[/============================================================================
  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_spherical strategy::line_interpolate::spherical]

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

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

[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 DistanceStrategy] [distance::haversine<double, CalculationType>] [The underlying point-point distance strategy]]
]

[heading Constructor(s)]
[table
[[Function] [Description] [Parameters] ]
[[``spherical()``

] [] [

]]
[[``spherical(typename DistanceStrategy::radius_type const & r)``

] [] [[* typename DistanceStrategy::radius_type const &]: ['r]:  



]]
[[``spherical(DistanceStrategy const & s)``

] [] [[* DistanceStrategy const &]: ['s]:  



]]
]

[heading Member Function(s)]
[table
[[Function] [Description] [Parameters]  [Returns]]
[[``template<typename Point, typename Fraction, typename Distance>
void apply(Point const & p0, Point const & p1, Fraction const & fraction,
           Point & p, Distance const & )``

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

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

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

[* Point &]: ['p]:  

[* Distance const &]: [']:  



][

]
]
[[``radius_type radius()``

] [] [

][

]
]
]

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

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

[endsect]

