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 **************************************************************************/
19 #include <TClonesArray.h>
20 #include <TGeoManager.h>
21 #include <TObjArray.h>
24 #include "AliAODCaloCluster.h"
25 #include "AliAODEvent.h"
26 #include "AliAnalysisManager.h"
27 #include "AliCDBEntry.h"
28 #include "AliCDBManager.h"
29 #include "AliCaloCalibPedestal.h"
30 #include "AliEMCALAfterBurnerUF.h"
31 #include "AliEMCALCalibData.h"
32 #include "AliEMCALClusterizerNxN.h"
33 #include "AliEMCALClusterizerv1.h"
34 #include "AliEMCALClusterizerv2.h"
35 #include "AliEMCALDigit.h"
36 #include "AliEMCALGeometry.h"
37 #include "AliEMCALRecParam.h"
38 #include "AliEMCALRecPoint.h"
39 #include "AliEMCALRecoUtils.h"
40 #include "AliESDEvent.h"
41 #include "AliInputEventHandler.h"
44 #include "AliAnalysisTaskEMCALClusterizeFast.h"
46 ClassImp(AliAnalysisTaskEMCALClusterizeFast)
48 //________________________________________________________________________
49 AliAnalysisTaskEMCALClusterizeFast::AliAnalysisTaskEMCALClusterizeFast()
50 : AliAnalysisTaskSE(),
59 fGeomMatrixSet(kFALSE),
60 fLoadGeomMatrices(kFALSE),
76 //________________________________________________________________________
77 AliAnalysisTaskEMCALClusterizeFast::AliAnalysisTaskEMCALClusterizeFast(const char *name)
78 : AliAnalysisTaskSE(name),
82 fRecParam(new AliEMCALRecParam),
86 fGeomName("EMCAL_FIRSTYEARV1"),
87 fGeomMatrixSet(kFALSE),
88 fLoadGeomMatrices(kFALSE),
103 fBranchNames = "ESD:AliESDHeader.,AliESDRun.,EMCALCells. AOD:header,emcalCells";
104 for(Int_t i = 0; i < 12; ++i)
108 //________________________________________________________________________
109 AliAnalysisTaskEMCALClusterizeFast::~AliAnalysisTaskEMCALClusterizeFast()
119 //-------------------------------------------------------------------
120 void AliAnalysisTaskEMCALClusterizeFast::UserCreateOutputObjects()
122 // Create output objects.
124 if (!fOutputAODBrName.IsNull()) {
125 fOutputAODBranch = new TClonesArray("AliAODCaloCluster", 0);
126 fOutputAODBranch->SetName(fOutputAODBrName);
127 AddAODBranch("TClonesArray", &fOutputAODBranch);
128 AliInfo(Form("Created Branch: %s",fOutputAODBrName.Data()));
132 //________________________________________________________________________
133 void AliAnalysisTaskEMCALClusterizeFast::UserExec(Option_t *)
135 // Main loop, called for each event
137 // remove the contents of output list set in the previous event
138 if (fOutputAODBranch)
139 fOutputAODBranch->Clear("C");
141 AliESDEvent *esdevent = dynamic_cast<AliESDEvent*>(InputEvent());
142 AliAODEvent *aodevent = dynamic_cast<AliAODEvent*>(InputEvent());
144 if (!esdevent&&!aodevent) {
145 Error("UserExec","Event not available");
151 UInt_t offtrigger = 0;
153 UInt_t mask = esdevent->GetESDRun()->GetDetectorsInReco();
154 if ((mask >> 18) & 0x1 == 0) { //AliDAQ::OfflineModuleName(180=="EMCAL"
155 AliError(Form("EMCAL not reconstructed: %u (%u)", mask, esdevent->GetESDRun()->GetDetectorsInDAQ()));
158 AliAnalysisManager *am = AliAnalysisManager::GetAnalysisManager();
159 offtrigger = ((AliInputEventHandler*)(am->GetInputEventHandler()))->IsEventSelected();
160 } else if (aodevent) {
161 offtrigger = aodevent->GetHeader()->GetOfflineTrigger();
163 if (offtrigger & AliVEvent::kFastOnly) {
164 AliWarning(Form("EMCAL not in fast only partition"));
171 AliWarning("Unfolding not implemented");
179 return; // not requested to run clusterizer
186 if (fOutputAODBranch)
187 RecPoints2Clusters(fOutputAODBranch);
190 //________________________________________________________________________
191 void AliAnalysisTaskEMCALClusterizeFast::Clusterize()
195 if (fSubBackground) {
196 fClusterizer->SetInputCalibrated(kTRUE);
197 fClusterizer->SetCalibrationParameters(0);
199 fClusterizer->Digits2Clusters("");
200 if (fSubBackground) {
202 fClusterizer->SetInputCalibrated(kFALSE);
203 fClusterizer->SetCalibrationParameters(fCalibData);
208 //________________________________________________________________________
209 void AliAnalysisTaskEMCALClusterizeFast::FillDigitsArray()
211 // Fill digits from cells.
213 fDigitsArr->Clear("C");
214 AliVCaloCells *cells = InputEvent()->GetEMCALCells();
215 Double_t avgE = 0; // for background subtraction
216 Int_t ncells = cells->GetNumberOfCells();
217 for (Int_t icell = 0, idigit = 0; icell < ncells; ++icell) {
218 Double_t cellAmplitude=0, cellTime=0;
219 Short_t cellNumber=0;
220 if (cells->GetCell(icell, cellNumber, cellAmplitude, cellTime) != kTRUE)
222 AliEMCALDigit *digit = static_cast<AliEMCALDigit*>(fDigitsArr->New(idigit));
223 digit->SetId(cellNumber);
224 digit->SetTime(cellTime);
225 digit->SetTimeR(cellTime);
226 digit->SetIndexInList(idigit);
227 digit->SetType(AliEMCALDigit::kHG);
228 if (fRecalibOnly||fSubBackground) {
229 Double_t energy = fClusterizer->Calibrate(cellAmplitude,cellTime,cellNumber);
230 digit->SetAmplitude(energy);
233 digit->SetAmplitude(cellAmplitude);
238 if (fSubBackground) {
239 avgE /= AliEMCALGeometry::GetInstance(fGeomName)->GetNumberOfSuperModules()*48*24;
240 Int_t ndigis = fDigitsArr->GetEntries();
241 for (Int_t i = 0; i < ndigis; ++i) {
242 AliEMCALDigit *digit = static_cast<AliEMCALDigit*>(fDigitsArr->At(i));
243 Double_t energy = digit->GetAmplitude() - avgE;
245 //fDigitsArr->RemoveAt(i);
246 digit->SetAmplitude(0);
248 digit->SetAmplitude(energy);
252 fDigitsArr->Compress();
256 //________________________________________________________________________________________
257 void AliAnalysisTaskEMCALClusterizeFast::RecPoints2Clusters(TClonesArray *clus)
259 // Cluster energy, global position, cells and their amplitude fractions are restored.
261 Bool_t esdobjects = 0;
262 if (strcmp(clus->GetClass()->GetName(),"AliESDCaloCluster")==0)
265 Int_t Ncls = fClusterArr->GetEntriesFast();
266 for(Int_t i=0, nout=clus->GetEntries(); i < Ncls; ++i) {
267 AliEMCALRecPoint *recpoint = static_cast<AliEMCALRecPoint*>(fClusterArr->At(i));
268 Int_t ncells_true = 0;
269 const Int_t ncells = recpoint->GetMultiplicity();
270 UShort_t absIds[ncells];
271 Double32_t ratios[ncells];
272 Int_t *dlist = recpoint->GetDigitsList();
273 Float_t *elist = recpoint->GetEnergiesList();
274 for (Int_t c = 0; c < ncells; ++c) {
275 AliEMCALDigit *digit = static_cast<AliEMCALDigit*>(fDigitsArr->At(dlist[c]));
276 absIds[ncells_true] = digit->GetId();
277 ratios[ncells_true] = elist[c]/digit->GetAmplitude();
278 if (ratios[ncells_true] < 0.001)
283 if (ncells_true < 1) {
284 AliWarning("Skipping cluster with no cells");
288 // calculate new cluster position
290 recpoint->GetGlobalPosition(gpos);
294 AliVCluster *c = static_cast<AliVCluster*>(clus->New(nout++));
295 c->SetType(AliVCluster::kEMCALClusterv1);
296 c->SetE(recpoint->GetEnergy());
298 c->SetNCells(ncells_true);
299 c->SetDispersion(recpoint->GetDispersion());
300 c->SetEmcCpvDistance(-1); //not yet implemented
301 c->SetChi2(-1); //not yet implemented
302 c->SetTOF(recpoint->GetTime()) ; //time-of-flight
303 c->SetNExMax(recpoint->GetNExMax()); //number of local maxima
305 recpoint->GetElipsAxis(elipAxis);
306 c->SetM02(elipAxis[0]*elipAxis[0]) ;
307 c->SetM20(elipAxis[1]*elipAxis[1]) ;
308 c->SetDistanceToBadChannel(recpoint->GetDistanceToBadTower());
310 AliESDCaloCluster *cesd = static_cast<AliESDCaloCluster*>(c);
311 cesd->SetCellsAbsId(absIds);
312 cesd->SetCellsAmplitudeFraction(ratios);
314 AliAODCaloCluster *caod = static_cast<AliAODCaloCluster*>(c);
315 caod->SetCellsAbsId(absIds);
316 caod->SetCellsAmplitudeFraction(ratios);
320 AliESDEvent *esdevent = dynamic_cast<AliESDEvent*>(InputEvent());
326 AliAnalysisManager::GetAnalysisManager()->LoadBranch("Tracks");
327 fRecoUtils->FindMatches(esdevent,clus);
330 Int_t Nclus = clus->GetEntries();
331 for(Int_t i=0; i < Nclus; ++i) {
332 AliAODCaloCluster *c = static_cast<AliAODCaloCluster*>(clus->At(i));
333 Int_t trackIndex = fRecoUtils->GetMatchedTrackIndex(i);
334 if(trackIndex >= 0) {
336 fRecoUtils->GetMatchedResiduals(i,dR, dZ);
337 c->AddTrackMatched(0x0); //esdevent->GetTrack(trackIndex));
338 c->SetTrackDistance(dR,dZ); // not implemented
339 c->SetEmcCpvDistance(dR);
342 AliInfo(Form("Matched Track index %d to new cluster %d\n",trackIndex,i));
346 Int_t Nclus = clus->GetEntries();
347 for(Int_t i=0; i < Nclus; ++i) {
348 AliESDCaloCluster *c = static_cast<AliESDCaloCluster*>(clus->At(i));
349 Int_t trackIndex = fRecoUtils->GetMatchedTrackIndex(i);
350 if(trackIndex >= 0) {
352 fRecoUtils->GetMatchedResiduals(i,dR, dZ);
353 c->SetTrackDistance(dR,dZ);
354 c->SetEmcCpvDistance(dR); //to be consistent with AODs
355 c->SetChi2(dZ); //to be consistent with AODs
356 TArrayI tm(1,&trackIndex);
357 c->AddTracksMatched(tm);
359 AliInfo(Form("Matched Track index %d to new cluster %d\n",trackIndex,i));
365 //________________________________________________________________________
366 void AliAnalysisTaskEMCALClusterizeFast::UpdateCells()
368 // Update cells in case re-calibration was done.
370 if (!fCalibData&&!fSubBackground)
373 AliVCaloCells *cells = InputEvent()->GetEMCALCells();
374 Int_t ncells = cells->GetNumberOfCells();
375 Int_t ndigis = fDigitsArr->GetEntries();
377 if (ncells!=ndigis) {
378 cells->DeleteContainer();
379 cells->CreateContainer(ndigis);
381 for (Int_t idigit = 0; idigit < ndigis; ++idigit) {
382 AliEMCALDigit *digit = static_cast<AliEMCALDigit*>(fDigitsArr->At(idigit));
383 Double_t cellAmplitude = digit->GetCalibAmp();
384 Short_t cellNumber = digit->GetId();
385 Double_t cellTime = digit->GetTime();
386 cells->SetCell(idigit, cellNumber, cellAmplitude, cellTime);
390 //________________________________________________________________________
391 void AliAnalysisTaskEMCALClusterizeFast::UpdateClusters()
393 // Update cells in case re-calibration was done.
395 if (!fAttachClusters)
398 TClonesArray *clus = dynamic_cast<TClonesArray*>(InputEvent()->FindListObject("caloClusters"));
400 clus = dynamic_cast<TClonesArray*>(InputEvent()->FindListObject("CaloClusters"));
404 Int_t nents = clus->GetEntries();
405 for (Int_t i=0;i<nents;++i) {
406 AliVCluster *c = static_cast<AliVCluster*>(clus->At(i));
413 RecPoints2Clusters(clus);
416 //________________________________________________________________________________________
417 void AliAnalysisTaskEMCALClusterizeFast::Init()
419 //Select clusterization/unfolding algorithm and set all the needed parameters
421 AliVEvent * event = InputEvent();
423 AliWarning("Event not available!!!");
427 if (event->GetRunNumber()==fRun)
429 fRun = event->GetRunNumber();
432 // init the unfolding afterburner
434 fUnfolder = new AliEMCALAfterBurnerUF(fRecParam->GetW0(),fRecParam->GetLocMaxCut());
438 AliEMCALGeometry *geometry = AliEMCALGeometry::GetInstance(fGeomName);
440 AliFatal("Geometry not available!!!");
444 if (!fGeomMatrixSet) {
445 if (fLoadGeomMatrices) {
446 for(Int_t mod=0; mod < geometry->GetNumberOfSuperModules(); ++mod) {
447 if(fGeomMatrix[mod]){
449 fGeomMatrix[mod]->Print();
450 geometry->SetMisalMatrix(fGeomMatrix[mod],mod);
453 } else { // get matrix from file (work around bug in aliroot)
454 for(Int_t mod=0; mod < geometry->GetEMCGeometry()->GetNumberOfSuperModules(); ++mod) {
455 const TGeoHMatrix *gm = 0;
456 AliESDEvent *esdevent = dynamic_cast<AliESDEvent*>(event);
458 gm = esdevent->GetEMCALMatrix(mod);
460 AliAODHeader *aodheader = dynamic_cast<AliAODHeader*>(event->GetHeader());
462 gm = aodheader->GetEMCALMatrix(mod);
468 geometry->SetMisalMatrix(gm,mod);
472 fGeomMatrixSet=kTRUE;
475 // setup digit array if needed
477 fDigitsArr = new TClonesArray("AliEMCALDigit", 1000);
478 fDigitsArr->SetOwner(1);
481 // then setup clusterizer
483 if (fRecParam->GetClusterizerFlag() == AliEMCALRecParam::kClusterizerv1)
484 fClusterizer = new AliEMCALClusterizerv1(geometry);
485 else if(fRecParam->GetClusterizerFlag() == AliEMCALRecParam::kClusterizerNxN)
486 fClusterizer = new AliEMCALClusterizerNxN(geometry);
487 else if(fRecParam->GetClusterizerFlag() == AliEMCALRecParam::kClusterizerv2)
488 fClusterizer = new AliEMCALClusterizerv2(geometry);
489 else if(fRecParam->GetClusterizerFlag() > AliEMCALRecParam::kClusterizerNxN) {
490 AliEMCALClusterizerNxN *clusterizer = new AliEMCALClusterizerNxN(geometry);
491 clusterizer->SetNRowDiff(2);
492 clusterizer->SetNColDiff(2);
493 fClusterizer = clusterizer;
495 AliFatal(Form("Clusterizer < %d > not available", fRecParam->GetClusterizerFlag()));
497 fClusterizer->InitParameters(fRecParam);
499 if ((!fCalibData&&fLoadCalib) || (!fPedestalData&&fLoadPed)) {
500 AliCDBManager *cdb = AliCDBManager::Instance();
501 if (!cdb->IsDefaultStorageSet() && !fOCDBpath.IsNull())
502 cdb->SetDefaultStorage(fOCDBpath);
503 if (fRun!=cdb->GetRun())
506 if (!fCalibData&&fLoadCalib) {
507 AliCDBEntry *entry = static_cast<AliCDBEntry*>(AliCDBManager::Instance()->Get("EMCAL/Calib/Data"));
509 fCalibData = static_cast<AliEMCALCalibData*>(entry->GetObject());
511 AliFatal("Calibration parameters not found in CDB!");
513 if (!fPedestalData&&fLoadPed) {
514 AliCDBEntry *entry = static_cast<AliCDBEntry*>(AliCDBManager::Instance()->Get("EMCAL/Calib/Pedestals"));
516 fPedestalData = static_cast<AliCaloCalibPedestal*>(entry->GetObject());
519 fClusterizer->SetInputCalibrated(kFALSE);
520 fClusterizer->SetCalibrationParameters(fCalibData);
522 fClusterizer->SetInputCalibrated(kTRUE);
524 fClusterizer->SetCaloCalibPedestal(fPedestalData);
525 fClusterizer->SetJustClusters(kTRUE);
526 fClusterizer->SetDigitsArr(fDigitsArr);
527 fClusterizer->SetOutput(0);
528 fClusterArr = const_cast<TObjArray *>(fClusterizer->GetRecPoints());