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Diffstat (limited to 'boost/geometry/srs/projections/proj/ocea.hpp')
| -rw-r--r-- | boost/geometry/srs/projections/proj/ocea.hpp | 231 |
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diff --git a/boost/geometry/srs/projections/proj/ocea.hpp b/boost/geometry/srs/projections/proj/ocea.hpp new file mode 100644 index 0000000000..4b8da5be6e --- /dev/null +++ b/boost/geometry/srs/projections/proj/ocea.hpp @@ -0,0 +1,231 @@ +#ifndef BOOST_GEOMETRY_PROJECTIONS_OCEA_HPP +#define BOOST_GEOMETRY_PROJECTIONS_OCEA_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> + +namespace boost { namespace geometry +{ + +namespace srs { namespace par4 +{ + struct ocea {}; + +}} //namespace srs::par4 + +namespace projections +{ + #ifndef DOXYGEN_NO_DETAIL + namespace detail { namespace ocea + { + template <typename T> + struct par_ocea + { + T rok; + T rtk; + T sinphi; + T cosphi; + T singam; + T cosgam; + }; + + // template class, using CRTP to implement forward/inverse + template <typename CalculationType, typename Parameters> + struct base_ocea_spheroid : public base_t_fi<base_ocea_spheroid<CalculationType, Parameters>, + CalculationType, Parameters> + { + + typedef CalculationType geographic_type; + typedef CalculationType cartesian_type; + + par_ocea<CalculationType> m_proj_parm; + + inline base_ocea_spheroid(const Parameters& par) + : base_t_fi<base_ocea_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 + { + static const CalculationType ONEPI = detail::ONEPI<CalculationType>(); + + CalculationType t; + + xy_y = sin(lp_lon); + /* + xy_x = atan2((tan(lp_lat) * this->m_proj_parm.cosphi + this->m_proj_parm.sinphi * xy_y) , cos(lp_lon)); + */ + t = cos(lp_lon); + xy_x = atan((tan(lp_lat) * this->m_proj_parm.cosphi + this->m_proj_parm.sinphi * xy_y) / t); + if (t < 0.) + xy_x += ONEPI; + xy_x *= this->m_proj_parm.rtk; + xy_y = this->m_proj_parm.rok * (this->m_proj_parm.sinphi * sin(lp_lat) - this->m_proj_parm.cosphi * cos(lp_lat) * xy_y); + } + + // 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 t, s; + + xy_y /= this->m_proj_parm.rok; + xy_x /= this->m_proj_parm.rtk; + t = sqrt(1. - xy_y * xy_y); + lp_lat = asin(xy_y * this->m_proj_parm.sinphi + t * this->m_proj_parm.cosphi * (s = sin(xy_x))); + lp_lon = atan2(t * this->m_proj_parm.sinphi * s - xy_y * this->m_proj_parm.cosphi, + t * cos(xy_x)); + } + + static inline std::string get_name() + { + return "ocea_spheroid"; + } + + }; + + // Oblique Cylindrical Equal Area + template <typename Parameters, typename T> + inline void setup_ocea(Parameters& par, par_ocea<T>& proj_parm) + { + static const T HALFPI = detail::HALFPI<T>(); + + T phi_0=0.0, phi_1, phi_2, lam_1, lam_2, lonz, alpha; + + proj_parm.rok = 1. / par.k0; + proj_parm.rtk = par.k0; + if ( pj_param(par.params, "talpha").i) { + alpha = pj_param(par.params, "ralpha").f; + lonz = pj_param(par.params, "rlonc").f; + proj_parm.singam = atan(-cos(alpha)/(-sin(phi_0) * sin(alpha))) + lonz; + proj_parm.sinphi = asin(cos(phi_0) * sin(alpha)); + } else { + phi_1 = pj_param(par.params, "rlat_1").f; + phi_2 = pj_param(par.params, "rlat_2").f; + lam_1 = pj_param(par.params, "rlon_1").f; + lam_2 = pj_param(par.params, "rlon_2").f; + proj_parm.singam = atan2(cos(phi_1) * sin(phi_2) * cos(lam_1) - + sin(phi_1) * cos(phi_2) * cos(lam_2), + sin(phi_1) * cos(phi_2) * sin(lam_2) - + cos(phi_1) * sin(phi_2) * sin(lam_1) ); + if (lam_1 == -HALFPI) + proj_parm.singam = -proj_parm.singam; + proj_parm.sinphi = atan(-cos(proj_parm.singam - lam_1) / tan(phi_1)); + } + par.lam0 = proj_parm.singam + HALFPI; + proj_parm.cosphi = cos(proj_parm.sinphi); + proj_parm.sinphi = sin(proj_parm.sinphi); + proj_parm.cosgam = cos(proj_parm.singam); + proj_parm.singam = sin(proj_parm.singam); + par.es = 0.; + } + + }} // namespace detail::ocea + #endif // doxygen + + /*! + \brief Oblique Cylindrical Equal Area projection + \ingroup projections + \tparam Geographic latlong point type + \tparam Cartesian xy point type + \tparam Parameters parameter type + \par Projection characteristics + - Cylindrical + - Spheroid + \par Projection parameters + - lonc: Longitude (only used if alpha (or gamma) is specified) (degrees) + - alpha: Alpha (degrees) + - lat_1: Latitude of first standard parallel (degrees) + - lat_2: Latitude of second standard parallel (degrees) + - lon_1 (degrees) + - lon_2 (degrees) + \par Example + \image html ex_ocea.gif + */ + template <typename CalculationType, typename Parameters> + struct ocea_spheroid : public detail::ocea::base_ocea_spheroid<CalculationType, Parameters> + { + inline ocea_spheroid(const Parameters& par) : detail::ocea::base_ocea_spheroid<CalculationType, Parameters>(par) + { + detail::ocea::setup_ocea(this->m_par, this->m_proj_parm); + } + }; + + #ifndef DOXYGEN_NO_DETAIL + namespace detail + { + + // Static projection + BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::par4::ocea, ocea_spheroid, ocea_spheroid) + + // Factory entry(s) + template <typename CalculationType, typename Parameters> + class ocea_entry : public detail::factory_entry<CalculationType, Parameters> + { + public : + virtual base_v<CalculationType, Parameters>* create_new(const Parameters& par) const + { + return new base_v_fi<ocea_spheroid<CalculationType, Parameters>, CalculationType, Parameters>(par); + } + }; + + template <typename CalculationType, typename Parameters> + inline void ocea_init(detail::base_factory<CalculationType, Parameters>& factory) + { + factory.add_to_factory("ocea", new ocea_entry<CalculationType, Parameters>); + } + + } // namespace detail + #endif // doxygen + +} // namespace projections + +}} // namespace boost::geometry + +#endif // BOOST_GEOMETRY_PROJECTIONS_OCEA_HPP + |