set terminal png
set output "1-hop-50.png"
set size 0.6, 0.6
set ylabel "Ratio"
set xlabel "Transmission Range"
set yrange [1.00:1.20]
set xrange [125:250]
set xtics 125, 25, 250
set ytics 1.00, 0.05, 1.20
set key left top box
#set title ""
plot "1-hop-50.txt" using 1:2 title 'PGreedy' w linesp 1, '' using 1:3 title 'd-ordered' w linesp 2, '' using 1:4 title 'D-ordered' w linesp 3, '' using 1:5 title 'S-ordered' w linesp 4