Herwig6PartonSelector.cc

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#include "PhysicsTools/JetMCAlgos/interface/Herwig6PartonSelector.h"
#include "PhysicsTools/JetMCUtils/interface/CandMCTag.h"
 
Herwig6PartonSelector::Herwig6PartonSelector() {}
 
Herwig6PartonSelector::~Herwig6PartonSelector() {}
 
void Herwig6PartonSelector::run(const edm::Handle<reco::GenParticleCollection>& particles,
                                std::unique_ptr<reco::GenParticleRefVector>& partons) {
  // loop over particles and select partons
  for (reco::GenParticleCollection::const_iterator it = particles->begin(); it != particles->end(); ++it) {
    if (it->status() != 2)
      continue;  // only accept status==2 particles
    if (!CandMCTagUtils::isParton(*it))
      continue;  // skip particle if not a parton
 
    partons->push_back(reco::GenParticleRef(particles, it - particles->begin()));
  }
 
  return;
}