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 CAD / Development / 9721
9720  |  9722
Subject: 
Re: Primitive Generator program update
Newsgroups: 
lugnet.cad.dev
Date: 
Mon, 21 Jun 2004 13:29:40 GMT
Viewed: 
1652 times
  
In lugnet.cad.dev, Paul Easter wrote:
I can do that.  Now why didn't I know that CCW was the standard winding?
Maybe the 2x4 didn't hit hard enough?  ;)

Just for the record, this is set out in the BFC standard,
<http://www.ldraw.org/article/217>.  In the section "Parts Library Guidelines",
it is stated:

It is desirable for all files to use the same winding. When possible,
files should use counter-clockwise winding. The actual winding for any
part is left to the file author. Primitives should always use CCW
winding.

Interesting side note: this section also says:
New parts will not be required to be compliant with this extension.
They will be required to carry a 0 BFC tag, indicating either
compliance or non-compliance.

Which means we should be slapping 0 BFC NOCERTIFY tags on all non-BFC parts
before they are released...

Steve



Message has 1 Reply:
  Re: Primitive Generator program update
 
(...) ok. (...) Might need to job parts reviewers memories to this detail. (maybe this post will) (...) I have uploaded the update to the webpage; (URL) me know if that is any better, and if I caused any other bugs. I did not spend much time (...) (20 years ago, 23-Jun-04, to lugnet.cad.dev)

Message is in Reply To:
  Re: Primitive Generator program update
 
(...) I can do that. Now why didn't I know that CCW was the standard winding? Maybe the 2x4 didn't hit hard enough? ;) Paul (20 years ago, 20-Jun-04, to lugnet.cad.dev)

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