# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'delaunay.1.png'
set border 15 front lt black linewidth 1.000 dashtype solid
set style fill   solid 1.00 border rgb "black" 
set format x "" 
set format y "" 
set format x2 "" 
set format y2 "" 
set format z "" 
set format cb "" 
set format r "" 
set grid nopolar
set grid xtics nomxtics ytics nomytics noztics nomztics nortics nomrtics \
 nox2tics nomx2tics noy2tics nomy2tics nocbtics nomcbtics
set grid layerdefault   lt 0 linecolor 0 linewidth 0.500,  lt 0 linecolor 0 linewidth 0.500
set view 60, 127, 1.55, 1
set view  equal xyz
set size ratio -1 1,1
set style data lines
set xyplane relative 0
unset ztics
set palette positive nops_allcF maxcolors 0 gamma 1.5 viridis
unset colorbox
NO_ANIMATION = 1
## Last datafile plotted: "hemisphr.dat"
## Last plot was a multiplot
# saved multiplot
set multiplot layout 1,2;;    set pm3d lighting primary 0.5 spec 0.2 spec2 0.3;    splot 'hemisphr.dat' using 1:2:3 delaunay with polygons fc palette z title "pm3d lighting";;    set pm3d nolighting;    splot 'hemisphr.dat' using 1:2:3 delaunay with polygons fc palette z title "no lighting model";;    
unset multiplot