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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" | |
1d1ea3ce | 39 | |
40 | ClassImp(AliAnalysisTaskESDMuonFilter) | |
41 | ||
42 | //////////////////////////////////////////////////////////////////////// | |
43 | ||
44 | AliAnalysisTaskESDMuonFilter::AliAnalysisTaskESDMuonFilter(): | |
aba11173 | 45 | AliAnalysisTaskSE(), |
46 | fTrackFilter(0x0) | |
1d1ea3ce | 47 | { |
48 | // Default constructor | |
49 | } | |
50 | ||
51 | AliAnalysisTaskESDMuonFilter::AliAnalysisTaskESDMuonFilter(const char* name): | |
aba11173 | 52 | AliAnalysisTaskSE(name), |
53 | fTrackFilter(0x0) | |
1d1ea3ce | 54 | { |
55 | // Constructor | |
56 | } | |
57 | ||
58 | void AliAnalysisTaskESDMuonFilter::UserCreateOutputObjects() | |
59 | { | |
60 | // Create the output container | |
aba11173 | 61 | if (fTrackFilter) OutputTree()->GetUserInfo()->Add(fTrackFilter); |
1d1ea3ce | 62 | } |
63 | ||
64 | void AliAnalysisTaskESDMuonFilter::Init() | |
65 | { | |
66 | // Initialization | |
aba11173 | 67 | if (fDebug > 1) AliInfo("Init() \n"); |
1d1ea3ce | 68 | } |
69 | ||
70 | ||
71 | void AliAnalysisTaskESDMuonFilter::UserExec(Option_t */*option*/) | |
72 | { | |
73 | // Execute analysis for current event | |
74 | Long64_t ientry = Entry(); | |
edee4062 | 75 | if(fDebug)printf("Muon Filter: Analysing event # %5d\n", (Int_t) ientry); |
aba11173 | 76 | |
1d1ea3ce | 77 | ConvertESDtoAOD(); |
78 | } | |
79 | ||
80 | void AliAnalysisTaskESDMuonFilter::ConvertESDtoAOD() | |
81 | { | |
82 | // ESD Muon Filter analysis task executed for each event | |
83 | AliESDEvent* esd = dynamic_cast<AliESDEvent*>(InputEvent()); | |
aba11173 | 84 | |
fc3a4c45 | 85 | // Fetch Stack for debuggging if available |
86 | AliStack *pStack = 0; | |
87 | AliMCEventHandler *mcH = 0; | |
88 | if(MCEvent()){ | |
89 | pStack = MCEvent()->Stack(); | |
90 | mcH = (AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler()); | |
91 | } | |
92 | ||
1d1ea3ce | 93 | // Define arrays for muons |
94 | Double_t pos[3]; | |
95 | Double_t p[3]; | |
96 | Double_t pid[10]; | |
aba11173 | 97 | |
98 | // has to be changed once the muon pid is provided by the ESD | |
a6e0ebfe | 99 | for (Int_t i = 0; i < 10; pid[i++] = 0.) {} |
aba11173 | 100 | pid[AliAODTrack::kMuon]=1.; |
101 | ||
1d1ea3ce | 102 | AliAODHeader* header = AODEvent()->GetHeader(); |
103 | AliAODTrack *aodTrack = 0x0; | |
aba11173 | 104 | AliESDMuonTrack *esdMuTrack = 0x0; |
105 | ||
1d1ea3ce | 106 | // Access to the AOD container of tracks |
107 | TClonesArray &tracks = *(AODEvent()->GetTracks()); | |
108 | Int_t jTracks = header->GetRefMultiplicity(); | |
109 | ||
110 | // Read primary vertex from AOD event | |
aba11173 | 111 | AliAODVertex *primary = AODEvent()->GetPrimaryVertex(); |
edee4062 | 112 | if(fDebug)primary->Print(); |
aba11173 | 113 | |
1d1ea3ce | 114 | // Loop on muon tracks to fill the AOD track branch |
115 | Int_t nMuTracks = esd->GetNumberOfMuonTracks(); | |
aba11173 | 116 | |
117 | // Update number of positive and negative tracks from AOD event (M.G.) | |
1d1ea3ce | 118 | Int_t nPosTracks = header->GetRefMultiplicityPos(); |
119 | Int_t nNegTracks = header->GetRefMultiplicityNeg(); | |
aba11173 | 120 | |
1d1ea3ce | 121 | for (Int_t nMuTrack = 0; nMuTrack < nMuTracks; ++nMuTrack) { |
aba11173 | 122 | esdMuTrack = esd->GetMuonTrack(nMuTrack); |
123 | ||
124 | if (!esdMuTrack->ContainTrackerData()) continue; | |
125 | ||
126 | UInt_t selectInfo = 0; | |
127 | // Track selection | |
128 | if (fTrackFilter) { | |
129 | selectInfo = fTrackFilter->IsSelected(esdMuTrack); | |
130 | if (!selectInfo) { | |
131 | continue; | |
132 | } | |
133 | } | |
134 | ||
135 | p[0] = esdMuTrack->Px(); | |
136 | p[1] = esdMuTrack->Py(); | |
137 | p[2] = esdMuTrack->Pz(); | |
138 | ||
139 | pos[0] = esdMuTrack->GetNonBendingCoor(); | |
140 | pos[1] = esdMuTrack->GetBendingCoor(); | |
141 | pos[2] = esdMuTrack->GetZ(); | |
142 | ||
fc3a4c45 | 143 | if(mcH)mcH->SelectParticle(esdMuTrack->GetLabel()); |
144 | ||
aba11173 | 145 | aodTrack = new(tracks[jTracks++]) AliAODTrack(esdMuTrack->GetUniqueID(), // ID |
2e2d0c44 | 146 | esdMuTrack->GetLabel(), // label |
aba11173 | 147 | p, // momentum |
148 | kTRUE, // cartesian coordinate system | |
149 | pos, // position | |
150 | kFALSE, // isDCA | |
151 | 0x0, // covariance matrix | |
152 | esdMuTrack->Charge(), // charge | |
153 | 0, // ITSClusterMap | |
154 | pid, // pid | |
155 | primary, // primary vertex | |
156 | kFALSE, // used for vertex fit? | |
157 | kFALSE, // used for primary vertex fit? | |
158 | AliAODTrack::kPrimary,// track type | |
159 | selectInfo); | |
160 | ||
161 | aodTrack->SetXYAtDCA(esdMuTrack->GetNonBendingCoorAtDCA(), esdMuTrack->GetBendingCoorAtDCA()); | |
162 | aodTrack->SetPxPyPzAtDCA(esdMuTrack->PxAtDCA(), esdMuTrack->PyAtDCA(), esdMuTrack->PzAtDCA()); | |
163 | aodTrack->ConvertAliPIDtoAODPID(); | |
164 | aodTrack->SetChi2perNDF(esdMuTrack->GetChi2() / (2.*esdMuTrack->GetNHit() - 5.)); | |
165 | aodTrack->SetChi2MatchTrigger(esdMuTrack->GetChi2MatchTrigger()); | |
166 | aodTrack->SetHitsPatternInTrigCh(esdMuTrack->GetHitsPatternInTrigCh()); | |
167 | aodTrack->SetMuonClusterMap(esdMuTrack->GetMuonClusterMap()); | |
168 | aodTrack->SetMatchTrigger(esdMuTrack->GetMatchTrigger()); | |
169 | ||
170 | primary->AddDaughter(aodTrack); | |
171 | ||
172 | if (esdMuTrack->Charge() > 0) nPosTracks++; | |
173 | else nNegTracks++; | |
174 | } | |
175 | ||
1d1ea3ce | 176 | header->SetRefMultiplicity(jTracks); |
177 | header->SetRefMultiplicityPos(nPosTracks); | |
178 | header->SetRefMultiplicityNeg(nNegTracks); | |
1d1ea3ce | 179 | } |
180 | ||
181 | void AliAnalysisTaskESDMuonFilter::Terminate(Option_t */*option*/) | |
182 | { | |
aba11173 | 183 | // Terminate analysis |
184 | // | |
185 | if (fDebug > 1) printf("AnalysisESDfilter: Terminate() \n"); | |
1d1ea3ce | 186 | } |
aba11173 | 187 | |
fc3a4c45 | 188 | void AliAnalysisTaskESDMuonFilter::PrintMCInfo(AliStack *pStack,Int_t label){ |
189 | if(!pStack)return; | |
190 | label = TMath::Abs(label); | |
191 | TParticle *part = pStack->Particle(label); | |
192 | Printf("########################"); | |
193 | Printf("%s:%d %d UniqueID %d PDG %d P %3.3f",(char*)__FILE__,__LINE__,label,part->GetUniqueID(),part->GetPdgCode(),part->P()); | |
194 | part->Print(); | |
195 | TParticle* mother = part; | |
196 | Int_t imo = part->GetFirstMother(); | |
197 | Int_t nprim = pStack->GetNprimary(); | |
198 | // while((imo >= nprim) && (mother->GetUniqueID() == 4)) { | |
199 | while((imo >= nprim)) { | |
200 | mother = pStack->Particle(imo); | |
201 | Printf("Mother %s:%d Label %d UniqueID %d PDG %d P %3.3f",(char*)__FILE__,__LINE__,imo,mother->GetUniqueID(),mother->GetPdgCode(),mother->P()); | |
202 | mother->Print(); | |
203 | imo = mother->GetFirstMother(); | |
204 | } | |
205 | Printf("########################"); | |
206 | } |