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Text File  |  1992-07-28  |  939 b   |  27 lines
  1. Newsgroups: comp.graphics.visualization
  2. Path: sparky!uunet!utcsri!torn!cunews!nrcnet0!emr1!craven
  3. From: craven@cg.emr.ca (Jim Craven)
  4. Subject: Arrowhead plotting routine, anybody?
  5. Message-ID: <1992Jul28.151232.6405@emr1.emr.ca>
  6. Sender: news@emr1.emr.ca
  7. Nntp-Posting-Host: cocos.cg.emr.ca
  8. Reply-To: craven@cg.emr.ca
  9. Organization: Dept. of Energy, Mines & Resources, Canada
  10. Date: Tue, 28 Jul 1992 15:12:32 GMT
  11. Lines: 14
  12.  
  13. I ask this questions to avoid re-inventing the wheel.
  14.  
  15. I am looking for a subroutine that given the head and tail
  16. positions of a vector will calculate positions to
  17. move to in order to draw an arrow head.   Has anybody
  18. done this before?
  19.  
  20. Jim
  21. ---
  22. We shall not cease from exploration and |Jim Craven (craven@cg.emr.ca)
  23. the end of all our exploring will be to |Seismology & Electromagnetism
  24. arrive where we started and know the    |Geological Survey of Canada
  25. place for the first time.  T.S. Eliot   |Ottawa Canada K1A 0Y3
  26.  
  27.