TrackParameterSelector.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2023 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/Utilities/Logger.hpp"
#include "ActsExamples/EventData/Track.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 TrackParameterSelector final : public IAlgorithm {
 public:
  struct Config {
    std::string inputTrackParameters;
    std::string outputTrackParameters;

    // Minimum/maximum local positions.
    double loc0Min = -std::numeric_limits<double>::infinity();
    double loc0Max = std::numeric_limits<double>::infinity();
    double loc1Min = -std::numeric_limits<double>::infinity();
    double loc1Max = std::numeric_limits<double>::infinity();
    // Minimum/maximum track 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 = 0.0;
    double absEtaMax = std::numeric_limits<double>::infinity();
    // Momentum cuts.
    double ptMin = 0.0;
    double ptMax = std::numeric_limits<double>::infinity();
  };

  TrackParameterSelector(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<TrackParametersContainer> m_inputTrackParameters{
      this, "InputTrackParameters"};
  WriteDataHandle<TrackParametersContainer> m_outputTrackParameters{
      this, "OutputTrackParameters"};
};

}  // namespace ActsExamples