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 CAD / Development / 4362
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Subject: 
Re: Some Words To BFC
Newsgroups: 
lugnet.cad.dev
Date: 
Thu, 6 Apr 2000 02:07:48 GMT
Viewed: 
6814 times
  
In lugnet.cad.dev, John VanZwieten wrote:

> Can Michael or any other programmers estimate the time savings from being
> able to assume all parts as BFC compliant, rather than having to check each
> one?

Good point.  We definitely *should* muddy this discussion up with some
real facts. ;)

> > I *strongly* feel that (b) is the better option.  This is one of the
> > core assumptions of the current BFC spec proposal.
> 
> Does the strength of your opinion depend at all on just how difficult it is
> to fix a part?

Yes and no.  Something that's easy to do is definitely less of a
'requirement' than something that's a lot of work.  But it's still a
requirement, placed on people who are voluntarily contributing their
work.

> What if it's just a matter of downloading a program and
> typing "bfcfix newpart.dat"?  What if it takes just a couple additional
> minutes to make further corrections?  I guess I'd say if it takes more than
> 10-15 minutes then we shouldn't require it.

A short process should be no big deal, especially if it's a matter of
the program showing troublesome faces, and the user/author indicating
the correct winding.

I'm more worried about automatic correction of transform matrices on
linetype 1 commands.

Steve



Message has 1 Reply:
  Re: Some Words To BFC
 
(...) I can't speak for the other programs but if you allow a part to have CCW and CW faces in any OpenGL program, it's going to be slower (but as LeoCAD's library is pre-processed than it won't be a problem). If you have some parts BFC compliant (...) (26 years ago, 6-Apr-00, to lugnet.cad.dev)

Message is in Reply To:
  Re: Some Words To BFC
 
Steve Bliss <blisses@worldnet.att.net> wrote in message news:v96neskqugbi18b...4ax.com... (...) use to (...) object (it (...) faces (...) choose (...) in some (...) required to (...) the (...) You make a very good point here, Steve (especially (...) (26 years ago, 5-Apr-00, to lugnet.cad.dev)

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