projections/proj/putp4p.hpp

0001 // Boost.Geometry - gis-projections (based on PROJ4)
0002
0003 // Copyright (c) 2008-2015 Barend Gehrels, Amsterdam, the Netherlands.
0004
0005 // This file was modified by Oracle on 2017, 2018, 2019.
0006 // Modifications copyright (c) 2017-2019, Oracle and/or its affiliates.
0007 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle.
0008
0009 // Use, modification and distribution is subject to the Boost Software License,
0010 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
0011 // http://www.boost.org/LICENSE_1_0.txt)
0012
0013 // This file is converted from PROJ4, http://trac.osgeo.org/proj
0014 // PROJ4 is originally written by Gerald Evenden (then of the USGS)
0015 // PROJ4 is maintained by Frank Warmerdam
0016 // PROJ4 is converted to Boost.Geometry by Barend Gehrels
0017
0018 // Last updated version of proj: 5.0.0
0019
0020 // Original copyright notice:
0021
0022 // Permission is hereby granted, free of charge, to any person obtaining a
0023 // copy of this software and associated documentation files (the "Software"),
0024 // to deal in the Software without restriction, including without limitation
0025 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
0026 // and/or sell copies of the Software, and to permit persons to whom the
0027 // Software is furnished to do so, subject to the following conditions:
0028
0029 // The above copyright notice and this permission notice shall be included
0030 // in all copies or substantial portions of the Software.
0031
0032 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
0033 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0034 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
0035 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
0036 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
0037 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
0038 // DEALINGS IN THE SOFTWARE.
0039
0040 #ifndef BOOST_GEOMETRY_PROJECTIONS_PUTP4P_HPP
0041 #define BOOST_GEOMETRY_PROJECTIONS_PUTP4P_HPP
0042
0043 #include <boost/geometry/srs/projections/impl/base_static.hpp>
0044 #include <boost/geometry/srs/projections/impl/base_dynamic.hpp>
0045 #include <boost/geometry/srs/projections/impl/projects.hpp>
0046 #include <boost/geometry/srs/projections/impl/factory_entry.hpp>
0047 #include <boost/geometry/srs/projections/impl/aasincos.hpp>
0048
0049 namespace boost { namespace geometry
0050 {
0051
0052 namespace projections
0053 {
0054     #ifndef DOXYGEN_NO_DETAIL
0055     namespace detail { namespace putp4p
0056     {
0057             template <typename T>
0058             struct par_putp4p
0059             {
0060                 T    C_x, C_y;
0061             };
0062
0063             template <typename T, typename Parameters>
0064             struct base_putp4p_spheroid
0065             {
0066                 par_putp4p<T> m_proj_parm;
0067
0068                 // FORWARD(s_forward)  spheroid
0069                 // Project coordinates from geographic (lon, lat) to cartesian (x, y)
0070                 inline void fwd(Parameters const& , T const& lp_lon, T lp_lat, T& xy_x, T& xy_y) const
0071                 {
0072                     static T const third = detail::third<T>();
0073
0074                     lp_lat = aasin(0.883883476 * sin(lp_lat));
0075                     xy_x = this->m_proj_parm.C_x * lp_lon * cos(lp_lat);
0076                     xy_x /= cos(lp_lat *= third);
0077                     xy_y = this->m_proj_parm.C_y * sin(lp_lat);
0078                 }
0079
0080                 // INVERSE(s_inverse)  spheroid
0081                 // Project coordinates from cartesian (x, y) to geographic (lon, lat)
0082                 inline void inv(Parameters const& , T const& xy_x, T const& xy_y, T& lp_lon, T& lp_lat) const
0083                 {
0084                     lp_lat = aasin(xy_y / this->m_proj_parm.C_y);
0085                     lp_lon = xy_x * cos(lp_lat) / this->m_proj_parm.C_x;
0086                     lp_lat *= 3.;
0087                     lp_lon /= cos(lp_lat);
0088                     lp_lat = aasin(1.13137085 * sin(lp_lat));
0089                 }
0090
0091                 static inline std::string get_name()
0092                 {
0093                     return "putp4p_spheroid";
0094                 }
0095
0096             };
0097
0098
0099             // Putnins P4'
0100             template <typename Parameters, typename T>
0101             inline void setup_putp4p(Parameters& par, par_putp4p<T>& proj_parm)
0102             {
0103                 proj_parm.C_x = 0.874038744;
0104                 proj_parm.C_y = 3.883251825;
0105
0106                 par.es = 0.;
0107             }
0108
0109             // Werenskiold I
0110             template <typename Parameters, typename T>
0111             inline void setup_weren(Parameters& par, par_putp4p<T>& proj_parm)
0112             {
0113                 proj_parm.C_x = 1.;
0114                 proj_parm.C_y = 4.442882938;
0115
0116                 par.es = 0.;
0117             }
0118
0119     }} // namespace detail::putp4p
0120     #endif // doxygen
0121
0122     /*!
0123         \brief Putnins P4' projection
0124         \ingroup projections
0125         \tparam Geographic latlong point type
0126         \tparam Cartesian xy point type
0127         \tparam Parameters parameter type
0128         \par Projection characteristics
0129          - Pseudocylindrical
0130          - Spheroid
0131         \par Example
0132         \image html ex_putp4p.gif
0133     */
0134     template <typename T, typename Parameters>
0135     struct putp4p_spheroid : public detail::putp4p::base_putp4p_spheroid<T, Parameters>
0136     {
0137         template <typename Params>
0138         inline putp4p_spheroid(Params const& , Parameters & par)
0139         {
0140             detail::putp4p::setup_putp4p(par, this->m_proj_parm);
0141         }
0142     };
0143
0144     /*!
0145         \brief Werenskiold I projection
0146         \ingroup projections
0147         \tparam Geographic latlong point type
0148         \tparam Cartesian xy point type
0149         \tparam Parameters parameter type
0150         \par Projection characteristics
0151          - Pseudocylindrical
0152          - Spheroid
0153         \par Example
0154         \image html ex_weren.gif
0155     */
0156     template <typename T, typename Parameters>
0157     struct weren_spheroid : public detail::putp4p::base_putp4p_spheroid<T, Parameters>
0158     {
0159         template <typename Params>
0160         inline weren_spheroid(Params const& , Parameters & par)
0161         {
0162             detail::putp4p::setup_weren(par, this->m_proj_parm);
0163         }
0164     };
0165
0166     #ifndef DOXYGEN_NO_DETAIL
0167     namespace detail
0168     {
0169
0170         // Static projection
0171         BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_FI(srs::spar::proj_putp4p, putp4p_spheroid)
0172         BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_FI(srs::spar::proj_weren, weren_spheroid)
0173
0174         // Factory entry(s)
0175         BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI(putp4p_entry, putp4p_spheroid)
0176         BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI(weren_entry, weren_spheroid)
0177
0178         BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_BEGIN(putp4p_init)
0179         {
0180             BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(putp4p, putp4p_entry)
0181             BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(weren, weren_entry)
0182         }
0183
0184     } // namespace detail
0185     #endif // doxygen
0186
0187 } // namespace projections
0188
0189 }} // namespace boost::geometry
0190
0191 #endif // BOOST_GEOMETRY_PROJECTIONS_PUTP4P_HPP
0192