\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)
CGAL 4.5.2 - 2D and 3D Linear Geometry Kernel
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Kernel::ConstructVertex_2 Concept Reference

Definition

Operations

A model of this concept must provide:

Kernel::Point_2 operator() (const Kernel::Segment_2 &s, int i)
 returns source or target of s: fo(s,0) returns the source of s, fo(s,1) returns the target of s. More...
 
Kernel::Point_2 operator() (const Kernel::Iso_rectangle_2 &r, int i)
 returns the i'th vertex of r in counterclockwise order, starting with the lower left vertex. More...
 
Kernel::Point_2 operator() (const Kernel::Triangle_2 &t, int i)
 returns the i'th vertex of t. More...
 

Member Function Documentation

Kernel::Point_2 Kernel::ConstructVertex_2::operator() ( const Kernel::Segment_2 s,
int  i 
)

returns source or target of s: fo(s,0) returns the source of s, fo(s,1) returns the target of s.

The parameter i is taken modulo 2.

Kernel::Point_2 Kernel::ConstructVertex_2::operator() ( const Kernel::Iso_rectangle_2 r,
int  i 
)

returns the i'th vertex of r in counterclockwise order, starting with the lower left vertex.

The parameter i is taken modulo 4.

Kernel::Point_2 Kernel::ConstructVertex_2::operator() ( const Kernel::Triangle_2 t,
int  i 
)

returns the i'th vertex of t.

The parameter i is taken modulo 3.