# set terminal pngcairo  background "#ffffff" enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'pm3d.37.png'
set border 4095 front linetype -1 linewidth 1.000
set format cb "%.01t*10^{%T}"
set samples 40, 40
set isosamples 40, 40
set hidden3d back offset 1 trianglepattern 3 undefined 1 altdiagonal bentover
set ticslevel 0
set title "color lines: 'splot sin(y)/(y) with lines palette'" 
set xlabel "X" 
set xrange [ -10.0000 : 10.0000 ] noreverse nowriteback
set ylabel "Y" 
set yrange [ -10.0000 : 10.0000 ] noreverse nowriteback
splot sin(y)/(y) w lines palette