 }
564 else{
565 esd->SetPHOSMatrix(NULL,mod) ;
566 }
567 }
568
569}
570//==================================================================================
571Float_t AliPHOSReconstructor::CorrectNonlinearity(Float_t en){
572
573 //For backward compatibility, if no RecoParameters found
574 if(!GetRecoParam()){
575 return 0.0241+1.0504*en+0.000249*en*en ;
576 }
577
578 if(strcmp(GetRecoParam()->GetNonlinearityCorrectionVersion(),"NoCorrection")==0){
579 return en ;
580 }
581 if(strcmp(GetRecoParam()->GetNonlinearityCorrectionVersion(),"Gustavo2005")==0){
582 const Float_t *par=GetRecoParam()->GetNonlinearityParams() ;
583 return par[0]+par[1]*en + par[2]*en*en ;
584 }
585 if(strcmp(GetRecoParam()->GetNonlinearityCorrectionVersion(),"Henrik2010")==0){
586 const Float_t *par=GetRecoParam()->GetNonlinearityParams() ;
587 return en*(par[0]+par[1]*TMath::Exp(-en*par[2]))*(1.+par[3]*TMath::Exp(-en*par[4]))*(1.+par[6]/(en*en+par[5])) ;
588 }
589 //For backward compatibility
590 if(strcmp(GetRecoParam()->GetNonlinearityCorrectionVersion(),"")==0){
591 return 0.0241+1.0504*en+0.000249*en*en ;
592 }
593 return en ;
594}
595
596void AliPHOSReconstructor::readTRUParameters(AliPHOSTriggerParameters* parameters) const
597{
598 //Read trigger parameters.
599
600 TString path(gSystem->Getenv("ALICE_ROOT"));
601 path += "/PHOS/macros/Trigger/OCDB/";
602
603 for (Int_t mod = 2; mod < 5; ++mod) { // module
604 for (Int_t tru = 0; tru < 4; tru++) { // tru row
605 for (Int_t branch = 0; branch < 2; branch++) { // branch
606
607 // Open the Appropriate pedestal file
608 TString fileName = path;
609 fileName += "pedestal_m";
610 fileName = fileName += mod;
611 fileName+="_r";
612 fileName+=tru;
613 fileName+="_b";
614 fileName+=branch;
615 fileName+=".dat";
616 std::ifstream instream;
617 instream.open(fileName.Data());
618
619 // Read pedestals from file
620 if( ! instream.is_open() )
621 Printf("E-TRUPedestals: could not open %s", fileName.Data());
622 else
623 {
624 Int_t ped[112];
625
626 char ch_s[36];
627 char *ch_s_p = ch_s;
628 //Int_t nlines = 0;
629
630 Int_t t_ped_0 =0;
631 Int_t t_ped_1 =0;
632 Int_t t_ped_2 =0;
633
634 for(Int_t n=0; n<112; n++)
635 {
636 instream.getline(ch_s_p,36);
637 if (ch_s_p[23]<='9' && ch_s_p[23]>='0')
638 {
639 t_ped_0 = ch_s_p[23]-'0';
640 }
641 else if (ch_s_p[23]>='A' && ch_s_p[23]<='Z')
642 {
643 t_ped_0 = ch_s_p[23]-'A'+10;
644
645 }
646
647 if (ch_s_p[22]<='9' && ch_s_p[22]>='0')
648 {
649 t_ped_1 = ch_s_p[22]-'0';
650 }
651 else if (ch_s_p[22]<='Z' && ch_s_p[22]>='A')
652 {
653 t_ped_1 = ch_s_p[22]-'A'+10;
654 }
655
656 if (ch_s_p[21]<='9' && ch_s_p[21]>='0')
657 {
658 t_ped_2 = ch_s_p[21]-'0';
659 }
660 else if (ch_s_p[21]<='Z' && ch_s_p[21]>='A')
661 {
662 t_ped_2 = ch_s_p[21]-'A'+10;
663 }
664
665 ped[n]=t_ped_2*256+t_ped_1*16+t_ped_0;
666
667
668 }
669 for (Int_t xrow = 0; xrow < 8; xrow++){
670 for (Int_t zcol = 0; zcol < 14; zcol++){
671 Int_t pedestal = ped[zcol*8+xrow];
672
673 if( pedestal < 612 && pedestal > 412 ) // resonable
674 parameters->SetTRUPedestal(pedestal, mod, tru, branch, xrow, zcol);
675 else // unresonable
676 continue;
677 }
678 }
679 } // Ends read of pedestals from branch from file.
680 instream.close();
681 }// end branch
682 }// end tru
683
684 }// end for mod
685}
686
687
688
689