# set terminal canvas  rounded size 600,400 enhanced fsize 10 lw 1.6 fontscale 1 name "contourfill_3" jsdir "."
# set output 'contourfill.3.js'
set key at screen 1, 0.9 right top vertical Right noreverse enhanced autotitle nobox
set label 1 "set palette viridis" at screen 0.82, 0.9, 0 center norotate back nopoint
set label 2 "set contourfill ztics\nsplot with contourfill" at screen 0.4, 0.9, 0 center norotate back nopoint
set view 60, 30, 0.8, 1
set samples 51, 51
set isosamples 51, 51
set hidden3d back offset 0 trianglepattern 3 undefined 1 altdiagonal bentover
set contour surface
set contourfill ztics
set xyplane relative 0
unset xtics
unset ytics
set cbtics border in scale 5,2.5 mirror norotate  autojustify
set cbtics  norangelimit 10 
set xrange [ -1.00000 : 5.00000 ] noreverse nowriteback
set x2range [ * : * ] noreverse writeback
set yrange [ -3.00000 : 3.00000 ] noreverse nowriteback
set y2range [ * : * ] noreverse writeback
set zlabel "Z " 
set zlabel  offset character 1, 0, 0 font "" textcolor lt -1 norotate
set zrange [ -10.0000 : 10.0000 ] noreverse nowriteback
set cbrange [ * : * ] noreverse writeback
set rrange [ * : * ] noreverse writeback
set lmargin at screen 0
set bmargin at screen 0
set pm3d interpolate 1,1 flush begin noftriangles border linecolor rgb "black"  linewidth 0.500 dashtype solid corners2color mean
set palette positive nops_allcF maxcolors 0 gamma 1.5 viridis
set colorbox user
set colorbox vertical origin screen 0.8, 0.3 size screen 0.05, 0.5 front  noinvert bdefault
f(x,y) = sinc( sqrt(x*x + y*y) )
g(x,y) = x**2 + y**2 * (1 - x)**3
splot g(x,y) with contourfill notitle