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// -*- C++ -*-
//
// Package: IsolatedParticles
// Class: IsolatedParticlesGeneratedJets
//
/**\class IsolatedParticlesGeneratedJets IsolatedParticlesGeneratedJets.cc Calibration/IsolatedParticles/plugins/IsolatedParticlesGeneratedJets.cc
Description: Studies properties of jets at generator level in context of
isolated particles
Implementation:
<Notes on implementation>
*/
//
// Original Author: Seema Sharma
// Created: Thu Mar 4 18:52:02 CST 2010
//
//
// user include files
#include "DataFormats/HepMCCandidate/interface/GenParticle.h"
#include "DataFormats/JetReco/interface/GenJet.h"
#include "DataFormats/JetReco/interface/GenJetCollection.h"
#include "DataFormats/HepMCCandidate/interface/GenParticleFwd.h"
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/one/EDAnalyzer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
//TFile Service
#include "FWCore/ServiceRegistry/interface/Service.h"
#include "CommonTools/UtilAlgos/interface/TFileService.h"
#include "RecoJets/JetProducers/interface/JetMatchingTools.h"
// root objects
#include "TROOT.h"
#include "TSystem.h"
#include "TFile.h"
#include "TH1F.h"
#include "TH2F.h"
#include "TProfile.h"
#include "TDirectory.h"
#include "TTree.h"
class IsolatedParticlesGeneratedJets : public edm::one::EDAnalyzer<edm::one::SharedResources> {
public:
explicit IsolatedParticlesGeneratedJets(const edm::ParameterSet &);
~IsolatedParticlesGeneratedJets() override {}
static void fillDescriptions(edm::ConfigurationDescriptions &descriptions);
private:
void beginJob() override;
void analyze(const edm::Event &, const edm::EventSetup &) override;
void endJob() override {}
void bookHistograms();
void clearTreeVectors();
const bool debug_;
TTree *tree_;
const edm::EDGetTokenT<reco::GenJetCollection> tok_jets_;
const edm::EDGetTokenT<reco::GenParticleCollection> tok_parts_;
std::vector<int> *t_gjetN;
std::vector<double> *t_gjetE, *t_gjetPt, *t_gjetEta, *t_gjetPhi;
std::vector<std::vector<double> > *t_jetTrkP;
std::vector<std::vector<double> > *t_jetTrkPt;
std::vector<std::vector<double> > *t_jetTrkEta;
std::vector<std::vector<double> > *t_jetTrkPhi;
std::vector<std::vector<double> > *t_jetTrkPdg;
std::vector<std::vector<double> > *t_jetTrkCharge;
};
IsolatedParticlesGeneratedJets::IsolatedParticlesGeneratedJets(const edm::ParameterSet &iConfig)
: debug_(iConfig.getUntrackedParameter<bool>("Debug", false)),
tok_jets_(consumes<reco::GenJetCollection>(iConfig.getParameter<edm::InputTag>("JetSource"))),
tok_parts_(consumes<reco::GenParticleCollection>(iConfig.getParameter<edm::InputTag>("ParticleSource"))) {
usesResource(TFileService::kSharedResource);
}
void IsolatedParticlesGeneratedJets::fillDescriptions(edm::ConfigurationDescriptions &descriptions) {
edm::ParameterSetDescription desc;
desc.addUntracked<bool>("Debug", true);
desc.add<edm::InputTag>("JetSource", edm::InputTag("ak5GenJets"));
desc.add<edm::InputTag>("ParticleSource", edm::InputTag("genParticles"));
descriptions.add("isolatedParticlesGeneratedJets", desc);
}
void IsolatedParticlesGeneratedJets::analyze(const edm::Event &iEvent, const edm::EventSetup &iSetup) {
//using namespace edm;
clearTreeVectors();
//=== genJet information
edm::Handle<reco::GenJetCollection> genJets;
iEvent.getByToken(tok_jets_, genJets);
//=== genJet information
edm::Handle<reco::GenParticleCollection> genParticles;
iEvent.getByToken(tok_parts_, genParticles);
JetMatchingTools jetMatching(iEvent, consumesCollector());
std::vector<std::vector<const reco::GenParticle *> > genJetConstituents(genJets->size());
int njets = 0;
for (unsigned iGenJet = 0; iGenJet < genJets->size(); ++iGenJet) {
const reco::GenJet &genJet = (*genJets)[iGenJet];
double genJetE = genJet.energy();
double genJetPt = genJet.pt();
double genJetEta = genJet.eta();
double genJetPhi = genJet.phi();
if (genJetPt > 30.0 && std::abs(genJetEta) < 3.0) {
njets++;
std::vector<const reco::GenParticle *> genJetConstituents = jetMatching.getGenParticles((*genJets)[iGenJet]);
std::vector<double> v_trkP, v_trkPt, v_trkEta, v_trkPhi, v_trkPdg, v_trkCharge;
if (debug_)
edm::LogVerbatim("IsoTrack") << "Jet(pt,Eta,Phi) " << genJetPt << " " << genJetEta << " " << genJetPhi;
for (unsigned int ic = 0; ic < genJetConstituents.size(); ic++) {
if (debug_)
edm::LogVerbatim("IsoTrack") << "p,pt,eta,phi " << genJetConstituents[ic]->p() << " "
<< genJetConstituents[ic]->pt() << " " << genJetConstituents[ic]->eta() << " "
<< genJetConstituents[ic]->phi();
v_trkP.push_back(genJetConstituents[ic]->p());
v_trkPt.push_back(genJetConstituents[ic]->pt());
v_trkEta.push_back(genJetConstituents[ic]->eta());
v_trkPhi.push_back(genJetConstituents[ic]->phi());
v_trkPdg.push_back(genJetConstituents[ic]->pdgId());
v_trkCharge.push_back(genJetConstituents[ic]->charge());
} //loop over genjet constituents
t_gjetE->push_back(genJetE);
t_gjetPt->push_back(genJetPt);
t_gjetEta->push_back(genJetEta);
t_gjetPhi->push_back(genJetPhi);
t_jetTrkP->push_back(v_trkP);
t_jetTrkPt->push_back(v_trkPt);
t_jetTrkEta->push_back(v_trkEta);
t_jetTrkPhi->push_back(v_trkPhi);
t_jetTrkPdg->push_back(v_trkPdg);
t_jetTrkCharge->push_back(v_trkCharge);
} // if jetPt>30
} //loop over genjets
t_gjetN->push_back(njets);
if (debug_) {
unsigned int indx = 0;
reco::GenParticleCollection::const_iterator ig = genParticles->begin();
for (; ig != genParticles->end(); ++ig, ++indx) {
edm::LogVerbatim("IsoTrack") << "Track " << indx << " Status " << ig->status() << " charge " << ig->charge()
<< " pdgId " << ig->pdgId() << " mass " << ig->mass() << " P " << ig->momentum()
<< " E " << ig->energy() << " Origin " << ig->vertex();
}
}
tree_->Fill();
}
void IsolatedParticlesGeneratedJets::beginJob() { bookHistograms(); }
void IsolatedParticlesGeneratedJets::clearTreeVectors() {
t_gjetN->clear();
t_gjetE->clear();
t_gjetPt->clear();
t_gjetEta->clear();
t_gjetPhi->clear();
t_jetTrkP->clear();
t_jetTrkPt->clear();
t_jetTrkEta->clear();
t_jetTrkPhi->clear();
t_jetTrkPdg->clear();
t_jetTrkCharge->clear();
}
void IsolatedParticlesGeneratedJets::bookHistograms() {
edm::Service<TFileService> fs;
tree_ = fs->make<TTree>("tree", "tree");
t_gjetN = new std::vector<int>();
t_gjetE = new std::vector<double>();
t_gjetPt = new std::vector<double>();
t_gjetEta = new std::vector<double>();
t_gjetPhi = new std::vector<double>();
t_jetTrkP = new std::vector<std::vector<double> >();
t_jetTrkPt = new std::vector<std::vector<double> >();
t_jetTrkEta = new std::vector<std::vector<double> >();
t_jetTrkPhi = new std::vector<std::vector<double> >();
t_jetTrkPdg = new std::vector<std::vector<double> >();
t_jetTrkCharge = new std::vector<std::vector<double> >();
tree_->Branch("t_gjetN", "std::vector<int>", &t_gjetN);
tree_->Branch("t_gjetE", "std::vector<double>", &t_gjetE);
tree_->Branch("t_gjetPt", "std::vector<double>", &t_gjetPt);
tree_->Branch("t_gjetEta", "std::vector<double>", &t_gjetEta);
tree_->Branch("t_gjetPhi", "std::vector<double>", &t_gjetPhi);
tree_->Branch("t_jetTrkP", "std::vector<vector<double> >", &t_jetTrkP);
tree_->Branch("t_jetTrkPt", "std::vector<vector<double> >", &t_jetTrkPt);
tree_->Branch("t_jetTrkEta", "std::vector<vector<double> >", &t_jetTrkEta);
tree_->Branch("t_jetTrkPhi", "std::vector<vector<double> >", &t_jetTrkPhi);
tree_->Branch("t_jetTrkPdg", "std::vector<vector<double> >", &t_jetTrkPdg);
tree_->Branch("t_jetTrkCharge", "std::vector<vector<double> >", &t_jetTrkCharge);
}
//define this as a plug-in
DEFINE_FWK_MODULE(IsolatedParticlesGeneratedJets);
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