/// Returns the X double value
GEOMDATA_EXPORT virtual double x() const;
/// Returns the Y double value
GEOMDATA_EXPORT virtual double y() const;
/// Returns the 2D point
/// Returns the X double value
GEOMDATA_EXPORT virtual double x() const;
/// Returns the Y double value
GEOMDATA_EXPORT virtual double y() const;
/// Returns the 2D point