]>
Commit | Line | Data |
---|---|---|
ffbede40 | 1 | /************************************************************************* |
2 | * Copyright(c) 1998-2009, 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 | // Basic Analysis Task // | |
19 | // // | |
20 | /////////////////////////////////////////////////////////////////////////// | |
21 | ||
22 | #include <TChain.h> | |
23 | #include <TH1D.h> | |
24 | ||
25 | #include <AliCFContainer.h> | |
26 | #include <AliInputEventHandler.h> | |
27 | #include <AliESDInputHandler.h> | |
28 | #include <AliAnalysisManager.h> | |
29 | #include <AliVEvent.h> | |
30 | ||
31 | #include "AliDielectron.h" | |
32 | #include "AliDielectronHistos.h" | |
33 | #include "AliDielectronCF.h" | |
34 | #include "AliDielectronMC.h" | |
35 | #include "AliAnalysisTaskDielectronME.h" | |
36 | ||
37 | ClassImp(AliAnalysisTaskDielectronME) | |
38 | ||
39 | //_________________________________________________________________________________ | |
40 | AliAnalysisTaskDielectronME::AliAnalysisTaskDielectronME() : | |
41 | AliAnalysisTaskME(), | |
42 | fListDielectron(), | |
43 | fListHistos(), | |
44 | fListCF(), | |
45 | fPoolDepth(2), | |
46 | fSelectPhysics(kFALSE), | |
47 | fTriggerMask(AliVEvent::kMB), | |
48 | fEventStat(0x0) | |
49 | { | |
50 | // | |
51 | // Constructor | |
52 | // | |
53 | } | |
54 | ||
55 | //_________________________________________________________________________________ | |
56 | AliAnalysisTaskDielectronME::AliAnalysisTaskDielectronME(const char *name) : | |
57 | AliAnalysisTaskME(name), | |
58 | fListDielectron(), | |
59 | fListHistos(), | |
60 | fListCF(), | |
61 | fPoolDepth(2), | |
62 | fSelectPhysics(kFALSE), | |
63 | fTriggerMask(AliVEvent::kMB), | |
64 | fEventStat(0x0) | |
65 | { | |
66 | // | |
67 | // Constructor | |
68 | // | |
69 | DefineInput(0,TChain::Class()); | |
70 | DefineOutput(1, TList::Class()); | |
71 | DefineOutput(2, TList::Class()); | |
72 | DefineOutput(3, TH1D::Class()); | |
73 | fListHistos.SetName("Dielectron_Histos_Multi"); | |
74 | fListCF.SetName("Dielectron_CF_Multi"); | |
75 | } | |
76 | ||
77 | ||
78 | //_________________________________________________________________________________ | |
79 | void AliAnalysisTaskDielectronME::UserCreateOutputObjects() | |
80 | { | |
81 | // | |
82 | // Add all histogram manager histogram lists to the output TList | |
83 | // | |
84 | ||
85 | if (!fListHistos.IsEmpty()||!fListCF.IsEmpty()) return; //already initialised | |
86 | ||
87 | TIter nextDie(&fListDielectron); | |
88 | AliDielectron *die=0; | |
89 | while ( (die=static_cast<AliDielectron*>(nextDie())) ){ | |
90 | die->Init(); | |
91 | if (die->GetHistogramList()) fListHistos.Add(const_cast<THashList*>(die->GetHistogramList())); | |
92 | if (die->GetCFManagerPair()) fListCF.Add(const_cast<AliCFContainer*>(die->GetCFManagerPair()->GetContainer())); | |
93 | } | |
94 | ||
95 | Int_t cuts=fListDielectron.GetEntries(); | |
96 | Int_t nbins=2+2*cuts; | |
97 | if (!fEventStat){ | |
98 | fEventStat=new TH1D("hEventStat","Event statistics",nbins,0,nbins); | |
99 | fEventStat->GetXaxis()->SetBinLabel(1,"Before Phys. Sel."); | |
100 | fEventStat->GetXaxis()->SetBinLabel(2,"After Phys. Sel."); | |
101 | for (Int_t i=0; i<cuts; ++i){ | |
102 | fEventStat->GetXaxis()->SetBinLabel(3+2*i,Form("#splitline{1 candidate}{%s}",fListDielectron.At(i)->GetName())); | |
103 | fEventStat->GetXaxis()->SetBinLabel(4+2*i,Form("#splitline{With >1 candidate}{%s}",fListDielectron.At(i)->GetName())); | |
104 | } | |
105 | } | |
106 | ||
107 | PostData(1, &fListHistos); | |
108 | PostData(2, &fListCF); | |
109 | PostData(3, fEventStat); | |
110 | } | |
111 | ||
112 | //_________________________________________________________________________________ | |
113 | void AliAnalysisTaskDielectronME::UserExec(Option_t *) | |
114 | { | |
115 | // | |
116 | // Main loop. Called for every event | |
117 | // | |
118 | ||
119 | if (fListHistos.IsEmpty()&&fListCF.IsEmpty()) return; | |
120 | ||
121 | AliAnalysisManager *man=AliAnalysisManager::GetAnalysisManager(); | |
122 | AliESDInputHandler *esdHandler=0x0; | |
123 | if ( (esdHandler=dynamic_cast<AliESDInputHandler*>(man->GetInputEventHandler())) && esdHandler->GetESDpid() ){ | |
124 | AliDielectronVarManager::SetESDpid(esdHandler->GetESDpid()); | |
125 | } else { | |
126 | //load esd pid bethe bloch parameters depending on the existance of the MC handler | |
127 | // yes: MC parameters | |
128 | // no: data parameters | |
129 | if (!AliDielectronVarManager::GetESDpid()){ | |
130 | if (AliDielectronMC::Instance()->HasMC()) { | |
131 | AliDielectronVarManager::InitESDpid(); | |
132 | } else { | |
133 | AliDielectronVarManager::InitESDpid(1); | |
134 | } | |
135 | } | |
136 | } | |
137 | // Was event selected ? | |
138 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) (man->GetInputEventHandler()); | |
139 | UInt_t isSelected = AliVEvent::kAny; | |
140 | if( fSelectPhysics && inputHandler && inputHandler->GetEventSelection() ) { | |
141 | isSelected = inputHandler->IsEventSelected(); | |
142 | isSelected&=fTriggerMask; | |
143 | } | |
144 | ||
145 | //Before physics selection | |
146 | fEventStat->Fill(0.); | |
147 | if (isSelected==0) { | |
148 | PostData(3,fEventStat); | |
149 | return; | |
150 | } | |
151 | //after physics selection | |
152 | fEventStat->Fill(1.); | |
153 | ||
154 | //bz for AliKF | |
155 | Double_t bz = GetEvent(0)->GetMagneticField(); | |
156 | AliKFParticle::SetField( bz ); | |
157 | ||
158 | //Process event in all AliDielectron instances | |
159 | TIter nextDie(&fListDielectron); | |
160 | AliDielectron *die=0; | |
161 | Int_t idie=0; | |
162 | while ( (die=static_cast<AliDielectron*>(nextDie())) ){ | |
163 | for (Int_t evt1=0; evt1<fPoolDepth-1; evt1++){ | |
164 | for (Int_t evt2=evt1+1; evt2<fPoolDepth; evt2++){ | |
165 | die->Process((AliESDEvent*)GetEvent(evt1),(AliESDEvent*)GetEvent(evt2)); | |
166 | if (die->HasCandidates()){ | |
167 | Int_t ncandidates=die->GetPairArray(1)->GetEntriesFast(); | |
168 | if (ncandidates==1) fEventStat->Fill(3+2*idie); | |
169 | else if (ncandidates>1) fEventStat->Fill(4+2*idie); | |
170 | } | |
171 | } | |
172 | } | |
173 | ++idie; | |
174 | } | |
175 | ||
176 | PostData(1, &fListHistos); | |
177 | PostData(2, &fListCF); | |
178 | PostData(3,fEventStat); | |
179 | } | |
180 | ||
181 | //_________________________________________________________________________________ | |
182 | void AliAnalysisTaskDielectronME::FinishTaskOutput() | |
183 | { | |
184 | // | |
185 | // Write debug tree | |
186 | // | |
187 | TIter nextDie(&fListDielectron); | |
188 | AliDielectron *die=0; | |
189 | while ( (die=static_cast<AliDielectron*>(nextDie())) ){ | |
190 | die->SaveDebugTree(); | |
191 | } | |
192 | } | |
193 |