putp3.hpp 6.5 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_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 <typename T, typename Parameters>
  51. struct base_putp3_spheroid
  52. {
  53. par_putp3<T> m_proj_parm;
  54. // FORWARD(s_forward) spheroid
  55. // Project coordinates from geographic (lon, lat) to cartesian (x, y)
  56. inline void fwd(Parameters const& , T const& lp_lon, T const& lp_lat, T& xy_x, T& xy_y) const
  57. {
  58. xy_x = C * lp_lon * (1. - this->m_proj_parm.A * lp_lat * lp_lat);
  59. xy_y = C * lp_lat;
  60. }
  61. // INVERSE(s_inverse) spheroid
  62. // Project coordinates from cartesian (x, y) to geographic (lon, lat)
  63. inline void inv(Parameters const& , T const& xy_x, T const& xy_y, T& lp_lon, T& lp_lat) const
  64. {
  65. lp_lat = xy_y / C;
  66. lp_lon = xy_x / (C * (1. - this->m_proj_parm.A * lp_lat * lp_lat));
  67. }
  68. static inline std::string get_name()
  69. {
  70. return "putp3_spheroid";
  71. }
  72. };
  73. // Putnins P3
  74. template <typename Parameters, typename T>
  75. inline void setup_putp3(Parameters& par, par_putp3<T>& proj_parm)
  76. {
  77. proj_parm.A = 4. * RPISQ;
  78. par.es = 0.;
  79. }
  80. // Putnins P3'
  81. template <typename Parameters, typename T>
  82. inline void setup_putp3p(Parameters& par, par_putp3<T>& proj_parm)
  83. {
  84. proj_parm.A = 2. * RPISQ;
  85. par.es = 0.;
  86. }
  87. }} // namespace detail::putp3
  88. #endif // doxygen
  89. /*!
  90. \brief Putnins P3 projection
  91. \ingroup projections
  92. \tparam Geographic latlong point type
  93. \tparam Cartesian xy point type
  94. \tparam Parameters parameter type
  95. \par Projection characteristics
  96. - Pseudocylindrical
  97. - Spheroid
  98. \par Example
  99. \image html ex_putp3.gif
  100. */
  101. template <typename T, typename Parameters>
  102. struct putp3_spheroid : public detail::putp3::base_putp3_spheroid<T, Parameters>
  103. {
  104. template <typename Params>
  105. inline putp3_spheroid(Params const& , Parameters & par)
  106. {
  107. detail::putp3::setup_putp3(par, this->m_proj_parm);
  108. }
  109. };
  110. /*!
  111. \brief Putnins P3' projection
  112. \ingroup projections
  113. \tparam Geographic latlong point type
  114. \tparam Cartesian xy point type
  115. \tparam Parameters parameter type
  116. \par Projection characteristics
  117. - Pseudocylindrical
  118. - Spheroid
  119. \par Example
  120. \image html ex_putp3p.gif
  121. */
  122. template <typename T, typename Parameters>
  123. struct putp3p_spheroid : public detail::putp3::base_putp3_spheroid<T, Parameters>
  124. {
  125. template <typename Params>
  126. inline putp3p_spheroid(Params const& , Parameters & par)
  127. {
  128. detail::putp3::setup_putp3p(par, this->m_proj_parm);
  129. }
  130. };
  131. #ifndef DOXYGEN_NO_DETAIL
  132. namespace detail
  133. {
  134. // Static projection
  135. BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_FI(srs::spar::proj_putp3, putp3_spheroid)
  136. BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_FI(srs::spar::proj_putp3p, putp3p_spheroid)
  137. // Factory entry(s)
  138. BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI(putp3_entry, putp3_spheroid)
  139. BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI(putp3p_entry, putp3p_spheroid)
  140. BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_BEGIN(putp3_init)
  141. {
  142. BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(putp3, putp3_entry)
  143. BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(putp3p, putp3p_entry)
  144. }
  145. } // namespace detail
  146. #endif // doxygen
  147. } // namespace projections
  148. }} // namespace boost::geometry
  149. #endif // BOOST_GEOMETRY_PROJECTIONS_PUTP3_HPP