[Therion] Is therion data dimensions like survex *data passage

Thought I'd actually read the survey manual (at long last). Is Therion's 'data dimensions' data input style intended to have the same as effect as Survex's '*data passage' input style? Ie Allow arbitrary definition of 3d passage tubes between survey stations regardless to the survey centreline route between stations. If so it adds some possibilities I hadn't thought of. However Therion's ability to use plan drawing outlines to define 3d passage tubes might supersede them. Still, it would be good to know the possibilites. Bruce