[/============================================================================
  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:strategy_buffer_point_circle strategy::buffer::point_circle]

'''<indexterm><primary>strategy</primary></indexterm><indexterm><primary>buffer</primary></indexterm><indexterm><primary>point_circle</primary></indexterm>'''
Create a circular buffer around a point. 

[heading Description]
This strategy can be used as PointStrategy for the buffer algorithm. It creates a circular buffer around a point. It can be applied for points and multi\u005fpoints, but also for a linestring (if it is degenerate, so consisting of only one point) and for polygons (if it is degenerate). This strategy is only applicable for Cartesian coordinate systems.

[heading Synopsis]
``class strategy::buffer::point_circle
{
  // ...
};
``

[heading Constructor(s)]
[table
[[Function] [Description] [Parameters] ]
[[``point_circle(std::size_t count = 90)``

] [Constructs the strategy. ] [[* std::size_t]: ['count]:  number of points for the created circle (if count is smaller than 3, count is internally set to 3) 



]]
]

[heading Header]
`#include <boost/geometry/strategies/cartesian/buffer_point_circle.hpp>`

[heading Example]
[buffer_point_circle]
[heading Output]
[$img/strategies/buffer_point_circle.png]
[heading See also]
* [link geometry.reference.algorithms.buffer.buffer_7_with_strategies buffer (with strategies)]
* [link geometry.reference.strategies.strategy_buffer_point_square point_square]
* [link geometry.reference.strategies.strategy_buffer_geographic_point_circle geographic_point_circle]

[endsect]