1 // Boost.Geometry - gis-projections (based on PROJ4)
3 // Copyright (c) 2008-2015 Barend Gehrels, Amsterdam, the Netherlands.
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.
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)
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
18 // Last updated version of proj: 5.0.0
20 // Original copyright notice:
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:
29 // The above copyright notice and this permission notice shall be included
30 // in all copies or substantial portions of the Software.
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.
40 #ifndef BOOST_GEOMETRY_PROJECTIONS_TCC_HPP
41 #define BOOST_GEOMETRY_PROJECTIONS_TCC_HPP
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>
48 namespace boost { namespace geometry
53 #ifndef DOXYGEN_NO_DETAIL
54 namespace detail { namespace tcc
57 static const double epsilon10 = 1.e-10;
59 template <typename T, typename Parameters>
60 struct base_tcc_spheroid
62 // FORWARD(s_forward) spheroid
63 // Project coordinates from geographic (lon, lat) to cartesian (x, y)
64 inline void fwd(Parameters const& , T const& lp_lon, T const& lp_lat, T& xy_x, T& xy_y) const
68 b = cos(lp_lat) * sin(lp_lon);
69 if ((bt = 1. - b * b) < epsilon10) {
70 BOOST_THROW_EXCEPTION( projection_exception(error_tolerance_condition) );
73 xy_y = atan2(tan(lp_lat) , cos(lp_lon));
76 static inline std::string get_name()
78 return "tcc_spheroid";
83 // Transverse Central Cylindrical
84 template <typename Parameters>
85 inline void setup_tcc(Parameters& par)
90 }} // namespace detail::tcc
94 \brief Transverse Central Cylindrical projection
96 \tparam Geographic latlong point type
97 \tparam Cartesian xy point type
98 \tparam Parameters parameter type
99 \par Projection characteristics
104 \image html ex_tcc.gif
106 template <typename T, typename Parameters>
107 struct tcc_spheroid : public detail::tcc::base_tcc_spheroid<T, Parameters>
109 template <typename Params>
110 inline tcc_spheroid(Params const& , Parameters & par)
112 detail::tcc::setup_tcc(par);
116 #ifndef DOXYGEN_NO_DETAIL
121 BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_F(srs::spar::proj_tcc, tcc_spheroid)
124 BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_F(tcc_entry, tcc_spheroid)
126 BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_BEGIN(tcc_init)
128 BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(tcc, tcc_entry)
131 } // namespace detail
134 } // namespace projections
136 }} // namespace boost::geometry
138 #endif // BOOST_GEOMETRY_PROJECTIONS_TCC_HPP