Special:
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[DAT] (requires LDraw-compatible viewer)
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Subject:
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Re: Mistake in 2-4cyli?
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Newsgroups:
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lugnet.cad.dat.parts.primitives
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Date:
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Thu, 27 May 1999 20:54:57 GMT
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Viewed:
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936 times
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On Thu, 27 May 1999 18:42:54 GMT, "Adam Howard" <abhoward10@hotmail.com>
wrote:
> For the Primitives Committee,
>
> I think I might have found a mistake in 2-4cyli.
>
> It seems there is an optional line missing (or 1 too many).
I just looked at the file. It seems to be OK. There's one 1 conditional
line for each quad, which is right.
Notice that this setup gives a conditional line on one edge of the
half-cylinder, but not on the other.
With one side edged, and the other not edge, when you use two 2-4cyli.dat's
together, you won't get double-edges at the seam. As long as you join the
half-cylinders by rotating, not inverting.
Wrong (inverted Z):
1 16 0 0 0 1 0 0 0 1 0 0 0 1 2-4cyli.dat
1 16 0 0 0 1 0 0 0 1 0 0 0 -1 2-4cyli.dat
Right (rotated around Y 180 degrees):
1 16 0 0 0 1 0 0 0 1 0 0 0 1 2-4cyli.dat
1 16 0 0 0 -1 0 0 0 1 0 0 0 -1 2-4cyli.dat
Steve
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Message has 1 Reply:
 | | Re: Mistake in 2-4cyli?
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| Hi Steve, I disagree with your reasoning. (...) 2-4cyli.dat's (...) If I use 2-4cyli as the 'edge' of a part, such as a window shutter, then on one side I would have an edge line with an optional line over it, and on the other side I would just have (...) (25 years ago, 28-May-99, to lugnet.cad.dat.parts.primitives)
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Message is in Reply To:
| | Mistake in 2-4cyli?
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| For the Primitives Committee, I think I might have found a mistake in 2-4cyli. It seems there is an optional line missing (or 1 too many). I have worked out an analysis, but I can't figure out how to post it to lugnet. So if someone will send out an (...) (25 years ago, 27-May-99, to lugnet.cad.dat.parts.primitives)
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