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Diffstat (limited to 'boost/geometry/srs/projections/proj/imw_p.hpp')
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diff --git a/boost/geometry/srs/projections/proj/imw_p.hpp b/boost/geometry/srs/projections/proj/imw_p.hpp new file mode 100644 index 0000000000..1a7fe9e915 --- /dev/null +++ b/boost/geometry/srs/projections/proj/imw_p.hpp @@ -0,0 +1,320 @@ +#ifndef BOOST_GEOMETRY_PROJECTIONS_IMW_P_HPP +#define BOOST_GEOMETRY_PROJECTIONS_IMW_P_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/pj_mlfn.hpp> + +namespace boost { namespace geometry +{ + +namespace srs { namespace par4 +{ + struct imw_p {}; + +}} //namespace srs::par4 + +namespace projections +{ + #ifndef DOXYGEN_NO_DETAIL + namespace detail { namespace imw_p + { + + static const double TOL = 1e-10; + static const double EPS = 1e-10; + + template <typename T> + struct XY { T x, y; }; // specific for IMW_P + + template <typename T> + struct par_imw_p + { + T P, Pp, Q, Qp, R_1, R_2, sphi_1, sphi_2, C2; + T phi_1, phi_2, lam_1; + T en[EN_SIZE]; + int mode; /* = 0, phi_1 and phi_2 != 0, = 1, phi_1 = 0, = -1 phi_2 = 0 */ + }; + + template <typename Parameters, typename T> + inline int + phi12(Parameters& par, par_imw_p<T>& proj_parm, T *del, T *sig) + { + int err = 0; + + if (!pj_param(par.params, "tlat_1").i || + !pj_param(par.params, "tlat_2").i) { + err = -41; + } else { + proj_parm.phi_1 = pj_param(par.params, "rlat_1").f; + proj_parm.phi_2 = pj_param(par.params, "rlat_2").f; + *del = 0.5 * (proj_parm.phi_2 - proj_parm.phi_1); + *sig = 0.5 * (proj_parm.phi_2 + proj_parm.phi_1); + err = (fabs(*del) < EPS || fabs(*sig) < EPS) ? -42 : 0; + } + return err; + } + template <typename Parameters, typename T> + inline XY<T> + loc_for(T const& lp_lam, T const& lp_phi, Parameters const& par, par_imw_p<T> const& proj_parm, T *yc) + { + XY<T> xy; + + if (! lp_phi) { + xy.x = lp_lam; + xy.y = 0.; + } else { + T xa, ya, xb, yb, xc, D, B, m, sp, t, R, C; + + sp = sin(lp_phi); + m = pj_mlfn(lp_phi, sp, cos(lp_phi), proj_parm.en); + xa = proj_parm.Pp + proj_parm.Qp * m; + ya = proj_parm.P + proj_parm.Q * m; + R = 1. / (tan(lp_phi) * sqrt(1. - par.es * sp * sp)); + C = sqrt(R * R - xa * xa); + if (lp_phi < 0.) C = - C; + C += ya - R; + if (proj_parm.mode < 0) { + xb = lp_lam; + yb = proj_parm.C2; + } else { + t = lp_lam * proj_parm.sphi_2; + xb = proj_parm.R_2 * sin(t); + yb = proj_parm.C2 + proj_parm.R_2 * (1. - cos(t)); + } + if (proj_parm.mode > 0) { + xc = lp_lam; + *yc = 0.; + } else { + t = lp_lam * proj_parm.sphi_1; + xc = proj_parm.R_1 * sin(t); + *yc = proj_parm.R_1 * (1. - cos(t)); + } + D = (xb - xc)/(yb - *yc); + B = xc + D * (C + R - *yc); + xy.x = D * sqrt(R * R * (1 + D * D) - B * B); + if (lp_phi > 0) + xy.x = - xy.x; + xy.x = (B + xy.x) / (1. + D * D); + xy.y = sqrt(R * R - xy.x * xy.x); + if (lp_phi > 0) + xy.y = - xy.y; + xy.y += C + R; + } + return (xy); + } + template <typename Parameters, typename T> + inline void + xy(Parameters const& par, par_imw_p<T> const& proj_parm, T const& phi, T *x, T *y, T *sp, T *R) + { + T F; + + *sp = sin(phi); + *R = 1./(tan(phi) * sqrt(1. - par.es * *sp * *sp )); + F = proj_parm.lam_1 * *sp; + *y = *R * (1 - cos(F)); + *x = *R * sin(F); + } + + // template class, using CRTP to implement forward/inverse + template <typename CalculationType, typename Parameters> + struct base_imw_p_ellipsoid : public base_t_fi<base_imw_p_ellipsoid<CalculationType, Parameters>, + CalculationType, Parameters> + { + + typedef CalculationType geographic_type; + typedef CalculationType cartesian_type; + + par_imw_p<CalculationType> m_proj_parm; + + inline base_imw_p_ellipsoid(const Parameters& par) + : base_t_fi<base_imw_p_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 yc = 0; + XY<CalculationType> xy = loc_for(lp_lon, lp_lat, this->m_par, m_proj_parm, &yc); + xy_x = xy.x; xy_y = xy.y; + } + + // INVERSE(e_inverse) ellipsoid + // 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 + { + XY<CalculationType> t; + CalculationType yc = 0; + + lp_lat = this->m_proj_parm.phi_2; + lp_lon = xy_x / cos(lp_lat); + do { + t = loc_for(lp_lon, lp_lat, this->m_par, m_proj_parm, &yc); + lp_lat = ((lp_lat - this->m_proj_parm.phi_1) * (xy_y - yc) / (t.y - yc)) + this->m_proj_parm.phi_1; + lp_lon = lp_lon * xy_x / t.x; + } while (fabs(t.x - xy_x) > TOL || fabs(t.y - xy_y) > TOL); + } + + static inline std::string get_name() + { + return "imw_p_ellipsoid"; + } + + }; + + // International Map of the World Polyconic + template <typename Parameters, typename T> + inline void setup_imw_p(Parameters& par, par_imw_p<T>& proj_parm) + { + T del, sig, s, t, x1, x2, T2, y1, m1, m2, y2; + int i; + + if (!pj_enfn(par.es, proj_parm.en)) + BOOST_THROW_EXCEPTION( projection_exception(0) ); + if( (i = phi12(par, proj_parm, &del, &sig)) != 0) + BOOST_THROW_EXCEPTION( projection_exception(i) ); + if (proj_parm.phi_2 < proj_parm.phi_1) { /* make sure proj_parm.phi_1 most southerly */ + del = proj_parm.phi_1; + proj_parm.phi_1 = proj_parm.phi_2; + proj_parm.phi_2 = del; + } + if (pj_param(par.params, "tlon_1").i) + proj_parm.lam_1 = pj_param(par.params, "rlon_1").f; + else { /* use predefined based upon latitude */ + sig = fabs(sig * geometry::math::r2d<T>()); + if (sig <= 60) sig = 2.; + else if (sig <= 76) sig = 4.; + else sig = 8.; + proj_parm.lam_1 = sig * geometry::math::d2r<T>(); + } + proj_parm.mode = 0; + if (proj_parm.phi_1) xy(par, proj_parm, proj_parm.phi_1, &x1, &y1, &proj_parm.sphi_1, &proj_parm.R_1); + else { + proj_parm.mode = 1; + y1 = 0.; + x1 = proj_parm.lam_1; + } + if (proj_parm.phi_2) xy(par, proj_parm, proj_parm.phi_2, &x2, &T2, &proj_parm.sphi_2, &proj_parm.R_2); + else { + proj_parm.mode = -1; + T2 = 0.; + x2 = proj_parm.lam_1; + } + m1 = pj_mlfn(proj_parm.phi_1, proj_parm.sphi_1, cos(proj_parm.phi_1), proj_parm.en); + m2 = pj_mlfn(proj_parm.phi_2, proj_parm.sphi_2, cos(proj_parm.phi_2), proj_parm.en); + t = m2 - m1; + s = x2 - x1; + y2 = sqrt(t * t - s * s) + y1; + proj_parm.C2 = y2 - T2; + t = 1. / t; + proj_parm.P = (m2 * y1 - m1 * y2) * t; + proj_parm.Q = (y2 - y1) * t; + proj_parm.Pp = (m2 * x1 - m1 * x2) * t; + proj_parm.Qp = (x2 - x1) * t; + } + + }} // namespace detail::imw_p + #endif // doxygen + + /*! + \brief International Map of the World Polyconic projection + \ingroup projections + \tparam Geographic latlong point type + \tparam Cartesian xy point type + \tparam Parameters parameter type + \par Projection characteristics + - Mod. Polyconic + - Ellipsoid + \par Projection parameters + - lat_1: Latitude of first standard parallel + - lat_2: Latitude of second standard parallel + - lon_1 (degrees) + \par Example + \image html ex_imw_p.gif + */ + template <typename CalculationType, typename Parameters> + struct imw_p_ellipsoid : public detail::imw_p::base_imw_p_ellipsoid<CalculationType, Parameters> + { + inline imw_p_ellipsoid(const Parameters& par) : detail::imw_p::base_imw_p_ellipsoid<CalculationType, Parameters>(par) + { + detail::imw_p::setup_imw_p(this->m_par, this->m_proj_parm); + } + }; + + #ifndef DOXYGEN_NO_DETAIL + namespace detail + { + + // Static projection + BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::par4::imw_p, imw_p_ellipsoid, imw_p_ellipsoid) + + // Factory entry(s) + template <typename CalculationType, typename Parameters> + class imw_p_entry : public detail::factory_entry<CalculationType, Parameters> + { + public : + virtual base_v<CalculationType, Parameters>* create_new(const Parameters& par) const + { + return new base_v_fi<imw_p_ellipsoid<CalculationType, Parameters>, CalculationType, Parameters>(par); + } + }; + + template <typename CalculationType, typename Parameters> + inline void imw_p_init(detail::base_factory<CalculationType, Parameters>& factory) + { + factory.add_to_factory("imw_p", new imw_p_entry<CalculationType, Parameters>); + } + + } // namespace detail + #endif // doxygen + +} // namespace projections + +}} // namespace boost::geometry + +#endif // BOOST_GEOMETRY_PROJECTIONS_IMW_P_HPP + |