Anybody have any ideas on how I could make a contour map of a height
field?  I tried trace() and dropping a sphere at a point if it had a
specific Y value, drop enough spheres and test for different heights and
you statrt to get something which is OK, but it take half-past forever.
Any other ideas? maybe a sphere sweep of some kind ??

-paul



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Paul Daniel Jones
The Pennslyvania State University

pdj### [at] psuedu
http://research.chem.psu.edu/glassgrp/paul

       C            The way is near, but men
     // \           seek it afar. It is in the
    N    N          easy things, but men seek it
    |    ||         in the difficult things.
    C    C          -Menicius
     \\  /
       C
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