# set terminal pngcairo transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 # set output 'surface1.5.png' set grid nopolar set grid xtics nomxtics ytics nomytics noztics nomztics nortics nomrtics \ nox2tics nomx2tics noy2tics nomy2tics nocbtics nomcbtics set grid layerdefault lt 0 linecolor 0 linewidth 0.500, lt 0 linecolor 0 linewidth 0.500 set samples 21, 21 set isosamples 11, 11 set style data lines set title "3D surface from a function" 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 x2range [ * : * ] noreverse writeback set ylabel "Y axis" set ylabel offset character 3, -2, 0 font "" textcolor lt -1 rotate set yrange [ -10.0000 : 10.0000 ] noreverse nowriteback set y2range [ * : * ] noreverse writeback set zlabel "Z axis" set zlabel offset character -5, 0, 0 font "" textcolor lt -1 norotate set zrange [ * : * ] noreverse writeback set cbrange [ * : * ] noreverse writeback set rrange [ * : * ] noreverse writeback set colorbox vertical origin screen 0.9, 0.2 size screen 0.05, 0.6 front noinvert bdefault NO_ANIMATION = 1 ## Last datafile plotted: "$grid" splot x**2+y**2, x**2-y**2, x*y, (x**3+y**3)/10