Yes, I'm writing code that automatically creates hills, trees, rocks, etc for the user. What I want is for the user to create a line on the plane that has been created and for them to press a button which will create a road along that line.
Select a path or shape. Create panel (Geometry) Compound Objects Object Type rollout Loft Select a path or shape. Create menu Compound Objects Loft Or search in max reference compound loft.