CGAL 6.0.1 - 2D Boolean Operations on Nef Polygons
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Nef_2/nef_2_construction.cpp
#include <CGAL/Filtered_extended_homogeneous.h>
#include <CGAL/Nef_polyhedron_2.h>
#include <cassert>
typedef Nef_polyhedron::Point Point;
typedef Nef_polyhedron::Line Line;
int main() {
Nef_polyhedron N1(Nef_polyhedron::COMPLETE);
Line l(2,4,2); // l : 2x + 4y + 2 = 0
Nef_polyhedron N2(l,Nef_polyhedron::INCLUDED);
Nef_polyhedron N3 = N2.complement();
assert(N1 == N2.join(N3));
Point p1(0,0), p2(10,10), p3(-20,15);
Point triangle[3] = { p1, p2, p3 };
Nef_polyhedron N4(triangle, triangle+3);
Nef_polyhedron N5 = N2.intersection(N4);
assert(N5 <= N2 && N5 <= N4);
return 0;
}
The class Filtered_extended_homogeneous serves as a traits class for the class Nef_polyhedron_2<T>.
Definition: Filtered_extended_homogeneous.h:20
An instance of data type Nef_polyhedron_2<T> is a subset of the plane that is the result of forming c...
Definition: Nef_polyhedron_2.h:92