# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 500, 350 
# set output 'scatter.6.png'
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 title "Simple demo of scatter data conversion to grid data" 
set xlabel "data style points, nodgrid3d" 
splot "scatter2.dat"