open (GNUPLOT, "|gnuplot 2>/dev/null 1>/dev/null");
    print GNUPLOT <<EOF;
    set term png transparent size 1000,220 x000000 xaaaaaa x202020 x909090 x88ff88 xffffff xfffffe x000000 x505050
    set title "Halogen: Number of pSeries Systems Exceeding CPU Panic Threshold \(Starting: $rangeStart Ending: $rangeEnd\)" textcolor lt 2
    set output "/var/www/html/spectrum/halogen-spectrum.png"
    set mxtics 2
    set xtics 300
    set grid
    unset key
    set xdata time
    set timefmt "%Y-%m-%d %H:%M:%S"
    set format x "%H:%M"
    set yrange ["$yNeg" : "$yPos"]
    set xrange ["$rangeStart" : "$rangeEnd"]
    set pointsize 0.9
    set multiplot
    plot "/var/www/html/halogen/data.txt" using 1:3 w linespoints lt 6 pt 7, "/var/www/html/halogen/data.txt" using 1:3 smooth bezier w lines lw 1 lt 2
EOF
    close (GNUPLOT);