cgal/Shape_regularization/test/Shape_regularization/test_equal_contours.cpp

66 lines
2.3 KiB
C++

#include "include/Saver.h"
#include <CGAL/Simple_cartesian.h>
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
#include <CGAL/Shape_regularization/regularize_contours.h>
namespace SR = CGAL::Shape_regularization;
template<class Traits>
void test_equal_contours() {
using FT = typename Traits::FT;
using Point_2 = typename Traits::Point_2;
using Contour = std::vector<Point_2>;
using Saver = SR::Tests::Saver<Traits>;
using Point_map = CGAL::Identity_property_map<Point_2>;
using CD = SR::Contours::Longest_direction_2<Traits, Contour, Point_map>;
using OD = SR::Contours::Longest_direction_2<Traits, Contour, Point_map>;
Saver saver;
Point_map pmap;
const Contour contour = {
Point_2(0, 0), Point_2( FT(5) / FT(10), -FT(1) / FT(20)),
Point_2(1, 0), Point_2(FT(105) / FT(100), FT(5) / FT(10)),
Point_2(1, 1), Point_2(0, 1)
};
assert(contour.size() == 6);
// saver.export_closed_contour(contour, "cl_input", 100);
// saver.export_open_contour(contour, "op_input", 100);
const bool is_closed = true;
CD closed_directions(contour, is_closed, CGAL::parameters::point_map(pmap));
OD open_directions(contour, !is_closed, CGAL::parameters::point_map(pmap));
std::vector<Point_2> closed_contour;
SR::Contours::regularize_closed_contour(
contour, closed_directions, std::back_inserter(closed_contour),
CGAL::parameters::point_map(pmap));
std::vector<Point_2> open_contour;
SR::Contours::regularize_open_contour(
contour, open_directions, std::back_inserter(open_contour),
CGAL::parameters::point_map(pmap));
assert(closed_contour.size() == 4);
assert(closed_contour.size() == open_contour.size());
for (std::size_t i = 1; i < closed_contour.size(); ++i) {
const auto& p = closed_contour[i];
const auto& q = open_contour[i];
const FT sq_dist = CGAL::squared_distance(p, q);
assert(sq_dist <= FT(1) / FT(100000));
}
}
int main() {
test_equal_contours< CGAL::Simple_cartesian<double> >();
test_equal_contours< CGAL::Exact_predicates_inexact_constructions_kernel >();
test_equal_contours< CGAL::Exact_predicates_exact_constructions_kernel >();
std::cout << "test_equal_contours: SUCCESS" << std::endl;
return EXIT_SUCCESS;
}