# set terminal pngcairo  background "#ffffff" font "arial,10" fontscale 1.0 size 500, 300 
# set output 'image.7.png'
unset key
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 "Terminal image routine used to draw plot rotated about origin\nNotice the faster refresh rate than for the previous plot" 
set xrange [ -138.000 : 10.0000 ] noreverse nowriteback
set yrange [ -10.0000 : 138.000 ] noreverse nowriteback
unset colorbox
plot 'blutux.rgb' binary array=(128,128) dx=1 flip=y rotation=0.5pi origin=(0,0) format='%uchar' using ($1+$2+$3)/3 with image