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Korea Top Points - Animated Height, Fixed Radius

Cycle the height thru 1, 2, 5, 10, 20, 100 for fixed R.

H has a smaller effect, but many ties confuse things.

=> many equally good observers.


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Approximating Visibility, GIScience 2000, Savannah, Georgia, USA, 30 Oct 00,       Wm. Randolph Franklin