# set terminal pngcairo  background "#ffffff" enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'random.2.png'
set dummy u,v
set format x "%3.2f"
set format y "%3.2f"
set format z "%3.2f"
unset key
set parametric
set samples 50, 50
set style data lines
set style function dots
set title "Lattice test for random numbers" 
set xlabel "rand(n) ->" 
set xlabel  offset character 0, 0, 0 font "" textcolor lt -1 rotate parallel norotate
set xrange [ 0.00000 : 1.00000 ] noreverse nowriteback
set ylabel "rand(n + 1) ->" 
set ylabel  offset character 0, -1, 0 font "" textcolor lt -1 rotate parallel rotate by -270
set yrange [ 0.00000 : 1.00000 ] noreverse nowriteback
set zlabel "rand(n + 2) ->" 
set zlabel  offset character 0, -1, 0 font "" textcolor lt -1 rotate parallel rotate by -270
set zrange [ 0.00000 : 1.00000 ] noreverse nowriteback
splot rand(0), rand(0), rand(0)