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Diffstat (limited to 'boost/geometry/srs/projections/proj/somerc.hpp')
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diff --git a/boost/geometry/srs/projections/proj/somerc.hpp b/boost/geometry/srs/projections/proj/somerc.hpp new file mode 100644 index 0000000000..e67d09719e --- /dev/null +++ b/boost/geometry/srs/projections/proj/somerc.hpp @@ -0,0 +1,227 @@ +#ifndef BOOST_GEOMETRY_PROJECTIONS_SOMERC_HPP +#define BOOST_GEOMETRY_PROJECTIONS_SOMERC_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/geometry/util/math.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 somerc {}; + +}} //namespace srs::par4 + +namespace projections +{ + #ifndef DOXYGEN_NO_DETAIL + namespace detail { namespace somerc + { + static const double EPS = 1.e-10; + static const int NITER = 6; + + template <typename T> + struct par_somerc + { + T K, c, hlf_e, kR, cosp0, sinp0; + }; + + // template class, using CRTP to implement forward/inverse + template <typename CalculationType, typename Parameters> + struct base_somerc_ellipsoid : public base_t_fi<base_somerc_ellipsoid<CalculationType, Parameters>, + CalculationType, Parameters> + { + + typedef CalculationType geographic_type; + typedef CalculationType cartesian_type; + + par_somerc<CalculationType> m_proj_parm; + + inline base_somerc_ellipsoid(const Parameters& par) + : base_t_fi<base_somerc_ellipsoid<CalculationType, Parameters>, + CalculationType, Parameters>(*this, par) {} + + // FORWARD(e_forward) + // 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 + { + static const CalculationType FORTPI = detail::FORTPI<CalculationType>(); + static const CalculationType HALFPI = detail::HALFPI<CalculationType>(); + + CalculationType phip, lamp, phipp, lampp, sp, cp; + + sp = this->m_par.e * sin(lp_lat); + phip = 2.* atan( exp( this->m_proj_parm.c * ( + log(tan(FORTPI + 0.5 * lp_lat)) - this->m_proj_parm.hlf_e * log((1. + sp)/(1. - sp))) + + this->m_proj_parm.K)) - HALFPI; + lamp = this->m_proj_parm.c * lp_lon; + cp = cos(phip); + phipp = aasin(this->m_proj_parm.cosp0 * sin(phip) - this->m_proj_parm.sinp0 * cp * cos(lamp)); + lampp = aasin(cp * sin(lamp) / cos(phipp)); + xy_x = this->m_proj_parm.kR * lampp; + xy_y = this->m_proj_parm.kR * log(tan(FORTPI + 0.5 * phipp)); + } + + // INVERSE(e_inverse) ellipsoid & spheroid + // 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 + { + static const CalculationType FORTPI = detail::FORTPI<CalculationType>(); + + CalculationType phip, lamp, phipp, lampp, cp, esp, con, delp; + int i; + + phipp = 2. * (atan(exp(xy_y / this->m_proj_parm.kR)) - FORTPI); + lampp = xy_x / this->m_proj_parm.kR; + cp = cos(phipp); + phip = aasin(this->m_proj_parm.cosp0 * sin(phipp) + this->m_proj_parm.sinp0 * cp * cos(lampp)); + lamp = aasin(cp * sin(lampp) / cos(phip)); + con = (this->m_proj_parm.K - log(tan(FORTPI + 0.5 * phip)))/this->m_proj_parm.c; + for (i = NITER; i ; --i) { + esp = this->m_par.e * sin(phip); + delp = (con + log(tan(FORTPI + 0.5 * phip)) - this->m_proj_parm.hlf_e * + log((1. + esp)/(1. - esp)) ) * + (1. - esp * esp) * cos(phip) * this->m_par.rone_es; + phip -= delp; + if (fabs(delp) < EPS) + break; + } + if (i) { + lp_lat = phip; + lp_lon = lamp / this->m_proj_parm.c; + } else + BOOST_THROW_EXCEPTION( projection_exception(-20) ); + } + + static inline std::string get_name() + { + return "somerc_ellipsoid"; + } + + }; + + // Swiss. Obl. Mercator + template <typename Parameters, typename T> + inline void setup_somerc(Parameters& par, par_somerc<T>& proj_parm) + { + static const T FORTPI = detail::FORTPI<T>(); + + T cp, phip0, sp; + + proj_parm.hlf_e = 0.5 * par.e; + cp = cos(par.phi0); + cp *= cp; + proj_parm.c = sqrt(1 + par.es * cp * cp * par.rone_es); + sp = sin(par.phi0); + proj_parm.cosp0 = cos( phip0 = aasin(proj_parm.sinp0 = sp / proj_parm.c) ); + sp *= par.e; + proj_parm.K = log(tan(FORTPI + 0.5 * phip0)) - proj_parm.c * ( + log(tan(FORTPI + 0.5 * par.phi0)) - proj_parm.hlf_e * + log((1. + sp) / (1. - sp))); + proj_parm.kR = par.k0 * sqrt(par.one_es) / (1. - sp * sp); + } + + }} // namespace detail::somerc + #endif // doxygen + + /*! + \brief Swiss. Obl. Mercator projection + \ingroup projections + \tparam Geographic latlong point type + \tparam Cartesian xy point type + \tparam Parameters parameter type + \par Projection characteristics + - Cylindrical + - Ellipsoid + - For CH1903 + \par Example + \image html ex_somerc.gif + */ + template <typename CalculationType, typename Parameters> + struct somerc_ellipsoid : public detail::somerc::base_somerc_ellipsoid<CalculationType, Parameters> + { + inline somerc_ellipsoid(const Parameters& par) : detail::somerc::base_somerc_ellipsoid<CalculationType, Parameters>(par) + { + detail::somerc::setup_somerc(this->m_par, this->m_proj_parm); + } + }; + + #ifndef DOXYGEN_NO_DETAIL + namespace detail + { + + // Static projection + BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::par4::somerc, somerc_ellipsoid, somerc_ellipsoid) + + // Factory entry(s) + template <typename CalculationType, typename Parameters> + class somerc_entry : public detail::factory_entry<CalculationType, Parameters> + { + public : + virtual base_v<CalculationType, Parameters>* create_new(const Parameters& par) const + { + return new base_v_fi<somerc_ellipsoid<CalculationType, Parameters>, CalculationType, Parameters>(par); + } + }; + + template <typename CalculationType, typename Parameters> + inline void somerc_init(detail::base_factory<CalculationType, Parameters>& factory) + { + factory.add_to_factory("somerc", new somerc_entry<CalculationType, Parameters>); + } + + } // namespace detail + #endif // doxygen + +} // namespace projections + +}} // namespace boost::geometry + +#endif // BOOST_GEOMETRY_PROJECTIONS_SOMERC_HPP + |