# set terminal pngcairo transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 # set output 'pm3d.2.png' set border 4095 front lt black linewidth 1.000 dashtype solid set samples 25, 25 set isosamples 20, 20 set style data lines set xyplane relative 0 set title "pm3d at s (surface) / ticslevel 0" set xlabel "x" set xrange [ -15.0000 : 15.0000 ] noreverse nowriteback set x2range [ * : * ] noreverse writeback set ylabel "y" set yrange [ -15.0000 : 15.0000 ] noreverse nowriteback set y2range [ * : * ] noreverse writeback set zrange [ -0.250000 : 1.00000 ] noreverse nowriteback set cblabel "colour gradient" set cbrange [ * : * ] noreverse writeback set rrange [ * : * ] noreverse writeback set pm3d implicit at s set colorbox vertical origin screen 0.9, 0.2 size screen 0.05, 0.6 front noinvert bdefault NO_ANIMATION = 1 splot sin(sqrt(x**2+y**2))/sqrt(x**2+y**2)