+ /// Returns point 2d from selected vertex
+ /// \param theView a view window
+ /// \param theShape a vertex shape
+ /// \param theX an output value of X coordinate
+ /// \param theY an output value of Y coordinate
+ bool getPoint2d(const Handle(V3d_View)& theView, const TopoDS_Shape& theShape,
+ double& theX, double& theY) const;
+