Ignoring the files produced by the tests
[u/mrichter/AliRoot.git] / EMCAL / AliEMCALReconstructor.cxx
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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
69db97f5 31#include "AliRun.h"
5dee926e 32#include "AliESD.h"
33#include "AliRunLoader.h"
34#include "AliEMCALLoader.h"
98e9578e 35#include "AliEMCALRawUtils.h"
f6019cda 36#include "AliEMCALClusterizerv1.h"
5dee926e 37#include "AliEMCALRecPoint.h"
dc293ae9 38#include "AliEMCALPID.h"
0964c2e9 39#include "AliEMCALTrigger.h"
1d59832c 40#include "AliRawReader.h"
41
f6019cda 42
43ClassImp(AliEMCALReconstructor)
44
45//____________________________________________________________________________
18a21c7c 46AliEMCALReconstructor::AliEMCALReconstructor()
47 : fDebug(kFALSE)
f6019cda 48{
49 // ctor
f6019cda 50}
51
0a4cb131 52//____________________________________________________________________________
18a21c7c 53AliEMCALReconstructor::AliEMCALReconstructor(const AliEMCALReconstructor & rec)
54 : AliReconstructor(rec),
55 fDebug(rec.fDebug)
0a4cb131 56{
57 //copy ctor
0a4cb131 58}
f6019cda 59
60//____________________________________________________________________________
61AliEMCALReconstructor::~AliEMCALReconstructor()
62{
63 // dtor
64}
65
66//____________________________________________________________________________
67void AliEMCALReconstructor::Reconstruct(AliRunLoader* runLoader) const
68{
69 // method called by AliReconstruction;
70 // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track
71 // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by
72 // the global tracking.
73
74 TString headerFile(runLoader->GetFileName()) ;
b4975670 75 TString branchName(runLoader->GetEventFolder()->GetName() ) ;
f6019cda 76
77 AliEMCALClusterizerv1 clu(headerFile, branchName);
98e9578e 78 AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(runLoader->GetDetectorLoader("EMCAL"));
79
80 Int_t nEvents = runLoader->GetNumberOfEvents();
81 runLoader->LoadDigits("EMCAL");
82 for (Int_t ievent = 0; ievent < nEvents; ievent++) {
83 runLoader->GetEvent(ievent);
84 if ( Debug() )
85 clu.ExecuteTask("deb all") ;
86 else
87 clu.ExecuteTask("pseudo") ;
88 }
89 // Unload the Digits and RecPoints
90 emcalLoader->UnloadDigits() ;
91 emcalLoader->UnloadRecPoints() ;
f6019cda 92}
93
94//____________________________________________________________________________
98e9578e 95void AliEMCALReconstructor::Reconstruct(AliRunLoader* runLoader, AliRawReader* rawReader) const
96
a68156e6 97{
98e9578e 98 // Reconstruction loop for Raw Data processing
99 //
100 // Only the clusterization is performed
101 // Track-cluster matching is done in FillESD because the track
102 // segment maker needs access to the AliESD object to retrieve
103 // the tracks reconstructed by the global tracking.
a68156e6 104
a68156e6 105 TString headerFile(runLoader->GetFileName()) ;
106 TString branchName(runLoader->GetEventFolder()->GetName()) ;
85c60a8e 107
98e9578e 108 static AliEMCALRawUtils rawUtils;
a68156e6 109 AliEMCALClusterizerv1 clu(headerFile, branchName);
98e9578e 110 AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(runLoader->GetDetectorLoader("EMCAL"));
111
112 Int_t iEvent = 0;
113 rawReader->Reset() ;
114 while (rawReader->NextEvent()) {
115 runLoader->GetEvent(iEvent++);
116
117 rawUtils.Raw2Digits(rawReader);
118
119 if ( Debug() )
120 clu.ExecuteTask("deb pseudo all") ;
121 else
122 clu.ExecuteTask("pseudo") ;
123 // Unload the RecPoints
124 emcalLoader->UnloadRecPoints() ;
125 }
a68156e6 126}
127
128//____________________________________________________________________________
f6019cda 129void AliEMCALReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const
130{
98e9578e 131 // Called by AliReconstruct after Reconstruct() and global tracking and vertexing
132 const double timeScale = 1.e+11; // transition constant from sec to 0.01 ns
92da3372 133
b4975670 134 Int_t eventNumber = runLoader->GetEventNumber() ;
135
85c60a8e 136 // Creates AliESDCaloCluster from AliEMCALRecPoints
98e9578e 137 AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(runLoader->GetDetectorLoader("EMCAL"));
138 runLoader->LoadRecPoints("EMCAL");
139 runLoader->GetEvent(eventNumber);
5dee926e 140 TObjArray *clusters = emcalLoader->RecPoints();
a7a5421e 141 Int_t nClusters = clusters->GetEntries(), nClustersNew=0;
98e9578e 142 AliDebug(1,Form("Event %d: %d clusters",eventNumber,nClusters));
5d9e7bd7 143 // Int_t nRP=0, nPC=0; // in input
a7a5421e 144 esd->SetFirstEMCALCluster(esd->GetNumberOfCaloClusters()); // Put after Phos clusters
92da3372 145
0964c2e9 146 //#########Calculate trigger and set trigger info###########
147
148 AliEMCALTrigger tr ;
149 // tr.SetPatchSize(1);//create 4x4 patches
150 tr.Trigger();
151
152 Float_t maxAmp2x2 = tr.Get2x2MaxAmplitude();
153 Float_t maxAmpnxn = tr.GetnxnMaxAmplitude();
154 Float_t ampOutOfPatch2x2 = tr.Get2x2AmpOutOfPatch() ;
155 Float_t ampOutOfPatchnxn = tr.GetnxnAmpOutOfPatch() ;
156
98e9578e 157 AliEMCALGeometry * geom = 0;
158 if (runLoader->GetAliRun() && runLoader->GetAliRun()->GetDetector("EMCAL"))
159 geom = dynamic_cast<AliEMCAL*>(runLoader->GetAliRun()->GetDetector("EMCAL"))->GetGeometry();
160 if (geom == 0)
161 geom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaulGeometryName());
162
0964c2e9 163 Int_t iSM2x2 = tr.Get2x2SuperModule();
164 Int_t iSMnxn = tr.GetnxnSuperModule();
165 Int_t iCellPhi2x2 = tr.Get2x2CellPhi();
166 Int_t iCellPhinxn = tr.GetnxnCellPhi();
167 Int_t iCellEta2x2 = tr.Get2x2CellEta();
168 Int_t iCellEtanxn = tr.GetnxnCellEta();
169
170 AliDebug(2, Form("Trigger 2x2 max amp %f, out amp %f, SM %d, iphi %d ieta %d", maxAmp2x2, ampOutOfPatch2x2, iSM2x2,iCellPhi2x2, iCellEta2x2));
171 AliDebug(2, Form("Trigger 4x4 max amp %f , out amp %f, SM %d, iphi %d, ieta %d", maxAmpnxn, ampOutOfPatchnxn, iSMnxn,iCellPhinxn, iCellEtanxn));
172
173 TVector3 pos2x2(-1,-1,-1);
174 TVector3 posnxn(-1,-1,-1);
175
176 Int_t iAbsId2x2 = geom->GetAbsCellIdFromCellIndexes( iSM2x2, iCellPhi2x2, iCellEta2x2) ;
177 Int_t iAbsIdnxn = geom->GetAbsCellIdFromCellIndexes( iSMnxn, iCellPhinxn, iCellEtanxn) ;
178 geom->GetGlobal(iAbsId2x2, pos2x2);
179 geom->GetGlobal(iAbsIdnxn, posnxn);
180
181 TArrayF triggerPosition(6);
182 triggerPosition[0] = pos2x2(0) ;
183 triggerPosition[1] = pos2x2(1) ;
184 triggerPosition[2] = pos2x2(2) ;
185 triggerPosition[3] = posnxn(0) ;
186 triggerPosition[4] = posnxn(1) ;
187 triggerPosition[5] = posnxn(2) ;
188
189 TArrayF triggerAmplitudes(4);
190 triggerAmplitudes[0] = maxAmp2x2 ;
191 triggerAmplitudes[1] = ampOutOfPatch2x2 ;
192 triggerAmplitudes[2] = maxAmpnxn ;
193 triggerAmplitudes[3] = ampOutOfPatchnxn ;
194
195 esd->AddEMCALTriggerPosition(triggerPosition);
196 esd->AddEMCALTriggerAmplitudes(triggerAmplitudes);
197
198 //######################################
199
200 //Fill CaloClusters
201
5dee926e 202 for (Int_t iClust = 0 ; iClust < nClusters ; iClust++) {
203 const AliEMCALRecPoint * clust = emcalLoader->RecPoint(iClust);
5d9e7bd7 204 //if(clust->GetClusterType()== AliESDCaloCluster::kClusterv1) nRP++; else nPC++;
85c60a8e 205 if (Debug()) clust->Print();
a7a5421e 206 // Get information from EMCAL reconstruction points
85c60a8e 207 Float_t xyz[3];
5dee926e 208 TVector3 gpos;
209 clust->GetGlobalPosition(gpos);
f6019cda 210 for (Int_t ixyz=0; ixyz<3; ixyz++)
5dee926e 211 xyz[ixyz] = gpos[ixyz];
92da3372 212
85c60a8e 213 Int_t digitMult = clust->GetMultiplicity();
214 UShort_t *amplList = new UShort_t[digitMult];
215 UShort_t *timeList = new UShort_t[digitMult];
216 UShort_t *digiList = new UShort_t[digitMult];
217 Float_t *amplFloat = clust->GetEnergiesList();
218 Float_t *timeFloat = clust->GetTimeList();
219 Int_t *digitInts = clust->GetAbsId();
8a11aef1 220 Float_t elipAxis[2];
92da3372 221 clust->GetElipsAxis(elipAxis);
85c60a8e 222
a7a5421e 223 // Convert Float_t* and Int_t* to UShort_t* to save memory
224 // Problem : we should recalculate a cluster characteristics when discard digit(s)
f1487f22 225 Int_t newdigitMult = 0;
92da3372 226 for (Int_t iDigit=0; iDigit<digitMult; iDigit++) {
98e9578e 227 if (amplFloat[iDigit] > 0) {
a7a5421e 228 amplList[newdigitMult] = (UShort_t)(amplFloat[iDigit]*500);
98e9578e 229 // Time in units of 0.01 ns = 10 ps
230 if(timeFloat[iDigit] < 65536./timeScale)
231 timeList[newdigitMult] = (UShort_t)(timeFloat[iDigit]*timeScale);
232 else
233 timeList[newdigitMult] = 65535;
234 digiList[newdigitMult] = (UShort_t)(digitInts[iDigit]);
235 newdigitMult++;
92da3372 236 }
98e9578e 237 else if (clust->GetClusterType() != AliESDCaloCluster::kPseudoCluster)
238 Warning("FillESD()","Negative or 0 digit amplitude in cluster");
92da3372 239 }
a7a5421e 240
241 if(newdigitMult > 0) { // accept cluster if it has some digit
242 nClustersNew++;
243 if(newdigitMult != digitMult) { // some digits were deleted
244 UShort_t *amplListNew = new UShort_t[newdigitMult];
245 UShort_t *timeListNew = new UShort_t[newdigitMult];
246 UShort_t *digiListNew = new UShort_t[newdigitMult];
247 for (Int_t iDigit=0; iDigit<newdigitMult; iDigit++) {
248 amplListNew[iDigit] = amplList[iDigit];
249 timeListNew[iDigit] = timeList[iDigit];
250 digiListNew[iDigit] = digiList[iDigit];
251 }
252
253 delete [] amplList;
254 delete [] timeList;
255 delete [] digiList;
256
257 amplList = amplListNew;
258 timeList = timeListNew;
259 digiList = digiListNew;
260 }
65721814 261
262 //Primaries
263 Int_t primMult = 0;
264 Int_t *primInts = clust->GetPrimaries(primMult);
265 UShort_t *primList = new UShort_t[primMult];
266 for (Int_t ipr=0; ipr<primMult; ipr++)
267 primList[ipr] = (UShort_t)(primInts[ipr]);
268
269
a7a5421e 270 // fills the ESDCaloCluster
271 AliESDCaloCluster * ec = new AliESDCaloCluster() ;
69db97f5 272 ec->SetEMCAL(kTRUE);
a7a5421e 273 ec->SetClusterType(clust->GetClusterType());
98e9578e 274 ec->SetGlobalPosition(xyz);
275 ec->SetClusterEnergy(clust->GetEnergy());
276
a7a5421e 277 ec->SetNumberOfDigits(newdigitMult);
278 ec->SetDigitAmplitude(amplList); //energies
279 ec->SetDigitTime(timeList); //times
280 ec->SetDigitIndex(digiList); //indices
281 if(clust->GetClusterType()== AliESDCaloCluster::kClusterv1){
65721814 282 ec->SetPrimaryIndex(clust->GetPrimaryIndex());
283 ec->SetNumberOfPrimaries(primMult); //primary multiplicity
284 ec->SetListOfPrimaries(primList); //primary List for a cluster
a7a5421e 285 ec->SetClusterDisp(clust->GetDispersion());
286 ec->SetClusterChi2(-1); //not yet implemented
287 ec->SetM02(elipAxis[0]*elipAxis[0]) ;
288 ec->SetM20(elipAxis[1]*elipAxis[1]) ;
289 ec->SetM11(-1) ; //not yet implemented
a7a5421e 290 }
85c60a8e 291 // add the cluster to the esd object
a7a5421e 292 esd->AddCaloCluster(ec);
293 delete ec;
294 } else { // no new ESD cluster
295 delete [] amplList;
296 delete [] timeList;
297 delete [] digiList;
298 }
299 } // cycle on clusters
300 esd->SetNumberOfEMCALClusters(nClustersNew);
5d9e7bd7 301 //if(nClustersNew != nClusters)
302 //printf(" ##### nClusters %i -> new %i ##### \n", nClusters, nClustersNew );
dc293ae9 303
dc293ae9 304 //Fill ESDCaloCluster with PID weights
dc293ae9 305 AliEMCALPID *pid = new AliEMCALPID;
306 //pid->SetPrintInfo(kTRUE);
307 pid->SetReconstructor(kTRUE);
308 pid->RunPID(esd);
f6019cda 309}
dc293ae9 310
98e9578e 311