# set terminal pngcairo transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 # set output 'surface1.15.png' set dummy u, v set label 1 "This is equal to 1" at 0.00000, 3.20000, 1.00000 left norotate back nopoint set arrow 1 from 0.00000, 3.00000, 1.00000 to 0.00000, 0.00000, 1.00000 head back nofilled linewidth 1.000 dashtype solid set samples 51, 51 set isosamples 21, 21 set style data lines set title "Sinc function" 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 x2range [ * : * ] noreverse writeback set ylabel "Y axis" set ylabel offset character 3, -2, 0 font "" textcolor lt -1 rotate set yrange [ -1.00000 : 1.00000 ] noreverse nowriteback set y2range [ * : * ] noreverse writeback set zlabel "Z axis" set zlabel offset character -5, 0, 0 font "" textcolor lt -1 norotate set zrange [ -1.00000 : 1.00000 ] 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 sinc(u,v) = sin(sqrt(u**2+v**2)) / sqrt(u**2+v**2) NO_ANIMATION = 1 ## Last datafile plotted: "$grid" splot [-5:5.01] [-5:5.01] sinc(u,v)