# set terminal canvas  solid butt size 600,400 fsize 10 lw 1 fontscale 1 name "pm3d_16" jsdir "."
# set output 'pm3d.16.js'
set border 4095 front linetype -1 linewidth 1.000
set view 130, 10, 1, 1
set samples 50, 50
set isosamples 50, 50
unset surface
set title "set pm3d scansbackward: correctly looking surface" 
set pm3d implicit at s
set pm3d scansbackward
splot sin(sqrt(x**2+y**2))/sqrt(x**2+y**2)