CGAL 6.1 - 3D Alpha Shapes

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AlphaShapeVertex_3 Concept Reference
Reference Manual » Concepts

## Definition

The concept `AlphaShapeVertex_3` describes the requirements for the base vertex of an alpha shape.

Refines
  `TriangulationVertexBase_3` if the underlying triangulation of the alpha shape is a Delaunay triangulation. RegularTriangulationVertexBase_3 if the underlying triangulation of the alpha shape is a regular triangulation. Periodic_3TriangulationDSVertexBase_3 if the underlying triangulation of the alpha shape is a periodic triangulation

Has models
  `CGAL::Alpha_shape_vertex_base_3` (templated with the appropriate triangulation vertex base class)

See also
  `CGAL::Alpha_status`

## Types
typedef unspecified_type | Point
| Must be the same as the point type provided by the geometric traits class of the triangulation.
typedef unspecified_type | Alpha_status
| Must be `CGAL::Alpha_status<NT>` where `NT` is the number type used in the geometric traits class of the triangulation.

## Creation
| AlphaShapeVertex_3 ()
| default constructor.
| AlphaShapeVertex_3 (Point p)
| constructor setting the point.
| AlphaShapeVertex_3 (Point p, const Cell_handle &c)
| constructor setting the point and an incident cell.

## Modifiers
Alpha_status * | get_alpha_status ()
| Returns a pointer the alpha status of the vertex.