JsonMaterialWriter.cpp

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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/.

#include "ActsExamples/Plugins/Json/JsonMaterialWriter.hpp"

#include "Acts/Geometry/GeometryIdentifier.hpp"
#include "Acts/Material/BinnedSurfaceMaterial.hpp"

#include <fstream>
#include <ios>
#include <iostream>
#include <stdexcept>

ActsExamples::JsonMaterialWriter::JsonMaterialWriter(
    const Acts::JsonGeometryConverter::Config& cfg, const std::string& fileName)
    : m_cfg(cfg), m_fileName(fileName) {
  // Validate the configuration
  if (m_cfg.name.empty()) {
    throw std::invalid_argument("Missing service name");
  }
}

ActsExamples::JsonMaterialWriter::~JsonMaterialWriter() {}

void ActsExamples::JsonMaterialWriter::write(
    const Acts::DetectorMaterialMaps& detMaterial) {
  // Evoke the converter
  Acts::JsonGeometryConverter jmConverter(m_cfg);
  auto jout = jmConverter.materialMapsToJson(detMaterial);
  // And write the file
  std::ofstream ofj(m_fileName);
  ofj << std::setw(4) << jout << std::endl;
}

void ActsExamples::JsonMaterialWriter::write(
    const Acts::TrackingGeometry& tGeometry) {
  // Evoke the converter
  Acts::JsonGeometryConverter jmConverter(m_cfg);
  auto jout = jmConverter.trackingGeometryToJson(tGeometry);
  // And write the file
  std::ofstream ofj(m_fileName);
  ofj << std::setw(4) << jout << std::endl;
}