CGAL 6.0 - Shape Regularization
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Shape_regularization/regularize_closed_contour.cpp
#include "include/utils.h"
#include "include/Saver.h"
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
// Typedefs.
using FT = typename Kernel::FT;
using Point_2 = typename Kernel::Point_2;
using Contour = std::vector<Point_2>;
using Contour_directions =
int main(int argc, char *argv[]) {
// If we want to load a different file, we load it from a path.
std::string path = "data/contour.polylines";
if (argc > 1) path = argv[1];
Saver<Kernel> saver;
// Set parameters.
const FT min_length_2 = FT(2);
const FT max_angle_2 = FT(20);
const FT max_offset_2 = FT(2);
// Initialize contour.
std::vector<Point_2> contour;
initialize_contour(path, contour);
// Save input contour.
if (argc > 2) {
const std::string full_path = std::string(argv[2]) + "regularize_closed_contour_before";
saver.export_eps_closed_contour(contour, full_path, FT(8));
}
// Regularize.
const bool is_closed = true;
Contour_directions directions(
contour, is_closed, CGAL::parameters::
minimum_length(min_length_2).maximum_angle(max_angle_2));
std::vector<Point_2> regularized;
contour, directions, std::back_inserter(regularized),
CGAL::parameters::maximum_offset(max_offset_2));
std::cout << "* number of directions = " <<
directions.number_of_directions() << std::endl;
// Save regularized contour.
if (argc > 2) {
const std::string full_path = std::string(argv[2]) + "regularize_closed_contour_after";
saver.export_eps_closed_contour(regularized, full_path, FT(8));
}
}
Estimates possibly multiple principal directions of the contour based on the user-specified minimum l...
Definition: Multiple_directions_2.h:57
OutIterator regularize_closed_contour(const InputRange &input_range, const ContDirections &directions, OutIterator contour, const NamedParameters &np=parameters::default_values())
regularizes closed contours.
Definition: regularize_contours.h:119
This header includes all classes for regularizing contours.