# set terminal pngcairo transparent enhanced font "arial,10" fontscale 1.0 size 500, 350 # set output 'surface1.9.png' set samples 21, 21 set isosamples 11, 11 set noxtics set noytics set title "Surfaces with no grid or tics" set xlabel "X axis" set xlabel offset character -3, -2, 0 font "" textcolor lt -1 norotate set xrange [ -1.00000 : 1.00000 ] noreverse nowriteback set ylabel "Y axis" set ylabel offset character 3, -2, 0 font "" textcolor lt -1 rotate by -270 set yrange [ -1.00000 : 1.00000 ] noreverse nowriteback set zlabel "Z axis" set zlabel offset character -5, 0, 0 font "" textcolor lt -1 norotate splot x*y with lines, x**2*y**3 with dots, x**3*y*2 with points