[postgis-users] SRID for analyzing a USA national data set in Meters
Jeremy Dunck
jdunck at gmail.com
Mon Apr 2 13:03:26 PDT 2007
On 4/2/07, David William Bitner <david.bitner at gmail.com> wrote:
...
> distance_sphere(hospital1geom,hospitals2geom)<25*1609 order
What's the 1609 for?
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