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d15a28e7 | 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 | ||
b2a60966 | 16 | /* $Id$ */ |
17 | ||
d15a28e7 | 18 | //_________________________________________________________________________ |
a3dfe79c | 19 | //*-- |
dfe0be07 | 20 | //*-- Yves Schutz (SUBATECH) |
21 | // Reconstruction class. Redesigned from the old AliReconstructionner class and | |
22 | // derived from STEER/AliReconstructor. | |
23 | // | |
d15a28e7 | 24 | // --- ROOT system --- |
25 | ||
d15a28e7 | 26 | // --- Standard library --- |
364de5c6 | 27 | |
d15a28e7 | 28 | // --- AliRoot header files --- |
35293055 | 29 | #include "AliESD.h" |
f444a19f | 30 | #include "AliPHOSReconstructor.h" |
7acf6008 | 31 | #include "AliPHOSClusterizerv1.h" |
7acf6008 | 32 | #include "AliPHOSTrackSegmentMakerv1.h" |
33 | #include "AliPHOSPIDv1.h" | |
35293055 | 34 | #include "AliPHOSGetter.h" |
23904d16 | 35 | #include "AliPHOSTracker.h" |
d22dd3b4 | 36 | #include "AliRawReader.h" |
64df000d | 37 | #include "AliPHOSTrigger.h" |
38 | #include "AliPHOSGeometry.h" | |
e957fea8 | 39 | |
f444a19f | 40 | ClassImp(AliPHOSReconstructor) |
d15a28e7 | 41 | |
2e60107f | 42 | Bool_t AliPHOSReconstructor::fgDebug = kFALSE ; |
43 | ||
d15a28e7 | 44 | //____________________________________________________________________________ |
2e60107f | 45 | AliPHOSReconstructor::AliPHOSReconstructor() |
d15a28e7 | 46 | { |
b2a60966 | 47 | // ctor |
0379a13e | 48 | |
6ad0bfa0 | 49 | } |
50 | ||
0379a13e | 51 | //____________________________________________________________________________ |
52 | AliPHOSReconstructor::~AliPHOSReconstructor() | |
53 | { | |
54 | // dtor | |
55 | ||
56 | } | |
7acf6008 | 57 | |
7acf6008 | 58 | //____________________________________________________________________________ |
772634e0 | 59 | void AliPHOSReconstructor::Reconstruct(AliRunLoader* runLoader) const |
35293055 | 60 | { |
dfe0be07 | 61 | // method called by AliReconstruction; |
62 | // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track | |
63 | // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by | |
64 | // the global tracking. | |
65 | ||
66 | TString headerFile(runLoader->GetFileName()) ; | |
9ee4fde2 | 67 | TString branchName(runLoader->GetEventFolder()->GetName()) ; |
a68156e6 | 68 | |
69 | AliPHOSClusterizerv1 clu(headerFile, branchName); | |
70 | clu.SetEventRange(0, -1) ; // do all the events | |
71 | if ( Debug() ) | |
72 | clu.ExecuteTask("deb all") ; | |
73 | else | |
74 | clu.ExecuteTask("") ; | |
75 | ||
76 | } | |
77 | ||
78 | //____________________________________________________________________________ | |
772634e0 | 79 | void AliPHOSReconstructor::Reconstruct(AliRunLoader* runLoader, AliRawReader* rawreader) const |
a68156e6 | 80 | { |
81 | // method called by AliReconstruction; | |
82 | // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track | |
83 | // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by | |
84 | // the global tracking. | |
85 | // Here we reconstruct from Raw Data | |
772634e0 | 86 | |
a68156e6 | 87 | rawreader->Reset() ; |
88 | TString headerFile(runLoader->GetFileName()) ; | |
89 | TString branchName(runLoader->GetEventFolder()->GetName()) ; | |
35293055 | 90 | |
dfe0be07 | 91 | AliPHOSClusterizerv1 clu(headerFile, branchName); |
f88e2313 | 92 | clu.SetEventRange(0, -1) ; // do all the events |
d22dd3b4 | 93 | clu.SetRawReader(rawreader); |
f5eaa851 | 94 | |
95 | TString option = GetOption(); | |
96 | if (option.Contains("OldRCUFormat")) | |
97 | clu.SetOldRCUFormat(kTRUE); | |
98 | ||
dfe0be07 | 99 | if ( Debug() ) |
100 | clu.ExecuteTask("deb all") ; | |
101 | else | |
d22dd3b4 | 102 | clu.ExecuteTask("") ; |
0379a13e | 103 | |
35293055 | 104 | } |
7acf6008 | 105 | |
7acf6008 | 106 | //____________________________________________________________________________ |
dfe0be07 | 107 | void AliPHOSReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const |
7acf6008 | 108 | { |
23904d16 | 109 | // This function creates AliESDtracks from AliPHOSRecParticles |
110 | // and | |
111 | // writes them to the ESD | |
bf72996e | 112 | |
23904d16 | 113 | Int_t eventNumber = runLoader->GetEventNumber() ; |
dfe0be07 | 114 | |
25ed816e | 115 | AliPHOSGetter *gime = AliPHOSGetter::Instance(); |
116 | gime->Event(eventNumber, "DRTP") ; | |
117 | TClonesArray *recParticles = gime->RecParticles(); | |
dfe0be07 | 118 | Int_t nOfRecParticles = recParticles->GetEntries(); |
25ed816e | 119 | |
85c60a8e | 120 | esd->SetNumberOfPHOSClusters(nOfRecParticles) ; |
dd7ee508 | 121 | esd->SetFirstPHOSCluster(esd->GetNumberOfCaloClusters()) ; |
122 | ||
123 | AliDebug(2,Form("%d digits and %d rec. particles in event %d, option %s",gime->Digits()->GetEntries(),nOfRecParticles,eventNumber,GetOption())); | |
8013c27e | 124 | |
64df000d | 125 | |
126 | //#########Calculate trigger and set trigger info########### | |
127 | ||
128 | AliPHOSTrigger tr ; | |
129 | // tr.SetPatchSize(1);//create 4x4 patches | |
130 | tr.Trigger(); | |
131 | ||
132 | Float_t maxAmp2x2 = tr.Get2x2MaxAmplitude(); | |
133 | Float_t maxAmpnxn = tr.GetnxnMaxAmplitude(); | |
134 | Float_t ampOutOfPatch2x2 = tr.Get2x2AmpOutOfPatch() ; | |
135 | Float_t ampOutOfPatchnxn = tr.GetnxnAmpOutOfPatch() ; | |
136 | ||
137 | AliPHOSGeometry * geom = gime->PHOSGeometry(); | |
138 | ||
139 | Int_t iSM2x2 = tr.Get2x2SuperModule(); | |
140 | Int_t iSMnxn = tr.GetnxnSuperModule(); | |
141 | Int_t iCrystalPhi2x2 = tr.Get2x2CrystalPhi(); | |
142 | Int_t iCrystalPhinxn = tr.GetnxnCrystalPhi(); | |
143 | Int_t iCrystalEta2x2 = tr.Get2x2CrystalEta(); | |
144 | Int_t iCrystalEtanxn = tr.GetnxnCrystalEta(); | |
145 | ||
146 | AliDebug(2, Form("Trigger 2x2 max amp %f, out amp %f, SM %d, iphi %d ieta %d", maxAmp2x2, ampOutOfPatch2x2, iSM2x2,iCrystalPhi2x2, iCrystalEta2x2)); | |
147 | AliDebug(2, Form("Trigger 4x4 max amp %f , out amp %f, SM %d, iphi %d, ieta %d", maxAmpnxn, ampOutOfPatchnxn, iSMnxn,iCrystalPhinxn, iCrystalEtanxn)); | |
148 | ||
24b8fcca | 149 | Int_t iRelId2x2 []= {iSM2x2+1,0,iCrystalPhi2x2,iCrystalEta2x2};// PHOS modules in order to calculate AbsId need to be 1-5 not 0-4 as returns trigger. |
64df000d | 150 | Int_t iAbsId2x2 =-1; |
24b8fcca | 151 | Int_t iRelIdnxn []= {iSMnxn+1,0,iCrystalPhinxn,iCrystalEtanxn};// PHOS modules in order to calculate AbsId need to be 1-5 not 0-4 as returns trigger. |
64df000d | 152 | Int_t iAbsIdnxn =-1; |
153 | TVector3 pos2x2(-1,-1,-1); | |
154 | TVector3 posnxn(-1,-1,-1); | |
155 | geom->RelToAbsNumbering(iRelId2x2, iAbsId2x2); | |
156 | geom->RelToAbsNumbering(iRelIdnxn, iAbsIdnxn); | |
157 | geom->RelPosInAlice(iAbsId2x2, pos2x2); | |
158 | geom->RelPosInAlice(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->SetPHOSTriggerCells(triggerPosition); | |
175 | esd->AddPHOSTriggerPosition(triggerPosition); | |
176 | esd->AddPHOSTriggerAmplitudes(triggerAmplitudes); | |
177 | ||
178 | //###################################### | |
179 | ||
180 | //Fill CaloClusters | |
dfe0be07 | 181 | for (Int_t recpart = 0 ; recpart < nOfRecParticles ; recpart++) { |
182 | AliPHOSRecParticle * rp = dynamic_cast<AliPHOSRecParticle*>(recParticles->At(recpart)); | |
183 | if (Debug()) | |
184 | rp->Print(); | |
25ed816e | 185 | // Get track segment and EMC rec.point associated with this rec.particle |
186 | AliPHOSTrackSegment *ts = gime->TrackSegment(rp->GetPHOSTSIndex()); | |
187 | AliPHOSEmcRecPoint *emcRP = gime->EmcRecPoint(ts->GetEmcIndex()); | |
188 | AliESDCaloCluster *ec = new AliESDCaloCluster() ; | |
189 | ||
64df000d | 190 | // fills the ESDCaloCluster |
85c60a8e | 191 | Float_t xyz[3]; |
8013c27e | 192 | for (Int_t ixyz=0; ixyz<3; ixyz++) |
193 | xyz[ixyz] = rp->GetPos()[ixyz]; | |
dd7ee508 | 194 | |
195 | AliDebug(2,Form("Global position xyz=(%f,%f,%f)",xyz[0],xyz[1],xyz[2])); | |
196 | ||
64df000d | 197 | |
25ed816e | 198 | Int_t digitMult = emcRP->GetDigitsMultiplicity(); |
199 | Int_t *digitsList = emcRP->GetDigitsList(); | |
200 | UShort_t *amplList = new UShort_t[digitMult]; | |
201 | UShort_t *timeList = new UShort_t[digitMult]; | |
202 | UShort_t *digiList = new UShort_t[digitMult]; | |
203 | ||
204 | // Convert Float_t* and Int_t* to UShort_t* to save memory | |
205 | for (Int_t iDigit=0; iDigit<digitMult; iDigit++) { | |
206 | AliPHOSDigit *digit = gime->Digit(digitsList[iDigit]); | |
ae3e6f29 | 207 | amplList[iDigit] = (UShort_t)(digit->GetEnergy()*500); // Energy in units of GeV/500 |
208 | timeList[iDigit] = (UShort_t)(digit->GetTime()*1e9*100); // time in units of 0.01 ns | |
25ed816e | 209 | digiList[iDigit] = (UShort_t)(digit->GetId()); |
210 | } | |
34541ea2 | 211 | |
212 | ec->SetPHOS(kTRUE); | |
25ed816e | 213 | ec->SetGlobalPosition(xyz); //rec.point position in MARS |
214 | ec->SetClusterEnergy(rp->Energy()); //total particle energy | |
215 | ec->SetClusterDisp(emcRP->GetDispersion()); //cluster dispersion | |
216 | ec->SetPid (rp->GetPID()) ; //array of particle identification | |
25ed816e | 217 | ec->SetM02(emcRP->GetM2x()) ; //second moment M2x |
218 | ec->SetM20(emcRP->GetM2z()) ; //second moment M2z | |
219 | ec->SetNExMax(emcRP->GetNExMax()); //number of local maxima | |
220 | ec->SetNumberOfDigits(digitMult); //digit multiplicity | |
221 | ec->SetDigitAmplitude(amplList); //energies in 1/500 of GeV | |
222 | ec->SetDigitTime(timeList); //times in 1/100 on ns | |
223 | ec->SetDigitIndex(digiList); //abs id of the cell | |
224 | ec->SetEmcCpvDistance(-1); //not yet implemented | |
225 | ec->SetClusterChi2(-1); //not yet implemented | |
226 | ec->SetM11(-1) ; //not yet implemented | |
227 | ||
64df000d | 228 | //Primaries |
229 | ec->SetPrimaryIndex(rp->GetPrimaryIndex()); | |
230 | Int_t primMult = 0; | |
231 | Int_t *primInts = emcRP->GetPrimaries(primMult); | |
232 | ec->SetNumberOfPrimaries(primMult); //primary multiplicity | |
233 | UShort_t *primList = new UShort_t[primMult]; | |
234 | for (Int_t ipr=0; ipr<primMult; ipr++) | |
235 | primList[ipr] = (UShort_t)(primInts[ipr]); | |
236 | ec->SetListOfPrimaries(primList); //primary List for a cluster | |
237 | ||
dfe0be07 | 238 | // add the track to the esd object |
85c60a8e | 239 | esd->AddCaloCluster(ec); |
dd7ee508 | 240 | delete ec; |
241 | } | |
242 | } | |
243 | ||
34541ea2 | 244 | //____________________________________________________________________________ |
dd7ee508 | 245 | void AliPHOSReconstructor::FillESD(AliRunLoader* runLoader, |
246 | AliRawReader* rawReader, AliESD* esd) const | |
247 | { | |
248 | //This function creates AliESDtracks from AliPHOSRecParticles | |
249 | //and writes them to the ESD in the case of raw data reconstruction. | |
250 | ||
251 | Int_t eventNumber = runLoader->GetEventNumber() ; | |
252 | ||
dd7ee508 | 253 | AliPHOSGetter *gime = AliPHOSGetter::Instance(); |
cbddd97f | 254 | gime->Event(eventNumber, "DRTP") ; |
dd7ee508 | 255 | |
256 | TClonesArray *recParticles = gime->RecParticles(); | |
257 | Int_t nOfRecParticles = recParticles->GetEntries(); | |
258 | ||
259 | esd->SetNumberOfPHOSClusters(nOfRecParticles) ; | |
260 | esd->SetFirstPHOSCluster(esd->GetNumberOfCaloClusters()) ; | |
261 | ||
262 | AliDebug(2,Form("%d digits and %d rec. particles in event %d, option %s",gime->Digits()->GetEntries(),nOfRecParticles,eventNumber,GetOption())); | |
263 | ||
264 | for (Int_t recpart = 0 ; recpart < nOfRecParticles ; recpart++) { | |
265 | AliPHOSRecParticle * rp = dynamic_cast<AliPHOSRecParticle*>(recParticles->At(recpart)); | |
266 | ||
267 | if(rp) { | |
268 | Float_t xyz[3]; | |
269 | for (Int_t ixyz=0; ixyz<3; ixyz++) | |
270 | xyz[ixyz] = rp->GetPos()[ixyz]; | |
271 | ||
272 | AliDebug(2,Form("Global position xyz=(%f,%f,%f)",xyz[0],xyz[1],xyz[2])); | |
273 | ||
274 | AliPHOSTrackSegment *ts = gime->TrackSegment(rp->GetPHOSTSIndex()); | |
275 | AliPHOSEmcRecPoint *emcRP = gime->EmcRecPoint(ts->GetEmcIndex()); | |
276 | AliESDCaloCluster *ec = new AliESDCaloCluster() ; | |
277 | ||
278 | Int_t digitMult = emcRP->GetDigitsMultiplicity(); | |
279 | Int_t *digitsList = emcRP->GetDigitsList(); | |
280 | UShort_t *amplList = new UShort_t[digitMult]; | |
281 | UShort_t *digiList = new UShort_t[digitMult]; | |
282 | ||
283 | // Convert Float_t* and Int_t* to UShort_t* to save memory | |
284 | for (Int_t iDigit=0; iDigit<digitMult; iDigit++) { | |
285 | AliPHOSDigit *digit = gime->Digit(digitsList[iDigit]); | |
286 | if(!digit) { | |
287 | AliFatal(Form("Digit not found at the expected position %d!",iDigit)); | |
288 | } | |
289 | else { | |
cbddd97f | 290 | amplList[iDigit] = (UShort_t)digit->GetEnergy(); |
dd7ee508 | 291 | digiList[iDigit] = (UShort_t)(digit->GetId()); |
292 | } | |
293 | } | |
294 | ||
34541ea2 | 295 | ec->SetPHOS(kTRUE); |
dd7ee508 | 296 | ec->SetGlobalPosition(xyz); //rec.point position in MARS |
297 | ec->SetClusterEnergy(rp->Energy()); //total particle energy | |
298 | ec->SetClusterDisp(emcRP->GetDispersion()); //cluster dispersion | |
299 | ec->SetPid (rp->GetPID()) ; //array of particle identification | |
300 | ec->SetM02(emcRP->GetM2x()) ; //second moment M2x | |
301 | ec->SetM20(emcRP->GetM2z()) ; //second moment M2z | |
302 | ec->SetNExMax(emcRP->GetNExMax()); //number of local maxima | |
303 | ec->SetNumberOfDigits(digitMult); //digit multiplicity | |
cbddd97f | 304 | ec->SetDigitAmplitude(amplList); //digit energies |
dd7ee508 | 305 | ec->SetDigitIndex(digiList); //abs id of the cell |
306 | ec->SetEmcCpvDistance(-1); //not yet implemented | |
307 | ec->SetClusterChi2(-1); //not yet implemented | |
308 | ec->SetM11(-1) ; //not yet implemented | |
309 | ||
310 | // add the track to the esd object | |
311 | esd->AddCaloCluster(ec); | |
312 | delete ec; | |
313 | ||
314 | } | |
315 | } | |
316 | ||
317 | ||
d7d3b67b | 318 | } |
23904d16 | 319 | |
320 | AliTracker* AliPHOSReconstructor::CreateTracker(AliRunLoader* runLoader) const | |
321 | { | |
322 | // creates the PHOS tracker | |
323 | if (!runLoader) return NULL; | |
324 | return new AliPHOSTracker(runLoader); | |
325 | } | |
326 |