Core/Material/IntersectionMaterialAssignerTests.cpp

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 #include <boost/test/unit_test.hpp>
0010
0011 #include "Acts/Definitions/Algebra.hpp"
0012 #include "Acts/Geometry/CylinderVolumeBounds.hpp"
0013 #include "Acts/Geometry/GeometryContext.hpp"
0014 #include "Acts/Geometry/GeometryIdentifier.hpp"
0015 #include "Acts/Geometry/TrackingVolume.hpp"
0016 #include "Acts/MagneticField/MagneticFieldContext.hpp"
0017 #include "Acts/Material/IntersectionMaterialAssigner.hpp"
0018 #include "Acts/Surfaces/CylinderSurface.hpp"
0019 #include "Acts/Utilities/Enumerate.hpp"
0020
0021 #include <limits>
0022
0023 using namespace Acts;
0024
0025 namespace ActsTests {
0026
0027 auto tContext = GeometryContext();
0028 auto mContext = MagneticFieldContext();
0029
0030 BOOST_AUTO_TEST_SUITE(MaterialSuite)
0031
0032 BOOST_AUTO_TEST_CASE(FindSurfaceIntersections) {
0033   // Create a vector of surfaces
0034   std::vector<std::shared_ptr<Surface>> surfaces = {
0035       Surface::makeShared<CylinderSurface>(Transform3::Identity(), 20.0, 100.0),
0036       Surface::makeShared<CylinderSurface>(Transform3::Identity(), 30.0, 100.0),
0037       Surface::makeShared<CylinderSurface>(Transform3::Identity(), 50.0,
0038                                            100.0)};
0039
0040   IntersectionMaterialAssigner::Config imCfg;
0041   for (const auto &surface : surfaces) {
0042     imCfg.surfaces.push_back(surface.get());
0043   }
0044
0045   IntersectionMaterialAssigner imAssigner(imCfg);
0046   auto [surfaceCandides, volumeCandidates] = imAssigner.assignmentCandidates(
0047       tContext, mContext, Vector3(0, 0, 0), Vector3(1, 1, 0).normalized());
0048
0049   BOOST_CHECK_EQUAL(surfaceCandides.size(), 3u);
0050   BOOST_CHECK_EQUAL(volumeCandidates.size(), 0u);
0051 }
0052
0053 BOOST_AUTO_TEST_CASE(FindTrackingVolumeIntersections) {
0054   auto cylinerVolumeBounds =
0055       std::make_shared<CylinderVolumeBounds>(20.0, 100.0, 400.0);
0056   auto volume = std::make_shared<TrackingVolume>(
0057       Transform3::Identity(), cylinerVolumeBounds, nullptr, nullptr, nullptr,
0058       MutableTrackingVolumeVector{}, "CylindricalTrackignVolume");
0059
0060   IntersectionMaterialAssigner::Config imCfg;
0061   imCfg.trackingVolumes.push_back(volume.get());
0062
0063   IntersectionMaterialAssigner imAssigner(imCfg);
0064   auto [surfaceCandides, volumeCandidates] = imAssigner.assignmentCandidates(
0065       tContext, mContext, Vector3(0, 0, 0), Vector3(1, 1, 0).normalized());
0066
0067   BOOST_CHECK_EQUAL(surfaceCandides.size(), 0u);
0068   BOOST_CHECK_EQUAL(volumeCandidates.size(), 1u);
0069 }
0070
0071 BOOST_AUTO_TEST_SUITE_END()
0072
0073 }  // namespace ActsTests