Subject:
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Re: Postscript converter
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Newsgroups:
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lugnet.cad.dev
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Date:
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Mon, 6 Aug 2001 07:16:22 GMT
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Viewed:
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429 times
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In lugnet.cad, Jacob Sparre Andersen writes:
> Jeroen:
>
> > I thought about doing that to, but converting 3D data in to 2D was a bit
> > above my head, so I'm very curious how you gonna do that!
>
> That's the easy part (sort of). You just multiply all points
> with an apropriate rotation matrix and ignores one coordinate.
> (okay - and then there is a lot of "what's on top" questions)
Ha, you said it your self; in 3D it is not a question of what you place when
but where, in PostScript it is the other way around. I afraid you'll get
very Dali/Picasso like postscript-files. You even have to mind the
part-dat-files and primitives, cos backs can become fronts in PS very easy...
> > Also, how you gonna fix the transparant part problem?
>
> The only solution I have been able to come up with is to use a
> two-step approach, where you have an intermediate buffer for
> handling transparency issues. This could for example be a
> SVG[1] file, since SVG handles transparency and is likely to
> have a Postscript renderer. The only problem is that SVG seems
> to be covered by at least two patents. And it shouldn't be
> that difficult to write transparency handling code yourself.
Ha again! SVG is no Postscript. SVG is for screens while PS is for a
printers; you can do things on your computerscreen that you simple can't do
with PS-vector information...
Again I'm very exicted and can't wait to download the beat.
PS. When I tried to programm a converter myself I used POV to PS instead of
DAT to PS, POV uses some intresting methods (some even PS-like) in their files!
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Message has 1 Reply:
 | | Re: Postscript converter
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| Hey, with all this talk about PostScript converters I wonder if anyone would like to take a shot at completing the EPS output in ldglite? I started it once upon a time using the opengl feedback buffer to produce the transformed geometry. However the (...) (23 years ago, 6-Aug-01, to lugnet.cad.dev)
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Message is in Reply To:
| | Re: Postscript converter
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| Jeroen: (...) That's the easy part (sort of). You just multiply all points with an apropriate rotation matrix and ignores one coordinate. (okay - and then there is a lot of "what's on top" questions) (...) The only solution I have been able to come (...) (23 years ago, 5-Aug-01, to lugnet.cad, lugnet.cad.dev)
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