# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'fillstyle.3.png'
set style fill   solid 1.00 border lt -1
set style increment default
set samples 25, 25
unset xtics
unset ytics
set title "A demonstration of boxes with style fill solid border -1" 
set xrange [ * : * ] noreverse writeback
set x2range [ * : * ] noreverse writeback
set yrange [ 0.00000 : 120.000 ] noreverse nowriteback
set y2range [ * : * ] noreverse writeback
set zrange [ * : * ] noreverse writeback
set cbrange [ * : * ] noreverse writeback
set rrange [ * : * ] noreverse writeback
plot [-10:10] 100/(1.0+x*x) title 'distribution' with boxes