Sorry, the kind of data we are using are shapefiles (400 MB) and TIF-Files (700 MB), and we display in average 300 out of 300.000 polygones. The vektor- and rasterdata are organizied in tiles. THX Andreas _______________________________________________ Mapserver-users mailing list Mapserver-users@lists.gis.umn.edu http://lists.gis.umn.edu/mailman/listinfo/mapserver-users