# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'simple.8.png'
set key bmargin left horizontal Right noreverse enhanced autotitle box lt black linewidth 1.000 dashtype solid
set samples 800, 800
set title "Simple Plots" 
set title  font ",20" textcolor lt -1 norotate
NO_ANIMATION = 1
## Last datafile plotted: "3.dat"
plot [-19:19] '1.dat'with impulses ,'2.dat' ,'3.dat' with lines