GeographicLocation
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2004 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* 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
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGSIM_GEOGRAPHICLOCATION
#define OSGSIM_GEOGRAPHICLOCATION 1
#include <osg/Math>
#include <osg/Referenced>
#include <ostream>
namespace osgSim {
class GeographicLocation : public osg::Referenced
{
public:
GeographicLocation() { _v[0]=0.; _v[1]=0.; }
GeographicLocation( double lat, double lon ) { _v[0]=lat; _v[1]=lon; }
inline bool operator == ( const GeographicLocation& v) const { return _v[0]==v._v[0] && _v[1]==v._v[1]; }
inline bool operator != ( const GeographicLocation& v) const { return _v[0]!=v._v[0] || _v[1]!=v._v[1]; }
inline bool operator < ( const GeographicLocation& v) const
{
if (_v[0]<v._v[0]) return true;
else if (_v[0]>v._v[0]) return false;
else if (_v[1]<v._v[1]) return true;
else return false;
}
inline double* ptr() { return _v; }
inline const double* ptr() const { return _v; }
inline void set( double lat, double lon ) { _v[0]=lat; _v[1]=lon; }
inline double& latitude() { return _v[0]; }
inline double& longitude() { return _v[1]; }
inline double latitude() const { return _v[0]; }
inline double longitude() const { return _v[1]; }
inline bool valid() const { return !isNaN(); }
inline bool isNaN() const { return osg::isNaN(_v[0]) || osg::isNaN(_v[1]); }
inline const GeographicLocation operator+( const GeographicLocation& rhs) const
{
return GeographicLocation(_v[0]+rhs._v[0], _v[1]+rhs._v[1]);
}
inline const GeographicLocation operator-( const GeographicLocation& rhs) const
{
return GeographicLocation(_v[0]-rhs._v[0], _v[1]-rhs._v[1]);
}
friend inline std::ostream& operator << (std::ostream& output, const GeographicLocation& loc)
{
output << loc._v[0] << " " << loc._v[1];
return output; // to enable cascading
}
private:
// Note the convention is to store lat in _v[0] and lon in _v[1].
// This is contrary to typical X-Y convention. Who decided lat should come
// before lon anyway? I'd like a word with him...
double _v[2];
}; // end of class GeographicLocation
} // end of namespace osgSim
#endif
Math
Referenced
osgSim::GeographicLocation::operator-
const GeographicLocation operator-(const GeographicLocation &rhs) const
binary vector subtract
Definition GeographicLocation:66
osgSim::GeographicLocation::ptr
double * ptr()
Definition GeographicLocation:45
osgSim::GeographicLocation::latitude
double latitude() const
Definition GeographicLocation:53
osgSim::GeographicLocation::operator<<
friend std::ostream & operator<<(std::ostream &output, const GeographicLocation &loc)
Definition GeographicLocation:71
osgSim::GeographicLocation::latitude
double & latitude()
Definition GeographicLocation:50
osgSim::GeographicLocation::GeographicLocation
GeographicLocation()
Definition GeographicLocation:32
osgSim::GeographicLocation::operator+
const GeographicLocation operator+(const GeographicLocation &rhs) const
binary vector add
Definition GeographicLocation:60
osgSim::GeographicLocation::operator==
bool operator==(const GeographicLocation &v) const
Definition GeographicLocation:35
osgSim::GeographicLocation::set
void set(double lat, double lon)
Definition GeographicLocation:48
osgSim::GeographicLocation::operator<
bool operator<(const GeographicLocation &v) const
Definition GeographicLocation:37
osgSim::GeographicLocation::ptr
const double * ptr() const
Definition GeographicLocation:46
osgSim::GeographicLocation::isNaN
bool isNaN() const
Definition GeographicLocation:57
osgSim::GeographicLocation::longitude
double & longitude()
Definition GeographicLocation:51
osgSim::GeographicLocation::longitude
double longitude() const
Definition GeographicLocation:54
osgSim::GeographicLocation::operator!=
bool operator!=(const GeographicLocation &v) const
Definition GeographicLocation:36
osgSim::GeographicLocation::valid
bool valid() const
Definition GeographicLocation:56
osgSim::GeographicLocation::GeographicLocation
GeographicLocation(double lat, double lon)
Definition GeographicLocation:33
osg::Referenced
Definition Referenced:44
osgSim
Definition BlinkSequence:27
osg::isNaN
bool isNaN(float v)
Definition Math:133