# set terminal svg size 600,400 dynamic enhanced fname 'arial'  fsize 10 mousing name "scatter_8" butt solid 
# set output 'scatter.8.svg'
set dgrid3d 10,10, 4
set dummy u,v
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 ,,4" 
u = 0.0
splot "scatter2.dat"