# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'sampling.3.png'
set key fixed right top vertical Right noreverse enhanced autotitle box lt black linewidth 1.000 dashtype solid
set key opaque
set style data lines
set xtics  norangelimit logscale autofreq 
set trange [ 20.0000 : 50.0000 ] noreverse
set urange [ 1.00000 : 100.000 ] noreverse
set vrange [ 1.00000 : 100.000 ] noreverse
set xrange [ 1.00000 : 100.000 ] noreverse
set logscale x 10
NO_ANIMATION = 1
## Last datafile plotted: "+"
plot [t=20:50:] '+' using (t):(10. + sin(t))