Sometimes when raster maps get very slow, I've done something which expands the color table -- check out the map name under your colr directory (under your database/location/mapset). -Howard -- Howard Foster (nsf at ced.berkeley.edu) Ph.D. candidate^H^H^H^H^H^H^H^H^H, (got it!) Environmental Planning, UC Berkeley. Phone: 510-848-1241