]>
Commit | Line | Data |
---|---|---|
0de9de87 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2008, 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 | ///////////////////////////////////////////////////////////// | |
17 | // | |
18 | // AliAnalysisTaskSE for the selection of heavy flavor | |
19 | // decay candidates and creation a stand-alone AOD. | |
20 | // | |
21 | // Author: A.Dainese, andrea.dainese@lnl.infn.it | |
22 | ///////////////////////////////////////////////////////////// | |
23 | ||
24 | #include <TClonesArray.h> | |
25 | ||
b557eb43 | 26 | #include "AliAnalysisManager.h" |
27 | #include "AliAODHandler.h" | |
0de9de87 | 28 | #include "AliAODEvent.h" |
29 | #include "AliAODVertex.h" | |
30 | #include "AliAODTrack.h" | |
31 | #include "AliAODRecoDecayHF2Prong.h" | |
12bfc069 | 32 | #include "AliAnalysisVertexingHF.h" |
0de9de87 | 33 | #include "AliAnalysisTaskSE.h" |
34 | #include "AliAnalysisTaskSESelectHF.h" | |
35 | ||
36 | ClassImp(AliAnalysisTaskSESelectHF) | |
37 | ||
38 | ||
39 | //________________________________________________________________________ | |
40 | AliAnalysisTaskSESelectHF::AliAnalysisTaskSESelectHF(): | |
41 | AliAnalysisTaskSE(), | |
42 | fVerticesHFTClArr(0), | |
12bfc069 | 43 | fD0toKpiTClArr(0), |
44 | fVHF(0) | |
0de9de87 | 45 | { |
46 | // Default constructor | |
0de9de87 | 47 | } |
48 | ||
49 | //________________________________________________________________________ | |
50 | AliAnalysisTaskSESelectHF::AliAnalysisTaskSESelectHF(const char *name): | |
51 | AliAnalysisTaskSE(name), | |
52 | fVerticesHFTClArr(0), | |
12bfc069 | 53 | fD0toKpiTClArr(0), |
54 | fVHF(0) | |
0de9de87 | 55 | { |
56 | // Default constructor | |
0de9de87 | 57 | } |
58 | ||
59 | //________________________________________________________________________ | |
60 | AliAnalysisTaskSESelectHF::~AliAnalysisTaskSESelectHF() | |
61 | { | |
62 | // Destructor | |
12bfc069 | 63 | |
64 | if (fVHF) { | |
65 | delete fVHF; | |
66 | fVHF = 0; | |
67 | } | |
68 | ||
0de9de87 | 69 | } |
70 | ||
71 | //________________________________________________________________________ | |
72 | void AliAnalysisTaskSESelectHF::Init() | |
73 | { | |
74 | // Initialization | |
75 | ||
76 | if(fDebug > 1) printf("AnalysisTaskSESelectHF::Init() \n"); | |
77 | ||
12bfc069 | 78 | gROOT->LoadMacro("ConfigVertexingHF.C"); |
79 | ||
80 | fVHF = (AliAnalysisVertexingHF*)gROOT->ProcessLine("ConfigVertexingHF()"); | |
81 | fVHF->PrintStatus(); | |
82 | ||
0de9de87 | 83 | return; |
84 | } | |
85 | ||
86 | //________________________________________________________________________ | |
87 | void AliAnalysisTaskSESelectHF::UserCreateOutputObjects() | |
88 | { | |
89 | // Create the output container | |
90 | // | |
91 | if(fDebug > 1) printf("AnalysisTaskSESelectHF::UserCreateOutputObjects() \n"); | |
92 | ||
93 | fVerticesHFTClArr = new TClonesArray("AliAODVertex", 0); | |
94 | fVerticesHFTClArr->SetName("VerticesHF"); | |
080ac6fd | 95 | AddAODBranch("TClonesArray", &fVerticesHFTClArr); |
0de9de87 | 96 | |
97 | fD0toKpiTClArr = new TClonesArray("AliAODRecoDecayHF2Prong", 0); | |
98 | fD0toKpiTClArr->SetName("D0toKpi"); | |
080ac6fd | 99 | AddAODBranch("TClonesArray", &fD0toKpiTClArr); |
0de9de87 | 100 | |
101 | return; | |
102 | } | |
103 | ||
104 | //________________________________________________________________________ | |
105 | void AliAnalysisTaskSESelectHF::UserExec(Option_t */*option*/) | |
106 | { | |
107 | // Execute analysis for current event: | |
108 | // heavy flavor candidates selection and histograms | |
109 | ||
110 | AliAODEvent *aodIn = dynamic_cast<AliAODEvent*> (InputEvent()); | |
111 | ||
b557eb43 | 112 | TClonesArray *inputArrayD0toKpi = 0; |
113 | ||
114 | if(!aodIn && AODEvent() && IsStandardAOD()) { | |
115 | // In case there is an AOD handler writing a standard AOD, use the AOD | |
116 | // event in memory rather than the input (ESD) event. | |
117 | aodIn = dynamic_cast<AliAODEvent*> (AODEvent()); | |
118 | // in this case the braches in the deltaAOD (AliAOD.VertexingHF.root) | |
119 | // have to taken from the AOD event hold by the AliAODExtension | |
120 | AliAODHandler* aodHandler = (AliAODHandler*) | |
121 | ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler()); | |
122 | if(aodHandler->GetExtensions()) { | |
123 | AliAODExtension *ext = (AliAODExtension*)aodHandler->GetExtensions()->FindObject("AliAOD.VertexingHF.root"); | |
124 | AliAODEvent *aodFromExt = ext->GetAOD(); | |
125 | // load D0 candidates | |
126 | inputArrayD0toKpi=(TClonesArray*)aodFromExt->GetList()->FindObject("D0toKpi"); | |
127 | } | |
128 | } else { | |
129 | // load D0 candidates | |
130 | inputArrayD0toKpi=(TClonesArray*)aodIn->GetList()->FindObject("D0toKpi"); | |
131 | } | |
8931c313 | 132 | |
0bd2832b | 133 | if(!inputArrayD0toKpi) { |
134 | printf("AliAnalysisTaskSESelectHF::UserExec: D0toKpi branch not found!\n"); | |
135 | return; | |
136 | } | |
0de9de87 | 137 | |
138 | //print event info | |
0bd2832b | 139 | //aodIn->GetHeader()->Print(); |
0de9de87 | 140 | |
141 | // primary vertex | |
142 | AliAODVertex *vtx1 = (AliAODVertex*)aodIn->GetPrimaryVertex(); | |
0bd2832b | 143 | //vtx1->Print(); |
0de9de87 | 144 | |
145 | // make trkIDtoEntry register (temporary) | |
146 | Int_t trkIDtoEntry[100000]; | |
147 | for(Int_t it=0;it<aodIn->GetNumberOfTracks();it++) { | |
148 | AliAODTrack *track = aodIn->GetTrack(it); | |
149 | trkIDtoEntry[track->GetID()]=it; | |
150 | } | |
151 | ||
152 | Int_t iOutVerticesHF=0,iOutD0toKpi=0; | |
153 | fVerticesHFTClArr->Delete(); | |
154 | iOutVerticesHF = fVerticesHFTClArr->GetEntriesFast(); | |
155 | TClonesArray &verticesHFRef = *fVerticesHFTClArr; | |
156 | fD0toKpiTClArr->Delete(); | |
157 | iOutD0toKpi = fD0toKpiTClArr->GetEntriesFast(); | |
158 | TClonesArray &aodD0toKpiRef = *fD0toKpiTClArr; | |
159 | ||
160 | ||
161 | // loop over D0->Kpi candidates | |
162 | Int_t nInD0toKpi = inputArrayD0toKpi->GetEntriesFast(); | |
163 | printf("Number of D0->Kpi: %d\n",nInD0toKpi); | |
164 | ||
165 | for (Int_t iD0toKpi = 0; iD0toKpi < nInD0toKpi; iD0toKpi++) { | |
166 | AliAODRecoDecayHF2Prong *dIn = (AliAODRecoDecayHF2Prong*)inputArrayD0toKpi->UncheckedAt(iD0toKpi); | |
167 | Bool_t unsetvtx=kFALSE; | |
168 | if(!dIn->GetOwnPrimaryVtx()) { | |
169 | dIn->SetOwnPrimaryVtx(vtx1); // needed to compute all variables | |
170 | unsetvtx=kTRUE; | |
171 | } | |
172 | Int_t okD0=0,okD0bar=0; | |
12bfc069 | 173 | if(dIn->SelectD0(fVHF->GetD0toKpiCuts(),okD0,okD0bar)) { |
0de9de87 | 174 | // get daughter AOD tracks |
2a57ff58 | 175 | AliAODTrack *trk0 = (AliAODTrack*)dIn->GetDaughter(0); |
176 | AliAODTrack *trk1 = (AliAODTrack*)dIn->GetDaughter(1); | |
177 | if(!trk0 || !trk1) { | |
178 | trk0=aodIn->GetTrack(trkIDtoEntry[dIn->GetProngID(0)]); | |
179 | trk1=aodIn->GetTrack(trkIDtoEntry[dIn->GetProngID(1)]); | |
180 | } | |
0de9de87 | 181 | printf("pt of positive track: %f\n",trk0->Pt()); |
182 | printf("pt of negative track: %f\n",trk1->Pt()); | |
0bd2832b | 183 | // HERE ONE COULD RECALCULATE THE VERTEX USING THE KF PACKAGE |
0de9de87 | 184 | |
185 | // clone candidate for output AOD | |
186 | AliAODVertex *v = new(verticesHFRef[iOutVerticesHF++]) | |
187 | AliAODVertex(*(dIn->GetSecondaryVtx())); | |
0de9de87 | 188 | AliAODRecoDecayHF2Prong *dOut=new(aodD0toKpiRef[iOutD0toKpi++]) |
2a57ff58 | 189 | AliAODRecoDecayHF2Prong(*dIn); |
190 | dOut->SetSecondaryVtx(v); | |
0bd2832b | 191 | dOut->SetOwnPrimaryVtx((AliAODVertex*)((dIn->GetOwnPrimaryVtx())->Clone())); |
b0ebe389 | 192 | v->SetParent(dOut); |
0de9de87 | 193 | } |
194 | if(unsetvtx) dIn->UnsetOwnPrimaryVtx(); | |
195 | } // end loop on D0->Kpi | |
196 | ||
0bd2832b | 197 | printf("Number of selected D0->Kpi: %d\n",iOutD0toKpi); |
198 | ||
0de9de87 | 199 | |
200 | return; | |
201 | } | |
202 | ||
203 | //________________________________________________________________________ | |
204 | void AliAnalysisTaskSESelectHF::Terminate(Option_t */*option*/) | |
205 | { | |
206 | // Terminate analysis | |
207 | // | |
208 | if(fDebug > 1) printf("AnalysisTaskSESelectHF: Terminate() \n"); | |
209 | } | |
210 |