// latlon.cpp // // Copyright (C) 2003, 2004 Jason Bevins // // This library is free software; you can redistribute it and/or modify it // under the terms of the GNU Lesser General Public License as published by // the Free Software Foundation; either version 2.1 of the License, or (at // your option) any later version. // // This library is distributed in the hope that it will be useful, but WITHOUT // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public // License (COPYING.txt) for more details. // // You should have received a copy of the GNU Lesser General Public License // along with this library; if not, write to the Free Software Foundation, // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // // The developer's email is jlbezigvins@gmzigail.com (for great email, take // off every 'zig'.) // #include "latlon.h" using namespace noise; void noise::LatLonToXYZ (double lat, double lon, double& x, double& y, double& z) { double r = cos (DEG_TO_RAD * lat); x = r * cos (DEG_TO_RAD * lon); y = sin (DEG_TO_RAD * lat); z = r * sin (DEG_TO_RAD * lon); }