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From: "Matt Fetterman" <mattinjersey@yahoo.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: evenly distributed subset of points on a sphere
Date: Fri, 30 Oct 2009 16:33:22 +0000 (UTC)
Organization: Penn State University Electro Optics Center
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"Abel Brown" <brown.2179@osu.edu> wrote in message <hcf32u$10a$1@fred.mathworks.com>...
> LOL, I did not generate this set of 250 points.  
> 
> This is a little strange.  You seem to be avoiding the question. I need a practical solution not a mathematical proof.  
> 
> 250 evenly distributed around the earth.  Need to divide these 250 points into 6 subsets or subnetworks of ~ 250/6 = 40 points each which are themselves evenly distributed around the earth.
> 
> Indeed, generate 40 evenly distributed points on a sphere and choose closes points in super set.  Easy enough ... but how to generate 40 evenly distributed points around the earth?


If you google it, you will find that the problem is surprisingly challenging, so there is no simple answer here.
One interesting webpage is here, I think the optimization technique might work reasonably well. Regards! Matt
http://www.math.niu.edu/~rusin/known-math/94/equi_holes