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#ifndef GGL_PROJECTIONS_WINK2_HPP
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#define GGL_PROJECTIONS_WINK2_HPP
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// Generic Geometry Library - projections (based on PROJ4)
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// This file is automatically generated. DO NOT EDIT.
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// Copyright Barend Gehrels (1995-2009), Geodan Holding B.V. Amsterdam, the Netherlands.
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// Copyright Bruno Lalande (2008-2009)
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// This file is converted from PROJ4, http://trac.osgeo.org/proj
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// PROJ4 is originally written by Gerald Evenden (then of the USGS)
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// PROJ4 is maintained by Frank Warmerdam
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// PROJ4 is converted to Geometry Library by Barend Gehrels (Geodan, Amsterdam)
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// Original copyright notice:
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#include <boost/math/special_functions/hypot.hpp>
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#include <ggl/projections/impl/base_static.hpp>
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#include <ggl/projections/impl/base_dynamic.hpp>
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#include <ggl/projections/impl/projects.hpp>
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#include <ggl/projections/impl/factory_entry.hpp>
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namespace ggl { namespace projection
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail { namespace wink2{
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static const int MAX_ITER = 10;
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static const double LOOP_TOL = 1e-7;
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static const double TWO_D_PI = 0.636619772367581343;
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// template class, using CRTP to implement forward/inverse
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template <typename Geographic, typename Cartesian, typename Parameters>
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struct base_wink2_spheroid : public base_t_f<base_wink2_spheroid<Geographic, Cartesian, Parameters>,
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Geographic, Cartesian, Parameters>
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typedef double geographic_type;
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typedef double cartesian_type;
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par_wink2 m_proj_parm;
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inline base_wink2_spheroid(const Parameters& par)
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: base_t_f<base_wink2_spheroid<Geographic, Cartesian, Parameters>,
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Geographic, Cartesian, Parameters>(*this, par) {}
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inline void fwd(geographic_type& lp_lon, geographic_type& lp_lat, cartesian_type& xy_x, cartesian_type& xy_y) const
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xy_y = lp_lat * TWO_D_PI;
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for (i = MAX_ITER; i ; --i) {
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lp_lat -= V = (lp_lat + sin(lp_lat) - k) /
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if (fabs(V) < LOOP_TOL)
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lp_lat = (lp_lat < 0.) ? -HALFPI : HALFPI;
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xy_x = 0.5 * lp_lon * (cos(lp_lat) + this->m_proj_parm.cosphi1);
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xy_y = FORTPI * (sin(lp_lat) + xy_y);
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template <typename Parameters>
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void setup_wink2(Parameters& par, par_wink2& proj_parm)
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proj_parm.cosphi1 = cos(pj_param(par.params, "rlat_1").f);
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// par.fwd = s_forward;
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}} // namespace detail::wink2
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\brief Winkel II projection
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\tparam Geographic latlong point type
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\tparam Cartesian xy point type
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\tparam Parameters parameter type
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\par Projection characteristics
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\image html ex_wink2.gif
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template <typename Geographic, typename Cartesian, typename Parameters = parameters>
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struct wink2_spheroid : public detail::wink2::base_wink2_spheroid<Geographic, Cartesian, Parameters>
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inline wink2_spheroid(const Parameters& par) : detail::wink2::base_wink2_spheroid<Geographic, Cartesian, Parameters>(par)
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detail::wink2::setup_wink2(this->m_par, this->m_proj_parm);
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#ifndef DOXYGEN_NO_DETAIL
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template <typename Geographic, typename Cartesian, typename Parameters>
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class wink2_entry : public detail::factory_entry<Geographic, Cartesian, Parameters>
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virtual projection<Geographic, Cartesian>* create_new(const Parameters& par) const
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return new base_v_f<wink2_spheroid<Geographic, Cartesian, Parameters>, Geographic, Cartesian, Parameters>(par);
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template <typename Geographic, typename Cartesian, typename Parameters>
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inline void wink2_init(detail::base_factory<Geographic, Cartesian, Parameters>& factory)
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factory.add_to_factory("wink2", new wink2_entry<Geographic, Cartesian, Parameters>);
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} // namespace detail
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}} // namespace ggl::projection
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#endif // GGL_PROJECTIONS_WINK2_HPP