#!/usr/bin/ruby -Ks

if ARGV.size < 1 then
	puts "Usage: #{__FILE__} Crossbow_NAV_file"
	exit
end

previous_lat = 0
previous_long = 0
open(ARGV[0]).each_with_index{|line, i|
	if i < 8 then next end
	values = line.split(/\t/)
	lat, long = values[11], values[10]
	if previous_lat == lat and previous_long == long then next end
	puts "            [#{previous_long = long},#{previous_lat = lat}],"
}