ceph/src/boost/boost/geometry/strategies/geographic/envelope.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands.
   4 // Copyright (c) 2008-2015 Bruno Lalande, Paris, France.
   5 // Copyright (c) 2009-2015 Mateusz Loskot, London, UK.
   6
   7 // This file was modified by Oracle on 2015, 2016, 2018, 2019.
   8 // Modifications copyright (c) 2015-2019, Oracle and/or its affiliates.
   9
  10 // Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle
  11 // Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
  12 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
  13
  14 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
  15 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
  16
  17 // Distributed under the Boost Software License, Version 1.0.
  18 // (See accompanying file LICENSE_1_0.txt or copy at
  19 // http://www.boost.org/LICENSE_1_0.txt)
  20
  21 #ifndef BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_ENVELOPE_HPP
  22 #define BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_ENVELOPE_HPP
  23
  24 #include <boost/geometry/srs/spheroid.hpp>
  25
  26 #include <boost/geometry/strategies/geographic/envelope_segment.hpp>
  27 #include <boost/geometry/strategies/geographic/expand_segment.hpp>
  28 #include <boost/geometry/strategies/geographic/parameters.hpp>
  29 #include <boost/geometry/strategies/spherical/envelope.hpp>
  30
  31 namespace boost { namespace geometry
  32 {
  33
  34 namespace strategy { namespace envelope
  35 {
  36
  37
  38 template
  39 <
  40     typename FormulaPolicy = strategy::andoyer,
  41     typename Spheroid = geometry::srs::spheroid<double>,
  42     typename CalculationType = void
  43 >
  44 class geographic
  45     : public spherical<CalculationType>
  46 {
  47 public:
  48     typedef geographic_tag cs_tag;
  49
  50     typedef Spheroid model_type;
  51
  52     inline geographic()
  53         : m_spheroid()
  54     {}
  55
  56     explicit inline geographic(Spheroid const& spheroid)
  57         : m_spheroid(spheroid)
  58     {}
  59
  60     typedef geographic_segment
  61         <
  62             FormulaPolicy, Spheroid, CalculationType
  63         > element_envelope_strategy_type;
  64     inline element_envelope_strategy_type get_element_envelope_strategy() const
  65     {
  66         return element_envelope_strategy_type(m_spheroid);
  67     }
  68
  69     typedef expand::geographic_segment
  70         <
  71             FormulaPolicy, Spheroid, CalculationType
  72         > element_expand_strategy_type;
  73     inline element_expand_strategy_type get_element_expand_strategy() const
  74     {
  75         return element_expand_strategy_type(m_spheroid);
  76     }
  77
  78     template <typename Point1, typename Point2, typename Box>
  79     inline void apply(Point1 const& point1, Point2 const& point2, Box& box) const
  80     {
  81         geographic_segment
  82             <
  83                 FormulaPolicy,
  84                 Spheroid,
  85                 CalculationType
  86             >(m_spheroid).apply(point1, point2, box);
  87     }
  88
  89 private:
  90     Spheroid m_spheroid;
  91 };
  92
  93 #ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
  94
  95 namespace services
  96 {
  97
  98 template <typename Tag, typename CalculationType>
  99 struct default_strategy<Tag, geographic_tag, CalculationType>
 100 {
 101     typedef strategy::envelope::geographic
 102         <
 103             strategy::andoyer,
 104             geometry::srs::spheroid<double>,
 105             CalculationType
 106         > type;
 107 };
 108
 109 }
 110
 111 #endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
 112
 113
 114 }} // namespace strategy::envelope
 115
 116 }} //namepsace boost::geometry
 117
 118 #endif // BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_ENVELOPE_HPP