# set terminal pngcairo  background "#ffffff" enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'image2.23.png'
set key inside right top vertical Right noreverse enhanced autotitles box linetype -1 linewidth 1.000
unset key
set view 70, 45, 1, 1
set hidden3d back offset 1 trianglepattern 3 undefined 1 altdiagonal bentover
set size ratio 0 0.5,0.5
set origin 0.5,0
set style data lines
set ticslevel 0
set xtics border out scale 1,0.5 mirror norotate  offset character 0, 0, 0 autojustify
set ytics border out scale 1,0.5 mirror norotate  offset character 0, 0, 0 autojustify
set ztics border out scale 1,0.5 nomirror norotate  offset character 0, 0, 0 autojustify
set cbtics border out scale 1,0.5 mirror norotate  offset character 0, 0, 0 autojustify
set rtics axis out scale 1,0.5 nomirror norotate  offset character 0, 0, 0 autojustify
set title "'asciimat.dat' matrix index 2 using 1:(2*$2):($3*$3)" 
splot 'asciimat.dat' matrix index 2 using 1:(2*$2):($3*$3)