RootMaterialWriter.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2017-2019 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 "ActsExamples/Framework/ProcessCode.hpp"
#include "ActsExamples/MaterialMapping/IMaterialWriter.hpp"
#include <Acts/Definitions/Algebra.hpp>
#include <Acts/Geometry/GeometryIdentifier.hpp>
#include <Acts/Geometry/TrackingGeometry.hpp>
#include <Acts/Geometry/TrackingVolume.hpp>
#include <Acts/Material/IMaterialDecorator.hpp>
#include <Acts/Material/ISurfaceMaterial.hpp>
#include <Acts/Material/IVolumeMaterial.hpp>
#include <Acts/Surfaces/Surface.hpp>
#include <Acts/Utilities/Logger.hpp>

#include <map>
#include <memory>
#include <mutex>
#include <string>
#include <utility>

class TFile;

namespace Acts {
class ISurfaceMaterial;
class IVolumeMaterial;
class Layer;
class TrackingGeometry;
class TrackingVolume;

using SurfaceMaterialMap =
    std::map<GeometryIdentifier, std::shared_ptr<const ISurfaceMaterial>>;
using VolumeMaterialMap =
    std::map<GeometryIdentifier, std::shared_ptr<const IVolumeMaterial>>;
using DetectorMaterialMaps = std::pair<SurfaceMaterialMap, VolumeMaterialMap>;
}  // namespace Acts

namespace ActsExamples {

class RootMaterialWriter : public IMaterialWriter {
 public:
  struct Config {
    bool processSensitives = true;

    bool processApproaches = true;

    bool processRepresenting = true;

    bool processBoundaries = true;

    bool processVolumes = true;

    std::string folderSurfaceNameBase = "SurfaceMaterial";
    std::string folderVolumeNameBase = "VolumeMaterial";
    std::string voltag = "_vol";
    std::string boutag = "_bou";
    std::string laytag = "_lay";
    std::string apptag = "_app";
    std::string sentag = "_sen";
    std::string ntag = "n";
    std::string vtag = "v";
    std::string otag = "o";
    std::string mintag = "min";
    std::string maxtag = "max";
    std::string ttag = "t";
    std::string x0tag = "x0";
    std::string l0tag = "l0";
    std::string atag = "A";
    std::string ztag = "Z";
    std::string rhotag = "rho";
    std::string filePath = "material-maps.root";
    std::string fileMode = "RECREATE";
  };

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

  ~RootMaterialWriter() override;

  void writeMaterial(const Acts::DetectorMaterialMaps& detMaterial) override;

  void write(const Acts::TrackingGeometry& tGeometry);

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

 private:
  void collectMaterial(const Acts::TrackingVolume& tVolume,
                       Acts::DetectorMaterialMaps& detMatMap);

  void collectMaterial(const Acts::Layer& tLayer,
                       Acts::DetectorMaterialMaps& detMatMap);

  Config m_cfg;

  std::unique_ptr<const Acts::Logger> m_logger;

  const Acts::Logger& logger() const { return *m_logger; }

  TFile* m_outputFile{nullptr};
};

}  // namespace ActsExamples