Public Member Functions | Protected Member Functions | Protected Attributes

osg::EllipsoidModel Class Reference

Inheritance diagram for osg::EllipsoidModel:
osg::Object osg::Referenced

List of all members.

Public Member Functions

 EllipsoidModel (double radiusEquator=WGS_84_RADIUS_EQUATOR, double radiusPolar=WGS_84_RADIUS_POLAR)
 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
osg::Vec3d computeLocalUpVector (double X, double Y, double Z) const

Protected Member Functions

void computeCoefficients ()

Protected Attributes

double _radiusEquator
double _radiusPolar
double _eccentricitySquared

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.

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().

Member Function Documentation

void osg::EllipsoidModel::computeCoefficients (  )  [inline, protected]

References _eccentricitySquared, _radiusEquator, and _radiusPolar.

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

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

References computeLocalToWorldTransformFromXYZ(), and convertLatLongHeightToXYZ().

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

References osg::Matrixd::makeTranslate().

Referenced by computeLocalToWorldTransformFromLatLongHeight().

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

References osg::Vec3d::normalize().

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.

double osg::EllipsoidModel::getRadiusEquator (  )  const [inline]

References _radiusEquator.

double osg::EllipsoidModel::getRadiusPolar (  )  const [inline]

References _radiusPolar.

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().

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(), and setRadiusEquator().

double osg::EllipsoidModel::_radiusPolar [protected]

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

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