# set terminal pngcairo  background "#ffffff" enhanced font "arial,8" fontscale 1.0 size 540, 384 
# 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  autojustify
set ytics border out scale 1,0.5 mirror norotate  autojustify
set ztics border out scale 1,0.5 nomirror norotate  autojustify
set cbtics border out scale 1,0.5 mirror norotate  autojustify
set rtics axis out scale 1,0.5 nomirror norotate  autojustify
set title "Sultry evening" 
set title  offset character 0, -0.5, 0 font "" textcolor lt -1 norotate
set xrange [ -0.500000 : 127.500 ] noreverse
set yrange [ -0.500000 : 127.500 ] noreverse
brighten(x) = x * 1.25
dim(x) = x * 255./400.
NO_ANIMATION = 1
## Last datafile plotted: "$Stars"
## Last plot was a multiplot
# saved multiplot
set multiplot
set size 0.5,0.48
set origin 0.0,0.47
unset key
set xrange [-0.5:127.5]
set yrange [-0.5:127.5]
set tics out
set label 1 "Adjust color balance in the using spec" at 140,160 center
set title 'Lake Mendota, "or Wonk-sheck-ho-mik-la!"' offset 0,-0.5
set cbrange [*:*]
plot 'blutux.rgb' binary array=(128,128) flipy format='%uchar' using 1:2:3 with rgbimage
unset label 1
set size 0.5,0.48
set origin 0.5,0.47
set title '"Lucky I brought sunscreen."'
brighten(x) = x * 1.25
plot 'blutux.rgb' binary array=(128,128) flip=y format='%uchar' using (brighten($1)):(brighten($2)):(brighten($3)) with rgbimage
set size 0.5,0.48
set origin 0.0,0.0
set title 'Sunset on the Terrace'
dim(x) = x * 255./400.
plot 'blutux.rgb' binary array=(128,128) flip=y format='%uchar' using ($1):(dim($2)):(dim($3)) with rgbimage
set size 0.5,0.48
set origin 0.5,0.0
set title 'Sultry evening'
$Moon << EOD
$Stars << EOD
plot 'blutux.rgb' binary array=(128,128) flip=y format='%uchar' using ($1 * 255./400.):($2 * 255./400.):($3 * 255./400.) with rgbimage, $Moon w points pt 7 ps 6 lc 'gray80', $Stars w points pt 7 ps 0.65 lc 'gray90'
unset multiplot