CGAL::unit_normal()

Functions
CGAL::Vector_3< Kernel >	CGAL::unit_normal (const CGAL::Point_3< Kernel > &p, const CGAL::Point_3< Kernel > &q, const CGAL::Point_3< Kernel > &r)
	computes the unit normal vector for the vectors q-p and r-p.

Function Documentation

unit_normal()

CGAL::Vector_3< Kernel > CGAL::unit_normal	(	const CGAL::Point_3< Kernel > &	p,
		const CGAL::Point_3< Kernel > &	q,
		const CGAL::Point_3< Kernel > &	r
	)

#include <CGAL/Kernel/global_functions.h>

computes the unit normal vector for the vectors q-p and r-p.

Precondition

The points p, q, and r must not be collinear.