The partition by nearest capitols, as proposed by Randy Finder,
has a name: mathematicians know it as the Voronoi diagram.
(http://www.ics.uci.edu/~eppstein/junkyard/nn.html)

....

Are there any double enclaves? By that I mean something like this:

--------
--oo**-- where the three characters represent three
--oo**-- territories (not necessarily sovereign).
--------
oooo**** The detached bits of cantons Bern and
oooo**** Solothurn almost fit this description.

--
Anton Sherwood -- br0nt0@... -- http://ogre.nu/
http://www.quicktopic.com/8/H/Ra2sAvNSda9u8