CGAL 5.6 - 2D Arrangements
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Arrangement_on_surface_2/polylines.cpp
// Constructing an arrangement of polylines.
#include <vector>
#include <list>
#include <CGAL/draw_arrangement_2.h>
#include "arr_polylines.h"
#include "arr_print.h"
int main() {
Traits traits;
Arrangement arr(&traits);
auto polyline_construct = traits.construct_curve_2_object();
Point points1[5];
points1[0] = Point(0, 0);
points1[1] = Point(2, 4);
points1[2] = Point(3, 0);
points1[3] = Point(4, 4);
points1[4] = Point(6, 0);
auto pi1 = polyline_construct(&points1[0], &points1[5]);
std::list<Point> points2;
points2.push_back(Point(1, 3));
points2.push_back(Point(0, 2));
points2.push_back(Point(1, 0));
points2.push_back(Point(2, 1));
points2.push_back(Point(3, 0));
points2.push_back(Point(4, 1));
points2.push_back(Point(5, 0));
points2.push_back(Point(6, 2));
points2.push_back(Point(5, 3));
points2.push_back(Point(4, 2));
auto pi2 = polyline_construct(points2.begin(), points2.end());
std::vector<Segment> segs;
segs.push_back(Segment(Point(0, 2), Point(1, 2)));
segs.push_back(Segment(Point(1, 2), Point(3, 6)));
segs.push_back(Segment(Point(3, 6), Point(5, 2)));
auto pi3 = polyline_construct(segs.begin(), segs.end());
insert(arr, pi1);
insert(arr, pi2);
insert(arr, pi3);
print_arrangement_size(arr); // print the arrangement size
CGAL::draw(arr);
return 0;
}
void draw(const PS &aps)