self->tiles = gis_tile_new(NULL, NORTH, SOUTH, EAST, WEST);
self->wms = gis_wms_new(
"http://www.nasa.network.com/elev", "srtm30", "application/bil",
self->tiles = gis_tile_new(NULL, NORTH, SOUTH, EAST, WEST);
self->wms = gis_wms_new(
"http://www.nasa.network.com/elev", "srtm30", "application/bil",