Core/Visualization/PrimitivesView3DTests.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/Tests/CommonHelpers/FloatComparisons.hpp"
0013 #include "Acts/Visualization/EventDataView3D.hpp"
0014 #include "Acts/Visualization/ObjVisualization3D.hpp"
0015 #include "Acts/Visualization/PlyVisualization3D.hpp"
0016
0017 #include <array>
0018 #include <cmath>
0019 #include <iostream>
0020 #include <numbers>
0021 #include <string>
0022 #include <vector>
0023
0024 #include "PrimitivesView3DBase.hpp"
0025 #include "Visualization3DTester.hpp"
0026
0027 namespace Acts::Test {
0028
0029 BOOST_AUTO_TEST_SUITE(Visualization)
0030
0031 /// The tests in this section are regression tests only in order
0032 /// to catch any unexpected changes in the output format.
0033 ///
0034 BOOST_AUTO_TEST_CASE(Visualization3DHelpers) {
0035   // No correlation, fully symmetric
0036   SquareMatrix2 covariance;
0037   covariance << 4., 0., 0., 4.;
0038   auto decops = Acts::EventDataView3D::decomposeCovariance(covariance);
0039   BOOST_CHECK_EQUAL(decops[0], 4.);
0040   BOOST_CHECK_EQUAL(decops[1], 4.);
0041   BOOST_CHECK_EQUAL(decops[2], 0.);
0042
0043   // Fully positively correlated
0044   covariance.setZero();
0045   covariance << 4., 4., 4., 4.;
0046   decops = Acts::EventDataView3D::decomposeCovariance(covariance);
0047   BOOST_CHECK_EQUAL(decops[0], 8.);
0048   BOOST_CHECK_EQUAL(decops[1], 0.);
0049   CHECK_CLOSE_ABS(decops[2], std::numbers::pi / 4., 0.0001);
0050
0051   // Fully negatively correlated
0052   covariance.setZero();
0053   covariance << 4., -4., -4., 4.;
0054   decops = Acts::EventDataView3D::decomposeCovariance(covariance);
0055   BOOST_CHECK_EQUAL(decops[0], 8.);
0056   BOOST_CHECK_EQUAL(decops[1], 0.);
0057   CHECK_CLOSE_ABS(decops[2], 3 * std::numbers::pi / 4., 0.0001);
0058
0059   // Correlation coefficient 0.5 (off-diagonal: 3*2*0.5)
0060   covariance.setZero();
0061   covariance << 4., 2., 2., 4.;
0062   decops = Acts::EventDataView3D::decomposeCovariance(covariance);
0063   BOOST_CHECK_EQUAL(decops[0], 6.);
0064   BOOST_CHECK_EQUAL(decops[1], 2.);
0065   CHECK_CLOSE_ABS(decops[2], std::numbers::pi / 4., 0.0001);
0066
0067   // Correlation coefficient -0.5 & different diagonal (off-diagonal: 3*2*0.5)
0068   covariance.setZero();
0069   covariance << 9., -3., -3, 4.;
0070   decops = Acts::EventDataView3D::decomposeCovariance(covariance);
0071   CHECK_CLOSE_ABS(decops[0], 10.4051, 0.0001);
0072   CHECK_CLOSE_ABS(decops[1], 2.59488, 0.0001);
0073   CHECK_CLOSE_ABS(decops[2], 2.70356, 0.0001);
0074 }
0075
0076 BOOST_AUTO_TEST_CASE(PrimitivesView3DObj) {
0077   ObjVisualization3D obj;
0078   auto objTest = PrimitivesView3DTest::run(obj);
0079   auto objErrors = testObjString(objTest);
0080   BOOST_CHECK(objErrors.empty());
0081   for (const auto& objerr : objErrors) {
0082     std::cout << objerr << std::endl;
0083   }
0084 }
0085
0086 BOOST_AUTO_TEST_CASE(PrimitivesView3DPly) {
0087   PlyVisualization3D ply;
0088   auto plyTest = PrimitivesView3DTest::run(ply);
0089   auto plyErrors = testPlyString(plyTest);
0090   BOOST_CHECK(plyErrors.empty());
0091   for (const auto& plyerr : plyErrors) {
0092     std::cout << plyerr << std::endl;
0093   }
0094 }
0095
0096 BOOST_AUTO_TEST_SUITE_END()
0097
0098 }  // namespace Acts::Test