10 my $bandwidthfile = shift @ARGV;
11 my $originsfile = shift @ARGV;
16 # Create a parser for the country database
17 my $countries = XML::TreeBuilder->new;
19 # Parse the country database
20 $countries->parsefile("lib/countries.xml");
22 # Load the per-country bandwidth details
23 my $bandwidth = YAML::LoadFile($bandwidthfile);
25 # Fill in country table and work out which clusters each can use
26 foreach my $country ($countries->look_down("_tag" => "country"))
28 my $code = $country->look_down("_tag" => "countryCode")->as_text;
29 my $name = $country->look_down("_tag" => "countryName")->as_text;
30 my $population = $country->look_down("_tag" => "population")->as_text;
31 my $bandwidth = $bandwidth->{$code} || 0;
32 my $continent = $country->look_down("_tag" => "continent")->as_text;
33 my $west = $country->look_down("_tag" => "west")->as_text;
34 my $north = $country->look_down("_tag" => "north")->as_text;
35 my $east = $country->look_down("_tag" => "east")->as_text;
36 my $south = $country->look_down("_tag" => "south")->as_text;
37 my $lat = centre_lat($south, $north);
38 my $lon = centre_lon($west, $east);
41 code => $code, name => $name,
42 country => $code, continent => $continent,
43 bandwidth => $bandwidth, lat => $lat, lon => $lon
48 YAML::DumpFile($originsfile, $origins);
53 # Find the centre value between two latitudes
60 return ( $south + $north ) / 2;
64 # Find the centre value between two longitudes
74 $lon = ( $west + $east ) / 2;
78 $lon = ( $west + $east + 360 ) / 2;
81 $lon = $lon - 360 if $lon > 180;