# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'fillstyle.7.png'
set bar 1.000000 front
set boxwidth 0.5 absolute
set style fill   pattern 0 border
set style circle radius graph 0.02, first 0.00000, 0.00000 
set style ellipse size graph 0.05, 0.03, first 0.00000 angle 0 units xy
set style textbox transparent margins  1.0,  1.0 border
unset logscale
set samples 11, 11
unset xtics
unset ytics
unset paxis 1 tics
unset paxis 2 tics
unset paxis 3 tics
unset paxis 4 tics
unset paxis 5 tics
unset paxis 6 tics
unset paxis 7 tics
set title "A demonstration of boxes in mono with style fill pattern" 
set yrange [ 0.00000 : 120.000 ] noreverse nowriteback
set paxis 1 range [ * : * ] noreverse nowriteback
set paxis 2 range [ * : * ] noreverse nowriteback
set paxis 3 range [ * : * ] noreverse nowriteback
set paxis 4 range [ * : * ] noreverse nowriteback
set paxis 5 range [ * : * ] noreverse nowriteback
set paxis 6 range [ * : * ] noreverse nowriteback
set paxis 7 range [ * : * ] noreverse nowriteback
set colorbox vertical origin screen 0.9, 0.2, 0 size screen 0.05, 0.6, 0 front  noinvert bdefault
plot [-2.5:4.5] 100/(1.0+x*x) title 'pattern 0' with boxes lt -1,                  80/(1.0+x*x) title 'pattern 1' with boxes lt -1,                  40/(1.0+x*x) title 'pattern 2' with boxes lt -1,                  20/(1.0+x*x) title 'pattern 3' with boxes lt -1