Subject:
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Re: Method for splitting quads with not coplanar vertices?
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Newsgroups:
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lugnet.cad
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Date:
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Mon, 27 Jan 2003 14:27:07 GMT
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Viewed:
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830 times
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In lugnet.cad, Lars C. Hassing writes:
> In lugnet.cad, Willy Tschager writes:
> > I had a little chat with carsten about the possibility to fix not coplanar
> > vertices automatically in LDDP.
>
> I wouldn't bother too much.
> I think it is an error if the four points of a quad do not lie in a plane.
> Too bad that the LDraw format has a built-in possiblity of creating
> degenerate quads.
> POV e.g. uses 2D points to describe a polygon.
>
> > (Lars, how does L3P detect these not coplanar vertices?)
> I released the L3P checking source code a couple of years ago for ldglite,
> see L3Input.cpp in http://www.geocities.com/dheyse/
Eeek! Don't go to the geocities site. That's way out of date.
Go here:
http://ldglite.sourceforge.net
Or here if you just want to browse the source code.
http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/ldglite/ldglite/
Lars' code is in the files beginning with L3.
Don
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Message has 1 Reply:
Message is in Reply To:
 | | Re: Method for splitting quads with not coplanar vertices?
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| (...) I wouldn't bother too much. I think it is an error if the four points of a quad do not lie in a plane. Too bad that the LDraw format has a built-in possiblity of creating degenerate quads. POV e.g. uses 2D points to describe a polygon. (...) I (...) (22 years ago, 27-Jan-03, to lugnet.cad)
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