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#include "FWCore/Framework/interface/EDAnalyzer.h"
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#include "FWCore/Utilities/interface/InputTag.h"
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#include "FWCore/Framework/interface/Frameworkfwd.h"
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class TTree;
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class SimpleJetResponseAnalyzer: public edm::EDAnalyzer
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{
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public:
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explicit SimpleJetResponseAnalyzer(const edm::ParameterSet&);
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~SimpleJetResponseAnalyzer();
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virtual void beginJob();
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virtual void analyze(const edm::Event&, const edm::EventSetup&);
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private:
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//edm::InputTag genJetTag_;
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edm::InputTag genToRecoJetMatchTag_;
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TTree* data_;
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struct {
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double genJetPt_;
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double genJetEta_;
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double genJetPhi_;
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double recJetPt_;
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double recJetEta_;
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double recJetPhi_;
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} eventData_;
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};
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#include "FWCore/Framework/interface/Event.h"
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#include "FWCore/ParameterSet/interface/ParameterSet.h"
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#include "FWCore/MessageLogger/interface/MessageLogger.h"
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#include "FWCore/Framework/interface/MakerMacros.h"
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//#include "DataFormats/JetReco/interface/Jet.h"
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//#include "DataFormats/JetReco/interface/PFJet.h"
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#include "DataFormats/Candidate/interface/CandidateFwd.h"
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#include "DataFormats/Candidate/interface/CandMatchMap.h"
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#include "FWCore/ServiceRegistry/interface/Service.h"
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#include "CommonTools/UtilAlgos/interface/TFileService.h"
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#include "TTree.h"
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using namespace reco;
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SimpleJetResponseAnalyzer::SimpleJetResponseAnalyzer(const edm::ParameterSet& pset):
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genToRecoJetMatchTag_(pset.getParameter<edm::InputTag>("GenToRecoJetMatchTag"))
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{
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}
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SimpleJetResponseAnalyzer::~SimpleJetResponseAnalyzer() {}
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void SimpleJetResponseAnalyzer::beginJob(){
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edm::Service<TFileService> fs;
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data_ = fs->make<TTree>("data","data");
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data_->Branch("genJetPt",&eventData_.genJetPt_,"genJetPt/D");
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data_->Branch("genJetEta",&eventData_.genJetEta_,"genJetEta/D");
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data_->Branch("genJetPhi",&eventData_.genJetPhi_,"genJetPhi/D");
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data_->Branch("recJetPt",&eventData_.recJetPt_,"recJetPt/D");
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data_->Branch("recJetEta",&eventData_.recJetEta_,"recJetEta/D");
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data_->Branch("recJetPhi",&eventData_.recJetPhi_,"recJetPhi/D");
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}
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void SimpleJetResponseAnalyzer::analyze(const edm::Event& event, const edm::EventSetup& setup){
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edm::Handle<CandViewMatchMap> genToRecoJetAssociationH;
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event.getByLabel(genToRecoJetMatchTag_,genToRecoJetAssociationH);
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const CandViewMatchMap& genToRecoJetAssociation = *genToRecoJetAssociationH;
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CandViewMatchMap::const_iterator it_key = genToRecoJetAssociation.begin();
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CandViewMatchMap::const_iterator match_end = genToRecoJetAssociation.end();
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for(; it_key != match_end; ++it_key){
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const CandidateBaseRef& genJet = it_key->key;
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const CandidateBaseRef& recJet = it_key->val;
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double response = recJet->pt()/genJet->pt();
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double phiDiff = recJet->phi() - genJet->phi();
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double etaDiff = recJet->eta() - genJet->eta();
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double ptDiff = recJet->pt() - genJet->pt();
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LogTrace("") << " gen. jet pt,eta,phi= " << genJet->pt() << ", " << genJet->eta() << ", " << genJet->phi()
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<< "\n rec. jet pt,eta,phi= " << recJet->pt() << ", " << recJet->eta() << ", " << recJet->phi()
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<< "\n response,phiDiff,etaDiff,ptDiff= " << response << ", " << phiDiff << ", " << etaDiff << ", " << ptDiff;
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eventData_.genJetPt_ = genJet->pt();
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eventData_.genJetEta_ = genJet->eta();
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eventData_.genJetPhi_ = genJet->phi();
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eventData_.recJetPt_ = recJet->pt();
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eventData_.recJetEta_ = recJet->eta();
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eventData_.recJetPhi_ = recJet->phi();
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data_->Fill();
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}
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}
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DEFINE_FWK_MODULE(SimpleJetResponseAnalyzer);
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