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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 | |
f70a1b5d | 18 | |
1d1ea3ce | 19 | #include <TChain.h> |
20 | #include <TFile.h> | |
21 | ||
22 | #include "AliAnalysisTaskESDMuonFilter.h" | |
23 | #include "AliAnalysisManager.h" | |
24 | #include "AliESDEvent.h" | |
25 | #include "AliAODEvent.h" | |
26 | #include "AliESDInputHandler.h" | |
27 | #include "AliAODHandler.h" | |
28 | #include "AliAnalysisFilter.h" | |
29 | #include "AliESDtrack.h" | |
30 | #include "AliESDMuonTrack.h" | |
31 | #include "AliESDVertex.h" | |
32 | #include "AliMultiplicity.h" | |
33 | #include "AliLog.h" | |
34 | ||
35 | ClassImp(AliAnalysisTaskESDMuonFilter) | |
36 | ||
37 | //////////////////////////////////////////////////////////////////////// | |
38 | ||
39 | AliAnalysisTaskESDMuonFilter::AliAnalysisTaskESDMuonFilter(): | |
f70a1b5d | 40 | AliAnalysisTaskSE(), |
41 | fTrackFilter(0x0) | |
1d1ea3ce | 42 | { |
43 | // Default constructor | |
44 | } | |
45 | ||
46 | AliAnalysisTaskESDMuonFilter::AliAnalysisTaskESDMuonFilter(const char* name): | |
f70a1b5d | 47 | AliAnalysisTaskSE(name), |
48 | fTrackFilter(0x0) | |
1d1ea3ce | 49 | { |
50 | // Constructor | |
51 | } | |
52 | ||
53 | void AliAnalysisTaskESDMuonFilter::UserCreateOutputObjects() | |
54 | { | |
55 | // Create the output container | |
f70a1b5d | 56 | if (fTrackFilter) OutputTree()->GetUserInfo()->Add(fTrackFilter); |
1d1ea3ce | 57 | } |
58 | ||
59 | void AliAnalysisTaskESDMuonFilter::Init() | |
60 | { | |
61 | // Initialization | |
f70a1b5d | 62 | if (fDebug > 1) AliInfo("Init() \n"); |
1d1ea3ce | 63 | } |
64 | ||
65 | ||
66 | void AliAnalysisTaskESDMuonFilter::UserExec(Option_t */*option*/) | |
67 | { | |
68 | // Execute analysis for current event | |
69 | Long64_t ientry = Entry(); | |
70 | printf("Muon Filter: Analysing event # %5d\n", (Int_t) ientry); | |
f70a1b5d | 71 | |
1d1ea3ce | 72 | ConvertESDtoAOD(); |
73 | } | |
74 | ||
75 | void AliAnalysisTaskESDMuonFilter::ConvertESDtoAOD() | |
76 | { | |
77 | // ESD Muon Filter analysis task executed for each event | |
78 | AliESDEvent* esd = dynamic_cast<AliESDEvent*>(InputEvent()); | |
f70a1b5d | 79 | |
1d1ea3ce | 80 | // Define arrays for muons |
81 | Double_t pos[3]; | |
82 | Double_t p[3]; | |
83 | Double_t pid[10]; | |
f70a1b5d | 84 | |
1d1ea3ce | 85 | AliAODHeader* header = AODEvent()->GetHeader(); |
86 | AliAODTrack *aodTrack = 0x0; | |
f70a1b5d | 87 | |
1d1ea3ce | 88 | // Access to the AOD container of tracks |
89 | TClonesArray &tracks = *(AODEvent()->GetTracks()); | |
90 | Int_t jTracks = header->GetRefMultiplicity(); | |
91 | ||
92 | // Read primary vertex from AOD event | |
f70a1b5d | 93 | AliAODVertex * primary = AODEvent()->GetPrimaryVertex(); |
1d1ea3ce | 94 | primary->Print(); |
f70a1b5d | 95 | |
1d1ea3ce | 96 | // Loop on muon tracks to fill the AOD track branch |
97 | Int_t nMuTracks = esd->GetNumberOfMuonTracks(); | |
98 | printf("Number of Muon Tracks=%d\n",nMuTracks); | |
f70a1b5d | 99 | |
100 | // Update number of positive and negative tracks from AOD event (M.G.) | |
1d1ea3ce | 101 | Int_t nPosTracks = header->GetRefMultiplicityPos(); |
102 | Int_t nNegTracks = header->GetRefMultiplicityNeg(); | |
f70a1b5d | 103 | |
1d1ea3ce | 104 | for (Int_t nMuTrack = 0; nMuTrack < nMuTracks; ++nMuTrack) { |
f70a1b5d | 105 | |
106 | AliESDMuonTrack *esdMuTrack = esd->GetMuonTrack(nMuTrack); | |
107 | ||
108 | UInt_t selectInfo = 0; | |
109 | // Track selection | |
110 | if (fTrackFilter) { | |
111 | selectInfo = fTrackFilter->IsSelected(esdMuTrack); | |
112 | if (!selectInfo) { | |
113 | continue; | |
114 | } | |
115 | } | |
116 | p[0] = esdMuTrack->Px(); | |
117 | p[1] = esdMuTrack->Py(); | |
118 | p[2] = esdMuTrack->Pz(); | |
119 | pos[0] = primary->GetX(); | |
120 | pos[1] = primary->GetY(); | |
121 | pos[2] = primary->GetZ(); | |
122 | ||
123 | // has to be changed once the muon pid is provided by the ESD | |
124 | for (Int_t i = 0; i < 10; pid[i++] = 0.); pid[AliAODTrack::kMuon]=1.; | |
125 | primary->AddDaughter(aodTrack = | |
126 | new(tracks[jTracks++]) AliAODTrack(0 , // no ID provided | |
127 | 0, // no label provided | |
128 | p, | |
129 | kTRUE, | |
130 | pos, | |
131 | kFALSE, | |
132 | NULL, // no covariance matrix provided | |
133 | esdMuTrack->Charge(), | |
134 | 0, // no ITSClusterMap | |
135 | pid, | |
136 | primary, | |
137 | kTRUE, // check if this is right | |
138 | kTRUE, // not used for vertex fit | |
139 | AliAODTrack::kPrimary, | |
140 | selectInfo) | |
141 | ); | |
142 | ||
143 | if (esdMuTrack->Charge() > 0) nPosTracks++; | |
144 | else nNegTracks++; | |
145 | ||
146 | aodTrack->ConvertAliPIDtoAODPID(); | |
147 | aodTrack->SetHitsPatternInTrigCh(esdMuTrack->GetHitsPatternInTrigCh()); | |
148 | Int_t track2Trigger = esdMuTrack->GetMatchTrigger(); | |
149 | aodTrack->SetMatchTrigger(track2Trigger); | |
150 | if (track2Trigger) | |
151 | aodTrack->SetChi2MatchTrigger(esdMuTrack->GetChi2MatchTrigger()); | |
152 | else | |
153 | aodTrack->SetChi2MatchTrigger(0.); | |
154 | } | |
155 | ||
1d1ea3ce | 156 | header->SetRefMultiplicity(jTracks); |
157 | header->SetRefMultiplicityPos(nPosTracks); | |
158 | header->SetRefMultiplicityNeg(nNegTracks); | |
f70a1b5d | 159 | |
160 | return; | |
1d1ea3ce | 161 | } |
162 | ||
163 | void AliAnalysisTaskESDMuonFilter::Terminate(Option_t */*option*/) | |
164 | { | |
f70a1b5d | 165 | // Terminate analysis |
166 | // | |
167 | if (fDebug > 1) printf("AnalysisESDfilter: Terminate() \n"); | |
1d1ea3ce | 168 | } |