boost/geometry/srs/projections/impl/projects.hpp
// Boost.Geometry (aka GGL, Generic Geometry Library) // This file is manually converted from PROJ4 (projects.h) // Copyright (c) 2008-2012 Barend Gehrels, Amsterdam, the Netherlands. // This file was modified by Oracle on 2017, 2018. // Modifications copyright (c) 2017-2018, 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 Geometry Library by Barend Gehrels (Geodan, Amsterdam) // 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. #ifndef BOOST_GEOMETRY_PROJECTIONS_IMPL_PROJECTS_HPP #define BOOST_GEOMETRY_PROJECTIONS_IMPL_PROJECTS_HPP #include <cstring> #include <string> #include <vector> #include <boost/config.hpp> #include <boost/geometry/srs/projections/constants.hpp> #include <boost/geometry/srs/projections/dpar.hpp> #include <boost/geometry/srs/projections/spar.hpp> #include <boost/mpl/if.hpp> #include <boost/type_traits/is_pod.hpp> namespace boost { namespace geometry { namespace projections { #ifndef DOXYGEN_NO_DETAIL namespace detail { /* datum_type values */ enum datum_type { datum_unknown = 0, datum_3param = 1, datum_7param = 2, datum_gridshift = 3, datum_wgs84 = 4 /* WGS84 (or anything considered equivelent) */ }; // Originally defined in proj_internal.h //enum pj_io_units { // pj_io_units_whatever = 0, /* Doesn't matter (or depends on pipeline neighbours) */ // pj_io_units_classic = 1, /* Scaled meters (right), projected system */ // pj_io_units_projected = 2, /* Meters, projected system */ // pj_io_units_cartesian = 3, /* Meters, 3D cartesian system */ // pj_io_units_angular = 4 /* Radians */ //}; // Originally defined in proj_internal.h /* Maximum latitudinal overshoot accepted */ //static const double pj_epsilon_lat = 1e-12; template <typename T> struct pj_consts { // E L L I P S O I D P A R A M E T E R S T a; /* semimajor axis (radius if eccentricity==0) */ T ra; /* 1/a */ T e; /* first eccentricity */ T es; /* first eccentricity squared */ T one_es; /* 1 - e^2 */ T rone_es; /* 1/one_es */ T es_orig, a_orig; /* es and a before any +proj related adjustment */ // C O O R D I N A T E H A N D L I N G int over; /* over-range flag */ int geoc; /* geocentric latitude flag */ int is_latlong; /* proj=latlong ... not really a projection at all */ int is_geocent; /* proj=geocent ... not really a projection at all */ //int need_ellps; /* 0 for operations that are purely cartesian */ //enum pj_io_units left; /* Flags for input/output coordinate types */ //enum pj_io_units right; // C A R T O G R A P H I C O F F S E T S T lam0, phi0; /* central longitude, latitude */ T x0, y0/*, z0, t0*/; /* false easting and northing (and height and time) */ // S C A L I N G T k0; /* general scaling factor */ T to_meter, fr_meter; /* cartesian scaling */ T vto_meter, vfr_meter; /* Vertical scaling. Internal unit [m] */ // D A T U M S A N D H E I G H T S Y S T E M S detail::datum_type datum_type; /* PJD_UNKNOWN/3PARAM/7PARAM/GRIDSHIFT/WGS84 */ srs::detail::towgs84<T> datum_params; /* Parameters for 3PARAM and 7PARAM */ srs::detail::nadgrids nadgrids; /* Names of horozontal grid files. */ T from_greenwich; /* prime meridian offset (in radians) */ T long_wrap_center; /* 0.0 for -180 to 180, actually in radians*/ bool is_long_wrap_set; // Initialize all variables pj_consts() : a(0), ra(0) , e(0), es(0), one_es(0), rone_es(0) , es_orig(0), a_orig(0) , over(0), geoc(0), is_latlong(0), is_geocent(0) //, need_ellps(1) //, left(PJ_IO_UNITS_ANGULAR), right(PJ_IO_UNITS_CLASSIC) , lam0(0), phi0(0) , x0(0), y0(0)/*, z0(0), t0(0)*/ , k0(0) , to_meter(0), fr_meter(0), vto_meter(0), vfr_meter(0) , datum_type(datum_unknown) , from_greenwich(0), long_wrap_center(0), is_long_wrap_set(false) {} }; // PROJ4 complex. Might be replaced with std::complex template <typename T> struct pj_complex { T r, i; }; } // namespace detail #endif // DOXYGEN_NO_DETAIL /*! \brief parameters, projection parameters \details This structure initializes all projections \ingroup projection */ template <typename T> struct parameters : public detail::pj_consts<T> { typedef T type; struct proj_id { proj_id() : id(srs::dpar::proj_unknown) {} proj_id(srs::dpar::value_proj i) : id(i) {} proj_id(std::string const& s) : id(srs::dpar::proj_unknown) , name(s) {} bool is_unknown() const { return id == srs::dpar::proj_unknown && name.empty(); } // Either one of these is set: srs::dpar::value_proj id; // id of projection std::string name; // name of projection }; proj_id id; }; }}} // namespace boost::geometry::projections #endif // BOOST_GEOMETRY_PROJECTIONS_IMPL_PROJECTS_HPP