On Fri, 8 Apr 2005 15:00:30 +1200, "Jofra" wrote:

Am I right in assuming "rhumb-line" is therefore the shortest distance
between two points on the surface of a sphere?
I think the word is being mis-used in this thread and would like an
authority to comment.

No. A great circle is the shortest distance between two points on the
surface of a sphere. But a rhumb line is plenty good enough for the
distances on most Mercator charts.



Rodney Myrvaagnes NYC J36 Gjo/a


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