Someday soon i need to upload to Tim/Ryan some of my hull lines (buttocks and waterlines) that are turning up weird. For instance, i export from Delftship as .dxf my hull lines. There are waterlines, buttocks, edges, and stations. Into ViaCAD, i import the lines, create layers for respective starboard and port geometry, various waterlines, but not yet the buttocks. (Buttocks can be visualized as the curves visibly resulting if you cut downward on a bar of soap or block of cheese or some item that has curvature... Even better, imagine an ellips, or, better yet, a submarine hull that you see on one side/profile elevation. Now drop planes down from bow to stern and successively do this frm the outermost edge of the hull to the centerline and on to the opposite side. The buttocks will defin the shape of the hull in that view. Waterlines and stations do similar for other views...)
When I click on one of the buttocks the beginning and ending X points are coming up as the same, but buttocks are pretty much like that only if dealing with sonar bulbs or local protrusions or indents because they may be oval in nature. I don't think that should happen for a line that starts at the bow and terminates at the stern.
Stations and edges are fine. The waterlines are, too, for the most part, too. Actually, since Delftship is not a fine-modeling tool, some of the keel curves curve up or in a manner that ViaCAD might trip over aggravating ACIS mindset about sweeps that turn inward on themselves.
Part of my problem is that i allow myself to get hung up on tiny little details. But, in a sense that's not bad. Even though i'm not desiging my ships as if some yard will build them, one of my supervisors tells me that is exactly what i should do. It will reflect on my work and help make me better at CAD. Unfortunately for that case, work uses AutoCAD, and i'm NOT going to do my ships in AutoCAD. I don't personally enjoy using AC for my work, particularly since it's expensive, AClite doesn't loft/surface/do solids, AC 9 & 10 (IIRC) don't do CGs (centers of gravity), and are just way too feature-filled to bother with much of what's in there. VC is a nice balance for me.
I'll try to get around to putting some of my work up behind a link so you can see.
BTW, any of you heard about this?
http://www.stx.co.kr/english/pr...earchColumn=&searchWord=Kewl, that an office worker not really familiar with ships won a design/lego modeling contest for a passenger ship design. Maybe one day i'll achieve the same for "naval cruiser/maritime policing vessels designed by non-engineers".