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 13:03:35 GMT
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Viewed:
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833 times
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In lugnet.cad.dev.org.ldraw, Orion Pobursky wrote:
> In lugnet.cad.dev.org.ldraw, Ross Crawford wrote:
> > Regarding the proposed file format document:
> >
> > There is no mention of the scale used by the x/y/z triplets in the various
> > linetypes. I would suggest there should be a paragraph introducing the concept
> > of LDU, and how it relates to bricks and "real life" measurements (inches, cm).
> > Just to make the doc more complete, do you agree?
>
> Have a look now:
> http://www.ldraw.org/article/218
>
> I added LDU and quad winding.
Quoting the some of the new winding material:
"The points of the quadrilateral must be declared in either a clockwise or
counter-clockwise order (see above example images)."
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>".
In particular, a somewhat mysterious diagram labeled "bad" is more confusing
than helpful, IMO.
If someone wants to write a side article spilling all the dirt about winding,
bowties, and etc., that would be very cool.
Steve
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Message has 1 Reply: ![](/news/x.gif) | | 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 (...) (19 years ago, 25-Feb-05, to lugnet.cad.dev.org.ldraw)
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Message is in Reply To:
22 Messages in This Thread: ![No mention of scale in file format doc -Ross Crawford (24-Feb-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/246.gif) ![Re: No mention of scale in file format doc -Jacob Sparre Andersen (24-Feb-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![Re: No mention of scale in file format doc -Dean Earley (24-Feb-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif)
![](/news/x.gif) ![](/news/68.gif) ![Re: No mention of scale in file format doc -Orion Pobursky (25-Feb-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/246.gif) ![You are here](/news/here.gif) ![](/news/46.gif) ![Re: No mention of scale in file format doc -Orion Pobursky (25-Feb-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: No mention of scale in file format doc -Steve Bliss (25-Feb-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: No mention of scale in file format doc -Orion Pobursky (26-Feb-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: No mention of scale in file format doc -Steve Bliss (28-Feb-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif)
![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: No mention of scale in file format doc -Ross Crawford (25-Feb-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: No mention of scale in file format doc -Orion Pobursky (26-Feb-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: No mention of scale in file format doc -Ross Crawford (26-Feb-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: No mention of scale in file format doc -Stefan Gustavson (26-Feb-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/246.gif) ![Re: No mention of scale in file format doc -Orion Pobursky (26-Feb-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: No mention of scale in file format doc -Stefan Gustavson (2-Mar-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: No mention of scale in file format doc -Steve Bliss (2-Mar-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: No mention of scale in file format doc -Orion Pobursky (2-Mar-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: No mention of scale in file format doc -Stefan Gustavson (2-Mar-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif)
![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: No mention of scale in file format doc -Steve Bliss (28-Feb-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/246.gif) ![Re: No mention of scale in file format doc -Willy Tschager (28-Feb-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif)
![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: No mention of scale in file format doc -Stefan Gustavson (2-Mar-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: No mention of scale in file format doc -Steve Bliss (4-Mar-05 to lugnet.cad.dev.org.ldraw)](/news/x.gif)
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