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Diffstat (limited to 'boost/geometry/srs/projections/proj/moll.hpp')
| -rw-r--r-- | boost/geometry/srs/projections/proj/moll.hpp | 294 |
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diff --git a/boost/geometry/srs/projections/proj/moll.hpp b/boost/geometry/srs/projections/proj/moll.hpp new file mode 100644 index 0000000000..6f02c7dea0 --- /dev/null +++ b/boost/geometry/srs/projections/proj/moll.hpp @@ -0,0 +1,294 @@ +#ifndef BOOST_GEOMETRY_PROJECTIONS_MOLL_HPP +#define BOOST_GEOMETRY_PROJECTIONS_MOLL_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 moll {}; + struct wag4 {}; + struct wag5 {}; + +}} //namespace srs::par4 + +namespace projections +{ + #ifndef DOXYGEN_NO_DETAIL + namespace detail { namespace moll + { + + static const int MAX_ITER = 10; + static const double LOOP_TOL = 1e-7; + + template <typename T> + struct par_moll + { + T C_x, C_y, C_p; + }; + + // template class, using CRTP to implement forward/inverse + template <typename CalculationType, typename Parameters> + struct base_moll_spheroid : public base_t_fi<base_moll_spheroid<CalculationType, Parameters>, + CalculationType, Parameters> + { + + typedef CalculationType geographic_type; + typedef CalculationType cartesian_type; + + par_moll<CalculationType> m_proj_parm; + + inline base_moll_spheroid(const Parameters& par) + : base_t_fi<base_moll_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 HALFPI = detail::HALFPI<CalculationType>(); + + CalculationType k, V; + int i; + + k = this->m_proj_parm.C_p * sin(lp_lat); + for (i = MAX_ITER; i ; --i) { + lp_lat -= V = (lp_lat + sin(lp_lat) - k) / + (1. + cos(lp_lat)); + if (fabs(V) < LOOP_TOL) + break; + } + if (!i) + lp_lat = (lp_lat < 0.) ? -HALFPI : HALFPI; + else + lp_lat *= 0.5; + xy_x = this->m_proj_parm.C_x * lp_lon * cos(lp_lat); + xy_y = this->m_proj_parm.C_y * sin(lp_lat); + } + + // 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 + { + lp_lat = aasin(xy_y / this->m_proj_parm.C_y); + lp_lon = xy_x / (this->m_proj_parm.C_x * cos(lp_lat)); + lp_lat += lp_lat; + lp_lat = aasin((lp_lat + sin(lp_lat)) / this->m_proj_parm.C_p); + } + + static inline std::string get_name() + { + return "moll_spheroid"; + } + + }; + + template <typename Parameters, typename T> + inline void setup(Parameters& par, par_moll<T>& proj_parm, T const& p) + { + T r, sp, p2 = p + p; + + par.es = 0; + sp = sin(p); + r = sqrt(geometry::math::two_pi<T>() * sp / (p2 + sin(p2))); + proj_parm.C_x = 2. * r / geometry::math::pi<T>(); + proj_parm.C_y = r / sp; + proj_parm.C_p = p2 + sin(p2); + } + + + // Mollweide + template <typename Parameters, typename T> + inline void setup_moll(Parameters& par, par_moll<T>& proj_parm) + { + setup(par, proj_parm, geometry::math::half_pi<T>()); + } + + // Wagner IV + template <typename Parameters, typename T> + inline void setup_wag4(Parameters& par, par_moll<T>& proj_parm) + { + setup(par, proj_parm, geometry::math::pi<T>()/3.); + } + + // Wagner V + template <typename Parameters, typename T> + inline void setup_wag5(Parameters& par, par_moll<T>& proj_parm) + { + par.es = 0; + proj_parm.C_x = 0.90977; + proj_parm.C_y = 1.65014; + proj_parm.C_p = 3.00896; + } + + }} // namespace detail::moll + #endif // doxygen + + /*! + \brief Mollweide projection + \ingroup projections + \tparam Geographic latlong point type + \tparam Cartesian xy point type + \tparam Parameters parameter type + \par Projection characteristics + - Pseudocylindrical + - Spheroid + \par Example + \image html ex_moll.gif + */ + template <typename CalculationType, typename Parameters> + struct moll_spheroid : public detail::moll::base_moll_spheroid<CalculationType, Parameters> + { + inline moll_spheroid(const Parameters& par) : detail::moll::base_moll_spheroid<CalculationType, Parameters>(par) + { + detail::moll::setup_moll(this->m_par, this->m_proj_parm); + } + }; + + /*! + \brief Wagner IV projection + \ingroup projections + \tparam Geographic latlong point type + \tparam Cartesian xy point type + \tparam Parameters parameter type + \par Projection characteristics + - Pseudocylindrical + - Spheroid + \par Example + \image html ex_wag4.gif + */ + template <typename CalculationType, typename Parameters> + struct wag4_spheroid : public detail::moll::base_moll_spheroid<CalculationType, Parameters> + { + inline wag4_spheroid(const Parameters& par) : detail::moll::base_moll_spheroid<CalculationType, Parameters>(par) + { + detail::moll::setup_wag4(this->m_par, this->m_proj_parm); + } + }; + + /*! + \brief Wagner V projection + \ingroup projections + \tparam Geographic latlong point type + \tparam Cartesian xy point type + \tparam Parameters parameter type + \par Projection characteristics + - Pseudocylindrical + - Spheroid + \par Example + \image html ex_wag5.gif + */ + template <typename CalculationType, typename Parameters> + struct wag5_spheroid : public detail::moll::base_moll_spheroid<CalculationType, Parameters> + { + inline wag5_spheroid(const Parameters& par) : detail::moll::base_moll_spheroid<CalculationType, Parameters>(par) + { + detail::moll::setup_wag5(this->m_par, this->m_proj_parm); + } + }; + + #ifndef DOXYGEN_NO_DETAIL + namespace detail + { + + // Static projection + BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::par4::moll, moll_spheroid, moll_spheroid) + BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::par4::wag4, wag4_spheroid, wag4_spheroid) + BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::par4::wag5, wag5_spheroid, wag5_spheroid) + + // Factory entry(s) + template <typename CalculationType, typename Parameters> + class moll_entry : public detail::factory_entry<CalculationType, Parameters> + { + public : + virtual base_v<CalculationType, Parameters>* create_new(const Parameters& par) const + { + return new base_v_fi<moll_spheroid<CalculationType, Parameters>, CalculationType, Parameters>(par); + } + }; + + template <typename CalculationType, typename Parameters> + class wag4_entry : public detail::factory_entry<CalculationType, Parameters> + { + public : + virtual base_v<CalculationType, Parameters>* create_new(const Parameters& par) const + { + return new base_v_fi<wag4_spheroid<CalculationType, Parameters>, CalculationType, Parameters>(par); + } + }; + + template <typename CalculationType, typename Parameters> + class wag5_entry : public detail::factory_entry<CalculationType, Parameters> + { + public : + virtual base_v<CalculationType, Parameters>* create_new(const Parameters& par) const + { + return new base_v_fi<wag5_spheroid<CalculationType, Parameters>, CalculationType, Parameters>(par); + } + }; + + template <typename CalculationType, typename Parameters> + inline void moll_init(detail::base_factory<CalculationType, Parameters>& factory) + { + factory.add_to_factory("moll", new moll_entry<CalculationType, Parameters>); + factory.add_to_factory("wag4", new wag4_entry<CalculationType, Parameters>); + factory.add_to_factory("wag5", new wag5_entry<CalculationType, Parameters>); + } + + } // namespace detail + #endif // doxygen + +} // namespace projections + +}} // namespace boost::geometry + +#endif // BOOST_GEOMETRY_PROJECTIONS_MOLL_HPP + |