Syntax, Geometry Type 104

Coordinates and parameter, controlling side web with geometry type 104:

The significance of the values is illustrated by the image above. The free side is defined by its minimum distance (m1) from the frame curve and by its distance from the center line of the ship either at its lower or its upper end.

The distance at its lower end is given by using U1 or Y1, at the upper end by using U2 or Y2.