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Diffstat (limited to 'boost/geometry/srs/projections/proj/tpeqd.hpp')
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diff --git a/boost/geometry/srs/projections/proj/tpeqd.hpp b/boost/geometry/srs/projections/proj/tpeqd.hpp new file mode 100644 index 0000000000..2d08d49bde --- /dev/null +++ b/boost/geometry/srs/projections/proj/tpeqd.hpp @@ -0,0 +1,235 @@ +#ifndef BOOST_GEOMETRY_PROJECTIONS_TPEQD_HPP +#define BOOST_GEOMETRY_PROJECTIONS_TPEQD_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/aasincos.hpp> + +namespace boost { namespace geometry +{ + +namespace srs { namespace par4 +{ + struct tpeqd {}; + +}} //namespace srs::par4 + +namespace projections +{ + #ifndef DOXYGEN_NO_DETAIL + namespace detail { namespace tpeqd + { + template <typename T> + struct par_tpeqd + { + T cp1, sp1, cp2, sp2, ccs, cs, sc, r2z0, z02, dlam2; + T hz0, thz0, rhshz0, ca, sa, lp, lamc; + }; + + // template class, using CRTP to implement forward/inverse + template <typename CalculationType, typename Parameters> + struct base_tpeqd_spheroid : public base_t_fi<base_tpeqd_spheroid<CalculationType, Parameters>, + CalculationType, Parameters> + { + + typedef CalculationType geographic_type; + typedef CalculationType cartesian_type; + + par_tpeqd<CalculationType> m_proj_parm; + + inline base_tpeqd_spheroid(const Parameters& par) + : base_t_fi<base_tpeqd_spheroid<CalculationType, Parameters>, + CalculationType, Parameters>(*this, par) {} + + // FORWARD(s_forward) sphere + // 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 t, z1, z2, dl1, dl2, sp, cp; + + sp = sin(lp_lat); + cp = cos(lp_lat); + z1 = aacos(this->m_proj_parm.sp1 * sp + this->m_proj_parm.cp1 * cp * cos(dl1 = lp_lon + this->m_proj_parm.dlam2)); + z2 = aacos(this->m_proj_parm.sp2 * sp + this->m_proj_parm.cp2 * cp * cos(dl2 = lp_lon - this->m_proj_parm.dlam2)); + z1 *= z1; + z2 *= z2; + xy_x = this->m_proj_parm.r2z0 * (t = z1 - z2); + t = this->m_proj_parm.z02 - t; + xy_y = this->m_proj_parm.r2z0 * asqrt(4. * this->m_proj_parm.z02 * z2 - t * t); + if ((this->m_proj_parm.ccs * sp - cp * (this->m_proj_parm.cs * sin(dl1) - this->m_proj_parm.sc * sin(dl2))) < 0.) + xy_y = -xy_y; + } + + // INVERSE(s_inverse) sphere + // 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 cz1, cz2, s, d, cp, sp; + + cz1 = cos(boost::math::hypot(xy_y, xy_x + this->m_proj_parm.hz0)); + cz2 = cos(boost::math::hypot(xy_y, xy_x - this->m_proj_parm.hz0)); + s = cz1 + cz2; + d = cz1 - cz2; + lp_lon = - atan2(d, (s * this->m_proj_parm.thz0)); + lp_lat = aacos(boost::math::hypot(this->m_proj_parm.thz0 * s, d) * this->m_proj_parm.rhshz0); + if ( xy_y < 0. ) + lp_lat = - lp_lat; + /* lam--phi now in system relative to P1--P2 base equator */ + sp = sin(lp_lat); + cp = cos(lp_lat); + lp_lat = aasin(this->m_proj_parm.sa * sp + this->m_proj_parm.ca * cp * (s = cos(lp_lon -= this->m_proj_parm.lp))); + lp_lon = atan2(cp * sin(lp_lon), this->m_proj_parm.sa * cp * s - this->m_proj_parm.ca * sp) + this->m_proj_parm.lamc; + } + + static inline std::string get_name() + { + return "tpeqd_spheroid"; + } + + }; + + // Two Point Equidistant + template <typename Parameters, typename T> + inline void setup_tpeqd(Parameters& par, par_tpeqd<T>& proj_parm) + { + T lam_1, lam_2, phi_1, phi_2, A12, pp; + + /* get control point locations */ + phi_1 = pj_param(par.params, "rlat_1").f; + lam_1 = pj_param(par.params, "rlon_1").f; + phi_2 = pj_param(par.params, "rlat_2").f; + lam_2 = pj_param(par.params, "rlon_2").f; + if (phi_1 == phi_2 && lam_1 == lam_2) + BOOST_THROW_EXCEPTION( projection_exception(-25) ); + par.lam0 = adjlon(0.5 * (lam_1 + lam_2)); + proj_parm.dlam2 = adjlon(lam_2 - lam_1); + proj_parm.cp1 = cos(phi_1); + proj_parm.cp2 = cos(phi_2); + proj_parm.sp1 = sin(phi_1); + proj_parm.sp2 = sin(phi_2); + proj_parm.cs = proj_parm.cp1 * proj_parm.sp2; + proj_parm.sc = proj_parm.sp1 * proj_parm.cp2; + proj_parm.ccs = proj_parm.cp1 * proj_parm.cp2 * sin(proj_parm.dlam2); + proj_parm.z02 = aacos(proj_parm.sp1 * proj_parm.sp2 + proj_parm.cp1 * proj_parm.cp2 * cos(proj_parm.dlam2)); + proj_parm.hz0 = .5 * proj_parm.z02; + A12 = atan2(proj_parm.cp2 * sin(proj_parm.dlam2), + proj_parm.cp1 * proj_parm.sp2 - proj_parm.sp1 * proj_parm.cp2 * cos(proj_parm.dlam2)); + proj_parm.ca = cos(pp = aasin(proj_parm.cp1 * sin(A12))); + proj_parm.sa = sin(pp); + proj_parm.lp = adjlon(atan2(proj_parm.cp1 * cos(A12), proj_parm.sp1) - proj_parm.hz0); + proj_parm.dlam2 *= .5; + proj_parm.lamc = geometry::math::half_pi<T>() - atan2(sin(A12) * proj_parm.sp1, cos(A12)) - proj_parm.dlam2; + proj_parm.thz0 = tan(proj_parm.hz0); + proj_parm.rhshz0 = .5 / sin(proj_parm.hz0); + proj_parm.r2z0 = 0.5 / proj_parm.z02; + proj_parm.z02 *= proj_parm.z02; + par.es = 0.; + } + + }} // namespace detail::tpeqd + #endif // doxygen + + /*! + \brief Two Point Equidistant projection + \ingroup projections + \tparam Geographic latlong point type + \tparam Cartesian xy point type + \tparam Parameters parameter type + \par Projection characteristics + - Miscellaneous + - Spheroid + \par Projection parameters + - lat_1: Latitude of first standard parallel (degrees) + - lon_1 (degrees) + - lat_2: Latitude of second standard parallel (degrees) + - lon_2 (degrees) + \par Example + \image html ex_tpeqd.gif + */ + template <typename CalculationType, typename Parameters> + struct tpeqd_spheroid : public detail::tpeqd::base_tpeqd_spheroid<CalculationType, Parameters> + { + inline tpeqd_spheroid(const Parameters& par) : detail::tpeqd::base_tpeqd_spheroid<CalculationType, Parameters>(par) + { + detail::tpeqd::setup_tpeqd(this->m_par, this->m_proj_parm); + } + }; + + #ifndef DOXYGEN_NO_DETAIL + namespace detail + { + + // Static projection + BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::par4::tpeqd, tpeqd_spheroid, tpeqd_spheroid) + + // Factory entry(s) + template <typename CalculationType, typename Parameters> + class tpeqd_entry : public detail::factory_entry<CalculationType, Parameters> + { + public : + virtual base_v<CalculationType, Parameters>* create_new(const Parameters& par) const + { + return new base_v_fi<tpeqd_spheroid<CalculationType, Parameters>, CalculationType, Parameters>(par); + } + }; + + template <typename CalculationType, typename Parameters> + inline void tpeqd_init(detail::base_factory<CalculationType, Parameters>& factory) + { + factory.add_to_factory("tpeqd", new tpeqd_entry<CalculationType, Parameters>); + } + + } // namespace detail + #endif // doxygen + +} // namespace projections + +}} // namespace boost::geometry + +#endif // BOOST_GEOMETRY_PROJECTIONS_TPEQD_HPP + |