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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" | |
c47157cd | 47 | // to be removed - it is here just because of geom |
48 | #include "AliRun.h" | |
49 | #include "AliRunLoader.h" | |
1d59832c | 50 | |
f6019cda | 51 | ClassImp(AliEMCALReconstructor) |
52 | ||
c47157cd | 53 | AliEMCALRecParam* AliEMCALReconstructor::fgkRecParam = 0; // EMCAL rec. parameters |
54 | ||
f6019cda | 55 | //____________________________________________________________________________ |
18a21c7c | 56 | AliEMCALReconstructor::AliEMCALReconstructor() |
57 | : fDebug(kFALSE) | |
f6019cda | 58 | { |
59 | // ctor | |
0e7c6655 | 60 | |
f6019cda | 61 | } |
62 | ||
0a4cb131 | 63 | //____________________________________________________________________________ |
18a21c7c | 64 | AliEMCALReconstructor::AliEMCALReconstructor(const AliEMCALReconstructor & rec) |
65 | : AliReconstructor(rec), | |
66 | fDebug(rec.fDebug) | |
0a4cb131 | 67 | { |
68 | //copy ctor | |
0a4cb131 | 69 | } |
f6019cda | 70 | |
71 | //____________________________________________________________________________ | |
72 | AliEMCALReconstructor::~AliEMCALReconstructor() | |
73 | { | |
74 | // dtor | |
aaa3cb7c | 75 | |
76 | AliCodeTimer::Instance()->Print(); | |
f6019cda | 77 | } |
78 | ||
fa42b1f3 | 79 | //____________________________________________________________________________ |
80 | void AliEMCALReconstructor::InitRecParam() const | |
81 | { | |
82 | // Check if the instance of AliEMCALRecParam exists, | |
83 | // if not, get it from OCDB if available, otherwise create a default one | |
84 | ||
85 | if (!fgkRecParam && (AliCDBManager::Instance()->IsDefaultStorageSet())) { | |
86 | AliCDBEntry *entry = (AliCDBEntry*) | |
87 | AliCDBManager::Instance()->Get("EMCAL/Config/RecParam"); | |
88 | if (entry) fgkRecParam = (AliEMCALRecParam*) entry->GetObject(); | |
89 | } | |
90 | ||
91 | if(!fgkRecParam){ | |
92 | AliWarning("The Reconstruction parameters for EMCAL nonitialized - Used default one"); | |
93 | fgkRecParam = new AliEMCALRecParam; | |
94 | } | |
95 | } | |
96 | ||
f6019cda | 97 | //____________________________________________________________________________ |
c47157cd | 98 | void AliEMCALReconstructor::Reconstruct(TTree* digitsTree, TTree* clustersTree) const |
f6019cda | 99 | { |
100 | // method called by AliReconstruction; | |
101 | // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track | |
102 | // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by | |
103 | // the global tracking. | |
c47157cd | 104 | // Works on the current event. |
fa42b1f3 | 105 | |
aaa3cb7c | 106 | AliCodeTimerAuto("") |
107 | ||
fa42b1f3 | 108 | InitRecParam(); |
c47157cd | 109 | AliEMCALClusterizerv1 clu; |
110 | clu.SetInput(digitsTree); | |
111 | clu.SetOutput(clustersTree); | |
0e7c6655 | 112 | if(Debug()) |
113 | clu.Digits2Clusters("deb all") ; | |
114 | else | |
115 | clu.Digits2Clusters("") ; | |
116 | ||
f6019cda | 117 | } |
118 | ||
a68156e6 | 119 | //____________________________________________________________________________ |
c47157cd | 120 | void AliEMCALReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const |
98e9578e | 121 | |
a68156e6 | 122 | { |
c47157cd | 123 | // Conversion from raw data to |
124 | // EMCAL digits. | |
125 | // Works on a single-event basis | |
85c60a8e | 126 | |
aaa3cb7c | 127 | |
128 | AliCodeTimerAuto("") | |
129 | ||
98e9578e | 130 | rawReader->Reset() ; |
98e9578e | 131 | |
c47157cd | 132 | TClonesArray *digitsArr = new TClonesArray("AliEMCALDigit",100); |
133 | Int_t bufsize = 32000; | |
134 | digitsTree->Branch("EMCAL", &digitsArr, bufsize); | |
98e9578e | 135 | |
feedcab9 | 136 | //Get Mapping RCU files from the AliEMCALRecParam |
137 | const TObjArray* maps = AliEMCALRecParam::GetMappings(); | |
138 | if(!maps) AliFatal("Cannot retrieve ALTRO mappings!!"); | |
139 | ||
140 | AliAltroMapping * mapping[2] ; // For the moment only 2 | |
141 | for(Int_t i = 0; i < 2; i++) { | |
142 | mapping[i] = (AliAltroMapping*)maps->At(i); | |
143 | } | |
144 | ||
c47157cd | 145 | static AliEMCALRawUtils rawUtils; |
feedcab9 | 146 | rawUtils.SetOption(GetOption()); |
147 | rawUtils.Raw2Digits(rawReader,digitsArr,mapping); | |
c615db53 | 148 | |
149 | digitsTree->Fill(); | |
150 | digitsArr->Delete(); | |
151 | delete digitsArr; | |
152 | ||
a68156e6 | 153 | } |
154 | ||
f6019cda | 155 | //____________________________________________________________________________ |
0e7c6655 | 156 | void AliEMCALReconstructor::FillESD(TTree* digitsTree, TTree* clustersTree, |
c47157cd | 157 | AliESDEvent* esd) const |
f6019cda | 158 | { |
98e9578e | 159 | // Called by AliReconstruct after Reconstruct() and global tracking and vertexing |
c47157cd | 160 | // Works on the current event |
85c60a8e | 161 | // Creates AliESDCaloCluster from AliEMCALRecPoints |
0e7c6655 | 162 | // and AliESDCaloCells from AliEMCALDigits |
163 | // Also, fills ESD with calorimeter trigger information | |
92da3372 | 164 | |
6a0cf740 | 165 | //###################################################### |
0964c2e9 | 166 | //#########Calculate trigger and set trigger info########### |
6a0cf740 | 167 | //###################################################### |
aaa3cb7c | 168 | |
169 | AliCodeTimerStart(Form("JLK trigger info")); | |
0964c2e9 | 170 | AliEMCALTrigger tr ; |
171 | // tr.SetPatchSize(1);//create 4x4 patches | |
172 | tr.Trigger(); | |
173 | ||
174 | Float_t maxAmp2x2 = tr.Get2x2MaxAmplitude(); | |
175 | Float_t maxAmpnxn = tr.GetnxnMaxAmplitude(); | |
176 | Float_t ampOutOfPatch2x2 = tr.Get2x2AmpOutOfPatch() ; | |
177 | Float_t ampOutOfPatchnxn = tr.GetnxnAmpOutOfPatch() ; | |
178 | ||
98e9578e | 179 | AliEMCALGeometry * geom = 0; |
c47157cd | 180 | AliRunLoader *runLoader = AliRunLoader::GetRunLoader(); |
98e9578e | 181 | if (runLoader->GetAliRun() && runLoader->GetAliRun()->GetDetector("EMCAL")) |
182 | geom = dynamic_cast<AliEMCAL*>(runLoader->GetAliRun()->GetDetector("EMCAL"))->GetGeometry(); | |
183 | if (geom == 0) | |
184 | geom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaulGeometryName()); | |
185 | ||
0964c2e9 | 186 | Int_t iSM2x2 = tr.Get2x2SuperModule(); |
187 | Int_t iSMnxn = tr.GetnxnSuperModule(); | |
188 | Int_t iCellPhi2x2 = tr.Get2x2CellPhi(); | |
189 | Int_t iCellPhinxn = tr.GetnxnCellPhi(); | |
190 | Int_t iCellEta2x2 = tr.Get2x2CellEta(); | |
191 | Int_t iCellEtanxn = tr.GetnxnCellEta(); | |
192 | ||
193 | AliDebug(2, Form("Trigger 2x2 max amp %f, out amp %f, SM %d, iphi %d ieta %d", maxAmp2x2, ampOutOfPatch2x2, iSM2x2,iCellPhi2x2, iCellEta2x2)); | |
194 | AliDebug(2, Form("Trigger 4x4 max amp %f , out amp %f, SM %d, iphi %d, ieta %d", maxAmpnxn, ampOutOfPatchnxn, iSMnxn,iCellPhinxn, iCellEtanxn)); | |
195 | ||
196 | TVector3 pos2x2(-1,-1,-1); | |
197 | TVector3 posnxn(-1,-1,-1); | |
198 | ||
199 | Int_t iAbsId2x2 = geom->GetAbsCellIdFromCellIndexes( iSM2x2, iCellPhi2x2, iCellEta2x2) ; | |
200 | Int_t iAbsIdnxn = geom->GetAbsCellIdFromCellIndexes( iSMnxn, iCellPhinxn, iCellEtanxn) ; | |
201 | geom->GetGlobal(iAbsId2x2, pos2x2); | |
202 | geom->GetGlobal(iAbsIdnxn, posnxn); | |
203 | ||
204 | TArrayF triggerPosition(6); | |
205 | triggerPosition[0] = pos2x2(0) ; | |
206 | triggerPosition[1] = pos2x2(1) ; | |
207 | triggerPosition[2] = pos2x2(2) ; | |
208 | triggerPosition[3] = posnxn(0) ; | |
209 | triggerPosition[4] = posnxn(1) ; | |
210 | triggerPosition[5] = posnxn(2) ; | |
211 | ||
212 | TArrayF triggerAmplitudes(4); | |
213 | triggerAmplitudes[0] = maxAmp2x2 ; | |
214 | triggerAmplitudes[1] = ampOutOfPatch2x2 ; | |
215 | triggerAmplitudes[2] = maxAmpnxn ; | |
216 | triggerAmplitudes[3] = ampOutOfPatchnxn ; | |
217 | ||
218 | esd->AddEMCALTriggerPosition(triggerPosition); | |
219 | esd->AddEMCALTriggerAmplitudes(triggerAmplitudes); | |
aaa3cb7c | 220 | |
221 | AliCodeTimerStop(Form("JLK trigger info")); | |
222 | ||
0e7c6655 | 223 | //######################################## |
224 | //##############Fill CaloCells############### | |
225 | //######################################## | |
aaa3cb7c | 226 | |
227 | AliCodeTimerStart(Form("JLK fill calocells")); | |
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 | ||
aaa3cb7c | 253 | AliCodeTimerStop(Form("JLK fill calocells")); |
254 | ||
0e7c6655 | 255 | //------------------------------------------------------------ |
256 | //-----------------CLUSTERS----------------------------- | |
257 | //------------------------------------------------------------ | |
258 | TObjArray *clusters = new TObjArray(100); | |
259 | TBranch *branch = clustersTree->GetBranch("EMCALECARP"); | |
260 | branch->SetAddress(&clusters); | |
261 | clustersTree->GetEvent(0); | |
262 | ||
263 | Int_t nClusters = clusters->GetEntries(), nClustersNew=0; | |
264 | AliDebug(1,Form("%d clusters",nClusters)); | |
265 | esd->SetFirstEMCALCluster(esd->GetNumberOfCaloClusters()); // Put after Phos clusters | |
266 | ||
6a0cf740 | 267 | //###################################################### |
268 | //#######################TRACK MATCHING############### | |
269 | //###################################################### | |
270 | //Fill list of integers, each one is index of track to which the cluster belongs. | |
271 | ||
aaa3cb7c | 272 | AliCodeTimerStart(Form("JLK track matching")); |
273 | ||
6a0cf740 | 274 | // step 1 - initialize array of matched track indexes |
275 | Int_t *matchedTrack = new Int_t[nClusters]; | |
276 | for (Int_t iclus = 0; iclus < nClusters; iclus++) | |
277 | matchedTrack[iclus] = -1; // neg. index --> no matched track | |
278 | ||
279 | // step 2, change the flag for all matched clusters found in tracks | |
280 | Int_t iemcalMatch = -1; | |
281 | Int_t endtpc = esd->GetNumberOfTracks(); | |
282 | for (Int_t itrack = 0; itrack < endtpc; itrack++) { | |
283 | AliESDtrack * track = esd->GetTrack(itrack) ; // retrieve track | |
284 | iemcalMatch = track->GetEMCALcluster(); | |
65f4a419 | 285 | if(iemcalMatch >= 0) matchedTrack[iemcalMatch] = itrack; |
6a0cf740 | 286 | } |
0e7c6655 | 287 | |
aaa3cb7c | 288 | AliCodeTimerStop(Form("JLK track matching")); |
289 | ||
6a0cf740 | 290 | //######################################## |
0e7c6655 | 291 | //##############Fill CaloClusters############ |
6a0cf740 | 292 | //######################################## |
0964c2e9 | 293 | |
aaa3cb7c | 294 | AliCodeTimerStart(Form("JLK fill caloclusters")); |
295 | ||
0e7c6655 | 296 | esd->SetNumberOfEMCALClusters(nClusters); |
5dee926e | 297 | for (Int_t iClust = 0 ; iClust < nClusters ; iClust++) { |
c47157cd | 298 | const AliEMCALRecPoint * clust = (const AliEMCALRecPoint*)clusters->At(iClust); |
8ada0ffe | 299 | //if(clust->GetClusterType()== AliESDCaloCluster::kEMCALClusterv1) nRP++; else nPC++; |
85c60a8e | 300 | if (Debug()) clust->Print(); |
a7a5421e | 301 | // Get information from EMCAL reconstruction points |
85c60a8e | 302 | Float_t xyz[3]; |
5dee926e | 303 | TVector3 gpos; |
304 | clust->GetGlobalPosition(gpos); | |
f6019cda | 305 | for (Int_t ixyz=0; ixyz<3; ixyz++) |
5dee926e | 306 | xyz[ixyz] = gpos[ixyz]; |
8a11aef1 | 307 | Float_t elipAxis[2]; |
92da3372 | 308 | clust->GetElipsAxis(elipAxis); |
7592dfc4 | 309 | |
0e7c6655 | 310 | //Create digits lists |
311 | Int_t cellMult = clust->GetMultiplicity(); | |
312 | //TArrayS digiList(digitMult); | |
313 | Float_t *amplFloat = clust->GetEnergiesList(); | |
314 | Int_t *digitInts = clust->GetAbsId(); | |
315 | TArrayS absIdList(cellMult); | |
316 | //Uncomment when unfolding is done | |
317 | //TArrayD fracList(cellMult); | |
318 | ||
319 | Int_t newCellMult = 0; | |
320 | for (Int_t iCell=0; iCell<cellMult; iCell++) { | |
321 | if (amplFloat[iCell] > 0) { | |
322 | absIdList[newCellMult] = (UShort_t)(digitInts[iCell]); | |
323 | //Uncomment when unfolding is done | |
324 | //fracList[newCellMult] = amplFloat[iCell]/emcCells.GetCellAmplitude(digitInts[iCell]); | |
325 | newCellMult++; | |
92da3372 | 326 | } |
92da3372 | 327 | } |
0e7c6655 | 328 | absIdList.Set(newCellMult); |
329 | //Uncomment when unfolding is done | |
330 | //fracList.Set(newCellMult); | |
331 | ||
332 | if(newCellMult > 0) { // accept cluster if it has some digit | |
a7a5421e | 333 | nClustersNew++; |
65721814 | 334 | //Primaries |
7592dfc4 | 335 | Int_t parentMult = 0; |
fa42b1f3 | 336 | Int_t *parentList = clust->GetParents(parentMult); |
0e7c6655 | 337 | |
a7a5421e | 338 | // fills the ESDCaloCluster |
339 | AliESDCaloCluster * ec = new AliESDCaloCluster() ; | |
0e7c6655 | 340 | ec->SetClusterType(AliESDCaloCluster::kEMCALClusterv1); |
7592dfc4 | 341 | ec->SetPosition(xyz); |
342 | ec->SetE(clust->GetEnergy()); | |
0e7c6655 | 343 | ec->SetNCells(newCellMult); |
344 | //Change type of list from short to ushort | |
345 | UShort_t *newAbsIdList = new UShort_t[newCellMult]; | |
346 | //Uncomment when unfolding is done | |
347 | //Double_t *newFracList = new Double_t[newCellMult]; | |
348 | for(Int_t i = 0; i < newCellMult ; i++) { | |
349 | newAbsIdList[i]=absIdList[i]; | |
350 | //Uncomment when unfolding is done | |
351 | //newFracList[i]=fracList[i]; | |
352 | } | |
353 | ec->SetCellsAbsId(newAbsIdList); | |
354 | //Uncomment when unfolding is done | |
355 | //ec->SetCellsAmplitudeFraction(newFracList); | |
356 | ||
357 | ec->SetClusterDisp(clust->GetDispersion()); | |
358 | ec->SetClusterChi2(-1); //not yet implemented | |
359 | ec->SetM02(elipAxis[0]*elipAxis[0]) ; | |
360 | ec->SetM20(elipAxis[1]*elipAxis[1]) ; | |
361 | ec->SetM11(-1) ; //not yet implemented | |
362 | ||
363 | TArrayI arrayTrackMatched(1);// Only one track, temporal solution. | |
364 | arrayTrackMatched[0]= matchedTrack[iClust]; | |
365 | ec->AddTracksMatched(arrayTrackMatched); | |
366 | ||
367 | TArrayI arrayParents(parentMult,parentList); | |
368 | ec->AddLabels(arrayParents); | |
369 | ||
7592dfc4 | 370 | |
6a0cf740 | 371 | // add the cluster to the esd object |
a7a5421e | 372 | esd->AddCaloCluster(ec); |
373 | delete ec; | |
0e7c6655 | 374 | //delete [] newAbsIdList ; |
375 | //delete [] newFracList ; | |
a7a5421e | 376 | } |
377 | } // cycle on clusters | |
0e7c6655 | 378 | |
17773e2e | 379 | delete [] matchedTrack; |
0e7c6655 | 380 | |
a7a5421e | 381 | esd->SetNumberOfEMCALClusters(nClustersNew); |
5d9e7bd7 | 382 | //if(nClustersNew != nClusters) |
383 | //printf(" ##### nClusters %i -> new %i ##### \n", nClusters, nClustersNew ); | |
7592dfc4 | 384 | |
dc293ae9 | 385 | //Fill ESDCaloCluster with PID weights |
0e7c6655 | 386 | AliEMCALPID *pid = new AliEMCALPID; |
387 | //pid->SetPrintInfo(kTRUE); | |
388 | pid->SetReconstructor(kTRUE); | |
389 | pid->RunPID(esd); | |
390 | delete pid; | |
aaa3cb7c | 391 | |
392 | AliCodeTimerStop(Form("JLK fill caloclusters")); | |
0e7c6655 | 393 | |
f6019cda | 394 | } |
dc293ae9 | 395 | |
98e9578e | 396 |