# set terminal pngcairo  background "#ffffff" enhanced font "arial,8" fontscale 1.0 size 540, 360 
# set output 'rgb_variable.3.png'
set border -1 front lt black linewidth 1.000 dashtype solid
set angles degrees
set style data lines
set xyplane relative 0
set xtics border in scale 1,0.5 nomirror norotate  autojustify
set ytics border in scale 1,0.5 nomirror norotate  autojustify
set title "Both RGB color information\n and point size controlled by input" 
set xlabel "Red" 
set xlabel  font "" textcolor rgb "red"  norotate
set xrange [ 0.00000 : 255.000 ] noreverse
set ylabel "Green" 
set ylabel  font "" textcolor rgb "green"  rotate
set yrange [ 0.00000 : 255.000 ] noreverse
set zlabel "Blue" 
set zlabel  font "" textcolor rgb "blue"  norotate
set zrange [ 0.00000 : 255.000 ] noreverse
set lmargin  5
set bmargin  2
set rmargin  5
rgb(r,g,b) = int(r)*65536 + int(g)*256 + int(b)
xrgb(r,g,b) = (g-b)/255. * cos(30.)
yrgb(r,g,b) = r/255. - (g+b)/255. * sin(30.)
NO_ANIMATION = 1
## Last datafile plotted: "rgb_variable.dat"
splot 'rgb_variable.dat' using 1:2:3:(rgb($1,$2,$3)) with points pt 7 ps 4 lc rgb variable,       '' using 1:2:3:(sprintf("0x%x",rgb($1,$2,$3))) with labels left offset 1 notitle