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//
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// Implementacion of b Jet Selector for PAT
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// By J.E. Ramirez Jun 18,2008
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//
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#include "PhysicsTools/PatUtils/interface/bJetSelector.h"
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#include "FWCore/ParameterSet/interface/ParameterSet.h"
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bJetSelector::bJetSelector(const edm::ParameterSet& cfg) :
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discriminantCutsLoose_(cfg.getParameter<std::vector<double> >("discCutLoose")),
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discriminantCutsMedium_(cfg.getParameter<std::vector<double> >("discCutMedium")),
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discriminantCutsTight_(cfg.getParameter<std::vector<double> >("discCutTight")),
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BTagdiscriminator_(cfg.getParameter<std::vector<std::string> >("bdiscriminators")),
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DefaultOp_(cfg.getParameter<std::string>("DefaultOp")),
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DefaultTg_(cfg.getParameter<std::string>("DefaultBdisc"))
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{
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for (unsigned int i=0; i<BTagdiscriminator_.size(); i++){
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discCut["Loose"][BTagdiscriminator_[i]] = discriminantCutsLoose_[i];
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discCut["Medium"][BTagdiscriminator_[i]] = discriminantCutsMedium_[i];
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discCut["Tight"][BTagdiscriminator_[i]] = discriminantCutsTight_[i];
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}
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}
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bool
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bJetSelector::IsbTag(const pat::Jet& JetCand,
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const std::string& operpoint,
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const std::string& tagger) const {
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std::map<std::string,std::map<std::string,double> >::const_iterator ioperpoint = discCut.find(operpoint);
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if ( ioperpoint == discCut.end() ) throw cms::Exception("UnknownOperatingPoint") << "Unknown or undefined operative point" << std::endl;
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std::map<std::string,double>::const_iterator itagger = ioperpoint->second.find(tagger);
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if ( itagger == ioperpoint->second.end() ) throw cms::Exception("UnknownTagger") << "Unknown or undefined tagger" << std::endl;
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return JetCand.bDiscriminator(tagger) > itagger->second;
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}
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bool
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bJetSelector::IsbTag(const pat::Jet& JetCand,
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const std::string& operpoint) const {
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return IsbTag(JetCand,operpoint,DefaultTg_);
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}
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bool
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bJetSelector::IsbTag(const pat::Jet& JetCand) const{
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return IsbTag(JetCand,DefaultOp_,DefaultTg_);
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}
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