Subject:
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Re: Clipping / CCW / CW / INVERT
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Newsgroups:
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lugnet.cad.dev
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Date:
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Mon, 11 Oct 1999 18:19:53 GMT
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Viewed:
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852 times
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On Fri, 8 Oct 1999 16:04:27 GMT, Rui Martins <Rui.Martins@link.pt> wrote:
> On Fri, 8 Oct 1999, Steve Bliss wrote:
>
> > Right. New programs may handle transparency either way, so the extensions
> > to the description language shouldn't assume which way to go. Plus, the
> > description language usually doesn't know the color/transparency, so we
> > can't assign the CLIPPING setting in the language anyway.
>
> Not exactly!
> If the color has any transparency, force CLIPPING OFF, irrespective of
> what the file TAGS inform.
Right. But that happens at rendering time, not in the description
language.
> (SIDE NOTE)
> when using the tag
>
> 0 CLIPPING ON
>
> you are not informing the program that it MUST do clipping, but instead
> you are saying that it SHOULD clip if he know how. That's one of the
> reasons why this is compatible with LDRAW (it's a comment!).
I knew that. ;)
> > > To use this features, in a similar way, will simplify the making (or
> > > appending) of a program written in OpenGL, and probably D3D (since they
> > > use something similar).
> >
> > True, but the translation is fairly straightforward.
>
> Yes it is, but think of me like a polition. ;)
> Enlighten only what is relevant to your cause!
LOL
Steve
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Message is in Reply To:
 | | Re: Clipping / CCW / CW / INVERT
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| (...) touche'! (...) Not exactly! If the color has any transparency, force CLIPPING OFF, irrespective of what the file TAGS inform. (SIDE NOTE) when using the tag 0 CLIPPING ON you are not informing the program that it MUST do clipping, but instead (...) (25 years ago, 8-Oct-99, to lugnet.cad.dev)
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