# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'nonlinear3.1.png'
unset border
unset key
set label 1 "Tux" at graph 0.5, 0.4, 0 center norotate font "Times:Bold" front nopoint
set style increment default
set style data lines
unset xtics
unset ytics
set ztics border out scale 1,0.5 nomirror norotate  autojustify
set cbtics border out scale 1,0.5 nomirror norotate  autojustify
set rtics axis out scale 1,0.5 nomirror norotate  autojustify
set title "Linear Scale" 
set title  offset character 0, -1, 0 font "" norotate
set xrange [ -6.00000 : 134.000 ] noreverse nowriteback
set x2range [ * : * ] noreverse writeback
set yrange [ -6.00000 : 134.000 ] noreverse nowriteback
set y2range [ * : * ] noreverse writeback
set zrange [ * : * ] noreverse writeback
set cbrange [ * : * ] noreverse writeback
set rrange [ * : * ] noreverse writeback
f(x) = norm((x-center)/sigma)
g(x) = sigma*invnorm(x)+center
tic(x) = center + sigma * x
sigma = 60.0
ticinterval = 1
center = 64.0
## Last datafile plotted: "blutux.rgb"
plot 'blutux.rgb' binary array=(128,128) flipy format='%uchar' with rgbimage pixels