Once the individual polyline sections have been process, for example, so that there is only one curve at each longitudinal location, they can be be grouped into one entity so that the data can be processed and analysed as a whole. Polylines can be grouped into a Polyline List using two options available from the Multiple Selection menu on the Right-Click popup menu.
Create Polyline Group
The Create Polyline Group option combines the selected Polylines into a Polyline List entity, removing the individual polyline entities from graphics window.
Create Polyline Hull
The Create Polyline Hull performs combines the selected Polylines into a Polyline List entity as the option above. In addition, the option also sorts the polyline data so that the sections are arranged in ascending x order and that the first point of each section in on the keel by search for the point that has the lowest combined y and z values. Finally, the mirrored option will be set to true. The original polyline entities from graphics window.
Closing Section and Ordering Points >>>