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Ring Concept

Description

The Ring Concept describes the requirements for a ring type. All algorithms in Boost.Geometry will check any geometry arguments against the concept requirements.

[Note] Note

Also called linear ring, but we explicitly refer to a filled feature here

Concept Definition

The Ring Concept is defined as following:

Rules

Besides the Concepts, which are checks on compile-time, there are rules that valid rings must fulfill. See the Polygon Concept for more information on the rules a polygon (and also a ring) must fulfill.

Available Models
[Note] Note

See also the sample in the Boost.Range documentation showing how a type can be adapted to a Boost.Range to fulfill the concept of a Ring


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