/var/www/mapcache image/png default 6000 http://map.seddb20d.ethz.ch/cgi-bin/mapserv? 456000.0 29258.0 871623.0 356331.0 EPSG:21781 m 256 256 1.5 2.0 2.5 5.0 10.0 20.0 50.0 100.0 200.0 300.0 30 -12 70 42 EPSG:4326 dd 256 256 1.5 2.0 2.5 5.0 10.0 20.0 50.0 100.0 200.0 300.0 PNG assemble bilinear PNG 4096 report