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yilmaz |
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// -*- C++ -*-
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//
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// Package: HiGenJetCleaner
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// Class: HiGenJetCleaner
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//
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/**\class HiGenJetCleaner HiGenJetCleaner.cc yetkin/HiGenJetCleaner/src/HiGenJetCleaner.cc
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Description: <one line class summary>
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Implementation:
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<Notes on implementation>
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*/
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//
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// Original Author: Yetkin Yilmaz
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// Created: Tue Jul 21 04:26:01 EDT 2009
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// $Id$
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//
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//
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// system include files
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#include <memory>
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#include <vector>
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// user include files
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#include "FWCore/Framework/interface/Frameworkfwd.h"
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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/Framework/interface/MakerMacros.h"
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#include "FWCore/ParameterSet/interface/ParameterSet.h"
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#include "DataFormats/JetReco/interface/GenJetCollection.h"
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#include "DataFormats/GeometryVector/interface/VectorUtil.h"
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using namespace std;
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using namespace edm;
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//
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// class decleration
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//
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class HiGenJetCleaner : public edm::EDProducer {
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public:
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explicit HiGenJetCleaner(const edm::ParameterSet&);
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~HiGenJetCleaner();
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private:
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virtual void beginJob() ;
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virtual void produce(edm::Event&, const edm::EventSetup&);
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virtual void endJob() ;
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// ----------member data ---------------------------
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string jetSrc_;
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double deltaR_;
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bool makeNew_;
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};
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//
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// constants, enums and typedefs
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//
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//
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// static data member definitions
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//
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//
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// constructors and destructor
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//
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HiGenJetCleaner::HiGenJetCleaner(const edm::ParameterSet& iConfig) :
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jetSrc_(iConfig.getUntrackedParameter<string>( "src","iterativeCone5HiGenJets")),
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deltaR_(iConfig.getUntrackedParameter<double>("deltaR",0.125)),
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makeNew_(iConfig.getUntrackedParameter<bool>("createNewCollection",false))
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{
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std::string alias = jetSrc_;
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if(makeNew_)
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produces<reco::GenJetCollection>().setBranchAlias (alias);
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else
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produces<reco::GenJetRefVector>().setBranchAlias (alias);
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}
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HiGenJetCleaner::~HiGenJetCleaner()
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{
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// do anything here that needs to be done at desctruction time
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// (e.g. close files, deallocate resources etc.)
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}
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//
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// member functions
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//
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// ------------ method called to produce the data ------------
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void
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HiGenJetCleaner::produce(edm::Event& iEvent, const edm::EventSetup& iSetup)
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{
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using namespace edm;
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using namespace reco;
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auto_ptr<GenJetCollection> jets;
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auto_ptr<GenJetRefVector> jetrefs;
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if(makeNew_)
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jets = auto_ptr<GenJetCollection>(new GenJetCollection);
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else
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jetrefs = auto_ptr<GenJetRefVector>(new GenJetRefVector);
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edm::Handle<reco::GenJetCollection> genjets;
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iEvent.getByLabel(jetSrc_,genjets);
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int jetsize = genjets->size();
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vector<int> selection;
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for(int ijet = 0; ijet < jetsize; ++ijet){
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selection.push_back(-1);
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}
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vector<int> selectedIndices;
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vector<int> removedIndices;
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for(int ijet = 0; ijet < jetsize; ++ijet){
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const reco::GenJet* jet1 = &((*genjets)[ijet]);
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for(int ijet2 = 0; ijet2 < jetsize; ++ijet2){
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const reco::GenJet* jet2 = &((*genjets)[ijet2]);
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if(Geom::deltaR(jet1->momentum(),jet2->momentum()) < deltaR_){
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if(jet1->et() < jet2->et()){
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selection[ijet] = 0;
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removedIndices.push_back(ijet);
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break;
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}else{
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selection[ijet2] = 0;
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removedIndices.push_back(ijet2);
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}
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}
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}
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selection[ijet] = 1;
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selectedIndices.push_back(ijet);
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GenJetRef ref(genjets,ijet);
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if(makeNew_)
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jets->push_back(*jet1);
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else
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jetrefs->push_back(ref);
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}
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/*
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for(int ijet = 0; ijet < jetsize; ++ijet){
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// jets->push_back();
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}
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*/
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if(makeNew_)
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iEvent.put(jets);
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else
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iEvent.put(jetrefs);
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}
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// ------------ method called once each job just before starting event loop ------------
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void
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HiGenJetCleaner::beginJob()
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{
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}
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// ------------ method called once each job just after ending the event loop ------------
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void
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HiGenJetCleaner::endJob() {
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}
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//define this as a plug-in
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DEFINE_FWK_MODULE(HiGenJetCleaner);
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