|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
#include <iostream>
#include "DataFormats/JetReco/interface/GenJetCollection.h"
// essentials !!!
#include "FWCore/Framework/interface/Event.h"
#include "DataFormats/Common/interface/Handle.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/ServiceRegistry/interface/Service.h"
#include "CommonTools/UtilAlgos/interface/TFileService.h"
#include "TH1.h"
#include "FWCore/Framework/interface/one/EDAnalyzer.h"
class BasicGenJetTester : public edm::one::EDAnalyzer<edm::one::SharedResources> {
public:
//
explicit BasicGenJetTester(const edm::ParameterSet&);
~BasicGenJetTester() override = default; // no need to delete ROOT stuff
// as it'll be deleted upon closing TFile
void analyze(const edm::Event&, const edm::EventSetup&) override;
void beginJob() override;
void endJob() override {}
private:
const double fQCut;
const edm::EDGetTokenT<reco::GenJetCollection> ak5GenJetToken_;
TH1F* fNJets;
TH1F* fNJetsAboveQCut;
TH1D* fLeadingJetPt;
TH1D* fLeadingJetEta;
TH1D* fNext2LeadingJetPt;
TH1D* fNext2LeadingJetEta;
TH1D* fLowestJetHt;
TH1D* fLowestJetEta;
};
BasicGenJetTester::BasicGenJetTester(const edm::ParameterSet& pset)
: fQCut(pset.getParameter<double>("qcut")),
ak5GenJetToken_(consumes<reco::GenJetCollection>("ak5GenJets")),
fNJets(0),
fNJetsAboveQCut(0),
fLeadingJetPt(0),
fLeadingJetEta(0),
fNext2LeadingJetPt(0),
fNext2LeadingJetEta(0),
fLowestJetHt(0),
fLowestJetEta(0) {
usesResource(TFileService::kSharedResource);
}
void BasicGenJetTester::beginJob() {
edm::Service<TFileService> fs;
fNJets = fs->make<TH1F>("NJets", "Number of Jets (total)", 50, 0., 50.);
fNJetsAboveQCut = fs->make<TH1F>("NJetsAboveQCut", "Number of Jets (above qcut)", 10, 0., 10.);
fLeadingJetPt = fs->make<TH1D>("LeadingJetPt", "Leading Jet Pt", 100, 0., 250.);
fLeadingJetEta = fs->make<TH1D>("LeadingJetEta", "Leading Jet Eta", 100, -5.0, 5.0);
fNext2LeadingJetPt = fs->make<TH1D>("Next2LeadingJetPt", "Next to Leading Jet Pt", 100, 0., 250.);
fNext2LeadingJetEta = fs->make<TH1D>("Next2LeadingJetEta", "Next to Leading Jet Eta", 100, -5.0, 5.0);
fLowestJetHt = fs->make<TH1D>("LowestJetHt", "Ht (Lowest Jet above qcut)", 100, 0., 250.);
fLowestJetEta = fs->make<TH1D>("LowestJetEta", "Lowest Jet Eta", 100, -5.0, 5.0);
return;
}
void BasicGenJetTester::analyze(const edm::Event& e, const edm::EventSetup&) {
// here's an example of accessing GenJetCollection
// find initial (unsmeared, unfiltered,...) HepMCProduct
//
const edm::Handle<reco::GenJetCollection>& ak5GenJetHandle = e.getHandle(ak5GenJetToken_);
//const edm::Handle<reco::GenJetCollection>& ak7GenJetHandle = e.getHandle(ak7GenJetToken_);
int NGenJets5 = ak5GenJetHandle->size();
// int NGenJets7 = ak7GenJetHandle->size();
if (NGenJets5 <= 0)
return;
fNJets->Fill((float)NGenJets5);
int NGenJets5AboveQCut = 0;
reco::GenJet GJet;
for (unsigned int idx = 0; idx < ak5GenJetHandle->size(); ++idx) {
GJet = (*ak5GenJetHandle)[idx];
double pt = GJet.pt(); //cout << ": pt=" << pt;
if (pt < fQCut)
continue;
NGenJets5AboveQCut++;
}
if (NGenJets5AboveQCut <= 0)
return;
fNJetsAboveQCut->Fill((float)NGenJets5AboveQCut);
// leading jet
//
GJet = (*ak5GenJetHandle)[0];
fLeadingJetPt->Fill(GJet.pt());
fLeadingJetEta->Fill(GJet.eta());
if (NGenJets5AboveQCut <= 1)
return;
// next-to-leading jet
//
GJet = (*ak5GenJetHandle)[1];
fNext2LeadingJetPt->Fill(GJet.pt());
fNext2LeadingJetEta->Fill(GJet.eta());
if (NGenJets5AboveQCut <= 2)
return;
// lowest jet (above qcut)
//
GJet = (*ak5GenJetHandle)[NGenJets5AboveQCut - 1];
fLowestJetHt->Fill(GJet.pt());
fLowestJetEta->Fill(GJet.eta());
return;
}
DEFINE_FWK_MODULE(BasicGenJetTester);
|