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734d2c12 | 1 | #include "TChain.h" |
2 | #include "TTree.h" | |
3 | #include "TList.h" | |
4 | #include "TH2F.h" | |
aafecd8b | 5 | #include "TF1.h" |
734d2c12 | 6 | #include "TCanvas.h" |
7 | #include "TLorentzVector.h" | |
8 | ||
9 | #include "AliAnalysisTask.h" | |
10 | #include "AliAnalysisManager.h" | |
11 | ||
12 | #include "AliESDEvent.h" | |
13 | #include "AliESDInputHandler.h" | |
b620b667 | 14 | #include "AliAODEvent.h" |
15 | #include "AliAODInputHandler.h" | |
734d2c12 | 16 | |
c5ba3680 | 17 | #include "AliProtonAnalysis.h" |
734d2c12 | 18 | #include "AliAnalysisTaskProtons.h" |
19 | ||
20 | // Analysis task creating a the 2d y-p_t spectrum of p and antip | |
21 | // Author: Panos Cristakoglou | |
22 | ||
23 | ClassImp(AliAnalysisTaskProtons) | |
24 | ||
25 | //________________________________________________________________________ | |
26 | AliAnalysisTaskProtons::AliAnalysisTaskProtons(const char *name) | |
b620b667 | 27 | : AliAnalysisTask(name, ""), fESD(0), fAOD(0), fAnalysisType("ESD"), |
28 | fList(0), fAnalysis(0), | |
aafecd8b | 29 | fElectronFunction(0), fMuonFunction(0), |
30 | fPionFunction(0), fKaonFunction(0), fProtonFunction(0), | |
31 | fFunctionUsed(kFALSE) { | |
734d2c12 | 32 | // Constructor |
33 | ||
34 | // Define input and output slots here | |
35 | // Input slot #0 works with a TChain | |
36 | DefineInput(0, TChain::Class()); | |
37 | // Output slot #0 writes into a TList container | |
38 | DefineOutput(0, TList::Class()); | |
39 | } | |
40 | ||
41 | //________________________________________________________________________ | |
42 | void AliAnalysisTaskProtons::ConnectInputData(Option_t *) { | |
43 | // Connect ESD or AOD here | |
44 | // Called once | |
45 | ||
46 | TTree* tree = dynamic_cast<TTree*> (GetInputData(0)); | |
47 | if (!tree) { | |
48 | Printf("ERROR: Could not read chain from input slot 0"); | |
49 | } else { | |
50 | // Disable all branches and enable only the needed ones | |
51 | // The next two lines are different when data produced as AliESDEvent is read | |
b620b667 | 52 | if(fAnalysisType == "ESD") { |
c5ba3680 | 53 | // In train mode branches can be disabled at the level of ESD handler (M.G.) |
54 | // tree->SetBranchStatus("*", kFALSE); | |
55 | tree->SetBranchStatus("*Tracks.*", kTRUE); | |
b620b667 | 56 | |
57 | AliESDInputHandler *esdH = dynamic_cast<AliESDInputHandler*> (AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()); | |
58 | ||
59 | if (!esdH) { | |
60 | Printf("ERROR: Could not get ESDInputHandler"); | |
61 | } else | |
62 | fESD = esdH->GetEvent(); | |
63 | } | |
64 | else if(fAnalysisType == "AOD") { | |
65 | AliAODInputHandler *aodH = dynamic_cast<AliAODInputHandler*> (AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()); | |
66 | ||
67 | if (!aodH) { | |
68 | Printf("ERROR: Could not get AODInputHandler"); | |
69 | } else | |
70 | fAOD = aodH->GetEvent(); | |
71 | } | |
72 | else | |
73 | Printf("Wrong analysis type: Only ESD and AOD types are allowed!"); | |
734d2c12 | 74 | } |
75 | } | |
76 | ||
77 | //________________________________________________________________________ | |
78 | void AliAnalysisTaskProtons::CreateOutputObjects() { | |
79 | // Create histograms | |
80 | // Called once | |
81 | Double_t partFrac[5] = {0.01, 0.01, 0.85, 0.10, 0.05}; | |
82 | ||
83 | fAnalysis = new AliProtonAnalysis(); | |
84 | fAnalysis->InitHistograms(10,-1.0,1.0,30,0.1,3.1); | |
b620b667 | 85 | if(fAnalysisType == "ESD") { |
86 | fAnalysis->SetMinTPCClusters(50); | |
87 | fAnalysis->SetMinITSClusters(1); | |
88 | fAnalysis->SetMaxChi2PerTPCCluster(3.5); | |
89 | fAnalysis->SetMaxCov11(2.0); | |
90 | fAnalysis->SetMaxCov22(2.0); | |
91 | fAnalysis->SetMaxCov33(0.5); | |
92 | fAnalysis->SetMaxCov44(0.5); | |
93 | fAnalysis->SetMaxCov55(2.0); | |
94 | fAnalysis->SetMaxSigmaToVertex(3.); | |
95 | fAnalysis->SetITSRefit(); | |
96 | fAnalysis->SetTPCRefit(); | |
97 | } | |
aafecd8b | 98 | if(fFunctionUsed) |
99 | fAnalysis->SetPriorProbabilityFunctions(fElectronFunction, | |
100 | fMuonFunction, | |
101 | fPionFunction, | |
102 | fKaonFunction, | |
103 | fProtonFunction); | |
104 | else | |
105 | fAnalysis->SetPriorProbabilities(partFrac); | |
738619fd | 106 | |
107 | fList = new TList(); | |
108 | fList->Add(fAnalysis->GetProtonYPtHistogram()); | |
109 | fList->Add(fAnalysis->GetAntiProtonYPtHistogram()); | |
734d2c12 | 110 | } |
111 | ||
112 | //________________________________________________________________________ | |
113 | void AliAnalysisTaskProtons::Exec(Option_t *) { | |
114 | // Main loop | |
115 | // Called for each event | |
116 | ||
b620b667 | 117 | if(fAnalysisType == "ESD") { |
118 | if (!fESD) { | |
119 | Printf("ERROR: fESD not available"); | |
120 | return; | |
121 | } | |
734d2c12 | 122 | |
b620b667 | 123 | Printf("Proton analysis task: There are %d tracks in this event", fESD->GetNumberOfTracks()); |
124 | fAnalysis->Analyze(fESD); | |
125 | } | |
126 | else if(fAnalysisType == "AOD") { | |
127 | if (!fAOD) { | |
128 | Printf("ERROR: fAOD not available"); | |
129 | return; | |
130 | } | |
131 | ||
132 | Printf("Proton analysis task: There are %d tracks in this event", fAOD->GetNumberOfTracks()); | |
133 | fAnalysis->Analyze(fAOD); | |
134 | } | |
734d2c12 | 135 | |
136 | // Post output data. | |
137 | PostData(0, fList); | |
138 | } | |
139 | ||
140 | //________________________________________________________________________ | |
141 | void AliAnalysisTaskProtons::Terminate(Option_t *) { | |
142 | // Draw result to the screen | |
143 | // Called once at the end of the query | |
144 | ||
145 | fList = dynamic_cast<TList*> (GetOutputData(0)); | |
146 | if (!fList) { | |
147 | Printf("ERROR: fList not available"); | |
148 | return; | |
149 | } | |
150 | ||
151 | TH2F *fHistYPtProtons = (TH2F *)fList->At(0); | |
152 | TH2F *fHistYPtAntiProtons = (TH2F *)fList->At(1); | |
153 | ||
154 | TCanvas *c2 = new TCanvas("c2","p-\bar{p}",200,0,800,400); | |
155 | c2->SetFillColor(10); c2->SetHighLightColor(10); c2->Divide(2,1); | |
156 | ||
157 | c2->cd(1)->SetLeftMargin(0.15); c2->cd(1)->SetBottomMargin(0.15); | |
158 | if (fHistYPtProtons) fHistYPtProtons->DrawCopy("colz"); | |
159 | c2->cd(2)->SetLeftMargin(0.15); c2->cd(2)->SetBottomMargin(0.15); | |
160 | if (fHistYPtAntiProtons) fHistYPtAntiProtons->DrawCopy("colz"); | |
161 | } | |
162 | ||
163 |