HTSelector.cxx

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/*
   Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
 */
 
#include "TopEventSelectionTools/HTSelector.h"
 
#include "TopEvent/EventTools.h"
 
namespace top {
  HTSelector::HTSelector(const std::string& params) :
    SignValueSelector("HT", params) {
  }
 
  bool HTSelector::apply(const top::Event& event) const {
    const double ht = top::ht(event);
 
    return checkFloat(ht, value());
  }
 
  bool HTSelector::applyParticleLevel(const top::ParticleLevelEvent& event) const {
    // If any of the required collections is a nullptr (i.e. has not been
    // loaded) return false.
    if (not event.m_electrons
        or not event.m_muons
        or not event.m_jets) {
      return false;
    }
 
    double sumHt = 0.0;
 
    for (const auto el : *event.m_electrons)
      sumHt += el->pt();
 
    for (const auto mu : *event.m_muons)
      sumHt += mu->pt();
 
    for (const auto jet : *event.m_jets)
      sumHt += jet->pt();
 
    return checkFloat(sumHt, value());
  }
}