# set terminal svg size 600,400 dynamic enhanced fname 'arial' fsize 10 mousing name "surface1_3" butt solid # set output 'surface1.3.svg' set grid nopolar set grid xtics nomxtics ytics nomytics noztics nomztics \ nox2tics nomx2tics noy2tics nomy2tics nocbtics nomcbtics set grid layerdefault linetype -1 linecolor rgb "gray" linewidth 0.200, linetype -1 linecolor rgb "gray" linewidth 0.200 set samples 21, 21 set isosamples 11, 11 set title "3D gnuplot demo" set xlabel "X axis" set xlabel offset character -3, -2, 0 font "" textcolor lt -1 norotate set xrange [ -10.0000 : 10.0000 ] noreverse nowriteback set ylabel "Y axis" set ylabel offset character 3, -2, 0 font "" textcolor lt -1 rotate by -270 set yrange [ -10.0000 : 10.0000 ] noreverse nowriteback set zlabel "Z axis" set zlabel offset character -5, 0, 0 font "" textcolor lt -1 norotate splot x**2+y**2, x**2-y**2, x*y