# set terminal png transparent nocrop enhanced font arial 8 size 420,320 # set output 'random.3.png' set dummy u,v unset key set parametric set view 68, 28, 1, 1 set samples 50, 50 set isosamples 30, 30 set contour base unset clabel set hidden3d offset 1 trianglepattern 3 undefined 1 altdiagonal bentover set cntrparam levels discrete 0.1 set style function dots set ticslevel 0 set ztics border in scale 1,0.5 nomirror norotate offset character 0, 0, 0 0.00000,0.05 set title "50 random samples from a 2D Gaussian PDF with\nunit variance, zero mean and no dependence" set urange [ -3.00000 : 3.00000 ] noreverse nowriteback set vrange [ -3.00000 : 3.00000 ] noreverse nowriteback set xrange [ -3.00000 : 3.00000 ] noreverse nowriteback set yrange [ -3.00000 : 3.00000 ] noreverse nowriteback set zrange [ -0.200000 : 0.200000 ] noreverse nowriteback tstring(n) = sprintf("%d random samples from a 2D Gaussian PDF with\nunit variance, zero mean and no dependence", n) nsamp = 50 splot u,v,( 1/(2*pi) * exp(-0.5 * (u**2 + v**2)) ) with line lc rgb "black", "random.tmp" using 1:2:(-0.2) with points pointtype 7 lc rgb "black"