[uf-discuss] geo - accuracy of coordinates

[Andy Mabbett]

In message
<4a31cd840610021248j2a28bcdbyb81e56ea45b3dd2b at mail.gmail.com>, Andrew
Turner <ajturner at highearthorbit.com> writes

>A center of a city may be fairly accurate, with the
>bounds of the city specified as a radius.

Consider Birmingham, England, whose "centre" is far from being
equidistant to all points on its boundary - it's in "Ladywood" on this
map:

        http://www.birmingham.gov.uk/wards

>GeoRSS uses a "radius" element, which could be a uf class and would
>specify in meters, kilometers, or miles (itself a discussion for
>units). Or perhaps better would be a featuretypetag (again using
>GeoRSS as a working case example) that can specify "city"

Or the capacity to describe a polygon...

-- 
Andy Mabbett
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