added cdb stuff
[u/mrichter/AliRoot.git] / JETAN / AliJetControlPlots.cxx
CommitLineData
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>
99e5fe42 25#include <TH1I.h>
26#include <TH1D.h>
27#include "AliJetReader.h"
28#include "AliJet.h"
29
30#include "AliJetControlPlots.h"
31ClassImp(AliJetControlPlots)
32
33////////////////////////////////////////////////////////////////////////
34
1b7d5d7e 35AliJetControlPlots::AliJetControlPlots():
36 fNJetsH(0),
37 fMultH(0),
38 fPtH(0),
39 fEtaH(0),
40 fEneH(0),
41 fFragH(0),
42 fFragLnH(0),
43 fFragrH(0),
44 fFragLnrH(0),
45 fShapeH(0),
46 fShaperH(0),
47 fPhiH(0),
48 fInJetH(0),
49 fNJetT(0)
50
99e5fe42 51{
1b7d5d7e 52 // Default constructor
99e5fe42 53
83a444b1 54 // general properties
99e5fe42 55 fNJetsH = new TH1I("fNJetsH","Number of Jets",12,0,11);
56 SetProperties(fNJetsH,"Number of jets","Entries");
57
58 fMultH = new TH1I("fMultH","Multiplicity of Jets",22,0,21);
59 SetProperties(fMultH,"Multiplicity of jets","Entries");
60
83a444b1 61 fInJetH = new TH1D("fInJetH","Percentage of particles in jets",50,0,1);
62 SetProperties(fInJetH,"percentage of particles in jets","Entries");
63
64 // kinematics
99e5fe42 65 fPtH = new TH1D("fPtH","Pt of Jets",50,0.,200.);
66 SetProperties(fPtH,"P_{t} [GeV]","Entries");
67
68 fEtaH = new TH1D("fEtaH","Pseudorapidity of Jets",30,-1.5,1.5);
69 SetProperties(fEtaH,"#eta","Entries");
70
71 fEneH = new TH1D("fEneH","Energy of Jets",50,0.,200.);
72 SetProperties(fEneH,"Energy [GeV]","Entries");
73
99e5fe42 74 fPhiH = new TH1D("fPhiH","Azimuthal angle of Jets",
83a444b1 75 60,0.,2.0*TMath::Pi());
99e5fe42 76 SetProperties(fPhiH,"#phi","Entries");
83a444b1 77
78 // fragmentation
79 fFragH = new TH1D("fFragH","Leading Jet Fragmentation (selected tracks)",
80 20,0.,1.);
81 SetProperties(fFragH,"x=E_{i}/E_{JET}","1/N_{JET}dN_{ch}/dx");
82
83 fFragrH = new TH1D("fFragrH","Leading Jet Fragmentation (rejected tracks)",
84 20,0.,1.);
85 SetProperties(fFragrH,"x=E_{i}/E_{JET}","1/N_{JET}dN_{ch}/dx");
86
87 // fragmentation log
88 fFragLnH = new TH1D("fFragLnH","Leading Jet Fragmentation (selected tracks)",
89 20,0.,10);
90 SetProperties(fFragLnH,"#xi=ln(E_{JET}/E_{i})","1/N_{JET}dN_{ch}/d#xi");
91
92 fFragLnrH = new TH1D("fFragLnrH",
93 "Leading Jet Fragmentation (rejected tracks)",
94 20,0.,10);
95 SetProperties(fFragLnrH,"#xi=ln(E_{JET}/E_{i})","1/N_{JET}dN_{ch}/d#xi");
96
97 // jet shape
98 fShapeH = new TH1D("fShapeH","Leading Jet Shape (selected tracks)",
99 20,0.,1.);
100 SetProperties(fShapeH,"r","1/N_{JET}#Sigma P_{T}(0,r)/P_{T}(0,R)");
101
102 fShaperH = new TH1D("fShaperH","Leading Jet Shape (rejected tracks)",
103 20,0.,1.);
104 SetProperties(fShaperH,"r","1/N_{JET}#Sigma P_{T}(0,r)/P_{T}(0,R)");
99e5fe42 105}
106
107////////////////////////////////////////////////////////////////////////
108
109AliJetControlPlots::~AliJetControlPlots()
110{
99e5fe42 111 // Destructor
99e5fe42 112 delete fNJetsH;
113 delete fMultH;
114 delete fPtH;
115 delete fEtaH;
116 delete fEneH;
99e5fe42 117 delete fPhiH;
118 delete fInJetH;
83a444b1 119 delete fFragH;
120 delete fFragLnH;
121 delete fFragrH;
122 delete fFragLnrH;
123 delete fShapeH;
124 delete fShaperH;
99e5fe42 125}
126
127////////////////////////////////////////////////////////////////////////
128
83a444b1 129void AliJetControlPlots::FillHistos(AliJet *j)
99e5fe42 130{
83a444b1 131 // Fills the histograms
99e5fe42 132 Int_t nj = j->GetNJets();
83a444b1 133 fNJetsH->Fill(nj,1);
134 if (nj == 0) return;
135
99e5fe42 136 // kinematics, occupancy and multiplicities
137 TArrayI mj = j->GetMultiplicities();
138 Int_t mjTot=0;
139 for (Int_t i=0;i<nj;i++) {
140 mjTot+=mj[i];
83a444b1 141 fMultH->Fill(mj[i],1);
142 fPtH->Fill(j->GetPt(i),1);
143 fEtaH->Fill(j->GetEta(i),1);
144 fEneH->Fill(j->GetE(i),1);
145 fPhiH->Fill(j->GetPhi(i),1);
99e5fe42 146 }
83a444b1 147 fInJetH->Fill(((Double_t) mjTot)/((Double_t) j->GetNinput()),1);
148
149 // fragmentation of leading jet
99e5fe42 150 TArrayI inJet = j->GetInJet();
83a444b1 151 TArrayF etain = j->GetEtaIn();
152 TArrayF ptin = j->GetPtIn();
153 for(Int_t i=0;i<(inJet.GetSize());i++) {
154 Float_t t1 = TMath::Tan(2.0*TMath::ATan(TMath::Exp(-etain[i])));
155 Float_t ene = ptin[i]*TMath::Sqrt(1.+1./(t1*t1));
156 if (inJet[i] == 1) {
157 fFragH->Fill((Float_t) ene/(j->GetE(0)),1);
158 fFragLnH->Fill((Float_t) TMath::Log((j->GetE(0))/ene),1);
159 }
160 if (inJet[i] == -1) {
161 fFragrH->Fill((Float_t) ene/(j->GetE(0)),1);
162 fFragLnrH->Fill((Float_t) TMath::Log((j->GetE(0))/ene),1);
163 }
164 }
165
166 // shape of leading jet
167 // * CAREFUL: depends on number of bins and bin sizes
168 // of shape histo. HARDWIRED at the moment *
169 // Plot against dr NOT dr/R_jet!!!
170 TArrayF phiin = j->GetPhiIn();
171 Float_t rptS[20], rptR[20];
172 for(Int_t i=0;i<20;i++) rptS[i]=rptR[i]=0.0;
173
174 for(Int_t i=0;i<inJet.GetSize();i++) {
175 if (inJet[i] == 1 || inJet[i] == -1) {
176 Float_t deta = etain[i] - j->GetEta(0);
177 Float_t dphi = phiin[i] - j->GetPhi(0);
178 if (dphi < -TMath::Pi()) dphi= -dphi - 2.0 * TMath::Pi();
179 if (dphi > TMath::Pi()) dphi = 2.0 * TMath::Pi() - dphi;
180 Float_t dr = TMath::Sqrt(deta * deta + dphi * dphi);
181 if (dr>1) continue;
182 Int_t bin = (Int_t) TMath::Floor(dr/0.05);
183 if (inJet[i] == 1) rptS[bin]+=ptin[i]/(j->GetPt(0));
184 if (inJet[i] == -1) rptR[bin]+=ptin[i]/(j->GetPt(0));
185 }
186 }
187
188 Float_t ptS,ptR,r;
189 ptS=ptR=0.0;
190 for (Int_t i=0;i<20;i++) {
191 ptS+=rptS[i];
192 ptR+=rptR[i];
193 r=(i+1)*0.05-0.025;
194 fShapeH->Fill(r,ptS);
195 fShaperH->Fill(r,ptR);
99e5fe42 196 }
83a444b1 197 fNJetT++;
99e5fe42 198}
199
200////////////////////////////////////////////////////////////////////////
201
202void AliJetControlPlots::Normalize()
203{
83a444b1 204// *CAREFUL: depends on histogram number of bins
99e5fe42 205 if (fNJetT == 0) return;
99e5fe42 206 fFragH->Scale(20.0/((Double_t) fNJetT));
99e5fe42 207 fFragLnH->Scale(2.0/((Double_t) fNJetT));
83a444b1 208 fFragrH->Scale(20.0/((Double_t) fNJetT));
209 fFragLnrH->Scale(2.0/((Double_t) fNJetT));
210 fShapeH->Scale(1.0/((Double_t) fNJetT));
211 fShaperH->Scale(1.0/((Double_t) fNJetT));
99e5fe42 212}
213
214////////////////////////////////////////////////////////////////////////
215
216void AliJetControlPlots::PlotHistos()
217{
218 // style
219 gStyle->SetOptStat(kFALSE);
220 gStyle->SetOptTitle(kFALSE);
221
83a444b1 222 TCanvas *c = new TCanvas("c","AliJetControlPlots",50,200,1200,700);
223 c->Divide(4,3);
99e5fe42 224 c->cd(1); fNJetsH->Draw("e1");
225 c->cd(2); fMultH->Draw("e1");
226 c->cd(3); fInJetH->Draw("e1");
227 c->cd(4); fPtH->Draw("e1");
228 c->cd(5); fEtaH->Draw("e1");
229 c->cd(6); fPhiH->Draw("e1");
230 c->cd(7); fEneH->Draw("e1");
83a444b1 231 c->cd(8); fFragLnH->Draw("e1");
232 c->cd(9); fFragLnrH->Draw("e1");
233 c->cd(10); fShapeH->Draw("e1");
234 c->cd(11); fShaperH->Draw("e1");
99e5fe42 235}
236
237////////////////////////////////////////////////////////////////////////
238
239void AliJetControlPlots::SetProperties(TH1* h,const char* x, const char* y) const
240{
99e5fe42 241// Sets the histogram style properties
242 h->SetMarkerStyle(20);
243 h->SetMarkerSize(.5);
244 h->SetMarkerColor(2);
245 h->SetXTitle(x);
246 h->SetYTitle(y);
83a444b1 247 h->Sumw2();
99e5fe42 248}
249
250