I have instaled the tileCache application, but I think I'm not using that. This error have something to do with TileCache aplication? Gonçalo -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/Raster-Display-Performance-tp4691679p5550548.html Sent from the Mapserver - User mailing list archive at Nabble.com.