gins8.hpp 5.0 KB

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  1. // Boost.Geometry - gis-projections (based on PROJ4)
  2. // Copyright (c) 2008-2015 Barend Gehrels, Amsterdam, the Netherlands.
  3. // This file was modified by Oracle on 2017, 2018, 2019.
  4. // Modifications copyright (c) 2017-2019, Oracle and/or its affiliates.
  5. // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle.
  6. // Use, modification and distribution is subject to the Boost Software License,
  7. // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  8. // http://www.boost.org/LICENSE_1_0.txt)
  9. // This file is converted from PROJ4, http://trac.osgeo.org/proj
  10. // PROJ4 is originally written by Gerald Evenden (then of the USGS)
  11. // PROJ4 is maintained by Frank Warmerdam
  12. // PROJ4 is converted to Boost.Geometry by Barend Gehrels
  13. // Last updated version of proj: 5.0.0
  14. // Original copyright notice:
  15. // Permission is hereby granted, free of charge, to any person obtaining a
  16. // copy of this software and associated documentation files (the "Software"),
  17. // to deal in the Software without restriction, including without limitation
  18. // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  19. // and/or sell copies of the Software, and to permit persons to whom the
  20. // Software is furnished to do so, subject to the following conditions:
  21. // The above copyright notice and this permission notice shall be included
  22. // in all copies or substantial portions of the Software.
  23. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  24. // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  25. // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  26. // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  27. // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  28. // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  29. // DEALINGS IN THE SOFTWARE.
  30. #ifndef BOOST_GEOMETRY_PROJECTIONS_GINS8_HPP
  31. #define BOOST_GEOMETRY_PROJECTIONS_GINS8_HPP
  32. #include <boost/geometry/srs/projections/impl/base_static.hpp>
  33. #include <boost/geometry/srs/projections/impl/base_dynamic.hpp>
  34. #include <boost/geometry/srs/projections/impl/projects.hpp>
  35. #include <boost/geometry/srs/projections/impl/factory_entry.hpp>
  36. namespace boost { namespace geometry
  37. {
  38. namespace projections
  39. {
  40. #ifndef DOXYGEN_NO_DETAIL
  41. namespace detail { namespace gins8
  42. {
  43. static const double Cl = 0.000952426;
  44. static const double Cp = 0.162388;
  45. //static const double C12 = 0.08333333333333333;
  46. template <typename T>
  47. inline T C12() { return 0.083333333333333333333333333333333333; }
  48. template <typename T, typename Parameters>
  49. struct base_gins8_spheroid
  50. {
  51. // FORWARD(s_forward) spheroid
  52. // Project coordinates from geographic (lon, lat) to cartesian (x, y)
  53. inline void fwd(Parameters const& , T const& lp_lon, T const& lp_lat, T& xy_x, T& xy_y) const
  54. {
  55. static const T C12 = gins8::C12<T>();
  56. T t = lp_lat * lp_lat;
  57. xy_y = lp_lat * (1. + t * C12);
  58. xy_x = lp_lon * (1. - Cp * t);
  59. t = lp_lon * lp_lon;
  60. xy_x *= (0.87 - Cl * t * t);
  61. }
  62. static inline std::string get_name()
  63. {
  64. return "gins8_spheroid";
  65. }
  66. };
  67. // Ginsburg VIII (TsNIIGAiK)
  68. template <typename Parameters>
  69. inline void setup_gins8(Parameters& par)
  70. {
  71. par.es = 0.;
  72. }
  73. }} // namespace detail::gins8
  74. #endif // doxygen
  75. /*!
  76. \brief Ginsburg VIII (TsNIIGAiK) projection
  77. \ingroup projections
  78. \tparam Geographic latlong point type
  79. \tparam Cartesian xy point type
  80. \tparam Parameters parameter type
  81. \par Projection characteristics
  82. - Pseudocylindrical
  83. - Spheroid
  84. - no inverse
  85. \par Example
  86. \image html ex_gins8.gif
  87. */
  88. template <typename T, typename Parameters>
  89. struct gins8_spheroid : public detail::gins8::base_gins8_spheroid<T, Parameters>
  90. {
  91. template <typename Params>
  92. inline gins8_spheroid(Params const& , Parameters & par)
  93. {
  94. detail::gins8::setup_gins8(par);
  95. }
  96. };
  97. #ifndef DOXYGEN_NO_DETAIL
  98. namespace detail
  99. {
  100. // Static projection
  101. BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_F(srs::spar::proj_gins8, gins8_spheroid)
  102. // Factory entry(s)
  103. BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_F(gins8_entry, gins8_spheroid)
  104. BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_BEGIN(gins8_init)
  105. {
  106. BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(gins8, gins8_entry);
  107. }
  108. } // namespace detail
  109. #endif // doxygen
  110. } // namespace projections
  111. }} // namespace boost::geometry
  112. #endif // BOOST_GEOMETRY_PROJECTIONS_GINS8_HPP