ST_SetSRID( ST_MakePoint(lon, lat), 4326)

http://postgis.refractions.net/docs/ch06.html

-- Kevin

John Cartwright wrote:
Hello All,

I'm trying to populate a newly-added geometry column in a table using two existing columns: LON, LAT. The only way I see to do it seems a little clumsy:

update grid_points set SHAPE = GeomFromText('POINT(' || lon ||' ' || lat || ')',4326);

Is there a better way than constructing a WKT string?

Thanks!

-- john

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