1 // Copyright (C) 2006 Mathias Froehlich - Mathias.Froehlich@web.de
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Library General Public
5 // License as published by the Free Software Foundation; either
6 // version 2 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Library General Public License for more details.
13 // You should have received a copy of the GNU General Public License
14 // along with this program; if not, write to the Free Software
15 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
29 // Hard numbers from the WGS84 standard.
30 static const double EQURAD;
31 static const double iFLATTENING;
32 static const double SQUASH;
33 static const double STRETCH;
34 static const double POLRAD;
36 /// Takes a cartesian coordinate data and returns the geodetic
38 static void SGCartToGeod(const SGVec3<double>& cart, SGGeod& geod);
40 /// Takes a geodetic coordinate data and returns the cartesian
42 static void SGGeodToCart(const SGGeod& geod, SGVec3<double>& cart);
44 /// Takes a geodetic coordinate data and returns the sea level radius.
45 static double SGGeodToSeaLevelRadius(const SGGeod& geod);
47 /// Takes a cartesian coordinate data and returns the geocentric
49 static void SGCartToGeoc(const SGVec3<double>& cart, SGGeoc& geoc);
51 /// Takes a geocentric coordinate data and returns the cartesian
53 static void SGGeocToCart(const SGGeoc& geoc, SGVec3<double>& cart);