HepMC3Particle.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2018 CERN for the benefit of the Acts project
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#pragma once

#include "ActsExamples/EventData/SimParticle.hpp"
#include "ActsExamples/EventData/SimVertex.hpp"

#include <HepMC3/FourVector.h>
#include <HepMC3/GenParticle.h>
#include <HepMC3/GenVertex.h>
#include <HepPID/ParticleIDMethods.hh>

namespace ActsExamples {

struct HepMC3Particle {
 public:
  std::unique_ptr<SimParticle> particle(
      const std::shared_ptr<HepMC3::GenParticle> particle);

  int id(const std::shared_ptr<HepMC3::GenParticle> particle);

  std::unique_ptr<SimVertex> productionVertex(
      const std::shared_ptr<HepMC3::GenParticle> particle);

  std::unique_ptr<SimVertex> endVertex(
      const std::shared_ptr<HepMC3::GenParticle> particle);

  int pdgID(const std::shared_ptr<HepMC3::GenParticle> particle);

  Acts::Vector3D momentum(const std::shared_ptr<HepMC3::GenParticle> particle);

  double energy(const std::shared_ptr<HepMC3::GenParticle> particle);

  double mass(const std::shared_ptr<HepMC3::GenParticle> particle);

  double charge(const std::shared_ptr<HepMC3::GenParticle> particle);

  void pdgID(std::shared_ptr<HepMC3::GenParticle> particle, const int pid);

  void momentum(std::shared_ptr<HepMC3::GenParticle> particle,
                const Acts::Vector3D& mom);

  void energy(std::shared_ptr<HepMC3::GenParticle> particle,
              const double energy);

  void mass(std::shared_ptr<HepMC3::GenParticle> particle, const double mass);
};

}  // namespace ActsExamples