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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_DENOY_HPP |
41 | #define BOOST_GEOMETRY_PROJECTIONS_DENOY_HPP | |
42 | ||
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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 denoy | |
55 | { | |
56 | ||
57 | static const double C0 = 0.95; | |
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58 | //static const double C1 = -0.08333333333333333333; |
59 | //static const double C3 = 0.00166666666666666666; | |
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60 | static const double D1 = 0.9; |
61 | static const double D5 = 0.03; | |
62 | ||
63 | template <typename T> | |
92f5a8d4 | 64 | inline T C1() { return -0.0833333333333333333333333333333; } |
11fdf7f2 | 65 | template <typename T> |
92f5a8d4 | 66 | inline T C3() { return 0.0016666666666666666666666666666; } |
11fdf7f2 | 67 | |
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68 | template <typename T, typename Parameters> |
69 | struct base_denoy_spheroid | |
11fdf7f2 | 70 | { |
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71 | // FORWARD(s_forward) spheroid |
72 | // Project coordinates from geographic (lon, lat) to cartesian (x, y) | |
92f5a8d4 | 73 | inline void fwd(Parameters const& , T lp_lon, T const& lp_lat, T& xy_x, T& xy_y) const |
11fdf7f2 | 74 | { |
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75 | static const T C1 = denoy::C1<T>(); |
76 | static const T C3 = denoy::C3<T>(); | |
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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 | ||
85 | static inline std::string get_name() | |
86 | { | |
87 | return "denoy_spheroid"; | |
88 | } | |
89 | ||
90 | }; | |
91 | ||
92 | // Denoyer Semi-Elliptical | |
93 | template <typename Parameters> | |
94 | inline void setup_denoy(Parameters& par) | |
95 | { | |
92f5a8d4 | 96 | par.es = 0.0; |
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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 | */ | |
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115 | template <typename T, typename Parameters> |
116 | struct denoy_spheroid : public detail::denoy::base_denoy_spheroid<T, Parameters> | |
11fdf7f2 | 117 | { |
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118 | template <typename Params> |
119 | inline denoy_spheroid(Params const& , Parameters & par) | |
11fdf7f2 | 120 | { |
92f5a8d4 | 121 | detail::denoy::setup_denoy(par); |
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122 | } |
123 | }; | |
124 | ||
125 | #ifndef DOXYGEN_NO_DETAIL | |
126 | namespace detail | |
127 | { | |
128 | ||
129 | // Static projection | |
92f5a8d4 | 130 | BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_F(srs::spar::proj_denoy, denoy_spheroid) |
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131 | |
132 | // Factory entry(s) | |
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133 | BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_F(denoy_entry, denoy_spheroid) |
134 | ||
135 | BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_BEGIN(denoy_init) | |
11fdf7f2 | 136 | { |
92f5a8d4 | 137 | BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(denoy, denoy_entry); |
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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 |