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Diffstat (limited to 'boost/geometry/srs/projections/proj/lcca.hpp')
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diff --git a/boost/geometry/srs/projections/proj/lcca.hpp b/boost/geometry/srs/projections/proj/lcca.hpp new file mode 100644 index 0000000000..a1a2069d8f --- /dev/null +++ b/boost/geometry/srs/projections/proj/lcca.hpp @@ -0,0 +1,231 @@ +#ifndef BOOST_GEOMETRY_PROJECTIONS_LCCA_HPP +#define BOOST_GEOMETRY_PROJECTIONS_LCCA_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/core/ignore_unused.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/pj_mlfn.hpp> + +namespace boost { namespace geometry +{ + +namespace srs { namespace par4 +{ + struct lcca {}; + +}} //namespace srs::par4 + +namespace projections +{ + #ifndef DOXYGEN_NO_DETAIL + namespace detail { namespace lcca + { + + static const int MAX_ITER = 10; + static const double DEL_TOL = 1e-12; + + template <typename T> + struct par_lcca + { + T en[EN_SIZE]; + T r0, l, M0; + T C; + }; + + template <typename T> /* func to compute dr */ + inline T fS(T const& S, T const& C) + { + return(S * ( 1. + S * S * C)); + } + + template <typename T> /* deriv of fs */ + inline T fSp(T const& S, T const& C) + { + return(1. + 3.* S * S * C); + } + + // template class, using CRTP to implement forward/inverse + template <typename CalculationType, typename Parameters> + struct base_lcca_ellipsoid : public base_t_fi<base_lcca_ellipsoid<CalculationType, Parameters>, + CalculationType, Parameters> + { + + typedef CalculationType geographic_type; + typedef CalculationType cartesian_type; + + par_lcca<CalculationType> m_proj_parm; + + inline base_lcca_ellipsoid(const Parameters& par) + : base_t_fi<base_lcca_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 S, r, dr; + + S = pj_mlfn(lp_lat, sin(lp_lat), cos(lp_lat), this->m_proj_parm.en) - this->m_proj_parm.M0; + dr = fS(S, this->m_proj_parm.C); + r = this->m_proj_parm.r0 - dr; + xy_x = this->m_par.k0 * (r * sin( lp_lon *= this->m_proj_parm.l ) ); + xy_y = this->m_par.k0 * (this->m_proj_parm.r0 - r * cos(lp_lon) ); + } + + // 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 + { + CalculationType theta, dr, S, dif; + int i; + + xy_x /= this->m_par.k0; + xy_y /= this->m_par.k0; + theta = atan2(xy_x , this->m_proj_parm.r0 - xy_y); + dr = xy_y - xy_x * tan(0.5 * theta); + lp_lon = theta / this->m_proj_parm.l; + S = dr; + for (i = MAX_ITER; i ; --i) { + S -= (dif = (fS(S, this->m_proj_parm.C) - dr) / fSp(S, this->m_proj_parm.C)); + if (fabs(dif) < DEL_TOL) break; + } + if (!i) + BOOST_THROW_EXCEPTION( projection_exception(-20) ); + lp_lat = pj_inv_mlfn(S + this->m_proj_parm.M0, this->m_par.es, this->m_proj_parm.en); + } + + static inline std::string get_name() + { + return "lcca_ellipsoid"; + } + + }; + + // Lambert Conformal Conic Alternative + template <typename Parameters, typename T> + inline void setup_lcca(Parameters& par, par_lcca<T>& proj_parm) + { + T s2p0, N0, R0, tan0, tan20; + + if (!pj_enfn(par.es, proj_parm.en)) + BOOST_THROW_EXCEPTION( projection_exception(0) ); + if (!pj_param(par.params, "tlat_0").i) + BOOST_THROW_EXCEPTION( projection_exception(50) ); + if (par.phi0 == 0.) + BOOST_THROW_EXCEPTION( projection_exception(51) ); + proj_parm.l = sin(par.phi0); + proj_parm.M0 = pj_mlfn(par.phi0, proj_parm.l, cos(par.phi0), proj_parm.en); + s2p0 = proj_parm.l * proj_parm.l; + R0 = 1. / (1. - par.es * s2p0); + N0 = sqrt(R0); + R0 *= par.one_es * N0; + tan0 = tan(par.phi0); + tan20 = tan0 * tan0; + proj_parm.r0 = N0 / tan0; + proj_parm.C = 1. / (6. * R0 * N0); + boost::ignore_unused(tan20); + } + + }} // namespace detail::lcca + #endif // doxygen + + /*! + \brief Lambert Conformal Conic Alternative projection + \ingroup projections + \tparam Geographic latlong point type + \tparam Cartesian xy point type + \tparam Parameters parameter type + \par Projection characteristics + - Conic + - Spheroid + - Ellipsoid + \par Projection parameters + - lat_0: Latitude of origin + \par Example + \image html ex_lcca.gif + */ + template <typename CalculationType, typename Parameters> + struct lcca_ellipsoid : public detail::lcca::base_lcca_ellipsoid<CalculationType, Parameters> + { + inline lcca_ellipsoid(const Parameters& par) : detail::lcca::base_lcca_ellipsoid<CalculationType, Parameters>(par) + { + detail::lcca::setup_lcca(this->m_par, this->m_proj_parm); + } + }; + + #ifndef DOXYGEN_NO_DETAIL + namespace detail + { + + // Static projection + BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::par4::lcca, lcca_ellipsoid, lcca_ellipsoid) + + // Factory entry(s) + template <typename CalculationType, typename Parameters> + class lcca_entry : public detail::factory_entry<CalculationType, Parameters> + { + public : + virtual base_v<CalculationType, Parameters>* create_new(const Parameters& par) const + { + return new base_v_fi<lcca_ellipsoid<CalculationType, Parameters>, CalculationType, Parameters>(par); + } + }; + + template <typename CalculationType, typename Parameters> + inline void lcca_init(detail::base_factory<CalculationType, Parameters>& factory) + { + factory.add_to_factory("lcca", new lcca_entry<CalculationType, Parameters>); + } + + } // namespace detail + #endif // doxygen + +} // namespace projections + +}} // namespace boost::geometry + +#endif // BOOST_GEOMETRY_PROJECTIONS_LCCA_HPP + |