On 25 October 2011 17:39, maduako ikechukwu <[email protected]> wrote: > I tried to extract the elavation value of a particular location on the SRTM > data i loaded on my database > using the following command > SELECT ST_Value(rast,ST_Point(-106.2,38.6)) AS Elevation > From srtm; > > but it only brought out a long elevation column with no value shown. > What could be the issue?
There is no issue here. You get integer value as it is expected. ST_Value(raster, location) => value of pixel at given location of given raster Best regards, -- Mateusz Loskot, http://mateusz.loskot.net Charter Member of OSGeo, http://osgeo.org Member of ACCU, http://accu.org _______________________________________________ postgis-users mailing list [email protected] http://postgis.refractions.net/mailman/listinfo/postgis-users
