ParticleSelector.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2019 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 <limits>

#include "ACTFW/Framework/BareAlgorithm.hpp"
#include "ACTFW/Utilities/OptionsFwd.hpp"

namespace FW {

class ParticleSelector : public BareAlgorithm {
 public:
  struct Config {
    std::string inputEvent;
    std::string outputEvent;
    // Minimum/maximum distance from the origin in the tranverse 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();
    // 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 = 0.0;
    double ptMax = std::numeric_limits<double>::infinity();
    bool removeCharged = false;
    bool removeNeutral = false;
  };

  static void addOptions(Options::Description& desc);
  static Config readConfig(const Options::Variables& vars);

  ParticleSelector(const Config& cfg, Acts::Logging::Level lvl);

  ProcessCode execute(const AlgorithmContext& ctx) const;

 private:
  Config m_cfg;
};

}  // namespace FW