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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 | ||
27de2dfb | 16 | /* $Id$ */ |
17 | ||
0de9de87 | 18 | ///////////////////////////////////////////////////////////// |
19 | // | |
20 | // AliAnalysisTaskSE for the selection of heavy flavor | |
21 | // decay candidates and creation a stand-alone AOD. | |
22 | // | |
23 | // Author: A.Dainese, andrea.dainese@lnl.infn.it | |
24 | ///////////////////////////////////////////////////////////// | |
25 | ||
26 | #include <TClonesArray.h> | |
27 | ||
b557eb43 | 28 | #include "AliAnalysisManager.h" |
29 | #include "AliAODHandler.h" | |
0de9de87 | 30 | #include "AliAODEvent.h" |
31 | #include "AliAODVertex.h" | |
32 | #include "AliAODTrack.h" | |
33 | #include "AliAODRecoDecayHF2Prong.h" | |
12bfc069 | 34 | #include "AliAnalysisVertexingHF.h" |
0de9de87 | 35 | #include "AliAnalysisTaskSE.h" |
36 | #include "AliAnalysisTaskSESelectHF.h" | |
37 | ||
38 | ClassImp(AliAnalysisTaskSESelectHF) | |
39 | ||
40 | ||
41 | //________________________________________________________________________ | |
42 | AliAnalysisTaskSESelectHF::AliAnalysisTaskSESelectHF(): | |
43 | AliAnalysisTaskSE(), | |
44 | fVerticesHFTClArr(0), | |
12bfc069 | 45 | fD0toKpiTClArr(0), |
46 | fVHF(0) | |
0de9de87 | 47 | { |
48 | // Default constructor | |
0de9de87 | 49 | } |
50 | ||
51 | //________________________________________________________________________ | |
52 | AliAnalysisTaskSESelectHF::AliAnalysisTaskSESelectHF(const char *name): | |
53 | AliAnalysisTaskSE(name), | |
54 | fVerticesHFTClArr(0), | |
12bfc069 | 55 | fD0toKpiTClArr(0), |
56 | fVHF(0) | |
0de9de87 | 57 | { |
58 | // Default constructor | |
0de9de87 | 59 | } |
60 | ||
61 | //________________________________________________________________________ | |
62 | AliAnalysisTaskSESelectHF::~AliAnalysisTaskSESelectHF() | |
63 | { | |
64 | // Destructor | |
12bfc069 | 65 | |
66 | if (fVHF) { | |
67 | delete fVHF; | |
68 | fVHF = 0; | |
69 | } | |
70 | ||
0de9de87 | 71 | } |
72 | ||
73 | //________________________________________________________________________ | |
74 | void AliAnalysisTaskSESelectHF::Init() | |
75 | { | |
76 | // Initialization | |
77 | ||
78 | if(fDebug > 1) printf("AnalysisTaskSESelectHF::Init() \n"); | |
79 | ||
12bfc069 | 80 | gROOT->LoadMacro("ConfigVertexingHF.C"); |
81 | ||
82 | fVHF = (AliAnalysisVertexingHF*)gROOT->ProcessLine("ConfigVertexingHF()"); | |
83 | fVHF->PrintStatus(); | |
84 | ||
0de9de87 | 85 | return; |
86 | } | |
87 | ||
88 | //________________________________________________________________________ | |
89 | void AliAnalysisTaskSESelectHF::UserCreateOutputObjects() | |
90 | { | |
91 | // Create the output container | |
92 | // | |
93 | if(fDebug > 1) printf("AnalysisTaskSESelectHF::UserCreateOutputObjects() \n"); | |
94 | ||
95 | fVerticesHFTClArr = new TClonesArray("AliAODVertex", 0); | |
96 | fVerticesHFTClArr->SetName("VerticesHF"); | |
080ac6fd | 97 | AddAODBranch("TClonesArray", &fVerticesHFTClArr); |
0de9de87 | 98 | |
99 | fD0toKpiTClArr = new TClonesArray("AliAODRecoDecayHF2Prong", 0); | |
100 | fD0toKpiTClArr->SetName("D0toKpi"); | |
080ac6fd | 101 | AddAODBranch("TClonesArray", &fD0toKpiTClArr); |
0de9de87 | 102 | |
103 | return; | |
104 | } | |
105 | ||
106 | //________________________________________________________________________ | |
107 | void AliAnalysisTaskSESelectHF::UserExec(Option_t */*option*/) | |
108 | { | |
109 | // Execute analysis for current event: | |
110 | // heavy flavor candidates selection and histograms | |
111 | ||
112 | AliAODEvent *aodIn = dynamic_cast<AliAODEvent*> (InputEvent()); | |
113 | ||
b557eb43 | 114 | TClonesArray *inputArrayD0toKpi = 0; |
115 | ||
116 | if(!aodIn && AODEvent() && IsStandardAOD()) { | |
117 | // In case there is an AOD handler writing a standard AOD, use the AOD | |
118 | // event in memory rather than the input (ESD) event. | |
119 | aodIn = dynamic_cast<AliAODEvent*> (AODEvent()); | |
120 | // in this case the braches in the deltaAOD (AliAOD.VertexingHF.root) | |
121 | // have to taken from the AOD event hold by the AliAODExtension | |
122 | AliAODHandler* aodHandler = (AliAODHandler*) | |
123 | ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler()); | |
124 | if(aodHandler->GetExtensions()) { | |
125 | AliAODExtension *ext = (AliAODExtension*)aodHandler->GetExtensions()->FindObject("AliAOD.VertexingHF.root"); | |
126 | AliAODEvent *aodFromExt = ext->GetAOD(); | |
127 | // load D0 candidates | |
128 | inputArrayD0toKpi=(TClonesArray*)aodFromExt->GetList()->FindObject("D0toKpi"); | |
129 | } | |
dc222f77 | 130 | } else if(aodIn) { |
b557eb43 | 131 | // load D0 candidates |
132 | inputArrayD0toKpi=(TClonesArray*)aodIn->GetList()->FindObject("D0toKpi"); | |
133 | } | |
8931c313 | 134 | |
20c2e031 | 135 | if(!inputArrayD0toKpi || !aodIn) { |
0bd2832b | 136 | printf("AliAnalysisTaskSESelectHF::UserExec: D0toKpi branch not found!\n"); |
137 | return; | |
138 | } | |
0de9de87 | 139 | |
140 | //print event info | |
0bd2832b | 141 | //aodIn->GetHeader()->Print(); |
0de9de87 | 142 | |
143 | // primary vertex | |
144 | AliAODVertex *vtx1 = (AliAODVertex*)aodIn->GetPrimaryVertex(); | |
0bd2832b | 145 | //vtx1->Print(); |
0de9de87 | 146 | |
147 | // make trkIDtoEntry register (temporary) | |
148 | Int_t trkIDtoEntry[100000]; | |
149 | for(Int_t it=0;it<aodIn->GetNumberOfTracks();it++) { | |
150 | AliAODTrack *track = aodIn->GetTrack(it); | |
151 | trkIDtoEntry[track->GetID()]=it; | |
152 | } | |
153 | ||
154 | Int_t iOutVerticesHF=0,iOutD0toKpi=0; | |
155 | fVerticesHFTClArr->Delete(); | |
156 | iOutVerticesHF = fVerticesHFTClArr->GetEntriesFast(); | |
157 | TClonesArray &verticesHFRef = *fVerticesHFTClArr; | |
158 | fD0toKpiTClArr->Delete(); | |
159 | iOutD0toKpi = fD0toKpiTClArr->GetEntriesFast(); | |
160 | TClonesArray &aodD0toKpiRef = *fD0toKpiTClArr; | |
161 | ||
162 | ||
163 | // loop over D0->Kpi candidates | |
164 | Int_t nInD0toKpi = inputArrayD0toKpi->GetEntriesFast(); | |
165 | printf("Number of D0->Kpi: %d\n",nInD0toKpi); | |
166 | ||
167 | for (Int_t iD0toKpi = 0; iD0toKpi < nInD0toKpi; iD0toKpi++) { | |
168 | AliAODRecoDecayHF2Prong *dIn = (AliAODRecoDecayHF2Prong*)inputArrayD0toKpi->UncheckedAt(iD0toKpi); | |
169 | Bool_t unsetvtx=kFALSE; | |
170 | if(!dIn->GetOwnPrimaryVtx()) { | |
171 | dIn->SetOwnPrimaryVtx(vtx1); // needed to compute all variables | |
172 | unsetvtx=kTRUE; | |
173 | } | |
20c2e031 | 174 | |
cb8088a2 | 175 | //Int_t okD0=0,okD0bar=0; |
176 | //if(dIn->SelectD0(fVHF->GetD0toKpiCuts(),okD0,okD0bar)) { | |
0de9de87 | 177 | // get daughter AOD tracks |
2a57ff58 | 178 | AliAODTrack *trk0 = (AliAODTrack*)dIn->GetDaughter(0); |
179 | AliAODTrack *trk1 = (AliAODTrack*)dIn->GetDaughter(1); | |
180 | if(!trk0 || !trk1) { | |
181 | trk0=aodIn->GetTrack(trkIDtoEntry[dIn->GetProngID(0)]); | |
182 | trk1=aodIn->GetTrack(trkIDtoEntry[dIn->GetProngID(1)]); | |
183 | } | |
0de9de87 | 184 | printf("pt of positive track: %f\n",trk0->Pt()); |
185 | printf("pt of negative track: %f\n",trk1->Pt()); | |
0bd2832b | 186 | // HERE ONE COULD RECALCULATE THE VERTEX USING THE KF PACKAGE |
0de9de87 | 187 | |
188 | // clone candidate for output AOD | |
189 | AliAODVertex *v = new(verticesHFRef[iOutVerticesHF++]) | |
190 | AliAODVertex(*(dIn->GetSecondaryVtx())); | |
0de9de87 | 191 | AliAODRecoDecayHF2Prong *dOut=new(aodD0toKpiRef[iOutD0toKpi++]) |
2a57ff58 | 192 | AliAODRecoDecayHF2Prong(*dIn); |
193 | dOut->SetSecondaryVtx(v); | |
0bd2832b | 194 | dOut->SetOwnPrimaryVtx((AliAODVertex*)((dIn->GetOwnPrimaryVtx())->Clone())); |
b0ebe389 | 195 | v->SetParent(dOut); |
20c2e031 | 196 | |
197 | ||
0de9de87 | 198 | if(unsetvtx) dIn->UnsetOwnPrimaryVtx(); |
199 | } // end loop on D0->Kpi | |
200 | ||
0bd2832b | 201 | printf("Number of selected D0->Kpi: %d\n",iOutD0toKpi); |
202 | ||
0de9de87 | 203 | |
204 | return; | |
205 | } | |
206 | ||
207 | //________________________________________________________________________ | |
208 | void AliAnalysisTaskSESelectHF::Terminate(Option_t */*option*/) | |
209 | { | |
210 | // Terminate analysis | |
211 | // | |
212 | if(fDebug > 1) printf("AnalysisTaskSESelectHF: Terminate() \n"); | |
213 | } | |
214 |