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99e5fe42 | 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 | // Jet Control Plots class | |
18 | // manages histograms with control plots of jet searching | |
19 | // Stores the output of a jet algorithm | |
20 | // Author: jgcn@mda.cinvestav.mx | |
21 | //--------------------------------------------------------------------- | |
22 | ||
23 | #include <TStyle.h> | |
24 | #include <TCanvas.h> | |
25 | #include <TLorentzVector.h> | |
26 | #include <TFile.h> | |
27 | #include <TClonesArray.h> | |
28 | #include <TH1I.h> | |
29 | #include <TH1D.h> | |
30 | #include "AliJetReader.h" | |
31 | #include "AliJet.h" | |
32 | ||
33 | #include "AliJetControlPlots.h" | |
34 | ClassImp(AliJetControlPlots) | |
35 | ||
36 | //////////////////////////////////////////////////////////////////////// | |
37 | ||
38 | AliJetControlPlots::AliJetControlPlots() | |
39 | { | |
40 | // | |
41 | // Constructor | |
42 | // | |
43 | fNJetT=0; | |
44 | ||
45 | fNJetsH = new TH1I("fNJetsH","Number of Jets",12,0,11); | |
46 | SetProperties(fNJetsH,"Number of jets","Entries"); | |
47 | ||
48 | fMultH = new TH1I("fMultH","Multiplicity of Jets",22,0,21); | |
49 | SetProperties(fMultH,"Multiplicity of jets","Entries"); | |
50 | ||
51 | fPtH = new TH1D("fPtH","Pt of Jets",50,0.,200.); | |
52 | SetProperties(fPtH,"P_{t} [GeV]","Entries"); | |
53 | ||
54 | fEtaH = new TH1D("fEtaH","Pseudorapidity of Jets",30,-1.5,1.5); | |
55 | SetProperties(fEtaH,"#eta","Entries"); | |
56 | ||
57 | fEneH = new TH1D("fEneH","Energy of Jets",50,0.,200.); | |
58 | SetProperties(fEneH,"Energy [GeV]","Entries"); | |
59 | ||
60 | fFragH = new TH1D("fFragH","Jet Fragmentation",20,0.,1.); | |
61 | SetProperties(fFragH,"x=E_{i}/E_{JET}","1/N_{JET}dN_{ch}/dx"); | |
62 | ||
63 | fFragLnH = new TH1D("fFragLnH","Jet Fragmentation",20,0.,10); | |
64 | SetProperties(fFragLnH,"#xi=ln(E_{JET}/E_{i}","1/N_{JET}dN_{ch}/d#xi"); | |
65 | ||
66 | fPhiH = new TH1D("fPhiH","Azimuthal angle of Jets", | |
67 | 60,-TMath::Pi(),TMath::Pi()); | |
68 | SetProperties(fPhiH,"#phi","Entries"); | |
69 | ||
70 | fInJetH = new TH1D("fInJetH","Percentage of particles in jets", | |
71 | 50,0,1); | |
72 | SetProperties(fInJetH,"percentage of particles in jets","Entries"); | |
73 | } | |
74 | ||
75 | //////////////////////////////////////////////////////////////////////// | |
76 | ||
77 | AliJetControlPlots::~AliJetControlPlots() | |
78 | { | |
79 | // | |
80 | // Destructor | |
81 | // | |
82 | delete fNJetsH; | |
83 | delete fMultH; | |
84 | delete fPtH; | |
85 | delete fEtaH; | |
86 | delete fEneH; | |
87 | delete fFragH; | |
88 | delete fFragLnH; | |
89 | delete fPhiH; | |
90 | delete fInJetH; | |
91 | } | |
92 | ||
93 | //////////////////////////////////////////////////////////////////////// | |
94 | ||
95 | void AliJetControlPlots::FillHistos(AliJet *j, AliJetReader *r) | |
96 | { | |
97 | // Fills the histograms | |
98 | ||
99 | Int_t nj = j->GetNJets(); | |
100 | fNJetsH->Fill(nj); | |
101 | fNJetT+=nj; | |
102 | ||
103 | // kinematics, occupancy and multiplicities | |
104 | TArrayI mj = j->GetMultiplicities(); | |
105 | Int_t mjTot=0; | |
106 | for (Int_t i=0;i<nj;i++) { | |
107 | mjTot+=mj[i]; | |
108 | fMultH->Fill(mj[i]); | |
109 | fPtH->Fill(j->GetPt(i)); | |
110 | fEtaH->Fill(j->GetEta(i)); | |
111 | fEneH->Fill(j->GetE(i)); | |
112 | fPhiH->Fill(j->GetPhi(i)); | |
113 | } | |
114 | if (nj>0) | |
115 | fInJetH->Fill(((Double_t) mjTot)/((Double_t) j->GetNinput())); | |
116 | ||
117 | // fragmentation | |
118 | TClonesArray *lvArray = r->GetMomentumArray(); | |
119 | TArrayI inJet = j->GetInJet(); | |
120 | Int_t nIn = j->GetNinput(); | |
121 | for(Int_t i=0;i<nIn;i++) { | |
122 | if (inJet[i] == -1) continue; | |
123 | TLorentzVector *lv = (TLorentzVector*) lvArray->At(i); | |
124 | Double_t xe = (lv->E())/(j->GetE(inJet[i])); | |
125 | fFragH->Fill(xe); | |
126 | fFragLnH->Fill(TMath::Log(1.0/xe)); | |
127 | } | |
128 | } | |
129 | ||
130 | //////////////////////////////////////////////////////////////////////// | |
131 | ||
132 | void AliJetControlPlots::Normalize() | |
133 | { | |
134 | if (fNJetT == 0) return; | |
135 | fFragH->Sumw2(); | |
136 | fFragH->Scale(20.0/((Double_t) fNJetT)); | |
137 | fFragLnH->Sumw2(); | |
138 | fFragLnH->Scale(2.0/((Double_t) fNJetT)); | |
139 | } | |
140 | ||
141 | //////////////////////////////////////////////////////////////////////// | |
142 | ||
143 | void AliJetControlPlots::PlotHistos() | |
144 | { | |
145 | // style | |
146 | gStyle->SetOptStat(kFALSE); | |
147 | gStyle->SetOptTitle(kFALSE); | |
148 | ||
149 | TCanvas *c = new TCanvas("c","AliJetControlPlots",50,200,900,700); | |
150 | c->Divide(3,3); | |
151 | c->cd(1); fNJetsH->Draw("e1"); | |
152 | c->cd(2); fMultH->Draw("e1"); | |
153 | c->cd(3); fInJetH->Draw("e1"); | |
154 | c->cd(4); fPtH->Draw("e1"); | |
155 | c->cd(5); fEtaH->Draw("e1"); | |
156 | c->cd(6); fPhiH->Draw("e1"); | |
157 | c->cd(7); fEneH->Draw("e1"); | |
158 | c->cd(8); fFragH->Draw("e1"); | |
159 | c->cd(9); fFragLnH->Draw("e1"); | |
160 | } | |
161 | ||
162 | //////////////////////////////////////////////////////////////////////// | |
163 | ||
164 | void AliJetControlPlots::SetProperties(TH1* h,const char* x, const char* y) const | |
165 | { | |
166 | // | |
167 | // Sets the histogram style properties | |
168 | h->SetMarkerStyle(20); | |
169 | h->SetMarkerSize(.5); | |
170 | h->SetMarkerColor(2); | |
171 | h->SetXTitle(x); | |
172 | h->SetYTitle(y); | |
173 | } | |
174 | ||
175 |