CGAL 6.1 - 2D Convex Hulls and Extreme Points

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CGAL::Convex_hull_traits_2< R > Class Template Reference
Reference Manual » Traits Classes

`#include <CGAL/convex_hull_traits_2.h>`

## Definition

template<typename R>
class CGAL::Convex_hull_traits_2< R >

The class `Convex_hull_traits_2` serves as a traits class for all the two-dimensional convex hull and extreme point calculation function.

This class corresponds to the default traits class for these functions.

Is model of
  `ConvexHullTraits_2`

See also
  `CGAL::Convex_hull_constructive_traits_2<R>`
  `CGAL::Convex_hull_traits_adapter_2<R,P>`
  `CGAL::Projection_traits_xy_3<K>`
  `CGAL::Projection_traits_yz_3<K>`
  `CGAL::Projection_traits_xz_3<K>`

## Types
typedef R::Point_2 | Point_2
typedef R::Less_xy | Less_xy_2
typedef R::Less_yx | Less_yx_2
typedef R::Compare_signed_distance_to_line_2 | Compare_signed_distance_to_line_2
typedef R::Less_rotate_ccw_2 | Less_rotate_ccw_2
typedef R::Left_turn_2 | Left_turn_2
typedef R::Equal_2 | Equal_2
typedef R::Orientation_2 | Orientation_2

## Creation
| Convex_hull_traits_2 (Convex_hull_traits_2 &t)
| copy constructor.

## Operations
Less_xy_2 | less_xy_2_object ()
Less_yx_2 | less_yx_2_object ()
Compare_signed_distance_to_line_2 | compare_signed_distance_to_line_2_object ()
Less_rotate_ccw_2 | less_rotate_ccw_2_object ()
Left_turn_2 | left_turn_2_object ()
Equal_2 | equal_2_object ()
Orientation_2 | orientation_2_object ()