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// File: BaseHiGenJetProducer.cc
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// Author: Y.Yilmaz, 2008
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// $Id: BaseHiGenJetProducer.cc,v 1.8 2009/08/06 17:35:53 yilmaz Exp $
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//--------------------------------------------
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#include <memory>
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#include "DataFormats/Common/interface/EDProduct.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 "DataFormats/Common/interface/View.h"
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#include "DataFormats/Common/interface/Handle.h"
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#include "DataFormats/Provenance/interface/ProductID.h"
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#include "FWCore/MessageLogger/interface/MessageLogger.h"
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#include "DataFormats/JetReco/interface/CaloJetCollection.h"
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#include "DataFormats/JetReco/interface/GenJetCollection.h"
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#include "DataFormats/JetReco/interface/PFJetCollection.h"
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#include "DataFormats/JetReco/interface/BasicJetCollection.h"
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#include "RecoJets/JetAlgorithms/interface/JetRecoTypes.h"
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#include "RecoJets/JetAlgorithms/interface/JetAlgoHelper.h"
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#include "RecoJets/JetAlgorithms/interface/JetMaker.h"
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#include "RecoJets/JetAlgorithms/interface/ProtoJet.h"
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#include "DataFormats/Candidate/interface/CandidateFwd.h"
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#include "DataFormats/Candidate/interface/LeafCandidate.h"
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#include "FWCore/Framework/interface/ESHandle.h"
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#include "Geometry/CaloGeometry/interface/CaloGeometry.h"
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#include "Geometry/Records/interface/CaloGeometryRecord.h"
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#include "SimDataFormats/HiGenData/interface/SubEventMap.h"
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#include "DataFormats/HepMCCandidate/interface/GenParticle.h"
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#include "FWCore/Framework/interface/ESHandle.h"
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#include "SimGeneral/HepPDTRecord/interface/ParticleDataTable.h"
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#include "CmsHi/JetAnalysis/interface/BaseHiGenJetProducer.h"
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using namespace std;
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using namespace reco;
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using namespace JetReco;
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namespace {
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bool checkHydro(GenParticleRef& p){
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const Candidate* m1 = p->mother();
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while(m1){
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int pdg = abs(m1->pdgId());
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int st = m1->status();
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LogDebug("SubEventMothers")<<"Pdg ID : "<<pdg<<endl;
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if(st == 3 || pdg < 9 || pdg == 21){
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LogDebug("SubEventMothers")<<"Sub-Collision Found! Pdg ID : "<<pdg<<endl;
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return false;
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}
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const Candidate* m = m1->mother();
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m1 = m;
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if(!m1) LogDebug("SubEventMothers")<<"No Mother, particle is : "<<pdg<<" with status "<<st<<endl;
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}
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return true;
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}
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const bool debug = false;
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bool makeCaloJet (const string& fTag) {
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return fTag == "CaloJet";
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}
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bool makePFJet (const string& fTag) {
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return fTag == "PFJet";
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}
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bool makeGenJet (const string& fTag) {
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return fTag == "GenJet";
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}
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bool makeBasicJet (const string& fTag) {
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return fTag == "BasicJet";
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}
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bool makeGenericJet (const string& fTag) {
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return !makeCaloJet (fTag) && !makePFJet (fTag) && !makeGenJet (fTag) && !makeBasicJet (fTag);
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}
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template <class T>
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void dumpJets (const T& fJets) {
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for (unsigned i = 0; i < fJets.size(); ++i) {
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std::cout<< "Jet # " << i << std::endl << fJets[i].print();
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}
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}
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void copyVariables (const ProtoJet& fProtojet, reco::Jet* fJet) {
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fJet->setJetArea (fProtojet.jetArea ());
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fJet->setPileup (fProtojet.pileup ());
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fJet->setNPasses (fProtojet.nPasses ());
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}
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void copyConstituents (const JetReco::InputCollection& fConstituents, const edm::View <Candidate>& fInput, reco::Jet* fJet) {
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// put constituents
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for (unsigned iConstituent = 0; iConstituent < fConstituents.size (); ++iConstituent) {
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fJet->addDaughter (fInput.ptrAt (fConstituents[iConstituent].index ()));
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}
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}
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}
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namespace cms
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{
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// Constructor takes input parameters now: to be replaced with parameter set.
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BaseHiGenJetProducer::BaseHiGenJetProducer(const edm::ParameterSet& conf)
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: mSrc(conf.getParameter<edm::InputTag>( "src")),
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mapSrc(conf.getParameter<edm::InputTag>( "srcMap")),
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mJetType (conf.getParameter<string>( "jetType")),
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mVerbose (conf.getUntrackedParameter<bool>("verbose", false)),
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mEtInputCut (conf.getParameter<double>("inputEtMin")),
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mEInputCut (conf.getParameter<double>("inputEMin")),
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ignoreHydro_ (conf.getUntrackedParameter<bool>("ignoreHydro", true)),
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nMax_(conf.getUntrackedParameter<double>("maxParticles", 2000))
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{
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std::string alias = conf.getUntrackedParameter<string>( "alias", conf.getParameter<std::string>("@module_label"));
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if (makeCaloJet (mJetType)) {
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produces<CaloJetCollection>().setBranchAlias (alias);
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}
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else if (makePFJet (mJetType)) produces<PFJetCollection>().setBranchAlias (alias);
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else if (makeGenJet (mJetType)) produces<GenJetCollection>().setBranchAlias (alias);
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else if (makeBasicJet (mJetType)) produces<BasicJetCollection>().setBranchAlias (alias);
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// else if (makeGenericJet (mJetType)) produces<GenericJetCollection>().setBranchAlias (alias);
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}
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// Virtual destructor needed.
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BaseHiGenJetProducer::~BaseHiGenJetProducer() { }
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void BaseHiGenJetProducer::beginJob(const edm::EventSetup& fSetup)
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{
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fSetup.getData(mPdt);
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}
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// Functions that gets called by framework every event
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void BaseHiGenJetProducer::produce(edm::Event& e, const edm::EventSetup& fSetup)
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{
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using namespace reco;
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edm::Handle< edm::View<Candidate> > inputHandle;
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e.getByLabel(mSrc,inputHandle);
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edm::Handle<edm::SubEventMap> subs;
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e.getByLabel(mapSrc,subs);
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vector <ProtoJet> output;
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vector<JetReco::InputCollection> inputs;
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vector<int> nsubparticle;
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vector<int> hydroTag;
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for (unsigned i = 0; i < inputHandle->size(); ++i) {
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GenParticleRef pref = inputHandle->refAt(i).castTo<GenParticleRef>();
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int subevent = (*subs)[pref];
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LogDebug("SubEventJets")<<"inputs size "<<inputs.size()<<" subevent "<<subevent;
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if(subevent >= inputs.size()){
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// hydroTag.push_back(-1);
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hydroTag.resize(subevent+1);
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hydroTag[subevent] = -1;
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inputs.resize(subevent+1);
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nsubparticle.resize(subevent+1);
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}
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if(hydroTag[subevent] != 0) hydroTag[subevent] = (int)checkHydro(pref);
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if(nsubparticle[subevent]> nMax_ && hydroTag[subevent] != 1){
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LogDebug("JetsInHydro")<<"More particles than maximum particles cut, although not previously identified as sub-event, Sub-Event : "<<subevent;
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hydroTag[subevent] = 1;
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}
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if(hydroTag[subevent] != 1){
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(inputs[subevent]).push_back(JetReco::InputItem(&((*inputHandle)[i]),i));
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nsubparticle[subevent]++;
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}
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}
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int nsub = inputs.size();
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bool hydroDone = false;
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for(int isub = 0; isub < nsub; ++isub){
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cout<<"Processing Sub-Event : "<<isub<<endl;
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JetReco::InputCollection & input = inputs[isub];
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if(hydroTag[isub] == 1){
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if(hydroDone){
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throw cms::Exception("HeavyIonHydroEvent")<<"More than one Hydro sub-event found for the input, please check your MC! Second hydro id : "<<isub<<endl;
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}
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cout<<"Sub-Event number "<<isub<<" with more than "<<input.size()<<" particles, skipped as background event. Number of total sub-events: "<<nsub<<endl;
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hydroDone = true;
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}else{
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if (mVerbose) {
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std::cout << "BaseJetProducer::produce-> INPUT COLLECTION selected from" << mSrc
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<< " with ET > " << mEtInputCut << " and/or E > " << mEInputCut << std::endl;
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for (unsigned index = 0; index < input.size(); ++index) {
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std::cout << " Input " << index << ", px/py/pz/pt/e: "
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<< input[index]->px() << '/' << input[index]->py() << '/' << input[index]->pz() << '/'
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<< input[index]->pt() << '/' << input[index]->energy()
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<< std::endl;
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}
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}
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if (input.empty ()) {
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edm::LogInfo ("Empty Event") << "empty input for jet algorithm: bypassing..." << std::endl;
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}
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else {
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cout<<"Algorithm running on sub-event..."<<endl;
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this->runAlgorithm (input, &output);
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}
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}
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}
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// produce output collection
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if (mVerbose) {
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std::cout << "OUTPUT JET COLLECTION:" << std::endl;
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}
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reco::Jet::Point vertex (0,0,0); // do not have true vertex yet, use default
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// make sure protojets are sorted
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sortByPt (&output);
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if (makeGenJet (mJetType)) {
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cout<<"Saving GenJets..."<<endl;
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auto_ptr<GenJetCollection> jets (new GenJetCollection);
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jets->reserve(output.size());
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for (unsigned iJet = 0; iJet < output.size (); ++iJet) {
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ProtoJet* protojet = &(output [iJet]);
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const JetReco::InputCollection& constituents = protojet->getTowerList();
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GenJet::Specific specific;
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JetMaker::makeSpecific (constituents, &specific);
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jets->push_back (GenJet (protojet->p4(), vertex, specific));
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Jet* newJet = &(jets->back());
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copyConstituents (constituents, *inputHandle, newJet);
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copyVariables (*protojet, newJet);
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}
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if (mVerbose) dumpJets (*jets);
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e.put(jets);
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}
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}
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}
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