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f6019cda | 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 | //_________________________________________________________________________ | |
fa42b1f3 | 19 | //-- |
20 | //-- Yves Schutz (SUBATECH) | |
f6019cda | 21 | // Reconstruction class. Redesigned from the old AliReconstructionner class and |
22 | // derived from STEER/AliReconstructor. | |
23 | // | |
24 | // --- ROOT system --- | |
25 | ||
26 | // --- Standard library --- | |
27 | ||
28 | // --- AliRoot header files --- | |
f6019cda | 29 | #include "AliEMCALReconstructor.h" |
5dee926e | 30 | |
aaa3cb7c | 31 | #include "AliCodeTimer.h" |
af885e0f | 32 | #include "AliESDEvent.h" |
89ffc0b0 | 33 | #include "AliESDCaloCluster.h" |
0e7c6655 | 34 | #include "AliESDCaloCells.h" |
6a0cf740 | 35 | #include "AliESDtrack.h" |
5dee926e | 36 | #include "AliEMCALLoader.h" |
98e9578e | 37 | #include "AliEMCALRawUtils.h" |
0e7c6655 | 38 | #include "AliEMCALDigit.h" |
f6019cda | 39 | #include "AliEMCALClusterizerv1.h" |
5dee926e | 40 | #include "AliEMCALRecPoint.h" |
dc293ae9 | 41 | #include "AliEMCALPID.h" |
0964c2e9 | 42 | #include "AliEMCALTrigger.h" |
1d59832c | 43 | #include "AliRawReader.h" |
fa42b1f3 | 44 | #include "AliCDBEntry.h" |
45 | #include "AliCDBManager.h" | |
46 | #include "AliEMCALRecParam.h" | |
65bdc82f | 47 | #include "AliEMCALGeometry.h" |
ac8ae9fe | 48 | #include "AliEMCAL.h" |
65bdc82f | 49 | |
72c58de0 | 50 | #include "AliRunLoader.h" |
51 | #include "AliRun.h" | |
1d59832c | 52 | |
f6019cda | 53 | ClassImp(AliEMCALReconstructor) |
54 | ||
c47157cd | 55 | AliEMCALRecParam* AliEMCALReconstructor::fgkRecParam = 0; // EMCAL rec. parameters |
65bdc82f | 56 | AliEMCALRawUtils* AliEMCALReconstructor::fgRawUtils = 0; // EMCAL raw utilities class |
f6019cda | 57 | //____________________________________________________________________________ |
18a21c7c | 58 | AliEMCALReconstructor::AliEMCALReconstructor() |
65bdc82f | 59 | : fDebug(kFALSE),fGeom(0) |
f6019cda | 60 | { |
61 | // ctor | |
65bdc82f | 62 | InitRecParam(); |
63 | ||
64 | fgRawUtils = new AliEMCALRawUtils; | |
72c58de0 | 65 | |
66 | //To make sure we match with the geometry in a simulation file, | |
67 | //let's try to get it first. If not, take the default geometry | |
68 | AliRunLoader *rl = AliRunLoader::GetRunLoader(); | |
69 | if (rl->GetAliRun() && rl->GetAliRun()->GetDetector("EMCAL")) { | |
70 | fGeom = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"))->GetGeometry(); | |
71 | } else { | |
72 | AliInfo(Form("Using default geometry in reconstruction")); | |
937d0661 | 73 | fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName()); |
65bdc82f | 74 | } |
0e7c6655 | 75 | |
72c58de0 | 76 | if(!fGeom) AliFatal(Form("Could not get geometry!")); |
77 | ||
f6019cda | 78 | } |
79 | ||
0a4cb131 | 80 | //____________________________________________________________________________ |
18a21c7c | 81 | AliEMCALReconstructor::AliEMCALReconstructor(const AliEMCALReconstructor & rec) |
82 | : AliReconstructor(rec), | |
65bdc82f | 83 | fDebug(rec.fDebug), |
84 | fGeom(rec.fGeom) | |
0a4cb131 | 85 | { |
86 | //copy ctor | |
0a4cb131 | 87 | } |
f6019cda | 88 | |
89 | //____________________________________________________________________________ | |
90 | AliEMCALReconstructor::~AliEMCALReconstructor() | |
91 | { | |
92 | // dtor | |
65bdc82f | 93 | delete fGeom; |
aaa3cb7c | 94 | AliCodeTimer::Instance()->Print(); |
f6019cda | 95 | } |
96 | ||
fa42b1f3 | 97 | //____________________________________________________________________________ |
98 | void AliEMCALReconstructor::InitRecParam() const | |
99 | { | |
100 | // Check if the instance of AliEMCALRecParam exists, | |
101 | // if not, get it from OCDB if available, otherwise create a default one | |
102 | ||
103 | if (!fgkRecParam && (AliCDBManager::Instance()->IsDefaultStorageSet())) { | |
104 | AliCDBEntry *entry = (AliCDBEntry*) | |
105 | AliCDBManager::Instance()->Get("EMCAL/Config/RecParam"); | |
106 | if (entry) fgkRecParam = (AliEMCALRecParam*) entry->GetObject(); | |
107 | } | |
108 | ||
109 | if(!fgkRecParam){ | |
110 | AliWarning("The Reconstruction parameters for EMCAL nonitialized - Used default one"); | |
111 | fgkRecParam = new AliEMCALRecParam; | |
112 | } | |
113 | } | |
114 | ||
f6019cda | 115 | //____________________________________________________________________________ |
c47157cd | 116 | void AliEMCALReconstructor::Reconstruct(TTree* digitsTree, TTree* clustersTree) const |
f6019cda | 117 | { |
118 | // method called by AliReconstruction; | |
119 | // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track | |
120 | // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by | |
121 | // the global tracking. | |
c47157cd | 122 | // Works on the current event. |
fa42b1f3 | 123 | |
aaa3cb7c | 124 | AliCodeTimerAuto("") |
125 | ||
c47157cd | 126 | AliEMCALClusterizerv1 clu; |
127 | clu.SetInput(digitsTree); | |
128 | clu.SetOutput(clustersTree); | |
0e7c6655 | 129 | if(Debug()) |
130 | clu.Digits2Clusters("deb all") ; | |
131 | else | |
132 | clu.Digits2Clusters("") ; | |
133 | ||
f6019cda | 134 | } |
135 | ||
a68156e6 | 136 | //____________________________________________________________________________ |
c47157cd | 137 | void AliEMCALReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const |
98e9578e | 138 | |
a68156e6 | 139 | { |
c47157cd | 140 | // Conversion from raw data to |
141 | // EMCAL digits. | |
142 | // Works on a single-event basis | |
85c60a8e | 143 | |
98e9578e | 144 | rawReader->Reset() ; |
98e9578e | 145 | |
c47157cd | 146 | TClonesArray *digitsArr = new TClonesArray("AliEMCALDigit",100); |
147 | Int_t bufsize = 32000; | |
148 | digitsTree->Branch("EMCAL", &digitsArr, bufsize); | |
98e9578e | 149 | |
65bdc82f | 150 | //must be done here because, in constructor, option is not yet known |
151 | fgRawUtils->SetOption(GetOption()); | |
b4133f05 | 152 | |
153 | fgRawUtils->SetRawFormatHighLowGainFactor(fgkRecParam->GetHighLowGainFactor()); | |
154 | fgRawUtils->SetRawFormatOrder(fgkRecParam->GetOrderParameter()); | |
155 | fgRawUtils->SetRawFormatTau(fgkRecParam->GetTau()); | |
156 | fgRawUtils->SetNoiseThreshold(fgkRecParam->GetNoiseThreshold()); | |
157 | fgRawUtils->SetNPedSamples(fgkRecParam->GetNPedSamples()); | |
158 | ||
65bdc82f | 159 | fgRawUtils->Raw2Digits(rawReader,digitsArr); |
c615db53 | 160 | |
161 | digitsTree->Fill(); | |
162 | digitsArr->Delete(); | |
163 | delete digitsArr; | |
164 | ||
a68156e6 | 165 | } |
166 | ||
f6019cda | 167 | //____________________________________________________________________________ |
0e7c6655 | 168 | void AliEMCALReconstructor::FillESD(TTree* digitsTree, TTree* clustersTree, |
c47157cd | 169 | AliESDEvent* esd) const |
f6019cda | 170 | { |
98e9578e | 171 | // Called by AliReconstruct after Reconstruct() and global tracking and vertexing |
c47157cd | 172 | // Works on the current event |
85c60a8e | 173 | // Creates AliESDCaloCluster from AliEMCALRecPoints |
0e7c6655 | 174 | // and AliESDCaloCells from AliEMCALDigits |
175 | // Also, fills ESD with calorimeter trigger information | |
92da3372 | 176 | |
6a0cf740 | 177 | //###################################################### |
0964c2e9 | 178 | //#########Calculate trigger and set trigger info########### |
6a0cf740 | 179 | //###################################################### |
aaa3cb7c | 180 | |
0964c2e9 | 181 | AliEMCALTrigger tr ; |
182 | // tr.SetPatchSize(1);//create 4x4 patches | |
183 | tr.Trigger(); | |
184 | ||
185 | Float_t maxAmp2x2 = tr.Get2x2MaxAmplitude(); | |
186 | Float_t maxAmpnxn = tr.GetnxnMaxAmplitude(); | |
187 | Float_t ampOutOfPatch2x2 = tr.Get2x2AmpOutOfPatch() ; | |
188 | Float_t ampOutOfPatchnxn = tr.GetnxnAmpOutOfPatch() ; | |
189 | ||
0964c2e9 | 190 | Int_t iSM2x2 = tr.Get2x2SuperModule(); |
191 | Int_t iSMnxn = tr.GetnxnSuperModule(); | |
192 | Int_t iCellPhi2x2 = tr.Get2x2CellPhi(); | |
193 | Int_t iCellPhinxn = tr.GetnxnCellPhi(); | |
194 | Int_t iCellEta2x2 = tr.Get2x2CellEta(); | |
195 | Int_t iCellEtanxn = tr.GetnxnCellEta(); | |
196 | ||
197 | AliDebug(2, Form("Trigger 2x2 max amp %f, out amp %f, SM %d, iphi %d ieta %d", maxAmp2x2, ampOutOfPatch2x2, iSM2x2,iCellPhi2x2, iCellEta2x2)); | |
198 | AliDebug(2, Form("Trigger 4x4 max amp %f , out amp %f, SM %d, iphi %d, ieta %d", maxAmpnxn, ampOutOfPatchnxn, iSMnxn,iCellPhinxn, iCellEtanxn)); | |
199 | ||
200 | TVector3 pos2x2(-1,-1,-1); | |
201 | TVector3 posnxn(-1,-1,-1); | |
202 | ||
65bdc82f | 203 | Int_t iAbsId2x2 = fGeom->GetAbsCellIdFromCellIndexes( iSM2x2, iCellPhi2x2, iCellEta2x2) ; |
204 | Int_t iAbsIdnxn = fGeom->GetAbsCellIdFromCellIndexes( iSMnxn, iCellPhinxn, iCellEtanxn) ; | |
205 | fGeom->GetGlobal(iAbsId2x2, pos2x2); | |
206 | fGeom->GetGlobal(iAbsIdnxn, posnxn); | |
0964c2e9 | 207 | |
208 | TArrayF triggerPosition(6); | |
209 | triggerPosition[0] = pos2x2(0) ; | |
210 | triggerPosition[1] = pos2x2(1) ; | |
211 | triggerPosition[2] = pos2x2(2) ; | |
212 | triggerPosition[3] = posnxn(0) ; | |
213 | triggerPosition[4] = posnxn(1) ; | |
214 | triggerPosition[5] = posnxn(2) ; | |
215 | ||
216 | TArrayF triggerAmplitudes(4); | |
217 | triggerAmplitudes[0] = maxAmp2x2 ; | |
218 | triggerAmplitudes[1] = ampOutOfPatch2x2 ; | |
219 | triggerAmplitudes[2] = maxAmpnxn ; | |
220 | triggerAmplitudes[3] = ampOutOfPatchnxn ; | |
221 | ||
222 | esd->AddEMCALTriggerPosition(triggerPosition); | |
223 | esd->AddEMCALTriggerAmplitudes(triggerAmplitudes); | |
aaa3cb7c | 224 | |
0e7c6655 | 225 | //######################################## |
226 | //##############Fill CaloCells############### | |
227 | //######################################## | |
aaa3cb7c | 228 | |
0e7c6655 | 229 | TClonesArray *digits = new TClonesArray("AliEMCALDigit",1000); |
230 | TBranch *branchdig = digitsTree->GetBranch("EMCAL"); | |
231 | if (!branchdig) { | |
232 | AliError("can't get the branch with the PHOS digits !"); | |
233 | return; | |
234 | } | |
235 | branchdig->SetAddress(&digits); | |
236 | digitsTree->GetEvent(0); | |
237 | Int_t nDigits = digits->GetEntries(), idignew = 0 ; | |
238 | AliDebug(1,Form("%d digits",nDigits)); | |
239 | ||
240 | AliESDCaloCells &emcCells = *(esd->GetEMCALCells()); | |
241 | emcCells.CreateContainer(nDigits); | |
242 | emcCells.SetType(AliESDCaloCells::kEMCALCell); | |
243 | for (Int_t idig = 0 ; idig < nDigits ; idig++) { | |
244 | const AliEMCALDigit * dig = (const AliEMCALDigit*)digits->At(idig); | |
245 | if(dig->GetAmp() > 0 ){ | |
246 | emcCells.SetCell(idignew,dig->GetId(),dig->GetAmp(), dig->GetTime()); | |
247 | idignew++; | |
248 | } | |
249 | } | |
250 | emcCells.SetNumberOfCells(idignew); | |
251 | emcCells.Sort(); | |
252 | ||
253 | //------------------------------------------------------------ | |
254 | //-----------------CLUSTERS----------------------------- | |
255 | //------------------------------------------------------------ | |
256 | TObjArray *clusters = new TObjArray(100); | |
257 | TBranch *branch = clustersTree->GetBranch("EMCALECARP"); | |
258 | branch->SetAddress(&clusters); | |
259 | clustersTree->GetEvent(0); | |
260 | ||
261 | Int_t nClusters = clusters->GetEntries(), nClustersNew=0; | |
262 | AliDebug(1,Form("%d clusters",nClusters)); | |
263 | esd->SetFirstEMCALCluster(esd->GetNumberOfCaloClusters()); // Put after Phos clusters | |
264 | ||
6a0cf740 | 265 | //###################################################### |
266 | //#######################TRACK MATCHING############### | |
267 | //###################################################### | |
268 | //Fill list of integers, each one is index of track to which the cluster belongs. | |
269 | ||
270 | // step 1 - initialize array of matched track indexes | |
271 | Int_t *matchedTrack = new Int_t[nClusters]; | |
272 | for (Int_t iclus = 0; iclus < nClusters; iclus++) | |
273 | matchedTrack[iclus] = -1; // neg. index --> no matched track | |
274 | ||
275 | // step 2, change the flag for all matched clusters found in tracks | |
276 | Int_t iemcalMatch = -1; | |
277 | Int_t endtpc = esd->GetNumberOfTracks(); | |
278 | for (Int_t itrack = 0; itrack < endtpc; itrack++) { | |
279 | AliESDtrack * track = esd->GetTrack(itrack) ; // retrieve track | |
280 | iemcalMatch = track->GetEMCALcluster(); | |
65f4a419 | 281 | if(iemcalMatch >= 0) matchedTrack[iemcalMatch] = itrack; |
6a0cf740 | 282 | } |
0e7c6655 | 283 | |
6a0cf740 | 284 | //######################################## |
0e7c6655 | 285 | //##############Fill CaloClusters############ |
6a0cf740 | 286 | //######################################## |
0964c2e9 | 287 | |
0e7c6655 | 288 | esd->SetNumberOfEMCALClusters(nClusters); |
5dee926e | 289 | for (Int_t iClust = 0 ; iClust < nClusters ; iClust++) { |
c47157cd | 290 | const AliEMCALRecPoint * clust = (const AliEMCALRecPoint*)clusters->At(iClust); |
8ada0ffe | 291 | //if(clust->GetClusterType()== AliESDCaloCluster::kEMCALClusterv1) nRP++; else nPC++; |
85c60a8e | 292 | if (Debug()) clust->Print(); |
a7a5421e | 293 | // Get information from EMCAL reconstruction points |
85c60a8e | 294 | Float_t xyz[3]; |
5dee926e | 295 | TVector3 gpos; |
296 | clust->GetGlobalPosition(gpos); | |
f6019cda | 297 | for (Int_t ixyz=0; ixyz<3; ixyz++) |
5dee926e | 298 | xyz[ixyz] = gpos[ixyz]; |
8a11aef1 | 299 | Float_t elipAxis[2]; |
92da3372 | 300 | clust->GetElipsAxis(elipAxis); |
7592dfc4 | 301 | |
0e7c6655 | 302 | //Create digits lists |
303 | Int_t cellMult = clust->GetMultiplicity(); | |
304 | //TArrayS digiList(digitMult); | |
305 | Float_t *amplFloat = clust->GetEnergiesList(); | |
306 | Int_t *digitInts = clust->GetAbsId(); | |
307 | TArrayS absIdList(cellMult); | |
308 | //Uncomment when unfolding is done | |
309 | //TArrayD fracList(cellMult); | |
310 | ||
311 | Int_t newCellMult = 0; | |
312 | for (Int_t iCell=0; iCell<cellMult; iCell++) { | |
313 | if (amplFloat[iCell] > 0) { | |
314 | absIdList[newCellMult] = (UShort_t)(digitInts[iCell]); | |
315 | //Uncomment when unfolding is done | |
316 | //fracList[newCellMult] = amplFloat[iCell]/emcCells.GetCellAmplitude(digitInts[iCell]); | |
317 | newCellMult++; | |
92da3372 | 318 | } |
92da3372 | 319 | } |
0e7c6655 | 320 | absIdList.Set(newCellMult); |
321 | //Uncomment when unfolding is done | |
322 | //fracList.Set(newCellMult); | |
323 | ||
324 | if(newCellMult > 0) { // accept cluster if it has some digit | |
a7a5421e | 325 | nClustersNew++; |
65721814 | 326 | //Primaries |
7592dfc4 | 327 | Int_t parentMult = 0; |
fa42b1f3 | 328 | Int_t *parentList = clust->GetParents(parentMult); |
0e7c6655 | 329 | |
a7a5421e | 330 | // fills the ESDCaloCluster |
331 | AliESDCaloCluster * ec = new AliESDCaloCluster() ; | |
0e7c6655 | 332 | ec->SetClusterType(AliESDCaloCluster::kEMCALClusterv1); |
7592dfc4 | 333 | ec->SetPosition(xyz); |
334 | ec->SetE(clust->GetEnergy()); | |
0e7c6655 | 335 | ec->SetNCells(newCellMult); |
336 | //Change type of list from short to ushort | |
337 | UShort_t *newAbsIdList = new UShort_t[newCellMult]; | |
338 | //Uncomment when unfolding is done | |
339 | //Double_t *newFracList = new Double_t[newCellMult]; | |
340 | for(Int_t i = 0; i < newCellMult ; i++) { | |
341 | newAbsIdList[i]=absIdList[i]; | |
342 | //Uncomment when unfolding is done | |
343 | //newFracList[i]=fracList[i]; | |
344 | } | |
345 | ec->SetCellsAbsId(newAbsIdList); | |
346 | //Uncomment when unfolding is done | |
347 | //ec->SetCellsAmplitudeFraction(newFracList); | |
348 | ||
349 | ec->SetClusterDisp(clust->GetDispersion()); | |
350 | ec->SetClusterChi2(-1); //not yet implemented | |
351 | ec->SetM02(elipAxis[0]*elipAxis[0]) ; | |
352 | ec->SetM20(elipAxis[1]*elipAxis[1]) ; | |
353 | ec->SetM11(-1) ; //not yet implemented | |
354 | ||
355 | TArrayI arrayTrackMatched(1);// Only one track, temporal solution. | |
356 | arrayTrackMatched[0]= matchedTrack[iClust]; | |
357 | ec->AddTracksMatched(arrayTrackMatched); | |
358 | ||
359 | TArrayI arrayParents(parentMult,parentList); | |
360 | ec->AddLabels(arrayParents); | |
361 | ||
7592dfc4 | 362 | |
6a0cf740 | 363 | // add the cluster to the esd object |
a7a5421e | 364 | esd->AddCaloCluster(ec); |
365 | delete ec; | |
0e7c6655 | 366 | //delete [] newAbsIdList ; |
367 | //delete [] newFracList ; | |
a7a5421e | 368 | } |
369 | } // cycle on clusters | |
0e7c6655 | 370 | |
17773e2e | 371 | delete [] matchedTrack; |
0e7c6655 | 372 | |
a7a5421e | 373 | esd->SetNumberOfEMCALClusters(nClustersNew); |
5d9e7bd7 | 374 | //if(nClustersNew != nClusters) |
375 | //printf(" ##### nClusters %i -> new %i ##### \n", nClusters, nClustersNew ); | |
7592dfc4 | 376 | |
dc293ae9 | 377 | //Fill ESDCaloCluster with PID weights |
0e7c6655 | 378 | AliEMCALPID *pid = new AliEMCALPID; |
379 | //pid->SetPrintInfo(kTRUE); | |
380 | pid->SetReconstructor(kTRUE); | |
381 | pid->RunPID(esd); | |
382 | delete pid; | |
aaa3cb7c | 383 | |
01b3aba7 | 384 | delete digits; |
385 | delete clusters; | |
386 | ||
f6019cda | 387 | } |
dc293ae9 | 388 | |
98e9578e | 389 |