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bdcfac30 | 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 | #include <TROOT.h> | |
17 | #include <TSystem.h> | |
18 | #include <TInterpreter.h> | |
19 | #include <TChain.h> | |
20 | #include <TFile.h> | |
21 | #include <Riostream.h> | |
22 | ||
23 | #include "AliAnalysisTaskGamma.h" | |
24 | #include "AliAnalysisManager.h" | |
25 | #include "AliMCEventHandler.h" | |
26 | #include "AliAnaGamma.h" | |
27 | #include "AliGammaReader.h" | |
28 | #include "AliESDEvent.h" | |
29 | #include "AliStack.h" | |
30 | #include "AliLog.h" | |
31 | ||
32 | ClassImp(AliAnalysisTaskGamma) | |
33 | ||
34 | //////////////////////////////////////////////////////////////////////// | |
35 | ||
36 | AliAnalysisTaskGamma::AliAnalysisTaskGamma(): | |
37 | fAna(0x0), | |
38 | fChain(0x0), | |
39 | fESD(0x0), | |
40 | fTreeG(0x0),//Not used for the moment | |
41 | fOutputContainer(0x0) | |
42 | { | |
43 | // Default constructor | |
44 | } | |
45 | ||
46 | //_____________________________________________________ | |
47 | AliAnalysisTaskGamma::AliAnalysisTaskGamma(const char* name): | |
48 | AliAnalysisTask(name, "AnalysisTaskGamma"), | |
49 | fAna(0x0), | |
50 | fChain(0x0), | |
51 | fESD(0x0), | |
52 | fTreeG(0x0),//Not used for the moment | |
53 | fOutputContainer(0x0) | |
54 | { | |
55 | // Default constructor | |
56 | ||
57 | Init(); | |
58 | ||
59 | DefineInput (0, TChain::Class()); | |
60 | //DefineOutput(0, TTree::Class());// to create AODs, to be done | |
61 | DefineOutput(0, TList::Class()); | |
62 | ||
63 | } | |
64 | ||
65 | //_____________________________________________________ | |
66 | AliAnalysisTaskGamma::~AliAnalysisTaskGamma() | |
67 | { | |
68 | ||
69 | // Remove all pointers | |
70 | fOutputContainer->Clear() ; | |
71 | delete fOutputContainer ; | |
72 | ||
73 | delete fTreeG ; //Not used for the moment | |
74 | } | |
75 | ||
76 | //_____________________________________________________ | |
77 | void AliAnalysisTaskGamma::CreateOutputObjects() | |
78 | { | |
79 | // Create the output container | |
80 | //OpenFile(0); | |
81 | //fTreeG = new TTree ; // fAna->MakeTreeG("TreeG");// to create AODs, to be done | |
82 | ||
83 | OpenFile(0); | |
84 | ||
85 | fOutputContainer = fAna->GetOutputContainer(); | |
86 | ||
87 | } | |
88 | ||
89 | //_____________________________________________________ | |
90 | void AliAnalysisTaskGamma::Init() | |
91 | { | |
92 | // Initialization | |
93 | AliDebug(1,"Begin"); | |
94 | ||
95 | // Call configuration file | |
96 | gROOT->LoadMacro("ConfigGammaAnalysis.C"); | |
97 | fAna = (AliAnaGamma*) gInterpreter->ProcessLine("ConfigGammaAnalysis()"); | |
98 | ||
99 | if(!fAna) | |
100 | AliFatal("Analysis pointer not initialized, abort analysis!"); | |
101 | ||
102 | // Initialise Gamma Analysis | |
103 | fAna->Init(); | |
104 | ||
105 | //In case of MC analysis | |
106 | Int_t datatype = fAna->GetReader()->GetDataType(); | |
107 | if(datatype == AliGammaReader::kMC || datatype == AliGammaReader::kMCData ){ | |
108 | AliMCEventHandler * mc = new AliMCEventHandler(); | |
109 | (AliAnalysisManager::GetAnalysisManager())->SetMCtruthEventHandler(mc); | |
110 | } | |
111 | ||
112 | AliDebug(1,"End"); | |
113 | ||
114 | } | |
115 | ||
116 | //_____________________________________________________ | |
117 | void AliAnalysisTaskGamma::ConnectInputData(Option_t */*option*/) | |
118 | { | |
119 | // Connect the input data | |
120 | // | |
121 | AliDebug(1,"ConnectInputData() "); | |
122 | fChain = (TChain*)GetInputData(0); | |
123 | fESD = new AliESDEvent(); | |
124 | fESD->ReadFromTree(fChain); | |
125 | ||
126 | } | |
127 | ||
128 | //_____________________________________________________ | |
129 | void AliAnalysisTaskGamma::Exec(Option_t */*option*/) | |
130 | { | |
131 | // Execute analysis for current event | |
132 | // | |
133 | ||
134 | //Get the type of data, check if type is correct | |
135 | Int_t datatype = fAna->GetReader()->GetDataType(); | |
136 | if(datatype != AliGammaReader::kData && | |
137 | datatype != AliGammaReader::kMC && | |
138 | datatype != AliGammaReader::kMCData){ | |
139 | AliFatal("Wrong type of data"); | |
140 | return ; | |
141 | } | |
142 | ||
143 | //Get MC data | |
144 | AliStack* stack = 0x0; | |
145 | if(datatype == AliGammaReader::kMC || datatype == AliGammaReader::kMCData ){ | |
146 | AliMCEventHandler* mctruth = (AliMCEventHandler*) | |
147 | ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler()); | |
148 | ||
149 | if(mctruth){ | |
150 | stack = mctruth->Stack(); | |
151 | //printf("AliAnalysisTaskJets: Number of tracks %5d\n", stack->GetNtrack()); | |
152 | } | |
153 | } | |
154 | ||
155 | //Get Event | |
156 | Long64_t ientry = fChain->GetReadEntry(); | |
157 | if ( !((ientry)%100) ) | |
158 | AliInfo(Form("Analysing event # %5d\n", (Int_t) ientry)); | |
159 | ||
160 | //Pass ESD pointer to analysis | |
161 | if (!fESD) { | |
162 | AliError("fESD is not connected to the input!") ; | |
163 | return ; | |
164 | } | |
165 | fAna->SetData(fESD); | |
166 | ||
167 | //In case of montecarlo analysis, pass the stack also. | |
168 | if((datatype == AliGammaReader::kMC || datatype == AliGammaReader::kMCData ) && stack) | |
169 | fAna -> SetKine(stack); | |
170 | ||
171 | //Process event | |
172 | fAna->ProcessEvent(ientry); | |
173 | ||
174 | //PostData(0, fTreeG); // Create AODs, to be done. | |
175 | PostData(0, fOutputContainer); | |
176 | ||
177 | } | |
178 | ||
179 | //_____________________________________________________ | |
180 | void AliAnalysisTaskGamma::Terminate(Option_t */*option*/) | |
181 | { | |
182 | // Terminate analysis | |
183 | // | |
184 | AliDebug(1,"Do nothing in Terminate"); | |
185 | ||
186 | } | |
187 |