Subject:
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Re: No mention of scale in file format doc
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Newsgroups:
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lugnet.cad.dev.org.ldraw
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Date:
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Fri, 25 Feb 2005 14:07:30 GMT
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Viewed:
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1380 times
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In lugnet.cad.dev.org.ldraw, Orion Pobursky wrote:
> In lugnet.cad.dev.org.ldraw, Steve Bliss wrote:
> > The basic file format specification should not include any mention of winding,
> > except maybe "specific winding is not required (but it is a good thing). If you
> > are interested, check out the BFC spec <link>".
>
> All BFC requires is uniform, non-bowtie winding. While currently the spec
> doesn't require winding, I see no reason not to revise the new spec to make it a
> requirement. On the flip side there are many file still left in the loibrary
> with a bowtie winding so changing the spec before we fix those parts might not
> be prudent.
But what's required by/for the parts library is different from what the basic
file format spec lays out. I think it is better (more flexible, easier to
write) for the file format to be flexible.
When I'm doing rough coding of new parts, I don't care about winding, and I'd
find it less than useful if a renderer could not handle 'unwound' polygons.
Likewise, if I'm doing non-lego work, it's usually quick-and-dirty, and keeping
cleanly wound polygons is not high on my priorities.
I doubt I'm the only person who uses the LDraw 'language' this way.
> > In particular, a somewhat mysterious diagram labeled "bad" is more confusing
> > than helpful, IMO.
>
> True, It was just something I whipped up in a rush with the intention of making
> a better example later.
nod, ok.
Steve
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Message has 1 Reply:
Message is in Reply To:
 | | Re: No mention of scale in file format doc
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| (...) All BFC requires is uniform, non-bowtie winding. While currently the spec doesn't require winding, I see no reason not to revise the new spec to make it a requirement. On the flip side there are many file still left in the loibrary with a (...) (20 years ago, 25-Feb-05, to lugnet.cad.dev.org.ldraw)
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