# set terminal png transparent nocrop enhanced font arial 8 size 420,320 
# set output 'pm3d.19.png'
set border 4095 lt -1 lw 1.000
set style line 100 linetype 5 linewidth 0.500 pointtype 100 pointsize 1.000
set view 50, 220, 1, 1
set samples 30, 30
set isosamples 30, 30
unset surface
set ticslevel 0
set title "solution: use independent 'set zrange' and 'set cbrange'" 0.000000,0.000000  font ""
set xrange [ -1.00000 : 1.00000 ] noreverse nowriteback
set yrange [ -1.00000 : 1.00000 ] noreverse nowriteback
set zrange [ -15.0000 : 60.0000 ] noreverse nowriteback
set cbrange [ -15.0000 : 4.00000 ] noreverse nowriteback
set pm3d at st
set pm3d scansautomatic flush begin noftriangles nohidden3d solid implicit corners2color mean
splot log(x*x*y*y)