167 lines
6.8 KiB
C++
167 lines
6.8 KiB
C++
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// Boost.Geometry - gis-projections (based on PROJ4)
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// Copyright (c) 2022, Oracle and/or its affiliates.
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// Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle.
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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 Boost.Geometry by Barend Gehrels
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// Last updated version of proj: 9.0.0
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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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#ifndef BOOST_GEOMETRY_PROJECTIONS_COL_URBAN_HPP
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#define BOOST_GEOMETRY_PROJECTIONS_COL_URBAN_HPP
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#include <boost/geometry/util/math.hpp>
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#include <boost/geometry/srs/projections/impl/base_static.hpp>
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#include <boost/geometry/srs/projections/impl/base_dynamic.hpp>
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#include <boost/geometry/srs/projections/impl/pj_param.hpp>
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#include <boost/geometry/srs/projections/impl/projects.hpp>
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#include <boost/geometry/srs/projections/impl/factory_entry.hpp>
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namespace boost { namespace geometry
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{
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namespace projections
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{
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail { namespace col_urban
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{
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template <typename T>
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struct par_col_urban
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{
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T h0; // height of projection origin, divided by semi-major axis (a)
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T rho0; // adimensional value, contrary to Guidance note 7.2
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T A;
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T B; // adimensional value, contrary to Guidance note 7.2
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T C;
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T D; // adimensional value, contrary to Guidance note 7.2
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};
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template <typename T, typename Parameters>
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struct base_col_urban_spheroid
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{
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par_col_urban<T> m_proj_parm;
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// FORWARD(s_forward) spheroid
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// Project coordinates from geographic (lon, lat) to cartesian (x, y)
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inline void fwd(Parameters const& par, T const& lp_lon, T const& lp_lat, T& xy_x, T& xy_y) const
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{
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const T cosphi = cos(lp_lat);
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const T sinphi = sin(lp_lat);
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const T nu = 1. / sqrt(1 - par.es * sinphi * sinphi);
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const T lam_nu_cosphi = lp_lon * nu * cosphi;
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xy_x = this->m_proj_parm.A * lam_nu_cosphi;
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const T sinphi_m = sin(0.5 * (lp_lat + par.phi0));
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const T rho_m = (1 - par.es) / pow(1 - par.es * sinphi_m * sinphi_m, 1.5);
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const T G = 1 + this->m_proj_parm.h0 / rho_m;
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xy_y = G * this->m_proj_parm.rho0 * ((lp_lat - par.phi0) + this->m_proj_parm.B * lam_nu_cosphi * lam_nu_cosphi);
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}
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// INVERSE(s_inverse) spheroid
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// Project coordinates from cartesian (x, y) to geographic (lon, lat)
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inline void inv(Parameters const& par, T const& xy_x, T const& xy_y, T& lp_lon, T& lp_lat) const
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{
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lp_lat = par.phi0 + xy_y / this->m_proj_parm.D - this->m_proj_parm.B * (xy_x / this->m_proj_parm.C) * (xy_x / this->m_proj_parm.C);
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const double sinphi = sin(lp_lat);
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const double nu = 1. / sqrt(1 - par.es * sinphi * sinphi);
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lp_lon = xy_x / (this->m_proj_parm.C * nu * cos(lp_lat));
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}
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static inline std::string get_name()
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{
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return "col_urban_spheroid";
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}
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};
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// Colombia Urban
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template <typename Params, typename Parameters, typename T>
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inline void setup(Params const& params, Parameters const& par, par_col_urban<T>& proj_parm)
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{
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T h0_unscaled;
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if ( !pj_param_f<srs::spar::h_0>(params, "h_0", srs::dpar::h_0, h0_unscaled) ){
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h0_unscaled = T(0);
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}
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proj_parm.h0 = h0_unscaled / par.a;
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const T sinphi0 = sin(par.phi0);
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const T nu0 = 1. / sqrt(1 - par.es * sinphi0 * sinphi0);
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proj_parm.A = 1 + proj_parm.h0 / nu0;
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proj_parm.rho0 = (1 - par.es) / pow(1 - par.es * sinphi0 * sinphi0, 1.5);
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proj_parm.B = tan(par.phi0) / (2 * proj_parm.rho0 * nu0);
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proj_parm.C = 1 + proj_parm.h0;
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proj_parm.D = proj_parm.rho0 * (1 + proj_parm.h0 / (1 - par.es));
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}
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}} // namespace col_urban
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#endif // doxygen
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/*!
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\brief Colombia Urban
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\ingroup projections
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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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*/
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template <typename T, typename Parameters>
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struct col_urban_spheroid : public detail::col_urban::base_col_urban_spheroid<T, Parameters>
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{
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template <typename Params>
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inline col_urban_spheroid(Params const& params, Parameters & par)
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{
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detail::col_urban::setup(params, par, this->m_proj_parm);
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}
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};
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail
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{
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// Static projection
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BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_FI(srs::spar::proj_col_urban, col_urban_spheroid)
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// Factory entry(s)
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BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI(col_urban_entry, col_urban_spheroid)
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BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_BEGIN(col_urban_init)
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{
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BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(col_urban, col_urban_entry);
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}
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} // namespace detail
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#endif // doxygen
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} // namespace projections
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_PROJECTIONS_COL_URBAN_HPP
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