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add functor to compute the intersection of 3 independant planes

This commit is contained in:
Sébastien Loriot 2023-07-06 15:39:08 +02:00
parent b86a1fed32
commit a8a3d8ab36
2 changed files with 38 additions and 0 deletions
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36
Kernel_23/include/CGAL/Kernel/function_objects.h
View File

@ -2192,6 +2192,42 @@ namespace CommonKernelFunctors {
} }
}; };
template <typename K>
class Construct_planes_intersection_point_3
{
typedef typename K::Plane_3 Plane;
typedef typename K::Point_3 Point;
typename K::Construct_plane_3 construct_plane;
public:
typedef Point result_type;
Point
operator()(const Point& p1, const Point& q1, const Point& r1,
const Point& p2, const Point& q2, const Point& r2,
const Point& p3, const Point& q3, const Point& r3) const
{
Plane plane1 = construct_plane(p1, q1, r1);
Plane plane2 = construct_plane(p2, q2, r2);
Plane plane3 = construct_plane(p3, q3, r3);
const auto res = typename K::Intersect_3()(plane1, plane2, plane3);
CGAL_assertion(res!=boost::none);
const Point* e_pt = boost::get<Point>(&(*res));
CGAL_assertion(e_pt!=nullptr);
return *e_pt;
}
Point
operator()(const Plane& plane1, const Plane& plane2, const Plane& plane3) const
{
const auto res = typename K::Intersect_3()(plane1, plane2, plane3);
CGAL_assertion(res!=boost::none);
const Point* e_pt = boost::get<Point>(&(*res));
CGAL_assertion(e_pt!=nullptr);
return *e_pt;
}
};
template <typename K> template <typename K>
class Compute_alpha_for_coplanar_triangle_intersection_3 class Compute_alpha_for_coplanar_triangle_intersection_3
{ {

2
Kernel_23/include/CGAL/Kernel/interface_macros.h
View File

@ -398,6 +398,8 @@ CGAL_Kernel_cons(Construct_plane_3,
construct_plane_3_object) construct_plane_3_object)
CGAL_Kernel_cons(Construct_plane_line_intersection_point_3, CGAL_Kernel_cons(Construct_plane_line_intersection_point_3,
construct_plane_line_intersection_point_3_object) construct_plane_line_intersection_point_3_object)
CGAL_Kernel_cons(Construct_planes_intersection_point_3,
construct_planes_intersection_point_3_object)
CGAL_Kernel_cons(Compute_alpha_for_coplanar_triangle_intersection_3, CGAL_Kernel_cons(Compute_alpha_for_coplanar_triangle_intersection_3,
compute_alpha_for_coplanar_triangle_intersection_3_object) compute_alpha_for_coplanar_triangle_intersection_3_object)
CGAL_Kernel_cons(Construct_point_on_2, CGAL_Kernel_cons(Construct_point_on_2,