[/============================================================================
  Boost.Geometry (aka GGL, Generic Geometry Library)

  Copyright (c) 2007-2013 Barend Gehrels, Amsterdam, the Netherlands.
  Copyright (c) 2008-2013 Bruno Lalande, Paris, France.
  Copyright (c) 2009-2013 Mateusz Loskot, London, UK.

  Use, modification and distribution is subject to the Boost Software License,
  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  http://www.boost.org/LICENSE_1_0.txt)
=============================================================================/]


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[section:perimeter_1 perimeter]

'''<indexterm><primary>perimeter</primary></indexterm>'''
Calculates the perimeter of a geometry. 

[heading Description]
The function perimeter returns the perimeter of a geometry, using the default distance-calculation-strategy 

[heading Synopsis]
``template<typename Geometry>
default_length_result<Geometry>::type perimeter(Geometry const & geometry)``

[heading Parameters]

[table
[[Type] [Concept] [Name] [Description] ]
[[Geometry const &] [Any type fulfilling a Geometry Concept ] [geometry] [A model of the specified concept ]]
]


[heading Returns]
The calculated perimeter

[heading Header]
Either

`#include <boost/geometry.hpp>`


Or

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

[include reference/algorithms/perimeter.qbk]
[heading Example]
[perimeter]
[perimeter_output]


[endsect]

[section:perimeter_2_with_strategy perimeter (with strategy)]

'''<indexterm><primary>perimeter</primary></indexterm>'''
Calculates the perimeter of a geometry using the specified strategy. 

[heading Description]
The function perimeter returns the perimeter of a geometry, using specified strategy 

[heading Synopsis]
``template<typename Geometry, typename Strategy>
default_length_result<Geometry>::type perimeter(Geometry const & geometry, Strategy const & strategy)``

[heading Parameters]

[table
[[Type] [Concept] [Name] [Description] ]
[[Geometry const &] [Any type fulfilling a Geometry Concept ] [geometry] [A model of the specified concept ]]
[[Strategy const &] [Any type fulfilling a distance Strategy Concept ] [strategy] [strategy to be used for distance calculations. ]]
]


[heading Returns]
The calculated perimeter

[heading Header]
Either

`#include <boost/geometry.hpp>`


Or

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

[include reference/algorithms/perimeter.qbk]


[endsect]