# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'textbox.1.png'
set grid nopolar
set grid xtics nomxtics ytics nomytics noztics nomztics nortics nomrtics \
 nox2tics nomx2tics noy2tics nomy2tics nocbtics nomcbtics
set grid layerdefault   lt 0 linecolor 0 linewidth 0.500,  lt 0 linecolor 0 linewidth 0.500
unset key
set style increment default
set style textbox opaque margins  6.0,  1.5 fc  rgb "grey"  border  lt -1 linewidth  1.0
set style data lines
unset xtics
set title "larger textboxes with grey fill" 
set xrange [ -0.500000 : 12.0000 ] noreverse nowriteback
set x2range [ * : * ] noreverse writeback
set yrange [ 30.0000 : 110.000 ] noreverse nowriteback
set y2range [ * : * ] noreverse writeback
set zrange [ * : * ] noreverse writeback
set cbrange [ * : * ] noreverse writeback
set rrange [ * : * ] noreverse writeback
set bmargin  3
## Last datafile plotted: "table.dat"
plot 'table.dat' using 0:2 title column with lines lw 3,       ''          using 0:2:2 with labels center boxed notitle column