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[aprssig] Re: TIGER maps what-s the problem?

BH brent.hildebrand at gmail.com
Tue Jun 13 02:15:20 UTC 2006


> 2) Provide on the map display, a range scale or some other
> legend that gives the user a clue as to the scale (in miles
> or Kilometers) he is seeing.  The preferred system for this
> is called RANGE SCALE and it means the approximate distance
> from  the center of the view to the closest edge.  In other
> words, the largest circular range about the center point
> that would fit on this map view.  This lets people with
> totally different systems still refer to the same "area"
> by only its CENTER and RANGE.

The "APRS Viewpoint" test program provides the Range scale you specify
above.  So a Range of "10 Miles" means that from the center of the
map, to the nearest edge, is 10 miles.
http://viewpoint.no-ip.org:8080

KH2Z




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