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From: Jeff W. Sondeen (sondeen AT rcf-fs DOT usc.edu)
Date: Thu Oct 26 2000 - 21:53:43 EDT

  • Next message: R. Timothy Edwards: "Diagonal tiles in magic"

    Rajit Manohar writes:
     > 
     > If I understand this correctly, Tim's suggestion is to support
     > diagonal tiles of the form
     > 
     >        ------
     >       |`.    | 
     >       |  `.  |
     >       |    `.|
     >        ------
     > 
    
    
    but imagine that this is a 1000 by 1000 lambda tile, and we're
    checking 2 other tiles, one is 750,750 to 751,751 and the other is
    753,753 to 754,754.  they way tiling works, this check would have to
    consider tiles far away from it (namely the big one at 0,0) so you
    essentially lose the 1-d sorting that the corner stitching had been
    giving you.
    
    certainly the design rules would be a problem, as they are specifed as
    "edge" rules (but would have to be interpreted as "paint" rules with
    appropriate (complicated) changes to how they check layout.
    
    /jeff
    


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