ceph/src/boost/boost/geometry/srs/projections/proj/geocent.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 // Purpose:  Stub projection for geocentric.  The transformation isn't
  23 //           really done here since this code is 2D.  The real transformation
  24 //           is handled by pj_transform.c.
  25 // Author:   Frank Warmerdam, warmerdam@pobox.com
  26 // Copyright (c) 2002, Frank Warmerdam
  27
  28 // Permission is hereby granted, free of charge, to any person obtaining a
  29 // copy of this software and associated documentation files (the "Software"),
  30 // to deal in the Software without restriction, including without limitation
  31 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  32 // and/or sell copies of the Software, and to permit persons to whom the
  33 // Software is furnished to do so, subject to the following conditions:
  34
  35 // The above copyright notice and this permission notice shall be included
  36 // in all copies or substantial portions of the Software.
  37
  38 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  39 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  40 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  41 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  42 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  43 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  44 // DEALINGS IN THE SOFTWARE.
  45
  46 #ifndef BOOST_GEOMETRY_PROJECTIONS_GEOCENT_HPP
  47 #define BOOST_GEOMETRY_PROJECTIONS_GEOCENT_HPP
  48
  49 #include <boost/geometry/srs/projections/impl/base_static.hpp>
  50 #include <boost/geometry/srs/projections/impl/base_dynamic.hpp>
  51 #include <boost/geometry/srs/projections/impl/projects.hpp>
  52 #include <boost/geometry/srs/projections/impl/factory_entry.hpp>
  53
  54 namespace boost { namespace geometry
  55 {
  56
  57 namespace projections
  58 {
  59     #ifndef DOXYGEN_NO_DETAIL
  60     namespace detail { namespace geocent
  61     {
  62
  63             template <typename T, typename Parameters>
  64             struct base_geocent_other
  65             {
  66                 // FORWARD(forward)
  67                 // Project coordinates from geographic (lon, lat) to cartesian (x, y)
  68                 inline void fwd(Parameters const& , T const& lp_lon, T const& lp_lat, T& xy_x, T& xy_y) const
  69                 {
  70                         xy_x = lp_lon;
  71                         xy_y = lp_lat;
  72                 }
  73
  74                 // INVERSE(inverse)
  75                 // Project coordinates from cartesian (x, y) to geographic (lon, lat)
  76                 inline void inv(Parameters const& , T const& xy_x, T const& xy_y, T& lp_lon, T& lp_lat) const
  77                 {
  78                         lp_lat = xy_y;
  79                         lp_lon = xy_x;
  80                 }
  81
  82                 static inline std::string get_name()
  83                 {
  84                     return "geocent_other";
  85                 }
  86
  87             };
  88
  89             // Geocentric
  90             template <typename Parameters>
  91             inline void setup_geocent(Parameters& par)
  92             {
  93                 par.is_geocent = true;
  94                 par.x0 = 0.0;
  95                 par.y0 = 0.0;
  96             }
  97
  98     }} // namespace detail::geocent
  99     #endif // doxygen
 100
 101     /*!
 102         \brief Geocentric projection
 103         \ingroup projections
 104         \tparam Geographic latlong point type
 105         \tparam Cartesian xy point type
 106         \tparam Parameters parameter type
 107         \par Example
 108         \image html ex_geocent.gif
 109     */
 110     template <typename T, typename Parameters>
 111     struct geocent_other : public detail::geocent::base_geocent_other<T, Parameters>
 112     {
 113         template <typename Params>
 114         inline geocent_other(Params const& , Parameters & par)
 115         {
 116             detail::geocent::setup_geocent(par);
 117         }
 118     };
 119
 120     #ifndef DOXYGEN_NO_DETAIL
 121     namespace detail
 122     {
 123
 124         // Static projection
 125         BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_FI(srs::spar::proj_geocent, geocent_other)
 126
 127         // Factory entry(s)
 128         BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI(geocent_entry, geocent_other)
 129
 130         BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_BEGIN(geocent_init)
 131         {
 132             BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(geocent, geocent_entry);
 133         }
 134
 135     } // namespace detail
 136     #endif // doxygen
 137
 138 } // namespace projections
 139
 140 }} // namespace boost::geometry
 141
 142 #endif // BOOST_GEOMETRY_PROJECTIONS_GEOCENT_HPP
 143