# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'walls.1.png'
unset key
set wall y0  fc  rgb "bisque"  fillstyle  transparent solid 0.50 border lt -1
set wall x0  fc  rgb "forest-green"  fillstyle  transparent solid 0.50 border lt -1
set wall z0  fc  rgb "slategrey"  fillstyle  transparent solid 0.50 border lt -1
set view 65, 145, 1, 1
set isosamples 25, 25
set style data lines
set xyplane at 0
unset xtics
unset ytics
set title "Test/demo of new feature 'grid walls'" 
set xrange [ 0.00000 : 1.00000 ] noreverse nowriteback
set x2range [ * : * ] noreverse writeback
set yrange [ 0.00000 : 1.00000 ] noreverse nowriteback
set y2range [ * : * ] noreverse writeback
set zrange [ * : * ] noreverse writeback
set cbrange [ * : * ] noreverse writeback
set rrange [ * : * ] noreverse writeback
set pm3d interpolate 2,2 flush begin noftriangles noborder corners2color mean
set palette cubehelix start 0.5 cycles -1.5 saturation 1
set colorbox vertical origin screen 0.9, 0.2 size screen 0.05, 0.6 front  noinvert bdefault
unset colorbox
sinc(x) = sin(x)/x
NO_ANIMATION = 1
splot .1 + y* sinc(20*(x-0.5)) with pm3d