In another A class surfacing software I have been able to control the order of a 'curve on surface'.
Practically speaking making the curve as simple as possible but achieving an acceptable shape. The resultant trim form this curve being much easier to match to for subsequent surfaces.
Normally I would start from an isoparam curve on surface, which on a bezier surface would give a curve of a similar order without knots, but software would allow full control of degree and spans of this 2D curve. Then Using an xform tool to give simple u/v (on surface) movement of cv's to achieve required shape. This is something I cannot replicate in alias without extra work of projecting and manipulating 3D Curves and the resultant higher order of trim this creates.
Edit points do not seem to be an effective way of modifying a curve on surface.
Sure its possible in the maths of the curve on surface.
