#!/usr/local/bin/gnuplot -persist
# set terminal pngcairo  background "#ffffff" enhanced font "arial,8" fontscale 1.0 size 540, 360 
# set output 'rgb_variable.9.png'
unset key
unset parametric
set view 63, 58, 1, 1.4
set samples 10, 10
set xyplane at 0
unset xtics
unset ytics
set ztics  norangelimit 
set ztics   ("0" 0.00000)
set title "Explicit borders for pm3d tiling" 
set urange [ 0.0100000 : 1.00000 ] noreverse nowriteback
set vrange [ 0.0100000 : 1.00000 ] noreverse nowriteback
set xlabel "H" 
set xrange [ 0.0100000 : 1.00000 ] noreverse nowriteback
set x2range [ * : * ] noreverse writeback
set ylabel "S" 
set yrange [ 0.0100000 : 1.00000 ] noreverse nowriteback
set y2range [ * : * ] noreverse writeback
set zrange [ 0.00000 : 1.06500 ] noreverse nowriteback
set cbrange [ * : * ] noreverse writeback
set rrange [ * : * ] noreverse writeback
set pm3d interpolate 1,1 flush begin noftriangles border lt black linewidth 1.500 dashtype solid corners2color mean
set colorbox vertical origin screen 0.9, 0.2 size screen 0.05, 0.6 front  noinvert bdefault
unset colorbox
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.)
RGB(R,G,B) =  int(255.*R) * 2**16 + int(255.*G) * 2**8  + int(255.*B)
f(x,y) = 0.4 + sin(sqrt(100.*x**2+100.*y**2))        / (1.5*sqrt(100.*x**2+100.*y**2))
NO_ANIMATION = 1
## Last datafile plotted: "++"
splot '++' using 1:2:(f($1,$2)):(hsv2rgb($1,$2,1.0))        with pm3d lc rgb variable