CGAL 6.1 - 2D Arrangements

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AosVerticalSideTraits_2 Concept Reference
Reference Manual » Concepts » Geometry Traits Concepts

## Definition

`AosVerticalSideTraits_2` is an abstract concept. It generalizes all concepts that handle curves that either reach or approach either the left or right sizeds of the boundary of the parameter space. (An "abstract" concept is a concept that is useless on its own.) Only a combination of this concept and one or more concepts that handle curves that either reach or approach the remaining boundary sides (that is, bottom and top) are purposeful, and can have models.

Refines
  `AosBasicTraits_2`

Has models
  `CGAL::Arr_linear_traits_2<Kernel>`
  `CGAL::Arr_rational_function_traits_2<AlgebraicKernel_d_1>`
  `CGAL::Arr_algebraic_segment_traits_2<Coefficient>`
  `CGAL::Arr_geodesic_arc_on_sphere_traits_2<Kernel, X, Y>`

See also
  `AosVerticalSideTraits_2`

## Functor Types
typedef unspecified_type | Parameter_space_in_x_2
| models the concept `AosTraits::ParameterSpaceInX_2`.
typedef unspecified_type | Compare_y_near_boundary_2
| models the concept `AosTraits::CompareYNearBoundary_2`.

## Accessing Functor Objects
Parameter_space_in_x_2 | parameter_space_in_x_2_object () const
Compare_y_near_boundary_2 | compare_y_near_boundary_2_object () const