# set terminal pngcairo  background "#ffffff" font "arial,10" fontscale 1.0 size 500, 300 
# set output 'image.9.png'
unset key
set size ratio 0 0.5,0.48
set origin 0.5,0
set xtics border out scale 1,0.5 mirror norotate  offset character 0, 0, 0 autojustify
set ytics border out scale 1,0.5 mirror norotate  offset character 0, 0, 0 autojustify
set ztics border out scale 1,0.5 nomirror norotate  offset character 0, 0, 0 autojustify
set cbtics border out scale 1,0.5 mirror norotate  offset character 0, 0, 0 autojustify
set rtics axis out scale 1,0.5 nomirror norotate  offset character 0, 0, 0 autojustify
set title "Sultry evening" 
set title  offset character 0, -0.5, 0 font "" norotate
set xrange [ -0.500000 : 127.500 ] noreverse nowriteback
set yrange [ -0.500000 : 127.500 ] noreverse nowriteback
set cbrange [ 0.00000 : 400.000 ] noreverse nowriteback
plot 'blutux.rgb' binary array=(128,128) flipy format='%uchar' using 1:2:3 with rgbimage, '-' w points pt 7 ps 6 lt -2, '-' w points pt 7 ps 0.65 lt -2