Visual Servoing Platform  version 3.6.1 under development (2024-12-17)
catchHomogeneousMatrix.cpp
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30  * Description:
31  * Test some vpHomogeneousMatrix functionalities.
32  */
33 
39 #include <visp3/core/vpConfig.h>
40 
41 #if defined(VISP_HAVE_CATCH2)
42 #include <visp3/core/vpHomogeneousMatrix.h>
43 
44 #include <catch_amalgamated.hpp>
45 
46 #ifdef ENABLE_VISP_NAMESPACE
47 using namespace VISP_NAMESPACE_NAME;
48 #endif
49 
50 bool test_matrix_equal(const vpHomogeneousMatrix &M1, const vpHomogeneousMatrix &M2, double epsilon = 1e-10)
51 {
52  for (unsigned int i = 0; i < 4; i++) {
53  for (unsigned int j = 0; j < 4; j++) {
54  if (!vpMath::equal(M1[i][j], M2[i][j], epsilon)) {
55  return false;
56  }
57  }
58  }
59  return true;
60 }
61 
62 TEST_CASE("vpHomogeneousMatrix re-orthogonalize rotation matrix", "[vpHomogeneousMatrix]")
63 {
64  CHECK_NOTHROW([]() {
65  vpHomogeneousMatrix M { 0.9835, -0.0581, 0.1716, 0.0072, -0.0489, -0.9972,
66  -0.0571, 0.0352, 0.1744, 0.0478, -0.9835, 0.9470 };
67  }());
68 
69  SECTION("check re-orthogonalize rotation part")
70  {
71  vpHomogeneousMatrix M1 { 0.9835, -0.0581, 0.1716, 0.0072, -0.0489, -0.9972,
72  -0.0571, 0.0352, 0.1744, 0.0478, -0.9835, 0.9470 };
73 
75  M2[0][0] = 0.9835;
76  M2[0][1] = -0.0581;
77  M2[0][2] = 0.1716;
78  M2[0][3] = 0.0072;
79  M2[1][0] = -0.0489;
80  M2[1][1] = -0.9972;
81  M2[1][2] = -0.0571;
82  M2[1][3] = 0.0352;
83  M2[2][0] = 0.1744;
84  M2[2][1] = 0.0478;
85  M2[2][2] = -0.9835;
86  M2[2][3] = 0.9470;
88 
89  for (unsigned int i = 0; i < 4; i++) {
90  for (unsigned int j = 0; j < 4; j++) {
91  CHECK(M1[i][j] == Catch::Approx(M2[i][j]).margin(std::numeric_limits<double>::epsilon()));
92  }
93  }
94  }
95 
96  CHECK_NOTHROW([]() {
97  vpHomogeneousMatrix M { 0.9835, -0.0581, 0.1716, 0.0072, -0.0937, -0.9738,
98  0.2072, 0.0481, 0.1551, -0.2199, -0.9631, 0.9583 };
99 
100  std::cout << "Original data:" << std::endl;
101  std::cout << "0.9835 -0.0581 0.1716 0.0072" << std::endl;
102  std::cout << " -0.0937 -0.9738 0.2072 0.0481" << std::endl;
103  std::cout << "0.1551 -0.2199 -0.9631 0.9583" << std::endl;
104  std::cout << "0 0 0 1" << std::endl;
105  std::cout << "M after rotation re-orthogonalization:\n" << M << std::endl;
106  }());
107 
108  CHECK_NOTHROW([]() {
109  vpHomogeneousMatrix M1 { 0.9835, -0.0581, 0.1716, 0.0072, -0.0937, -0.9738,
110  0.2072, 0.0481, 0.1551, -0.2199, -0.9631, 0.9583 };
111 
112  // following R init should not throw an exception
113  vpRotationMatrix R { M1[0][0], M1[0][1], M1[0][2], M1[1][0], M1[1][1], M1[1][2], M1[2][0], M1[2][1], M1[2][2] };
114  }());
115 
116  CHECK_THROWS([]() {
117  vpHomogeneousMatrix M { 0.983, -0.058, 0.171, 0.0072, -0.093, -0.973, 0.207, 0.0481, 0.155, -0.219, -0.963, 0.9583 };
118  }());
119 }
120 
121 TEST_CASE("vpRotationMatrix re-orthogonalize rotation matrix", "[vpRotationMatrix]")
122 {
123  CHECK_NOTHROW(
124  []() { vpRotationMatrix R { 0.9835, -0.0581, 0.1716, -0.0489, -0.9972, -0.0571, 0.1744, 0.0478, -0.9835 }; }());
125 
126  CHECK_NOTHROW([]() {
127  vpRotationMatrix R { 0.9835, -0.0581, 0.1716, -0.0937, -0.9738, 0.2072, 0.1551, -0.2199, -0.9631 };
128 
129  std::cout << "Original data:" << std::endl;
130  std::cout << "0.9835 -0.0581 0.1716" << std::endl;
131  std::cout << " -0.0937 -0.9738 0.2072" << std::endl;
132  std::cout << "0.1551 -0.2199 -0.9631" << std::endl;
133  std::cout << "R after rotation re-orthogonalization:\n" << R << std::endl;
134  }());
135 
136  CHECK_NOTHROW([]() {
137  vpRotationMatrix R {
138  0.46682, -0.74434, 0.47754, -0.83228, -0.55233, -0.04733, 0.29899, -0.37535, -0.87734,
139  };
140 
141  std::cout << "Original data:" << std::endl;
142  std::cout << "0.46682, -0.74434, 0.47754" << std::endl;
143  std::cout << "-0.83228, -0.55233, -0.04733" << std::endl;
144  std::cout << "0.29899, -0.37535, -0.87734" << std::endl;
145  std::cout << "R after rotation re-orthogonalization:\n" << R << std::endl;
146  }());
147 
148  CHECK_NOTHROW([]() {
150  R = {
151  0.46682, -0.74434, 0.47754, -0.83228, -0.55233, -0.04733, 0.29899, -0.37535, -0.87734,
152  };
153 
154  std::cout << "Original data:" << std::endl;
155  std::cout << "0.46682, -0.74434, 0.47754" << std::endl;
156  std::cout << "-0.83228, -0.55233, -0.04733" << std::endl;
157  std::cout << "0.29899, -0.37535, -0.87734" << std::endl;
158  std::cout << "R after rotation re-orthogonalization:\n" << R << std::endl;
159  }());
160 
161  CHECK_THROWS([]() { vpRotationMatrix R { 0.983, -0.058, 0.171, -0.093, -0.973, 0.207, 0.155, -0.219, -0.963 }; }());
162 }
163 
164 TEST_CASE("ENU to NED conversion", "[enu2ned]")
165 {
166  vpHomogeneousMatrix enu_M_flu { 0, -1, 0, 0.2, 1, 0, 0, 1., 0, 0, 1, 0.3 };
167  std::cout << "enu_M_flu:\n" << enu_M_flu << std::endl;
168 
169  vpHomogeneousMatrix enu_M_ned { 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, -1, 0 };
170  std::cout << "enu_M_ned:\n" << enu_M_ned << std::endl;
171 
172  vpHomogeneousMatrix flu_M_frd { 1, 0, 0, 0, 0, -1, 0, 0, 0, 0, -1, 0 };
173  std::cout << "flu_M_frd:\n" << flu_M_frd << std::endl;
174 
175  vpHomogeneousMatrix enu_M_frd = enu_M_flu * flu_M_frd;
176 
177  // Test1
178  {
179  vpHomogeneousMatrix ned_M_frd = enu_M_ned.inverse() * enu_M_flu * flu_M_frd;
180  std::cout << "ned_M_frd:\n" << ned_M_frd << std::endl;
181 
182  vpHomogeneousMatrix ned_M_frd_est = vpMath::enu2ned(enu_M_frd);
183  std::cout << "ned_M_frd_est:\n" << ned_M_frd_est << std::endl;
184 
185  bool success = test_matrix_equal(ned_M_frd, ned_M_frd_est);
186  std::cout << "Test enu2ned 1 " << (success ? "succeed" : "failed") << std::endl;
187 
188  CHECK(success);
189  }
190  // Test2
191  {
192  vpHomogeneousMatrix ned_M_flu = enu_M_ned.inverse() * enu_M_flu;
193  std::cout << "ned_M_flu:\n" << ned_M_flu << std::endl;
194 
195  vpHomogeneousMatrix ned_M_flu_est = vpMath::enu2ned(enu_M_flu);
196  std::cout << "ned_M_flu_est:\n" << ned_M_flu_est << std::endl;
197 
198  bool success = test_matrix_equal(ned_M_flu, ned_M_flu_est);
199  std::cout << "Test enu2ned 2 " << (success ? "succeed" : "failed") << std::endl;
200 
201  CHECK(success);
202  }
203 }
204 
205 TEST_CASE("vpHomogenousMatrix * vpRotationMatrix", "[operator*]")
206 {
207  // Test rotation_matrix * homogeneous_matrix
208  vpHomogeneousMatrix _1_M_2_ {
209  0.9835, -0.0581, 0.1716, 0.0072,
210  -0.0489, -0.9972, -0.0571, 0.0352,
211  0.1744, 0.0478, -0.9835, 0.9470
212  };
213  vpHomogeneousMatrix _2_M_3_truth {
214  0.9835, -0.0581, 0.1716, 0,
215  -0.0489, -0.9972, -0.0571, 0,
216  0.1744, 0.0478, -0.9835, 0
217  };
218 
219  vpRotationMatrix _2_R_3_ = _2_M_3_truth.getRotationMatrix();
220  vpHomogeneousMatrix _1_M_3_(_1_M_2_* _2_R_3_);
221  vpHomogeneousMatrix _1_M_3_truth(_1_M_2_ * _2_M_3_truth);
222  bool success = test_matrix_equal(_1_M_3_, _1_M_3_truth);
223  std::cout << "Test vpHomogeneousMatrix vpHomogeneousMatrix::operator*(vpRotationMatrix) " << (success ? "succeed" : "failed") << std::endl;
224  CHECK(success);
225 }
226 
227 int main(int argc, char *argv[])
228 {
229  Catch::Session session;
230  session.applyCommandLine(argc, argv);
231  int numFailed = session.run();
232  return numFailed;
233 }
234 #else
235 #include <iostream>
236 
237 int main() { return EXIT_SUCCESS; }
238 #endif
Implementation of an homogeneous matrix and operations on such kind of matrices.
vpHomogeneousMatrix inverse() const
static bool equal(double x, double y, double threshold=0.001)
Definition: vpMath.h:459
static vpHomogeneousMatrix enu2ned(const vpHomogeneousMatrix &enu_M)
Definition: vpMath.cpp:776
Implementation of a rotation matrix and operations on such kind of matrices.