[postgis-users] Newbie questions: SRIDs, function return values
Markus Schaber
schabi at logix-tt.com
Thu May 15 07:45:48 PDT 2008
Hi, Paul,
"Paul Ramsey" <pramsey at cleverelephant.ca> wrote:
> There's no universal answer to this, but I have long thought that a
> simple answer suitable for may people would be a ST_UTM(geom) wrapper
> on transform that picks the appropriate UTM zone for a given geometry.
> It would work perfectly well for any collection of small objects. It
> would fall apart for larger things like states and countries that are
> of similar size to a UTM zone.
The function could simply use the centroid of the bounding box, that
shoul be fast enough.
Regards,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
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