#include #include #include TEST_CASE("Curves: constant kernel fitting", "[Curves]") { using namespace Slic3r; using namespace Slic3r::Geometry; std::vector> points { Vec<1, float> { 0 }, Vec<1, float> { 2 }, Vec<1, float> { 7 } }; size_t number_of_segments = 2; float normalized_kernel_bandwidth = 1.0f; auto kernel = CurveSmoothingKernels::ConstantKernel { }; auto curve = fit_curve(points, number_of_segments, normalized_kernel_bandwidth, kernel); REQUIRE(curve.length == Approx(7.0f)); REQUIRE(curve.coefficients[0].size() == number_of_segments); REQUIRE(curve.coefficients[0][0] == Approx(1.0f)); REQUIRE(curve.coefficients[0][1] == Approx(7.0f)); REQUIRE(curve.get_fitted_point(0.33)[0] == Approx(1.0f)); } TEST_CASE("Curves: constant kernel fitting 2", "[Curves]") { using namespace Slic3r; using namespace Slic3r::Geometry; std::vector> points { Vec<1, float> { 0 }, Vec<1, float> { 2 }, Vec<1, float> { 2 }, Vec<1, float> { 4 } }; size_t number_of_segments = 2; float normalized_kernel_bandwidth = 2.0f; auto kernel = CurveSmoothingKernels::ConstantKernel { }; auto curve = fit_curve(points, number_of_segments, normalized_kernel_bandwidth, kernel); REQUIRE(curve.length == Approx(4.0f)); REQUIRE(curve.coefficients[0].size() == number_of_segments); REQUIRE(curve.get_fitted_point(0.33)[0] == Approx(2.0f)); } TEST_CASE("Curves: 2D constant kernel fitting", "[Curves]") { using namespace Slic3r; using namespace Slic3r::Geometry; std::vector points { Vec2f { 0, 0 }, Vec2f { 2, 1 }, Vec2f { 4, 2 }, Vec2f { 6, 3 } }; size_t number_of_segments = 4; float normalized_kernel_bandwidth = 0.49f; auto kernel = CurveSmoothingKernels::ConstantKernel { }; auto curve = fit_curve(points, number_of_segments, normalized_kernel_bandwidth, kernel); REQUIRE(curve.length == Approx(sqrt(6 * 6 + 3 * 3))); REQUIRE(curve.coefficients.size() == 2); REQUIRE(curve.coefficients[0].size() == number_of_segments); REQUIRE(curve.coefficients[0][0] == Approx(0.0f)); REQUIRE(curve.coefficients[0][1] == Approx(2.0f)); REQUIRE(curve.coefficients[0][2] == Approx(4.0f)); REQUIRE(curve.coefficients[0][3] == Approx(6.0f)); REQUIRE(curve.coefficients[1][0] == Approx(0.0f)); REQUIRE(curve.coefficients[1][1] == Approx(1.0f)); REQUIRE(curve.coefficients[1][2] == Approx(2.0f)); REQUIRE(curve.coefficients[1][3] == Approx(3.0f)); }