Avoid message E-TClonesArray::At: during digitization due to try to access non existi...
[u/mrichter/AliRoot.git] / EMCAL / AliEMCALClusterizer.cxx
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483b0559 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//_________________________________________________________________________
19// Base class for the clusterization algorithm (pure abstract)
20//*--
21//*-- Author: Yves Schutz SUBATECH
ee08edde 22//
23// Clusterization mother class. Contains common methods/data members of different
24// clusterizers. GCB 2010
483b0559 25//////////////////////////////////////////////////////////////////////////////
26
27// --- ROOT system ---
c47157cd 28#include "TClonesArray.h"
29#include "TTree.h"
ee08edde 30#include <TFile.h>
31class TFolder;
32#include <TMath.h>
33#include <TMinuit.h>
34#include <TTree.h>
35class TSystem;
36#include <TBenchmark.h>
37#include <TBrowser.h>
38#include <TROOT.h>
483b0559 39
40// --- Standard library ---
ee08edde 41#include <cassert>
483b0559 42
43// --- AliRoot header files ---
483b0559 44#include "AliEMCALClusterizer.h"
ee08edde 45#include "AliEMCALReconstructor.h"
46#include "AliRunLoader.h"
47#include "AliRun.h"
c47157cd 48#include "AliLog.h"
ee08edde 49#include "AliEMCAL.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"
57class AliCDBStorage;
58#include "AliCDBEntry.h"
483b0559 59
60ClassImp(AliEMCALClusterizer)
61
62//____________________________________________________________________________
c47157cd 63AliEMCALClusterizer::AliEMCALClusterizer():
ac084be7 64 fIsInputCalibrated(kFALSE),
294553d1 65 fJustClusters(kFALSE),
c47157cd 66 fDigitsArr(NULL),
67 fTreeR(NULL),
ee08edde 68 fRecPoints(NULL),
69 fGeom(NULL),
70 fCalibData(NULL),
71 fCaloPed(NULL),
72 fADCchannelECA(0.),fADCpedestalECA(0.),
73 fTimeMin(-1.),fTimeMax(1.),fTimeCut(1.),
74 fDefaultInit(kFALSE),fToUnfold(kFALSE),
75 fNumberOfECAClusters(0), fECAClusteringThreshold(0.),
65bec413 76 fECALocMaxCut(0.),fECAW0(0.),fMinECut(0.),
77 fClusterUnfolding(NULL)
483b0559 78{
79 // ctor
ee08edde 80
81 Init();
ee08edde 82}
83
84//____________________________________________________________________________
85AliEMCALClusterizer::AliEMCALClusterizer(AliEMCALGeometry* geometry):
ac084be7 86 fIsInputCalibrated(kFALSE),
294553d1 87 fJustClusters(kFALSE),
ee08edde 88 fDigitsArr(NULL),
89 fTreeR(NULL),
90 fRecPoints(NULL),
91 fGeom(geometry),
92 fCalibData(NULL),
93 fCaloPed(NULL),
94 fADCchannelECA(0.),fADCpedestalECA(0.),
95 fTimeMin(-1.),fTimeMax(1.),fTimeCut(1.),
96 fDefaultInit(kFALSE),fToUnfold(kFALSE),
97 fNumberOfECAClusters(0), fECAClusteringThreshold(0.),
65bec413 98 fECALocMaxCut(0.),fECAW0(0.),fMinECut(0.),
99 fClusterUnfolding(NULL)
ee08edde 100{
ac084be7 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();
ee08edde 107
108 if (!fGeom)
109 {
110 AliFatal("Geometry not initialized.");
111 }
65bec413 112 Int_t i=0;
113 for (i = 0; i < 8; i++)
114 fSSPars[i] = 0.;
115 for (i = 0; i < 3; i++) {
116 fPar5[i] = 0.;
117 fPar6[i] = 0.;
118 }
483b0559 119}
839828a6 120
483b0559 121//____________________________________________________________________________
ac084be7 122AliEMCALClusterizer::AliEMCALClusterizer(AliEMCALGeometry *geometry,
123 AliEMCALCalibData *calib,
124 AliCaloCalibPedestal *caloped):
125 fIsInputCalibrated(kFALSE),
294553d1 126 fJustClusters(kFALSE),
ee08edde 127 fDigitsArr(NULL),
128 fTreeR(NULL),
129 fRecPoints(NULL),
130 fGeom(geometry),
131 fCalibData(calib),
132 fCaloPed(caloped),
133 fADCchannelECA(0.),fADCpedestalECA(0.),
134 fTimeMin(-1.),fTimeMax(1.),fTimeCut(1.),
135 fDefaultInit(kFALSE),fToUnfold(kFALSE),
136 fNumberOfECAClusters(0), fECAClusteringThreshold(0.),
65bec413 137 fECALocMaxCut(0.),fECAW0(0.),fMinECut(0.),
138 fClusterUnfolding(NULL)
ee08edde 139{
c526514b 140 // ctor, geometry and calibration are initialized elsewhere.
141
142 if (!fGeom)
143 AliFatal("Geometry not initialized.");
ee08edde 144
65bec413 145 Int_t i=0;
146 for (i = 0; i < 8; i++)
147 fSSPars[i] = 0.;
148 for (i = 0; i < 3; i++) {
149 fPar5[i] = 0.;
150 fPar6[i] = 0.;
151 }
ee08edde 152}
153
ee08edde 154//____________________________________________________________________________
c47157cd 155AliEMCALClusterizer::~AliEMCALClusterizer()
483b0559 156{
c47157cd 157 // dtor
23ca956b 158 //Already deleted in AliEMCALReconstructor.
159
65bec413 160 if(fClusterUnfolding) delete fClusterUnfolding;
c828bc97 161
162 // make sure we delete the rec points array
163 DeleteRecPoints();
164}
165
166//____________________________________________________________________________
167void AliEMCALClusterizer::DeleteRecPoints()
168{
169 // free the cluster array
170 if (fRecPoints)
171 {
172 AliDebug(2, "Deleting fRecPoints.");
173 fRecPoints->Delete();
174 delete fRecPoints;
175 fRecPoints = 0;
176 }
18a21c7c 177}
178
179//____________________________________________________________________________
ac084be7 180Float_t AliEMCALClusterizer::Calibrate(const Float_t amp, const Float_t time, const Int_t absId)
ee08edde 181{
ee08edde 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.
ac084be7 185
186 //Return energy with default parameters if calibration is not available
924d921d 187 if (!fCalibData&&!fCaloPed) {
ac084be7 188 if (fIsInputCalibrated == kTRUE)
b1324a01 189 {
190 AliDebug(10, Form("Input already calibrated!"));
191 return amp;
ac084be7 192 }
ee08edde 193
ac084be7 194 return -fADCpedestalECA + amp * fADCchannelECA ;
195 }
196
197 if (fGeom==0)
198 AliFatal("Did not get geometry from EMCALLoader") ;
b1324a01 199
ac084be7 200 Int_t iSupMod = -1;
201 Int_t nModule = -1;
202 Int_t nIphi = -1;
203 Int_t nIeta = -1;
204 Int_t iphi = -1;
205 Int_t ieta = -1;
ee08edde 206
ac084be7 207 Bool_t bCell = fGeom->GetCellIndex(absId, iSupMod, nModule, nIphi, nIeta) ;
208 if(!bCell) {
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.
214 return 0;
ee08edde 215 }
b1324a01 216
ac084be7 217 fGeom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta);
218
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
294553d1 223 if (fCaloPed) {
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));
227 return 0;
228 }
ac084be7 229 }
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;
b1324a01 232
9c8525ff 233 if (fIsInputCalibrated||!fCalibData)
ac084be7 234 {
235 AliDebug(10, Form("Input already calibrated!"));
236 return amp;
b1324a01 237 }
ac084be7 238
239 fADCchannelECA = fCalibData->GetADCchannel (iSupMod,ieta,iphi);
240 fADCpedestalECA = fCalibData->GetADCpedestal(iSupMod,ieta,iphi);
241
242 return -fADCpedestalECA + amp * fADCchannelECA ;
ee08edde 243}
244
245//____________________________________________________________________________
246void AliEMCALClusterizer::GetCalibrationParameters()
247{
248 // Set calibration parameters:
ac084be7 249 // If calibration database exists, they are read from database,
ee08edde 250 // otherwise, they are taken from digitizer.
ee08edde 251 // It is a user responsilibity to open CDB before reconstruction,
252 // for example:
253 // AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB");
ac084be7 254
255 if (fIsInputCalibrated)
256 return;
ee08edde 257
258 //Check if calibration is stored in data base
ee08edde 259 if(!fCalibData)
260 {
261 AliCDBEntry *entry = (AliCDBEntry*)
262 AliCDBManager::Instance()->Get("EMCAL/Calib/Data");
263 if (entry) fCalibData = (AliEMCALCalibData*) entry->GetObject();
264 }
265
266 if(!fCalibData)
267 AliFatal("Calibration parameters not found in CDB!");
ee08edde 268}
269
270//____________________________________________________________________________
271void AliEMCALClusterizer::GetCaloCalibPedestal()
272{
c526514b 273 // Set calibration parameters:
274 // if calibration database exists, they are read from database,
275 // otherwise, they are taken from digitizer.
276 //
277 // It is a user responsilibity to open CDB before reconstruction,
278 // for example:
279 // AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB");
ac084be7 280
281 if (fIsInputCalibrated)
282 return;
c526514b 283
ac084be7 284 // Check if calibration is stored in data base
c526514b 285 if(!fCaloPed)
286 {
287 AliCDBEntry *entry = (AliCDBEntry*)
288 AliCDBManager::Instance()->Get("EMCAL/Calib/Pedestals");
289 if (entry) fCaloPed = (AliCaloCalibPedestal*) entry->GetObject();
290 }
291
292 if(!fCaloPed)
293 AliFatal("Pedestal info not found in CDB!");
ee08edde 294}
295
296//____________________________________________________________________________
297void AliEMCALClusterizer::Init()
298{
299 // Make all memory allocations which can not be done in default constructor.
300 // Attach the Clusterizer task to the list of EMCAL tasks
301
302 AliRunLoader *rl = AliRunLoader::Instance();
a51e676d 303 if (rl->GetAliRun()){
304 AliEMCAL* emcal = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"));
305 if(emcal)fGeom = emcal->GetGeometry();
306 }
307
308 if(!fGeom){
ac084be7 309 fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
a51e676d 310 }
ee08edde 311
312 AliDebug(1,Form("geom %p",fGeom));
313
314 if(!gMinuit)
315 gMinuit = new TMinuit(100) ;
316
65bec413 317 Int_t i=0;
318 for (i = 0; i < 8; i++)
319 fSSPars[i] = 0.;
320 for (i = 0; i < 3; i++) {
321 fPar5[i] = 0.;
322 fPar6[i] = 0.;
323 }
ee08edde 324}
325
326//____________________________________________________________________________
327void AliEMCALClusterizer::InitParameters()
328{
ac084be7 329 // Initializes the parameters for the Clusterizer from AliEMCALReconstructor::GetRecParam().
330
331 return InitParameters(AliEMCALReconstructor::GetRecParam());
332}
333
334//____________________________________________________________________________
335void AliEMCALClusterizer::InitParameters(const AliEMCALRecParam* recParam)
336{
ee08edde 337 // Initializes the parameters for the Clusterizer
ac084be7 338
ee08edde 339 fNumberOfECAClusters = 0 ;
340 fCalibData = 0 ;
341 fCaloPed = 0 ;
342
ee08edde 343 if(!recParam) {
344 AliFatal("Reconstruction parameters for EMCAL not set!");
ac084be7 345 }
346
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();
65bec413 355
ac084be7 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));
359
360 if (fToUnfold) {
361 Int_t i=0;
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
622e10be 369
ac084be7 370 InitClusterUnfolding();
622e10be 371
ac084be7 372 for (i = 0; i < 8; i++) {
373 AliDebug(1,Form("unfolding shower shape parameters: fSSPars=%f \n",fSSPars[i]));
374 }
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]));
378 }
379 } // to unfold
ee08edde 380}
381
ee08edde 382//____________________________________________________________________________
383void AliEMCALClusterizer::Print(Option_t * /*option*/)const
384{
385 // Print clusterizer parameters
386
387 TString message("\n") ;
388
ac084be7 389 if (strcmp(GetName(),"") == 0) {
390 printf("AliEMCALClusterizer not initialized\n");
391 return;
392 }
ee08edde 393
ac084be7 394 // Print parameters
395 TString taskName(Version()) ;
ee08edde 396
ac084be7 397 printf("--------------- ");
398 printf("%s",taskName.Data()) ;
399 printf(" ");
400 printf("Clusterizing digits: ");
401 printf("\n ECA Local Maximum cut = %f", fECALocMaxCut);
402 printf("\n ECA Logarithmic weight = %f", fECAW0);
403 if (fToUnfold) {
404 printf("\nUnfolding on\n");
405 printf("Unfolding parameters: fSSpars: \n");
406 Int_t i=0;
407 for (i = 0; i < 8; i++) {
408 printf("fSSPars[%d] = %f \n", i, fSSPars[i]);
409 }
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]);
c526514b 414 }
ee08edde 415 }
416 else
ac084be7 417 printf("\nUnfolding off\n");
418
419 printf("------------------------------------------------------------------");
ee08edde 420}
421
422//____________________________________________________________________________
423void AliEMCALClusterizer::PrintRecPoints(Option_t * option)
424{
425 // Prints list of RecPoints produced at the current pass of AliEMCALClusterizer
ac084be7 426
427 if (strstr(option,"deb")) {
ee08edde 428 printf("PrintRecPoints: Clusterization result:") ;
ee08edde 429 printf(" Found %d ECA Rec Points\n ",
430 fRecPoints->GetEntriesFast()) ;
431 }
432
ac084be7 433 if (strstr(option,"all")) {
434 if (strstr(option,"deb")) {
ee08edde 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") ;
438 }
439 Int_t index;
440 for (index = 0 ; index < fRecPoints->GetEntries() ; index++) {
441 AliEMCALRecPoint * rp = dynamic_cast<AliEMCALRecPoint * >(fRecPoints->At(index)) ;
ac084be7 442 if (!rp)
443 continue;
444
445 TVector3 globalpos;
446 //rp->GetGlobalPosition(globalpos);
447 TVector3 localpos;
448 rp->GetLocalPosition(localpos);
449 Float_t lambda[2];
450 rp->GetElipsAxis(lambda);
51e4198e 451
ac084be7 452 Int_t nprimaries=0;
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] ) ;
ee08edde 462 }
463 }
464 }
465
466 if(strstr(option,"deb"))
467 printf("\n-----------------------------------------------------------------------\n");
468 }
469}
470
471//___________________________________________________________________
472void AliEMCALClusterizer::PrintRecoInfo()
473{
ac084be7 474 // Print reco version
475
ee08edde 476 printf(" AliEMCALClusterizer::PrintRecoInfo() : version %s \n", Version() );
ee08edde 477}
478
479//____________________________________________________________________________
c47157cd 480void AliEMCALClusterizer::SetInput(TTree *digitsTree)
18a21c7c 481{
c47157cd 482 // Read the digits from the input tree
ac084be7 483
c47157cd 484 TBranch *branch = digitsTree->GetBranch("EMCAL");
485 if (!branch) {
486 AliError("can't get the branch with the EMCAL digits !");
487 return;
488 }
3f9ad99f 489 if (!fDigitsArr)
490 fDigitsArr = new TClonesArray("AliEMCALDigit",100);
c47157cd 491 branch->SetAddress(&fDigitsArr);
492 branch->GetEntry(0);
483b0559 493}
494
495//____________________________________________________________________________
c47157cd 496void AliEMCALClusterizer::SetOutput(TTree *clustersTree)
483b0559 497{
c47157cd 498 // Read the digits from the input tree
ac084be7 499
c47157cd 500 AliDebug(9, "Making array for EMCAL clusters");
ac084be7 501 fRecPoints = new TObjArray(1000);
502 if (clustersTree) {
503 fTreeR = clustersTree;
504 Int_t split = 0;
505 Int_t bufsize = 32000;
506 fTreeR->Branch("EMCALECARP", "TObjArray", &fRecPoints, bufsize, split);
507 }
88cb7938 508}
ee08edde 509
b1324a01 510//___________________________________________________________________
ac084be7 511void AliEMCALClusterizer::SetInputCalibrated(Bool_t val)
b1324a01 512{
ac084be7 513 // Flag to indicate that input is calibrated - the case when we run already on ESD
ee08edde 514
ac084be7 515 fIsInputCalibrated = val;
516}
294553d1 517
518//___________________________________________________________________
519void AliEMCALClusterizer::SetJustClusters(Bool_t val)
520{
521 // Flag to indicate that we are running on ESDs, when calling
522 // rp->EvalAll(fECAW0,fDigitsArr,fJustClusters); in derived classes
523
524 fJustClusters = val;
525}