TrackFittingAlgorithm.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2019-2021 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/Utilities/Logger.hpp"
#include "ActsExamples/EventData/Cluster.hpp"
#include "ActsExamples/EventData/IndexSourceLink.hpp"
#include "ActsExamples/EventData/Measurement.hpp"
#include "ActsExamples/EventData/ProtoTrack.hpp"
#include "ActsExamples/EventData/Track.hpp"
#include "ActsExamples/Framework/DataHandle.hpp"
#include "ActsExamples/Framework/IAlgorithm.hpp"
#include "ActsExamples/Framework/ProcessCode.hpp"
#include "ActsExamples/TrackFitting/TrackFitterFunction.hpp"

#include <memory>
#include <string>

namespace Acts {
class TrackingGeometry;
}

namespace ActsExamples {
class MeasurementCalibrator;
class TrackFitterFunction;
struct AlgorithmContext;

class TrackFittingAlgorithm final : public IAlgorithm {
 public:
  struct Config {
    std::string inputMeasurements;
    std::string inputSourceLinks;
    std::string inputProtoTracks;
    std::string inputInitialTrackParameters;
    std::string inputClusters;
    std::string outputTracks;
    std::shared_ptr<TrackFitterFunction> fit;
    int pickTrack = -1;
    // Type erased calibrator for the measurements
    std::shared_ptr<MeasurementCalibrator> calibrator;
  };

  TrackFittingAlgorithm(Config config, Acts::Logging::Level level);

  ActsExamples::ProcessCode execute(const AlgorithmContext& ctx) const final;

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

 private:
  Config m_cfg;

  ReadDataHandle<MeasurementContainer> m_inputMeasurements{this,
                                                           "InputMeasurements"};
  ReadDataHandle<IndexSourceLinkContainer> m_inputSourceLinks{
      this, "InputSourceLinks"};
  ReadDataHandle<ProtoTrackContainer> m_inputProtoTracks{this,
                                                         "InputProtoTracks"};
  ReadDataHandle<TrackParametersContainer> m_inputInitialTrackParameters{
      this, "InputInitialTrackParameters"};

  ReadDataHandle<ClusterContainer> m_inputClusters{this, "InputClusters"};

  WriteDataHandle<ConstTrackContainer> m_outputTracks{this, "OutputTracks"};
};

}  // namespace ActsExamples