235         cv::RNG rng;  in main()  local
239             warpGround = (Mat_<float>(2,3) << 1, 0, (rng.uniform(10.f, 20.f)),  in main()
240                 0, 1, (rng.uniform(10.f, 20.f)));  in main()
245             angle = CV_PI/30 + CV_PI*rng.uniform((double)-2.f, (double)2.f)/180;  in main()
247             warpGround = (Mat_<float>(2,3) << cos(angle), -sin(angle), (rng.uniform(10.f, 20.f)),  in main()
248                 sin(angle), cos(angle), (rng.uniform(10.f, 20.f)));  in main()
254             warpGround = (Mat_<float>(2,3) << (1-rng.uniform(-0.05f, 0.05f)),  in main()
255                 (rng.uniform(-0.03f, 0.03f)), (rng.uniform(10.f, 20.f)),  in main()
256                 (rng.uniform(-0.03f, 0.03f)), (1-rng.uniform(-0.05f, 0.05f)),  in main()
257                 (rng.uniform(10.f, 20.f)));  in main()
262             warpGround = (Mat_<float>(3,3) << (1-rng.uniform(-0.05f, 0.05f)),  in main()
263                 (rng.uniform(-0.03f, 0.03f)), (rng.uniform(10.f, 20.f)),  in main()
264 …            (rng.uniform(-0.03f, 0.03f)), (1-rng.uniform(-0.05f, 0.05f)),(rng.uniform(10.f, 20.f)),  in main()
265                 (rng.uniform(0.0001f, 0.0003f)), (rng.uniform(0.0001f, 0.0003f)), 1.f);  in main()