ceph/src/boost/boost/geometry/srs/projections/proj/putp5.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_PUTP5_HPP
  41 #define BOOST_GEOMETRY_PROJECTIONS_PUTP5_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
  48 namespace boost { namespace geometry
  49 {
  50
  51 namespace projections
  52 {
  53     #ifndef DOXYGEN_NO_DETAIL
  54     namespace detail { namespace putp5
  55     {
  56
  57             static const double C = 1.01346;
  58             static const double D = 1.2158542;
  59
  60             template <typename T>
  61             struct par_putp5
  62             {
  63                 T    A, B;
  64             };
  65
  66             template <typename T, typename Parameters>
  67             struct base_putp5_spheroid
  68             {
  69                 par_putp5<T> m_proj_parm;
  70
  71                 // FORWARD(s_forward)  spheroid
  72                 // Project coordinates from geographic (lon, lat) to cartesian (x, y)
  73                 inline void fwd(Parameters const& , T const& lp_lon, T const& lp_lat, T& xy_x, T& xy_y) const
  74                 {
  75                     xy_x = C * lp_lon * (this->m_proj_parm.A - this->m_proj_parm.B * sqrt(1. + D * lp_lat * lp_lat));
  76                     xy_y = C * lp_lat;
  77                 }
  78
  79                 // INVERSE(s_inverse)  spheroid
  80                 // Project coordinates from cartesian (x, y) to geographic (lon, lat)
  81                 inline void inv(Parameters const& , T const& xy_x, T const& xy_y, T& lp_lon, T& lp_lat) const
  82                 {
  83                     lp_lat = xy_y / C;
  84                     lp_lon = xy_x / (C * (this->m_proj_parm.A - this->m_proj_parm.B * sqrt(1. + D * lp_lat * lp_lat)));
  85                 }
  86
  87                 static inline std::string get_name()
  88                 {
  89                     return "putp5_spheroid";
  90                 }
  91
  92             };
  93
  94
  95             // Putnins P5
  96             template <typename Parameters, typename T>
  97             inline void setup_putp5(Parameters& par, par_putp5<T>& proj_parm)
  98             {
  99                 proj_parm.A = 2.;
 100                 proj_parm.B = 1.;
 101
 102                 par.es = 0.;
 103             }
 104
 105             // Putnins P5'
 106             template <typename Parameters, typename T>
 107             inline void setup_putp5p(Parameters& par, par_putp5<T>& proj_parm)
 108             {
 109                 proj_parm.A = 1.5;
 110                 proj_parm.B = 0.5;
 111
 112                 par.es = 0.;
 113             }
 114
 115     }} // namespace detail::putp5
 116     #endif // doxygen
 117
 118     /*!
 119         \brief Putnins P5 projection
 120         \ingroup projections
 121         \tparam Geographic latlong point type
 122         \tparam Cartesian xy point type
 123         \tparam Parameters parameter type
 124         \par Projection characteristics
 125          - Pseudocylindrical
 126          - Spheroid
 127         \par Example
 128         \image html ex_putp5.gif
 129     */
 130     template <typename T, typename Parameters>
 131     struct putp5_spheroid : public detail::putp5::base_putp5_spheroid<T, Parameters>
 132     {
 133         template <typename Params>
 134         inline putp5_spheroid(Params const& , Parameters & par)
 135         {
 136             detail::putp5::setup_putp5(par, this->m_proj_parm);
 137         }
 138     };
 139
 140     /*!
 141         \brief Putnins P5' projection
 142         \ingroup projections
 143         \tparam Geographic latlong point type
 144         \tparam Cartesian xy point type
 145         \tparam Parameters parameter type
 146         \par Projection characteristics
 147          - Pseudocylindrical
 148          - Spheroid
 149         \par Example
 150         \image html ex_putp5p.gif
 151     */
 152     template <typename T, typename Parameters>
 153     struct putp5p_spheroid : public detail::putp5::base_putp5_spheroid<T, Parameters>
 154     {
 155         template <typename Params>
 156         inline putp5p_spheroid(Params const& , Parameters & par)
 157         {
 158             detail::putp5::setup_putp5p(par, this->m_proj_parm);
 159         }
 160     };
 161
 162     #ifndef DOXYGEN_NO_DETAIL
 163     namespace detail
 164     {
 165
 166         // Static projection
 167         BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_FI(srs::spar::proj_putp5, putp5_spheroid)
 168         BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_FI(srs::spar::proj_putp5p, putp5p_spheroid)
 169
 170         // Factory entry(s)
 171         BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI(putp5_entry, putp5_spheroid)
 172         BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI(putp5p_entry, putp5p_spheroid)
 173
 174         BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_BEGIN(putp5_init)
 175         {
 176             BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(putp5, putp5_entry)
 177             BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(putp5p, putp5p_entry)
 178         }
 179
 180     } // namespace detail
 181     #endif // doxygen
 182
 183 } // namespace projections
 184
 185 }} // namespace boost::geometry
 186
 187 #endif // BOOST_GEOMETRY_PROJECTIONS_PUTP5_HPP
 188