set term postscript eps enhanced color font "Helvetica" 20 set output "car_orientation.eps" set size ratio 0.7 set xrange [0:1] set yrange [0:1] set xlabel "Recall" set ylabel "Orientation Similarity" set title "Car" plot "car_orientation.txt" using 1:2 title 'Easy' with lines ls 1 lw 5,"car_orientation.txt" using 1:3 title 'Moderate' with lines ls 2 lw 5,"car_orientation.txt" using 1:4 title 'Hard' with lines ls 3 lw 5