# set terminal png transparent nocrop enhanced font arial 8 size 420,320 
# set output 'scatter.3.png'
set dgrid3d 10,10, 4
set dummy u,v
set key right top Right noreverse noinvert enhanced box linetype -1 linewidth 1.000 samplen 4 spacing 1 width 0 height 0 autotitles
set parametric
set style data lines
set title "Simple demo of scatter data conversion to grid data" 0.000000,0.000000  font ""
set xlabel " data style lines, dgrid3d ,,4 " 0.000000,0.000000  font ""
splot "hemisphr.dat"