Colony

#!/usr/bin/env ruby

file0='/tmp/data0.tmp'

file1='/tmp/data1.tmp'

points0f=[]

points0b=[]

points1f=[]

points1b=[]

puts "Paste output from station here please"

while a=gets

        a.chomp!

        a.strip!

        if a!="" && !(a =~ /^#/)

                if a =~ /^data encoder (0|1) (forward|backward) (.*)$/

                        num=$1

                        dir=$2

                        data=$3

                        if (num=="0" && dir=="forward")

                                points=points0f

                        elsif (num=="0" && dir=="backward")

                                points=points0b

                        elsif (num=="1" && dir=="forward")

                                points=points1f

                        elsif (num=="1" && dir=="backward")

                                points=points1b

                        else

                                points=[]

                        end

                        data.split(' ').each { |pair|

                                point=pair.split('/');

                                points<<point

                        }

                end

        end

end

#(points0f+points0b).each { |p|

#        puts "#{p[0]} #{p[1]}"

#}

points0=points0f+points0b

points1=points1f+points1b

File.open(file0, 'w') { |f|

        points0.sort { |a,b|

                a[0].to_i <=> b[0].to_i

        }.each { |point|

                puts "#{point[0]} #{point[1]}"

                f.puts "#{point[0]} #{point[1]}"

        }

}

File.open(file1, 'w') { |f|

        points1.sort { |a,b|

                a[0].to_i <=> b[0].to_i

        }.each { |point|

                f.puts "#{point[0]} #{point[1]}"

        }

}

IO.popen('gnuplot', 'w') { |p|

        p.puts("plot   '#{file0}' using 1:2 with linespoints title 'Left'")

        p.puts("replot '#{file1}' using 1:2 with linespoints title 'Right'")

        p.puts("set xlabel 'Station encoders'")

        p.puts("set ylabel 'Robot encoders'")

        p.puts("pause -1");

        while (1)

        end

}

# Never reached

#File.delete('data0.tmp', 'data1.tmp')