# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'param.8.png'
set border 4095 front lt black linewidth 1.000 dashtype solid
set dummy u, v
set format x "" 
set format y "" 
set format x2 "" 
set format y2 "" 
set format z "" 
set format cb "" 
set format r "" 
set label 1 "Decouple range of parametric axes u/v\nfrom that of display axes x/y/z" at screen 0.1, 0.9, 0 left norotate back nopoint
set parametric
set view 120, 300, 1, 1
set view  equal xyz
set samples 121, 61
set isosamples 121, 61
set xyplane relative 0
set xtics border in scale 0,0 mirror norotate  autojustify
set ytics border in scale 0,0 mirror norotate  autojustify
set ztics border in scale 0,0 nomirror norotate  autojustify
set cbtics border in scale 0,0 mirror norotate  autojustify
set rtics border in scale 0,0 nomirror norotate  autojustify
set urange [ -3.14159 : 3.14159 ] noreverse
set vrange [ -1.57080 : 1.57080 ] noreverse
set xrange [ -1.00000 : 1.00000 ] noreverse
set yrange [ -1.00000 : 1.00000 ] noreverse
set zrange [ -1.00000 : 1.00000 ] noreverse
set pm3d depthorder 
set palette cubehelix start 0.5 cycles 3 saturation 1
unset colorbox
xx(u, v) = cos(v) * cos(u)
yy(u, v) = cos(v) * sin(u)
zz(u, v) = sin(v)
color(u, v) = sin(2*u)+sin(2*v)
NO_ANIMATION = 1
## Last datafile plotted: "++"
splot "++" using (xx($1,$2)):(yy($1,$2)):(zz($1,$2)):(color($1,$2)) with pm3d notitle