ceph/src/boost/boost/geometry/srs/projections/proj/putp2.hpp

   1 #ifndef BOOST_GEOMETRY_PROJECTIONS_PUTP2_HPP
   2 #define BOOST_GEOMETRY_PROJECTIONS_PUTP2_HPP
   3
   4 // Boost.Geometry - extensions-gis-projections (based on PROJ4)
   5 // This file is automatically generated. DO NOT EDIT.
   6
   7 // Copyright (c) 2008-2015 Barend Gehrels, Amsterdam, the Netherlands.
   8
   9 // This file was modified by Oracle on 2017.
  10 // Modifications copyright (c) 2017, Oracle and/or its affiliates.
  11 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle.
  12
  13 // Use, modification and distribution is subject to the Boost Software License,
  14 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  15 // http://www.boost.org/LICENSE_1_0.txt)
  16
  17 // This file is converted from PROJ4, http://trac.osgeo.org/proj
  18 // PROJ4 is originally written by Gerald Evenden (then of the USGS)
  19 // PROJ4 is maintained by Frank Warmerdam
  20 // PROJ4 is converted to Boost.Geometry by Barend Gehrels
  21
  22 // Last updated version of proj: 4.9.1
  23
  24 // Original copyright notice:
  25
  26 // Permission is hereby granted, free of charge, to any person obtaining a
  27 // copy of this software and associated documentation files (the "Software"),
  28 // to deal in the Software without restriction, including without limitation
  29 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  30 // and/or sell copies of the Software, and to permit persons to whom the
  31 // Software is furnished to do so, subject to the following conditions:
  32
  33 // The above copyright notice and this permission notice shall be included
  34 // in all copies or substantial portions of the Software.
  35
  36 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  37 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  38 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  39 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  40 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  41 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  42 // DEALINGS IN THE SOFTWARE.
  43
  44 #include <boost/geometry/srs/projections/impl/base_static.hpp>
  45 #include <boost/geometry/srs/projections/impl/base_dynamic.hpp>
  46 #include <boost/geometry/srs/projections/impl/projects.hpp>
  47 #include <boost/geometry/srs/projections/impl/factory_entry.hpp>
  48 #include <boost/geometry/srs/projections/impl/aasincos.hpp>
  49
  50 namespace boost { namespace geometry
  51 {
  52
  53 namespace srs { namespace par4
  54 {
  55     struct putp2 {};
  56
  57 }} //namespace srs::par4
  58
  59 namespace projections
  60 {
  61     #ifndef DOXYGEN_NO_DETAIL
  62     namespace detail { namespace putp2
  63     {
  64
  65             static const double C_x = 1.89490;
  66             static const double C_y = 1.71848;
  67             static const double C_p = 0.6141848493043784;
  68             static const double EPS = 1e-10;
  69             static const int NITER = 10;
  70             //static const double PI_DIV_3 = 1.0471975511965977;
  71
  72             // template class, using CRTP to implement forward/inverse
  73             template <typename CalculationType, typename Parameters>
  74             struct base_putp2_spheroid : public base_t_fi<base_putp2_spheroid<CalculationType, Parameters>,
  75                      CalculationType, Parameters>
  76             {
  77
  78                 typedef CalculationType geographic_type;
  79                 typedef CalculationType cartesian_type;
  80
  81
  82                 inline base_putp2_spheroid(const Parameters& par)
  83                     : base_t_fi<base_putp2_spheroid<CalculationType, Parameters>,
  84                      CalculationType, Parameters>(*this, par) {}
  85
  86                 // FORWARD(s_forward)  spheroid
  87                 // Project coordinates from geographic (lon, lat) to cartesian (x, y)
  88                 inline void fwd(geographic_type& lp_lon, geographic_type& lp_lat, cartesian_type& xy_x, cartesian_type& xy_y) const
  89                 {
  90                     static const CalculationType PI_DIV_3 = detail::PI_DIV_3<CalculationType>();
  91
  92                     CalculationType p, c, s, V;
  93                     int i;
  94
  95                     p = C_p * sin(lp_lat);
  96                     s = lp_lat * lp_lat;
  97                     lp_lat *= 0.615709 + s * ( 0.00909953 + s * 0.0046292 );
  98                     for (i = NITER; i ; --i) {
  99                         c = cos(lp_lat);
 100                         s = sin(lp_lat);
 101                         lp_lat -= V = (lp_lat + s * (c - 1.) - p) /
 102                             (1. + c * (c - 1.) - s * s);
 103                         if (fabs(V) < EPS)
 104                             break;
 105                     }
 106                     if (!i)
 107                         lp_lat = lp_lat < 0 ? - PI_DIV_3 : PI_DIV_3;
 108                     xy_x = C_x * lp_lon * (cos(lp_lat) - 0.5);
 109                     xy_y = C_y * sin(lp_lat);
 110                 }
 111
 112                 // INVERSE(s_inverse)  spheroid
 113                 // Project coordinates from cartesian (x, y) to geographic (lon, lat)
 114                 inline void inv(cartesian_type& xy_x, cartesian_type& xy_y, geographic_type& lp_lon, geographic_type& lp_lat) const
 115                 {
 116                     CalculationType c;
 117
 118                     lp_lat = aasin(xy_y / C_y);
 119                     lp_lon = xy_x / (C_x * ((c = cos(lp_lat)) - 0.5));
 120                     lp_lat = aasin((lp_lat + sin(lp_lat) * (c - 1.)) / C_p);
 121                 }
 122
 123                 static inline std::string get_name()
 124                 {
 125                     return "putp2_spheroid";
 126                 }
 127
 128             };
 129
 130             // Putnins P2
 131             template <typename Parameters>
 132             inline void setup_putp2(Parameters& par)
 133             {
 134                 par.es = 0.;
 135             }
 136
 137     }} // namespace detail::putp2
 138     #endif // doxygen
 139
 140     /*!
 141         \brief Putnins P2 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_putp2.gif
 151     */
 152     template <typename CalculationType, typename Parameters>
 153     struct putp2_spheroid : public detail::putp2::base_putp2_spheroid<CalculationType, Parameters>
 154     {
 155         inline putp2_spheroid(const Parameters& par) : detail::putp2::base_putp2_spheroid<CalculationType, Parameters>(par)
 156         {
 157             detail::putp2::setup_putp2(this->m_par);
 158         }
 159     };
 160
 161     #ifndef DOXYGEN_NO_DETAIL
 162     namespace detail
 163     {
 164
 165         // Static projection
 166         BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::par4::putp2, putp2_spheroid, putp2_spheroid)
 167
 168         // Factory entry(s)
 169         template <typename CalculationType, typename Parameters>
 170         class putp2_entry : public detail::factory_entry<CalculationType, Parameters>
 171         {
 172             public :
 173                 virtual base_v<CalculationType, Parameters>* create_new(const Parameters& par) const
 174                 {
 175                     return new base_v_fi<putp2_spheroid<CalculationType, Parameters>, CalculationType, Parameters>(par);
 176                 }
 177         };
 178
 179         template <typename CalculationType, typename Parameters>
 180         inline void putp2_init(detail::base_factory<CalculationType, Parameters>& factory)
 181         {
 182             factory.add_to_factory("putp2", new putp2_entry<CalculationType, Parameters>);
 183         }
 184
 185     } // namespace detail
 186     #endif // doxygen
 187
 188 } // namespace projections
 189
 190 }} // namespace boost::geometry
 191
 192 #endif // BOOST_GEOMETRY_PROJECTIONS_PUTP2_HPP
 193