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amagnan |
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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/PatCandidates/interface/Lepton.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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#include "DataFormats/PatCandidates/interface/Jet.h"
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#include "UserCode/HbbAnalysis/interface/TauDeltaRSelector.hh"
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TauDeltaRSelector::TauDeltaRSelector(const edm::ParameterSet & pset):
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debug_(pset.getParameter<int>("DEBUG")),
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tauLeptonIsolation_(pset.getParameter<double>("TauLeptonDeltaRCut")),
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doElectron_(pset.getParameter<bool>("DoElectron")),
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genParticleSrc_(pset.getParameter<edm::InputTag>("GenParticles")),
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electronSrc_(pset.getParameter<edm::InputTag>("Electrons")),
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muonSrc_(pset.getParameter<edm::InputTag>("Muons"))
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{//constructor
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}//constructor
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TauDeltaRSelector::~TauDeltaRSelector(){//destructor
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}//destructor
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void TauDeltaRSelector::select(edm::Handle<collection> & aTauCol,
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edm::Event& aEvt,
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const edm::EventSetup& aEvtSetup
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)
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{
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edm::Handle<std::vector<pat::Electron> > lElectronCollection;
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edm::Handle<std::vector<pat::Muon> > lMuonCollection;
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if (doElectron_){
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try {
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aEvt.getByLabel(electronSrc_,lElectronCollection);
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if (!lElectronCollection.isValid()){
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edm::LogInfo("ERROR")<< "Error! Can't get electron by label. ";
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}
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if (debug_) std::cout << "** electroncollection = " << lElectronCollection->size() << " elements." << std::endl;
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} catch(cms::Exception& e) {
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std::cout << "AMM: Collection " << electronSrc_ << " not available! Exception : " << e.what() << ". " << std::endl;
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}
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}
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else {
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try {
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aEvt.getByLabel(muonSrc_,lMuonCollection);
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if (!lMuonCollection.isValid()){
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edm::LogInfo("ERROR")<< "Error! Can't get muon by label. ";
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}
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if (debug_) std::cout << "** muoncollection = " << lMuonCollection->size() << " elements." << std::endl;
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} catch(cms::Exception& e) {
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std::cout << "AMM: Collection " << muonSrc_ << " not available! Exception : " << e.what() << ". " << std::endl;
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}
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}
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selected_.clear();
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for (std::vector<pat::Tau>::const_iterator iTau = aTauCol->begin();
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iTau != aTauCol->end();
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iTau++)
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{
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if (tauLeptonIsolation(*iTau,lElectronCollection,lMuonCollection)) {
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selected_.push_back( & * iTau );
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}
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}
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}//select
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bool TauDeltaRSelector::tauLeptonIsolation(const pat::Tau & aTau,
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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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)
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{
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double lDeltaR = 0;
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if (doElectron_) lDeltaR = deltaRwithLepton<pat::Electron>(aTau,aColEle);
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else lDeltaR = deltaRwithLepton<pat::Muon>(aTau,aColMu);
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//ask fabs so that if deltaR=-1 (if no lepton...) it returns true
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if (fabs(lDeltaR) <= tauLeptonIsolation_) return false;
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return true;
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}
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