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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.),
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.),
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.),
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
166 //____________________________________________________________________________
167 void AliEMCALClusterizer::DeleteRecPoints()
169 // free the cluster array
172 AliDebug(2, "Deleting fRecPoints.");
173 fRecPoints->Delete();
179 //____________________________________________________________________________
180 Float_t AliEMCALClusterizer::Calibrate(const Float_t amp, const Float_t time, const Int_t absId)
182 // Convert digitized amplitude into energy.
183 // Calibration parameters are taken from calibration data base for raw data,
184 // or from digitizer parameters for simulated data.
186 //Return energy with default parameters if calibration is not available
187 if (!fCalibData&&!fCaloPed) {
188 if (fIsInputCalibrated == kTRUE)
190 AliDebug(10, Form("Input already calibrated!"));
194 return -fADCpedestalECA + amp * fADCchannelECA ;
198 AliFatal("Did not get geometry from EMCALLoader") ;
207 Bool_t bCell = fGeom->GetCellIndex(absId, iSupMod, nModule, nIphi, nIeta) ;
209 fGeom->PrintGeometry();
210 AliError(Form("Wrong cell id number : %i", absId));
211 //assert(0); // GCB: This aborts reconstruction of raw simulations
212 //where simulation had more SM than default geometry,
213 //change to return 0, to avoid aborting good generations.
217 fGeom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta);
219 // Check if channel is bad (dead or hot), in this case return 0.
220 // Gustavo: 15-12-09 In case of RAW data this selection is already done, but not in simulation.
221 // for the moment keep it here but remember to do the selection at the sdigitizer level
222 // and remove it from here
224 Int_t channelStatus = (Int_t)(fCaloPed->GetDeadMap(iSupMod))->GetBinContent(ieta,iphi);
225 if(channelStatus == AliCaloCalibPedestal::kHot || channelStatus == AliCaloCalibPedestal::kDead) {
226 AliDebug(2,Form("Tower from SM %d, ieta %d, iphi %d is BAD : status %d !!!",iSupMod,ieta,iphi, channelStatus));
230 //Check if time is too large or too small, indication of a noisy channel, remove in this case
231 if(time > fTimeMax || time < fTimeMin) return 0;
233 if (fIsInputCalibrated||!fCalibData)
235 AliDebug(10, Form("Input already calibrated!"));
239 fADCchannelECA = fCalibData->GetADCchannel (iSupMod,ieta,iphi);
240 fADCpedestalECA = fCalibData->GetADCpedestal(iSupMod,ieta,iphi);
242 return -fADCpedestalECA + amp * fADCchannelECA ;
245 //____________________________________________________________________________
246 void AliEMCALClusterizer::GetCalibrationParameters()
248 // Set calibration parameters:
249 // If calibration database exists, they are read from database,
250 // otherwise, they are taken from digitizer.
251 // It is a user responsilibity to open CDB before reconstruction,
253 // AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB");
255 if (fIsInputCalibrated)
258 //Check if calibration is stored in data base
261 AliCDBEntry *entry = (AliCDBEntry*)
262 AliCDBManager::Instance()->Get("EMCAL/Calib/Data");
263 if (entry) fCalibData = (AliEMCALCalibData*) entry->GetObject();
267 AliFatal("Calibration parameters not found in CDB!");
270 //____________________________________________________________________________
271 void AliEMCALClusterizer::GetCaloCalibPedestal()
273 // Set calibration parameters:
274 // if calibration database exists, they are read from database,
275 // otherwise, they are taken from digitizer.
277 // It is a user responsilibity to open CDB before reconstruction,
279 // AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB");
281 if (fIsInputCalibrated)
284 // Check if calibration is stored in data base
287 AliCDBEntry *entry = (AliCDBEntry*)
288 AliCDBManager::Instance()->Get("EMCAL/Calib/Pedestals");
289 if (entry) fCaloPed = (AliCaloCalibPedestal*) entry->GetObject();
293 AliFatal("Pedestal info not found in CDB!");
296 //____________________________________________________________________________
297 void AliEMCALClusterizer::Init()
299 // Make all memory allocations which can not be done in default constructor.
300 // Attach the Clusterizer task to the list of EMCAL tasks
302 AliRunLoader *rl = AliRunLoader::Instance();
303 if (rl->GetAliRun()){
304 AliEMCAL* emcal = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"));
305 if(emcal)fGeom = emcal->GetGeometry();
309 fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
312 AliDebug(1,Form("geom %p",fGeom));
315 gMinuit = new TMinuit(100) ;
318 for (i = 0; i < 8; i++)
320 for (i = 0; i < 3; i++) {
326 //____________________________________________________________________________
327 void AliEMCALClusterizer::InitParameters()
329 // Initializes the parameters for the Clusterizer from AliEMCALReconstructor::GetRecParam().
331 return InitParameters(AliEMCALReconstructor::GetRecParam());
334 //____________________________________________________________________________
335 void AliEMCALClusterizer::InitParameters(const AliEMCALRecParam* recParam)
337 // Initializes the parameters for the Clusterizer
339 fNumberOfECAClusters = 0 ;
344 AliFatal("Reconstruction parameters for EMCAL not set!");
347 fECAClusteringThreshold = recParam->GetClusteringThreshold();
348 fECAW0 = recParam->GetW0();
349 fMinECut = recParam->GetMinECut();
350 fToUnfold = recParam->GetUnfold();
351 fECALocMaxCut = recParam->GetLocMaxCut();
352 fTimeCut = recParam->GetTimeCut();
353 fTimeMin = recParam->GetTimeMin();
354 fTimeMax = recParam->GetTimeMax();
356 AliDebug(1,Form("Reconstruction parameters: fECAClusteringThreshold=%.3f GeV, fECAW=%.3f, fMinECut=%.3f GeV, "
357 "fToUnfold=%d, fECALocMaxCut=%.3f GeV, fTimeCut=%e s,fTimeMin=%e s,fTimeMax=%e s",
358 fECAClusteringThreshold,fECAW0,fMinECut,fToUnfold,fECALocMaxCut,fTimeCut, fTimeMin, fTimeMax));
362 for (i = 0; i < 8; i++) {
363 fSSPars[i] = recParam->GetSSPars(i);
364 } //end of loop over parameters
365 for (i = 0; i < 3; i++) {
366 fPar5[i] = recParam->GetPar5(i);
367 fPar6[i] = recParam->GetPar6(i);
368 } //end of loop over parameters
370 InitClusterUnfolding();
372 for (i = 0; i < 8; i++) {
373 AliDebug(1,Form("unfolding shower shape parameters: fSSPars=%f \n",fSSPars[i]));
375 for (i = 0; i < 3; i++) {
376 AliDebug(1,Form("unfolding parameter 5: fPar5=%f \n",fPar5[i]));
377 AliDebug(1,Form("unfolding parameter 6: fPar6=%f \n",fPar6[i]));
382 //____________________________________________________________________________
383 void AliEMCALClusterizer::Print(Option_t * /*option*/)const
385 // Print clusterizer parameters
387 TString message("\n") ;
389 if (strcmp(GetName(),"") == 0) {
390 printf("AliEMCALClusterizer not initialized\n");
395 TString taskName(Version()) ;
397 printf("--------------- ");
398 printf("%s",taskName.Data()) ;
400 printf("Clusterizing digits: ");
401 printf("\n ECA Local Maximum cut = %f", fECALocMaxCut);
402 printf("\n ECA Logarithmic weight = %f", fECAW0);
404 printf("\nUnfolding on\n");
405 printf("Unfolding parameters: fSSpars: \n");
407 for (i = 0; i < 8; i++) {
408 printf("fSSPars[%d] = %f \n", i, fSSPars[i]);
410 printf("Unfolding parameter 5 and 6: fPar5 and fPar6: \n");
411 for (i = 0; i < 3; i++) {
412 printf("fPar5[%d] = %f \n", i, fPar5[i]);
413 printf("fPar6[%d] = %f \n", i, fPar6[i]);
417 printf("\nUnfolding off\n");
419 printf("------------------------------------------------------------------");
422 //____________________________________________________________________________
423 void AliEMCALClusterizer::PrintRecPoints(Option_t * option)
425 // Prints list of RecPoints produced at the current pass of AliEMCALClusterizer
427 if (strstr(option,"deb")) {
428 printf("PrintRecPoints: Clusterization result:") ;
429 printf(" Found %d ECA Rec Points\n ",
430 fRecPoints->GetEntriesFast()) ;
433 if (strstr(option,"all")) {
434 if (strstr(option,"deb")) {
435 printf("\n-----------------------------------------------------------------------\n") ;
436 printf("Clusters in ECAL section\n") ;
437 printf("Index Ene(GeV) Multi Module GX GY GZ lX lY lZ Dispersion Lambda 1 Lambda 2 # of prim Primaries list\n") ;
440 for (index = 0 ; index < fRecPoints->GetEntries() ; index++) {
441 AliEMCALRecPoint * rp = dynamic_cast<AliEMCALRecPoint * >(fRecPoints->At(index)) ;
446 //rp->GetGlobalPosition(globalpos);
448 rp->GetLocalPosition(localpos);
450 rp->GetElipsAxis(lambda);
453 Int_t * primaries = rp->GetPrimaries(nprimaries);
454 if(strstr(option,"deb"))
455 printf("\n%6d %8.4f %3d %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4f %4f %2d : ",
456 rp->GetIndexInList(), rp->GetEnergy(), rp->GetMultiplicity(),
457 globalpos.X(), globalpos.Y(), globalpos.Z(), localpos.X(), localpos.Y(), localpos.Z(),
458 rp->GetDispersion(), lambda[0], lambda[1], nprimaries) ;
459 if(strstr(option,"deb")){
460 for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) {
461 printf("%d ", primaries[iprimary] ) ;
466 if(strstr(option,"deb"))
467 printf("\n-----------------------------------------------------------------------\n");
471 //___________________________________________________________________
472 void AliEMCALClusterizer::PrintRecoInfo()
474 // Print reco version
476 printf(" AliEMCALClusterizer::PrintRecoInfo() : version %s \n", Version() );
479 //____________________________________________________________________________
480 void AliEMCALClusterizer::SetInput(TTree *digitsTree)
482 // Read the digits from the input tree
484 TBranch *branch = digitsTree->GetBranch("EMCAL");
486 AliError("can't get the branch with the EMCAL digits !");
490 fDigitsArr = new TClonesArray("AliEMCALDigit",100);
491 branch->SetAddress(&fDigitsArr);
495 //____________________________________________________________________________
496 void AliEMCALClusterizer::SetOutput(TTree *clustersTree)
498 // Read the digits from the input tree
500 AliDebug(9, "Making array for EMCAL clusters");
501 fRecPoints = new TObjArray(1000);
503 fTreeR = clustersTree;
505 Int_t bufsize = 32000;
506 fTreeR->Branch("EMCALECARP", "TObjArray", &fRecPoints, bufsize, split);
510 //___________________________________________________________________
511 void AliEMCALClusterizer::SetInputCalibrated(Bool_t val)
513 // Flag to indicate that input is calibrated - the case when we run already on ESD
515 fIsInputCalibrated = val;
518 //___________________________________________________________________
519 void AliEMCALClusterizer::SetJustClusters(Bool_t val)
521 // Flag to indicate that we are running on ESDs, when calling
522 // rp->EvalAll(fECAW0,fDigitsArr,fJustClusters); in derived classes