disjoint_segment_box.hpp 4.2 KB

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  1. // Boost.Geometry
  2. // Copyright (c) 2017-2018 Oracle and/or its affiliates.
  3. // Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle
  4. // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
  5. // Use, modification and distribution is subject to the Boost Software License,
  6. // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  7. // http://www.boost.org/LICENSE_1_0.txt)
  8. #ifndef BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_DISJOINT_SEGMENT_BOX_HPP
  9. #define BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_DISJOINT_SEGMENT_BOX_HPP
  10. #include <cstddef>
  11. #include <utility>
  12. #include <boost/numeric/conversion/cast.hpp>
  13. #include <boost/geometry/util/math.hpp>
  14. #include <boost/geometry/util/calculation_type.hpp>
  15. #include <boost/geometry/core/access.hpp>
  16. #include <boost/geometry/core/tags.hpp>
  17. #include <boost/geometry/core/coordinate_dimension.hpp>
  18. #include <boost/geometry/core/point_type.hpp>
  19. #include <boost/geometry/algorithms/detail/assign_indexed_point.hpp>
  20. #include <boost/geometry/algorithms/detail/disjoint/segment_box.hpp>
  21. #include <boost/geometry/srs/spheroid.hpp>
  22. #include <boost/geometry/strategies/disjoint.hpp>
  23. #include <boost/geometry/strategies/geographic/azimuth.hpp>
  24. #include <boost/geometry/strategies/geographic/parameters.hpp>
  25. #include <boost/geometry/strategies/normalize.hpp>
  26. #include <boost/geometry/strategies/cartesian/point_in_box.hpp>
  27. #include <boost/geometry/strategies/spherical/disjoint_box_box.hpp>
  28. namespace boost { namespace geometry { namespace strategy { namespace disjoint
  29. {
  30. // NOTE: This may be temporary place for this or corresponding strategy
  31. // It seems to be more appropriate to implement the opposite of it
  32. // e.g. intersection::segment_box because in disjoint() algorithm
  33. // other strategies that are used are intersection and covered_by strategies.
  34. template
  35. <
  36. typename FormulaPolicy = strategy::andoyer,
  37. typename Spheroid = srs::spheroid<double>,
  38. typename CalculationType = void
  39. >
  40. struct segment_box_geographic
  41. {
  42. public:
  43. typedef Spheroid model_type;
  44. inline segment_box_geographic()
  45. : m_spheroid()
  46. {}
  47. explicit inline segment_box_geographic(Spheroid const& spheroid)
  48. : m_spheroid(spheroid)
  49. {}
  50. template <typename Segment, typename Box>
  51. struct point_in_geometry_strategy
  52. : services::default_strategy
  53. <
  54. typename point_type<Segment>::type,
  55. Box
  56. >
  57. {};
  58. template <typename Segment, typename Box>
  59. static inline typename point_in_geometry_strategy<Segment, Box>::type
  60. get_point_in_geometry_strategy()
  61. {
  62. typedef typename point_in_geometry_strategy<Segment, Box>::type strategy_type;
  63. return strategy_type();
  64. }
  65. template <typename Segment, typename Box>
  66. inline bool apply(Segment const& segment, Box const& box) const
  67. {
  68. geometry::strategy::azimuth::geographic
  69. <
  70. FormulaPolicy,
  71. Spheroid,
  72. CalculationType
  73. > azimuth_geographic(m_spheroid);
  74. return geometry::detail::disjoint::disjoint_segment_box_sphere_or_spheroid
  75. <
  76. geographic_tag
  77. >::apply(segment, box,
  78. azimuth_geographic,
  79. strategy::normalize::spherical_point(),
  80. strategy::covered_by::spherical_point_box(),
  81. strategy::disjoint::spherical_box_box());
  82. }
  83. private:
  84. Spheroid m_spheroid;
  85. };
  86. #ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
  87. namespace services
  88. {
  89. template <typename Linear, typename Box, typename LinearTag>
  90. struct default_strategy<Linear, Box, LinearTag, box_tag, 1, 2,
  91. geographic_tag, geographic_tag>
  92. {
  93. typedef segment_box_geographic<> type;
  94. };
  95. template <typename Box, typename Linear, typename LinearTag>
  96. struct default_strategy<Box, Linear, box_tag, LinearTag, 2, 1,
  97. geographic_tag, geographic_tag>
  98. {
  99. typedef segment_box_geographic<> type;
  100. };
  101. } // namespace services
  102. #endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
  103. }}}} // namespace boost::geometry::strategy::disjoint
  104. #endif // BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_DISJOINT_SEGMENT_BOX_HPP