# set terminal pngcairo  background "#ffffff" font "arial,10" fontscale 1.0 size 500, 300 
# set output 'image.6.png'
set view map
set style data pm3d
set style function pm3d
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 "Polygons used to draw pixels for rotated images\nNotice the slower refresh rate than for the next plot" 
set xrange [ -10.0000 : 138.000 ] noreverse nowriteback
set yrange [ -10.0000 : 138.000 ] noreverse nowriteback
set cbrange [ 0.00000 : 255.000 ] noreverse nowriteback
set pm3d explicit at b
set palette positive nops_allcF maxcolors 0 gamma 1.5 gray
unset colorbox
plot 'blutux.rgb' binary array=(128,128) dx=0.70711 dy=0.70711 flipy rotation=45d center=(63.5,63.5) format='%uchar' using ($1+$2+$3)/3 with image