projections/impl/pj_ellps.hpp

0001 // Boost.Geometry (aka GGL, Generic Geometry Library)
0002 // This file is manually converted from PROJ4
0003
0004 // Copyright (c) 2008-2012 Barend Gehrels, Amsterdam, the Netherlands.
0005
0006 // This file was modified by Oracle on 2017, 2018.
0007 // Modifications copyright (c) 2017-2018, Oracle and/or its affiliates.
0008 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
0009
0010 // Use, modification and distribution is subject to the Boost Software License,
0011 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
0012 // http://www.boost.org/LICENSE_1_0.txt)
0013
0014 // This file is converted from PROJ4, http://trac.osgeo.org/proj
0015 // PROJ4 is originally written by Gerald Evenden (then of the USGS)
0016 // PROJ4 is maintained by Frank Warmerdam
0017 // PROJ4 is converted to Geometry Library by Barend Gehrels (Geodan, Amsterdam)
0018
0019 // Original copyright notice:
0020
0021 // Permission is hereby granted, free of charge, to any person obtaining a
0022 // copy of this software and associated documentation files (the "Software"),
0023 // to deal in the Software without restriction, including without limitation
0024 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
0025 // and/or sell copies of the Software, and to permit persons to whom the
0026 // Software is furnished to do so, subject to the following conditions:
0027
0028 // The above copyright notice and this permission notice shall be included
0029 // in all copies or substantial portions of the Software.
0030
0031 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
0032 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0033 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
0034 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
0035 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
0036 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
0037 // DEALINGS IN THE SOFTWARE.
0038
0039 #ifndef BOOST_GEOMETRY_PROJECTIONS_IMPL_PJ_ELLPS_HPP
0040 #define BOOST_GEOMETRY_PROJECTIONS_IMPL_PJ_ELLPS_HPP
0041
0042 #include <string>
0043
0044 namespace boost { namespace geometry { namespace projections {
0045
0046 namespace detail {
0047
0048 // Originally defined in projects.h
0049 template <typename T>
0050 struct pj_ellps_type
0051 {
0052     std::string id;    /* ellipse keyword name */
0053     //std::string major; /* a's value */
0054     //std::string ell;   /* elliptical parameter value */
0055     //bool is_rf;        /* rf or b? */
0056     T a;
0057     T b;
0058     //std::string name;  /* comments */
0059 };
0060
0061 inline double b_from_a_rf(double a, double rf)
0062 {
0063     return a * (1.0 - 1.0 / rf);
0064 }
0065
0066 #define BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF(ID, A, RF, NAME) \
0067     {ID, /*#A, #RF, true,*/ A, b_from_a_rf(A, RF), /*NAME*/}
0068
0069 #define BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_B(ID, A, B, NAME) \
0070     {ID, /*#A, #B, false,*/ A, B, /*NAME*/}
0071
0072 template <typename T>
0073 inline std::pair<const pj_ellps_type<T>*, int> pj_get_ellps()
0074 {
0075     static const pj_ellps_type<T> pj_ellps[] =
0076     {
0077         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("MERIT",     6378137.0,   298.257,           "MERIT 1983"),
0078         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("SGS85",     6378136.0,   298.257,           "Soviet Geodetic System 85"),
0079         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("GRS80",     6378137.0,   298.257222101,     "GRS 1980(IUGG, 1980)"),
0080         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("IAU76",     6378140.0,   298.257,           "IAU 1976"),
0081         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_B ("airy",      6377563.396, 6356256.910,       "Airy 1830"),
0082         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("APL4.9",    6378137.0,   298.25,            "Appl. Physics. 1965"),
0083         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("NWL9D",     6378145.0,   298.25,            "Naval Weapons Lab., 1965"),
0084         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_B ("mod_airy",  6377340.189, 6356034.446,       "Modified Airy"),
0085         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("andrae",    6377104.43,  300.0,             "Andrae 1876 (Den., Iclnd.)"),
0086         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("aust_SA",   6378160.0,   298.25,            "Australian Natl & S. Amer. 1969"),
0087         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("GRS67",     6378160.0,   298.2471674270,    "GRS 67(IUGG 1967)"),
0088         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("bessel",    6377397.155, 299.1528128,       "Bessel 1841"),
0089         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("bess_nam",  6377483.865, 299.1528128,       "Bessel 1841 (Namibia)"),
0090         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_B ("clrk66",    6378206.4,   6356583.8,         "Clarke 1866"),
0091         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("clrk80",    6378249.145, 293.4663,          "Clarke 1880 mod."),
0092         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("clrk80ign", 6378249.2,   293.4660212936269, "Clarke 1880 (IGN)."),
0093         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("CPM",       6375738.7,   334.29,            "Comm. des Poids et Mesures 1799"),
0094         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("delmbr",    6376428.0,   311.5,             "Delambre 1810 (Belgium)"),
0095         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("engelis",   6378136.05,  298.2566,          "Engelis 1985"),
0096         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("evrst30",   6377276.345, 300.8017,          "Everest 1830"),
0097         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("evrst48",   6377304.063, 300.8017,          "Everest 1948"),
0098         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("evrst56",   6377301.243, 300.8017,          "Everest 1956"),
0099         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("evrst69",   6377295.664, 300.8017,          "Everest 1969"),
0100         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("evrstSS",   6377298.556, 300.8017,          "Everest (Sabah & Sarawak)"),
0101         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("fschr60",   6378166.0,   298.3,             "Fischer (Mercury Datum) 1960"),
0102         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("fschr60m",  6378155.0,   298.3,             "Modified Fischer 1960"),
0103         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("fschr68",   6378150.0,   298.3,             "Fischer 1968"),
0104         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("helmert",   6378200.0,   298.3,             "Helmert 1906"),
0105         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("hough",     6378270.0,   297.0,             "Hough"),
0106         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("intl",      6378388.0,   297.0,             "International 1909 (Hayford)"),
0107         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("krass",     6378245.0,   298.3,             "Krassovsky, 1942"),
0108         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("kaula",     6378163.0,   298.24,            "Kaula 1961"),
0109         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("lerch",     6378139.0,   298.257,           "Lerch 1979"),
0110         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("mprts",     6397300.0,   191.0,             "Maupertius 1738"),
0111         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_B ("new_intl",  6378157.5,   6356772.2,         "New International 1967"),
0112         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_B ("plessis",   6376523.0,   6355863.0,         "Plessis 1817 (France)"),
0113         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_B ("SEasia",    6378155.0,   6356773.3205,      "Southeast Asia"),
0114         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_B ("walbeck",   6376896.0,   6355834.8467,      "Walbeck"),
0115         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("WGS60",     6378165.0,   298.3,             "WGS 60"),
0116         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("WGS66",     6378145.0,   298.25,            "WGS 66"),
0117         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_RF("WGS72",     6378135.0,   298.26,            "WGS 72"),
0118         // This has to be consistent with default spheroid and values in pj_datum_transform
0119         // TODO: Define in one place
0120         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_B ("WGS84",     6378137.0,   6356752.3142451793, "WGS 84"),
0121         BOOST_GEOMETRY_PROJECTIONS_DETAIL_PJ_ELLPS_B ("sphere",    6370997.0,   6370997.0,         "Normal Sphere (r=6370997)")
0122     };
0123
0124     return std::make_pair(pj_ellps, (int)(sizeof(pj_ellps) / sizeof(pj_ellps[0])));
0125 }
0126
0127 } // namespace detail
0128 }}} // namespace boost::geometry::projections
0129
0130 #endif // BOOST_GEOMETRY_PROJECTIONS_IMPL_PJ_ELLPS_HPP