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1d1ea3ce | 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 | // Add the muon tracks to the generic AOD track branch during the | |
17 | // filtering of the ESD - R. Arnaldi 5/5/08 | |
aba11173 | 18 | |
1d1ea3ce | 19 | #include <TChain.h> |
20 | #include <TFile.h> | |
fc3a4c45 | 21 | #include <TParticle.h> |
1d1ea3ce | 22 | |
23 | #include "AliAnalysisTaskESDMuonFilter.h" | |
24 | #include "AliAnalysisManager.h" | |
25 | #include "AliESDEvent.h" | |
26 | #include "AliAODEvent.h" | |
27 | #include "AliESDInputHandler.h" | |
28 | #include "AliAODHandler.h" | |
29 | #include "AliAnalysisFilter.h" | |
30 | #include "AliESDtrack.h" | |
31 | #include "AliESDMuonTrack.h" | |
32 | #include "AliESDVertex.h" | |
33 | #include "AliMultiplicity.h" | |
34 | #include "AliLog.h" | |
fc3a4c45 | 35 | #include "AliStack.h" |
36 | #include "AliMCEvent.h" | |
37 | #include "AliMCEventHandler.h" | |
38 | #include "AliAODMCParticle.h" | |
866d8d78 | 39 | #include "AliAODDimuon.h" |
1d1ea3ce | 40 | |
41 | ClassImp(AliAnalysisTaskESDMuonFilter) | |
42 | ||
43 | //////////////////////////////////////////////////////////////////////// | |
44 | ||
45 | AliAnalysisTaskESDMuonFilter::AliAnalysisTaskESDMuonFilter(): | |
aba11173 | 46 | AliAnalysisTaskSE(), |
f785fc59 | 47 | fTrackFilter(0x0), |
4a497116 | 48 | fEnableMuonAOD(kFALSE), |
49 | fEnableDimuonAOD(kFALSE) | |
1d1ea3ce | 50 | { |
51 | // Default constructor | |
52 | } | |
53 | ||
54 | AliAnalysisTaskESDMuonFilter::AliAnalysisTaskESDMuonFilter(const char* name): | |
aba11173 | 55 | AliAnalysisTaskSE(name), |
f785fc59 | 56 | fTrackFilter(0x0), |
4a497116 | 57 | fEnableMuonAOD(kFALSE), |
58 | fEnableDimuonAOD(kFALSE) | |
1d1ea3ce | 59 | { |
60 | // Constructor | |
61 | } | |
62 | ||
63 | void AliAnalysisTaskESDMuonFilter::UserCreateOutputObjects() | |
64 | { | |
65 | // Create the output container | |
aba11173 | 66 | if (fTrackFilter) OutputTree()->GetUserInfo()->Add(fTrackFilter); |
1d1ea3ce | 67 | } |
68 | ||
69 | void AliAnalysisTaskESDMuonFilter::Init() | |
70 | { | |
71 | // Initialization | |
aba11173 | 72 | if (fDebug > 1) AliInfo("Init() \n"); |
f785fc59 | 73 | // From Andrei |
74 | AliAODHandler *aodH = (AliAODHandler*)((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler()); | |
75 | if (!aodH) Fatal("UserCreateOutputObjects", "No AOD handler. Aborting."); | |
76 | if(fEnableMuonAOD)aodH->AddFilteredAOD("AliAOD.Muons.root", "MuonEvents"); | |
866d8d78 | 77 | if(fEnableDimuonAOD)aodH->AddFilteredAOD("AliAOD.Dimuons.root", "DimuonEvents"); |
1d1ea3ce | 78 | } |
79 | ||
80 | ||
81 | void AliAnalysisTaskESDMuonFilter::UserExec(Option_t */*option*/) | |
82 | { | |
83 | // Execute analysis for current event | |
84 | Long64_t ientry = Entry(); | |
edee4062 | 85 | if(fDebug)printf("Muon Filter: Analysing event # %5d\n", (Int_t) ientry); |
aba11173 | 86 | |
1d1ea3ce | 87 | ConvertESDtoAOD(); |
88 | } | |
89 | ||
90 | void AliAnalysisTaskESDMuonFilter::ConvertESDtoAOD() | |
91 | { | |
92 | // ESD Muon Filter analysis task executed for each event | |
93 | AliESDEvent* esd = dynamic_cast<AliESDEvent*>(InputEvent()); | |
aba11173 | 94 | |
fc3a4c45 | 95 | // Fetch Stack for debuggging if available |
96 | AliStack *pStack = 0; | |
97 | AliMCEventHandler *mcH = 0; | |
98 | if(MCEvent()){ | |
99 | pStack = MCEvent()->Stack(); | |
100 | mcH = (AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler()); | |
101 | } | |
102 | ||
1d1ea3ce | 103 | // Define arrays for muons |
104 | Double_t pos[3]; | |
105 | Double_t p[3]; | |
106 | Double_t pid[10]; | |
aba11173 | 107 | |
108 | // has to be changed once the muon pid is provided by the ESD | |
a6e0ebfe | 109 | for (Int_t i = 0; i < 10; pid[i++] = 0.) {} |
aba11173 | 110 | pid[AliAODTrack::kMuon]=1.; |
111 | ||
1d1ea3ce | 112 | AliAODHeader* header = AODEvent()->GetHeader(); |
113 | AliAODTrack *aodTrack = 0x0; | |
aba11173 | 114 | AliESDMuonTrack *esdMuTrack = 0x0; |
115 | ||
1d1ea3ce | 116 | // Access to the AOD container of tracks |
117 | TClonesArray &tracks = *(AODEvent()->GetTracks()); | |
118 | Int_t jTracks = header->GetRefMultiplicity(); | |
119 | ||
120 | // Read primary vertex from AOD event | |
aba11173 | 121 | AliAODVertex *primary = AODEvent()->GetPrimaryVertex(); |
edee4062 | 122 | if(fDebug)primary->Print(); |
aba11173 | 123 | |
1d1ea3ce | 124 | // Loop on muon tracks to fill the AOD track branch |
125 | Int_t nMuTracks = esd->GetNumberOfMuonTracks(); | |
866d8d78 | 126 | |
daf100e1 | 127 | for (Int_t iTrack=0; iTrack<nMuTracks; ++iTrack) esd->GetMuonTrack(iTrack)->SetESDEvent(esd); |
aba11173 | 128 | |
129 | // Update number of positive and negative tracks from AOD event (M.G.) | |
1d1ea3ce | 130 | Int_t nPosTracks = header->GetRefMultiplicityPos(); |
131 | Int_t nNegTracks = header->GetRefMultiplicityNeg(); | |
aba11173 | 132 | |
866d8d78 | 133 | // Access to the AOD container of dimuons |
134 | TClonesArray &dimuons = *(AODEvent()->GetDimuons()); | |
135 | AliAODDimuon *aodDimuon = 0x0; | |
136 | ||
f785fc59 | 137 | Bool_t MuonsExist = kFALSE; |
866d8d78 | 138 | Bool_t DimuonsExist = kFALSE; |
866d8d78 | 139 | Int_t nMuons=0; |
29e7e51b | 140 | Int_t nDimuons=0; |
866d8d78 | 141 | Int_t jDimuons=0; |
87ac315c | 142 | Int_t nMuonTrack[10]; |
143 | ||
144 | for(int imuon=0;imuon<10;imuon++) nMuonTrack[imuon]=0; | |
f785fc59 | 145 | |
1d1ea3ce | 146 | for (Int_t nMuTrack = 0; nMuTrack < nMuTracks; ++nMuTrack) { |
aba11173 | 147 | esdMuTrack = esd->GetMuonTrack(nMuTrack); |
148 | ||
149 | if (!esdMuTrack->ContainTrackerData()) continue; | |
daf100e1 | 150 | |
151 | MuonsExist = kTRUE; | |
152 | ||
aba11173 | 153 | UInt_t selectInfo = 0; |
154 | // Track selection | |
155 | if (fTrackFilter) { | |
156 | selectInfo = fTrackFilter->IsSelected(esdMuTrack); | |
157 | if (!selectInfo) { | |
158 | continue; | |
159 | } | |
87ac315c | 160 | } |
aba11173 | 161 | |
162 | p[0] = esdMuTrack->Px(); | |
163 | p[1] = esdMuTrack->Py(); | |
164 | p[2] = esdMuTrack->Pz(); | |
165 | ||
166 | pos[0] = esdMuTrack->GetNonBendingCoor(); | |
167 | pos[1] = esdMuTrack->GetBendingCoor(); | |
168 | pos[2] = esdMuTrack->GetZ(); | |
169 | ||
fc3a4c45 | 170 | if(mcH)mcH->SelectParticle(esdMuTrack->GetLabel()); |
171 | ||
aba11173 | 172 | aodTrack = new(tracks[jTracks++]) AliAODTrack(esdMuTrack->GetUniqueID(), // ID |
2e2d0c44 | 173 | esdMuTrack->GetLabel(), // label |
aba11173 | 174 | p, // momentum |
175 | kTRUE, // cartesian coordinate system | |
176 | pos, // position | |
177 | kFALSE, // isDCA | |
178 | 0x0, // covariance matrix | |
179 | esdMuTrack->Charge(), // charge | |
180 | 0, // ITSClusterMap | |
181 | pid, // pid | |
182 | primary, // primary vertex | |
183 | kFALSE, // used for vertex fit? | |
184 | kFALSE, // used for primary vertex fit? | |
185 | AliAODTrack::kPrimary,// track type | |
186 | selectInfo); | |
187 | ||
188 | aodTrack->SetXYAtDCA(esdMuTrack->GetNonBendingCoorAtDCA(), esdMuTrack->GetBendingCoorAtDCA()); | |
189 | aodTrack->SetPxPyPzAtDCA(esdMuTrack->PxAtDCA(), esdMuTrack->PyAtDCA(), esdMuTrack->PzAtDCA()); | |
f43586f0 | 190 | aodTrack->SetRAtAbsorberEnd(esdMuTrack->GetRAtAbsorberEnd()); |
aba11173 | 191 | aodTrack->ConvertAliPIDtoAODPID(); |
192 | aodTrack->SetChi2perNDF(esdMuTrack->GetChi2() / (2.*esdMuTrack->GetNHit() - 5.)); | |
193 | aodTrack->SetChi2MatchTrigger(esdMuTrack->GetChi2MatchTrigger()); | |
194 | aodTrack->SetHitsPatternInTrigCh(esdMuTrack->GetHitsPatternInTrigCh()); | |
195 | aodTrack->SetMuonClusterMap(esdMuTrack->GetMuonClusterMap()); | |
196 | aodTrack->SetMatchTrigger(esdMuTrack->GetMatchTrigger()); | |
5c15a68b | 197 | aodTrack->Connected(esdMuTrack->IsConnected()); |
aba11173 | 198 | primary->AddDaughter(aodTrack); |
199 | ||
200 | if (esdMuTrack->Charge() > 0) nPosTracks++; | |
201 | else nNegTracks++; | |
866d8d78 | 202 | |
87ac315c | 203 | nMuonTrack[nMuons]= jTracks-1.; |
866d8d78 | 204 | nMuons++; |
87ac315c | 205 | } |
206 | ||
207 | if(nMuons>=2) DimuonsExist = kTRUE; | |
866d8d78 | 208 | if(DimuonsExist) { |
87ac315c | 209 | for(int i=0;i<nMuons;i++){ |
210 | Int_t index0 = nMuonTrack[i]; | |
211 | for(int j=i+1;j<nMuons;j++){ | |
212 | Int_t index1 = nMuonTrack[j]; | |
213 | aodDimuon = new(dimuons[jDimuons++]) AliAODDimuon(tracks.At(index0),tracks.At(index1)); | |
29e7e51b | 214 | nDimuons++; |
87ac315c | 215 | if (fDebug > 1){ |
87ac315c | 216 | AliAODDimuon *dimuon0 = (AliAODDimuon*)dimuons.At(jDimuons-1); |
217 | printf("Dimuon: mass = %f, px=%f, py=%f, pz=%f\n",dimuon0->M(),dimuon0->Px(),dimuon0->Py(),dimuon0->Pz()); | |
218 | AliAODTrack *mu0 = (AliAODTrack*) dimuon0->GetMu(0); | |
219 | AliAODTrack *mu1 = (AliAODTrack*) dimuon0->GetMu(1); | |
220 | printf("Muon0 px=%f py=%f pz=%f\n",mu0->Px(),mu0->Py(),mu0->Pz()); | |
221 | printf("Muon1 px=%f py=%f pz=%f\n",mu1->Px(),mu1->Py(),mu1->Pz()); | |
222 | } | |
223 | } | |
224 | } | |
866d8d78 | 225 | } |
226 | ||
aba11173 | 227 | |
1d1ea3ce | 228 | header->SetRefMultiplicity(jTracks); |
229 | header->SetRefMultiplicityPos(nPosTracks); | |
230 | header->SetRefMultiplicityNeg(nNegTracks); | |
29e7e51b | 231 | header->SetNumberOfMuons(nMuons); |
232 | header->SetNumberOfDimuons(nDimuons); | |
866d8d78 | 233 | |
f785fc59 | 234 | // From Andrei |
235 | if(fEnableMuonAOD && MuonsExist){ | |
236 | AliAODExtension *extMuons = dynamic_cast<AliAODHandler*> | |
237 | ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler())->GetFilteredAOD("AliAOD.Muons.root"); | |
238 | extMuons->SelectEvent(); | |
866d8d78 | 239 | } |
240 | ||
241 | if(fEnableDimuonAOD && DimuonsExist){ | |
242 | AliAODExtension *extDimuons = dynamic_cast<AliAODHandler*> | |
243 | ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler())->GetFilteredAOD("AliAOD.Dimuons.root"); | |
244 | extDimuons->SelectEvent(); | |
f785fc59 | 245 | } |
246 | ||
1d1ea3ce | 247 | } |
248 | ||
249 | void AliAnalysisTaskESDMuonFilter::Terminate(Option_t */*option*/) | |
250 | { | |
aba11173 | 251 | // Terminate analysis |
252 | // | |
253 | if (fDebug > 1) printf("AnalysisESDfilter: Terminate() \n"); | |
1d1ea3ce | 254 | } |
aba11173 | 255 | |
fc3a4c45 | 256 | void AliAnalysisTaskESDMuonFilter::PrintMCInfo(AliStack *pStack,Int_t label){ |
257 | if(!pStack)return; | |
258 | label = TMath::Abs(label); | |
259 | TParticle *part = pStack->Particle(label); | |
260 | Printf("########################"); | |
261 | Printf("%s:%d %d UniqueID %d PDG %d P %3.3f",(char*)__FILE__,__LINE__,label,part->GetUniqueID(),part->GetPdgCode(),part->P()); | |
262 | part->Print(); | |
263 | TParticle* mother = part; | |
264 | Int_t imo = part->GetFirstMother(); | |
265 | Int_t nprim = pStack->GetNprimary(); | |
266 | // while((imo >= nprim) && (mother->GetUniqueID() == 4)) { | |
267 | while((imo >= nprim)) { | |
268 | mother = pStack->Particle(imo); | |
269 | Printf("Mother %s:%d Label %d UniqueID %d PDG %d P %3.3f",(char*)__FILE__,__LINE__,imo,mother->GetUniqueID(),mother->GetPdgCode(),mother->P()); | |
270 | mother->Print(); | |
271 | imo = mother->GetFirstMother(); | |
272 | } | |
273 | Printf("########################"); | |
274 | } |