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CGAL 4.6.2 - 2D and 3D Linear Geometry Kernel
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Kernel::Angle_3 Concept Reference
Kernel Function Object Concepts

Definition

See Also
CGAL::angle()

Operations

A model of this concept must provide:

Angle operator() (const Kernel::Vector_3 &u, const Kernel::Vector_3 &v)
 returns CGAL::OBTUSE, CGAL::RIGHT or CGAL::ACUTE depending on the angle formed by the two vectors u and v.
 
Angle operator() (const Kernel::Point_3 &p, const Kernel::Point_3 &q, const Kernel::Point_3 &r)
 returns CGAL::OBTUSE, CGAL::RIGHT or CGAL::ACUTE depending on the angle formed by the three points p, q, r (q being the vertex of the angle). More...
 
Angle operator() (const Kernel::Point_3 &p, const Kernel::Point_3 &q, const Kernel::Point_3 &r, const Kernel::Point_3 &s)
 returns CGAL::OBTUSE, CGAL::RIGHT or CGAL::ACUTE depending on the angle formed by the two vectors pq, rs. More...
 

Member Function Documentation

Angle Kernel::Angle_3::operator() ( const Kernel::Point_3 &  p,
const Kernel::Point_3 &  q,
const Kernel::Point_3 &  r 
)

returns CGAL::OBTUSE, CGAL::RIGHT or CGAL::ACUTE depending on the angle formed by the three points p, q, r (q being the vertex of the angle).

The returned value is the same as operator()(p - q, r - q).

Angle Kernel::Angle_3::operator() ( const Kernel::Point_3 &  p,
const Kernel::Point_3 &  q,
const Kernel::Point_3 &  r,
const Kernel::Point_3 &  s 
)

returns CGAL::OBTUSE, CGAL::RIGHT or CGAL::ACUTE depending on the angle formed by the two vectors pq, rs.

The returned value is the same as operator()(q - p, s - r).