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924fafb7 | 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 | ||
2188af53 | 16 | /************************************** |
17 | * analysis task for cumulant method * | |
18 | * * | |
19 | * authors: Naomi van der Kolk * | |
20 | * (kolk@nikhef.nl) * | |
21 | * Raimond Snellings * | |
22 | * (snelling@nikhef.nl) * | |
23 | * Ante Bilandzic * | |
24 | * (anteb@nikhef.nl) * | |
25 | * ***********************************/ | |
26 | ||
2ed70edf | 27 | class TFile; |
28 | class TList; | |
29 | class AliAnalysisTaskSE; | |
30 | ||
2188af53 | 31 | #include "Riostream.h" |
7183fe85 | 32 | #include "AliFlowEventSimple.h" |
924fafb7 | 33 | #include "AliAnalysisTaskCumulants.h" |
924fafb7 | 34 | #include "AliFlowAnalysisWithCumulants.h" |
35 | ||
924fafb7 | 36 | ClassImp(AliAnalysisTaskCumulants) |
37 | ||
2188af53 | 38 | //================================================================================================================ |
39 | ||
7183fe85 | 40 | AliAnalysisTaskCumulants::AliAnalysisTaskCumulants(const char *name, Bool_t useWeights): |
2ed70edf | 41 | AliAnalysisTaskSE(name), |
42 | fEvent(NULL), | |
43 | fGFC(NULL), | |
44 | fListHistos(NULL), | |
45 | fUseWeights(useWeights), | |
46 | fUsePhiWeights(kFALSE), | |
47 | fUsePtWeights(kFALSE), | |
48 | fUseEtaWeights(kFALSE), | |
49 | fListWeights(NULL) | |
924fafb7 | 50 | { |
2ed70edf | 51 | // Constructor |
52 | cout<<"AliAnalysisTaskCumulants::AliAnalysisTaskCumulants(const char *name, Bool_t useWeights)"<<endl; | |
fe488c8a | 53 | |
54 | // Define input and output slots here | |
2ed70edf | 55 | // Input slot #0 works with an AliFlowEventSimple |
7183fe85 | 56 | DefineInput(0, AliFlowEventSimple::Class()); |
e5e75b58 | 57 | |
2ed70edf | 58 | // Input slot #1 is needed for the weights input files |
59 | if(useWeights) | |
e5e75b58 | 60 | { |
61 | DefineInput(1, TList::Class()); | |
62 | } | |
2ed70edf | 63 | // Output slot #0 is reserved |
64 | // Output slot #1 writes into a TList container | |
65 | DefineOutput(1, TList::Class()); | |
924fafb7 | 66 | } |
2188af53 | 67 | |
7183fe85 | 68 | AliAnalysisTaskCumulants::AliAnalysisTaskCumulants(): |
2ed70edf | 69 | AliAnalysisTaskSE(), |
70 | fEvent(NULL), | |
71 | fGFC(NULL), | |
72 | fListHistos(NULL), | |
73 | fUseWeights(kFALSE), | |
74 | fUsePhiWeights(kFALSE), | |
75 | fUsePtWeights(kFALSE), | |
76 | fUseEtaWeights(kFALSE), | |
77 | fListWeights(NULL) | |
aaebd73d | 78 | { |
2ed70edf | 79 | // Dummy constructor |
2188af53 | 80 | cout<<"AliAnalysisTaskCumulants::AliAnalysisTaskCumulants()"<<endl; |
81 | } | |
82 | ||
83 | //================================================================================================================ | |
924fafb7 | 84 | |
2ed70edf | 85 | void AliAnalysisTaskCumulants::UserCreateOutputObjects() |
924fafb7 | 86 | { |
2ed70edf | 87 | // Called at every worker node to initialize |
88 | cout<<"AliAnalysisTaskCumulants::UserCreateOutputObjects()"<<endl; | |
2188af53 | 89 | |
2ed70edf | 90 | // Analyser: |
91 | fGFC = new AliFlowAnalysisWithCumulants(); | |
e5e75b58 | 92 | |
2ed70edf | 93 | // Weights: |
e5e75b58 | 94 | if(fUseWeights) |
95 | { | |
2ed70edf | 96 | // Pass the flags to class: |
97 | if(fUsePhiWeights) fGFC->SetUsePhiWeights(fUsePhiWeights); | |
98 | if(fUsePtWeights) fGFC->SetUsePtWeights(fUsePtWeights); | |
99 | if(fUseEtaWeights) fGFC->SetUseEtaWeights(fUseEtaWeights); | |
100 | // Get data from input slot #1 which is used for weights: | |
e5e75b58 | 101 | if(GetNinputs()==2) |
102 | { | |
103 | fListWeights = (TList*)GetInputData(1); | |
104 | } | |
2ed70edf | 105 | // Pass the list with weights to class: |
106 | if(fListWeights) fGFC->SetWeightsList(fListWeights); | |
e5e75b58 | 107 | } |
2188af53 | 108 | |
2ed70edf | 109 | fGFC->Init(); |
110 | ||
111 | if(fGFC->GetHistList()) | |
2188af53 | 112 | { |
2ed70edf | 113 | fListHistos = fGFC->GetHistList(); |
2188af53 | 114 | //fListHistos->Print(); |
2ed70edf | 115 | } else |
116 | { | |
117 | Printf("ERROR: Could not retrieve histogram list (GFC, Task::UserCreateOutputObjects()) !!!!"); | |
118 | } | |
61e0c8c0 | 119 | |
120 | PostData(1,fListHistos); | |
2ed70edf | 121 | |
122 | } // end of void AliAnalysisTaskCumulants::UserCreateOutputObjects() | |
2188af53 | 123 | |
124 | //================================================================================================================ | |
924fafb7 | 125 | |
2ed70edf | 126 | void AliAnalysisTaskCumulants::UserExec(Option_t *) |
924fafb7 | 127 | { |
2ed70edf | 128 | // Main loop (called for each event) |
7183fe85 | 129 | fEvent = dynamic_cast<AliFlowEventSimple*>(GetInputData(0)); |
aaebd73d | 130 | |
2ed70edf | 131 | // Generating function cumulants (GFC): |
7183fe85 | 132 | if(fEvent) |
133 | { | |
2ed70edf | 134 | fGFC->Make(fEvent); |
135 | } else | |
136 | { | |
137 | cout<<"WARNING: No input data (GFC, Task::UserExec()) !!!!"<<endl; | |
138 | } | |
7183fe85 | 139 | |
2ed70edf | 140 | PostData(1,fListHistos); |
141 | ||
142 | } // end of void AliAnalysisTaskCumulants::UserExec(Option_t *) | |
924fafb7 | 143 | |
2188af53 | 144 | //================================================================================================================ |
145 | ||
924fafb7 | 146 | void AliAnalysisTaskCumulants::Terminate(Option_t *) |
aaebd73d | 147 | { |
2ed70edf | 148 | // Accessing the output list which contains the merged 2D and 3D profiles from all worker nodes |
149 | fListHistos = (TList*)GetOutputData(1); | |
2188af53 | 150 | //fListHistos->Print(); |
151 | ||
2ed70edf | 152 | fGFC = new AliFlowAnalysisWithCumulants(); |
fd46c3dd | 153 | |
2188af53 | 154 | if(fListHistos) |
52021ae2 | 155 | { |
2ed70edf | 156 | fGFC->GetOutputHistograms(fListHistos); |
157 | fGFC->Finish(); | |
158 | PostData(1,fListHistos); | |
fd46c3dd | 159 | } else |
160 | { | |
2ed70edf | 161 | cout<<"WARNING: histogram list pointer is empty (GFC, Task::Terminate()) !!!!"<<endl; |
fd46c3dd | 162 | cout<<endl; |
163 | } | |
2ed70edf | 164 | |
165 | } // end of void AliAnalysisTaskCumulants::Terminate(Option_t *) | |
aaebd73d | 166 | |
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