Parts Primitives : 350


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Special:	[DAT] (requires LDraw-compatible viewer)
Subject:	Stud5 and type 5 lines at edge of cylinders.
Newsgroups:	lugnet.cad.dat.parts.primitives
Date:	Fri, 15 Aug 2003 05:45:01 GMT
Viewed:	3271 times

I recently reworked the stud 5 primitive to make use of more quarter cylinders. I then noticed that when viewed there were edge lines apearing where they shouldn't. If you look at the primitive from various points you can see this occur. 0 Stud Scala 0 Name: stud5.dat 0 Author: Tore Eriksson 0 LDRAW_ORG Primitive UPDATE 2002-02 0 BFC CERTIFY CW 0 2002-04-04 SEB Modified for BFC compliance 0 0 BFC INVERTNEXT 1 16 0 -4 0 8 0 0 0 4 0 0 0 8 4-4cyli.dat 1 16 0 0 0 1 0 0 0 1 0 0 0 1 stud.dat 1 16 0 0 0 8 0 0 0 1 0 0 0 8 4-4edge.dat 1 16 0 -4 0 8 0 0 0 1 0 0 0 8 4-4edge.dat 1 16 0 -4 0 5.66 0 5.66 0 1 0 -5.66 0 5.66 4-4ndis.dat 0 1 16 10 0 10 4.24 0 4.24 0 1 0 -4.24 0 4.24 2-4edge.dat 1 16 10 0 10 4.24 0 4.24 0 -4 0 -4.24 0 4.24 2-4cyli.dat 1 16 10 -4 10 4.24 0 4.24 0 1 0 -4.24 0 4.24 2-4edge.dat 1 16 10 -4 10 4.24 0 4.24 0 1 0 -4.24 0 4.24 2-4disc.dat 0 4 16 14.25 -4 5.80 12.47 -4 3.14 3.14 -4 12.47 5.80 -4 14.25 4 16 12.47 -4 3.14 11.85 -4 0 0 -4 11.85 3.14 -4 12.47 4 16 11.85 -4 0 11.32 -4 0 0 -4 11.32 0 -4 11.85 0 0 BFC INVERTNEXT 1 16 0 -4 20.05 -5.80 0 5.80 0 4 0 -5.80 0 -5.80 1-4cyli.dat 1 16 0 0 20.05 -5.80 0 5.80 0 1 0 -5.80 0 -5.80 1-4edge.dat 1 16 0 -4 20.05 -5.80 0 5.80 0 1 0 -5.80 0 -5.80 1-4edge.dat 0 1 16 -10 0 10 4.24 0 -4.24 0 1 0 4.24 0 4.24 2-4edge.dat 1 16 -10 0 10 4.24 0 -4.24 0 -4 0 4.24 0 4.24 2-4cyli.dat 1 16 -10 -4 10 4.24 0 -4.24 0 1 0 4.24 0 4.24 2-4edge.dat 1 16 -10 -4 10 4.24 0 -4.24 0 1 0 4.24 0 4.24 2-4disc.dat 0 4 16 -5.80 -4 14.25 -3.14 -4 12.47 -12.47 -4 3.14 -14.25 -4 5.80 4 16 -3.14 -4 12.47 0 -4 11.85 -11.85 -4 0 -12.47 -4 3.14 4 16 0 -4 11.85 0 -4 11.32 -11.32 -4 0 -11.85 -4 0 0 0 BFC INVERTNEXT 1 16 -20.05 -4 0 5.80 0 5.80 0 4 0 -5.80 0 5.80 1-4cyli.dat 1 16 -20.05 0 0 5.80 0 5.80 0 1 0 -5.80 0 5.80 1-4edge.dat 1 16 -20.05 -4 0 5.80 0 5.80 0 1 0 -5.80 0 5.80 1-4edge.dat 0 1 16 -10 0 -10 -4.24 0 -4.24 0 1 0 4.24 0 -4.24 2-4edge.dat 1 16 -10 0 -10 -4.24 0 -4.24 0 -4 0 4.24 0 -4.24 2-4cyli.dat 1 16 -10 -4 -10 -4.24 0 -4.24 0 1 0 4.24 0 -4.24 2-4edge.dat 1 16 -10 -4 -10 -4.24 0 -4.24 0 1 0 4.24 0 -4.24 2-4disc.dat 0 4 16 -14.25 -4 -5.80 -12.47 -4 -3.14 -3.14 -4 -12.47 -5.80 -4 -14.25 4 16 -12.47 -4 -3.14 -11.85 -4 0 0 -4 -11.85 -3.14 -4 -12.47 4 16 -11.85 -4 0 -11.32 -4 0 0 -4 -11.32 0 -4 -11.85 0 0 BFC INVERTNEXT 1 16 0 -4 -20.05 5.80 0 -5.80 0 4 0 5.80 0 5.80 1-4cyli.dat 1 16 0 0 -20.05 5.80 0 -5.80 0 1 0 5.80 0 5.80 1-4edge.dat 1 16 0 -4 -20.05 5.80 0 -5.80 0 1 0 5.80 0 5.80 1-4edge.dat 0 1 16 10 0 -10 -4.24 0 4.24 0 1 0 -4.24 0 -4.24 2-4edge.dat 1 16 10 0 -10 -4.24 0 4.24 0 -4 0 -4.24 0 -4.24 2-4cyli.dat 1 16 10 -4 -10 -4.24 0 4.24 0 1 0 -4.24 0 -4.24 2-4edge.dat 1 16 10 -4 -10 -4.24 0 4.24 0 1 0 -4.24 0 -4.24 2-4disc.dat 0 4 16 5.80 -4 -14.25 3.14 -4 -12.47 12.47 -4 -3.14 14.25 -4 -5.80 4 16 3.14 -4 -12.47 0 -4 -11.85 11.85 -4 0 12.47 -4 -3.14 4 16 0 -4 -11.85 0 -4 -11.32 11.32 -4 0 11.85 -4 0 0 0 BFC INVERTNEXT 1 16 20.05 -4 0 -5.80 0 -5.80 0 4 0 5.80 0 -5.80 1-4cyli.dat 1 16 20.05 0 0 -5.80 0 -5.80 0 1 0 5.80 0 -5.80 1-4edge.dat 1 16 20.05 -4 0 -5.80 0 -5.80 0 1 0 5.80 0 -5.80 1-4edge.dat 0

Message has 1 Reply:

		Re: Stud5 and type 5 lines at edge of cylinders.
(...) Ahh, the dreaded S-curve cylinder join rears it's ugly head again. I voted to ignore this a while back and gave my reasons. (URL) disagreed at the time. Don (21 years ago, 15-Aug-03, to lugnet.cad.dat.parts.primitives)

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