HepMC3Event.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 "Acts/Definitions/Units.hpp"
#include "ActsExamples/EventData/SimParticle.hpp"
#include "ActsExamples/EventData/SimVertex.hpp"

#include <HepMC3/FourVector.h>
#include <HepMC3/GenEvent.h>
#include <HepMC3/GenParticle.h>
#include <HepMC3/GenVertex.h>

namespace ActsExamples {
namespace HepMC3Event {


void momentumUnit(HepMC3::GenEvent& event, const double momentumUnit);

void lengthUnit(HepMC3::GenEvent& event, const double lengthUnit);

void shiftPositionBy(HepMC3::GenEvent& event, const Acts::Vector3& deltaPos,
                     const double deltaTime);

void shiftPositionTo(HepMC3::GenEvent& event, const Acts::Vector3& pos,
                     const double time);

void shiftPositionTo(HepMC3::GenEvent& event, const Acts::Vector3& pos);

void shiftPositionTo(HepMC3::GenEvent& event, const double time);


void addParticle(HepMC3::GenEvent& event,
                 const std::shared_ptr<SimParticle>& particle);

void addVertex(HepMC3::GenEvent& event,
               const std::shared_ptr<SimVertex>& vertex);

void removeParticle(HepMC3::GenEvent& event,
                    const std::shared_ptr<SimParticle>& particle);

void removeVertex(HepMC3::GenEvent& event,
                  const std::shared_ptr<SimVertex>& vertex);


double momentumUnit(const HepMC3::GenEvent& event);

double lengthUnit(const HepMC3::GenEvent& event);

Acts::Vector3 eventPos(const HepMC3::GenEvent& event);

double eventTime(const HepMC3::GenEvent& event);

std::vector<SimParticle> particles(const HepMC3::GenEvent& event);

std::vector<std::unique_ptr<SimVertex>> vertices(const HepMC3::GenEvent& event);

std::vector<SimParticle> beams(const HepMC3::GenEvent& event);

std::vector<SimParticle> finalState(const HepMC3::GenEvent& event);

}  // namespace HepMC3Event
}  // namespace ActsExamples