[/============================================================================
  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_area_cartesian strategy::area::cartesian]

'''<indexterm><primary>strategy</primary></indexterm><indexterm><primary>area</primary></indexterm><indexterm><primary>cartesian</primary></indexterm>'''
Cartesian area calculation. 

[heading Description]
Calculates cartesian area using the trapezoidal rule 

[heading Synopsis]
``template<typename CalculationType>
class strategy::area::cartesian
{
  // ...
};
``

[heading Template parameter(s)]
[table
[[Parameter] [Default] [Description]]
[[typename CalculationType] [void] [numeric type for calculation (e.g. high precision); if [*void] then it is extracted automatically from the coordinate type and (if necessary) promoted to floating point]]
]

[heading Member Function(s)]
[table
[[Function] [Description] [Parameters]  [Returns]]
[[``template<typename PointOfSegment, typename Geometry>
void apply(PointOfSegment const & p1, PointOfSegment const & p2, state< Geometry > & st)``

] [] [[* PointOfSegment const &]: ['p1]:  

[* PointOfSegment const &]: ['p2]:  

[* state< Geometry > &]: ['st]:  



][

]
]
[[``template<typename Geometry>
auto result(state< Geometry > & st)``

] [] [[* state< Geometry > &]: ['st]:  



][

]
]
]

[heading Header]
`#include <boost/geometry/strategy/cartesian/area.hpp>`

[heading See also]
[link geometry.reference.algorithms.area.area_2_with_strategy area (with strategy)]

[endsect]

