TruthSeedingAlgorithm.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2021 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/TrackParametrization.hpp"
#include "Acts/Definitions/Units.hpp"
#include "Acts/Utilities/Logger.hpp"
#include "ActsExamples/EventData/Index.hpp"
#include "ActsExamples/EventData/ProtoTrack.hpp"
#include "ActsExamples/EventData/SimParticle.hpp"
#include "ActsExamples/EventData/SimSeed.hpp"
#include "ActsExamples/EventData/SimSpacePoint.hpp"
#include "ActsExamples/Framework/DataHandle.hpp"
#include "ActsExamples/Framework/IAlgorithm.hpp"
#include "ActsExamples/Framework/ProcessCode.hpp"

#include <functional>
#include <memory>
#include <string>
#include <vector>

namespace ActsFatras {
class Barcode;
}  // namespace ActsFatras

namespace Acts {
class TrackingGeometry;
}

namespace ActsExamples {
struct AlgorithmContext;

class TruthSeedingAlgorithm final : public IAlgorithm {
 public:
  using HitParticlesMap = IndexMultimap<ActsFatras::Barcode>;

  struct Config {
    std::string inputParticles;
    std::string inputMeasurementParticlesMap;
    std::vector<std::string> inputSpacePoints;
    std::string outputParticles;
    std::string outputSeeds;
    std::string outputProtoTracks;
    float deltaRMin = 1. * Acts::UnitConstants::mm;
    float deltaRMax = 100. * Acts::UnitConstants::mm;
  };

  TruthSeedingAlgorithm(Config cfg, Acts::Logging::Level lvl);

  ProcessCode execute(const AlgorithmContext& ctx) const override;

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

 private:
  Config m_cfg;

  ReadDataHandle<SimParticleContainer> m_inputParticles{this, "InputParticles"};
  ReadDataHandle<HitParticlesMap> m_inputMeasurementParticlesMap{
      this, "InputMeasurementParticlesMaps"};
  std::vector<std::unique_ptr<ReadDataHandle<SimSpacePointContainer>>>
      m_inputSpacePoints{};

  WriteDataHandle<SimParticleContainer> m_outputParticles{this,
                                                          "OutputParticles"};
  WriteDataHandle<ProtoTrackContainer> m_outputProtoTracks{this,
                                                           "OutputProtoTracks"};
  WriteDataHandle<SimSeedContainer> m_outputSeeds{this, "OutputSeeds"};
};

}  // namespace ActsExamples