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Internet Message Format  |  1996-04-25  |  1KB
  1. Received: from e55.webcom.com (e55.webcom.com [206.2.192.66]) by keeper.albany.net (8.7.5/8.7.5-MZ) with ESMTP id DAA14276 for <DWARNER@ALBANY.NET>; Tue, 16 Apr 1996 03:52:23 -0400 (EDT)
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  3.     (1.37.109.15/16.2) id AA256361104; Tue, 16 Apr 1996 00:51:44 -0700
  4. Date: Tue, 16 Apr 1996 00:51:44 -0700
  5. Errors-To: dwarner@ALBANY.NET
  6. Message-Id: <Pine.SUN.3.93.960416032311.13229B-100000@access1.digex.net>
  7. Errors-To: dwarner@ALBANY.NET
  8. Reply-To: lightwave@garcia.com
  9. Originator: lightwave@garcia.com
  10. Sender: lightwave@garcia.com
  11. Precedence: bulk
  12. From: Ernie Wright <erniew@ACCESS.DIGEX.NET>
  13. To: Multiple recipients of list <lightwave@garcia.com>
  14. Subject: Re: LW 5.0 new features
  15. X-Listprocessor-Version: 6.0c -- ListProcessor by Anastasios Kotsikonas
  16. Status: RO
  17. X-Status: 
  18.  
  19. > There is a technical reason for LW to do either 1, 5, 9 or 17 [AA]
  20. > passes..
  21.  
  22. Symmetry.  Each pass samples the image plane at a slightly different point
  23. for each pixel.  The number of passes comes from the sampling pattern.
  24.  
  25.                               *   *   *
  26.            *       * * *        * * *
  27.    *     * * *     * * *      * * * * *
  28.            *       * * *        * * *
  29.                               *   *   *
  30.  
  31. - Ernie