The GroupOfLoops type exposes the following members.
A list of the idices of the faces that were adjacent and onside to the straddle faces
Gets the loops of negative area (i.e. holes).
A list of the on plane faces formed by the triangulation of the loops
The faces that were formed on-side for all the loops in this group.
Gets the positive loop.
A list of the idices of the straddle faces
Gets all loops in one list (the positive loops are followed by the negative loops).