ActsPlugins/Json/DetectorVolumeJsonConverter.hpp

0001 // This file is part of the ACTS project.
0002 //
0003 // Copyright (C) 2016 CERN for the benefit of the ACTS project
0004 //
0005 // This Source Code Form is subject to the terms of the Mozilla Public
0006 // License, v. 2.0. If a copy of the MPL was not distributed with this
0007 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
0008
0009 #pragma once
0010
0011 #include "Acts/Geometry/GeometryContext.hpp"
0012 #include "ActsPlugins/Json/ActsJson.hpp"
0013 #include "ActsPlugins/Json/AlgebraJsonConverter.hpp"
0014 #include "ActsPlugins/Json/PortalJsonConverter.hpp"
0015 #include "ActsPlugins/Json/SurfaceJsonConverter.hpp"
0016
0017 #include <map>
0018 #include <memory>
0019 #include <vector>
0020
0021 // Custom Json encoder/decoders
0022
0023 namespace Acts {
0024
0025 class Surface;
0026
0027 namespace Experimental {
0028 class DetectorVolume;
0029 class Portal;
0030 }  // namespace Experimental
0031
0032 namespace DetectorVolumeJsonConverter {
0033
0034 struct Options {
0035   // The options how surfaces are written out
0036   SurfaceJsonConverter::Options surfaceOptions;
0037   // The options how portals are written out
0038   PortalJsonConverter::Options portalOptions;
0039   // The options how transforms are written out
0040   Transform3JsonConverter::Options transformOptions;
0041 };
0042
0043 /// @brief Convert to json format
0044 ///
0045 /// @param gctx the geometry context
0046 /// @param volume the detector volume instance
0047 /// @param detectorVolumes the list of other detector volumes
0048 /// @param portals the list of portals for saving the portal links
0049 /// @param options the options for the conversion
0050 ///
0051 /// @return a json object representing the detector volume
0052 nlohmann::json toJson(
0053     const GeometryContext& gctx, const Experimental::DetectorVolume& volume,
0054     const std::vector<const Experimental::DetectorVolume*>& detectorVolumes,
0055     const std::vector<const Experimental::Portal*>& portals = {},
0056     const Options& options = Options{});
0057
0058 /// @brief convert from json format
0059 ///
0060 /// @param gctx the geometry context
0061 /// @param jVolume the json object representing the detector volume
0062 ///
0063 /// @note this only creates a volume in a stand-alone context, not in a detector
0064 ///       context. For the latter, use the DetectorJsonConverter that will patch
0065 ///       the portals accordingly
0066 std::shared_ptr<Experimental::DetectorVolume> fromJson(
0067     const GeometryContext& gctx, const nlohmann::json& jVolume);
0068
0069 }  // namespace DetectorVolumeJsonConverter
0070 }  // namespace Acts