Subject:
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Re: LPub Error Message?
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Newsgroups:
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lugnet.cad
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Date:
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Thu, 16 Dec 2010 04:40:50 GMT
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Viewed:
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17192 times
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In lugnet.cad, Travis Cobbs wrote:
> In lugnet.cad, Dave Schuler wrote:
> > One other thing... Presumably LDView expects all sub-parts and primitives to
> > match the same format too? That is, should they all have a BFC command as
> > the first action?
>
> Sorry for the delay. Yes, all sub-parts and primitives must have some BFC
> command prior to the first action in order for BFC processing to be enabled
> for the sub-part/primitive. (This is typically 0 BFC CERTIFY, incidentally.)
>
> --Travis
What does BFC actually do? I have not noticed that it makes anything render
faster when BFC is enabled...at least not in my limited experience.
I have used the BFC statements to create the normal to the quad / triangle plane
in the correct direction...for lighting enabled rendering.
So what is culling supposed to make better?
Thanks,
Scott
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Message has 1 Reply:
 | | Re: LPub Error Message?
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| (...) Its main purpose is performance. On my Mac (which has a crappy video card), I get between 10% and 15% improved frame rate on LDView's 8464.mpd sample model with default LDView settings vs. the same settings with BFC disabled. Having said that, (...) (14 years ago, 16-Dec-10, to lugnet.cad)
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Message is in Reply To:
| | Re: LPub Error Message?
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| (...) Sorry for the delay. Yes, all sub-parts and primitives must have some BFC command prior to the first action in order for BFC processing to be enabled for the sub-part/primitive. (This is typically 0 BFC CERTIFY, incidentally.) --Travis (14 years ago, 16-Dec-10, to lugnet.cad, FTX)
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