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_DENOY_HPP 41 #define BOOST_GEOMETRY_PROJECTIONS_DENOY_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 denoy 55 { 56 57 static const double C0 = 0.95; 58 //static const double C1 = -0.08333333333333333333; 59 //static const double C3 = 0.00166666666666666666; 60 static const double D1 = 0.9; 61 static const double D5 = 0.03; 62 63 template <typename T> C1()64 inline T C1() { return -0.0833333333333333333333333333333; } 65 template <typename T> C3()66 inline T C3() { return 0.0016666666666666666666666666666; } 67 68 template <typename T, typename Parameters> 69 struct base_denoy_spheroid 70 { 71 // FORWARD(s_forward) spheroid 72 // Project coordinates from geographic (lon, lat) to cartesian (x, y) fwdboost::geometry::projections::detail::denoy::base_denoy_spheroid73 inline void fwd(Parameters const& , T lp_lon, T const& lp_lat, T& xy_x, T& xy_y) const 74 { 75 static const T C1 = denoy::C1<T>(); 76 static const T C3 = denoy::C3<T>(); 77 78 xy_y = lp_lat; 79 xy_x = lp_lon; 80 lp_lon = fabs(lp_lon); 81 xy_x *= cos((C0 + lp_lon * (C1 + lp_lon * lp_lon * C3)) * 82 (lp_lat * (D1 + D5 * lp_lat * lp_lat * lp_lat * lp_lat))); 83 } 84 get_nameboost::geometry::projections::detail::denoy::base_denoy_spheroid85 static inline std::string get_name() 86 { 87 return "denoy_spheroid"; 88 } 89 90 }; 91 92 // Denoyer Semi-Elliptical 93 template <typename Parameters> setup_denoy(Parameters & par)94 inline void setup_denoy(Parameters& par) 95 { 96 par.es = 0.0; 97 } 98 99 }} // namespace detail::denoy 100 #endif // doxygen 101 102 /*! 103 \brief Denoyer Semi-Elliptical projection 104 \ingroup projections 105 \tparam Geographic latlong point type 106 \tparam Cartesian xy point type 107 \tparam Parameters parameter type 108 \par Projection characteristics 109 - Pseudocylindrical 110 - no inverse 111 - Spheroid 112 \par Example 113 \image html ex_denoy.gif 114 */ 115 template <typename T, typename Parameters> 116 struct denoy_spheroid : public detail::denoy::base_denoy_spheroid<T, Parameters> 117 { 118 template <typename Params> denoy_spheroidboost::geometry::projections::denoy_spheroid119 inline denoy_spheroid(Params const& , Parameters & par) 120 { 121 detail::denoy::setup_denoy(par); 122 } 123 }; 124 125 #ifndef DOXYGEN_NO_DETAIL 126 namespace detail 127 { 128 129 // Static projection BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_F(srs::spar::proj_denoy,denoy_spheroid)130 BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_F(srs::spar::proj_denoy, denoy_spheroid) 131 132 // Factory entry(s) 133 BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_F(denoy_entry, denoy_spheroid) 134 135 BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_BEGIN(denoy_init) 136 { 137 BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(denoy, denoy_entry); 138 } 139 140 } // namespace detail 141 #endif // doxygen 142 143 } // namespace projections 144 145 }} // namespace boost::geometry 146 147 #endif // BOOST_GEOMETRY_PROJECTIONS_DENOY_HPP 148 149