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Diffstat (limited to 'boost/geometry/srs/projections/proj/geos.hpp')
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diff --git a/boost/geometry/srs/projections/proj/geos.hpp b/boost/geometry/srs/projections/proj/geos.hpp new file mode 100644 index 0000000000..798f7f6247 --- /dev/null +++ b/boost/geometry/srs/projections/proj/geos.hpp @@ -0,0 +1,377 @@ +#ifndef BOOST_GEOMETRY_PROJECTIONS_GEOS_HPP +#define BOOST_GEOMETRY_PROJECTIONS_GEOS_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: + +// Copyright (c) 2004 Gerald I. Evenden +// Copyright (c) 2012 Martin Raspaud +// See also (section 4.4.3.2): +// http://www.eumetsat.int/en/area4/msg/news/us_doc/cgms_03_26.pdf + +// 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> + +namespace boost { namespace geometry +{ + +namespace srs { namespace par4 +{ + struct geos {}; + +}} //namespace srs::par4 + +namespace projections +{ + #ifndef DOXYGEN_NO_DETAIL + namespace detail { namespace geos + { + template <typename T> + struct par_geos + { + T h; + T radius_p; + T radius_p2; + T radius_p_inv2; + T radius_g; + T radius_g_1; + T C; + std::string sweep_axis; + int flip_axis; + }; + + // template class, using CRTP to implement forward/inverse + template <typename CalculationType, typename Parameters> + struct base_geos_ellipsoid : public base_t_fi<base_geos_ellipsoid<CalculationType, Parameters>, + CalculationType, Parameters> + { + + typedef CalculationType geographic_type; + typedef CalculationType cartesian_type; + + par_geos<CalculationType> m_proj_parm; + + inline base_geos_ellipsoid(const Parameters& par) + : base_t_fi<base_geos_ellipsoid<CalculationType, Parameters>, + CalculationType, Parameters>(*this, par) {} + + // FORWARD(e_forward) ellipsoid + // 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 r, Vx, Vy, Vz, tmp; + + /* Calculation of geocentric latitude. */ + lp_lat = atan (this->m_proj_parm.radius_p2 * tan (lp_lat)); + /* Calculation of the three components of the vector from satellite to + ** position on earth surface (lon,lat).*/ + r = (this->m_proj_parm.radius_p) / boost::math::hypot(this->m_proj_parm.radius_p * cos (lp_lat), sin (lp_lat)); + Vx = r * cos (lp_lon) * cos (lp_lat); + Vy = r * sin (lp_lon) * cos (lp_lat); + Vz = r * sin (lp_lat); + /* Check visibility. */ + if (((this->m_proj_parm.radius_g - Vx) * Vx - Vy * Vy - Vz * Vz * this->m_proj_parm.radius_p_inv2) < 0.) + BOOST_THROW_EXCEPTION( projection_exception(-20) ); + /* Calculation based on view angles from satellite. */ + tmp = this->m_proj_parm.radius_g - Vx; + if(this->m_proj_parm.flip_axis) + { + xy_x = this->m_proj_parm.radius_g_1 * atan (Vy / boost::math::hypot (Vz, tmp)); + xy_y = this->m_proj_parm.radius_g_1 * atan (Vz / tmp); + } + else + { + xy_x = this->m_proj_parm.radius_g_1 * atan (Vy / tmp); + xy_y = this->m_proj_parm.radius_g_1 * atan (Vz / boost::math::hypot (Vy, tmp)); + } + } + + // INVERSE(e_inverse) ellipsoid + // 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 Vx, Vy, Vz, a, b, det, k; + + /* Setting three components of vector from satellite to position.*/ + Vx = -1.0; + if(this->m_proj_parm.flip_axis) + { + Vz = tan (xy_y / this->m_proj_parm.radius_g_1); + Vy = tan (xy_x / this->m_proj_parm.radius_g_1) * boost::math::hypot(1.0, Vz); + } + else + { + Vy = tan (xy_x / this->m_proj_parm.radius_g_1); + Vz = tan (xy_y / this->m_proj_parm.radius_g_1) * boost::math::hypot(1.0, Vy); + } + /* Calculation of terms in cubic equation and determinant.*/ + a = Vz / this->m_proj_parm.radius_p; + a = Vy * Vy + a * a + Vx * Vx; + b = 2 * this->m_proj_parm.radius_g * Vx; + if ((det = (b * b) - 4 * a * this->m_proj_parm.C) < 0.) + BOOST_THROW_EXCEPTION( projection_exception(-20) ); + /* Calculation of three components of vector from satellite to position.*/ + k = (-b - sqrt(det)) / (2. * a); + Vx = this->m_proj_parm.radius_g + k * Vx; + Vy *= k; + Vz *= k; + /* Calculation of longitude and latitude.*/ + lp_lon = atan2 (Vy, Vx); + lp_lat = atan (Vz * cos (lp_lon) / Vx); + lp_lat = atan (this->m_proj_parm.radius_p_inv2 * tan (lp_lat)); + } + + static inline std::string get_name() + { + return "geos_ellipsoid"; + } + + }; + + // template class, using CRTP to implement forward/inverse + template <typename CalculationType, typename Parameters> + struct base_geos_spheroid : public base_t_fi<base_geos_spheroid<CalculationType, Parameters>, + CalculationType, Parameters> + { + + typedef CalculationType geographic_type; + typedef CalculationType cartesian_type; + + par_geos<CalculationType> m_proj_parm; + + inline base_geos_spheroid(const Parameters& par) + : base_t_fi<base_geos_spheroid<CalculationType, Parameters>, + CalculationType, Parameters>(*this, par) {} + + // FORWARD(s_forward) spheroid + // 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 Vx, Vy, Vz, tmp; + + /* Calculation of the three components of the vector from satellite to + ** position on earth surface (lon,lat).*/ + tmp = cos(lp_lat); + Vx = cos (lp_lon) * tmp; + Vy = sin (lp_lon) * tmp; + Vz = sin (lp_lat); + /* Check visibility.*/ + if (((this->m_proj_parm.radius_g - Vx) * Vx - Vy * Vy - Vz * Vz) < 0.) + BOOST_THROW_EXCEPTION( projection_exception(-20) ); + /* Calculation based on view angles from satellite.*/ + tmp = this->m_proj_parm.radius_g - Vx; + if(this->m_proj_parm.flip_axis) + { + xy_x = this->m_proj_parm.radius_g_1 * atan(Vy / boost::math::hypot(Vz, tmp)); + xy_y = this->m_proj_parm.radius_g_1 * atan(Vz / tmp); + } + else + { + xy_x = this->m_proj_parm.radius_g_1 * atan(Vy / tmp); + xy_y = this->m_proj_parm.radius_g_1 * atan(Vz / boost::math::hypot(Vy, tmp)); + } + } + + // INVERSE(s_inverse) 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 + { + CalculationType Vx, Vy, Vz, a, b, det, k; + + /* Setting three components of vector from satellite to position.*/ + Vx = -1.0; + if(this->m_proj_parm.flip_axis) + { + Vz = tan (xy_y / (this->m_proj_parm.radius_g - 1.0)); + Vy = tan (xy_x / (this->m_proj_parm.radius_g - 1.0)) * sqrt (1.0 + Vz * Vz); + } + else + { + Vy = tan (xy_x / (this->m_proj_parm.radius_g - 1.0)); + Vz = tan (xy_y / (this->m_proj_parm.radius_g - 1.0)) * sqrt (1.0 + Vy * Vy); + } + /* Calculation of terms in cubic equation and determinant.*/ + a = Vy * Vy + Vz * Vz + Vx * Vx; + b = 2 * this->m_proj_parm.radius_g * Vx; + if ((det = (b * b) - 4 * a * this->m_proj_parm.C) < 0.) + BOOST_THROW_EXCEPTION( projection_exception(-20) ); + /* Calculation of three components of vector from satellite to position.*/ + k = (-b - sqrt(det)) / (2 * a); + Vx = this->m_proj_parm.radius_g + k * Vx; + Vy *= k; + Vz *= k; + /* Calculation of longitude and latitude.*/ + lp_lon = atan2 (Vy, Vx); + lp_lat = atan (Vz * cos (lp_lon) / Vx); + } + + static inline std::string get_name() + { + return "geos_spheroid"; + } + + }; + + // Geostationary Satellite View + template <typename Parameters, typename T> + inline void setup_geos(Parameters& par, par_geos<T>& proj_parm) + { + if ((proj_parm.h = pj_param(par.params, "dh").f) <= 0.) + BOOST_THROW_EXCEPTION( projection_exception(-30) ); + if (par.phi0) + BOOST_THROW_EXCEPTION( projection_exception(-46) ); + proj_parm.sweep_axis = pj_param(par.params, "ssweep").s; + if (proj_parm.sweep_axis.empty()) + proj_parm.flip_axis = 0; + else { + if (proj_parm.sweep_axis[1] != '\0' || + (proj_parm.sweep_axis[0] != 'x' && + proj_parm.sweep_axis[0] != 'y')) + BOOST_THROW_EXCEPTION( projection_exception(-49) ); + if (proj_parm.sweep_axis[0] == 'x') + proj_parm.flip_axis = 1; + else + proj_parm.flip_axis = 0; + } + proj_parm.radius_g_1 = proj_parm.h / par.a; + proj_parm.radius_g = 1. + proj_parm.radius_g_1; + proj_parm.C = proj_parm.radius_g * proj_parm.radius_g - 1.0; + if (par.es) { + proj_parm.radius_p = sqrt (par.one_es); + proj_parm.radius_p2 = par.one_es; + proj_parm.radius_p_inv2 = par.rone_es; + } else { + proj_parm.radius_p = proj_parm.radius_p2 = proj_parm.radius_p_inv2 = 1.0; + } + } + + }} // namespace detail::geos + #endif // doxygen + + /*! + \brief Geostationary Satellite View projection + \ingroup projections + \tparam Geographic latlong point type + \tparam Cartesian xy point type + \tparam Parameters parameter type + \par Projection characteristics + - Azimuthal + - Spheroid + - Ellipsoid + \par Projection parameters + - h: Height (real) + - sweep: Sweep axis ('x' or 'y') (string) + \par Example + \image html ex_geos.gif + */ + template <typename CalculationType, typename Parameters> + struct geos_ellipsoid : public detail::geos::base_geos_ellipsoid<CalculationType, Parameters> + { + inline geos_ellipsoid(const Parameters& par) : detail::geos::base_geos_ellipsoid<CalculationType, Parameters>(par) + { + detail::geos::setup_geos(this->m_par, this->m_proj_parm); + } + }; + + /*! + \brief Geostationary Satellite View projection + \ingroup projections + \tparam Geographic latlong point type + \tparam Cartesian xy point type + \tparam Parameters parameter type + \par Projection characteristics + - Azimuthal + - Spheroid + - Ellipsoid + \par Projection parameters + - h: Height (real) + - sweep: Sweep axis ('x' or 'y') (string) + \par Example + \image html ex_geos.gif + */ + template <typename CalculationType, typename Parameters> + struct geos_spheroid : public detail::geos::base_geos_spheroid<CalculationType, Parameters> + { + inline geos_spheroid(const Parameters& par) : detail::geos::base_geos_spheroid<CalculationType, Parameters>(par) + { + detail::geos::setup_geos(this->m_par, this->m_proj_parm); + } + }; + + #ifndef DOXYGEN_NO_DETAIL + namespace detail + { + + // Static projection + BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::par4::geos, geos_spheroid, geos_ellipsoid) + + // Factory entry(s) + template <typename CalculationType, typename Parameters> + class geos_entry : public detail::factory_entry<CalculationType, Parameters> + { + public : + virtual base_v<CalculationType, Parameters>* create_new(const Parameters& par) const + { + if (par.es) + return new base_v_fi<geos_ellipsoid<CalculationType, Parameters>, CalculationType, Parameters>(par); + else + return new base_v_fi<geos_spheroid<CalculationType, Parameters>, CalculationType, Parameters>(par); + } + }; + + template <typename CalculationType, typename Parameters> + inline void geos_init(detail::base_factory<CalculationType, Parameters>& factory) + { + factory.add_to_factory("geos", new geos_entry<CalculationType, Parameters>); + } + + } // namespace detail + #endif // doxygen + +} // namespace projections + +}} // namespace boost::geometry + +#endif // BOOST_GEOMETRY_PROJECTIONS_GEOS_HPP + |