193 lines
6.9 KiB
C++
193 lines
6.9 KiB
C++
// Boost.Geometry - gis-projections (based on PROJ4)
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// Copyright (c) 2008-2015 Barend Gehrels, Amsterdam, the Netherlands.
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// This file was modified by Oracle on 2017, 2018, 2019.
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// Modifications copyright (c) 2017-2019, Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, 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: 5.0.0
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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_PUTP4P_HPP
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#define BOOST_GEOMETRY_PROJECTIONS_PUTP4P_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/projects.hpp>
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#include <boost/geometry/srs/projections/impl/factory_entry.hpp>
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#include <boost/geometry/srs/projections/impl/aasincos.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 putp4p
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{
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template <typename T>
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struct par_putp4p
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{
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T C_x, C_y;
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};
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template <typename T, typename Parameters>
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struct base_putp4p_spheroid
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{
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par_putp4p<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& , T const& lp_lon, T lp_lat, T& xy_x, T& xy_y) const
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{
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static T const third = detail::third<T>();
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lp_lat = aasin(0.883883476 * sin(lp_lat));
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xy_x = this->m_proj_parm.C_x * lp_lon * cos(lp_lat);
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xy_x /= cos(lp_lat *= third);
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xy_y = this->m_proj_parm.C_y * sin(lp_lat);
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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& , 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 = aasin(xy_y / this->m_proj_parm.C_y);
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lp_lon = xy_x * cos(lp_lat) / this->m_proj_parm.C_x;
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lp_lat *= 3.;
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lp_lon /= cos(lp_lat);
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lp_lat = aasin(1.13137085 * sin(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 "putp4p_spheroid";
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}
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};
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// Putnins P4'
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template <typename Parameters, typename T>
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inline void setup_putp4p(Parameters& par, par_putp4p<T>& proj_parm)
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{
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proj_parm.C_x = 0.874038744;
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proj_parm.C_y = 3.883251825;
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par.es = 0.;
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}
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// Werenskiold I
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template <typename Parameters, typename T>
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inline void setup_weren(Parameters& par, par_putp4p<T>& proj_parm)
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{
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proj_parm.C_x = 1.;
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proj_parm.C_y = 4.442882938;
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par.es = 0.;
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}
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}} // namespace detail::putp4p
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#endif // doxygen
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/*!
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\brief Putnins P4' projection
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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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\par Projection characteristics
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- Pseudocylindrical
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- Spheroid
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\par Example
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\image html ex_putp4p.gif
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*/
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template <typename T, typename Parameters>
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struct putp4p_spheroid : public detail::putp4p::base_putp4p_spheroid<T, Parameters>
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{
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template <typename Params>
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inline putp4p_spheroid(Params const& , Parameters & par)
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{
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detail::putp4p::setup_putp4p(par, this->m_proj_parm);
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}
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};
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/*!
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\brief Werenskiold I projection
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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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\par Projection characteristics
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- Pseudocylindrical
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- Spheroid
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\par Example
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\image html ex_weren.gif
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*/
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template <typename T, typename Parameters>
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struct weren_spheroid : public detail::putp4p::base_putp4p_spheroid<T, Parameters>
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{
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template <typename Params>
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inline weren_spheroid(Params const& , Parameters & par)
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{
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detail::putp4p::setup_weren(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_putp4p, putp4p_spheroid)
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BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION_FI(srs::spar::proj_weren, weren_spheroid)
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// Factory entry(s)
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BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI(putp4p_entry, putp4p_spheroid)
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BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI(weren_entry, weren_spheroid)
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BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_BEGIN(putp4p_init)
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{
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BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(putp4p, putp4p_entry)
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BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(weren, weren_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_PUTP4P_HPP
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