Osmium::OSM::Position Class Reference

#include <position.hpp>

List of all members.

Public Member Functions
	Position ()
	Position (int32_t x, int32_t y)
	Position (double lon, double lat)
bool	defined () const
int32_t	x () const
int32_t	y () const
double	lon () const
double	lat () const
Position &	lon (double lon)
Position &	lat (double lat)
v8::Handle< v8::Array >	js_to_array () const
	operator uint32_t () const
	conversion to uint32_t
	operator geos::geom::Coordinate () const
Static Private Member Functions
static int32_t	double_to_fix (double c)
static double	fix_to_double (int32_t c)
Private Attributes
int32_t	m_x
int32_t	m_y
Static Private Attributes
static const int	precision = 10000000
Friends
bool	operator== (const Position &p1, const Position &p2)
bool	operator!= (const Position &p1, const Position &p2)
std::ostream &	operator<< (std::ostream &out, const Position &position)

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Detailed Description

Positions are stored in 32 bit integers for the x and y coordinates, respectively. This gives you an accuracy of a few centimeters, good enough for OSM use. (The main OSM database uses the same scheme.)

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Constructor & Destructor Documentation

Osmium::OSM::Position::Position

(

)

[inline, explicit]

Osmium::OSM::Position::Position	(	int32_t	x,
		int32_t	y
	)		[inline, explicit]

Osmium::OSM::Position::Position	(	double	lon,
		double	lat
	)		[inline, explicit]

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Member Function Documentation

bool Osmium::OSM::Position::defined

(

)

const [inline]

static int32_t Osmium::OSM::Position::double_to_fix

(

double

c

)

[inline, static, private]

static double Osmium::OSM::Position::fix_to_double

(

int32_t

c

)

[inline, static, private]

v8::Handle<v8::Array> Osmium::OSM::Position::js_to_array

(

)

const [inline]

double Osmium::OSM::Position::lat

(

)

const [inline]

Position& Osmium::OSM::Position::lat

(

double

lat

)

[inline]

double Osmium::OSM::Position::lon

(

)

const [inline]

Position& Osmium::OSM::Position::lon

(

double

lon

)

[inline]

Osmium::OSM::Position::operator geos::geom::Coordinate

(

)

const [inline]

Conversion of Position to GEOS Coordinate.

Osmium::OSM::Position::operator uint32_t

(

)

const [inline]

conversion to uint32_t

int32_t Osmium::OSM::Position::x

(

)

const [inline]

int32_t Osmium::OSM::Position::y

(

)

const [inline]

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Friends And Related Function Documentation

bool operator!=	(	const Position &	p1,
		const Position &	p2
	)		[friend]

std::ostream& operator<<	(	std::ostream &	out,
		const Position &	position
	)		[friend]

bool operator==	(	const Position &	p1,
		const Position &	p2
	)		[friend]

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Member Data Documentation

int32_t Osmium::OSM::Position::m_x [private]

int32_t Osmium::OSM::Position::m_y [private]

const int Osmium::OSM::Position::precision = 10000000 [static, private]

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The documentation for this class was generated from the following file:

• include/osmium/osm/position.hpp