putp3.hpp 6.9 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.
  4. // Modifications copyright (c) 2017-2018, 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_PUTP3_HPP
  31. #define BOOST_GEOMETRY_PROJECTIONS_PUTP3_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 putp3
  42. {
  43. static const double C = 0.79788456;
  44. static const double RPISQ = 0.1013211836;
  45. template <typename T>
  46. struct par_putp3
  47. {
  48. T A;
  49. };
  50. // template class, using CRTP to implement forward/inverse
  51. template <typename T, typename Parameters>
  52. struct base_putp3_spheroid
  53. : public base_t_fi<base_putp3_spheroid<T, Parameters>, T, Parameters>
  54. {
  55. par_putp3<T> m_proj_parm;
  56. inline base_putp3_spheroid(const Parameters& par)
  57. : base_t_fi<base_putp3_spheroid<T, Parameters>,
  58. T, Parameters>(*this, par) {}
  59. // FORWARD(s_forward) spheroid
  60. // Project coordinates from geographic (lon, lat) to cartesian (x, y)
  61. inline void fwd(T const& lp_lon, T const& lp_lat, T& xy_x, T& xy_y) const
  62. {
  63. xy_x = C * lp_lon * (1. - this->m_proj_parm.A * lp_lat * lp_lat);
  64. xy_y = C * lp_lat;
  65. }
  66. // INVERSE(s_inverse) spheroid
  67. // Project coordinates from cartesian (x, y) to geographic (lon, lat)
  68. inline void inv(T const& xy_x, T const& xy_y, T& lp_lon, T& lp_lat) const
  69. {
  70. lp_lat = xy_y / C;
  71. lp_lon = xy_x / (C * (1. - this->m_proj_parm.A * lp_lat * lp_lat));
  72. }
  73. static inline std::string get_name()
  74. {
  75. return "putp3_spheroid";
  76. }
  77. };
  78. // Putnins P3
  79. template <typename Parameters, typename T>
  80. inline void setup_putp3(Parameters& par, par_putp3<T>& proj_parm)
  81. {
  82. proj_parm.A = 4. * RPISQ;
  83. par.es = 0.;
  84. }
  85. // Putnins P3'
  86. template <typename Parameters, typename T>
  87. inline void setup_putp3p(Parameters& par, par_putp3<T>& proj_parm)
  88. {
  89. proj_parm.A = 2. * RPISQ;
  90. par.es = 0.;
  91. }
  92. }} // namespace detail::putp3
  93. #endif // doxygen
  94. /*!
  95. \brief Putnins P3 projection
  96. \ingroup projections
  97. \tparam Geographic latlong point type
  98. \tparam Cartesian xy point type
  99. \tparam Parameters parameter type
  100. \par Projection characteristics
  101. - Pseudocylindrical
  102. - Spheroid
  103. \par Example
  104. \image html ex_putp3.gif
  105. */
  106. template <typename T, typename Parameters>
  107. struct putp3_spheroid : public detail::putp3::base_putp3_spheroid<T, Parameters>
  108. {
  109. template <typename Params>
  110. inline putp3_spheroid(Params const& , Parameters const& par)
  111. : detail::putp3::base_putp3_spheroid<T, Parameters>(par)
  112. {
  113. detail::putp3::setup_putp3(this->m_par, this->m_proj_parm);
  114. }
  115. };
  116. /*!
  117. \brief Putnins P3' projection
  118. \ingroup projections
  119. \tparam Geographic latlong point type
  120. \tparam Cartesian xy point type
  121. \tparam Parameters parameter type
  122. \par Projection characteristics
  123. - Pseudocylindrical
  124. - Spheroid
  125. \par Example
  126. \image html ex_putp3p.gif
  127. */
  128. template <typename T, typename Parameters>
  129. struct putp3p_spheroid : public detail::putp3::base_putp3_spheroid<T, Parameters>
  130. {
  131. template <typename Params>
  132. inline putp3p_spheroid(Params const& , Parameters const& par)
  133. : detail::putp3::base_putp3_spheroid<T, Parameters>(par)
  134. {
  135. detail::putp3::setup_putp3p(this->m_par, this->m_proj_parm);
  136. }
  137. };
  138. #ifndef DOXYGEN_NO_DETAIL
  139. namespace detail
  140. {
  141. // Static projection
  142. BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::spar::proj_putp3, putp3_spheroid, putp3_spheroid)
  143. BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::spar::proj_putp3p, putp3p_spheroid, putp3p_spheroid)
  144. // Factory entry(s)
  145. BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI(putp3_entry, putp3_spheroid)
  146. BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI(putp3p_entry, putp3p_spheroid)
  147. BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_BEGIN(putp3_init)
  148. {
  149. BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(putp3, putp3_entry)
  150. BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(putp3p, putp3p_entry)
  151. }
  152. } // namespace detail
  153. #endif // doxygen
  154. } // namespace projections
  155. }} // namespace boost::geometry
  156. #endif // BOOST_GEOMETRY_PROJECTIONS_PUTP3_HPP