EtaMultiRangeCut.cc

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#include "PhysicsTools/SelectorUtils/interface/CutApplicatorBase.h"
 
class EtaMultiRangeCut : public CutApplicatorBase {
public:
  EtaMultiRangeCut(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);
    }
  }
 
  double value(const reco::CandidatePtr& cand) const final { return (_absEta ? std::abs(cand->eta()) : cand->eta()); }
 
  result_type asCandidate(const argument_type&) const final;
 
private:
  const bool _absEta;
  std::vector<std::pair<double, double> > _ranges;
};
 
DEFINE_EDM_PLUGIN(CutApplicatorFactory, EtaMultiRangeCut, "EtaMultiRangeCut");
 
CutApplicatorBase::result_type EtaMultiRangeCut::asCandidate(const argument_type& cand) const {
  const double the_eta = (_absEta ? std::abs(cand->eta()) : cand->eta());
  bool result = false;
  for (const auto& range : _ranges) {
    if (the_eta >= range.first && the_eta < range.second) {
      result = true;
      break;
    }
  }
  return result;
}