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Diffstat (limited to 'boost/geometry/srs/projections/proj/lcc.hpp')
-rw-r--r-- | boost/geometry/srs/projections/proj/lcc.hpp | 282 |
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diff --git a/boost/geometry/srs/projections/proj/lcc.hpp b/boost/geometry/srs/projections/proj/lcc.hpp new file mode 100644 index 0000000000..609c08491c --- /dev/null +++ b/boost/geometry/srs/projections/proj/lcc.hpp @@ -0,0 +1,282 @@ +#ifndef BOOST_GEOMETRY_PROJECTIONS_LCC_HPP +#define BOOST_GEOMETRY_PROJECTIONS_LCC_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/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> +#include <boost/geometry/srs/projections/impl/pj_msfn.hpp> +#include <boost/geometry/srs/projections/impl/pj_phi2.hpp> +#include <boost/geometry/srs/projections/impl/pj_tsfn.hpp> + + +namespace boost { namespace geometry +{ + +namespace srs { namespace par4 +{ + struct lcc {}; + +}} //namespace srs::par4 + +namespace projections +{ + #ifndef DOXYGEN_NO_DETAIL + namespace detail { namespace lcc + { + static const double EPS10 = 1.e-10; + + template <typename T> + struct par_lcc + { + T phi1; + T phi2; + T n; + T rho0; + T c; + int ellips; + }; + + // template class, using CRTP to implement forward/inverse + template <typename CalculationType, typename Parameters> + struct base_lcc_ellipsoid : public base_t_fi<base_lcc_ellipsoid<CalculationType, Parameters>, + CalculationType, Parameters> + { + + typedef CalculationType geographic_type; + typedef CalculationType cartesian_type; + + par_lcc<CalculationType> m_proj_parm; + + inline base_lcc_ellipsoid(const Parameters& par) + : base_t_fi<base_lcc_ellipsoid<CalculationType, Parameters>, + CalculationType, Parameters>(*this, par) {} + + // FORWARD(e_forward) ellipsoid & 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 FORTPI = detail::FORTPI<CalculationType>(); + static const CalculationType HALFPI = detail::HALFPI<CalculationType>(); + + CalculationType rho; + if (fabs(fabs(lp_lat) - HALFPI) < EPS10) { + if ((lp_lat * this->m_proj_parm.n) <= 0.) + BOOST_THROW_EXCEPTION( projection_exception(-20) ); + rho = 0.; + } else + rho = this->m_proj_parm.c * (this->m_proj_parm.ellips ? pow(pj_tsfn(lp_lat, sin(lp_lat), + this->m_par.e), this->m_proj_parm.n) : pow(tan(FORTPI + .5 * lp_lat), -this->m_proj_parm.n)); + xy_x = this->m_par.k0 * (rho * sin( lp_lon *= this->m_proj_parm.n ) ); + xy_y = this->m_par.k0 * (this->m_proj_parm.rho0 - rho * 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 + { + static const CalculationType HALFPI = detail::HALFPI<CalculationType>(); + + CalculationType rho; + xy_x /= this->m_par.k0; + xy_y /= this->m_par.k0; + if( (rho = boost::math::hypot(xy_x, xy_y = this->m_proj_parm.rho0 - xy_y)) != 0.0) { + if (this->m_proj_parm.n < 0.) { + rho = -rho; + xy_x = -xy_x; + xy_y = -xy_y; + } + if (this->m_proj_parm.ellips) { + if ((lp_lat = pj_phi2(pow(rho / this->m_proj_parm.c, 1./this->m_proj_parm.n), this->m_par.e)) + == HUGE_VAL) + BOOST_THROW_EXCEPTION( projection_exception(-20) ); + } else + lp_lat = 2. * atan(pow(this->m_proj_parm.c / rho, 1./this->m_proj_parm.n)) - HALFPI; + lp_lon = atan2(xy_x, xy_y) / this->m_proj_parm.n; + } else { + lp_lon = 0.; + lp_lat = this->m_proj_parm.n > 0. ? HALFPI : -HALFPI; + } + } + + // SPECIAL(fac) + #ifdef SPECIAL_FACTORS_NOT_CONVERTED + inline void fac(Geographic lp, Factors &fac) const + { + static const CalculationType FORTPI = detail::FORTPI<CalculationType>(); + static const CalculationType HALFPI = detail::HALFPI<CalculationType>(); + + CalculationType rho; + if (fabs(fabs(lp_lat) - HALFPI) < EPS10) { + if ((lp_lat * this->m_proj_parm.n) <= 0.) return; + rho = 0.; + } else + rho = this->m_proj_parm.c * (this->m_proj_parm.ellips ? pow(pj_tsfn(lp_lat, sin(lp_lat), + this->m_par.e), this->m_proj_parm.n) : pow(tan(FORTPI + .5 * lp_lat), -this->m_proj_parm.n)); + this->m_fac.code |= IS_ANAL_HK + IS_ANAL_CONV; + this->m_fac.k = this->m_fac.h = this->m_par.k0 * this->m_proj_parm.n * rho / + pj_msfn(sin(lp_lat), cos(lp_lat), this->m_par.es); + this->m_fac.conv = - this->m_proj_parm.n * lp_lon; + } + #endif + + static inline std::string get_name() + { + return "lcc_ellipsoid"; + } + + }; + + // Lambert Conformal Conic + template <typename Parameters, typename T> + inline void setup_lcc(Parameters& par, par_lcc<T>& proj_parm) + { + static const T FORTPI = detail::FORTPI<T>(); + static const T HALFPI = detail::HALFPI<T>(); + + T cosphi, sinphi; + int secant; + + proj_parm.phi1 = pj_param(par.params, "rlat_1").f; + if (pj_param(par.params, "tlat_2").i) + proj_parm.phi2 = pj_param(par.params, "rlat_2").f; + else { + proj_parm.phi2 = proj_parm.phi1; + if (!pj_param(par.params, "tlat_0").i) + par.phi0 = proj_parm.phi1; + } + if (fabs(proj_parm.phi1 + proj_parm.phi2) < EPS10) + BOOST_THROW_EXCEPTION( projection_exception(-21) ); + proj_parm.n = sinphi = sin(proj_parm.phi1); + cosphi = cos(proj_parm.phi1); + secant = fabs(proj_parm.phi1 - proj_parm.phi2) >= EPS10; + if( (proj_parm.ellips = (par.es != 0.)) ) { + double ml1, m1; + + par.e = sqrt(par.es); + m1 = pj_msfn(sinphi, cosphi, par.es); + ml1 = pj_tsfn(proj_parm.phi1, sinphi, par.e); + if (secant) { /* secant cone */ + proj_parm.n = log(m1 / + pj_msfn(sinphi = sin(proj_parm.phi2), cos(proj_parm.phi2), par.es)); + proj_parm.n /= log(ml1 / pj_tsfn(proj_parm.phi2, sinphi, par.e)); + } + proj_parm.c = (proj_parm.rho0 = m1 * pow(ml1, -proj_parm.n) / proj_parm.n); + proj_parm.rho0 *= (fabs(fabs(par.phi0) - HALFPI) < EPS10) ? 0. : + pow(pj_tsfn(par.phi0, sin(par.phi0), par.e), proj_parm.n); + } else { + if (secant) + proj_parm.n = log(cosphi / cos(proj_parm.phi2)) / + log(tan(FORTPI + .5 * proj_parm.phi2) / + tan(FORTPI + .5 * proj_parm.phi1)); + proj_parm.c = cosphi * pow(tan(FORTPI + .5 * proj_parm.phi1), proj_parm.n) / proj_parm.n; + proj_parm.rho0 = (fabs(fabs(par.phi0) - HALFPI) < EPS10) ? 0. : + proj_parm.c * pow(tan(FORTPI + .5 * par.phi0), -proj_parm.n); + } + } + + }} // namespace detail::lcc + #endif // doxygen + + /*! + \brief Lambert Conformal Conic 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_1: Latitude of first standard parallel (degrees) + - lat_2: Latitude of second standard parallel (degrees) + - lat_0: Latitude of origin + \par Example + \image html ex_lcc.gif + */ + template <typename CalculationType, typename Parameters> + struct lcc_ellipsoid : public detail::lcc::base_lcc_ellipsoid<CalculationType, Parameters> + { + inline lcc_ellipsoid(const Parameters& par) : detail::lcc::base_lcc_ellipsoid<CalculationType, Parameters>(par) + { + detail::lcc::setup_lcc(this->m_par, this->m_proj_parm); + } + }; + + #ifndef DOXYGEN_NO_DETAIL + namespace detail + { + + // Static projection + BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::par4::lcc, lcc_ellipsoid, lcc_ellipsoid) + + // Factory entry(s) + template <typename CalculationType, typename Parameters> + class lcc_entry : public detail::factory_entry<CalculationType, Parameters> + { + public : + virtual base_v<CalculationType, Parameters>* create_new(const Parameters& par) const + { + return new base_v_fi<lcc_ellipsoid<CalculationType, Parameters>, CalculationType, Parameters>(par); + } + }; + + template <typename CalculationType, typename Parameters> + inline void lcc_init(detail::base_factory<CalculationType, Parameters>& factory) + { + factory.add_to_factory("lcc", new lcc_entry<CalculationType, Parameters>); + } + + } // namespace detail + #endif // doxygen + +} // namespace projections + +}} // namespace boost::geometry + +#endif // BOOST_GEOMETRY_PROJECTIONS_LCC_HPP + |