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Subject: 
Re: Status of BFC
Newsgroups: 
lugnet.cad.dev
Date: 
Wed, 4 Aug 2004 03:29:15 GMT
Viewed: 
4865 times
  
In lugnet.cad.dev, Wayne Gramlich wrote:
> In lugnet.cad.dev, Chris Dee wrote:
> > In lugnet.cad.dev, Travis Cobbs wrote:
> > > In lugnet.cad.dev, Gunnar  Lindholm wrote:
> > > > Hi there.
> > > > I just found this about BFC. As I understand it, it's intended to be used to
> > > > reduce the amount of polygons etc. in the modell that is renderd, in some
> > > > way?
> > > > If I've understood this correctly, is thisthen used in any current tools for
> > > > rendering? Or do tools like Pov-Ray have some kind of this already?
> > > 
> > > I'll be supporting it in the next major LDView version (3.0).  I really don't
> > > have an estimated completion date for this at the moment, but I at least hope to
> > > have it out before the end of the year.  There could be minor LDView updates
> > > before the 3.0 release; they definitely won't have BFC support.
> > > 
> > > It's worth mentioning that on my ATI Radeon 9700 Pro, making use of the BFC
> > > information actually slows down rendering.  On a GeForce 3, it provides a slight
> > > speedup.
> > > 
> > > At this point, a fair number of the parts in the part library are BFC-certified,
> > > but there are a large number aren't.  Part of the BFC spec requires
> > > BFC-compliant renderers to only cull back-faces on parts that are actually
> > > compliant, so non-BFC-certified parts will still look fine.
> > > 
> > > --Travis Cobbs
> > 
> > Some part authors have been making major advances in getting the official
> > library BFC compliant - notably Guy Vivan has been submitting BFCed files almost
> > daily in recent months.
> > 
> > These revised parts are in the Parts Tracker waiting for review. More reviewer
> > activity would be most welcome.
> > 
> > Chris
> 
> Alll:
> 
> Could somebody please tell me where the BFC documentation is?  I've
> read the specifications at LDraw.Org and I see no mention of it.
> 
> -Wayne

It's listed.  It's on the Specifications page under the Standards heading with
the title of "LDraw Language Extension for Clipping (BFC)".  Here's a direct
link:
http://www.ldraw.org/article/217

-Orion



Message has 1 Reply:
  Re: Status of BFC
 
(...) -Wayne (22 years ago, 4-Aug-04, to lugnet.cad.dev)

Message is in Reply To:
  Re: Status of BFC
 
(...) Alll: Could somebody please tell me where the BFC documentation is? I've read the specifications at LDraw.Org and I see no mention of it. -Wayne (22 years ago, 4-Aug-04, to lugnet.cad.dev)

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