[/============================================================================
  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_line_interpolate_geographic strategy::line_interpolate::geographic]

'''<indexterm><primary>strategy</primary></indexterm><indexterm><primary>line_interpolate</primary></indexterm><indexterm><primary>geographic</primary></indexterm>'''
Interpolate point on a geographic segment. 

[heading Synopsis]
``template<typename FormulaPolicy, typename Spheroid, typename CalculationType>
class strategy::line_interpolate::geographic
{
  // ...
};
``

[heading Template parameter(s)]
[table
[[Parameter] [Default] [Description]]
[[typename FormulaPolicy] [strategy::andoyer] [The geodesic formulas used internally. ]]
[[typename Spheroid] [srs::spheroid<double>] [The spheroid model. ]]
[[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 Constructor(s)]
[table
[[Function] [Description] [Parameters] ]
[[``geographic()``

] [] [

]]
[[``geographic(Spheroid const & spheroid)``

] [] [[* Spheroid const &]: ['spheroid]:  



]]
]

[heading Member Function(s)]
[table
[[Function] [Description] [Parameters]  [Returns]]
[[``distance_pp_strategy::type get_distance_pp_strategy()``

] [] [

][

]
]
[[``template<typename Point, typename Fraction, typename Distance>
void apply(Point const & p0, Point const & p1, Fraction const & fraction,
           Point & p, Distance const & distance)``

] [] [[* Point const &]: ['p0]:  

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

[* Fraction const &]: ['fraction]:  

[* Point &]: ['p]:  

[* Distance const &]: ['distance]:  



][

]
]
]

[heading Header]
`#include <boost/geometry/strategies/geographic/line_interpolate.hpp>`

[heading See also]
* [link geometry.reference.algorithms.line_interpolate.line_interpolate_4_with_strategy line_interpolate (with strategy)]
* [link geometry.reference.srs.srs_spheroid srs::spheroid]

[endsect]