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_LASK_HPP 41 #define BOOST_GEOMETRY_PROJECTIONS_LASK_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 lask 55 { 56 57 static const double a10 = 0.975534; 58 static const double a12 = -0.119161; 59 static const double a32 = -0.0143059; 60 static const double a14 = -0.0547009; 61 static const double b01 = 1.00384; 62 static const double b21 = 0.0802894; 63 static const double b03 = 0.0998909; 64 static const double b41 = 0.000199025; 65 static const double b23 = -0.0285500; 66 static const double b05 = -0.0491032; 67 68 template <typename T, typename Parameters> 69 struct base_lask_spheroid 70 { 71 // FORWARD(s_forward) sphere 72 // Project coordinates from geographic (lon, lat) to cartesian (x, y) fwdboost::geometry::projections::detail::lask::base_lask_spheroid73 inline void fwd(Parameters const& , T const& lp_lon, T const& lp_lat, T& xy_x, T& xy_y) const 74 { 75 T l2, p2; 76 77 l2 = lp_lon * lp_lon; 78 p2 = lp_lat * lp_lat; 79 xy_x = lp_lon * (a10 + p2 * (a12 + l2 * a32 + p2 * a14)); 80 xy_y = lp_lat * (b01 + l2 * (b21 + p2 * b23 + l2 * b41) + 81 p2 * (b03 + p2 * b05)); 82 } 83 get_nameboost::geometry::projections::detail::lask::base_lask_spheroid84 static inline std::string get_name() 85 { 86 return "lask_spheroid"; 87 } 88 89 }; 90 91 // Laskowski 92 template <typename Parameters> setup_lask(Parameters & par)93 inline void setup_lask(Parameters& par) 94 { 95 par.es = 0.; 96 } 97 98 }} // namespace detail::lask 99 #endif // doxygen 100 101 /*! 102 \brief Laskowski projection 103 \ingroup projections 104 \tparam Geographic latlong point type 105 \tparam Cartesian xy point type 106 \tparam Parameters parameter type 107 \par Projection characteristics 108 - Miscellaneous 109 - Spheroid 110 - no inverse 111 \par Example 112 \image html ex_lask.gif 113 */ 114 template <typename T, typename Parameters> 115 struct lask_spheroid : public detail::lask::base_lask_spheroid<T, Parameters> 116 { 117 template <typename Params> lask_spheroidboost::geometry::projections::lask_spheroid118 inline lask_spheroid(Params const& , Parameters & par) 119 { 120 detail::lask::setup_lask(par); 121 } 122 }; 123 124 #ifndef DOXYGEN_NO_DETAIL 125 namespace detail 126 { 127 128 // Static projection BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_F(srs::spar::proj_lask,lask_spheroid)129 BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_F(srs::spar::proj_lask, lask_spheroid) 130 131 // Factory entry(s) 132 BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_F(lask_entry, lask_spheroid) 133 134 BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_BEGIN(lask_init) 135 { 136 BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(lask, lask_entry); 137 } 138 139 } // namespace detail 140 #endif // doxygen 141 142 } // namespace projections 143 144 }} // namespace boost::geometry 145 146 #endif // BOOST_GEOMETRY_PROJECTIONS_LASK_HPP 147 148