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c0b10ad4 | 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 | //----------------------------------------------------------------------- | |
17 | // Task to prepare efficiency and response matrix for unfolding | |
18 | //----------------------------------------------------------------------- | |
19 | // Author : R. Vernet, INFN - Catania (it) | |
20 | //----------------------------------------------------------------------- | |
21 | ||
22 | ||
23 | #include "TStyle.h" | |
24 | #include "AliCFTaskForUnfolding.h" | |
25 | #include "TCanvas.h" | |
26 | #include "AliStack.h" | |
27 | #include "TParticle.h" | |
28 | #include "TH1I.h" | |
29 | #include "AliMCEvent.h" | |
30 | #include "AliAnalysisManager.h" | |
31 | #include "AliESDEvent.h" | |
32 | #include "AliAODEvent.h" | |
33 | #include "AliCFManager.h" | |
34 | #include "AliCFCutBase.h" | |
35 | #include "AliCFContainer.h" | |
36 | #include "TChain.h" | |
37 | #include "AliESDtrack.h" | |
38 | #include "AliLog.h" | |
39 | #include "THnSparse.h" | |
40 | #include "TH2D.h" | |
41 | ||
42 | ClassImp(AliCFTaskForUnfolding) | |
43 | ||
44 | //__________________________________________________________________________ | |
45 | AliCFTaskForUnfolding::AliCFTaskForUnfolding() : | |
46 | fCFManager(0x0), | |
47 | fHistEventsProcessed(0x0), | |
48 | fCorrelation(0x0) | |
49 | { | |
50 | // | |
51 | //Default ctor | |
52 | // | |
53 | } | |
54 | //___________________________________________________________________________ | |
55 | AliCFTaskForUnfolding::AliCFTaskForUnfolding(const Char_t* name) : | |
56 | AliAnalysisTaskSE(name), | |
57 | fCFManager(0x0), | |
58 | fHistEventsProcessed(0x0), | |
59 | fCorrelation(0x0) | |
60 | { | |
61 | // | |
62 | // Constructor. Initialization of Inputs and Outputs | |
63 | // | |
64 | Info("AliCFTaskForUnfolding","Calling Constructor"); | |
65 | ||
66 | /* | |
67 | DefineInput(0) and DefineOutput(0) | |
68 | are taken care of by AliAnalysisTaskSE constructor | |
69 | */ | |
70 | DefineOutput(1,TH1I::Class()); | |
71 | DefineOutput(2,AliCFContainer::Class()); | |
72 | DefineOutput(3,THnSparseD::Class()); | |
73 | } | |
74 | ||
75 | //___________________________________________________________________________ | |
76 | AliCFTaskForUnfolding::~AliCFTaskForUnfolding() { | |
77 | // | |
78 | //destructor | |
79 | // | |
80 | Info("~AliCFTaskForUnfolding","Calling Destructor"); | |
81 | if (fCFManager) delete fCFManager ; | |
82 | if (fHistEventsProcessed) delete fHistEventsProcessed ; | |
83 | if (fCorrelation) delete fCorrelation ; | |
84 | } | |
85 | ||
86 | //_________________________________________________ | |
87 | void AliCFTaskForUnfolding::UserExec(Option_t *) | |
88 | { | |
89 | // | |
90 | // Main loop function | |
91 | // | |
5acdcbba | 92 | AliInfo("") ; |
c0b10ad4 | 93 | |
94 | AliVEvent* fEvent = fInputEvent ; | |
95 | AliVParticle* track ; | |
96 | ||
97 | if (!fEvent) { | |
98 | Error("UserExec","NO EVENT FOUND!"); | |
99 | return; | |
100 | } | |
101 | ||
102 | if (!fMCEvent) Error("UserExec","NO MC INFO FOUND"); | |
103 | ||
104 | //pass the MC evt handler to the cuts that need it | |
5acdcbba | 105 | fCFManager->SetMCEventInfo(fMCEvent); |
c0b10ad4 | 106 | |
107 | // MC-event selection | |
108 | Double_t containerInput[2] ; | |
109 | ||
110 | //loop on the MC event | |
111 | for (Int_t ipart=0; ipart<fMCEvent->GetNumberOfTracks(); ipart++) { | |
5acdcbba | 112 | AliMCParticle *mcPart = (AliMCParticle*)fMCEvent->GetTrack(ipart); |
c0b10ad4 | 113 | |
114 | if (!fCFManager->CheckParticleCuts(0,mcPart)) continue; | |
115 | containerInput[0] = (Float_t)mcPart->Pt(); | |
116 | containerInput[1] = (Float_t)mcPart->Eta(); | |
117 | fCFManager->GetParticleContainer()->Fill(containerInput,0); | |
118 | } | |
119 | ||
120 | //Now go to rec level | |
121 | for (Int_t iTrack = 0; iTrack<fEvent->GetNumberOfTracks(); iTrack++) { | |
122 | ||
123 | track = fEvent->GetTrack(iTrack); | |
124 | if (!fCFManager->CheckParticleCuts(1,track)) continue; | |
125 | ||
126 | Int_t label = track->GetLabel(); | |
127 | if (label<0) continue; | |
5acdcbba | 128 | AliMCParticle* mcPart = (AliMCParticle*)fMCEvent->GetTrack(label); |
c0b10ad4 | 129 | // check if this track was part of the signal |
130 | if (!fCFManager->CheckParticleCuts(0,mcPart)) continue; | |
131 | ||
132 | //fill the container | |
133 | Double_t mom[3]; | |
134 | track->PxPyPz(mom); | |
135 | Double_t pt=TMath::Sqrt(mom[0]*mom[0]+mom[1]*mom[1]); | |
136 | containerInput[0] = pt; | |
137 | containerInput[1] = track->Eta(); | |
138 | fCFManager->GetParticleContainer()->Fill(containerInput,1) ; | |
139 | containerInput[0] = mcPart->Pt(); | |
140 | containerInput[1] = mcPart->Eta(); | |
141 | fCFManager->GetParticleContainer()->Fill(containerInput,2); | |
142 | ||
143 | Double_t fill[4]; //fill response matrix | |
144 | // dimensions 0&1 : pt,eta (Rec) | |
145 | fill[0] = pt ; | |
146 | fill[1] = track->Eta(); | |
147 | // dimensions 2&3 : pt,eta (MC) | |
148 | fill[2] = mcPart->Pt(); | |
149 | fill[3] = mcPart->Eta(); | |
150 | fCorrelation->Fill(fill); | |
151 | } | |
152 | ||
153 | fHistEventsProcessed->Fill(0); | |
154 | ||
155 | /* PostData(0) is taken care of by AliAnalysisTaskSE */ | |
156 | PostData(1,fHistEventsProcessed) ; | |
157 | PostData(2,fCFManager->GetParticleContainer()) ; | |
158 | PostData(3,fCorrelation) ; | |
159 | } | |
160 | ||
161 | ||
162 | //___________________________________________________________________________ | |
163 | void AliCFTaskForUnfolding::Terminate(Option_t*) | |
164 | { | |
165 | // The Terminate() function is the last function to be called during | |
166 | // a query. It always runs on the client, it can be used to present | |
167 | // the results graphically or save the results to file. | |
168 | ||
169 | Info("Terminate",""); | |
170 | AliAnalysisTaskSE::Terminate(); | |
171 | ||
172 | gStyle->SetPalette(1); | |
173 | ||
174 | //draw some example plots.... | |
175 | ||
176 | AliCFContainer *cont= dynamic_cast<AliCFContainer*> (GetOutputData(2)); | |
177 | TH2D* h00 = cont->ShowProjection(0,1,0) ; | |
178 | TH2D* h01 = cont->ShowProjection(0,1,1) ; | |
179 | THnSparseD* hcorr = dynamic_cast<THnSparseD*> (GetOutputData(3)); | |
180 | ||
181 | TCanvas * c =new TCanvas("c","",800,400); | |
182 | c->Divide(2,1); | |
183 | c->cd(1); | |
184 | h00->Draw("text"); | |
185 | c->cd(2); | |
186 | h01->Draw("text"); | |
187 | c->SaveAs("spectra.eps"); | |
188 | ||
189 | TCanvas * c2 =new TCanvas("c2","",800,400); | |
190 | c2->Divide(2,1); | |
191 | c2->cd(1); | |
192 | hcorr->Projection(0,2)->Draw("text"); | |
193 | c2->cd(2); | |
194 | hcorr->Projection(1,3)->Draw("text"); | |
195 | c2->SaveAs("correlation.eps"); | |
196 | } | |
197 | ||
198 | ||
199 | //___________________________________________________________________________ | |
200 | void AliCFTaskForUnfolding::UserCreateOutputObjects() { | |
201 | //HERE ONE CAN CREATE OUTPUT OBJECTS, IN PARTICULAR IF THE OBJECT PARAMETERS DON'T NEED | |
202 | //TO BE SET BEFORE THE EXECUTION OF THE TASK | |
203 | // | |
204 | Info("CreateOutputObjects","CreateOutputObjects of task %s", GetName()); | |
205 | ||
206 | //slot #1 | |
207 | OpenFile(1); | |
208 | fHistEventsProcessed = new TH1I("fHistEventsProcessed","",1,0,1) ; | |
209 | ||
210 | // OpenFile(2); | |
211 | // OpenFile(3); | |
212 | } | |
213 |