# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'pm3d.5.png'
set border 4095 front lt black linewidth 1.000 dashtype solid
set view 50, 50, 1, 1
set samples 25, 25
set isosamples 20, 20
unset surface
set style data lines
set xyplane at -0.26
set title "set pm3d at bst (adding depthorder used to break)" 
set xlabel "x" 
set xrange [ -15.0000 : 15.0000 ] noreverse
set ylabel "y" 
set yrange [ -15.0000 : 15.0000 ] noreverse
set zrange [ -0.250000 : 1.00000 ] noreverse
set pm3d implicit at bst
set pm3d depthorder 
set pm3d interpolate 1,1 flush begin noftriangles border lt black linewidth 0.300 dashtype solid corners2color mean
NO_ANIMATION = 1
splot sin(sqrt(x**2+y**2))/sqrt(x**2+y**2) lc "black"