Maybe you don't set the EXTENT or the SIZE in the .map file. Take a look here: http://mapserver.gis.umn.edu/docs/reference/mapfile/mapObj bye
-- Pietro Giannini Bytewise srl - Area GIS 41°50'38.58"N 12°29'13.39"E On Ven, 16 Febbraio 2007 2:18 pm, Agustina Buccella wrote: > Thanks for the answers.... I thought that the problem was the TYPE in the > mapfile but the problem was another one... when I try to see data using > the URL: > > http://localhost/cgi-bin/mapserv?map=/usr/local/apache2/htdocs/mapserver/ejemplo_postgis3.map&mode=map > > I receive the following errors: > > msDrawMap(): Image handling error. Unable to initialize image. > msPrepareImage(): General error message. Image dimensions not specified. > msCalculateScale(): General error message. Invalid image extent, > minx=-1.000000, miny=-1.000000, maxx=-1.000000, maxy=-1.000000. > mapserv(): Web application error. No way to generate map extent. > > My .map file contains the following: > > LAYER > NAME pg_test > TYPE POINT > STATUS DEFAULT > CONNECTIONTYPE POSTGIS > CONNECTION "host=localhost port=5432 dbname=miprimergis password=**** > user=*****" > DATA "the_geom FROM cities" > END > END > > and my .sql to load data in the postgis database is: > > BEGIN; > CREATE TABLE "cities" (gid serial PRIMARY KEY, > "city_name" varchar(40), > "gmi_admin" varchar(7), > "admin_name" varchar(42), > "fips_cntry" varchar(2), > "cntry_name" varchar(40), > "status" varchar(50), > "pop_rank" int2, > "pop_class" varchar(22), > "port_id" int2); > SELECT AddGeometryColumn('','cities','the_geom','-1','POINT',2); > INSERT INTO "cities" > ("city_name","gmi_admin","admin_name","fips_cntry","cntry_n > ame","status","pop_rank","pop_class","port_id",the_geom) VALUES > ('Drammen','NOR- > BSK','Buskerud','NO','Norway','Provincial capital','6','50,000 to > 100,000','2378 > 0','01010000000000006066662440000000A099D94D40'); > INSERT INTO "cities" > ("city_name","gmi_admin","admin_name","fips_cntry","cntry_n > ame","status","pop_rank","pop_class","port_id",the_geom) VALUES > ('Trinidad','BOL > -EBE','El Beni','BL','Bolivia','Provincial capital','6','50,000 to > 100,000','0', > '0101000000000000C0CA3950C00000008097AE2DC0'); > END; > > I read the same error in the list but it was not the answer.... > > Thanks! > Agustina > > > > > > > > > > --------------------------------- > Preguntá. Respondé. Descubrí. > Todo lo que querías saber, y lo que ni imaginabas, > está en Yahoo! Respuestas (Beta). > Probalo ya!
