datafile = ARG1
outfile = ARG2

set terminal pngcairo size 1000,200 transparent enhanced

unset xlabel
unset ylabel
unset xtics
unset ytics
unset grid

set margins 0,0,0,0
set border 0
set size ratio 0.2

set xdata time
set timefmt "%Y%m%d%H%M"
#set xrange reverse

set style fill transparent solid 0.5 border -1

set output outfile

plot datafile using 1:2 smooth csplines with  filledcurves y1=0 linecolor rgb "#248BCC" notitle