set terminal png
set output "d1-hop-50-12.png"
set size 0.6, 0.6
set ylabel "Ratio"
set xlabel "Transmission Range"
set yrange [1.00:1.50]
set xrange [125:250]
set xtics 125, 25, 250
set ytics 1.00, 0.25, 1.50
set key left bottom box
#set title ""
plot "d1-hop-50-12.txt" using 1:2 title ' ONPC' w linesp 1, '' using 1:3 title ' ANPC' w linesp 2