/// <summary>
        /// Sets the smoothing to 0.5 ft for select surfaces
        /// </summary>
        /// <param name="surface">The surface.</param>
        /// <param name="points">The points.</param>
        /// <returns>TinSurface.</returns>
        public TinSurface SetSmoothing(TinSurface surface, Point3dCollection points)
        {
            try
            {
                PGA.MessengerManager.MessengerManager.AddLog("Start Smoothing for " + surface.Name);


                //Smooth Critical Surfaces//

                if (surface.Name.Contains("GREEN") ||
                    surface.Name.Contains("COLLAR") ||
                    surface.Name.Contains("BUNKER") ||
                    surface.Name.Contains("BRIDGE"))
                {
                    using (Transaction ts = CivilApplicationManager.StartTransaction())
                    {
                        //try
                        //{
                        //    if (!surface.IsWriteEnabled)
                        //        surface.UpgradeOpen();
                        //}
                        //catch (System.Exception ex)
                        //{
                        //    MessengerManager.AddLog("Open for Write Failed: " + surface.Name);

                        //}

                        SurfacePointOutputOptions pointOutputOptions =
                            new SurfacePointOutputOptions();
                        pointOutputOptions.GridSpacingX    = 0.5;
                        pointOutputOptions.GridSpacingY    = 0.5;
                        pointOutputOptions.OutputLocations =
                            SurfacePointOutputLocationsType.GridBased;
                        pointOutputOptions.OutputRegions = new Point3dCollection[]
                        { points };

                        SurfaceOperationSmooth op =
                            surface.SmoothSurfaceByNNI(pointOutputOptions);

                        ts.Commit();
                    }
                    PGA.MessengerManager.MessengerManager.AddLog("End Smoothing for " + surface.Name);
                }
                return(surface);
            }
            catch (System.Exception ex)
            {
                PGA.MessengerManager.MessengerManager.LogException(ex);
            }
            return(null);
        }