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amagnan |
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#include "TLorentzVector.h"
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#include <limits>
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#include "DataFormats/Common/interface/Handle.h"
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#include "DataFormats/Common/interface/ValueMap.h"
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#include "DataFormats/Candidate/interface/Candidate.h"
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#include "DataFormats/HepMCCandidate/interface/GenParticle.h"
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#include "DataFormats/GeometryVector/interface/GlobalPoint.h"
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#include "DataFormats/JetReco/interface/GenJet.h"
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#include "SimDataFormats/GeneratorProducts/interface/GenRunInfoProduct.h"
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#include "SimDataFormats/GeneratorProducts/interface/HepMCProduct.h"
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#include "SimDataFormats/GeneratorProducts/interface/LHEEventProduct.h"
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#include "SimDataFormats/GeneratorProducts/interface/GenEventInfoProduct.h"
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#include "FWCore/ServiceRegistry/interface/Service.h"
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#include "FWCore/Framework/interface/Run.h"
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#include "FWCore/Framework/interface/ESHandle.h"
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#include "CommonTools/UtilAlgos/interface/TFileService.h"
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#include "UserCode/HbbAnalysis/plugins/MCTreeMaker.hh"
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#include "boost/regex.hpp"
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#include "boost/lexical_cast.hpp"
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MCTreeMaker::MCTreeMaker(const edm::ParameterSet & pset):
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debug_(pset.getParameter<int>("DEBUG")),
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doGen_(pset.getParameter<bool>("DOGEN")),
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genParticleSrc_(pset.getParameter<edm::InputTag>("GenParticles")),
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genJetSrc_(pset.getParameter<edm::InputTag>("GenJets")),
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partonJetSrc_(pset.getParameter<edm::InputTag>("PartonJets")),
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status1ToKeep_(pset.getParameter<std::vector<std::string> >("Status1ToKeep")),
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status2ToKeep_(pset.getParameter<std::vector<std::string> >("Status2ToKeep")),
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status3ToKeep_(pset.getParameter<std::vector<std::string> >("Status3ToKeep")),
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event_(0),
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tree_(0)
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//processVec_(pset.getParameter<std::vector<std::string> >("ProcessVec"))
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{//constructor
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for (unsigned i = 0; i < status1ToKeep_.size(); ++i){
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status1ToKeepRegex_.push_back(boost::regex(status1ToKeep_[i]));
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}
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for (unsigned i = 0; i < status2ToKeep_.size(); ++i){
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status2ToKeepRegex_.push_back(boost::regex(status2ToKeep_[i]));
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}
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for (unsigned i = 0; i < status3ToKeep_.size(); ++i){
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status3ToKeepRegex_.push_back(boost::regex(status3ToKeep_[i]));
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}
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}//constructor
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MCTreeMaker::~MCTreeMaker()
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{//destructor
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}//destructor
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void MCTreeMaker::beginJob(){//beginJob
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edm::Service<TFileService> lFileService;
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TFileDirectory lDir = lFileService->mkdir("MCAnalysis");
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tree_ = lDir.make<TTree>("Tree","Tree");
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tree_->Branch("MCEvent","HbbAnalysis::MCEvent",&event_);
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event_ = new HbbAnalysis::MCEvent();
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}//beginJob
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void MCTreeMaker::endJob(){//endJob
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//tree_->Write();
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//delete tree_;
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//delete event_;
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}//endJob
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void MCTreeMaker::beginRun(const edm::Run& aRun, const edm::EventSetup& aEvtSetup){//beginRun
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}
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void MCTreeMaker::analyze(const edm::Event& aEvt, const edm::EventSetup& aEvtSetup){//analyze
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if (debug_) std::cout << "Processing event #" << aEvt.id().event() << std::endl;
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static bool firstEvent = true;
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event_->Clear();
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event_->event(aEvt.id().event());
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event_->run(aEvt.run());
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//used in jet method....
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edm::Handle<reco::GenParticleCollection> lGenParticles;
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// edm::Handle<edm::HepMCProduct> mcProd;
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// edm::Handle<GenRunInfoProduct> lRunProd;
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// edm::Handle<GenEventInfoProduct> genEventInfoHandle;
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// try {
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// aEvt.getByLabel("generator", mcProd );
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// } catch(cms::Exception& e) {
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// std::cout << "AMM: Collection HepMCProduct not available! Exception : " << e.what() << ". " << std::endl;
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// }
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// try {
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// aEvt.getRun().getByLabel("generator",lRunProd);
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// } catch(cms::Exception& e) {
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// std::cout << "AMM: Collection GenInfoProduct not available! Exception : " << e.what() << ". " << std::endl;
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// }
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// try {
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// aEvt.getByLabel("generator",genEventInfoHandle);
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// } catch(cms::Exception& e) {
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// std::cout << "AMM: Collection GenEventInfoProduct not available! Exception : " << e.what() << ". " << std::endl;
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// }
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// HbbGenInfo(mcProd,lRunProd,genEventInfoHandle);
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edm::Handle<reco::GenJetCollection> lGenJets;
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try {
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aEvt.getByLabel(genJetSrc_,lGenJets);
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if (debug_) std::cout << "** ngenJets = " << lGenJets->size() << std::endl;
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} catch(cms::Exception& e) {
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std::cout << "AMM: Collection GenJets not available! Exception : " << e.what() << ". " << std::endl;
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}
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//save components
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if (lGenJets.isValid()) HbbGenJets(lGenJets,event_->genjets(),true);
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edm::Handle<reco::GenJetCollection> lPartonJets;
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try {
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aEvt.getByLabel(partonJetSrc_,lPartonJets);
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if (debug_) std::cout << "** npartonJets = " << lPartonJets->size() << std::endl;
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} catch(cms::Exception& e) {
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std::cout << "AMM: Collection PartonJets not available! Exception : " << e.what() << ". " << std::endl;
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}
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//save components
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if (lPartonJets.isValid()) HbbGenJets(lPartonJets,event_->partonjets(),true);
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edm::Handle<LHEEventProduct> lLHEEvt;
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try {
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aEvt.getByType(lLHEEvt);
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} catch(cms::Exception& e) {
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std::cout << "AMM: Collection of LHEEventProduct not available! Exception : " << e.what() << ". " << std::endl;
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}
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if (lLHEEvt.isValid()){
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HbbLHEInfo(lLHEEvt,event_->lheParticles());
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}
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try {
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aEvt.getByLabel(genParticleSrc_,lGenParticles);
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if (debug_) std::cout << "** ngenParticles = " << lGenParticles->size() << std::endl;
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} catch(cms::Exception& e) {
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std::cout << "AMM: Collection genParticles not available! Exception : " << e.what() << ". " << std::endl;
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}
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//if (doGen_) HbbParticles(lGenParticles,event_->particles());
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HbbParticles(lGenParticles,event_->particles(), event_->p4total());
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tree_->Fill();
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firstEvent = false;
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}//analyze
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void MCTreeMaker::HbbParticles(const edm::Handle<reco::GenParticleCollection> & aCol,
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std::vector<HbbAnalysis::GenParticle> & aVec,
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HbbAnalysis::P4Total & p4total)
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{//genparticles
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const reco::GenParticle *ptrToFirst = 0;
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if (aCol->size() > 0) ptrToFirst = &((*aCol)[0]);
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//add genParticle inside vector
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p4total.comE = 0.0;
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p4total.sumPx = 0.0;
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p4total.sumPy = 0.0;
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p4total.sumPz = 0.0;
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p4total.sumE = 0.0;
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for (unsigned int mccount = 0;mccount<aCol->size();++mccount)
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{//loop on particles
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const reco::GenParticle & p = (*aCol)[mccount];
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if (p.status() == 3 && p.pdgId() == 2212){
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p4total.comE += p.energy();
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}
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if (p.status() == 1){
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p4total.sumPx += p.px();
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p4total.sumPy += p.py();
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p4total.sumPz += p.pz();
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p4total.sumE += p.energy();
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}
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bool keep = false;
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if (p.status() == 1){
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for (unsigned i = 0; i < status1ToKeepRegex_.size(); ++i){
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//if (boost::regex_match(boost::lexical_cast<std::string>(p.pdgId()),status1ToKeepRegex_[i]) && p.pt() > 5.0) keep = true;
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if (boost::regex_match(boost::lexical_cast<std::string>(p.pdgId()),status1ToKeepRegex_[i])) keep = true;
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//if (abs(p.pdgId()) <= 16) keep = true; //Keep all status 1 leptons, regardless of matches passed through config
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}
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}
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if (p.status() == 2){
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for (unsigned i = 0; i < status2ToKeepRegex_.size(); ++i){
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if (boost::regex_match(boost::lexical_cast<std::string>(p.pdgId()),status2ToKeepRegex_[i])) keep = true;
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}
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}
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if (p.status() == 3){
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for (unsigned i = 0; i < status3ToKeepRegex_.size(); ++i){
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if (boost::regex_match(boost::lexical_cast<std::string>(p.pdgId()),status3ToKeepRegex_[i])) keep = true;
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}
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}
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if (keep){
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HbbAnalysis::FourMomentum lGenFourVec;
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HbbAnalysis::GenVars lGen;
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lGenFourVec.px = p.px();
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lGenFourVec.py = p.py();
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lGenFourVec.pz = p.pz();
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lGenFourVec.e = p.energy();
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lGen.charge = p.charge();
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lGen.pdgId = p.pdgId();
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lGen.status = p.status();
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lGen.index = mccount;
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lGen.vertex.vx = p.vx();
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lGen.vertex.vy = p.vy();
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lGen.vertex.vz = p.vz();
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HbbAnalysis::GenParticle lObj(lGenFourVec,lGen);
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for (unsigned i = 0; i < p.numberOfMothers(); ++i){
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lObj.setParent((reco::GenParticle*)p.mother(i) - ptrToFirst);
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//std::cout << ((reco::GenParticle*)p.mother(i) - ptrToFirst) << " " << p.mother(i) << "\t";
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}
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//std::cout << std::endl;
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//std::cout << "Daughters: ";
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for (unsigned i = 0; i < p.numberOfDaughters(); ++i){
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lObj.setChild((reco::GenParticle*)p.daughter(i) - ptrToFirst);
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//std::cout << ((reco::GenParticle*)p.daughter(i) - ptrToFirst) << " " << p.daughter(i) << "\t";
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}
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aVec.push_back(lObj);
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//if (mccount < 50) std::cout << "------Particle " << mccount << std::endl;
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//if (mccount < 50) lObj.Print();
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//std::cout << std::endl;
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}
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/*
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unsigned int nMum = p.numberOfMothers();
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//std::cout << mccount << " index = " << const_cast<reco::GenParticle *>(&p)-lBegin << " has " << nMum << " mother(s)." << std::endl;
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if ( (!doGen_ &&
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(p.status()==3 ||
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(p.status()==2 && (abs(p.pdgId())==4 || abs(p.pdgId())==5)) ||
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(p.status()==1 && ( (p.pt()>5 && abs(p.pdgId()) > 16) || abs(p.pdgId()) <= 16) )
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)) || doGen_){
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for(unsigned int mum=0;mum<nMum;++mum){//loop on mothers
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const reco::Candidate * pMother = p.mother(mum);
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//std::cout << "-- mother index = " << pMother-lBegin << std::endl;
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for (unsigned int mccount2 = 0;mccount2<mccount;++mccount2)
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{//loop on particles
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const reco::Candidate & p2 = (*aCol)[mccount2];
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if (pMother == &p2) {
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lObj.setParent(mccount2);
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break;
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}
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}
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}//loop on mothers
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*/
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}//loop on particles
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| 276 |
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if (debug_>1){
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for (unsigned int imc(0); imc < aVec.size(); ++imc){
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HbbAnalysis::GenParticle & p = aVec.at(imc);
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p.Print();
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}
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}
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| 283 |
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| 284 |
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}//genparticles
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| 286 |
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void MCTreeMaker::HbbGenJets(const edm::Handle<reco::GenJetCollection> & aCol,
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std::vector<HbbAnalysis::GenJet> & aVec,
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const bool aSaveConstituants)
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{
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| 291 |
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if (aCol.isValid()){//valid
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if (aCol->size() > 0) {//non empty
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| 294 |
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unsigned int iEle = 0;
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| 295 |
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for (std::vector<reco::GenJet>::const_iterator iter = aCol->begin();
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iter != aCol->end();
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++iter,++iEle)
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| 298 |
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{//loop on element
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| 299 |
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//if (debug_ > 1) std::cout << "**** Ele #" << iEle << ", pT,eta,phi = " << (*iter).pt() << " " << (*iter).eta() << " " << (*iter).phi() << std::endl;
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| 301 |
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HbbAnalysis::FourMomentum lGenJetFourVec;
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HbbAnalysis::GenJetVars lGenJet;
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lGenJetFourVec.px = (*iter).px();
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| 304 |
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lGenJetFourVec.py = (*iter).py();
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lGenJetFourVec.pz = (*iter).pz();
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| 306 |
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lGenJetFourVec.e = (*iter).energy();
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lGenJet.mass = (*iter).mass();
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| 308 |
|
|
lGenJet.nConstituents = (*iter).getGenConstituents().size();
|
| 309 |
|
|
lGenJet.flavour = 0; //Flavour will be set if constituents are added
|
| 310 |
|
|
|
| 311 |
|
|
|
| 312 |
|
|
//only status 1 saved !!!!
|
| 313 |
|
|
//get flavour from list of constituants.
|
| 314 |
|
|
//std::vector <const reco::GenParticle*> lConst = (*iter).getGenConstituents();
|
| 315 |
|
|
//unsigned int nb=0, nc=0;
|
| 316 |
|
|
// for (unsigned int iMC(0); iMC<lConst.size(); ++iMC){
|
| 317 |
|
|
// const reco::GenParticle* lPart = lConst[iMC];
|
| 318 |
|
|
// //std::cout << lPart->pdgId() << " " << fabs(lPart->pdgId()) << " " << abs(lPart->pdgId()) << std::endl;
|
| 319 |
|
|
// if (fabs(lPart->pdgId()) == 5){
|
| 320 |
|
|
// ++nb;
|
| 321 |
|
|
// break;
|
| 322 |
|
|
// }
|
| 323 |
|
|
// if (fabs(lPart->pdgId()) == 4) ++nc;
|
| 324 |
|
|
// }
|
| 325 |
|
|
// if (nb > 0) lGenJet.pdgId = 5;
|
| 326 |
|
|
// else if (nc > 0) lGenJet.pdgId = 4;
|
| 327 |
|
|
// else lGenJet.pdgId = 3;
|
| 328 |
|
|
|
| 329 |
|
|
HbbAnalysis::GenJet lObj(lGenJetFourVec, lGenJet);
|
| 330 |
|
|
if (aSaveConstituants){
|
| 331 |
|
|
for (unsigned int iC(0); iC<(*iter).getGenConstituents().size(); ++iC){
|
| 332 |
|
|
const reco::GenParticle* p = (*iter).getGenConstituent(iC);
|
| 333 |
|
|
HbbAnalysis::FourMomentum lGenFourVec;
|
| 334 |
|
|
HbbAnalysis::GenVars lGen;
|
| 335 |
|
|
lGenFourVec.px = p->px();
|
| 336 |
|
|
lGenFourVec.py = p->py();
|
| 337 |
|
|
lGenFourVec.pz = p->pz();
|
| 338 |
|
|
lGenFourVec.e = p->energy();
|
| 339 |
|
|
lGen.charge = p->charge();
|
| 340 |
|
|
lGen.pdgId = p->pdgId();
|
| 341 |
|
|
lGen.status = p->status();
|
| 342 |
|
|
lGen.index = -1; //We don't know this now
|
| 343 |
|
|
lGen.vertex.vx = p->vx();
|
| 344 |
|
|
lGen.vertex.vy = p->vy();
|
| 345 |
|
|
lGen.vertex.vz = p->vz();
|
| 346 |
|
|
lObj.addConstituent(HbbAnalysis::GenParticle(lGenFourVec,lGen));
|
| 347 |
|
|
}
|
| 348 |
|
|
}
|
| 349 |
|
|
//std::cout << "--------------------------------------------" << std::endl;
|
| 350 |
|
|
//std::cout << "GenJet: " << std::endl;
|
| 351 |
|
|
//std::cout << "--------------------------------------------" << std::endl;
|
| 352 |
|
|
//lObj.Print();
|
| 353 |
|
|
aVec.push_back(lObj);
|
| 354 |
|
|
}
|
| 355 |
|
|
}
|
| 356 |
|
|
}
|
| 357 |
|
|
}
|
| 358 |
|
|
|
| 359 |
|
|
|
| 360 |
|
|
|
| 361 |
|
|
|
| 362 |
|
|
void MCTreeMaker::HbbLHEInfo(const edm::Handle<LHEEventProduct> & aLHEEvt,
|
| 363 |
|
|
std::vector<HbbAnalysis::GenParticle> & aVec) {
|
| 364 |
|
|
|
| 365 |
|
|
const lhef::HEPEUP lhepeup = aLHEEvt->hepeup();
|
| 366 |
|
|
|
| 367 |
|
|
//4-momentum (px,py,pz,E)+mass
|
| 368 |
|
|
const std::vector<lhef::HEPEUP::FiveVector> lpup = lhepeup.PUP;
|
| 369 |
|
|
//pdgid int
|
| 370 |
|
|
const std::vector<int> lidup = lhepeup.IDUP;
|
| 371 |
|
|
//status int
|
| 372 |
|
|
const std::vector<int> listup = lhepeup.ISTUP;
|
| 373 |
|
|
//mother: pair<int,int>
|
| 374 |
|
|
const std::vector<std::pair<int,int> > lmothup = lhepeup.MOTHUP;
|
| 375 |
|
|
|
| 376 |
|
|
|
| 377 |
|
|
//add genParticle inside vector
|
| 378 |
|
|
for (unsigned int imc = 0;imc<lpup.size();++imc)
|
| 379 |
|
|
{//loop on particles
|
| 380 |
|
|
|
| 381 |
|
|
HbbAnalysis::FourMomentum lFourVec;
|
| 382 |
|
|
HbbAnalysis::GenVars lMC;
|
| 383 |
|
|
lMC.index = imc;
|
| 384 |
|
|
|
| 385 |
|
|
TLorentzVector lVec((lpup[imc])[0],(lpup[imc])[1],(lpup[imc])[2],(lpup[imc])[3]);
|
| 386 |
|
|
|
| 387 |
|
|
lFourVec.e = lVec.E();
|
| 388 |
|
|
lFourVec.px = lVec.Px();
|
| 389 |
|
|
lFourVec.py = lVec.Py();
|
| 390 |
|
|
lFourVec.pz = lVec.Pz();
|
| 391 |
|
|
/*
|
| 392 |
|
|
// Special case if pT = 0 (otherwise ROOT complains)
|
| 393 |
|
|
if (fabs(0.0 - lVec.Pt()) < std::numeric_limits<double>::epsilon()){
|
| 394 |
|
|
if (lVec.Pz() >= 0) {
|
| 395 |
|
|
lMC.eta = 1E10;
|
| 396 |
|
|
lMC.y = 1E10;
|
| 397 |
|
|
} else {
|
| 398 |
|
|
lMC.eta = -1E10;
|
| 399 |
|
|
lMC.y = -1E10;
|
| 400 |
|
|
}
|
| 401 |
|
|
} else {
|
| 402 |
|
|
lMC.eta = lVec.Eta();
|
| 403 |
|
|
lMC.y = lVec.Rapidity();
|
| 404 |
|
|
}
|
| 405 |
|
|
lMC.phi = lVec.Phi();
|
| 406 |
|
|
*/
|
| 407 |
|
|
lMC.pdgId = lidup[imc];
|
| 408 |
|
|
lMC.status = listup[imc];
|
| 409 |
|
|
|
| 410 |
|
|
HbbAnalysis::GenParticle lObj(lFourVec,lMC);
|
| 411 |
|
|
lObj.setParent(lmothup[imc].first);
|
| 412 |
|
|
lObj.setParent(lmothup[imc].second);
|
| 413 |
|
|
aVec.push_back(lObj);
|
| 414 |
|
|
|
| 415 |
|
|
}//loop on particles
|
| 416 |
|
|
|
| 417 |
|
|
if (debug_>1){
|
| 418 |
|
|
for (unsigned int imc(0); imc < aVec.size(); ++imc){
|
| 419 |
|
|
//HbbAnalysis::GenParticle & p = aVec.at(imc);
|
| 420 |
|
|
//p.print();
|
| 421 |
|
|
}
|
| 422 |
|
|
}
|
| 423 |
|
|
}
|
| 424 |
|
|
|
| 425 |
|
|
#include "FWCore/Framework/interface/MakerMacros.h"
|
| 426 |
|
|
DEFINE_FWK_MODULE(MCTreeMaker);
|
| 427 |
|
|
|
| 428 |
|
|
|
