To Smooth a Spline in Legacy
1. Click Smooth on the MOD SPLINE menu.
2. Type any positive value for a number of points that are to be averaged together to smooth the spline. The centermost point on the spline and the appropriate number of points on each side of it are averaged.
3. To accept the changed spline, click Confirm on the CONFIRMATION menu.
To reject it, click Cancel and specify a different number of points.