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#ifndef HbbAnalysis_JetDeltaRSelector_hh
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#define HbbAnalysis_JetDeltaRSelector_hh
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#include <fstream>
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#include <string>
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#include <iostream>
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#include <vector>
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#include "Math/VectorUtil.h"
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#include "FWCore/Framework/interface/ESHandle.h"
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#include "FWCore/Framework/interface/Event.h"
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#include "FWCore/Framework/interface/EventSetup.h"
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#include "FWCore/ParameterSet/interface/ParameterSet.h"
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#include "DataFormats/Common/interface/Handle.h"
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#include "DataFormats/PatCandidates/interface/Lepton.h"
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#include "DataFormats/PatCandidates/interface/Jet.h"
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#include "DataFormats/PatCandidates/interface/Muon.h"
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#include "DataFormats/PatCandidates/interface/Electron.h"
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#include "DataFormats/PatCandidates/interface/Tau.h"
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class JetDeltaRSelector {//class
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public:
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typedef std::vector<pat::Jet> collection;
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typedef std::vector<const pat::Jet *> container;
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typedef container::const_iterator const_iterator;
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JetDeltaRSelector(const edm::ParameterSet & pset);
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~JetDeltaRSelector();
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void select(edm::Handle<collection> &,
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edm::Event& ,
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const edm::EventSetup&
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);
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inline const_iterator begin() const {return selected_.begin(); };
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inline const_iterator end() const {return selected_.end(); };
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inline size_t size() const { return selected_.size(); };
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bool jetLeptonIsolation(const pat::Jet & aJet,
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const edm::Handle<std::vector<pat::Electron> > & aColEle,
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const edm::Handle<std::vector<pat::Muon> > & aColMu,
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const edm::Handle<std::vector<pat::Tau> > & aColTau
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);
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private:
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template <class T>
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double deltaRwithLepton(const pat::Jet & aJet,
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const edm::Handle<std::vector<T> > & aCol
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);
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int debug_;
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double jetLeptonIsolation_;
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edm::InputTag genParticleSrc_;
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edm::InputTag electronSrc_;
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edm::InputTag muonSrc_;
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edm::InputTag tauSrc_;
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container selected_;
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};//class
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template <class T>
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double JetDeltaRSelector::deltaRwithLepton(const pat::Jet & aJet,
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const edm::Handle<std::vector< T > > & aCol
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)
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{
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double lMin = 1000;
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bool lValid=(aCol->empty())?true:false;
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// pat::Lepton<LeptonType> lLep;
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typename std::vector< T >::const_iterator iLepton;
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for (iLepton= aCol->begin();
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iLepton != aCol->end();
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iLepton++)
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// for (unsigned int iLepton(0); iLepton< aCol->size(); iLepton++)
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{
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//double lDeltaR = ROOT::Math::VectorUtil::DeltaR(aJet.p4(),aCol->at(iLepton).p4());
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double lDeltaR = ROOT::Math::VectorUtil::DeltaR(aJet.p4(),iLepton->p4());
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if (lDeltaR<lMin){
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lMin=lDeltaR;
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lValid=true;
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}
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}
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if(!lValid){
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std::cerr<<__PRETTY_FUNCTION__<<" : Invalid Return value "
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<< lMin
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<< "... AAAAAAARRRRRRRRRRRRGGGGGGGGGHHHHH"
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<<std::endl;
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}
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if (lMin > 100) return -1;
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return lMin;
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}
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#endif //HbbAnalysis_JetDeltaRSelector_hh
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