GeneratorInterface/HiGenCommon/src/EcalGenEvtSelector.cc - master - githubmirror/cmssw

GeneratorInterface/HiGenCommon/src/EcalGenEvtSelector.cc

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16 май 2019, 15:48

16 май 2019, 15:480847e19

#include <iostream>
#include "GeneratorInterface/HiGenCommon/interface/EcalGenEvtSelector.h"
#include "FWCore/Utilities/interface/EDMException.h"
using namespace std;

EcalGenEvtSelector::EcalGenEvtSelector(const edm::ParameterSet& pset) : BaseHiGenEvtSelector(pset) {
  partonId_ = pset.getParameter<vector<int> >("partons");
  partonStatus_ = pset.getParameter<vector<int> >("partonStatus");
  partonPt_ = pset.getParameter<vector<double> >("partonPt");

  particleId_ = pset.getParameter<vector<int> >("particles");
  particleStatus_ = pset.getParameter<vector<int> >("particleStatus");
  particlePt_ = pset.getParameter<vector<double> >("particlePt");

  etaMax_ = pset.getParameter<double>("etaMax");

  int id = partonId_.size();
  int st = partonStatus_.size();
  int pt = partonPt_.size();

  if (partonId_.size() != partonStatus_.size() || partonId_.size() != partonPt_.size()) {
    throw edm::Exception(edm::errors::LogicError) << id << st << pt << endl;
  }

  id = particleId_.size();
  st = particleStatus_.size();
  pt = particlePt_.size();

  if (particleId_.size() != particleStatus_.size() || particleId_.size() != particlePt_.size()) {
    throw edm::Exception(edm::errors::LogicError) << id << st << pt << endl;
  }
}

bool EcalGenEvtSelector::filter(HepMC::GenEvent* evt) {
  HepMC::GenEvent::particle_const_iterator begin = evt->particles_begin();
  HepMC::GenEvent::particle_const_iterator end = evt->particles_end();

  bool foundParticle = false;
  bool foundParton = false;

  HepMC::GenEvent::particle_const_iterator it = begin;
  while ((!foundParton || !foundParticle) && it != end) {
    for (unsigned i = 0; i < partonId_.size(); ++i) {
      if (selectParticle(*it, partonStatus_[i], partonId_[i], partonPt_[i], etaMax_))
        foundParton = true;
    }
    for (unsigned i = 0; i < particleId_.size(); ++i) {
      if (selectParticle(*it, particleStatus_[i], particleId_[i], particlePt_[i], etaMax_))
        foundParticle = true;
    }
    ++it;
  }

  return (foundParton && foundParticle);
}