# set terminal pngcairo  background "#ffffff" font "arial,10" fontscale 1.0 size 500, 300 
# set output 'image2.6.png'
set title "Orientation operations from 'plot' also apply to to 'splot'" 
unset colorbox
splot 'blutux.rgb' binary array=(128,128) flipy rotate=90d center = (63.5,63.5,50) format='%uchar%uchar%uchar' using ($1+$2+$3) with image