Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

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perimeter

Calculates the perimeter of a geometry.

Description

The function perimeter returns the perimeter of a geometry, using the default distance-calculation-strategy

Synopsis

template<typename Geometry>
default_length_result<Geometry>::type perimeter(Geometry const & geometry)

Parameters

Type

Concept

Name

Description

Geometry const &

Any type fulfilling a Geometry Concept

geometry

A model of the specified concept

Returns

The calculated perimeter

Header

Either

#include <boost/geometry/geometry.hpp>

Or

#include <boost/geometry/algorithms/perimeter.hpp>

Behavior

Case

Behavior

pointlike (e.g. point)

Returns zero

linear (e.g. linestring)

Returns zero

areal (e.g. polygon)

Returns the perimeter

Complexity

Linear


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