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#include <iostream>
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#include <fstream>
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amagnan |
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//#include "DataFormats/EgammaReco/interface/Electron.h"
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amagnan |
1.1 |
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amagnan |
1.2 |
#include "FWCore/MessageLogger/interface/MessageLogger.h"
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amagnan |
1.1 |
#include "UserCode/HbbAnalysis/interface/HistosElecs.hh"
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namespace HbbAnalysis {//namespace
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void HistosElecs::Initialise(TFileDirectory & aDir, std::string aName, bool aDoGenMatched){
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amagnan |
1.1 |
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amagnan |
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doGenMatched_ = aDoGenMatched;
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amagnan |
1.1 |
CreateHistos(aName,aDir);
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amagnan |
1.2 |
p_nElectrons = aDir.make<TH1F>("p_nElectrons",";N_{electrons};N_{entries}",20,0,20);
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p_nChambers = aDir.make<TH1F>("p_nChambers",";n_{chambers};n_{entries}",20,0,20);
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}
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amagnan |
1.2 |
void HistosElecs::FillEventHistograms(edm::Handle<std::vector<pat::Electron> > aCol){
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if (doGenMatched_) {
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unsigned int nMatched = 0;
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for (std::vector<pat::Electron>::const_iterator iElec = aCol->begin();
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iElec != aCol->end();
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iElec++)
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{
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if (MatchesGenElectron(*iElec)) nMatched++;
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}
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p_nElectrons->Fill(nMatched);
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}
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else p_nElectrons->Fill(aCol->size());
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}
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void HistosElecs::FillHistograms(const pat::Electron & aElec, bool isLead){//FillHistograms
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bool lIsGenMatched = !doGenMatched_ || (doGenMatched_ && MatchesGenElectron(aElec));
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if (lIsGenMatched) {//genMatched
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if (isLead) {//isLead
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FillBaseHistograms(aElec.pt(),aElec.eta(),aElec.phi());
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}//isLead
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}//genMatched
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amagnan |
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}//FillHistograms
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amagnan |
1.2 |
bool HistosElecs::MatchesGenElectron(const pat::Electron& aPatElec)
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{
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bool isGenMatched = false;
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const std::vector<reco::GenParticleRef> & lVec = aPatElec.genParticleRefs();
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for ( std::vector<reco::GenParticleRef>::const_iterator it = lVec.begin();
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it != lVec.end(); ++it ) {
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if ( it->ref().isNonnull() && it->ref().isValid() ) {
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const reco::GenParticleRef & genParticle = (*it);
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if ( genParticle->pdgId() == -11 || genParticle->pdgId() == +11 ) isGenMatched = true;
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} else {
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edm::LogWarning("MatchesGenElectron") << " edm::Ref of genParticle associated to pat::Electron is invalid !!";
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}
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}
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return isGenMatched;
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}
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}//namespace
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