ceph/src/boost/boost/geometry/srs/projections/proj/putp4p.hpp

   1 // Boost.Geometry - gis-projections (based on PROJ4)
   2
   3 // Copyright (c) 2008-2015 Barend Gehrels, Amsterdam, the Netherlands.
   4
   5 // This file was modified by Oracle on 2017, 2018, 2019.
   6 // Modifications copyright (c) 2017-2019, Oracle and/or its affiliates.
   7 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle.
   8
   9 // Use, modification and distribution is subject to the Boost Software License,
  10 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  11 // http://www.boost.org/LICENSE_1_0.txt)
  12
  13 // This file is converted from PROJ4, http://trac.osgeo.org/proj
  14 // PROJ4 is originally written by Gerald Evenden (then of the USGS)
  15 // PROJ4 is maintained by Frank Warmerdam
  16 // PROJ4 is converted to Boost.Geometry by Barend Gehrels
  17
  18 // Last updated version of proj: 5.0.0
  19
  20 // Original copyright notice:
  21
  22 // Permission is hereby granted, free of charge, to any person obtaining a
  23 // copy of this software and associated documentation files (the "Software"),
  24 // to deal in the Software without restriction, including without limitation
  25 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  26 // and/or sell copies of the Software, and to permit persons to whom the
  27 // Software is furnished to do so, subject to the following conditions:
  28
  29 // The above copyright notice and this permission notice shall be included
  30 // in all copies or substantial portions of the Software.
  31
  32 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  33 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  34 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  35 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  36 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  37 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  38 // DEALINGS IN THE SOFTWARE.
  39
  40 #ifndef BOOST_GEOMETRY_PROJECTIONS_PUTP4P_HPP
  41 #define BOOST_GEOMETRY_PROJECTIONS_PUTP4P_HPP
  42
  43 #include <boost/geometry/srs/projections/impl/base_static.hpp>
  44 #include <boost/geometry/srs/projections/impl/base_dynamic.hpp>
  45 #include <boost/geometry/srs/projections/impl/projects.hpp>
  46 #include <boost/geometry/srs/projections/impl/factory_entry.hpp>
  47 #include <boost/geometry/srs/projections/impl/aasincos.hpp>
  48
  49 namespace boost { namespace geometry
  50 {
  51
  52 namespace projections
  53 {
  54     #ifndef DOXYGEN_NO_DETAIL
  55     namespace detail { namespace putp4p
  56     {
  57             template <typename T>
  58             struct par_putp4p
  59             {
  60                 T    C_x, C_y;
  61             };
  62
  63             template <typename T, typename Parameters>
  64             struct base_putp4p_spheroid
  65             {
  66                 par_putp4p<T> m_proj_parm;
  67
  68                 // FORWARD(s_forward)  spheroid
  69                 // Project coordinates from geographic (lon, lat) to cartesian (x, y)
  70                 inline void fwd(Parameters const& , T const& lp_lon, T lp_lat, T& xy_x, T& xy_y) const
  71                 {
  72                     static T const third = detail::third<T>();
  73
  74                     lp_lat = aasin(0.883883476 * sin(lp_lat));
  75                     xy_x = this->m_proj_parm.C_x * lp_lon * cos(lp_lat);
  76                     xy_x /= cos(lp_lat *= third);
  77                     xy_y = this->m_proj_parm.C_y * sin(lp_lat);
  78                 }
  79
  80                 // INVERSE(s_inverse)  spheroid
  81                 // Project coordinates from cartesian (x, y) to geographic (lon, lat)
  82                 inline void inv(Parameters const& , T const& xy_x, T const& xy_y, T& lp_lon, T& lp_lat) const
  83                 {
  84                     lp_lat = aasin(xy_y / this->m_proj_parm.C_y);
  85                     lp_lon = xy_x * cos(lp_lat) / this->m_proj_parm.C_x;
  86                     lp_lat *= 3.;
  87                     lp_lon /= cos(lp_lat);
  88                     lp_lat = aasin(1.13137085 * sin(lp_lat));
  89                 }
  90
  91                 static inline std::string get_name()
  92                 {
  93                     return "putp4p_spheroid";
  94                 }
  95
  96             };
  97
  98
  99             // Putnins P4'
 100             template <typename Parameters, typename T>
 101             inline void setup_putp4p(Parameters& par, par_putp4p<T>& proj_parm)
 102             {
 103                 proj_parm.C_x = 0.874038744;
 104                 proj_parm.C_y = 3.883251825;
 105
 106                 par.es = 0.;
 107             }
 108
 109             // Werenskiold I
 110             template <typename Parameters, typename T>
 111             inline void setup_weren(Parameters& par, par_putp4p<T>& proj_parm)
 112             {
 113                 proj_parm.C_x = 1.;
 114                 proj_parm.C_y = 4.442882938;
 115
 116                 par.es = 0.;
 117             }
 118
 119     }} // namespace detail::putp4p
 120     #endif // doxygen
 121
 122     /*!
 123         \brief Putnins P4' projection
 124         \ingroup projections
 125         \tparam Geographic latlong point type
 126         \tparam Cartesian xy point type
 127         \tparam Parameters parameter type
 128         \par Projection characteristics
 129          - Pseudocylindrical
 130          - Spheroid
 131         \par Example
 132         \image html ex_putp4p.gif
 133     */
 134     template <typename T, typename Parameters>
 135     struct putp4p_spheroid : public detail::putp4p::base_putp4p_spheroid<T, Parameters>
 136     {
 137         template <typename Params>
 138         inline putp4p_spheroid(Params const& , Parameters & par)
 139         {
 140             detail::putp4p::setup_putp4p(par, this->m_proj_parm);
 141         }
 142     };
 143
 144     /*!
 145         \brief Werenskiold I projection
 146         \ingroup projections
 147         \tparam Geographic latlong point type
 148         \tparam Cartesian xy point type
 149         \tparam Parameters parameter type
 150         \par Projection characteristics
 151          - Pseudocylindrical
 152          - Spheroid
 153         \par Example
 154         \image html ex_weren.gif
 155     */
 156     template <typename T, typename Parameters>
 157     struct weren_spheroid : public detail::putp4p::base_putp4p_spheroid<T, Parameters>
 158     {
 159         template <typename Params>
 160         inline weren_spheroid(Params const& , Parameters & par)
 161         {
 162             detail::putp4p::setup_weren(par, this->m_proj_parm);
 163         }
 164     };
 165
 166     #ifndef DOXYGEN_NO_DETAIL
 167     namespace detail
 168     {
 169
 170         // Static projection
 171         BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_FI(srs::spar::proj_putp4p, putp4p_spheroid)
 172         BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_FI(srs::spar::proj_weren, weren_spheroid)
 173
 174         // Factory entry(s)
 175         BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI(putp4p_entry, putp4p_spheroid)
 176         BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI(weren_entry, weren_spheroid)
 177
 178         BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_BEGIN(putp4p_init)
 179         {
 180             BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(putp4p, putp4p_entry)
 181             BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(weren, weren_entry)
 182         }
 183
 184     } // namespace detail
 185     #endif // doxygen
 186
 187 } // namespace projections
 188
 189 }} // namespace boost::geometry
 190
 191 #endif // BOOST_GEOMETRY_PROJECTIONS_PUTP4P_HPP
 192