airport.rb in atc-tools-1.0.2

- old
+ new

@@ -20,11 +20,11 @@
     # Params:
     # :code, :name, :variance
     def initialize(code = nil, **kvargs)
       @code     = code || (kvargs.fetch :code, '')
       @name     = kvargs.fetch :name, ''
-      @variance = kvargs.fetch :variance, 17.0 # TODO: Detect this intelligently.
+      @variance = kvargs.fetch :variance, 20.0 # ZSE Standard Variance
     end
     
     # Airport's full name.
     def name
       discover_name if @name.empty?
@@ -54,12 +54,12 @@
     end
     
     # Calculate the true heading to the specified airport.
     # Takes an ICAO code or Airport object.
     def true_heading_to(arrival)
-      @heading_uri = "http://www6.landings.com/cgi-bin/nph-dist_apt?airport1=#{@code.downcase}&airport2=#{arrival.to_s.strip.downcase}"
+      @heading_uri = "http://www.aeroplanner.com/calculators/avcalcdist.cfm?typ1=APT&Txt1=#{@code.downcase}&typ2=APT&Txt2=#{arrival.to_s.strip.downcase}&londir1=East&lond=&londir2=East&londd=&lonmm=&lonss=&calculate=Calculate"
       response = Net::HTTP.get URI heading_uri
-      r = response.scan /(?:heading:)\s*([\d\.]+)\s+/
+      r = response.scan /(?i:<b>\s*initial course:\s*<\/b>)\s*\b([\d\.]+)\b/
       
       raise ATCTools::HeadingDiscoveryError, "Heading from #{@code.upcase} to #{arrival.to_s.upcase} not found." \
         unless r.count > 0
       
       true_hdg = r.flatten.first.to_f
\ No newline at end of file