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Subject: 
Re: Method for splitting quads with not coplanar vertices?
Newsgroups: 
lugnet.cad
Date: 
Mon, 27 Jan 2003 13:27:20 GMT
Viewed: 
710 times
  
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/
/Lars



Message has 2 Replies:
  Re: Method for splitting quads with not coplanar vertices?
 
(...) Go here: (URL) here if you just want to browse the source code. (URL) code is in the files beginning with L3. Don (21 years ago, 27-Jan-03, to lugnet.cad)
  Re: Method for splitting quads with not coplanar vertices?
 
(...) hang on for a second! does it mean that I don't have to fix this warnings? looking at: (URL) part with not coplanar vertices would get a "hold". so, which is the "correct" way tho split such a quad? I'm still lookin' for the FORMULA" could (...) (21 years ago, 29-Jan-03, to lugnet.cad)

Message is in Reply To:
  Method for splitting quads with not coplanar vertices?
 
hi folks, I had a little chat with carsten about the possibility to fix not coplanar vertices automatically in LDDP. we all know that running a line like this: 0 4 16 10 -1 10 10 0 -10 -10 0 -10 -10 0 10 through L3P with –dist 0.1 or –det 0.001 will (...) (21 years ago, 27-Jan-03, to lugnet.cad)

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