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Diffstat (limited to 'boost/geometry/srs/projections/proj/robin.hpp')
-rw-r--r-- | boost/geometry/srs/projections/proj/robin.hpp | 298 |
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diff --git a/boost/geometry/srs/projections/proj/robin.hpp b/boost/geometry/srs/projections/proj/robin.hpp new file mode 100644 index 0000000000..52acb58e41 --- /dev/null +++ b/boost/geometry/srs/projections/proj/robin.hpp @@ -0,0 +1,298 @@ +#ifndef BOOST_GEOMETRY_PROJECTIONS_ROBIN_HPP +#define BOOST_GEOMETRY_PROJECTIONS_ROBIN_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/function_overloads.hpp> + +namespace boost { namespace geometry +{ + +namespace srs { namespace par4 +{ + struct robin {}; + +}} //namespace srs::par4 + +namespace projections +{ + #ifndef DOXYGEN_NO_DETAIL + namespace detail { namespace robin + { + + static const double FXC = 0.8487; + static const double FYC = 1.3523; + static const double C1 = 11.45915590261646417544; + static const double RC1 = 0.08726646259971647884; + static const int NODES = 18; + static const double ONEEPS = 1.000001; + static const double EPS = 1e-8; + + /* + note: following terms based upon 5 deg. intervals in degrees. + + Some background on these coefficients is available at: + + http://article.gmane.org/gmane.comp.gis.proj-4.devel/6039 + http://trac.osgeo.org/proj/ticket/113 + */ + + template <typename T> + struct COEFS { + T c0, c1, c2, c3; + }; + + template <typename T> + inline const COEFS<T> * X() + { + static const COEFS<T> result[] = { + {1.0, 2.2199e-17, -7.15515e-05, 3.1103e-06}, + {0.9986, -0.000482243, -2.4897e-05, -1.3309e-06}, + {0.9954, -0.00083103, -4.48605e-05, -9.86701e-07}, + {0.99, -0.00135364, -5.9661e-05, 3.6777e-06}, + {0.9822, -0.00167442, -4.49547e-06, -5.72411e-06}, + {0.973, -0.00214868, -9.03571e-05, 1.8736e-08}, + {0.96, -0.00305085, -9.00761e-05, 1.64917e-06}, + {0.9427, -0.00382792, -6.53386e-05, -2.6154e-06}, + {0.9216, -0.00467746, -0.00010457, 4.81243e-06}, + {0.8962, -0.00536223, -3.23831e-05, -5.43432e-06}, + {0.8679, -0.00609363, -0.000113898, 3.32484e-06}, + {0.835, -0.00698325, -6.40253e-05, 9.34959e-07}, + {0.7986, -0.00755338, -5.00009e-05, 9.35324e-07}, + {0.7597, -0.00798324, -3.5971e-05, -2.27626e-06}, + {0.7186, -0.00851367, -7.01149e-05, -8.6303e-06}, + {0.6732, -0.00986209, -0.000199569, 1.91974e-05}, + {0.6213, -0.010418, 8.83923e-05, 6.24051e-06}, + {0.5722, -0.00906601, 0.000182, 6.24051e-06}, + {0.5322, -0.00677797, 0.000275608, 6.24051e-06} + }; + return result; + } + + template <typename T> + inline const COEFS<T> * Y() + { + static const COEFS<T> result[] = { + {-5.20417e-18, 0.0124, 1.21431e-18, -8.45284e-11}, + {0.062, 0.0124, -1.26793e-09, 4.22642e-10}, + {0.124, 0.0124, 5.07171e-09, -1.60604e-09}, + {0.186, 0.0123999, -1.90189e-08, 6.00152e-09}, + {0.248, 0.0124002, 7.10039e-08, -2.24e-08}, + {0.31, 0.0123992, -2.64997e-07, 8.35986e-08}, + {0.372, 0.0124029, 9.88983e-07, -3.11994e-07}, + {0.434, 0.0123893, -3.69093e-06, -4.35621e-07}, + {0.4958, 0.0123198, -1.02252e-05, -3.45523e-07}, + {0.5571, 0.0121916, -1.54081e-05, -5.82288e-07}, + {0.6176, 0.0119938, -2.41424e-05, -5.25327e-07}, + {0.6769, 0.011713, -3.20223e-05, -5.16405e-07}, + {0.7346, 0.0113541, -3.97684e-05, -6.09052e-07}, + {0.7903, 0.0109107, -4.89042e-05, -1.04739e-06}, + {0.8435, 0.0103431, -6.4615e-05, -1.40374e-09}, + {0.8936, 0.00969686, -6.4636e-05, -8.547e-06}, + {0.9394, 0.00840947, -0.000192841, -4.2106e-06}, + {0.9761, 0.00616527, -0.000256, -4.2106e-06}, + {1.0, 0.00328947, -0.000319159, -4.2106e-06} + }; + return result; + } + + // template class, using CRTP to implement forward/inverse + template <typename CalculationType, typename Parameters> + struct base_robin_spheroid : public base_t_fi<base_robin_spheroid<CalculationType, Parameters>, + CalculationType, Parameters> + { + + typedef CalculationType geographic_type; + typedef CalculationType cartesian_type; + + + inline base_robin_spheroid(const Parameters& par) + : base_t_fi<base_robin_spheroid<CalculationType, Parameters>, + CalculationType, Parameters>(*this, par) {} + + template <typename T> + inline T V(COEFS<T> const& C, T const& z) const + { return (C.c0 + z * (C.c1 + z * (C.c2 + z * C.c3))); } + template <typename T> + inline T DV(COEFS<T> const& C, T const& z) const + { return (C.c1 + z * (C.c2 + C.c2 + z * 3. * C.c3)); } + + // 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 + { + int i; + CalculationType dphi; + + i = int_floor((dphi = fabs(lp_lat)) * C1); + if (i < 0) + BOOST_THROW_EXCEPTION( projection_exception(-20) ); + if (i >= NODES) i = NODES - 1; + dphi = geometry::math::r2d<CalculationType>() * (dphi - RC1 * i); + xy_x = V(X<CalculationType>()[i], dphi) * FXC * lp_lon; + xy_y = V(Y<CalculationType>()[i], dphi) * FYC; + if (lp_lat < 0.) xy_y = -xy_y; + } + + // 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 + { + static const CalculationType HALFPI = detail::HALFPI<CalculationType>(); + const COEFS<CalculationType> * X = robin::X<CalculationType>(); + const COEFS<CalculationType> * Y = robin::Y<CalculationType>(); + + int i; + CalculationType t, t1; + COEFS<CalculationType> T; + + lp_lon = xy_x / FXC; + lp_lat = fabs(xy_y / FYC); + if (lp_lat >= 1.) { /* simple pathologic cases */ + if (lp_lat > ONEEPS) + BOOST_THROW_EXCEPTION( projection_exception(-20) ); + else { + lp_lat = xy_y < 0. ? -HALFPI : HALFPI; + lp_lon /= X[NODES].c0; + } + } else { /* general problem */ + /* in Y space, reduce to table interval */ + i = int_floor(lp_lat * NODES); + if( i < 0 || i >= NODES ) + BOOST_THROW_EXCEPTION( projection_exception(-20) ); + for (;;) { + if (Y[i].c0 > lp_lat) --i; + else if (Y[i+1].c0 <= lp_lat) ++i; + else break; + } + T = Y[i]; + /* first guess, linear interp */ + t = 5. * (lp_lat - T.c0)/(Y[i+1].c0 - T.c0); + /* make into root */ + T.c0 -= lp_lat; + for (;;) { /* Newton-Raphson reduction */ + t -= t1 = V(T,t) / DV(T,t); + if (fabs(t1) < EPS) + break; + } + lp_lat = (5 * i + t) * geometry::math::d2r<CalculationType>(); + if (xy_y < 0.) lp_lat = -lp_lat; + lp_lon /= V(X[i], t); + } + } + + static inline std::string get_name() + { + return "robin_spheroid"; + } + + }; + + // Robinson + template <typename Parameters> + inline void setup_robin(Parameters& par) + { + par.es = 0.; + } + + }} // namespace detail::robin + #endif // doxygen + + /*! + \brief Robinson projection + \ingroup projections + \tparam Geographic latlong point type + \tparam Cartesian xy point type + \tparam Parameters parameter type + \par Projection characteristics + - Pseudocylindrical + - Spheroid + \par Example + \image html ex_robin.gif + */ + template <typename CalculationType, typename Parameters> + struct robin_spheroid : public detail::robin::base_robin_spheroid<CalculationType, Parameters> + { + inline robin_spheroid(const Parameters& par) : detail::robin::base_robin_spheroid<CalculationType, Parameters>(par) + { + detail::robin::setup_robin(this->m_par); + } + }; + + #ifndef DOXYGEN_NO_DETAIL + namespace detail + { + + // Static projection + BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::par4::robin, robin_spheroid, robin_spheroid) + + // Factory entry(s) + template <typename CalculationType, typename Parameters> + class robin_entry : public detail::factory_entry<CalculationType, Parameters> + { + public : + virtual base_v<CalculationType, Parameters>* create_new(const Parameters& par) const + { + return new base_v_fi<robin_spheroid<CalculationType, Parameters>, CalculationType, Parameters>(par); + } + }; + + template <typename CalculationType, typename Parameters> + inline void robin_init(detail::base_factory<CalculationType, Parameters>& factory) + { + factory.add_to_factory("robin", new robin_entry<CalculationType, Parameters>); + } + + } // namespace detail + #endif // doxygen + +} // namespace projections + +}} // namespace boost::geometry + +#endif // BOOST_GEOMETRY_PROJECTIONS_ROBIN_HPP + |