If this has been covered before then mea culpa, but I have searched the 
links collection and the internet at large to no avail.

Does anyone possess a macro for calculating the points defining the 
shortest path between two circles (not discs, circles) given the normal, 
centre and radius of each circle, or some algorithm/formula from which 
such a macro may be easily derived?

I am led to believe that the calculations involved in solving this 
problem are reasonably difficult, so don't knock yourselves out trying 
to work out a solution for me, unless you enjoy that kind of thing :?) 
I'm really just hoping that someone happens to have the appropriate 
information just lying around.

Thanks, Ed.

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