1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
18 //_________________________________________________________________________
20 //-- Yves Schutz (SUBATECH)
21 // Reconstruction class. Redesigned from the old AliReconstructionner class and
22 // derived from STEER/AliReconstructor.
26 // --- ROOT system ---
27 #include <TClonesArray.h>
28 #include "TGeoManager.h"
29 #include "TGeoMatrix.h"
31 // --- Standard library ---
33 // --- AliRoot header files ---
34 #include "AliEMCALReconstructor.h"
36 #include "AliCodeTimer.h"
37 #include "AliCaloCalibPedestal.h"
38 #include "AliEMCALCalibData.h"
39 #include "AliESDEvent.h"
40 #include "AliESDCaloCluster.h"
41 #include "AliESDCaloCells.h"
42 #include "AliESDtrack.h"
43 #include "AliEMCALLoader.h"
44 #include "AliEMCALRawUtils.h"
45 #include "AliEMCALDigit.h"
46 #include "AliEMCALClusterizerv1.h"
47 #include "AliEMCALClusterizerv2.h"
48 #include "AliEMCALClusterizerNxN.h"
49 #include "AliEMCALRecPoint.h"
50 #include "AliEMCALPID.h"
51 #include "AliEMCALRecoUtils.h"
52 #include "AliRawReader.h"
53 #include "AliCDBEntry.h"
54 #include "AliCDBManager.h"
55 #include "AliEMCALGeometry.h"
57 #include "AliESDVZERO.h"
58 #include "AliCDBManager.h"
59 #include "AliRunLoader.h"
61 #include "AliEMCALTriggerData.h"
62 #include "AliEMCALTriggerElectronics.h"
63 #include "AliEMCALTriggerDCSConfigDB.h"
64 #include "AliEMCALTriggerDCSConfig.h"
65 #include "AliEMCALTriggerData.h"
66 #include "AliEMCALTriggerRawDigit.h"
67 #include "AliEMCALTriggerPatch.h"
68 #include "AliEMCALTriggerTypes.h"
70 ClassImp(AliEMCALReconstructor)
72 const AliEMCALRecParam* AliEMCALReconstructor::fgkRecParam = 0; // EMCAL rec. parameters
73 AliEMCALRawUtils* AliEMCALReconstructor::fgRawUtils = 0; // EMCAL raw utilities class
74 AliEMCALClusterizer* AliEMCALReconstructor::fgClusterizer = 0; // EMCAL clusterizer class
75 TClonesArray* AliEMCALReconstructor::fgDigitsArr = 0; // list of digits, to be used multiple times
76 TObjArray* AliEMCALReconstructor::fgClustersArr = 0; // list of clusters, to be used multiple times
77 TClonesArray* AliEMCALReconstructor::fgTriggerDigits = 0; // list of trigger digits, to be used multiple times
78 AliEMCALTriggerElectronics* AliEMCALReconstructor::fgTriggerProcessor = 0x0;
79 //____________________________________________________________________________
80 AliEMCALReconstructor::AliEMCALReconstructor()
81 : fGeom(0),fCalibData(0),fPedestalData(0),fTriggerData(0x0), fMatches(0x0)
85 // AliDebug(2, "Mark.");
87 fgRawUtils = new AliEMCALRawUtils;
89 //To make sure we match with the geometry in a simulation file,
90 //let's try to get it first. If not, take the default geometry
91 AliRunLoader *rl = AliRunLoader::Instance();
93 AliEMCAL * emcal = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"));
94 if(emcal) fGeom = emcal->GetGeometry();
98 AliInfo(Form("Using default geometry in reconstruction"));
99 fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
102 //Get calibration parameters
105 AliCDBEntry *entry = (AliCDBEntry*)
106 AliCDBManager::Instance()->Get("EMCAL/Calib/Data");
107 if (entry) fCalibData = (AliEMCALCalibData*) entry->GetObject();
111 AliFatal("Calibration parameters not found in CDB!");
113 //Get calibration parameters
116 AliCDBEntry *entry = (AliCDBEntry*)
117 AliCDBManager::Instance()->Get("EMCAL/Calib/Pedestals");
118 if (entry) fPedestalData = (AliCaloCalibPedestal*) entry->GetObject();
122 AliFatal("Dead map not found in CDB!");
124 if(!fGeom) AliFatal(Form("Could not get geometry!"));
126 AliEMCALTriggerDCSConfigDB* dcsConfigDB = AliEMCALTriggerDCSConfigDB::Instance();
128 const AliEMCALTriggerDCSConfig* dcsConfig = dcsConfigDB->GetTriggerDCSConfig();
130 if (!dcsConfig) AliFatal("No Trigger DCS Configuration from OCDB!");
131 fgTriggerProcessor = new AliEMCALTriggerElectronics( dcsConfig );
133 fTriggerData = new AliEMCALTriggerData();
135 //Init temporary list of digits
136 fgDigitsArr = new TClonesArray("AliEMCALDigit",1000);
137 fgClustersArr = new TObjArray(1000);
138 fgTriggerDigits = new TClonesArray("AliEMCALTriggerRawDigit", 32 * 96);
141 fMatches = new TList();
142 fMatches->SetOwner(kTRUE);
145 //____________________________________________________________________________
146 AliEMCALReconstructor::~AliEMCALReconstructor()
150 //AliDebug(2, "Mark.");
152 if(fGeom) delete fGeom;
154 //No need to delete, recovered from OCDB
155 //if(fCalibData) delete fCalibData;
156 //if(fPedestalData) delete fPedestalData;
159 fgDigitsArr->Clear("C");
164 fgClustersArr->Clear();
165 delete fgClustersArr;
169 fgTriggerDigits->Clear();
170 delete fgTriggerDigits;
173 if(fgRawUtils) delete fgRawUtils;
174 if(fgClusterizer) delete fgClusterizer;
175 if(fgTriggerProcessor) delete fgTriggerProcessor;
177 if(fMatches) { fMatches->Delete(); delete fMatches; fMatches = 0;}
179 AliCodeTimer::Instance()->Print();
182 //____________________________________________________________________________
183 void AliEMCALReconstructor::InitClusterizer() const
185 //Init the clusterizer with geometry and calibration pointers, avoid doing it twice.
186 Int_t clusterizerType = -1;
187 Int_t eventType = -1;
189 clusterizerType = GetRecParam()->GetClusterizerFlag();
190 eventType = GetRecParam()->GetEventSpecie();
193 AliCDBEntry *entry = (AliCDBEntry*)
194 AliCDBManager::Instance()->Get("EMCAL/Calib/RecoParam");
195 //Get The reco param for the default event specie
197 AliEMCALRecParam *recParam = (AliEMCALRecParam*)((TObjArray *) entry->GetObject())->At(0);
198 if(recParam) clusterizerType = recParam->GetClusterizerFlag();
202 //Check if clusterizer previously set corresponds to what is needed for this event type
204 if(eventType!=AliRecoParam::kCalib){
205 //printf("ReCreate clusterizer? Clusterizer set <%d>, Clusterizer in use <%s>\n",
206 // clusterizerType, fgClusterizer->Version());
208 if (clusterizerType == AliEMCALRecParam::kClusterizerv1 && !strcmp(fgClusterizer->Version(),"clu-v1")) return;
210 else if(clusterizerType == AliEMCALRecParam::kClusterizerNxN && !strcmp(fgClusterizer->Version(),"clu-NxN")) return;
212 else if(clusterizerType == AliEMCALRecParam::kClusterizerv2 && !strcmp(fgClusterizer->Version(),"clu-v2")) return;
214 //Need to create new clusterizer, the one set previously is not the correct one
215 delete fgClusterizer;
220 if (clusterizerType == AliEMCALRecParam::kClusterizerv1)
222 fgClusterizer = new AliEMCALClusterizerv1 (fGeom, fCalibData,fPedestalData);
224 else if (clusterizerType == AliEMCALRecParam::kClusterizerNxN)
226 fgClusterizer = new AliEMCALClusterizerNxN(fGeom, fCalibData,fPedestalData);
228 else if (clusterizerType == AliEMCALRecParam::kClusterizerv2)
230 fgClusterizer = new AliEMCALClusterizerv2 (fGeom, fCalibData,fPedestalData);
234 AliFatal(Form("Unknown clusterizer %d ", clusterizerType));
238 //____________________________________________________________________________
239 void AliEMCALReconstructor::Reconstruct(TTree* digitsTree, TTree* clustersTree) const
241 // method called by AliReconstruction;
242 // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track
243 // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by
244 // the global tracking.
245 // Works on the current event.
247 AliCodeTimerAuto("",0)
249 //Get input digits and put them in fgDigitsArr, clear the list before
250 ReadDigitsArrayFromTree(digitsTree);
254 fgClusterizer->InitParameters();
255 fgClusterizer->SetOutput(clustersTree);
257 //Skip clusterization of LED events
258 if (GetRecParam()->GetEventSpecie()!=AliRecoParam::kCalib){
260 if(fgDigitsArr && fgDigitsArr->GetEntries()) {
262 fgClusterizer->SetInput(digitsTree);
264 //fgClusterizer->Digits2Clusters("deb all") ; //For debugging
265 fgClusterizer->Digits2Clusters("");
267 fgClusterizer->Clear();
269 }//digits array exists and has somethind
272 clustersTree->Fill();
274 // Deleting the recpoints at the end of the reconstruction call
275 fgClusterizer->DeleteRecPoints();
278 //____________________________________________________________________________
279 void AliEMCALReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const
282 // Conversion from raw data to
284 // Works on a single-event basis
288 fTriggerData->SetMode(1);
290 if(fgDigitsArr) fgDigitsArr->Clear("C");
292 TClonesArray *digitsTrg = new TClonesArray("AliEMCALTriggerRawDigit", 32 * 96);
294 Int_t bufsize = 32000;
295 digitsTree->Branch("EMCAL", &fgDigitsArr, bufsize);
296 digitsTree->Branch("EMTRG", &digitsTrg, bufsize);
298 //Skip calibration events do the rest
299 Bool_t doFit = kTRUE;
300 if ( !(GetRecParam()->FitLEDEvents()) && GetRecParam()->GetEventSpecie()==AliRecoParam::kCalib) doFit = kFALSE;
302 //must be done here because, in constructor, option is not yet known
303 fgRawUtils->SetOption(GetOption());
305 // fgRawUtils->SetRawFormatHighLowGainFactor(GetRecParam()->GetHighLowGainFactor());
307 // fgRawUtils->SetRawFormatOrder(GetRecParam()->GetOrderParameter());
308 // fgRawUtils->SetRawFormatTau(GetRecParam()->GetTau());
309 fgRawUtils->SetNoiseThreshold(GetRecParam()->GetNoiseThreshold());
310 fgRawUtils->SetNPedSamples(GetRecParam()->GetNPedSamples());
311 fgRawUtils->SetRemoveBadChannels(GetRecParam()->GetRemoveBadChannels());
312 if (!fgRawUtils->GetFittingAlgorithm()) fgRawUtils->SetFittingAlgorithm(GetRecParam()->GetFittingAlgorithm());
313 fgRawUtils->SetFALTROUsage(GetRecParam()->UseFALTRO());
315 //fgRawUtils->SetTimeMin(GetRecParam()->GetTimeMin());
316 //fgRawUtils->SetTimeMax(GetRecParam()->GetTimeMax());
318 // fgRawUtils->SetTimeMin(-99999 );
319 // fgRawUtils->SetTimeMax( 99999 );
321 fgRawUtils->Raw2Digits(rawReader,fgDigitsArr,fPedestalData,digitsTrg,fTriggerData);
323 }//skip calibration event
325 AliDebug(1," Calibration Event, skip!");
335 //____________________________________________________________________________
336 void AliEMCALReconstructor::FillESD(TTree* digitsTree, TTree* clustersTree,
337 AliESDEvent* esd) const
339 // Called by AliReconstruct after Reconstruct() and global tracking and vertexing
341 // Works on the current event
342 // printf(" ## AliEMCALReconstructor::FillESD() is started ### \n ");
345 //########################################
347 //########################################
349 static int saveOnce = 0;
351 Int_t v0M[2] = {0, 0};
353 AliESDVZERO* esdV0 = esd->GetVZEROData();
357 v0M[0] = esdV0->GetTriggerChargeC();
358 v0M[1] = esdV0->GetTriggerChargeA();
362 AliWarning("No V0 ESD! Run trigger processor w/ null V0 charges");
365 if (fgTriggerDigits && fgTriggerDigits->GetEntriesFast()) fgTriggerDigits->Delete();
367 TBranch *branchtrg = digitsTree->GetBranch("EMTRG");
371 AliError("Can't get the branch with the EMCAL trigger digits!");
375 branchtrg->SetAddress(&fgTriggerDigits);
376 branchtrg->GetEntry(0);
378 // Note: fgTriggerProcessor reset done at the end of this method
379 fgTriggerProcessor->Digits2Trigger(fgTriggerDigits, v0M, fTriggerData);
382 AliESDCaloTrigger* trgESD = esd->GetCaloTrigger("EMCAL");
386 trgESD->Allocate(fgTriggerDigits->GetEntriesFast());
388 for (Int_t i = 0; i < fgTriggerDigits->GetEntriesFast(); i++)
390 AliEMCALTriggerRawDigit* rdig = (AliEMCALTriggerRawDigit*)fgTriggerDigits->At(i);
391 if (AliDebugLevel() > 999) rdig->Print("");
394 if (fGeom->GetPositionInEMCALFromAbsFastORIndex(rdig->GetId(), px, py))
396 Int_t a = -1, t = -1, times[10];
398 rdig->GetMaximum(a, t);
399 rdig->GetL0Times(times);
401 trgESD->Add(px, py, a, t, times, rdig->GetNL0Times(), rdig->GetL1TimeSum(), rdig->GetTriggerBits());
405 for (int i = 0; i < 2; i++) {
406 trgESD->SetL1Threshold(2 * i , fTriggerData->GetL1JetThreshold( i));
407 trgESD->SetL1Threshold(2 * i + 1, fTriggerData->GetL1GammaThreshold(i));
411 fTriggerData->GetL1V0(v0);
414 trgESD->SetL1FrameMask(fTriggerData->GetL1FrameMask());
416 if (!saveOnce && fTriggerData->GetL1DataDecoded())
419 fTriggerData->GetL1TriggerType(type);
421 esd->SetCaloTriggerType(type);
428 fTriggerData->Reset();
430 //########################################
431 //##############Fill CaloCells###############
432 //########################################
434 //Get input digits and put them in fgDigitsArr, clear the list before
435 ReadDigitsArrayFromTree(digitsTree);
437 Int_t nDigits = fgDigitsArr->GetEntries(), idignew = 0 ;
438 AliDebug(1,Form("%d digits",nDigits));
440 AliESDCaloCells &emcCells = *(esd->GetEMCALCells());
441 emcCells.CreateContainer(nDigits);
442 emcCells.SetType(AliVCaloCells::kEMCALCell);
446 for (Int_t idig = 0 ; idig < nDigits ; idig++)
448 const AliEMCALDigit * dig = (const AliEMCALDigit*)fgDigitsArr->At(idig);
449 time = dig->GetTime(); // Time already calibrated in clusterizer
450 energy = dig->GetAmplitude(); // energy calibrated in clusterizer
454 fgClusterizer->Calibrate(energy,time,dig->GetId()); //Digits already calibrated in clusterizers
456 if(energy > 0) //Digits tagged as bad (dead, hot, not alive) are set to 0 in calibrate, remove them
459 // Get the label of the primary particle that generated the cell
460 // Assign the particle that deposited more energy
461 Int_t nprimaries = dig->GetNprimary() ;
464 if ( nprimaries > 0 )
467 for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit
469 if(edep < dig->GetDEParent(jndex+1))
471 digLabel = dig->GetIparent (jndex+1);
472 edep = dig->GetDEParent(jndex+1);
475 } // all primaries in digit
476 } // select primary label
478 emcCells.SetCell(idignew,dig->GetId(),energy, time,digLabel);
484 emcCells.SetNumberOfCells(idignew);
487 //------------------------------------------------------------
488 //-----------------CLUSTERS-----------------------------
489 //------------------------------------------------------------
490 clustersTree->SetBranchStatus("*",0); //disable all branches
491 clustersTree->SetBranchStatus("EMCALECARP",1); //Enable only the branch we need
492 if(fgClustersArr) fgClustersArr->Clear();
493 TBranch *branch = clustersTree->GetBranch("EMCALECARP");
494 branch->SetAddress(&fgClustersArr);
496 //clustersTree->GetEvent(0);
498 Int_t nClusters = fgClustersArr->GetEntries(), nClustersNew=0;
499 AliDebug(1,Form("%d clusters",nClusters));
502 //########################################
503 //##############Fill CaloClusters#############
504 //########################################
505 for (Int_t iClust = 0 ; iClust < nClusters ; iClust++) {
506 const AliEMCALRecPoint * clust = (const AliEMCALRecPoint*)fgClustersArr->At(iClust);
508 //if(clust->GetClusterType()== AliVCluster::kEMCALClusterv1) nRP++; else nPC++;
509 // clust->Print(); //For debugging
510 // Get information from EMCAL reconstruction points
513 clust->GetGlobalPosition(gpos);
514 for (Int_t ixyz=0; ixyz<3; ixyz++)
515 xyz[ixyz] = gpos[ixyz];
517 clust->GetElipsAxis(elipAxis);
518 //Create digits lists
519 Int_t cellMult = clust->GetMultiplicity();
520 //TArrayS digiList(digitMult);
521 Float_t *amplFloat = clust->GetEnergiesList();
522 Int_t *digitInts = clust->GetAbsId();
523 TArrayS absIdList(cellMult);
524 TArrayD fracList(cellMult);
526 Int_t newCellMult = 0;
527 for (Int_t iCell=0; iCell<cellMult; iCell++) {
528 if (amplFloat[iCell] > 0) {
529 absIdList[newCellMult] = (UShort_t)(digitInts[iCell]);
531 if(emcCells.GetCellAmplitude(digitInts[iCell])>0 && GetRecParam()->GetUnfold()){
532 fracList[newCellMult] = amplFloat[iCell]/(emcCells.GetCellAmplitude(digitInts[iCell]));//get cell calibration value
536 fracList[newCellMult] = 0;
542 absIdList.Set(newCellMult);
543 fracList.Set(newCellMult);
545 if(newCellMult > 0) { // accept cluster if it has some digit
548 Int_t parentMult = 0;
549 Int_t *parentList = clust->GetParents(parentMult);
550 // fills the ESDCaloCluster
551 AliESDCaloCluster * ec = new AliESDCaloCluster() ;
552 ec->SetType(AliVCluster::kEMCALClusterv1);
553 ec->SetPosition(xyz);
554 ec->SetE(clust->GetEnergy());
556 //Distance to the nearest bad crystal
557 ec->SetDistanceToBadChannel(clust->GetDistanceToBadTower());
559 ec->SetNCells(newCellMult);
560 //Change type of list from short to ushort
561 UShort_t *newAbsIdList = new UShort_t[newCellMult];
562 Double_t *newFracList = new Double_t[newCellMult];
563 for(Int_t i = 0; i < newCellMult ; i++) {
564 newAbsIdList[i]=absIdList[i];
565 newFracList[i] =fracList[i];
567 ec->SetCellsAbsId(newAbsIdList);
568 ec->SetCellsAmplitudeFraction(newFracList);
569 ec->SetDispersion(clust->GetDispersion());
570 ec->SetChi2(-1); //not yet implemented
571 ec->SetM02(elipAxis[0]*elipAxis[0]) ;
572 ec->SetM20(elipAxis[1]*elipAxis[1]) ;
573 ec->SetTOF(clust->GetTime()) ; //time-of-fligh
574 ec->SetNExMax(clust->GetNExMax()); //number of local maxima
577 TArrayI arrayParents(parentMult,parentList);
578 ec->AddLabels(arrayParents);
583 Int_t nTracks = esd->GetNumberOfTracks();
584 for (Int_t itrack = 0; itrack < nTracks; itrack++)
586 AliESDtrack * track = esd->GetTrack(itrack) ; // retrieve track
587 if(track->GetEMCALcluster()==iClust)
589 Float_t dEta=-999, dPhi=-999;
590 Bool_t isMatch = CalculateResidual(track, ec, dEta, dPhi);
593 // AliDebug(10, "Not good");
596 AliEMCALMatch *match = new AliEMCALMatch();
597 match->SetIndexT(itrack);
598 match->SetDistance(TMath::Sqrt(dEta*dEta+dPhi*dPhi));
599 match->SetdEta(dEta);
600 match->SetdPhi(dPhi);
601 fMatches->Add(match);
604 fMatches->Sort(kSortAscending); //Sort matched tracks from closest to furthest
605 Int_t nMatch = fMatches->GetEntries();
606 TArrayI arrayTrackMatched(nMatch);
607 for(Int_t imatch=0; imatch<nMatch; imatch++)
609 AliEMCALMatch *match = (AliEMCALMatch*)fMatches->At(imatch);
610 arrayTrackMatched[imatch] = match->GetIndexT();
613 ec->SetTrackDistance(match->GetdPhi(), match->GetdEta());
616 ec->AddTracksMatched(arrayTrackMatched);
618 //add the cluster to the esd object
619 esd->AddCaloCluster(ec);
622 delete [] newAbsIdList ;
623 delete [] newFracList ;
625 } // cycle on clusters
628 //Reset the index of matched cluster for tracks
629 //to the one in CaloCluster array
630 Int_t ncls = esd->GetNumberOfCaloClusters();
631 for(Int_t icl=0; icl<ncls; icl++)
633 AliESDCaloCluster *cluster = esd->GetCaloCluster(icl);
634 if(!cluster || !cluster->IsEMCAL()) continue;
635 TArrayI *trackIndex = cluster->GetTracksMatched();
636 for(Int_t itr=0; itr<trackIndex->GetSize(); itr++)
638 AliESDtrack *track = esd->GetTrack(trackIndex->At(itr));
639 track->SetEMCALcluster(cluster->GetID());
644 //Fill ESDCaloCluster with PID weights
645 AliEMCALPID *pid = new AliEMCALPID;
646 //pid->SetPrintInfo(kTRUE);
647 pid->SetReconstructor(kTRUE);
651 //Store EMCAL misalignment matrixes
652 FillMisalMatrixes(esd) ;
656 //==================================================================================
657 void AliEMCALReconstructor::FillMisalMatrixes(AliESDEvent* esd)const{
658 //Store EMCAL matrixes in ESD Header
660 //Check, if matrixes was already stored
661 for(Int_t sm = 0 ; sm < fGeom->GetNumberOfSuperModules(); sm++){
662 if(esd->GetEMCALMatrix(sm)!=0)
666 //Create and store matrixes
668 AliError("Can not store misal. matrixes: no gGeoManager! \n") ;
671 //Note, that owner of copied marixes will be header
672 const Int_t bufsize = 255;
674 TGeoHMatrix * m = 0x0;
675 for(Int_t sm = 0; sm < fGeom->GetNumberOfSuperModules(); sm++){
676 snprintf(path,bufsize,"/ALIC_1/XEN1_1/SMOD_%d",sm+1) ; //In Geometry modules numbered 1,2,.,5
677 if(sm >= 10 && !((fGeom->GetEMCGeometry()->GetGeoName()).Contains("12SMV1"))) snprintf(path,bufsize,"/ALIC_1/XEN1_1/SM10_%d",sm-10+1) ;
678 if(sm >= 10 && ((fGeom->GetEMCGeometry()->GetGeoName()).Contains("12SMV1"))) snprintf(path,bufsize,"/ALIC_1/XEN1_1/SM3rd_%d",sm-10+1) ;
680 if (gGeoManager->CheckPath(path)){
681 gGeoManager->cd(path);
682 m = gGeoManager->GetCurrentMatrix() ;
683 // printf("================================================= \n");
684 // printf("AliEMCALReconstructor::FixMisalMatrixes(), sm %d, \n",sm);
686 esd->SetEMCALMatrix(new TGeoHMatrix(*m),sm) ;
687 // printf("================================================= \n");
690 esd->SetEMCALMatrix(NULL,sm) ;
695 //__________________________________________________________________________
696 void AliEMCALReconstructor::ReadDigitsArrayFromTree(TTree *digitsTree) const
698 // Read the digits from the input tree
699 // See AliEMCALClusterizer::SetInput(TTree *digitsTree);
701 // Clear previous digits in the list
703 fgDigitsArr->Clear("C");
706 // It should not happen, but just in case ...
707 fgDigitsArr = new TClonesArray("AliEMCALDigit",100);
710 // Read the digits from the input tree
711 TBranch *branch = digitsTree->GetBranch("EMCAL");
713 AliError("can't get the branch with the EMCAL digits !");
717 branch->SetAddress(&fgDigitsArr);
721 //==================================================================================
722 Bool_t AliEMCALReconstructor::CalculateResidual(AliESDtrack *track, AliESDCaloCluster *cluster, Float_t &dEta, Float_t &dPhi)const
725 // calculate the residual between track and cluster
728 // If the esdFriend is available, use the TPCOuter point as the starting point of extrapolation
729 // Otherwise use the TPCInner point
731 dEta = -999, dPhi = -999;
733 AliExternalTrackParam *trkParam = 0;
734 const AliESDfriendTrack* friendTrack = track->GetFriendTrack();
735 if(friendTrack && friendTrack->GetTPCOut())
736 trkParam = const_cast<AliExternalTrackParam*>(friendTrack->GetTPCOut());
738 trkParam = const_cast<AliExternalTrackParam*>(track->GetInnerParam());
739 if(!trkParam) return kFALSE;
741 AliExternalTrackParam trkParamTmp (*trkParam);
742 if(!AliEMCALRecoUtils::ExtrapolateTrackToCluster(&trkParamTmp, cluster, track->GetMass(kTRUE), GetRecParam()->GetExtrapolateStep(), dEta, dPhi)) return kFALSE;
748 //==================================================================================
750 AliEMCALReconstructor::AliEMCALMatch::AliEMCALMatch()
757 //default constructor
762 //==================================================================================
764 AliEMCALReconstructor::AliEMCALMatch::AliEMCALMatch(const AliEMCALMatch& copy)
766 fIndexT(copy.fIndexT),
767 fDistance(copy.fDistance),
773 //_____________________________________________________________________
774 AliEMCALReconstructor::AliEMCALMatch& AliEMCALReconstructor::AliEMCALMatch::AliEMCALMatch::operator = (const AliEMCALMatch &source)
775 { // assignment operator; use copy ctor
776 if (&source == this) return *this;
778 new (this) AliEMCALMatch(source);
782 //==================================================================================
784 Int_t AliEMCALReconstructor::AliEMCALMatch::Compare(const TObject *obj) const
787 // Compare wrt the residual
790 AliEMCALReconstructor::AliEMCALMatch *that = (AliEMCALReconstructor::AliEMCALMatch*)obj;
792 Double_t thisDist = fDistance;//fDistance;
793 Double_t thatDist = that->fDistance;//that->GetDistance();
795 if (thisDist > thatDist) return 1;
796 else if (thisDist < thatDist) return -1;