Subject:
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Re: [Parts Tracker] More BFC Primitives
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Newsgroups:
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lugnet.cad.dev.org.ldraw
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Date:
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Fri, 5 Apr 2002 18:46:12 GMT
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Viewed:
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318 times
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In lugnet.cad.dev.org.ldraw, Steve Bliss writes:
> > Um... Not to stir the pot or anything but I was reading the BFC proposal on
> > your website and noticed that the BFC specification says that all primitves
> > must be certified CCW. Did this get revised via discussion and not updated?
For starters, I recently tried to track down the BFC specification but
couldn't find it (on ldraw.org or on Steve's site). Could someone post the
link please?
> At this point, I'm as inclined to delete the clause from the spec as to
> keep it (and modify the primitives specified as CW).
If it doesn't matter from a performance perspective, I vote you kill the clause.
--
Tony Hafner
www.hafhead.com
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Message has 1 Reply: ![](/news/x.gif) | | Re: [Parts Tracker] More BFC Primitives
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| (...) (URL) (...) I think the only way it would matter for performance is if we decided that the *entire* library would be CW or CCW, and so rendering programs wouldn't have to check the winding direction at all. And that would be a very small (...) (22 years ago, 5-Apr-02, to lugnet.cad.dev.org.ldraw)
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Message is in Reply To:
![](/news/x.gif) | | Re: [Parts Tracker] More BFC Primitives
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| (...) There was some discussion whether one winding was better or not. Not limited to primitives, just in general. I think I arbitrarily put in the clause about all primitives being CCW, mostly to promote consistency, but also partly to see if it (...) (22 years ago, 5-Apr-02, to lugnet.cad.dev.org.ldraw)
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21 Messages in This Thread: ![[Parts Tracker] More BFC Primitives -Steve Bliss (4-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/246.gif) ![Re: [Parts Tracker] More BFC Primitives -Orion Pobursky (4-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: [Parts Tracker] More BFC Primitives -Steve Bliss (5-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![You are here](/news/here.gif) ![](/news/46.gif) ![Re: [Parts Tracker] More BFC Primitives -Steve Bliss (5-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/246.gif) ![Re: [Parts Tracker] More BFC Primitives -Orion Pobursky (5-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: [Parts Tracker] More BFC Primitives -Travis Cobbs (6-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: [Parts Tracker] More BFC Primitives -Kyle McDonald (6-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: [Parts Tracker] More BFC Primitives -Steve Bliss (8-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: [Parts Tracker] More BFC Primitives -Kyle McDonald (9-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/246.gif) ![Re: [Parts Tracker] More BFC Primitives -Kyle McDonald (9-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: [Parts Tracker] More BFC Primitives -Steve Bliss (9-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: [Parts Tracker] More BFC Primitives -Travis Cobbs (11-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: [Parts Tracker] More BFC Primitives -Kyle McDonald (11-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Implicit face winding (was: [Parts Tracker] More BFC Primitives) -Tony Hafner (12-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: Implicit face winding (was: [Parts Tracker] More BFC Primitives) -Kyle McDonald (12-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: Implicit face winding (was: [Parts Tracker] More BFC Primitives) -Tony Hafner (12-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![Re: [Parts Tracker] More BFC Primitives -Damien Guichard (5-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: [Parts Tracker] More BFC Primitives -Steve Bliss (5-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif)
![](/news/x.gif) ![](/news/68.gif) ![Re: [Parts Tracker] More BFC Primitives -Tony Hafner (5-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: [Parts Tracker] More BFC Primitives -Steve Bliss (8-Apr-02 to lugnet.cad.dev.org.ldraw)](/news/x.gif)
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