# set terminal pngcairo transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 # set output 'surface1.2.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 label 1 "This is the surface boundary" at -10.0000, -5.00000, 150.000 center norotate back nopoint set arrow 1 from -10.0000, -5.00000, 120.000 to -10.0000, 0.00000, 0.00000 nohead back nofilled linewidth 1.000 dashtype solid set arrow 2 from -10.0000, -5.00000, 120.000 to 10.0000, 0.00000, 0.00000 nohead back nofilled linewidth 1.000 dashtype solid set arrow 3 from -10.0000, -5.00000, 120.000 to 0.00000, 10.0000, 0.00000 nohead back nofilled linewidth 1.000 dashtype solid set arrow 4 from -10.0000, -5.00000, 120.000 to 0.00000, -10.0000, 0.00000 nohead back nofilled linewidth 1.000 dashtype solid set style increment default 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 ## Last datafile plotted: "$grid" splot x*y