/* -*- Mode: C++ -*- ***************************************************** * geocoord.h * Written by Durk Talsma. Started July 1999. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library 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. * **************************************************************************/ /************************************************************************* * * This file defines a small and simple class to store geocentric * coordinates. Basically, class GeoCoord is intended as a base class for * any kind of of object, that can be categorized according to its * location on earth, be it navaids, or aircraft. This class for originally * written for FlightGear, in order to store Timezone control points. * ************************************************************************/ #ifndef _GEOCOORD_H_ #define _GEOCOORD_H_ #include <simgear/compiler.h> #include <math.h> #include <string> #include STL_IOSTREAM //#include <streambuf> // looks like streambuf does not exist on linux. // But it looks like it isn't used anyways -:) #include <vector> SG_USING_NAMESPACE(std); #include <simgear/constants.h> class GeoCoord { protected: float lat; float lon; public: GeoCoord() { lat = 0.0; lon = 0.0;}; GeoCoord(float la, float lo) { lat = la; lon = lo;}; GeoCoord(const GeoCoord& other); virtual ~GeoCoord() {}; void set(float la, float lo) { lat = la; lon = lo; }; float getLat() const { return lat; }; float getLon() const { return lon; }; float getX() const { return cos(SGD_DEGREES_TO_RADIANS*lat) * cos(SGD_DEGREES_TO_RADIANS*lon); }; float getY() const { return cos(SGD_DEGREES_TO_RADIANS*lat) * sin(SGD_DEGREES_TO_RADIANS*lon); }; float getZ() const { return sin(SGD_DEGREES_TO_RADIANS*lat); }; //double getAngle(const GeoCoord& other) const; virtual void print() {} ; virtual char *getDescription() {return 0;}; }; typedef vector<GeoCoord*> GeoCoordVector; typedef vector<GeoCoord*>::iterator GeoCoordVectorIterator; typedef vector<GeoCoord*>::const_iterator GeoCoordVectorConstIterator; /************************************************************************ * GeoCoordContainer is a simple container class, that stores objects * derived from GeoCoord. Basically, it is a wrapper around an STL vector, * with some added functionality ***********************************************************************/ class GeoCoordContainer { protected: GeoCoordVector data; public: GeoCoordContainer() {}; virtual ~GeoCoordContainer(); const GeoCoordVector& getData() const { return data; }; GeoCoord* getNearest(const GeoCoord& ref) const; }; #endif // _GEO_COORD_H_