99 lines
3.2 KiB
C++
99 lines
3.2 KiB
C++
/* -*- Mode: C++ -*- *****************************************************
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* geocoord.h
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* Written by Durk Talsma. Started July 1999.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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**************************************************************************/
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/*************************************************************************
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*
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* This file defines a small and simple class to store geocentric
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* coordinates. Basically, class GeoCoord is intended as a base class for
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* any kind of of object, that can be categorized according to its
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* location on earth, be it navaids, or aircraft. This class for originally
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* written for FlightGear, in order to store Timezone control points.
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*
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************************************************************************/
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#ifndef _GEOCOORD_H_
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#define _GEOCOORD_H_
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#include <simgear/compiler.h>
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#include <math.h>
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#include <string>
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#include STL_IOSTREAM
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//#include <streambuf> // looks like streambuf does not exist on linux.
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// But it looks like it isn't used anyways -:)
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#include <vector>
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FG_USING_NAMESPACE(std);
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#include <simgear/constants.h>
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class GeoCoord
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{
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protected:
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float lat;
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float lon;
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public:
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GeoCoord() { lat = 0.0; lon = 0.0;};
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GeoCoord(float la, float lo) { lat = la; lon = lo;};
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GeoCoord(const GeoCoord& other);
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virtual ~GeoCoord() {};
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void set(float la, float lo) { lat = la; lon = lo; };
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float getLat() const { return lat; };
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float getLon() const { return lon; };
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float getX() const { return cos(DEG_TO_RAD*lat) * cos(DEG_TO_RAD*lon); };
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float getY() const { return cos(DEG_TO_RAD*lat) * sin(DEG_TO_RAD*lon); };
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float getZ() const { return sin(DEG_TO_RAD*lat); };
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//double getAngle(const GeoCoord& other) const;
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virtual void print() {} ;
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virtual char *getDescription() {return 0;};
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};
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typedef vector<GeoCoord*> GeoCoordVector;
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typedef vector<GeoCoord*>::iterator GeoCoordVectorIterator;
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typedef vector<GeoCoord*>::const_iterator GeoCoordVectorConstIterator;
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/************************************************************************
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* GeoCoordContainer is a simple container class, that stores objects
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* derived from GeoCoord. Basically, it is a wrapper around an STL vector,
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* with some added functionality
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***********************************************************************/
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class GeoCoordContainer
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{
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protected:
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GeoCoordVector data;
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public:
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GeoCoordContainer() {};
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virtual ~GeoCoordContainer();
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const GeoCoordVector& getData() const { return data; };
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GeoCoord* getNearest(const GeoCoord& ref) const;
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};
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#endif // _GEO_COORD_H_
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