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

   1 #ifndef BOOST_GEOMETRY_PROJECTIONS_OEA_HPP
   2 #define BOOST_GEOMETRY_PROJECTIONS_OEA_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/math/special_functions/hypot.hpp>
  45
  46 #include <boost/geometry/srs/projections/impl/base_static.hpp>
  47 #include <boost/geometry/srs/projections/impl/base_dynamic.hpp>
  48 #include <boost/geometry/srs/projections/impl/projects.hpp>
  49 #include <boost/geometry/srs/projections/impl/factory_entry.hpp>
  50 #include <boost/geometry/srs/projections/impl/aasincos.hpp>
  51
  52 namespace boost { namespace geometry
  53 {
  54
  55 namespace srs { namespace par4
  56 {
  57     struct oea {};
  58
  59 }} //namespace srs::par4
  60
  61 namespace projections
  62 {
  63     #ifndef DOXYGEN_NO_DETAIL
  64     namespace detail { namespace oea
  65     {
  66             template <typename T>
  67             struct par_oea
  68             {
  69                 T    theta;
  70                 T    m, n;
  71                 T    two_r_m, two_r_n, rm, rn, hm, hn;
  72                 T    cp0, sp0;
  73             };
  74
  75             // template class, using CRTP to implement forward/inverse
  76             template <typename CalculationType, typename Parameters>
  77             struct base_oea_spheroid : public base_t_fi<base_oea_spheroid<CalculationType, Parameters>,
  78                      CalculationType, Parameters>
  79             {
  80
  81                 typedef CalculationType geographic_type;
  82                 typedef CalculationType cartesian_type;
  83
  84                 par_oea<CalculationType> m_proj_parm;
  85
  86                 inline base_oea_spheroid(const Parameters& par)
  87                     : base_t_fi<base_oea_spheroid<CalculationType, Parameters>,
  88                      CalculationType, Parameters>(*this, par) {}
  89
  90                 // FORWARD(s_forward)  sphere
  91                 // Project coordinates from geographic (lon, lat) to cartesian (x, y)
  92                 inline void fwd(geographic_type& lp_lon, geographic_type& lp_lat, cartesian_type& xy_x, cartesian_type& xy_y) const
  93                 {
  94                     CalculationType Az, M, N, cp, sp, cl, shz;
  95
  96                     cp = cos(lp_lat);
  97                     sp = sin(lp_lat);
  98                     cl = cos(lp_lon);
  99                     Az = aatan2(cp * sin(lp_lon), this->m_proj_parm.cp0 * sp - this->m_proj_parm.sp0 * cp * cl) + this->m_proj_parm.theta;
 100                     shz = sin(0.5 * aacos(this->m_proj_parm.sp0 * sp + this->m_proj_parm.cp0 * cp * cl));
 101                     M = aasin(shz * sin(Az));
 102                     N = aasin(shz * cos(Az) * cos(M) / cos(M * this->m_proj_parm.two_r_m));
 103                     xy_y = this->m_proj_parm.n * sin(N * this->m_proj_parm.two_r_n);
 104                     xy_x = this->m_proj_parm.m * sin(M * this->m_proj_parm.two_r_m) * cos(N) / cos(N * this->m_proj_parm.two_r_n);
 105                 }
 106
 107                 // INVERSE(s_inverse)  sphere
 108                 // Project coordinates from cartesian (x, y) to geographic (lon, lat)
 109                 inline void inv(cartesian_type& xy_x, cartesian_type& xy_y, geographic_type& lp_lon, geographic_type& lp_lat) const
 110                 {
 111                     CalculationType N, M, xp, yp, z, Az, cz, sz, cAz;
 112
 113                     N = this->m_proj_parm.hn * aasin(xy_y * this->m_proj_parm.rn);
 114                     M = this->m_proj_parm.hm * aasin(xy_x * this->m_proj_parm.rm * cos(N * this->m_proj_parm.two_r_n) / cos(N));
 115                     xp = 2. * sin(M);
 116                     yp = 2. * sin(N) * cos(M * this->m_proj_parm.two_r_m) / cos(M);
 117                     cAz = cos(Az = aatan2(xp, yp) - this->m_proj_parm.theta);
 118                     z = 2. * aasin(0.5 * boost::math::hypot(xp, yp));
 119                     sz = sin(z);
 120                     cz = cos(z);
 121                     lp_lat = aasin(this->m_proj_parm.sp0 * cz + this->m_proj_parm.cp0 * sz * cAz);
 122                     lp_lon = aatan2(sz * sin(Az),
 123                         this->m_proj_parm.cp0 * cz - this->m_proj_parm.sp0 * sz * cAz);
 124                 }
 125
 126                 static inline std::string get_name()
 127                 {
 128                     return "oea_spheroid";
 129                 }
 130
 131             };
 132
 133             // Oblated Equal Area
 134             template <typename Parameters, typename T>
 135             inline void setup_oea(Parameters& par, par_oea<T>& proj_parm)
 136             {
 137                 if (((proj_parm.n = pj_param(par.params, "dn").f) <= 0.) ||
 138                     ((proj_parm.m = pj_param(par.params, "dm").f) <= 0.))
 139                     BOOST_THROW_EXCEPTION( projection_exception(-39) );
 140                 else {
 141                     proj_parm.theta = pj_param(par.params, "rtheta").f;
 142                     proj_parm.sp0 = sin(par.phi0);
 143                     proj_parm.cp0 = cos(par.phi0);
 144                     proj_parm.rn = 1./ proj_parm.n;
 145                     proj_parm.rm = 1./ proj_parm.m;
 146                     proj_parm.two_r_n = 2. * proj_parm.rn;
 147                     proj_parm.two_r_m = 2. * proj_parm.rm;
 148                     proj_parm.hm = 0.5 * proj_parm.m;
 149                     proj_parm.hn = 0.5 * proj_parm.n;
 150                     par.es = 0.;
 151                 }
 152             }
 153
 154     }} // namespace detail::oea
 155     #endif // doxygen
 156
 157     /*!
 158         \brief Oblated Equal Area projection
 159         \ingroup projections
 160         \tparam Geographic latlong point type
 161         \tparam Cartesian xy point type
 162         \tparam Parameters parameter type
 163         \par Projection characteristics
 164          - Miscellaneous
 165          - Spheroid
 166         \par Projection parameters
 167          - n (real)
 168          - m (real)
 169          - theta: Theta (degrees)
 170         \par Example
 171         \image html ex_oea.gif
 172     */
 173     template <typename CalculationType, typename Parameters>
 174     struct oea_spheroid : public detail::oea::base_oea_spheroid<CalculationType, Parameters>
 175     {
 176         inline oea_spheroid(const Parameters& par) : detail::oea::base_oea_spheroid<CalculationType, Parameters>(par)
 177         {
 178             detail::oea::setup_oea(this->m_par, this->m_proj_parm);
 179         }
 180     };
 181
 182     #ifndef DOXYGEN_NO_DETAIL
 183     namespace detail
 184     {
 185
 186         // Static projection
 187         BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::par4::oea, oea_spheroid, oea_spheroid)
 188
 189         // Factory entry(s)
 190         template <typename CalculationType, typename Parameters>
 191         class oea_entry : public detail::factory_entry<CalculationType, Parameters>
 192         {
 193             public :
 194                 virtual base_v<CalculationType, Parameters>* create_new(const Parameters& par) const
 195                 {
 196                     return new base_v_fi<oea_spheroid<CalculationType, Parameters>, CalculationType, Parameters>(par);
 197                 }
 198         };
 199
 200         template <typename CalculationType, typename Parameters>
 201         inline void oea_init(detail::base_factory<CalculationType, Parameters>& factory)
 202         {
 203             factory.add_to_factory("oea", new oea_entry<CalculationType, Parameters>);
 204         }
 205
 206     } // namespace detail
 207     #endif // doxygen
 208
 209 } // namespace projections
 210
 211 }} // namespace boost::geometry
 212
 213 #endif // BOOST_GEOMETRY_PROJECTIONS_OEA_HPP
 214