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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 | //_________________________________________________________________________ | |
19 | //*-- | |
20 | //*-- Yves Schutz (SUBATECH) | |
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 | |
31 | #include "AliESD.h" | |
32 | #include "AliRunLoader.h" | |
33 | #include "AliEMCALLoader.h" | |
f6019cda | 34 | #include "AliEMCALClusterizerv1.h" |
5dee926e | 35 | #include "AliEMCALRecPoint.h" |
dc293ae9 | 36 | #include "AliEMCALPID.h" |
0964c2e9 | 37 | #include "AliEMCALTrigger.h" |
1d59832c | 38 | #include "AliRawReader.h" |
39 | ||
f6019cda | 40 | |
41 | ClassImp(AliEMCALReconstructor) | |
42 | ||
43 | //____________________________________________________________________________ | |
18a21c7c | 44 | AliEMCALReconstructor::AliEMCALReconstructor() |
45 | : fDebug(kFALSE) | |
f6019cda | 46 | { |
47 | // ctor | |
f6019cda | 48 | } |
49 | ||
0a4cb131 | 50 | //____________________________________________________________________________ |
18a21c7c | 51 | AliEMCALReconstructor::AliEMCALReconstructor(const AliEMCALReconstructor & rec) |
52 | : AliReconstructor(rec), | |
53 | fDebug(rec.fDebug) | |
0a4cb131 | 54 | { |
55 | //copy ctor | |
0a4cb131 | 56 | } |
f6019cda | 57 | |
58 | //____________________________________________________________________________ | |
59 | AliEMCALReconstructor::~AliEMCALReconstructor() | |
60 | { | |
61 | // dtor | |
62 | } | |
63 | ||
64 | //____________________________________________________________________________ | |
65 | void AliEMCALReconstructor::Reconstruct(AliRunLoader* runLoader) const | |
66 | { | |
67 | // method called by AliReconstruction; | |
68 | // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track | |
69 | // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by | |
70 | // the global tracking. | |
71 | ||
72 | TString headerFile(runLoader->GetFileName()) ; | |
b4975670 | 73 | TString branchName(runLoader->GetEventFolder()->GetName() ) ; |
f6019cda | 74 | |
75 | AliEMCALClusterizerv1 clu(headerFile, branchName); | |
76 | clu.SetEventRange(0, -1) ; // do all the events | |
77 | if ( Debug() ) | |
78 | clu.ExecuteTask("deb all") ; | |
79 | else | |
85c60a8e | 80 | clu.ExecuteTask("pseudo") ; |
81 | ||
f6019cda | 82 | } |
83 | ||
a68156e6 | 84 | //____________________________________________________________________________ |
5dee926e | 85 | void AliEMCALReconstructor::Reconstruct(AliRunLoader* runLoader, AliRawReader* rawreader) const |
a68156e6 | 86 | { |
87 | // method called by AliReconstruction; | |
88 | // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track | |
89 | // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by | |
90 | // the global tracking. | |
91 | // Here we reconstruct from Raw Data | |
92 | ||
93 | rawreader->Reset() ; | |
94 | TString headerFile(runLoader->GetFileName()) ; | |
95 | TString branchName(runLoader->GetEventFolder()->GetName()) ; | |
85c60a8e | 96 | |
a68156e6 | 97 | AliEMCALClusterizerv1 clu(headerFile, branchName); |
98 | clu.SetEventRange(0, -1) ; // do all the events | |
99 | if ( Debug() ) | |
85c60a8e | 100 | clu.ExecuteTask("deb pseudo all") ; |
a68156e6 | 101 | else |
85c60a8e | 102 | clu.ExecuteTask("pseudo") ; |
a68156e6 | 103 | |
104 | } | |
105 | ||
f6019cda | 106 | //____________________________________________________________________________ |
107 | void AliEMCALReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const | |
108 | { | |
109 | // Called by AliReconstruct after Reconstruct() and global tracking and vertxing | |
f1487f22 | 110 | const double timeScale = 1.e+11; // transition constant from sec to 0.01ns (10ps) |
92da3372 | 111 | |
b4975670 | 112 | Int_t eventNumber = runLoader->GetEventNumber() ; |
113 | ||
1963b290 | 114 | TString headerFile(runLoader->GetFileName()) ; |
115 | TString branchName(runLoader->GetEventFolder()->GetName()) ; | |
85c60a8e | 116 | // Creates AliESDCaloCluster from AliEMCALRecPoints |
5dee926e | 117 | AliRunLoader *rl = AliRunLoader::GetRunLoader(); |
118 | AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL")); | |
119 | rl->LoadRecPoints(); | |
92da3372 | 120 | rl->LoadKinematics(); // To get the primary label |
121 | rl->LoadDigits(); // To get the primary label | |
122 | rl->LoadHits(); // To get the primary label | |
5dee926e | 123 | rl->GetEvent(eventNumber); |
124 | TObjArray *clusters = emcalLoader->RecPoints(); | |
a7a5421e | 125 | Int_t nClusters = clusters->GetEntries(), nClustersNew=0; |
5d9e7bd7 | 126 | // Int_t nRP=0, nPC=0; // in input |
a7a5421e | 127 | esd->SetFirstEMCALCluster(esd->GetNumberOfCaloClusters()); // Put after Phos clusters |
92da3372 | 128 | |
0964c2e9 | 129 | //#########Calculate trigger and set trigger info########### |
130 | ||
131 | AliEMCALTrigger tr ; | |
132 | // tr.SetPatchSize(1);//create 4x4 patches | |
133 | tr.Trigger(); | |
134 | ||
135 | Float_t maxAmp2x2 = tr.Get2x2MaxAmplitude(); | |
136 | Float_t maxAmpnxn = tr.GetnxnMaxAmplitude(); | |
137 | Float_t ampOutOfPatch2x2 = tr.Get2x2AmpOutOfPatch() ; | |
138 | Float_t ampOutOfPatchnxn = tr.GetnxnAmpOutOfPatch() ; | |
139 | ||
140 | AliEMCALGeometry * geom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaulGeometryName()); | |
141 | ||
142 | Int_t iSM2x2 = tr.Get2x2SuperModule(); | |
143 | Int_t iSMnxn = tr.GetnxnSuperModule(); | |
144 | Int_t iCellPhi2x2 = tr.Get2x2CellPhi(); | |
145 | Int_t iCellPhinxn = tr.GetnxnCellPhi(); | |
146 | Int_t iCellEta2x2 = tr.Get2x2CellEta(); | |
147 | Int_t iCellEtanxn = tr.GetnxnCellEta(); | |
148 | ||
149 | AliDebug(2, Form("Trigger 2x2 max amp %f, out amp %f, SM %d, iphi %d ieta %d", maxAmp2x2, ampOutOfPatch2x2, iSM2x2,iCellPhi2x2, iCellEta2x2)); | |
150 | AliDebug(2, Form("Trigger 4x4 max amp %f , out amp %f, SM %d, iphi %d, ieta %d", maxAmpnxn, ampOutOfPatchnxn, iSMnxn,iCellPhinxn, iCellEtanxn)); | |
151 | ||
152 | TVector3 pos2x2(-1,-1,-1); | |
153 | TVector3 posnxn(-1,-1,-1); | |
154 | ||
155 | Int_t iAbsId2x2 = geom->GetAbsCellIdFromCellIndexes( iSM2x2, iCellPhi2x2, iCellEta2x2) ; | |
156 | Int_t iAbsIdnxn = geom->GetAbsCellIdFromCellIndexes( iSMnxn, iCellPhinxn, iCellEtanxn) ; | |
157 | geom->GetGlobal(iAbsId2x2, pos2x2); | |
158 | geom->GetGlobal(iAbsIdnxn, posnxn); | |
159 | ||
160 | TArrayF triggerPosition(6); | |
161 | triggerPosition[0] = pos2x2(0) ; | |
162 | triggerPosition[1] = pos2x2(1) ; | |
163 | triggerPosition[2] = pos2x2(2) ; | |
164 | triggerPosition[3] = posnxn(0) ; | |
165 | triggerPosition[4] = posnxn(1) ; | |
166 | triggerPosition[5] = posnxn(2) ; | |
167 | ||
168 | TArrayF triggerAmplitudes(4); | |
169 | triggerAmplitudes[0] = maxAmp2x2 ; | |
170 | triggerAmplitudes[1] = ampOutOfPatch2x2 ; | |
171 | triggerAmplitudes[2] = maxAmpnxn ; | |
172 | triggerAmplitudes[3] = ampOutOfPatchnxn ; | |
173 | ||
174 | esd->AddEMCALTriggerPosition(triggerPosition); | |
175 | esd->AddEMCALTriggerAmplitudes(triggerAmplitudes); | |
176 | ||
177 | //###################################### | |
178 | ||
179 | //Fill CaloClusters | |
180 | ||
5dee926e | 181 | for (Int_t iClust = 0 ; iClust < nClusters ; iClust++) { |
182 | const AliEMCALRecPoint * clust = emcalLoader->RecPoint(iClust); | |
5d9e7bd7 | 183 | //if(clust->GetClusterType()== AliESDCaloCluster::kClusterv1) nRP++; else nPC++; |
85c60a8e | 184 | if (Debug()) clust->Print(); |
a7a5421e | 185 | // Get information from EMCAL reconstruction points |
85c60a8e | 186 | Float_t xyz[3]; |
5dee926e | 187 | TVector3 gpos; |
188 | clust->GetGlobalPosition(gpos); | |
f6019cda | 189 | for (Int_t ixyz=0; ixyz<3; ixyz++) |
5dee926e | 190 | xyz[ixyz] = gpos[ixyz]; |
92da3372 | 191 | |
85c60a8e | 192 | Int_t digitMult = clust->GetMultiplicity(); |
193 | UShort_t *amplList = new UShort_t[digitMult]; | |
194 | UShort_t *timeList = new UShort_t[digitMult]; | |
195 | UShort_t *digiList = new UShort_t[digitMult]; | |
196 | Float_t *amplFloat = clust->GetEnergiesList(); | |
197 | Float_t *timeFloat = clust->GetTimeList(); | |
198 | Int_t *digitInts = clust->GetAbsId(); | |
8a11aef1 | 199 | Float_t elipAxis[2]; |
92da3372 | 200 | clust->GetElipsAxis(elipAxis); |
85c60a8e | 201 | |
a7a5421e | 202 | // Convert Float_t* and Int_t* to UShort_t* to save memory |
203 | // Problem : we should recalculate a cluster characteristics when discard digit(s) | |
f1487f22 | 204 | Int_t newdigitMult = 0; |
92da3372 | 205 | for (Int_t iDigit=0; iDigit<digitMult; iDigit++) { |
f1487f22 | 206 | if(timeFloat[iDigit] < 65536./timeScale) { |
a7a5421e | 207 | amplList[newdigitMult] = (UShort_t)(amplFloat[iDigit]*500); |
208 | if(amplList[newdigitMult] > 0) { // accept digit if poztive amplitude | |
f1487f22 | 209 | timeList[newdigitMult] = (UShort_t)(timeFloat[iDigit]*timeScale); // Time in units of 0.01 ns = 10 ps |
a7a5421e | 210 | digiList[newdigitMult] = (UShort_t)(digitInts[iDigit]); |
211 | newdigitMult++; | |
212 | } | |
92da3372 | 213 | } |
92da3372 | 214 | } |
a7a5421e | 215 | |
216 | if(newdigitMult > 0) { // accept cluster if it has some digit | |
217 | nClustersNew++; | |
218 | if(newdigitMult != digitMult) { // some digits were deleted | |
219 | UShort_t *amplListNew = new UShort_t[newdigitMult]; | |
220 | UShort_t *timeListNew = new UShort_t[newdigitMult]; | |
221 | UShort_t *digiListNew = new UShort_t[newdigitMult]; | |
222 | for (Int_t iDigit=0; iDigit<newdigitMult; iDigit++) { | |
223 | amplListNew[iDigit] = amplList[iDigit]; | |
224 | timeListNew[iDigit] = timeList[iDigit]; | |
225 | digiListNew[iDigit] = digiList[iDigit]; | |
226 | } | |
227 | ||
228 | delete [] amplList; | |
229 | delete [] timeList; | |
230 | delete [] digiList; | |
231 | ||
232 | amplList = amplListNew; | |
233 | timeList = timeListNew; | |
234 | digiList = digiListNew; | |
235 | } | |
236 | // fills the ESDCaloCluster | |
237 | AliESDCaloCluster * ec = new AliESDCaloCluster() ; | |
238 | ec->SetClusterType(clust->GetClusterType()); | |
239 | ec->SetGlobalPosition(xyz); | |
240 | ec->SetClusterEnergy(clust->GetEnergy()); | |
241 | ||
242 | ec->SetNumberOfDigits(newdigitMult); | |
243 | ec->SetDigitAmplitude(amplList); //energies | |
244 | ec->SetDigitTime(timeList); //times | |
245 | ec->SetDigitIndex(digiList); //indices | |
246 | if(clust->GetClusterType()== AliESDCaloCluster::kClusterv1){ | |
247 | ec->SetClusterDisp(clust->GetDispersion()); | |
248 | ec->SetClusterChi2(-1); //not yet implemented | |
249 | ec->SetM02(elipAxis[0]*elipAxis[0]) ; | |
250 | ec->SetM20(elipAxis[1]*elipAxis[1]) ; | |
251 | ec->SetM11(-1) ; //not yet implemented | |
252 | ec->SetPrimaryIndex(clust->GetPrimaryIndex()); | |
253 | } | |
85c60a8e | 254 | // add the cluster to the esd object |
a7a5421e | 255 | esd->AddCaloCluster(ec); |
256 | delete ec; | |
257 | } else { // no new ESD cluster | |
258 | delete [] amplList; | |
259 | delete [] timeList; | |
260 | delete [] digiList; | |
261 | } | |
262 | } // cycle on clusters | |
d948db41 | 263 | // printf(" %i : nClusters %i : RP %i PC %i \n", eventNumber, nClusters, nRP, nPC); |
a7a5421e | 264 | esd->SetNumberOfEMCALClusters(nClustersNew); |
5d9e7bd7 | 265 | //if(nClustersNew != nClusters) |
266 | //printf(" ##### nClusters %i -> new %i ##### \n", nClusters, nClustersNew ); | |
dc293ae9 | 267 | |
dc293ae9 | 268 | //Fill ESDCaloCluster with PID weights |
dc293ae9 | 269 | AliEMCALPID *pid = new AliEMCALPID; |
270 | //pid->SetPrintInfo(kTRUE); | |
271 | pid->SetReconstructor(kTRUE); | |
272 | pid->RunPID(esd); | |
f6019cda | 273 | } |
dc293ae9 | 274 |