osg::EllipsoidModel Class Reference

EllipsoidModel encapsulates the ellipsoid used to model astronomical bodies, such as sun, planets, moon etc. More...

Inheritance diagram for osg::EllipsoidModel:

List of all members.

Public Member Functions
	EllipsoidModel (double radiusEquator=WGS_84_RADIUS_EQUATOR, double radiusPolar=WGS_84_RADIUS_POLAR)
	WGS_84 is a common representation of the earth's spheroid.
	EllipsoidModel (const EllipsoidModel &et, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
	META_Object (osg, EllipsoidModel)
void	setRadiusEquator (double radius)
double	getRadiusEquator () const
void	setRadiusPolar (double radius)
double	getRadiusPolar () const
void	convertLatLongHeightToXYZ (double latitude, double longitude, double height, double &X, double &Y, double &Z) const
void	convertXYZToLatLongHeight (double X, double Y, double Z, double &latitude, double &longitude, double &height) const
void	computeLocalToWorldTransformFromLatLongHeight (double latitude, double longitude, double height, osg::Matrixd &localToWorld) const
void	computeLocalToWorldTransformFromXYZ (double X, double Y, double Z, osg::Matrixd &localToWorld) const
void	computeCoordinateFrame (double latitude, double longitude, osg::Matrixd &localToWorld) const
osg::Vec3d	computeLocalUpVector (double X, double Y, double Z) const
bool	isWGS84 () const
Protected Member Functions
void	computeCoefficients ()
Protected Attributes
double	_radiusEquator
double	_radiusPolar
double	_eccentricitySquared
Friends
bool	operator== (const EllipsoidModel &e1, const EllipsoidModel &e2)

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Detailed Description

EllipsoidModel encapsulates the ellipsoid used to model astronomical bodies, such as sun, planets, moon etc.

All distance quantities (i.e. heights + radius) are in meters, and latitude and longitude are in radians.

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Constructor & Destructor Documentation

osg::EllipsoidModel::EllipsoidModel	(	double	radiusEquator = WGS_84_RADIUS_EQUATOR,
		double	radiusPolar = WGS_84_RADIUS_POLAR
	)		[inline]

WGS_84 is a common representation of the earth's spheroid.

References computeCoefficients().

osg::EllipsoidModel::EllipsoidModel	(	const EllipsoidModel &	et,
		const CopyOp &	copyop = CopyOp::SHALLOW_COPY
	)		[inline]

References computeCoefficients().

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Member Function Documentation

void osg::EllipsoidModel::computeCoefficients

(

)

[inline, protected]

References _eccentricitySquared, _radiusEquator, and _radiusPolar.

Referenced by EllipsoidModel(), setRadiusEquator(), and setRadiusPolar().

void osg::EllipsoidModel::computeCoordinateFrame	(	double	latitude,
		double	longitude,
		osg::Matrixd &	localToWorld
	)		const [inline]

Referenced by computeLocalToWorldTransformFromLatLongHeight(), and computeLocalToWorldTransformFromXYZ().

void osg::EllipsoidModel::computeLocalToWorldTransformFromLatLongHeight	(	double	latitude,
		double	longitude,
		double	height,
		osg::Matrixd &	localToWorld
	)		const [inline]

References computeCoordinateFrame(), convertLatLongHeightToXYZ(), and osg::Matrixd::makeTranslate().

void osg::EllipsoidModel::computeLocalToWorldTransformFromXYZ	(	double	X,
		double	Y,
		double	Z,
		osg::Matrixd &	localToWorld
	)		const [inline]

References computeCoordinateFrame(), convertXYZToLatLongHeight(), and osg::Matrixd::makeTranslate().

osg::Vec3d osg::EllipsoidModel::computeLocalUpVector	(	double	X,
		double	Y,
		double	Z
	)		const [inline]

References convertXYZToLatLongHeight().

void osg::EllipsoidModel::convertLatLongHeightToXYZ	(	double	latitude,
		double	longitude,
		double	height,
		double &	X,
		double &	Y,
		double &	Z
	)		const [inline]

References _eccentricitySquared, and _radiusEquator.

Referenced by computeLocalToWorldTransformFromLatLongHeight().

void osg::EllipsoidModel::convertXYZToLatLongHeight	(	double	X,
		double	Y,
		double	Z,
		double &	latitude,
		double &	longitude,
		double &	height
	)		const [inline]

References _eccentricitySquared, _radiusEquator, and _radiusPolar.

Referenced by computeLocalToWorldTransformFromXYZ(), and computeLocalUpVector().

double osg::EllipsoidModel::getRadiusEquator

(

)

const [inline]

References _radiusEquator.

double osg::EllipsoidModel::getRadiusPolar

(

)

const [inline]

References _radiusPolar.

bool osg::EllipsoidModel::isWGS84

(

)

const [inline]

References _radiusEquator, _radiusPolar, osg::WGS_84_RADIUS_EQUATOR, and osg::WGS_84_RADIUS_POLAR.

osg::EllipsoidModel::META_Object	(	osg	,
		EllipsoidModel
	)

void osg::EllipsoidModel::setRadiusEquator

(

double

radius

)

[inline]

References _radiusEquator, and computeCoefficients().

void osg::EllipsoidModel::setRadiusPolar

(

double

radius

)

[inline]

References _radiusPolar, and computeCoefficients().

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Friends And Related Function Documentation

bool operator==	(	const EllipsoidModel &	e1,
		const EllipsoidModel &	e2
	)		[friend]

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Member Data Documentation

double osg::EllipsoidModel::_eccentricitySquared [protected]

Referenced by computeCoefficients(), convertLatLongHeightToXYZ(), and convertXYZToLatLongHeight().

double osg::EllipsoidModel::_radiusEquator [protected]

Referenced by computeCoefficients(), convertLatLongHeightToXYZ(), convertXYZToLatLongHeight(), getRadiusEquator(), isWGS84(), and setRadiusEquator().

double osg::EllipsoidModel::_radiusPolar [protected]

Referenced by computeCoefficients(), convertXYZToLatLongHeight(), getRadiusPolar(), isWGS84(), and setRadiusPolar().

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

• osg/CoordinateSystemNode