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92f5a8d4 | 1 | // Boost.Geometry - gis-projections (based on PROJ4) |
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2 | |
3 | // Copyright (c) 2008-2015 Barend Gehrels, Amsterdam, the Netherlands. | |
4 | ||
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5 | // This file was modified by Oracle on 2017, 2018, 2019. |
6 | // Modifications copyright (c) 2017-2019, Oracle and/or its affiliates. | |
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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 | ||
92f5a8d4 | 18 | // Last updated version of proj: 5.0.0 |
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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 | ||
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40 | #ifndef BOOST_GEOMETRY_PROJECTIONS_PUTP3_HPP |
41 | #define BOOST_GEOMETRY_PROJECTIONS_PUTP3_HPP | |
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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 | ||
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51 | namespace projections |
52 | { | |
53 | #ifndef DOXYGEN_NO_DETAIL | |
54 | namespace detail { namespace putp3 | |
55 | { | |
56 | ||
57 | static const double C = 0.79788456; | |
58 | static const double RPISQ = 0.1013211836; | |
59 | ||
60 | template <typename T> | |
61 | struct par_putp3 | |
62 | { | |
63 | T A; | |
64 | }; | |
65 | ||
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66 | template <typename T, typename Parameters> |
67 | struct base_putp3_spheroid | |
11fdf7f2 | 68 | { |
92f5a8d4 | 69 | par_putp3<T> m_proj_parm; |
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70 | |
71 | // FORWARD(s_forward) spheroid | |
72 | // Project coordinates from geographic (lon, lat) to cartesian (x, y) | |
92f5a8d4 | 73 | inline void fwd(Parameters const& , T const& lp_lon, T const& lp_lat, T& xy_x, T& xy_y) const |
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74 | { |
75 | xy_x = C * lp_lon * (1. - this->m_proj_parm.A * lp_lat * lp_lat); | |
76 | xy_y = C * lp_lat; | |
77 | } | |
78 | ||
79 | // INVERSE(s_inverse) spheroid | |
80 | // Project coordinates from cartesian (x, y) to geographic (lon, lat) | |
92f5a8d4 | 81 | inline void inv(Parameters const& , T const& xy_x, T const& xy_y, T& lp_lon, T& lp_lat) const |
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82 | { |
83 | lp_lat = xy_y / C; | |
84 | lp_lon = xy_x / (C * (1. - this->m_proj_parm.A * lp_lat * lp_lat)); | |
85 | } | |
86 | ||
87 | static inline std::string get_name() | |
88 | { | |
89 | return "putp3_spheroid"; | |
90 | } | |
91 | ||
92 | }; | |
93 | ||
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94 | |
95 | // Putnins P3 | |
96 | template <typename Parameters, typename T> | |
97 | inline void setup_putp3(Parameters& par, par_putp3<T>& proj_parm) | |
98 | { | |
99 | proj_parm.A = 4. * RPISQ; | |
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100 | |
101 | par.es = 0.; | |
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102 | } |
103 | ||
104 | // Putnins P3' | |
105 | template <typename Parameters, typename T> | |
106 | inline void setup_putp3p(Parameters& par, par_putp3<T>& proj_parm) | |
107 | { | |
108 | proj_parm.A = 2. * RPISQ; | |
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109 | |
110 | par.es = 0.; | |
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111 | } |
112 | ||
113 | }} // namespace detail::putp3 | |
114 | #endif // doxygen | |
115 | ||
116 | /*! | |
117 | \brief Putnins P3 projection | |
118 | \ingroup projections | |
119 | \tparam Geographic latlong point type | |
120 | \tparam Cartesian xy point type | |
121 | \tparam Parameters parameter type | |
122 | \par Projection characteristics | |
123 | - Pseudocylindrical | |
124 | - Spheroid | |
125 | \par Example | |
126 | \image html ex_putp3.gif | |
127 | */ | |
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128 | template <typename T, typename Parameters> |
129 | struct putp3_spheroid : public detail::putp3::base_putp3_spheroid<T, Parameters> | |
11fdf7f2 | 130 | { |
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131 | template <typename Params> |
132 | inline putp3_spheroid(Params const& , Parameters & par) | |
11fdf7f2 | 133 | { |
92f5a8d4 | 134 | detail::putp3::setup_putp3(par, this->m_proj_parm); |
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135 | } |
136 | }; | |
137 | ||
138 | /*! | |
139 | \brief Putnins P3' projection | |
140 | \ingroup projections | |
141 | \tparam Geographic latlong point type | |
142 | \tparam Cartesian xy point type | |
143 | \tparam Parameters parameter type | |
144 | \par Projection characteristics | |
145 | - Pseudocylindrical | |
146 | - Spheroid | |
147 | \par Example | |
148 | \image html ex_putp3p.gif | |
149 | */ | |
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150 | template <typename T, typename Parameters> |
151 | struct putp3p_spheroid : public detail::putp3::base_putp3_spheroid<T, Parameters> | |
11fdf7f2 | 152 | { |
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153 | template <typename Params> |
154 | inline putp3p_spheroid(Params const& , Parameters & par) | |
11fdf7f2 | 155 | { |
92f5a8d4 | 156 | detail::putp3::setup_putp3p(par, this->m_proj_parm); |
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157 | } |
158 | }; | |
159 | ||
160 | #ifndef DOXYGEN_NO_DETAIL | |
161 | namespace detail | |
162 | { | |
163 | ||
164 | // Static projection | |
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165 | BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_FI(srs::spar::proj_putp3, putp3_spheroid) |
166 | BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_FI(srs::spar::proj_putp3p, putp3p_spheroid) | |
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167 | |
168 | // Factory entry(s) | |
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169 | BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI(putp3_entry, putp3_spheroid) |
170 | BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI(putp3p_entry, putp3p_spheroid) | |
11fdf7f2 | 171 | |
92f5a8d4 | 172 | BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_BEGIN(putp3_init) |
11fdf7f2 | 173 | { |
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174 | BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(putp3, putp3_entry) |
175 | BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(putp3p, putp3p_entry) | |
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176 | } |
177 | ||
178 | } // namespace detail | |
179 | #endif // doxygen | |
180 | ||
181 | } // namespace projections | |
182 | ||
183 | }} // namespace boost::geometry | |
184 | ||
185 | #endif // BOOST_GEOMETRY_PROJECTIONS_PUTP3_HPP | |
186 |