NPhotonSelector.cxx

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/*
   Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
 */
 
#include "TopEventSelectionTools/NPhotonSelector.h"
 
#include <algorithm>
 
namespace top {
  NPhotonSelector::NPhotonSelector(const std::string& params) :
    SignValueSelector("PH_N", params, true) {
    checkMultiplicityIsInteger();
  }
 
  bool NPhotonSelector::apply(const top::Event& event) const {
    auto func = [&](const xAOD::Photon* phPtr) {
                  return phPtr->pt() > value();
                };
    auto count = std::count_if(event.m_photons.begin(), event.m_photons.end(), func);
 
    return checkInt(count, multiplicity());
  }
 
  bool NPhotonSelector::applyParticleLevel(const top::ParticleLevelEvent& event) const {
    auto func = [&](const xAOD::TruthParticle* truPhPtr) {
                  return truPhPtr->pt() > value();
                };
    auto count = std::count_if(event.m_photons->begin(), event.m_photons->end(), func);
 
    return checkInt(count, multiplicity());
  }
}