That message can be safely ignored assuming you're not getting any error messages preceding it. The message itself indicates that the band had no values worth counting...
-bborie On 07/12/2013 11:41 AM, Pierre Racine wrote: > Hi, > > I do this query for counting the frequency of values in a raster: > > SELECT identifian, ST_ValueCount(ST_Clip(rast, geom)) As pvc > FROM raster400x400_out, zones > WHERE ST_Intersects(rast, geom) > > and I get many message like: > > "Unable to count the values for band at index 1" > > What does that mean? > > Thanks, > > Pierre > _______________________________________________ > postgis-users mailing list > postgis-users@lists.osgeo.org > http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users > _______________________________________________ postgis-users mailing list postgis-users@lists.osgeo.org http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users