Initialisation corrected.
[u/mrichter/AliRoot.git] / PWG4 / CaloCalib / AliAnalysisTaskEMCALClusterizeFast.cxx
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2f7259cf 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
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 **************************************************************************/
15
16/* $Id$ */
17
18// --- Root ---
19#include <TClonesArray.h>
20#include <TGeoManager.h>
21#include <TObjArray.h>
22#include <TString.h>
23#include <TTree.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"
3786256f 34#include "AliEMCALClusterizerv2.h"
2f7259cf 35#include "AliEMCALDigit.h"
36#include "AliEMCALGeometry.h"
37#include "AliEMCALRecParam.h"
38#include "AliEMCALRecPoint.h"
39#include "AliEMCALRecoUtils.h"
40#include "AliESDEvent.h"
6b7ed7bd 41#include "AliInputEventHandler.h"
2f7259cf 42#include "AliLog.h"
43
44#include "AliAnalysisTaskEMCALClusterizeFast.h"
45
46ClassImp(AliAnalysisTaskEMCALClusterizeFast)
47
48//________________________________________________________________________
2431b20f 49AliAnalysisTaskEMCALClusterizeFast::AliAnalysisTaskEMCALClusterizeFast()
50 : AliAnalysisTaskSE(),
51 fRun(0),
52 fDigitsArr(0),
53 fClusterArr(0),
54 fRecParam(0),
55 fClusterizer(0),
56 fUnfolder(0),
57 fJustUnfold(kFALSE),
58 fGeomName(),
59 fGeomMatrixSet(kFALSE),
60 fLoadGeomMatrices(kFALSE),
61 fOCDBpath(),
62 fCalibData(0),
63 fPedestalData(0),
64 fOutputAODBranch(0),
65 fOutputAODBrName(),
66 fRecoUtils(0),
67 fLoadCalib(0),
4cf9204b 68 fLoadPed(0),
b0e354fe 69 fAttachClusters(0),
95f69c66 70 fRecalibOnly(0),
71 fSubBackground(0)
2431b20f 72{
73 // Constructor
74}
75
76//________________________________________________________________________
2f7259cf 77AliAnalysisTaskEMCALClusterizeFast::AliAnalysisTaskEMCALClusterizeFast(const char *name)
78 : AliAnalysisTaskSE(name),
79 fRun(0),
80 fDigitsArr(0),
81 fClusterArr(0),
82 fRecParam(new AliEMCALRecParam),
83 fClusterizer(0),
84 fUnfolder(0),
85 fJustUnfold(kFALSE),
86 fGeomName("EMCAL_FIRSTYEARV1"),
87 fGeomMatrixSet(kFALSE),
88 fLoadGeomMatrices(kFALSE),
89 fOCDBpath(),
90 fCalibData(0),
91 fPedestalData(0),
92 fOutputAODBranch(0),
93 fOutputAODBrName(),
10d33986 94 fRecoUtils(0),
95 fLoadCalib(0),
4cf9204b 96 fLoadPed(0),
b0e354fe 97 fAttachClusters(0),
95f69c66 98 fRecalibOnly(0),
99 fSubBackground(0)
2f7259cf 100{
101 // Constructor
102
01bc1ce8 103 fBranchNames = "ESD:AliESDHeader.,AliESDRun.,EMCALCells. AOD:header,emcalCells";
95f69c66 104 for(Int_t i = 0; i < 12; ++i)
2f7259cf 105 fGeomMatrix[i] = 0;
106}
107
108//________________________________________________________________________
109AliAnalysisTaskEMCALClusterizeFast::~AliAnalysisTaskEMCALClusterizeFast()
110{
111 // Destructor.
112
113 delete fDigitsArr;
114 delete fClusterizer;
115 delete fUnfolder;
116 delete fRecoUtils;
117}
118
119//-------------------------------------------------------------------
120void AliAnalysisTaskEMCALClusterizeFast::UserCreateOutputObjects()
121{
122 // Create output objects.
123
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()));
129 }
130}
131
132//________________________________________________________________________
133void AliAnalysisTaskEMCALClusterizeFast::UserExec(Option_t *)
134{
135 // Main loop, called for each event
136
137 // remove the contents of output list set in the previous event
138 if (fOutputAODBranch)
139 fOutputAODBranch->Clear("C");
140
141 AliESDEvent *esdevent = dynamic_cast<AliESDEvent*>(InputEvent());
142 AliAODEvent *aodevent = dynamic_cast<AliAODEvent*>(InputEvent());
143
144 if (!esdevent&&!aodevent) {
145 Error("UserExec","Event not available");
146 return;
147 }
148
149 LoadBranches();
6b7ed7bd 150
151 UInt_t offtrigger = 0;
152 if (esdevent) {
9809ed8c 153 UInt_t mask1 = esdevent->GetESDRun()->GetDetectorsInDAQ();
154 UInt_t mask2 = esdevent->GetESDRun()->GetDetectorsInReco();
155 Bool_t desc1 = (mask1 >> 18) & 0x1;
156 Bool_t desc2 = (mask2 >> 18) & 0x1;
157 if (desc1==0 || desc2==0) { //AliDAQ::OfflineModuleName(180=="EMCAL"
158 AliError(Form("EMCAL not in DAQ/RECO: %u (%u)/%u (%u)",
159 mask1, esdevent->GetESDRun()->GetDetectorsInReco(),
160 mask2, esdevent->GetESDRun()->GetDetectorsInDAQ()));
6b7ed7bd 161 return;
162 }
163 AliAnalysisManager *am = AliAnalysisManager::GetAnalysisManager();
164 offtrigger = ((AliInputEventHandler*)(am->GetInputEventHandler()))->IsEventSelected();
165 } else if (aodevent) {
166 offtrigger = aodevent->GetHeader()->GetOfflineTrigger();
167 }
168 if (offtrigger & AliVEvent::kFastOnly) {
169 AliWarning(Form("EMCAL not in fast only partition"));
170 return;
171 }
2f7259cf 172
173 Init();
174
175 if (fJustUnfold) {
176 AliWarning("Unfolding not implemented");
84ccad86 177 return;
178 }
179
95f69c66 180 FillDigitsArray();
84ccad86 181
95f69c66 182 if (fRecalibOnly) {
183 UpdateCells();
184 return; // not requested to run clusterizer
84ccad86 185 }
7099ec08 186
95f69c66 187 Clusterize();
188 UpdateCells();
189 UpdateClusters();
2431b20f 190
95f69c66 191 if (fOutputAODBranch)
192 RecPoints2Clusters(fOutputAODBranch);
2431b20f 193}
194
195//________________________________________________________________________
95f69c66 196void AliAnalysisTaskEMCALClusterizeFast::Clusterize()
2431b20f 197{
95f69c66 198 // Clusterize
7099ec08 199
95f69c66 200 if (fSubBackground) {
201 fClusterizer->SetInputCalibrated(kTRUE);
202 fClusterizer->SetCalibrationParameters(0);
2f7259cf 203 }
95f69c66 204 fClusterizer->Digits2Clusters("");
205 if (fSubBackground) {
4889ed8b 206 if (fCalibData) {
207 fClusterizer->SetInputCalibrated(kFALSE);
208 fClusterizer->SetCalibrationParameters(fCalibData);
209 }
4cf9204b 210 }
4cf9204b 211}
212
213//________________________________________________________________________
95f69c66 214void AliAnalysisTaskEMCALClusterizeFast::FillDigitsArray()
2f7259cf 215{
216 // Fill digits from cells.
217
218 fDigitsArr->Clear("C");
95f69c66 219 AliVCaloCells *cells = InputEvent()->GetEMCALCells();
220 Double_t avgE = 0; // for background subtraction
2f7259cf 221 Int_t ncells = cells->GetNumberOfCells();
2f7259cf 222 for (Int_t icell = 0, idigit = 0; icell < ncells; ++icell) {
223 Double_t cellAmplitude=0, cellTime=0;
224 Short_t cellNumber=0;
225 if (cells->GetCell(icell, cellNumber, cellAmplitude, cellTime) != kTRUE)
226 break;
95f69c66 227 AliEMCALDigit *digit = static_cast<AliEMCALDigit*>(fDigitsArr->New(idigit));
2f7259cf 228 digit->SetId(cellNumber);
2f7259cf 229 digit->SetTime(cellTime);
230 digit->SetTimeR(cellTime);
231 digit->SetIndexInList(idigit);
232 digit->SetType(AliEMCALDigit::kHG);
95f69c66 233 if (fRecalibOnly||fSubBackground) {
b0e354fe 234 Double_t energy = fClusterizer->Calibrate(cellAmplitude,cellTime,cellNumber);
95f69c66 235 digit->SetAmplitude(energy);
236 avgE += energy;
237 } else {
238 digit->SetAmplitude(cellAmplitude);
b0e354fe 239 }
2f7259cf 240 idigit++;
241 }
2f7259cf 242
95f69c66 243 if (fSubBackground) {
244 avgE /= AliEMCALGeometry::GetInstance(fGeomName)->GetNumberOfSuperModules()*48*24;
245 Int_t ndigis = fDigitsArr->GetEntries();
246 for (Int_t i = 0; i < ndigis; ++i) {
247 AliEMCALDigit *digit = static_cast<AliEMCALDigit*>(fDigitsArr->At(i));
248 Double_t energy = digit->GetAmplitude() - avgE;
249 if (energy<=0.001) {
250 //fDigitsArr->RemoveAt(i);
251 digit->SetAmplitude(0);
252 } else {
253 digit->SetAmplitude(energy);
254 }
b0e354fe 255 }
2f7259cf 256 }
95f69c66 257 fDigitsArr->Compress();
84ccad86 258 fDigitsArr->Sort();
2f7259cf 259}
260
261//________________________________________________________________________________________
95f69c66 262void AliAnalysisTaskEMCALClusterizeFast::RecPoints2Clusters(TClonesArray *clus)
4cf9204b 263{
264 // Cluster energy, global position, cells and their amplitude fractions are restored.
265
95f69c66 266 Bool_t esdobjects = 0;
267 if (strcmp(clus->GetClass()->GetName(),"AliESDCaloCluster")==0)
268 esdobjects = 1;
269
b98487bc 270 AliVCaloCells *cells = InputEvent()->GetEMCALCells();
271 AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance(fGeomName);
272
4cf9204b 273 Int_t Ncls = fClusterArr->GetEntriesFast();
274 for(Int_t i=0, nout=clus->GetEntries(); i < Ncls; ++i) {
275 AliEMCALRecPoint *recpoint = static_cast<AliEMCALRecPoint*>(fClusterArr->At(i));
276 Int_t ncells_true = 0;
277 const Int_t ncells = recpoint->GetMultiplicity();
278 UShort_t absIds[ncells];
279 Double32_t ratios[ncells];
280 Int_t *dlist = recpoint->GetDigitsList();
281 Float_t *elist = recpoint->GetEnergiesList();
282 for (Int_t c = 0; c < ncells; ++c) {
283 AliEMCALDigit *digit = static_cast<AliEMCALDigit*>(fDigitsArr->At(dlist[c]));
284 absIds[ncells_true] = digit->GetId();
285 ratios[ncells_true] = elist[c]/digit->GetAmplitude();
84ccad86 286 if (ratios[ncells_true] < 0.001)
287 continue;
288 ++ncells_true;
4cf9204b 289 }
290
291 if (ncells_true < 1) {
292 AliWarning("Skipping cluster with no cells");
293 continue;
294 }
295
296 // calculate new cluster position
297 TVector3 gpos;
4cf9204b 298 recpoint->GetGlobalPosition(gpos);
84ccad86 299 Float_t g[3];
4cf9204b 300 gpos.GetXYZ(g);
301
95f69c66 302 AliVCluster *c = static_cast<AliVCluster*>(clus->New(nout++));
4cf9204b 303 c->SetType(AliVCluster::kEMCALClusterv1);
304 c->SetE(recpoint->GetEnergy());
305 c->SetPosition(g);
306 c->SetNCells(ncells_true);
4cf9204b 307 c->SetDispersion(recpoint->GetDispersion());
84ccad86 308 c->SetEmcCpvDistance(-1); //not yet implemented
4cf9204b 309 c->SetChi2(-1); //not yet implemented
310 c->SetTOF(recpoint->GetTime()) ; //time-of-flight
311 c->SetNExMax(recpoint->GetNExMax()); //number of local maxima
312 Float_t elipAxis[2];
313 recpoint->GetElipsAxis(elipAxis);
314 c->SetM02(elipAxis[0]*elipAxis[0]) ;
315 c->SetM20(elipAxis[1]*elipAxis[1]) ;
b98487bc 316 if (fRecoUtils && fRecoUtils->IsBadChannelsRemovalSwitchedOn()) {
317 fRecoUtils->RecalculateClusterDistanceToBadChannel(geom, cells, c);
318 } else {
319 if (fPedestalData)
320 recpoint->EvalDistanceToBadChannels(fPedestalData);
321 c->SetDistanceToBadChannel(recpoint->GetDistanceToBadTower());
322 }
323
95f69c66 324 if (esdobjects) {
325 AliESDCaloCluster *cesd = static_cast<AliESDCaloCluster*>(c);
326 cesd->SetCellsAbsId(absIds);
327 cesd->SetCellsAmplitudeFraction(ratios);
328 } else {
329 AliAODCaloCluster *caod = static_cast<AliAODCaloCluster*>(c);
330 caod->SetCellsAbsId(absIds);
331 caod->SetCellsAmplitudeFraction(ratios);
332 }
84ccad86 333 }
334
335 AliESDEvent *esdevent = dynamic_cast<AliESDEvent*>(InputEvent());
336 if (!esdevent)
337 return;
338 if (!fRecoUtils)
339 return;
340
95f69c66 341 AliAnalysisManager::GetAnalysisManager()->LoadBranch("Tracks");
84ccad86 342 fRecoUtils->FindMatches(esdevent,clus);
343
95f69c66 344 if (!esdobjects) {
345 Int_t Nclus = clus->GetEntries();
346 for(Int_t i=0; i < Nclus; ++i) {
347 AliAODCaloCluster *c = static_cast<AliAODCaloCluster*>(clus->At(i));
348 Int_t trackIndex = fRecoUtils->GetMatchedTrackIndex(i);
349 if(trackIndex >= 0) {
350 Float_t dR, dZ;
351 fRecoUtils->GetMatchedResiduals(i,dR, dZ);
352 c->AddTrackMatched(0x0); //esdevent->GetTrack(trackIndex));
353 c->SetTrackDistance(dR,dZ); // not implemented
354 c->SetEmcCpvDistance(dR);
355 c->SetChi2(dZ);
356 if(DebugLevel() > 1)
357 AliInfo(Form("Matched Track index %d to new cluster %d\n",trackIndex,i));
358 }
2f7259cf 359 }
95f69c66 360 } else {
84ccad86 361 Int_t Nclus = clus->GetEntries();
362 for(Int_t i=0; i < Nclus; ++i) {
363 AliESDCaloCluster *c = static_cast<AliESDCaloCluster*>(clus->At(i));
2f7259cf 364 Int_t trackIndex = fRecoUtils->GetMatchedTrackIndex(i);
365 if(trackIndex >= 0) {
84ccad86 366 Float_t dR, dZ;
367 fRecoUtils->GetMatchedResiduals(i,dR, dZ);
368 c->SetTrackDistance(dR,dZ);
369 c->SetEmcCpvDistance(dR); //to be consistent with AODs
370 c->SetChi2(dZ); //to be consistent with AODs
4cf9204b 371 TArrayI tm(1,&trackIndex);
372 c->AddTracksMatched(tm);
2f7259cf 373 if(DebugLevel() > 1)
374 AliInfo(Form("Matched Track index %d to new cluster %d\n",trackIndex,i));
375 }
376 }
377 }
378}
379
95f69c66 380//________________________________________________________________________
381void AliAnalysisTaskEMCALClusterizeFast::UpdateCells()
382{
383 // Update cells in case re-calibration was done.
384
385 if (!fCalibData&&!fSubBackground)
386 return;
387
388 AliVCaloCells *cells = InputEvent()->GetEMCALCells();
389 Int_t ncells = cells->GetNumberOfCells();
390 Int_t ndigis = fDigitsArr->GetEntries();
391
392 if (ncells!=ndigis) {
393 cells->DeleteContainer();
394 cells->CreateContainer(ndigis);
395 }
396 for (Int_t idigit = 0; idigit < ndigis; ++idigit) {
397 AliEMCALDigit *digit = static_cast<AliEMCALDigit*>(fDigitsArr->At(idigit));
398 Double_t cellAmplitude = digit->GetCalibAmp();
399 Short_t cellNumber = digit->GetId();
400 Double_t cellTime = digit->GetTime();
401 cells->SetCell(idigit, cellNumber, cellAmplitude, cellTime);
402 }
403}
404
405//________________________________________________________________________
406void AliAnalysisTaskEMCALClusterizeFast::UpdateClusters()
407{
408 // Update cells in case re-calibration was done.
409
410 if (!fAttachClusters)
411 return;
412
413 TClonesArray *clus = dynamic_cast<TClonesArray*>(InputEvent()->FindListObject("caloClusters"));
414 if (!clus)
415 clus = dynamic_cast<TClonesArray*>(InputEvent()->FindListObject("CaloClusters"));
416 if(!clus)
417 return;
418
419 Int_t nents = clus->GetEntries();
420 for (Int_t i=0;i<nents;++i) {
421 AliVCluster *c = static_cast<AliVCluster*>(clus->At(i));
422 if (!c)
423 continue;
424 if (c->IsEMCAL())
425 clus->RemoveAt(i);
426 }
427 clus->Compress();
428 RecPoints2Clusters(clus);
429}
430
2f7259cf 431//________________________________________________________________________________________
432void AliAnalysisTaskEMCALClusterizeFast::Init()
433{
434 //Select clusterization/unfolding algorithm and set all the needed parameters
01bc1ce8 435
2f7259cf 436 AliVEvent * event = InputEvent();
437 if (!event) {
438 AliWarning("Event not available!!!");
439 return;
440 }
441
442 if (event->GetRunNumber()==fRun)
443 return;
444 fRun = event->GetRunNumber();
445
446 if (fJustUnfold){
447 // init the unfolding afterburner
448 delete fUnfolder;
449 fUnfolder = new AliEMCALAfterBurnerUF(fRecParam->GetW0(),fRecParam->GetLocMaxCut());
450 return;
451 }
452
2f7259cf 453 AliEMCALGeometry *geometry = AliEMCALGeometry::GetInstance(fGeomName);
454 if (!geometry) {
455 AliFatal("Geometry not available!!!");
456 return;
457 }
458
459 if (!fGeomMatrixSet) {
460 if (fLoadGeomMatrices) {
e51bc3f5 461 for(Int_t mod=0; mod < geometry->GetNumberOfSuperModules(); ++mod) {
2f7259cf 462 if(fGeomMatrix[mod]){
463 if(DebugLevel() > 2)
464 fGeomMatrix[mod]->Print();
465 geometry->SetMisalMatrix(fGeomMatrix[mod],mod);
466 }
467 }
29b496d5 468 } else { // get matrix from file (work around bug in aliroot)
2f7259cf 469 for(Int_t mod=0; mod < geometry->GetEMCGeometry()->GetNumberOfSuperModules(); ++mod) {
29b496d5 470 const TGeoHMatrix *gm = 0;
441c4d3c 471 AliESDEvent *esdevent = dynamic_cast<AliESDEvent*>(event);
29b496d5 472 if (esdevent) {
473 gm = esdevent->GetEMCALMatrix(mod);
474 } else {
475 AliAODHeader *aodheader = dynamic_cast<AliAODHeader*>(event->GetHeader());
476 if (aodheader) {
477 gm = aodheader->GetEMCALMatrix(mod);
478 }
479 }
480 if (gm) {
2f7259cf 481 if(DebugLevel() > 2)
29b496d5 482 gm->Print();
483 geometry->SetMisalMatrix(gm,mod);
2f7259cf 484 }
485 }
486 }
487 fGeomMatrixSet=kTRUE;
488 }
489
490 // setup digit array if needed
491 if (!fDigitsArr) {
492 fDigitsArr = new TClonesArray("AliEMCALDigit", 1000);
493 fDigitsArr->SetOwner(1);
494 }
495
496 // then setup clusterizer
497 delete fClusterizer;
498 if (fRecParam->GetClusterizerFlag() == AliEMCALRecParam::kClusterizerv1)
499 fClusterizer = new AliEMCALClusterizerv1(geometry);
500 else if(fRecParam->GetClusterizerFlag() == AliEMCALRecParam::kClusterizerNxN)
501 fClusterizer = new AliEMCALClusterizerNxN(geometry);
3786256f 502 else if(fRecParam->GetClusterizerFlag() == AliEMCALRecParam::kClusterizerv2)
503 fClusterizer = new AliEMCALClusterizerv2(geometry);
2f7259cf 504 else if(fRecParam->GetClusterizerFlag() > AliEMCALRecParam::kClusterizerNxN) {
505 AliEMCALClusterizerNxN *clusterizer = new AliEMCALClusterizerNxN(geometry);
506 clusterizer->SetNRowDiff(2);
507 clusterizer->SetNColDiff(2);
508 fClusterizer = clusterizer;
509 } else{
510 AliFatal(Form("Clusterizer < %d > not available", fRecParam->GetClusterizerFlag()));
511 }
512 fClusterizer->InitParameters(fRecParam);
01bc1ce8 513
514 if ((!fCalibData&&fLoadCalib) || (!fPedestalData&&fLoadPed)) {
515 AliCDBManager *cdb = AliCDBManager::Instance();
516 if (!cdb->IsDefaultStorageSet() && !fOCDBpath.IsNull())
517 cdb->SetDefaultStorage(fOCDBpath);
518 if (fRun!=cdb->GetRun())
519 cdb->SetRun(fRun);
520 }
10d33986 521 if (!fCalibData&&fLoadCalib) {
2f7259cf 522 AliCDBEntry *entry = static_cast<AliCDBEntry*>(AliCDBManager::Instance()->Get("EMCAL/Calib/Data"));
523 if (entry)
524 fCalibData = static_cast<AliEMCALCalibData*>(entry->GetObject());
525 if (!fCalibData)
526 AliFatal("Calibration parameters not found in CDB!");
527 }
10d33986 528 if (!fPedestalData&&fLoadPed) {
2f7259cf 529 AliCDBEntry *entry = static_cast<AliCDBEntry*>(AliCDBManager::Instance()->Get("EMCAL/Calib/Pedestals"));
530 if (entry)
531 fPedestalData = static_cast<AliCaloCalibPedestal*>(entry->GetObject());
532 }
10d33986 533 if (fCalibData) {
534 fClusterizer->SetInputCalibrated(kFALSE);
535 fClusterizer->SetCalibrationParameters(fCalibData);
10d33986 536 } else {
537 fClusterizer->SetInputCalibrated(kTRUE);
538 }
441c4d3c 539 fClusterizer->SetCaloCalibPedestal(fPedestalData);
10d33986 540 fClusterizer->SetJustClusters(kTRUE);
2f7259cf 541 fClusterizer->SetDigitsArr(fDigitsArr);
542 fClusterizer->SetOutput(0);
543 fClusterArr = const_cast<TObjArray *>(fClusterizer->GetRecPoints());
544}