Width_default_traits

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CGAL::Width_default_traits_3<K>

The class Width_default_traits_3<K> is a traits class for Width_3<Traits> using the three-dimensional CGAL kernel.

#include <CGAL/Width_default_traits_3.h>

The template parameter K is a model for Kernel

Width_default_traits_3<K> traits;
	default constructor.

RT	traits.get_hx ( Point_3 p)	returns the homogeneous x-coordinate of point p.
RT	traits.get_hy ( Point_3 p)	returns the homogeneous y-coordinate of point p.
RT	traits.get_hz ( Point_3 p)	returns the homogeneous z-coordinate of point p.
RT	traits.get_hw ( Point_3 p)	returns the homogenizing coordinate of point p.
void	traits.get_point_coordinates ( Point_3 p, RT& px, RT& py, RT& pz, RT& ph)
		returns all homogeneous coordinates of point p at once.

RT	traits.get_a ( Plane_3 f)	returns the first coefficient of plane f.
RT	traits.get_b ( Plane_3 f)	returns the second coefficient of plane f.
RT	traits.get_c ( Plane_3 f)	returns the third coefficient of plane f.
RT	traits.get_d ( Plane_3 f)	returns the fourth coefficient of plane f.
void	traits.get_plane_coefficients ( Plane_3 f, RT& a, RT& b, RT& c, RT& d)
		returns all four plane coefficients of f at once.

Point_3	traits.make_point ( RT hx, RT hy, RT hz, RT hw)
		returns a point of type Point_3 with homogeneous coordinates hx, hy, hz and hw.
Plane_3	traits.make_plane ( RT a, RT b, RT c, RT d)
		returns a plane of type Plane_3 whose coefficients are a, b, c and d.
Vector	traits.make_vector ( RT a, RT b, RT c)
		returns a vector of type Vector_3 with the four coefficients a, b, c and 1.