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From Chris Hanson, added EllipsoidModel::isWGS84() method and clean up on comments.

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Robert Osfield 2009-07-24 14:25:34 +00:00
parent 614db9ee4a
commit 2e0f1dc0d1
1 changed files with 11 additions and 2 deletions
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13
include/osg/CoordinateSystemNode
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@ -62,6 +62,15 @@ class EllipsoidModel : public Object
inline osg::Vec3d computeLocalUpVector(double X, double Y, double Z) const;
// Convenience method for determining if EllipsoidModel is a stock WGS84 ellipsoid
inline bool isWGS84() const {return(_radiusEquator == WGS_84_RADIUS_EQUATOR && _radiusPolar == WGS_84_RADIUS_POLAR);}
// Compares two EllipsoidModel by comparing critical internal values.
// Ignores _eccentricitySquared since it's just a cached value derived from
// the _radiusEquator and _radiusPolar members.
friend bool operator == ( const EllipsoidModel & e1, const EllipsoidModel& e2) {return(e1._radiusEquator == e2._radiusEquator && e1._radiusPolar == e2._radiusPolar);}
protected:
void computeCoefficients()
@ -95,7 +104,7 @@ class OSG_EXPORT CoordinateSystemNode : public Group
META_Node(osg,CoordinateSystemNode);
/** Set the coordinate system node up by copy the format, coordinate system string, and ellipsoid model of another coordinate system node.*/
/** Set the coordinate system node up by copying the format, coordinate system string, and ellipsoid model of another coordinate system node.*/
void set(const CoordinateSystemNode& csn);
/** Set the coordinate system format string. Typical values would be WKT, PROJ4, USGS etc.*/
@ -123,7 +132,7 @@ class OSG_EXPORT CoordinateSystemNode : public Group
/** Compute the local coordinate frame for specified point.*/
CoordinateFrame computeLocalCoordinateFrame(const Vec3d& position) const;
/** Compute the local coordinate frame for specified point.*/
/** Compute the local up-vector for specified point.*/
osg::Vec3d computeLocalUpVector(const Vec3d& position) const;
protected: