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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 | // AliAnalysisTaskScalarProduct: | |
18 | // | |
19 | // analysis task for Scalar Product Method | |
20 | // | |
21 | // Author: Naomi van der Kolk (kolk@nikhef.nl) | |
22 | /////////////////////////////////////////////// | |
23 | ||
24 | ||
25 | #include "Riostream.h" //needed as include | |
26 | ||
27 | class TFile; | |
28 | class TList; | |
29 | class AliAnalysisTaskSE; | |
30 | ||
31 | #include "TProfile.h" //needed as include | |
32 | #include "AliAnalysisManager.h" | |
33 | #include "AliFlowEventSimple.h" | |
34 | ||
35 | #include "AliAnalysisTaskScalarProduct.h" | |
36 | #include "AliFlowAnalysisWithScalarProduct.h" | |
37 | #include "AliFlowCommonHist.h" | |
38 | #include "AliFlowCommonHistResults.h" | |
39 | ||
40 | #include "AliLog.h" | |
41 | ||
42 | using std::endl; | |
43 | using std::cout; | |
44 | ClassImp(AliAnalysisTaskScalarProduct) | |
45 | ||
46 | //________________________________________________________________________ | |
47 | AliAnalysisTaskScalarProduct::AliAnalysisTaskScalarProduct(const char *name, Bool_t usePhiWeights) : | |
48 | AliAnalysisTaskSE(name), | |
49 | fEvent(NULL), | |
50 | fSP(NULL), | |
51 | fListHistos(NULL), | |
52 | fMinimalBook(kFALSE), | |
53 | fUsePhiWeights(usePhiWeights), | |
54 | fListWeights(NULL), | |
55 | fRelDiffMsub(1.0), | |
56 | fApplyCorrectionForNUA(kFALSE), | |
57 | fHarmonic(2), | |
58 | fNormalizationType(1), | |
59 | fTotalQvector(NULL) | |
60 | { | |
61 | // Constructor | |
62 | AliDebug(2,"AliAnalysisTaskScalarProduct::AliAnalysisTaskScalarProduct(const char *name)"); | |
63 | ||
64 | // Define input and output slots here | |
65 | // Input slot #0 works with an AliFlowEventSimple | |
66 | DefineInput(0, AliFlowEventSimple::Class()); | |
67 | // Input slot #1 is needed for the weights input file | |
68 | if(usePhiWeights) { | |
69 | DefineInput(1, TList::Class()); } | |
70 | // Output slot #0 writes into a TList container | |
71 | DefineOutput(1, TList::Class()); | |
72 | ||
73 | // Total Q-vector is: "QaQb" (means Qa+Qb), "Qa" or "Qb" | |
74 | fTotalQvector = new TString("QaQb"); | |
75 | } | |
76 | ||
77 | //________________________________________________________________________ | |
78 | AliAnalysisTaskScalarProduct::AliAnalysisTaskScalarProduct() : | |
79 | AliAnalysisTaskSE(), | |
80 | fEvent(NULL), | |
81 | fSP(NULL), | |
82 | fListHistos(NULL), | |
83 | fMinimalBook(kFALSE), | |
84 | fUsePhiWeights(kFALSE), | |
85 | fListWeights(NULL), | |
86 | fRelDiffMsub(1.0), | |
87 | fApplyCorrectionForNUA(kFALSE), | |
88 | fHarmonic(0), | |
89 | fNormalizationType(1), | |
90 | fTotalQvector(NULL) | |
91 | { | |
92 | // Constructor | |
93 | AliDebug(2,"AliAnalysisTaskScalarProduct::AliAnalysisTaskScalarProduct()"); | |
94 | } | |
95 | ||
96 | //________________________________________________________________________ | |
97 | AliAnalysisTaskScalarProduct::~AliAnalysisTaskScalarProduct() | |
98 | { | |
99 | // | |
100 | // Destructor | |
101 | // | |
102 | ||
103 | // histograms are in the output list and deleted when the output | |
104 | // list is deleted by the TSelector dtor | |
105 | ||
106 | // if (ListHistos) { | |
107 | // delete fListHistos; | |
108 | // fListHistos = NULL; | |
109 | // } | |
110 | } | |
111 | ||
112 | //________________________________________________________________________ | |
113 | void AliAnalysisTaskScalarProduct::UserCreateOutputObjects() | |
114 | { | |
115 | // Called at every worker node to initialize | |
116 | AliDebug(2,"AliAnalysisTaskScalarProduct::CreateOutputObjects()"); | |
117 | ||
118 | //Analyser | |
119 | fSP = new AliFlowAnalysisWithScalarProduct(); | |
120 | fSP->SetBookOnlyBasicCCH(fMinimalBook); | |
121 | ||
122 | //set the allowed relative difference in the subevent multiplicities | |
123 | //fSP->SetRelDiffMsub(fRelDiffMsub); | |
124 | ||
125 | //apply automatic correction for non-uniform acceptance: | |
126 | if (fApplyCorrectionForNUA) { | |
127 | AliDebug(2,"Corrections for non-uniform acceptance applied in the Scalar Product method"); | |
128 | } | |
129 | fSP->SetApplyCorrectionForNUA(fApplyCorrectionForNUA); | |
130 | // harmonic: | |
131 | fSP->SetHarmonic(fHarmonic); | |
132 | fSP->SetNormalizationType( fNormalizationType ); | |
133 | // total Q-vector: | |
134 | Int_t totalQ = 0; | |
135 | if( fTotalQvector->Contains("Qa") ) totalQ += 1; | |
136 | if( fTotalQvector->Contains("Qb") ) totalQ += 2; | |
137 | fSP->SetTotalQvector( totalQ ); | |
138 | //for using phi weights: | |
139 | if(fUsePhiWeights) { | |
140 | //pass the flag to the analysis class: | |
141 | fSP->SetUsePhiWeights(fUsePhiWeights); | |
142 | //get data from input slot #1 which is used for weights: | |
143 | if(GetNinputs()==2) { | |
144 | fListWeights = (TList*)GetInputData(1); | |
145 | } | |
146 | //pass the list with weights to the analysis class: | |
147 | if(fListWeights) fSP->SetWeightsList(fListWeights); | |
148 | } | |
149 | ||
150 | fSP-> Init(); | |
151 | ||
152 | if (fSP->GetHistList()) { | |
153 | fListHistos = fSP->GetHistList(); | |
154 | } | |
155 | else {Printf("ERROR: Could not retrieve histogram list"); } | |
156 | ||
157 | PostData(1,fListHistos); | |
158 | ||
159 | } | |
160 | ||
161 | //________________________________________________________________________ | |
162 | void AliAnalysisTaskScalarProduct::UserExec(Option_t *) | |
163 | { | |
164 | // Main loop | |
165 | // Called for each event | |
166 | ||
167 | ||
168 | fEvent = dynamic_cast<AliFlowEventSimple*>(GetInputData(0)); | |
169 | if (fEvent){ | |
170 | fSP->ProcessEvent(fEvent); | |
171 | } | |
172 | else { | |
173 | cout << "Warning no input data for Scalar Product task!!!" << endl; | |
174 | } | |
175 | ||
176 | //fListHistos->Print(); | |
177 | PostData(1,fListHistos); | |
178 | ||
179 | } | |
180 | ||
181 | //________________________________________________________________________ | |
182 | void AliAnalysisTaskScalarProduct::Terminate(Option_t *) | |
183 | { | |
184 | // Called once at the end of the query | |
185 | AliFlowAnalysisWithScalarProduct* fSPTerm = new AliFlowAnalysisWithScalarProduct() ; | |
186 | fListHistos = (TList*)GetOutputData(1); | |
187 | if (fListHistos) { | |
188 | fSPTerm -> GetOutputHistograms(fListHistos); | |
189 | fSPTerm -> Finish(); | |
190 | PostData(1,fListHistos); | |
191 | } | |
192 | ||
193 | else { cout << "histgram list pointer is empty in Scalar Product" << endl; } | |
194 | ||
195 | } |