#!/usr/local/bin/gnuplot -persist
# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'tics.4.png'
set border 4095 front lt black linewidth 1.000 dashtype solid
unset parametric
set view map scale 1
set samples 50, 50
set isosamples 50, 50
set style data lines
set mxtics
set xtics border out scale 3,2 mirror norotate  autojustify
set xtics  norangelimit autofreq  textcolor rgb "red" 
set ytics border in scale 3,2 mirror norotate  autojustify
set ztics border in scale 3,2 nomirror norotate  autojustify
set cbtics border in scale 4,2 mirror norotate  autojustify
set rtics axis in scale 3,2 nomirror norotate  autojustify
set title "Modified tics settings (pm3d palette with colorbar)" 
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 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
splot sin(sqrt(x**2+y**2))/sqrt(x**2+y**2) with pm3d notitle