ParticleSelector.hpp

Go to the documentation of this file. Or view the newest version in sPHENIX GitHub for file ParticleSelector.hpp

// This file is part of the Acts project.
//
// Copyright (C) 2019-2020 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/Geometry/GeometryIdentifier.hpp"
#include "Acts/Utilities/Logger.hpp"
#include "ActsExamples/EventData/Index.hpp"
#include "ActsExamples/EventData/Measurement.hpp"
#include "ActsExamples/EventData/SimParticle.hpp"
#include "ActsExamples/Framework/DataHandle.hpp"
#include "ActsExamples/Framework/IAlgorithm.hpp"
#include "ActsExamples/Framework/ProcessCode.hpp"

#include <limits>
#include <string>

namespace ActsExamples {
struct AlgorithmContext;

class ParticleSelector final : public IAlgorithm {
 public:
  struct Config {
    std::string inputParticles;
    std::string inputMeasurementParticlesMap;
    std::string outputParticles;
    // Minimum/maximum distance from the origin in the transverse plane.
    double rhoMin = 0;
    double rhoMax = std::numeric_limits<double>::infinity();
    // Minimum/maximum absolute distance from the origin along z.
    double absZMin = 0;
    double absZMax = std::numeric_limits<double>::infinity();
    // Minimum/maximum particle time.
    double timeMin = -std::numeric_limits<double>::infinity();
    double timeMax = std::numeric_limits<double>::infinity();
    // Direction cuts.
    double phiMin = -std::numeric_limits<double>::infinity();
    double phiMax = std::numeric_limits<double>::infinity();
    double etaMin = -std::numeric_limits<double>::infinity();
    double etaMax = std::numeric_limits<double>::infinity();
    double absEtaMin = 0;
    double absEtaMax = std::numeric_limits<double>::infinity();
    // Momentum cuts.
    double ptMin = 0;
    double ptMax = std::numeric_limits<double>::infinity();
    // Rest mass cuts
    double mMin = 0;
    double mMax = std::numeric_limits<double>::infinity();
    std::size_t measurementsMin = 0;
    std::size_t measurementsMax = std::numeric_limits<std::size_t>::max();
    bool removeCharged = false;
    bool removeNeutral = false;

    bool removeSecondaries = false;
  };

  ParticleSelector(const Config& config, Acts::Logging::Level level);

  ProcessCode execute(const AlgorithmContext& ctx) const final;

  const Config& config() const { return m_cfg; }

 private:
  Config m_cfg;

  ReadDataHandle<SimParticleContainer> m_inputParticles{this, "InputParticles"};
  ReadDataHandle<IndexMultimap<ActsFatras::Barcode>> m_inputMap{
      this, "InputMeasurementParticlesMap"};

  WriteDataHandle<SimParticleContainer> m_outputParticles{this,
                                                          "OutputParticles"};
};

}  // namespace ActsExamples