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18 //-- Author: Yves Schutz (SUBATECH) & Dmitri Peressounko (SUBATECH & Kurchatov Institute)
19 // August 2002 Yves Schutz: clone PHOS as closely as possible and intoduction
20 // of new IO (à la PHOS)
21 // Mar 2007, Aleksei Pavlinov - new algoritmh of pseudo clusters
22 //////////////////////////////////////////////////////////////////////////////
23 // Clusterization class. Performs clusterization (collects neighbouring active cells) and
24 // unfolds the clusters having several local maxima.
25 // Results are stored in TreeR#, branches EMCALTowerRP (EMC recPoints),
26 // EMCALPreShoRP (CPV RecPoints) and AliEMCALClusterizer (Clusterizer with all
27 // parameters including input digits branch title, thresholds etc.)
28 // This TTask is normally called from Reconstructioner, but can as well be used in
31 // root [0] AliEMCALClusterizerv1 * cl = new AliEMCALClusterizerv1("galice.root")
32 // Warning in <TDatabasePDG::TDatabasePDG>: object already instantiated
33 // //reads gAlice from header file "..."
34 // root [1] cl->ExecuteTask()
35 // //finds RecPoints in all events stored in galice.root
36 // root [2] cl->SetDigitsBranch("digits2")
37 // //sets another title for Digitis (input) branch
38 // root [3] cl->SetRecPointsBranch("recp2")
39 // //sets another title four output branches
40 // root [4] cl->SetTowerLocalMaxCut(0.03)
41 // //set clusterization parameters
42 // root [5] cl->ExecuteTask("deb all time")
43 // //once more finds RecPoints options are
44 // // deb - print number of found rec points
45 // // deb all - print number of found RecPoints and some their characteristics
46 // // time - print benchmarking results
48 // --- ROOT system ---
59 #include <TBenchmark.h>
63 // --- Standard library ---
66 // --- AliRoot header files ---
67 #include "AliRunLoader.h"
70 #include "AliEMCALClusterizerv1.h"
71 #include "AliEMCALRecPoint.h"
72 #include "AliEMCALDigit.h"
73 #include "AliEMCALDigitizer.h"
75 #include "AliEMCALGeometry.h"
77 //#include "AliEMCALHistoUtilities.h"
78 #include "AliEMCALRecParam.h"
79 #include "AliEMCALReconstructor.h"
80 #include "AliCDBManager.h"
83 #include "AliCDBEntry.h"
85 ClassImp(AliEMCALClusterizerv1)
87 //____________________________________________________________________________
88 AliEMCALClusterizerv1::AliEMCALClusterizerv1()
89 : AliEMCALClusterizer(),
91 //fHists(0),fPointE(0),fPointL1(0),fPointL2(0),
92 //fPointDis(0),fPointMult(0),fDigitAmp(0),fMaxE(0),
93 //fMaxL1(0),fMaxL2(0),fMaxDis(0),
97 fNumberOfECAClusters(0),fCalibData(0),
98 fADCchannelECA(0.),fADCpedestalECA(0.),fECAClusteringThreshold(0.),fECALocMaxCut(0.),
99 fECAW0(0.),fTimeCut(0.),fMinECut(0.)
101 // ctor with the indication of the file where header Tree and digits Tree are stored
107 //____________________________________________________________________________
108 AliEMCALClusterizerv1::~AliEMCALClusterizerv1()
113 //____________________________________________________________________________
114 Float_t AliEMCALClusterizerv1::Calibrate(Int_t amp, Int_t AbsId)
117 // Convert digitized amplitude into energy.
118 // Calibration parameters are taken from calibration data base for raw data,
119 // or from digitizer parameters for simulated data.
124 AliFatal("Did not get geometry from EMCALLoader") ;
133 Bool_t bCell = fGeom->GetCellIndex(AbsId, iSupMod, nModule, nIphi, nIeta) ;
135 fGeom->PrintGeometry();
136 Error("Calibrate()"," Wrong cell id number : %i", AbsId);
140 fGeom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta);
142 fADCchannelECA = fCalibData->GetADCchannel (iSupMod,ieta,iphi);
143 fADCpedestalECA = fCalibData->GetADCpedestal(iSupMod,ieta,iphi);
145 return -fADCpedestalECA + amp * fADCchannelECA ;
148 else //Return energy with default parameters if calibration is not available
149 return -fADCpedestalECA + amp * fADCchannelECA ;
153 //____________________________________________________________________________
154 void AliEMCALClusterizerv1::Digits2Clusters(Option_t * option)
156 // Steering method to perform clusterization for the current event
159 if(strstr(option,"tim"))
160 gBenchmark->Start("EMCALClusterizer");
162 if(strstr(option,"print"))
165 //Get calibration parameters from file or digitizer default values.
166 GetCalibrationParameters() ;
169 fNumberOfECAClusters = 0;
171 MakeClusters() ; //only the real clusters
178 //Evaluate position, dispersion and other RecPoint properties for EC section
179 for(index = 0; index < fRecPoints->GetEntries(); index++) {
180 dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(index))->EvalAll(fECAW0,fDigitsArr) ;
185 for(index = 0; index < fRecPoints->GetEntries(); index++) {
186 (dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(index)))->SetIndexInList(index) ;
187 (dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(index)))->Print();
192 if(strstr(option,"deb") || strstr(option,"all"))
193 PrintRecPoints(option) ;
195 AliDebug(1,Form("EMCAL Clusterizer found %d Rec Points",fRecPoints->GetEntriesFast()));
197 if(strstr(option,"tim")){
198 gBenchmark->Stop("EMCALClusterizer");
199 printf("Exec took %f seconds for Clusterizing",
200 gBenchmark->GetCpuTime("EMCALClusterizer"));
204 //____________________________________________________________________________
205 Bool_t AliEMCALClusterizerv1::FindFit(AliEMCALRecPoint * emcRP, AliEMCALDigit ** maxAt, Float_t * maxAtEnergy,
206 Int_t nPar, Float_t * fitparameters) const
208 // Calls TMinuit to fit the energy distribution of a cluster with several maxima
209 // The initial values for fitting procedure are set equal to the positions of local maxima.
210 // Cluster will be fitted as a superposition of nPar/3 electromagnetic showers
212 gMinuit->mncler(); // Reset Minuit's list of paramters
213 gMinuit->SetPrintLevel(-1) ; // No Printout
214 gMinuit->SetFCN(AliEMCALClusterizerv1::UnfoldingChiSquare) ;
215 // To set the address of the minimization function
216 TList * toMinuit = new TList();
217 toMinuit->AddAt(emcRP,0) ;
218 toMinuit->AddAt(fDigitsArr,1) ;
220 gMinuit->SetObjectFit(toMinuit) ; // To tranfer pointer to UnfoldingChiSquare
222 // filling initial values for fit parameters
223 AliEMCALDigit * digit ;
227 Int_t nDigits = (Int_t) nPar / 3 ;
231 for(iDigit = 0; iDigit < nDigits; iDigit++){
232 digit = maxAt[iDigit];
236 // have to be tune for TRD1; May 31,06
238 // fGeom->AbsToRelNumbering(digit->GetId(), relid) ; // obsolete method
239 // fGeom->PosInAlice(relid, x, z) ; // obsolete method
241 Float_t energy = maxAtEnergy[iDigit] ;
243 gMinuit->mnparm(index, "x", x, 0.1, 0, 0, ierflg) ;
246 Error("FindFit", "EMCAL Unfolding Unable to set initial value for fit procedure : x = %f", x ) ;
249 gMinuit->mnparm(index, "z", z, 0.1, 0, 0, ierflg) ;
252 Error("FindFit", "EMCAL Unfolding Unable to set initial value for fit procedure : z = %f", z) ;
255 gMinuit->mnparm(index, "Energy", energy , 0.05*energy, 0., 4.*energy, ierflg) ;
258 Error("FindFit", "EMCAL Unfolding Unable to set initial value for fit procedure : energy = %f", energy) ;
263 Double_t p0 = 0.1 ; // "Tolerance" Evaluation stops when EDM = 0.0001*p0 ; The number of function call slightly
268 gMinuit->mnexcm("SET STR", &p2, 0, ierflg) ; // force TMinuit to reduce function calls
269 gMinuit->mnexcm("SET GRA", &p1, 1, ierflg) ; // force TMinuit to use my gradient
270 gMinuit->SetMaxIterations(5);
271 gMinuit->mnexcm("SET NOW", &p2 , 0, ierflg) ; // No Warnings
273 gMinuit->mnexcm("MIGRAD", &p0, 0, ierflg) ; // minimize
275 if(ierflg == 4){ // Minimum not found
276 Error("FindFit", "EMCAL Unfolding Fit not converged, cluster abandoned " ) ;
279 for(index = 0; index < nPar; index++){
282 gMinuit->GetParameter(index, val, err) ; // Returns value and error of parameter index
283 fitparameters[index] = val ;
291 //____________________________________________________________________________
292 void AliEMCALClusterizerv1::GetCalibrationParameters()
294 // Set calibration parameters:
295 // if calibration database exists, they are read from database,
296 // otherwise, they are taken from digitizer.
298 // It is a user responsilibity to open CDB before reconstruction,
300 // AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB");
302 //Check if calibration is stored in data base
304 if(!fCalibData && (AliCDBManager::Instance()->IsDefaultStorageSet()))
306 AliCDBEntry *entry = (AliCDBEntry*)
307 AliCDBManager::Instance()->Get("EMCAL/Calib/Data");
308 if (entry) fCalibData = (AliEMCALCalibData*) entry->GetObject();
312 AliFatal("Calibration parameters not found in CDB!");
316 //____________________________________________________________________________
317 void AliEMCALClusterizerv1::Init()
319 // Make all memory allocations which can not be done in default constructor.
320 // Attach the Clusterizer task to the list of EMCAL tasks
322 AliRunLoader *rl = AliRunLoader::GetRunLoader();
323 if (rl->GetAliRun() && rl->GetAliRun()->GetDetector("EMCAL"))
324 fGeom = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"))->GetGeometry();
326 fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
328 AliDebug(1,Form("geom 0x%x",fGeom));
331 gMinuit = new TMinuit(100) ;
334 //fHists = BookHists();
337 //____________________________________________________________________________
338 void AliEMCALClusterizerv1::InitParameters()
340 // Initializes the parameters for the Clusterizer
341 fNumberOfECAClusters = 0;
343 fECALocMaxCut = 0.03; // ??
345 fTimeCut = 300e-9 ; // 300 ns time cut (to be tuned)
350 const AliEMCALRecParam* recParam = AliEMCALReconstructor::GetRecParam();
352 AliFatal("Reconstruction parameters for EMCAL not set!");
355 fECAClusteringThreshold = recParam->GetClusteringThreshold();
356 fECAW0 = recParam->GetW0();
357 fMinECut = recParam->GetMinECut();
358 AliDebug(1,Form("Reconstruction parameters: fECAClusteringThreshold=%.3f, fECAW=%.3f, fMinECut=%.3f",
359 fECAClusteringThreshold,fECAW0,fMinECut));
364 //____________________________________________________________________________
365 Int_t AliEMCALClusterizerv1::AreNeighbours(AliEMCALDigit * d1, AliEMCALDigit * d2) const
367 // Gives the neighbourness of two digits = 0 are not neighbour ; continue searching
369 // = 2 is in different SM; continue searching
370 // neighbours are defined as digits having at least a common vertex
371 // The order of d1 and d2 is important: first (d1) should be a digit already in a cluster
372 // which is compared to a digit (d2) not yet in a cluster
375 static Int_t nSupMod1=0, nModule1=0, nIphi1=0, nIeta1=0, iphi1=0, ieta1=0;
376 static Int_t nSupMod2=0, nModule2=0, nIphi2=0, nIeta2=0, iphi2=0, ieta2=0;
377 static Int_t rowdiff, coldiff;
380 fGeom->GetCellIndex(d1->GetId(), nSupMod1,nModule1,nIphi1,nIeta1);
381 fGeom->GetCellIndex(d2->GetId(), nSupMod2,nModule2,nIphi2,nIeta2);
382 if(nSupMod1 != nSupMod2) return 2; // different SM
384 fGeom->GetCellPhiEtaIndexInSModule(nSupMod1,nModule1,nIphi1,nIeta1, iphi1,ieta1);
385 fGeom->GetCellPhiEtaIndexInSModule(nSupMod2,nModule2,nIphi2,nIeta2, iphi2,ieta2);
387 rowdiff = TMath::Abs(iphi1 - iphi2);
388 coldiff = TMath::Abs(ieta1 - ieta2) ;
390 // neighbours with at least commom side; May 11, 2007
391 if ((coldiff==0 && abs(rowdiff)==1) || (rowdiff==0 && abs(coldiff)==1)) rv = 1;
393 if (gDebug == 2 && rv==1)
394 printf("AreNeighbours: neighbours=%d, id1=%d, relid1=%d,%d \n id2=%d, relid2=%d,%d \n",
395 rv, d1->GetId(), iphi1,ieta1, d2->GetId(), iphi2,ieta2);
400 //____________________________________________________________________________
401 void AliEMCALClusterizerv1::MakeClusters()
403 // Steering method to construct the clusters stored in a list of Reconstructed Points
404 // A cluster is defined as a list of neighbour digits
405 // Mar 03, 2007 by PAI
407 if (fGeom==0) AliFatal("Did not get geometry from EMCALLoader");
411 // Set up TObjArray with pointers to digits to work on
412 TObjArray *digitsC = new TObjArray();
413 TIter nextdigit(fDigitsArr);
414 AliEMCALDigit *digit;
415 while ( (digit = dynamic_cast<AliEMCALDigit*>(nextdigit())) ) {
416 digitsC->AddLast(digit);
419 double e = 0.0, ehs = 0.0;
420 TIter nextdigitC(digitsC);
422 while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigitC())) ) { // clean up digits
423 e = Calibrate(digit->GetAmp(), digit->GetId());
425 //AliEMCALHistoUtilities::FillH1(fHists, 10, digit->GetAmp());
426 //AliEMCALHistoUtilities::FillH1(fHists, 11, e);
427 if ( e < fMinECut || digit->GetTimeR() > fTimeCut )
428 digitsC->Remove(digit);
432 AliDebug(1,Form("MakeClusters: Number of digits %d -> (e %f), ehs %d\n",
433 fDigitsArr->GetEntries(),fMinECut,ehs));
437 while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigitC())) ) { // scan over the list of digitsC
438 TArrayI clusterECAdigitslist(fDigitsArr->GetEntries());
440 if(fGeom->CheckAbsCellId(digit->GetId()) && (Calibrate(digit->GetAmp(), digit->GetId()) > fECAClusteringThreshold ) ){
441 // start a new Tower RecPoint
442 if(fNumberOfECAClusters >= fRecPoints->GetSize()) fRecPoints->Expand(2*fNumberOfECAClusters+1) ;
443 AliEMCALRecPoint *recPoint = new AliEMCALRecPoint("") ;
444 fRecPoints->AddAt(recPoint, fNumberOfECAClusters) ;
445 recPoint = dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(fNumberOfECAClusters)) ;
446 fNumberOfECAClusters++ ;
448 recPoint->SetClusterType(AliESDCaloCluster::kEMCALClusterv1);
450 recPoint->AddDigit(*digit, Calibrate(digit->GetAmp(), digit->GetId())) ;
451 TObjArray clusterDigits;
452 clusterDigits.AddLast(digit);
453 digitsC->Remove(digit) ;
455 AliDebug(1,Form("MakeClusters: OK id = %d, ene = %f , cell.th. = %f \n", digit->GetId(),
456 Calibrate(digit->GetAmp(),digit->GetId()), fECAClusteringThreshold));
458 // Grow cluster by finding neighbours
459 TIter nextClusterDigit(&clusterDigits);
460 while ( (digit = dynamic_cast<AliEMCALDigit*>(nextClusterDigit())) ) { // scan over digits in cluster
461 TIter nextdigitN(digitsC);
462 AliEMCALDigit *digitN = 0; // digi neighbor
463 while ( (digitN = (AliEMCALDigit *)nextdigitN()) ) { // scan over all digits to look for neighbours
464 if (AreNeighbours(digit, digitN)==1) { // call (digit,digitN) in THAT oder !!!!!
465 recPoint->AddDigit(*digitN, Calibrate(digitN->GetAmp(),digitN->GetId()) ) ;
466 clusterDigits.AddLast(digitN) ;
467 digitsC->Remove(digitN) ;
469 } // scan over digits
470 } // scan over digits already in cluster
472 AliDebug(2,Form("MakeClusters: %d digitd, energy %f \n", clusterDigits.GetEntries(), recPoint->GetEnergy()));
478 AliDebug(1,Form("total no of clusters %d from %d digits",fNumberOfECAClusters,fDigitsArr->GetEntriesFast()));
481 //____________________________________________________________________________
482 void AliEMCALClusterizerv1::MakeUnfolding() const
484 Fatal("AliEMCALClusterizerv1::MakeUnfolding", "--> Unfolding not implemented") ;
487 //____________________________________________________________________________
488 Double_t AliEMCALClusterizerv1::ShowerShape(Double_t r)
490 // Shape of the shower (see EMCAL TDR)
491 // If you change this function, change also the gradient evaluation in ChiSquare()
493 Double_t r4 = r*r*r*r ;
494 Double_t r295 = TMath::Power(r, 2.95) ;
495 Double_t shape = TMath::Exp( -r4 * (1. / (2.32 + 0.26 * r4) + 0.0316 / (1 + 0.0652 * r295) ) ) ;
499 //____________________________________________________________________________
500 void AliEMCALClusterizerv1::UnfoldCluster(AliEMCALRecPoint * /*iniTower*/,
502 AliEMCALDigit ** /*maxAt*/,
503 Float_t * /*maxAtEnergy*/) const
505 // Performs the unfolding of a cluster with nMax overlapping showers
507 Fatal("UnfoldCluster", "--> Unfolding not implemented") ;
511 //_____________________________________________________________________________
512 void AliEMCALClusterizerv1::UnfoldingChiSquare(Int_t & /*nPar*/, Double_t * /*Grad*/,
514 Double_t * /*x*/, Int_t /*iflag*/)
516 // Calculates the Chi square for the cluster unfolding minimization
517 // Number of parameters, Gradient, Chi squared, parameters, what to do
519 ::Fatal("UnfoldingChiSquare","Unfolding not implemented") ;
521 //____________________________________________________________________________
522 void AliEMCALClusterizerv1::Print(Option_t * /*option*/)const
524 // Print clusterizer parameters
526 TString message("\n") ;
528 if( strcmp(GetName(), "") !=0 ){
532 TString taskName(Version()) ;
534 printf("--------------- ");
535 printf(taskName.Data()) ;
537 printf("Clusterizing digits: ");
538 printf("\n ECA Local Maximum cut = %f", fECALocMaxCut);
539 printf("\n ECA Logarithmic weight = %f", fECAW0);
541 printf("\nUnfolding on\n");
543 printf("\nUnfolding off\n");
545 printf("------------------------------------------------------------------");
548 printf("AliEMCALClusterizerv1 not initialized ") ;
551 //____________________________________________________________________________
552 void AliEMCALClusterizerv1::PrintRecPoints(Option_t * option)
554 // Prints list of RecPoints produced at the current pass of AliEMCALClusterizer
555 if(strstr(option,"deb")) {
556 printf("PrintRecPoints: Clusterization result:") ;
558 printf(" Found %d ECA Rec Points\n ",
559 fRecPoints->GetEntriesFast()) ;
562 if(strstr(option,"all")) {
563 if(strstr(option,"deb")) {
564 printf("\n-----------------------------------------------------------------------\n") ;
565 printf("Clusters in ECAL section\n") ;
566 printf("Index Ene(GeV) Multi Module GX GY GZ lX lY lZ Dispersion Lambda 1 Lambda 2 # of prim Primaries list\n") ;
575 //AliEMCALHistoUtilities::FillH1(fHists, 12, double(fRecPoints->GetEntries()));
577 for (index = 0 ; index < fRecPoints->GetEntries() ; index++) {
578 AliEMCALRecPoint * rp = dynamic_cast<AliEMCALRecPoint * >(fRecPoints->At(index)) ;
580 //rp->GetGlobalPosition(globalpos);
582 rp->GetLocalPosition(localpos);
584 rp->GetElipsAxis(lambda);
587 primaries = rp->GetPrimaries(nprimaries);
588 if(strstr(option,"deb"))
589 printf("\n%6d %8.4f %3d %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4f %4f %2d : ",
590 rp->GetIndexInList(), rp->GetEnergy(), rp->GetMultiplicity(),
591 globalpos.X(), globalpos.Y(), globalpos.Z(), localpos.X(), localpos.Y(), localpos.Z(),
592 rp->GetDispersion(), lambda[0], lambda[1], nprimaries) ;
594 if(rp->GetEnergy()>maxE){
595 maxE=rp->GetEnergy();
598 maxDis=rp->GetDispersion();
601 //fPointE->Fill(rp->GetEnergy());
602 //fPointL1->Fill(lambda[0]);
603 //fPointL2->Fill(lambda[1]);
604 //fPointDis->Fill(rp->GetDispersion());
605 //fPointMult->Fill(rp->GetMultiplicity());
607 if(strstr(option,"deb")){
608 for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) {
609 printf("%d ", primaries[iprimary] ) ;
615 // fMaxE->Fill(maxE);
616 // fMaxL1->Fill(maxL1);
617 // fMaxL2->Fill(maxL2);
618 // fMaxDis->Fill(maxDis);
620 if(strstr(option,"deb"))
621 printf("\n-----------------------------------------------------------------------\n");
626 TList* AliEMCALClusterizerv1::BookHists()
628 //set up histograms for monitoring clusterizer performance
632 fPointE = new TH1F("00_pointE","point energy", 2000, 0.0, 150.);
633 fPointL1 = new TH1F("01_pointL1","point L1", 1000, 0.0, 3.);
634 fPointL2 = new TH1F("02_pointL2","point L2", 1000, 0.0, 3.);
635 fPointDis = new TH1F("03_pointDisp","point dispersion", 1000, 0.0, 10.);
636 fPointMult = new TH1F("04_pointMult","#cell in point(cluster)", 101, -0.5, 100.5);
637 fDigitAmp = new TH1F("05_digitAmp","Digit Amplitude", 2000, 0.0, 5000.);
638 fMaxE = new TH1F("06_maxE","Max point energy", 2000, 0.0, 150.);
639 fMaxL1 = new TH1F("07_maxL1","Largest (first) of eigenvalue of covariance matrix", 1000, 0.0, 3.);
640 fMaxL2 = new TH1F("08_maxL2","Smalest (second) of eigenvalue of covariace matrix", 1000, 0.0, 3.);
641 fMaxDis = new TH1F("09_maxDis","Point dispersion", 1000, 0.0, 10.); // 9
643 new TH1F("10_adcOfDigits","adc of digits(threshold control)", 1001, -0.5, 1000.5); // 10
644 new TH1F("11_energyOfDigits","energy of digits(threshold control)", 1000, 0.0, 1.); // 11
645 new TH1F("12_numberOfPoints","number of points(clusters)", 101, -0.5, 100.5); // 12
647 return AliEMCALHistoUtilities::MoveHistsToList("EmcalClusterizerv1ControlHists", kFALSE);
650 void AliEMCALClusterizerv1::SaveHists(const char *fn)
652 AliEMCALHistoUtilities::SaveListOfHists(fHists, fn, kTRUE);
656 //___________________________________________________________________
657 void AliEMCALClusterizerv1::PrintRecoInfo()
659 printf(" AliEMCALClusterizerv1::PrintRecoInfo() : version %s \n", Version() );
661 //TH1F *h = (TH1F*)fHists->At(12);
663 // printf(" ## Multiplicity of RecPoints ## \n");
664 // for(int i=1; i<=h->GetNbinsX(); i++) {
665 // int nbin = int((*h)[i]);
666 // int mult = int(h->GetBinCenter(i));
667 // if(nbin > 0) printf(" %i : %5.5i %6.3f %% \n", mult, nbin, 100.*nbin/h->GetEntries());
674 //___________________________________________________________________
675 void AliEMCALClusterizerv1::DrawLambdasHists()
679 if(fMaxL2) fMaxL2->Draw("same");
681 fMaxDis->Draw("same");