Subject:
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Re: LDraw File Format Spec 1.0 DRAFT - Call for Public Comments
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Newsgroups:
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lugnet.cad
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Date:
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Tue, 28 Aug 2007 20:46:52 GMT
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Viewed:
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4424 times
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In lugnet.cad, Kevin L. Clague wrote:
> Hi Rob,
> Not to be indelicate, but LDraw was around *before* OpenGL. That said, I
> think the document *must* explicitly show something like this:
Actually, SGI released OpenGL in 1992, and (according to ldraw.org) James
released LDraw in 1995. So OpenGL predates LDraw by 3 years.
> Furthermore I think the document must explain x, y and z. If I remember
> correctly above the origin, y is negative.
Good point. You are correct that -y is "up". I don't see that anywhere in the
spec, and it's quite important.
--Travis
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