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