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CGAL 4.4 - 3D Polyhedral Surface
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PolyhedronItems_3::Face Concept Reference

Definition

The PolyhedronItems_3::Face concept refines the HalfedgeDSItems::Face concept. This concept adds the requirement for the support of the geometry.

Refines:
HalfedgeDSItems::Face

Types in PolyhedronItems_3::Vertex_wrapper<Refs,Traits>::Face

Types for (optionally) associated geometry in faces.

If it is not supported the respective type has to be defined, although it can be an arbitrary dummy type, such as void* or Tag_false.

typedef unspecified_type Plane
 plane type stored in faces. More...
 
typedef unspecified_type Supports_face_plane
 either CGAL::Tag_true or CGAL::Tag_false. More...
 

Only required when Supports_face_plane == Tag_true

Plane & plane ()
 
const Plane & plane () const
 

Member Typedef Documentation

typedef unspecified_type PolyhedronItems_3::Face::Plane

plane type stored in faces.

A HalfedgeDS has no dimension, so this type is named Plane and not Plane_3.

typedef unspecified_type PolyhedronItems_3::Face::Supports_face_plane

either CGAL::Tag_true or CGAL::Tag_false.

Member Function Documentation

Plane& PolyhedronItems_3::Face::plane ( )
const Plane& PolyhedronItems_3::Face::plane ( ) const