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 CAD / Development / Organizations / LDraw / 3462
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Subject: 
Re: No mention of scale in file format doc
Newsgroups: 
lugnet.cad.dev.org.ldraw
Date: 
Sat, 26 Feb 2005 03:55:03 GMT
Viewed: 
1046 times
  
In lugnet.cad.dev.org.ldraw, Steve Bliss wrote:
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.

I see your point.  I changed the wording and removed the images.

-Orion



Message has 1 Reply:
  Re: No mention of scale in file format doc
 
(...) Thank you very much! Can you also add similar text under linetype 3? Steve (20 years ago, 28-Feb-05, to lugnet.cad.dev.org.ldraw)

Message is in Reply To:
  Re: No mention of scale in file format doc
 
(...) 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 (...) (20 years ago, 25-Feb-05, to lugnet.cad.dev.org.ldraw)

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