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 Library General Public
14 // License along with this library; if not, write to the
15 // Free Software Foundation, Inc., 59 Temple Place - Suite 330,
16 // Boston, MA 02111-1307, USA.
30 // Hard numbers from the WGS84 standard.
31 static const double EQURAD;
32 static const double iFLATTENING;
33 static const double SQUASH;
34 static const double STRETCH;
35 static const double POLRAD;
37 /// Takes a cartesian coordinate data and returns the geodetic
39 static void SGCartToGeod(const SGVec3<double>& cart, SGGeod& geod);
41 /// Takes a geodetic coordinate data and returns the cartesian
43 static void SGGeodToCart(const SGGeod& geod, SGVec3<double>& cart);
45 /// Takes a geodetic coordinate data and returns the sea level radius.
46 static double SGGeodToSeaLevelRadius(const SGGeod& geod);
48 /// Takes a cartesian coordinate data and returns the geocentric
50 static void SGCartToGeoc(const SGVec3<double>& cart, SGGeoc& geoc);
52 /// Takes a geocentric coordinate data and returns the cartesian
54 static void SGGeocToCart(const SGGeoc& geoc, SGVec3<double>& cart);