set output './beat_plot_a.ps' 
set term postscript color enhanced 'Helvetica,18'  
set style line 1 lt rgb 'red' lw 3  
set style line 2 lt rgb 'green' lw 3  
set style line 3 lt rgb 'blue' lw 3  
set style line 4 lt rgb 'cyan' lw 3  
set style line 5 lt rgb 'violet' lw 3  
set grid 
set key top right 
set xrange [0:10]  
set yrange [-1.2:7.2]  
plot './make_beat_data.out' using 1:3 with lines ls 1  t ''   ,      './make_beat_data.out' using 1:($5+2) with lines ls 2  t ''   ,      './make_beat_data.out' using 1:($7+5) with lines ls 3  t ''  
set output 
quit 
