On Tue, Mar 15, 2011 at 11:10 AM, AJ7 <[email protected]> wrote: > > > > Pierre Racine-2 wrote: >> >> >> the query look like this: >> >> CREATE TABLE resulttable AS >> SELECT id, >> (gv).geom AS the_geom, >> (gv).val >> FROM (SELECT id, >> ST_Intersection(rast, the_geom) AS gv >> FROM yourrastertable, >> yourpolygontable >> WHERE ST_Intersects(rast, the_geom) >> ) foo; >> > > Pierre, > I get the following error when I do an intersect: > NOTICE: UnsupportedOperationException: GeometryGraph::add(Geometry *): > unknown geometry type: N4geos4geom12MultiPolygonE > CONTEXT: PL/pgSQL function "_st_intersects" line 28 at assignment > SQL function "st_intersects" statement 1 > > > ERROR: GEOS Intersection() threw an error! > CONTEXT: PL/pgSQL function "_st_intersects" line 28 at assignment > SQL function "st_intersects" statement 1 > > ------ > > Any idea what could be wrong there? Could it be something wrong with the > postgis raster conversion? When I convert the image to a vector file, all > seems fine there. > > > > -- > View this message in context: > http://old.nabble.com/postgis-raster-%3A-getting-pixel-value-tp31146394p31152398.html > Sent from the PostGIS - User mailing list archive at Nabble.com. > > _______________________________________________ > postgis-users mailing list > [email protected] > http://postgis.refractions.net/mailman/listinfo/postgis-users >
Hello, This error is probably caused because last PostGIS version from trunk uses a modern version of GEOS library. Could you update your GEOS version? Best regards, -- Jorge Arévalo Internet & Mobilty Division, DEIMOS [email protected] http://es.linkedin.com/in/jorgearevalo80 http://mobility.grupodeimos.com/ http://gis4free.wordpress.com http://geohash.org/ezjqgrgzz0g _______________________________________________ postgis-users mailing list [email protected] http://postgis.refractions.net/mailman/listinfo/postgis-users
