/// <summary>
/// Returns a point on a surface at given U, V parameter.
/// </summary>
/// <param name="u">U parameter value.</param>
/// <param name="v">V parameter value.</param>
/// <returns>Point</returns>
public Point PointAtParameter(double u, double v)
{
return(Point.AtParameter(this, u, v));
}
/// <summary>
/// Returns a point with offset distance from a point at U.V parameter of the surface
/// </summary>
/// <param name="u">U parameter value in the range of [0.0, 1.0]. </param>
/// <param name="v">V parameter value in the range of [0.0, 1.0]. </param>
/// <param name="offset"></param>
/// <returns></returns>
public Point PointAtParameter(double u, double v, double offset)
{
return(Point.AtParameter(this, u, v, offset));
}
