void addLine(osg::Vec2 a, osg::Vec2 b, const osg::Vec4& color);
osg::Vec2 projectBearingRange(double bearingDeg, double rangeNm) const;
osg::Vec2 projectGeod(const SGGeod& geod) const;
bool isProjectedClipped(const osg::Vec2& projected) const;
void updateFont();
void addLine(osg::Vec2 a, osg::Vec2 b, const osg::Vec4& color);
osg::Vec2 projectBearingRange(double bearingDeg, double rangeNm) const;
osg::Vec2 projectGeod(const SGGeod& geod) const;
bool isProjectedClipped(const osg::Vec2& projected) const;
void updateFont();