\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)
CGAL 4.4 - 3D Alpha Shapes
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FixedWeightedAlphaShapeTraits_3 Concept Reference
Concepts

Definition

The concept FixedWeightedAlphaShapeTraits_3 describes the requirements for the geometric traits class of the underlying Regular triangulation of a weighted alpha shape with fixed alpha value.

Refines:
RegularTriangulationTraits_3

In addition to the requirements described in the concept RegularTriangulationTraits_3, the geometric traits class of a Regular triangulation plugged in a weighted alpha shape with fixed alpha value provides the following.

Has Models:
CGAL::Regular_triangulation_euclidean_traits_3<K>

Types

typedef unspecified_type Comparison_result
 CGAL::Comparison_result or Uncertain<CGAL::Comparison_result> More...
 
typedef unspecified_type Compare_weighted_squared_radius_3
 An object constructor able to compare the squared radius of the smallest sphere orthogonal to either four, three, two or one weighted point(s) to a given value of alpha. More...
 

Creation

 FixedWeightedAlphaShapeTraits_3 ()
 default constructor. More...
 

Access Functions

Compare_weighted_squared_radius_3 compare_weighted_squared_radius_3_object ()
 

Member Typedef Documentation

typedef unspecified_type FixedWeightedAlphaShapeTraits_3::Compare_weighted_squared_radius_3

An object constructor able to compare the squared radius of the smallest sphere orthogonal to either four, three, two or one weighted point(s) to a given value of alpha.

It provides:

  • Comparison_result operator()(Weighted_point_3 ,Weighted_point_3 ,Weighted_point_3 ,Weighted_point_3 )
  • Comparison_result operator()(Weighted_point_3 ,Weighted_point_3 ,Weighted_point_3 )
  • Comparison_result operator()(Weighted_point_3 ,Weighted_point_3 )
  • Comparison_result operator()(Weighted_point_3 )
typedef unspecified_type FixedWeightedAlphaShapeTraits_3::Comparison_result

CGAL::Comparison_result or Uncertain<CGAL::Comparison_result>

Constructor & Destructor Documentation

FixedWeightedAlphaShapeTraits_3::FixedWeightedAlphaShapeTraits_3 ( )

default constructor.

Member Function Documentation

Compare_weighted_squared_radius_3 FixedWeightedAlphaShapeTraits_3::compare_weighted_squared_radius_3_object ( )