Subject:
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Re: DAT to GIF/JPG/EPS
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Newsgroups:
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lugnet.cad
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Date:
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Sun, 21 Jan 2001 00:40:51 GMT
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Viewed:
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868 times
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In lugnet.cad, Don Heyse writes:
> In lugnet.cad, Thomas Keenan writes:
> > > I toyed with EPS output in the latest version of the ldglite sources, but
> > > the output files were ENORMOUS. Of course I was just dumping shaded • triangles
> > > so I suppose a more sophisticated translator would produce more efficient
> > > EPS files.
> >
> > How exactly did you do this, if you don't mind explaining?
>
> I pasted some code from here http://reality.sgi.com/opengl/tips/Feedback.html
> into ldglite. It uses the opengl feedback buffer to grab the primitives
> and dump EPS instead of rendering them onscreen. It's a neat trick, but not
> the best way to do it. A better way would be to convert parts instead of
> just triangles, quads, and lines to EPS.
>
> Don
Where does hidden triangle removal happen in this process? Or do you count
on getting them in proper back-to-front order?
I'm experimenting with a postscript renderer plug-in since about a week ago.
-Erik
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Message has 1 Reply:
 | | Re: DAT to GIF/JPG/EPS
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| (...) The code at sgi has an option to sort them by depth. It's not perfect though, and it uses a lot of memory since you have to push ALL the triangles through the feedback buffer before you sort. That's a lot of triangles and postscript is quite (...) (24 years ago, 22-Jan-01, to lugnet.cad)
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Message is in Reply To:
| | Re: DAT to GIF/JPG/EPS
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| (...) I pasted some code from here (URL) ldglite. It uses the opengl feedback buffer to grab the primitives and dump EPS instead of rendering them onscreen. It's a neat trick, but not the best way to do it. A better way would be to convert parts (...) (24 years ago, 20-Jan-01, to lugnet.cad)
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