GsfEleSCEtaMultiRangeCut.cc

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#include "PhysicsTools/SelectorUtils/interface/CutApplicatorBase.h"
#include "DataFormats/EgammaCandidates/interface/GsfElectron.h"

class GsfEleSCEtaMultiRangeCut : public CutApplicatorBase {
public:
  GsfEleSCEtaMultiRangeCut(const edm::ParameterSet& c)
      : CutApplicatorBase(c), _absEta(c.getParameter<bool>("useAbsEta")) {
    const std::vector<edm::ParameterSet>& ranges = c.getParameterSetVector("allowedEtaRanges");
    for (const auto& range : ranges) {
      const double min = range.getParameter<double>("minEta");
      const double max = range.getParameter<double>("maxEta");
      _ranges.emplace_back(min, max);
    }
  }

  result_type operator()(const reco::GsfElectronPtr&) const final;

  double value(const reco::CandidatePtr& cand) const final;

  CandidateType candidateType() const final { return ELECTRON; }

private:
  const bool _absEta;
  std::vector<std::pair<double, double> > _ranges;
};

DEFINE_EDM_PLUGIN(CutApplicatorFactory, GsfEleSCEtaMultiRangeCut, "GsfEleSCEtaMultiRangeCut");

CutApplicatorBase::result_type GsfEleSCEtaMultiRangeCut::operator()(const reco::GsfElectronPtr& cand) const {
  const reco::SuperClusterRef& scref = cand->superCluster();
  const double the_eta = (_absEta ? std::abs(scref->eta()) : scref->eta());
  bool result = false;
  for (const auto& range : _ranges) {
    if (the_eta >= range.first && the_eta < range.second) {
      result = true;
      break;
    }
  }
  return result;
}

double GsfEleSCEtaMultiRangeCut::value(const reco::CandidatePtr& cand) const {
  reco::GsfElectronPtr ele(cand);
  const reco::SuperClusterRef& scref = ele->superCluster();
  return (_absEta ? std::abs(scref->eta()) : scref->eta());
}