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Subject: 
Re: Postscript converter
Newsgroups: 
lugnet.cad, lugnet.cad.dev
Followup-To: 
lugnet.cad.dev
Date: 
Sun, 5 Aug 2001 17:58:07 GMT
Viewed: 
75 times
  
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)

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.

Jacob

1) http://www.w3.org/TR/SVG/
--
http://hugin.ldraw.org/LEGO/Transport/Skibe/



Message has 1 Reply:
  Re: Postscript converter
 
(...) 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 (...) (23 years ago, 6-Aug-01, to lugnet.cad.dev)

Message is in Reply To:
  Re: Postscript converter
 
(...) Hi Guido, 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! Also, how you gonna fix the transparant part problem? cos I know that transparancy and PostScript (...) (23 years ago, 3-Aug-01, to lugnet.cad)  

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