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4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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14 **************************************************************************/
18 //_________________________________________________________________________
19 // Base class for the clusterization algorithm (pure abstract)
21 //*-- Author: Yves Schutz SUBATECH
23 // Clusterization mother class. Contains common methods/data members of different
24 // clusterizers. GCB 2010
25 //////////////////////////////////////////////////////////////////////////////
27 // --- ROOT system ---
28 #include "TClonesArray.h"
36 #include <TBenchmark.h>
40 // --- Standard library ---
43 // --- AliRoot header files ---
44 #include "AliEMCALClusterizer.h"
45 #include "AliEMCALReconstructor.h"
46 #include "AliRunLoader.h"
50 #include "AliEMCALRecPoint.h"
51 #include "AliEMCALRecParam.h"
52 #include "AliEMCALGeometry.h"
53 #include "AliEMCALRecParam.h"
54 #include "AliCDBManager.h"
55 #include "AliCaloCalibPedestal.h"
56 #include "AliEMCALCalibData.h"
58 #include "AliCDBEntry.h"
60 ClassImp(AliEMCALClusterizer)
62 //____________________________________________________________________________
63 AliEMCALClusterizer::AliEMCALClusterizer():
64 fIsInputCalibrated(kFALSE),
65 fJustClusters(kFALSE),
72 fADCchannelECA(0.),fADCpedestalECA(0.), fTimeECA(0.),
73 fTimeMin(-1.),fTimeMax(1.),fTimeCut(1.),
74 fDefaultInit(kFALSE),fToUnfold(kFALSE),
75 fNumberOfECAClusters(0), fECAClusteringThreshold(0.),
76 fECALocMaxCut(0.),fECAW0(0.),fMinECut(0.),
77 fClusterUnfolding(NULL)
84 //____________________________________________________________________________
85 AliEMCALClusterizer::AliEMCALClusterizer(AliEMCALGeometry* geometry):
86 fIsInputCalibrated(kFALSE),
87 fJustClusters(kFALSE),
94 fADCchannelECA(0.),fADCpedestalECA(0.), fTimeECA(0.),
95 fTimeMin(-1.),fTimeMax(1.),fTimeCut(1.),
96 fDefaultInit(kFALSE),fToUnfold(kFALSE),
97 fNumberOfECAClusters(0), fECAClusteringThreshold(0.),
98 fECALocMaxCut(0.),fECAW0(0.),fMinECut(0.),
99 fClusterUnfolding(NULL)
101 // Ctor with the indication of the file where header Tree and digits Tree are stored.
102 // Use this contructor to avoid usage of Init() which uses runloader.
103 // Change needed by HLT - MP.
104 // Note for the future: the use on runloader should be avoided or optional at least.
105 // Another way is to make Init virtual and protected at least
106 // such that the deriving classes can overload Init();
110 AliFatal("Geometry not initialized.");
113 for (i = 0; i < 8; i++)
115 for (i = 0; i < 3; i++) {
121 //____________________________________________________________________________
122 AliEMCALClusterizer::AliEMCALClusterizer(AliEMCALGeometry *geometry,
123 AliEMCALCalibData *calib,
124 AliCaloCalibPedestal *caloped):
125 fIsInputCalibrated(kFALSE),
126 fJustClusters(kFALSE),
133 fADCchannelECA(0.),fADCpedestalECA(0.), fTimeECA(0.),
134 fTimeMin(-1.),fTimeMax(1.),fTimeCut(1.),
135 fDefaultInit(kFALSE),fToUnfold(kFALSE),
136 fNumberOfECAClusters(0), fECAClusteringThreshold(0.),
137 fECALocMaxCut(0.),fECAW0(0.),fMinECut(0.),
138 fClusterUnfolding(NULL)
140 // ctor, geometry and calibration are initialized elsewhere.
143 AliFatal("Geometry not initialized.");
146 for (i = 0; i < 8; i++)
148 for (i = 0; i < 3; i++) {
154 //____________________________________________________________________________
155 AliEMCALClusterizer::~AliEMCALClusterizer()
158 //Already deleted in AliEMCALReconstructor.
160 if(fClusterUnfolding) delete fClusterUnfolding;
162 // make sure we delete the rec points array
165 //Delete digits array
170 //____________________________________________________________________________
171 void AliEMCALClusterizer::DeleteRecPoints()
173 // free the cluster array
176 AliDebug(2, "Deleting fRecPoints.");
177 fRecPoints->Delete();
182 //____________________________________________________________________________
183 void AliEMCALClusterizer::DeleteDigits()
185 // free the digits array
188 AliDebug(2, "Deleting fDigitsArr.");
189 fDigitsArr->Clear("C");
194 //____________________________________________________________________________
195 void AliEMCALClusterizer::Calibrate(Float_t & amp, Float_t & time, const Int_t absId)
197 // Convert digitized amplitude into energy, calibrate time
198 // Calibration parameters are taken from OCDB : OCDB/EMCAL/Calib/Data
200 //Check if time is too large or too small, indication of a noisy channel, remove in this case
201 if(time > fTimeMax || time < fTimeMin) {
207 //Return energy with default parameters if calibration is not available
208 if (!fCalibData && !fCaloPed) {
209 if (fIsInputCalibrated == kTRUE)
211 AliDebug(10, Form("Input already calibrated!"));
215 AliFatal("OCDB calibration and bad map parameters are not available");
221 AliFatal("Did not get geometry from EMCALLoader") ;
230 Bool_t bCell = fGeom->GetCellIndex(absId, iSupMod, nModule, nIphi, nIeta) ;
232 fGeom->PrintGeometry();
233 AliError(Form("Wrong cell id number : %i", absId));
234 //assert(0); // GCB: This aborts reconstruction of raw simulations
235 //where simulation had more SM than default geometry,
236 //change to return 0, to avoid aborting good generations.
242 fGeom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta);
244 // Check if channel is bad (dead or hot), in this case return 0.
245 // Gustavo: 15-12-09 In case of RAW data this selection is already done, but not in simulation.
246 // for the moment keep it here but remember to do the selection at the sdigitizer level
247 // and remove it from here
249 Int_t channelStatus = (Int_t)(fCaloPed->GetDeadMap(iSupMod))->GetBinContent(ieta,iphi);
250 if(channelStatus == AliCaloCalibPedestal::kHot || channelStatus == AliCaloCalibPedestal::kDead) {
251 AliDebug(2,Form("Tower from SM %d, ieta %d, iphi %d is BAD : status %d !!!",iSupMod,ieta,iphi, channelStatus));
258 if (fIsInputCalibrated || !fCalibData)
260 AliDebug(10, Form("Input already calibrated!"));
264 fADCchannelECA = fCalibData->GetADCchannel (iSupMod,ieta,iphi);
265 fADCpedestalECA = fCalibData->GetADCpedestal(iSupMod,ieta,iphi);
266 fTimeECA = fCalibData->GetTimeChannel(iSupMod,ieta,iphi);
269 amp = amp * fADCchannelECA - fADCpedestalECA ;
273 //____________________________________________________________________________
274 void AliEMCALClusterizer::GetCalibrationParameters()
276 // Set calibration parameters:
277 // If calibration database exists, they are read from database,
278 // otherwise, they are taken from digitizer.
279 // It is a user responsilibity to open CDB before reconstruction,
281 // AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB");
283 if (fIsInputCalibrated)
286 //Check if calibration is stored in data base
289 AliCDBEntry *entry = (AliCDBEntry*)
290 AliCDBManager::Instance()->Get("EMCAL/Calib/Data");
291 if (entry) fCalibData = (AliEMCALCalibData*) entry->GetObject();
295 AliFatal("Calibration parameters not found in CDB!");
298 //____________________________________________________________________________
299 void AliEMCALClusterizer::GetCaloCalibPedestal()
301 // Set calibration parameters:
302 // if calibration database exists, they are read from database,
303 // otherwise, they are taken from digitizer.
305 // It is a user responsilibity to open CDB before reconstruction,
307 // AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB");
309 if (fIsInputCalibrated)
312 // Check if calibration is stored in data base
315 AliCDBEntry *entry = (AliCDBEntry*)
316 AliCDBManager::Instance()->Get("EMCAL/Calib/Pedestals");
317 if (entry) fCaloPed = (AliCaloCalibPedestal*) entry->GetObject();
321 AliFatal("Pedestal info not found in CDB!");
324 //____________________________________________________________________________
325 void AliEMCALClusterizer::Init()
327 // Make all memory allocations which can not be done in default constructor.
328 // Attach the Clusterizer task to the list of EMCAL tasks
330 AliRunLoader *rl = AliRunLoader::Instance();
331 if (rl->GetAliRun()){
332 AliEMCAL* emcal = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"));
333 if(emcal)fGeom = emcal->GetGeometry();
337 fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
340 AliDebug(1,Form("geom %p",fGeom));
343 gMinuit = new TMinuit(100) ;
346 for (i = 0; i < 8; i++)
348 for (i = 0; i < 3; i++) {
354 //____________________________________________________________________________
355 void AliEMCALClusterizer::InitParameters()
357 // Initializes the parameters for the Clusterizer from AliEMCALReconstructor::GetRecParam().
359 return InitParameters(AliEMCALReconstructor::GetRecParam());
362 //____________________________________________________________________________
363 void AliEMCALClusterizer::InitParameters(const AliEMCALRecParam* recParam)
365 // Initializes the parameters for the Clusterizer
367 fNumberOfECAClusters = 0 ;
372 AliFatal("Reconstruction parameters for EMCAL not set!");
375 fECAClusteringThreshold = recParam->GetClusteringThreshold();
376 fECAW0 = recParam->GetW0();
377 fMinECut = recParam->GetMinECut();
378 fToUnfold = recParam->GetUnfold();
379 fECALocMaxCut = recParam->GetLocMaxCut();
380 fTimeCut = recParam->GetTimeCut();
381 fTimeMin = recParam->GetTimeMin();
382 fTimeMax = recParam->GetTimeMax();
385 SetNRowDiff(recParam->GetNRowDiff());
386 SetNColDiff(recParam->GetNColDiff());
388 AliDebug(1,Form("Reconstruction parameters: fECAClusteringThreshold=%.3f GeV, fECAW=%.3f, fMinECut=%.3f GeV, "
389 "fToUnfold=%d, fECALocMaxCut=%.3f GeV, fTimeCut=%e s,fTimeMin=%e s,fTimeMax=%e s",
390 fECAClusteringThreshold,fECAW0,fMinECut,fToUnfold,fECALocMaxCut,fTimeCut, fTimeMin, fTimeMax));
394 for (i = 0; i < 8; i++) {
395 fSSPars[i] = recParam->GetSSPars(i);
396 } //end of loop over parameters
397 for (i = 0; i < 3; i++) {
398 fPar5[i] = recParam->GetPar5(i);
399 fPar6[i] = recParam->GetPar6(i);
400 } //end of loop over parameters
402 InitClusterUnfolding();
404 for (i = 0; i < 8; i++) {
405 AliDebug(1,Form("unfolding shower shape parameters: fSSPars=%f \n",fSSPars[i]));
407 for (i = 0; i < 3; i++) {
408 AliDebug(1,Form("unfolding parameter 5: fPar5=%f \n",fPar5[i]));
409 AliDebug(1,Form("unfolding parameter 6: fPar6=%f \n",fPar6[i]));
414 //____________________________________________________________________________
415 void AliEMCALClusterizer::Print(Option_t * /*option*/)const
417 // Print clusterizer parameters
419 TString message("\n") ;
421 if (strcmp(GetName(),"") == 0) {
422 printf("AliEMCALClusterizer not initialized\n");
427 TString taskName(Version()) ;
429 printf("--------------- ");
430 printf("%s",taskName.Data()) ;
432 printf("Clusterizing digits: ");
433 printf("\n ECA Local Maximum cut = %f", fECALocMaxCut);
434 printf("\n ECA Logarithmic weight = %f", fECAW0);
436 printf("\nUnfolding on\n");
437 printf("Unfolding parameters: fSSpars: \n");
439 for (i = 0; i < 8; i++) {
440 printf("fSSPars[%d] = %f \n", i, fSSPars[i]);
442 printf("Unfolding parameter 5 and 6: fPar5 and fPar6: \n");
443 for (i = 0; i < 3; i++) {
444 printf("fPar5[%d] = %f \n", i, fPar5[i]);
445 printf("fPar6[%d] = %f \n", i, fPar6[i]);
449 printf("\nUnfolding off\n");
451 printf("------------------------------------------------------------------");
454 //____________________________________________________________________________
455 void AliEMCALClusterizer::PrintRecPoints(Option_t * option)
457 // Prints list of RecPoints produced at the current pass of AliEMCALClusterizer
459 if (strstr(option,"deb")) {
460 printf("PrintRecPoints: Clusterization result:") ;
461 printf(" Found %d ECA Rec Points\n ",
462 fRecPoints->GetEntriesFast()) ;
465 if (strstr(option,"all")) {
466 if (strstr(option,"deb")) {
467 printf("\n-----------------------------------------------------------------------\n") ;
468 printf("Clusters in ECAL section\n") ;
469 printf("Index Ene(GeV) Multi Module GX GY GZ lX lY lZ Dispersion Lambda 1 Lambda 2 # of prim Primaries list\n") ;
472 for (index = 0 ; index < fRecPoints->GetEntries() ; index++) {
473 AliEMCALRecPoint * rp = dynamic_cast<AliEMCALRecPoint * >(fRecPoints->At(index)) ;
478 //rp->GetGlobalPosition(globalpos);
480 rp->GetLocalPosition(localpos);
482 rp->GetElipsAxis(lambda);
485 Int_t * primaries = rp->GetPrimaries(nprimaries);
486 if(strstr(option,"deb"))
487 printf("\n%6d %8.4f %3d %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4f %4f %2d : ",
488 rp->GetIndexInList(), rp->GetEnergy(), rp->GetMultiplicity(),
489 globalpos.X(), globalpos.Y(), globalpos.Z(), localpos.X(), localpos.Y(), localpos.Z(),
490 rp->GetDispersion(), lambda[0], lambda[1], nprimaries) ;
491 if(strstr(option,"deb")){
492 for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) {
493 printf("%d ", primaries[iprimary] ) ;
498 if(strstr(option,"deb"))
499 printf("\n-----------------------------------------------------------------------\n");
503 //___________________________________________________________________
504 void AliEMCALClusterizer::PrintRecoInfo()
506 // Print reco version
508 printf(" AliEMCALClusterizer::PrintRecoInfo() : version %s \n", Version() );
511 //____________________________________________________________________________
512 void AliEMCALClusterizer::SetInput(TTree *digitsTree)
514 // Read the digits from the input tree
516 TBranch *branch = digitsTree->GetBranch("EMCAL");
518 AliError("can't get the branch with the EMCAL digits !");
522 fDigitsArr = new TClonesArray("AliEMCALDigit",100);
523 branch->SetAddress(&fDigitsArr);
527 //____________________________________________________________________________
528 void AliEMCALClusterizer::SetOutput(TTree *clustersTree)
530 // Read the digits from the input tree
532 AliDebug(9, "Making array for EMCAL clusters");
533 fRecPoints = new TObjArray(1000);
535 fTreeR = clustersTree;
537 Int_t bufsize = 32000;
538 fTreeR->Branch("EMCALECARP", "TObjArray", &fRecPoints, bufsize, split);
542 //___________________________________________________________________
543 void AliEMCALClusterizer::SetInputCalibrated(Bool_t val)
545 // Flag to indicate that input is calibrated - the case when we run already on ESD
547 fIsInputCalibrated = val;
550 //___________________________________________________________________
551 void AliEMCALClusterizer::SetJustClusters(Bool_t val)
553 // Flag to indicate that we are running on ESDs, when calling
554 // rp->EvalAll(fECAW0,fDigitsArr,fJustClusters); in derived classes