Subject: Re: [BoundaryPoint] Re: re anchorage & great circles & voronoi
Date: Oct 15, 2001 @ 15:41
Author: Anton Sherwood (Anton Sherwood <bronto@...>)
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granthutchison@... wrote:
> My maths isn't good enough to think of a way to type in lat and long
> of all 192 national capitals and get some equations to spit out the
> answer - in fact I wonder if this might be one of those
> travelling-salesman-type problems whose solution-time grows
> exponentially with the number of points considered. . . .

A naive algorithm - such as I wrote in my long-ago student days - is
quartic (n^4); but n log n methods exist.

http://www.geom.umn.edu/software/qhull/


--
Anton Sherwood -- br0nt0@... -- http://ogre.nu/
............ unemployment 2002, here i come! ............