# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'custom_contours.1.png'
set key title "hidden3d firstline sorted" center
set key outside right top vertical Right noreverse enhanced autotitle nobox
set view 67, 180, 1.42, 1.05
set hidden3d back offset -1 trianglepattern 3 undefined 1 altdiagonal bentover
set contour base
set cntrparam firstlinetype 101 sorted
set style data lines
unset xtics
unset ytics
unset ztics
set xrange [ 1.00000 : 7.60000 ] noreverse nowriteback
set x2range [ * : * ] noreverse writeback
set yrange [ 1.00000 : 7.60000 ] noreverse nowriteback
set y2range [ * : * ] noreverse writeback
set zrange [ * : * ] 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 x*y lw 2