[/============================================================================
  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_distance_projected_point strategy::distance::projected_point]

'''<indexterm><primary>strategy</primary></indexterm><indexterm><primary>distance</primary></indexterm><indexterm><primary>projected_point</primary></indexterm>'''
Strategy for distance point to segment. 

[heading Description]
Calculates distance using projected-point method, and (optionally) Pythagoras 

[heading Synopsis]
``template<typename CalculationType, typename Strategy>
class strategy::distance::projected_point
{
  // ...
};
``

[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 ]]
[[typename Strategy] [pythagoras<CalculationType>] [underlying point-point distance strategy ]]
]

[heading Member Function(s)]
[table
[[Function] [Description] [Parameters]  [Returns]]
[[``template<typename Point, typename PointOfSegment>
calculation_type< Point, PointOfSegment >::type apply(Point const & p, PointOfSegment const & p1, PointOfSegment const & p2)``

] [] [[* Point const &]: ['p]:  

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

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



][

]
]
[[``template<typename CT>
CT vertical_or_meridian(CT const & lat1, CT const & lat2)``

] [] [[* CT const &]: ['lat1]:  

[* CT const &]: ['lat2]:  



][

]
]
]

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

[heading See also]
[link geometry.reference.algorithms.distance.distance_3_with_strategy distance (with strategy)]

[endsect]

