LEGO Elements/Parts : 5665


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Special:	[DAT] (requires LDraw-compatible viewer)
Subject:	Re: Conditional lines on sloped wedge parts 43720 and 43721
Newsgroups:	lugnet.cad.dat.parts
Date:	Tue, 26 Apr 2005 04:20:38 GMT
Viewed:	4887 times

In lugnet.cad.dat.parts, Don Heyse wrote: > Nice, I like the idea of the quadric primitive, but we want to > add some curvature to the LDRAW version, right? I fiddled a bit > with the part a few days ago, starting with the two triangles > outlined by your primitive. I didn't exactly finish, but I think > if you take this and make a surface that follows the green X and > also follows the red stripes, you end up with something pretty > decent where the optional lines work. > > Don > > > > > 0 Wedge 4 x 2 Sloped Left > 0 Name: 43721.dat > 0 Author: Donald Sutter > 0 LDRAW_ORG Part UPDATE 2004-04 > 0 Unofficial hack for testing purposes. > 0 > 1 16 -10 0 30 0 0 1 0 1 0 -1 0 0 stud.dat > 1 16 -10 0 10 0 0 1 0 1 0 -1 0 0 stud.dat > 1 16 -10 0 -10 0 0 1 0 1 0 -1 0 0 stud.dat > 1 16 -10 0 -30 0 0 1 0 1 0 -1 0 0 stud.dat > 0 > 2 4 5 20 -20 0 0 -20 > 2 4 10 20 0 0 0 0 > 2 4 15 20 20 0 0 20 > 0 > 2 2 0 20 -40 3.75 15 -20 > 2 2 3.75 15 -20 5 10 0 > 2 2 5 10 0 3.75 5 20 > 2 2 3.75 5 20 0 0 40 > 0 > 2 2 0 0 -40 1.25 5 -20 > 2 2 1.25 5 -20 5 10 0 > 2 2 5 10 0 11.25 15 20 > 2 2 11.25 15 20 20 20 40 > 0 > 3 46 0 0 -40 0 20 -40 3.75 15 -20 > 3 46 0 0 -40 3.75 15 -20 5 10 0 > 3 46 0 0 -40 5 10 0 3.75 5 20 > 3 46 0 0 -40 3.75 5 20 0 0 40 > 0 > 3 45 20 20 40 0 20 -40 3.75 15 -20 > 3 45 20 20 40 3.75 15 -20 5 10 0 > 3 45 20 20 40 5 10 0 3.75 5 20 > 3 45 20 20 40 3.75 5 20 0 0 40 > 0 > 1 16 0 0 0 -1 0 0 0 1 0 0 0 1 s\43720s01.dat > 0 The following are the appropriate conditionals for Don's surface. Playing with it you can have angles where the conditionals seem to go too far, but it's certainly much better than the current ones. (Note that the last 4 conditionals are only there to keep the surface smooth in LDView. I'm not sure if that's appropriate or not, but it looks a whole lot better in LDView with them present. It looks positively wretched without them.) 0 5 24 0 0 -40 3.75 15 -20 0 20 -40 5 10 0 5 24 0 0 -40 5 10 0 3.75 15 -20 3.75 5 20 5 24 0 0 -40 3.75 5 20 5 10 0 0 0 40 0 5 24 20 20 40 3.75 15 -20 0 20 -40 5 10 0 5 24 20 20 40 5 10 0 3.75 15 -20 3.75 5 20 5 24 20 20 40 3.75 5 20 5 10 0 0 0 40 0 5 24 0 20 -40 3.75 15 -20 0 0 -40 20 20 40 5 24 3.75 15 -20 5 10 0 0 0 -40 20 20 40 5 24 5 10 0 3.75 5 20 0 0 -40 20 20 40 5 24 3.75 5 20 0 0 40 0 0 -40 20 20 40 0

Message has 1 Reply:

		Re: Conditional lines on sloped wedge parts 43720 and 43721
(...) Hey, thanks testing it out. You're right about the conditionals zig-zagging a bit. I still have the feeling that if the surface were pinned down to the concave green line those zig-zags would go away. But I couldn't decide whether to divvy it (...) (20 years ago, 26-Apr-05, to lugnet.cad.dat.parts)

Message is in Reply To:

		Re: Conditional lines on sloped wedge parts 43720 and 43721 [DAT]
(...) Nice, I like the idea of the quadric primitive, but we want to add some curvature to the LDRAW version, right? I fiddled a bit with the part a few days ago, starting with the two triangles outlined by your primitive. I didn't exactly finish, (...) (20 years ago, 25-Apr-05, to lugnet.cad.dat.parts)

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