cgal/Shape_regularization/test/Shape_regularization/test_directions_multiple_2.cpp

97 lines
3.2 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/Contours/Multiple_directions_2.h>
#include <CGAL/Shape_regularization/regularize_contours.h>
namespace SR = CGAL::Shape_regularization;
template<class Traits>
void test_directions_multiple_2() {
using FT = typename Traits::FT;
using Point_2 = typename Traits::Point_2;
using Direction_2 = typename Traits::Direction_2;
using Contour = std::vector<Point_2>;
using Saver = SR::Tests::Saver<Traits>;
using Point_map = CGAL::Identity_property_map<Point_2>;
using MD = SR::Contours::Multiple_directions_2<Traits, Contour, Point_map>;
Saver saver;
Point_map pmap;
const Contour contour = {
Point_2( 1, 1), Point_2(4, 1),
Point_2( 4, 4), Point_2(7, 1),
Point_2(10, 4), Point_2(7, 7),
Point_2(1, 7)
};
assert(contour.size() == 7);
// saver.export_closed_contour(contour, "dm2_input", 100);
const FT min_length_2 = FT(2);
const FT max_angle_2 = FT(10);
const bool is_closed = true;
MD closed_directions(
contour, is_closed,
CGAL::parameters::
minimum_length(min_length_2).
maximum_angle(max_angle_2).
adjust_directions(false).
point_map(pmap));
MD open_directions(
contour, !is_closed,
CGAL::parameters::
minimum_length(min_length_2).
maximum_angle(max_angle_2).
adjust_directions(false).
point_map(pmap));
const std::size_t num_closed_directions =
closed_directions.number_of_directions();
const std::size_t num_open_directions =
open_directions.number_of_directions();
assert(num_closed_directions == 2);
assert(num_closed_directions == num_open_directions);
const auto& closed_dirs = closed_directions.get_directions();
const auto& open_dirs = open_directions.get_directions();
const auto d = contour[5] - contour[4];
const auto length = static_cast<FT>(
CGAL::sqrt(CGAL::to_double(d.x() * d.x() + d.y() * d.y())));
const std::vector<Direction_2> ref_directions = {
Direction_2(1, 0),
Direction_2(d.x() / length, d.y() / length)
};
// std::vector<Point_2> regularized;
// SR::Contours::regularize_closed_contour(
// contour, closed_directions, std::back_inserter(regularized),
// CGAL::parameters::maximum_offset(2));
// saver.export_closed_contour(regularized, "dm2_output_cl", 100);
// regularized.clear();
// SR::Contours::regularize_open_contour(
// contour, open_directions, std::back_inserter(regularized),
// CGAL::parameters::maximum_offset(2));
// saver.export_open_contour(regularized, "dm2_output_op", 100);
assert(closed_dirs[0] == open_dirs[0]);
assert(closed_dirs[1] == open_dirs[1]);
assert(closed_dirs[0] == ref_directions[0]);
assert(closed_dirs[1] == ref_directions[1]);
}
int main() {
test_directions_multiple_2< CGAL::Simple_cartesian<double> >();
test_directions_multiple_2< CGAL::Exact_predicates_inexact_constructions_kernel >();
test_directions_multiple_2< CGAL::Exact_predicates_exact_constructions_kernel >();
std::cout << "test_directions_multiple_2: SUCCESS" << std::endl;
return EXIT_SUCCESS;
}