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Diffstat (limited to 'boost/geometry/srs/projections/proj/oea.hpp')
| -rw-r--r-- | boost/geometry/srs/projections/proj/oea.hpp | 214 |
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diff --git a/boost/geometry/srs/projections/proj/oea.hpp b/boost/geometry/srs/projections/proj/oea.hpp new file mode 100644 index 0000000000..469a41a2d5 --- /dev/null +++ b/boost/geometry/srs/projections/proj/oea.hpp @@ -0,0 +1,214 @@ +#ifndef BOOST_GEOMETRY_PROJECTIONS_OEA_HPP +#define BOOST_GEOMETRY_PROJECTIONS_OEA_HPP + +// Boost.Geometry - extensions-gis-projections (based on PROJ4) +// This file is automatically generated. DO NOT EDIT. + +// Copyright (c) 2008-2015 Barend Gehrels, Amsterdam, the Netherlands. + +// This file was modified by Oracle on 2017. +// Modifications copyright (c) 2017, Oracle and/or its affiliates. +// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle. + +// Use, modification and distribution is subject to the Boost Software License, +// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) + +// This file is converted from PROJ4, http://trac.osgeo.org/proj +// PROJ4 is originally written by Gerald Evenden (then of the USGS) +// PROJ4 is maintained by Frank Warmerdam +// PROJ4 is converted to Boost.Geometry by Barend Gehrels + +// Last updated version of proj: 4.9.1 + +// Original copyright notice: + +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the "Software"), +// to deal in the Software without restriction, including without limitation +// the rights to use, copy, modify, merge, publish, distribute, sublicense, +// and/or sell copies of the Software, and to permit persons to whom the +// Software is furnished to do so, subject to the following conditions: + +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. + +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +// DEALINGS IN THE SOFTWARE. + +#include <boost/math/special_functions/hypot.hpp> + +#include <boost/geometry/srs/projections/impl/base_static.hpp> +#include <boost/geometry/srs/projections/impl/base_dynamic.hpp> +#include <boost/geometry/srs/projections/impl/projects.hpp> +#include <boost/geometry/srs/projections/impl/factory_entry.hpp> +#include <boost/geometry/srs/projections/impl/aasincos.hpp> + +namespace boost { namespace geometry +{ + +namespace srs { namespace par4 +{ + struct oea {}; + +}} //namespace srs::par4 + +namespace projections +{ + #ifndef DOXYGEN_NO_DETAIL + namespace detail { namespace oea + { + template <typename T> + struct par_oea + { + T theta; + T m, n; + T two_r_m, two_r_n, rm, rn, hm, hn; + T cp0, sp0; + }; + + // template class, using CRTP to implement forward/inverse + template <typename CalculationType, typename Parameters> + struct base_oea_spheroid : public base_t_fi<base_oea_spheroid<CalculationType, Parameters>, + CalculationType, Parameters> + { + + typedef CalculationType geographic_type; + typedef CalculationType cartesian_type; + + par_oea<CalculationType> m_proj_parm; + + inline base_oea_spheroid(const Parameters& par) + : base_t_fi<base_oea_spheroid<CalculationType, Parameters>, + CalculationType, Parameters>(*this, par) {} + + // FORWARD(s_forward) sphere + // Project coordinates from geographic (lon, lat) to cartesian (x, y) + inline void fwd(geographic_type& lp_lon, geographic_type& lp_lat, cartesian_type& xy_x, cartesian_type& xy_y) const + { + CalculationType Az, M, N, cp, sp, cl, shz; + + cp = cos(lp_lat); + sp = sin(lp_lat); + cl = cos(lp_lon); + Az = aatan2(cp * sin(lp_lon), this->m_proj_parm.cp0 * sp - this->m_proj_parm.sp0 * cp * cl) + this->m_proj_parm.theta; + shz = sin(0.5 * aacos(this->m_proj_parm.sp0 * sp + this->m_proj_parm.cp0 * cp * cl)); + M = aasin(shz * sin(Az)); + N = aasin(shz * cos(Az) * cos(M) / cos(M * this->m_proj_parm.two_r_m)); + xy_y = this->m_proj_parm.n * sin(N * this->m_proj_parm.two_r_n); + xy_x = this->m_proj_parm.m * sin(M * this->m_proj_parm.two_r_m) * cos(N) / cos(N * this->m_proj_parm.two_r_n); + } + + // INVERSE(s_inverse) sphere + // Project coordinates from cartesian (x, y) to geographic (lon, lat) + inline void inv(cartesian_type& xy_x, cartesian_type& xy_y, geographic_type& lp_lon, geographic_type& lp_lat) const + { + CalculationType N, M, xp, yp, z, Az, cz, sz, cAz; + + N = this->m_proj_parm.hn * aasin(xy_y * this->m_proj_parm.rn); + M = this->m_proj_parm.hm * aasin(xy_x * this->m_proj_parm.rm * cos(N * this->m_proj_parm.two_r_n) / cos(N)); + xp = 2. * sin(M); + yp = 2. * sin(N) * cos(M * this->m_proj_parm.two_r_m) / cos(M); + cAz = cos(Az = aatan2(xp, yp) - this->m_proj_parm.theta); + z = 2. * aasin(0.5 * boost::math::hypot(xp, yp)); + sz = sin(z); + cz = cos(z); + lp_lat = aasin(this->m_proj_parm.sp0 * cz + this->m_proj_parm.cp0 * sz * cAz); + lp_lon = aatan2(sz * sin(Az), + this->m_proj_parm.cp0 * cz - this->m_proj_parm.sp0 * sz * cAz); + } + + static inline std::string get_name() + { + return "oea_spheroid"; + } + + }; + + // Oblated Equal Area + template <typename Parameters, typename T> + inline void setup_oea(Parameters& par, par_oea<T>& proj_parm) + { + if (((proj_parm.n = pj_param(par.params, "dn").f) <= 0.) || + ((proj_parm.m = pj_param(par.params, "dm").f) <= 0.)) + BOOST_THROW_EXCEPTION( projection_exception(-39) ); + else { + proj_parm.theta = pj_param(par.params, "rtheta").f; + proj_parm.sp0 = sin(par.phi0); + proj_parm.cp0 = cos(par.phi0); + proj_parm.rn = 1./ proj_parm.n; + proj_parm.rm = 1./ proj_parm.m; + proj_parm.two_r_n = 2. * proj_parm.rn; + proj_parm.two_r_m = 2. * proj_parm.rm; + proj_parm.hm = 0.5 * proj_parm.m; + proj_parm.hn = 0.5 * proj_parm.n; + par.es = 0.; + } + } + + }} // namespace detail::oea + #endif // doxygen + + /*! + \brief Oblated Equal Area projection + \ingroup projections + \tparam Geographic latlong point type + \tparam Cartesian xy point type + \tparam Parameters parameter type + \par Projection characteristics + - Miscellaneous + - Spheroid + \par Projection parameters + - n (real) + - m (real) + - theta: Theta (degrees) + \par Example + \image html ex_oea.gif + */ + template <typename CalculationType, typename Parameters> + struct oea_spheroid : public detail::oea::base_oea_spheroid<CalculationType, Parameters> + { + inline oea_spheroid(const Parameters& par) : detail::oea::base_oea_spheroid<CalculationType, Parameters>(par) + { + detail::oea::setup_oea(this->m_par, this->m_proj_parm); + } + }; + + #ifndef DOXYGEN_NO_DETAIL + namespace detail + { + + // Static projection + BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::par4::oea, oea_spheroid, oea_spheroid) + + // Factory entry(s) + template <typename CalculationType, typename Parameters> + class oea_entry : public detail::factory_entry<CalculationType, Parameters> + { + public : + virtual base_v<CalculationType, Parameters>* create_new(const Parameters& par) const + { + return new base_v_fi<oea_spheroid<CalculationType, Parameters>, CalculationType, Parameters>(par); + } + }; + + template <typename CalculationType, typename Parameters> + inline void oea_init(detail::base_factory<CalculationType, Parameters>& factory) + { + factory.add_to_factory("oea", new oea_entry<CalculationType, Parameters>); + } + + } // namespace detail + #endif // doxygen + +} // namespace projections + +}} // namespace boost::geometry + +#endif // BOOST_GEOMETRY_PROJECTIONS_OEA_HPP + |