# set terminal svg size 600,400 dynamic enhanced fname 'arial'  fsize 10 mousing name "scatter_5" butt solid 
# set output 'scatter.5.svg'
set dgrid3d 10,10, 16
set dummy u,v
set key inside right top vertical Right noreverse enhanced autotitles box linetype -1 linewidth 1.000
set parametric
set contour base
set style data lines
set title "Simple demo of scatter data conversion to grid data" 
set xlabel "data style lines, dgrid3d ,,16, contour" 
splot "hemisphr.dat"