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Text File  |  1992-11-17  |  699 b   |  17 lines
  1. Newsgroups: comp.graphics
  2. Path: sparky!uunet!news.smith.edu!orourke
  3. From: orourke@sophia.smith.edu (Joseph O'Rourke)
  4. Subject: Re: Point inside a triangle
  5. Message-ID: <1992Nov17.033031.1896@sophia.smith.edu>
  6. Organization: Smith College, Northampton, MA, US
  7. References: <1992Nov16.115211.23169@sophia.smith.edu> <1e9c3cINN4hi@uniwa.uwa.edu.au> <1e9k0cINNc0q@uniwa.uwa.edu.au>
  8. Date: Tue, 17 Nov 1992 03:30:31 GMT
  9. Lines: 6
  10.  
  11. In article <1e9k0cINNc0q@uniwa.uwa.edu.au> watson@maths.uwa.oz.au (David Watson) writes:
  12.  
  13. >and if b0 == 0 => (x1 == x2 && x1 == x3 && y1 == y2 && y1 == y3)
  14.  
  15. I think you meant to say if b0 == 0, then the three triangle vertices
  16. are collinear: the above implication is too strong.
  17.