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Diffstat (limited to 'boost/geometry/srs/projections/proj/bipc.hpp')
| -rw-r--r-- | boost/geometry/srs/projections/proj/bipc.hpp | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/boost/geometry/srs/projections/proj/bipc.hpp b/boost/geometry/srs/projections/proj/bipc.hpp new file mode 100644 index 0000000000..6f014d0e66 --- /dev/null +++ b/boost/geometry/srs/projections/proj/bipc.hpp @@ -0,0 +1,297 @@ +#ifndef BOOST_GEOMETRY_PROJECTIONS_BIPC_HPP +#define BOOST_GEOMETRY_PROJECTIONS_BIPC_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> + +namespace boost { namespace geometry +{ + +namespace srs { namespace par4 +{ + struct bipc {}; + +}} //namespace srs::par4 + +namespace projections +{ + #ifndef DOXYGEN_NO_DETAIL + namespace detail { namespace bipc + { + + static const double EPS = 1e-10; + static const double EPS10 = 1e-10; + static const double ONEEPS = 1.000000001; + static const int NITER = 10; + static const double lamB = -.34894976726250681539; + static const double n = .63055844881274687180; + static const double F = 1.89724742567461030582; + static const double Azab = .81650043674686363166; + static const double Azba = 1.82261843856185925133; + static const double T = 1.27246578267089012270; + static const double rhoc = 1.20709121521568721927; + static const double cAzc = .69691523038678375519; + static const double sAzc = .71715351331143607555; + static const double C45 = .70710678118654752469; + static const double S45 = .70710678118654752410; + static const double C20 = .93969262078590838411; + static const double S20 = -.34202014332566873287; + static const double R110 = 1.91986217719376253360; + static const double R104 = 1.81514242207410275904; + + struct par_bipc + { + int noskew; + }; + + // template class, using CRTP to implement forward/inverse + template <typename CalculationType, typename Parameters> + struct base_bipc_spheroid : public base_t_fi<base_bipc_spheroid<CalculationType, Parameters>, + CalculationType, Parameters> + { + + typedef CalculationType geographic_type; + typedef CalculationType cartesian_type; + + par_bipc m_proj_parm; + + inline base_bipc_spheroid(const Parameters& par) + : base_t_fi<base_bipc_spheroid<CalculationType, Parameters>, + CalculationType, Parameters>(*this, par) {} + + // FORWARD(s_forward) 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 HALFPI = detail::HALFPI<CalculationType>(); + static const CalculationType ONEPI = detail::ONEPI<CalculationType>(); + + CalculationType cphi, sphi, tphi, t, al, Az, z, Av, cdlam, sdlam, r; + int tag; + + cphi = cos(lp_lat); + sphi = sin(lp_lat); + cdlam = cos(sdlam = lamB - lp_lon); + sdlam = sin(sdlam); + if (fabs(fabs(lp_lat) - HALFPI) < EPS10) { + Az = lp_lat < 0. ? ONEPI : 0.; + tphi = HUGE_VAL; + } else { + tphi = sphi / cphi; + Az = atan2(sdlam , C45 * (tphi - cdlam)); + } + if( (tag = (Az > Azba)) ) { + cdlam = cos(sdlam = lp_lon + R110); + sdlam = sin(sdlam); + z = S20 * sphi + C20 * cphi * cdlam; + if (fabs(z) > 1.) { + if (fabs(z) > ONEEPS) + BOOST_THROW_EXCEPTION( projection_exception(-20) ); + else + z = z < 0. ? -1. : 1.; + } else + z = acos(z); + if (tphi != HUGE_VAL) + Az = atan2(sdlam, (C20 * tphi - S20 * cdlam)); + Av = Azab; + xy_y = rhoc; + } else { + z = S45 * (sphi + cphi * cdlam); + if (fabs(z) > 1.) { + if (fabs(z) > ONEEPS) + BOOST_THROW_EXCEPTION( projection_exception(-20) ); + else + z = z < 0. ? -1. : 1.; + } else + z = acos(z); + Av = Azba; + xy_y = -rhoc; + } + if (z < 0.) BOOST_THROW_EXCEPTION( projection_exception(-20) ); + r = F * (t = pow(tan(.5 * z), n)); + if ((al = .5 * (R104 - z)) < 0.) + BOOST_THROW_EXCEPTION( projection_exception(-20) ); + al = (t + pow(al, n)) / T; + if (fabs(al) > 1.) { + if (fabs(al) > ONEEPS) + BOOST_THROW_EXCEPTION( projection_exception(-20) ); + else + al = al < 0. ? -1. : 1.; + } else + al = acos(al); + if (fabs(t = n * (Av - Az)) < al) + r /= cos(al + (tag ? t : -t)); + xy_x = r * sin(t); + xy_y += (tag ? -r : r) * cos(t); + if (this->m_proj_parm.noskew) { + t = xy_x; + xy_x = -xy_x * cAzc - xy_y * sAzc; + xy_y = -xy_y * cAzc + t * sAzc; + } + } + + // INVERSE(s_inverse) 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 + { + CalculationType t, r, rp, rl, al, z, fAz, Az, s, c, Av; + int neg, i; + + if (this->m_proj_parm.noskew) { + t = xy_x; + xy_x = -xy_x * cAzc + xy_y * sAzc; + xy_y = -xy_y * cAzc - t * sAzc; + } + if( (neg = (xy_x < 0.)) ) { + xy_y = rhoc - xy_y; + s = S20; + c = C20; + Av = Azab; + } else { + xy_y += rhoc; + s = S45; + c = C45; + Av = Azba; + } + rl = rp = r = boost::math::hypot(xy_x, xy_y); + fAz = fabs(Az = atan2(xy_x, xy_y)); + for (i = NITER; i ; --i) { + z = 2. * atan(pow(r / F,1 / n)); + al = acos((pow(tan(.5 * z), n) + + pow(tan(.5 * (R104 - z)), n)) / T); + if (fAz < al) + r = rp * cos(al + (neg ? Az : -Az)); + if (fabs(rl - r) < EPS) + break; + rl = r; + } + if (! i) + BOOST_THROW_EXCEPTION( projection_exception(-20) ); + Az = Av - Az / n; + lp_lat = asin(s * cos(z) + c * sin(z) * cos(Az)); + lp_lon = atan2(sin(Az), c / tan(z) - s * cos(Az)); + if (neg) + lp_lon -= R110; + else + lp_lon = lamB - lp_lon; + } + + static inline std::string get_name() + { + return "bipc_spheroid"; + } + + }; + + // Bipolar conic of western hemisphere + template <typename Parameters> + inline void setup_bipc(Parameters& par, par_bipc& proj_parm) + { + proj_parm.noskew = pj_param(par.params, "bns").i; + par.es = 0.; + } + + }} // namespace detail::bipc + #endif // doxygen + + /*! + \brief Bipolar conic of western hemisphere projection + \ingroup projections + \tparam Geographic latlong point type + \tparam Cartesian xy point type + \tparam Parameters parameter type + \par Projection characteristics + - Conic + - Spheroid + \par Projection parameters + - ns (boolean) + \par Example + \image html ex_bipc.gif + */ + template <typename CalculationType, typename Parameters> + struct bipc_spheroid : public detail::bipc::base_bipc_spheroid<CalculationType, Parameters> + { + inline bipc_spheroid(const Parameters& par) : detail::bipc::base_bipc_spheroid<CalculationType, Parameters>(par) + { + detail::bipc::setup_bipc(this->m_par, this->m_proj_parm); + } + }; + + #ifndef DOXYGEN_NO_DETAIL + namespace detail + { + + // Static projection + BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::par4::bipc, bipc_spheroid, bipc_spheroid) + + // Factory entry(s) + template <typename CalculationType, typename Parameters> + class bipc_entry : public detail::factory_entry<CalculationType, Parameters> + { + public : + virtual base_v<CalculationType, Parameters>* create_new(const Parameters& par) const + { + return new base_v_fi<bipc_spheroid<CalculationType, Parameters>, CalculationType, Parameters>(par); + } + }; + + template <typename CalculationType, typename Parameters> + inline void bipc_init(detail::base_factory<CalculationType, Parameters>& factory) + { + factory.add_to_factory("bipc", new bipc_entry<CalculationType, Parameters>); + } + + } // namespace detail + #endif // doxygen + +} // namespace projections + +}} // namespace boost::geometry + +#endif // BOOST_GEOMETRY_PROJECTIONS_BIPC_HPP + |