Subject:
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Re: Cylinder Primitive conditional lines
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Newsgroups:
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lugnet.cad.dev
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Date:
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Thu, 31 Oct 2002 14:23:47 GMT
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Viewed:
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759 times
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In lugnet.cad.dev, Orion Pobursky writes:
> I noticed that some of the fraction cylinder primitives (1-8, 2-4, 3-4, 3-8)
> are missing a conditional line at one end. The 1-4 cylinder has type 5
> lines at both ends. Is there any reason for the missing type 5 line? If
> so, why? Is there any reason the missing type 5 line can't be added? If
> not, why? If it is decided that the missing type 5 line can be added, I'm
> willing to do the work. The reason I'm asking is that the missing type 5
> line seems to be a frequent cause of hold votes on the PT lately.
There was a discussion on this very topic about 6-8 months ago.
Look here:
http://news.lugnet.com/cad/dat/parts/?n=3369
and here:
http://news.lugnet.com/cad/dev/?n=7170
I can't remember what the final result was because the sphere primitives
got involved. I thought the answer was to put *different* type 5 lines
at the two ends. These would continue straight out instead of following
the curve around the cylinder. That way you could butt the cylinder
primitive up against a flat edge and the type 5 line wouldn't show. But
if you butt two cylinder primitives together one of the two half angled
type 5 lines would show up, depending on your viewing direction.
I guess this never got implemented though, except maybe in the sphere
primitives. Oh well.
Enjoy,
Don
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Message is in Reply To:
 | | Cylinder Primitive conditional lines
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| I noticed that some of the fraction cylinder primitives (1-8, 2-4, 3-4, 3-8) are missing a conditional line at one end. The 1-4 cylinder has type 5 lines at both ends. Is there any reason for the missing type 5 line? If so, why? Is there any reason (...) (22 years ago, 31-Oct-02, to lugnet.cad.dev)
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