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//
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// $Id: PATJetSlimmer.cc,v 1.1 2009/04/14 13:58:52 gpetrucc Exp $
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//
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/**
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\class pat::PATJetSlimmer PATJetSlimmer.h "PhysicsTools/PatAlgos/interface/PATJetSlimmer.h"
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\brief Matcher of reconstructed objects to L1 Muons
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\author Giovanni Petrucciani
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\version $Id: PATJetSlimmer.cc,v 1.1 2009/04/14 13:58:52 gpetrucc Exp $
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*/
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#include "FWCore/Framework/interface/EDProducer.h"
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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/ParameterSet/interface/InputTag.h"
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#define protected public
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#include "DataFormats/PatCandidates/interface/Jet.h"
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#undef protected
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namespace pat {
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class PATJetSlimmer : public edm::EDProducer {
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public:
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explicit PATJetSlimmer(const edm::ParameterSet & iConfig);
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virtual ~PATJetSlimmer() { }
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virtual void produce(edm::Event & iEvent, const edm::EventSetup & iSetup);
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private:
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edm::InputTag src_;
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/// clear mJetArea, mPassNumber, mPileupEnergy
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bool clearJetVars_;
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/// reset daughters to an empty vector
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bool clearDaughters_;
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/// reduce GenJet to a bare 4-vector
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bool slimGenJet_;
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/// drop the Calo or PF specific
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bool dropSpecific_;
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/// drop the JetCorrFactors (but keep the jet corrected!)
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bool dropJetCorrFactors_;
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};
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} // namespace
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pat::PATJetSlimmer::PATJetSlimmer(const edm::ParameterSet & iConfig) :
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src_(iConfig.getParameter<edm::InputTag>("src")),
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clearJetVars_(iConfig.getParameter<bool>("clearJetVars")),
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clearDaughters_(iConfig.getParameter<bool>("clearDaughters")),
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slimGenJet_(iConfig.getParameter<bool>("slimGenJet")),
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dropSpecific_(iConfig.getParameter<bool>("dropSpecific")),
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dropJetCorrFactors_(iConfig.getParameter<bool>("dropJetCorrFactors"))
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{
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produces<std::vector<pat::Jet> >();
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}
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void
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pat::PATJetSlimmer::produce(edm::Event & iEvent, const edm::EventSetup & iSetup) {
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using namespace edm;
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using namespace std;
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Handle<View<pat::Jet> > src;
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iEvent.getByLabel(src_, src);
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auto_ptr<vector<pat::Jet> > out(new vector<pat::Jet>());
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out->reserve(src->size());
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for (View<pat::Jet>::const_iterator it = src->begin(), ed = src->end(); it != ed; ++it) {
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out->push_back(*it);
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pat::Jet & jet = out->back();
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if (clearJetVars_) {
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jet.setJetArea(0);
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jet.setNPasses(0);
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jet.setPileup(0);
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}
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if (clearDaughters_) {
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jet.clearDaughters();
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}
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if (slimGenJet_) {
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const reco::GenJet * genjet = it->genJet();
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if (genjet) {
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std::vector<reco::GenJet> tempGenJet(1, reco::GenJet(genjet->p4(), reco::Particle::Point(), reco::GenJet::Specific()));
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jet.setGenJet(reco::GenJetRef(&tempGenJet,0), true);
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}
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}
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if (dropSpecific_) {
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// FIXME add method in pat::Jet
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jet.specificCalo_.clear();
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jet.specificPF_.clear();
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}
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if (dropJetCorrFactors_) {
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// FIXME add method in pat::Jet
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jet.jetEnergyCorrections_.clear();
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}
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}
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iEvent.put(out);
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}
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#include "FWCore/Framework/interface/MakerMacros.h"
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using namespace pat;
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DEFINE_FWK_MODULE(PATJetSlimmer);
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