#!/usr/local/bin/gnuplot -persist
# set terminal pngcairo  background "#ffffff" enhanced font "arial,8" fontscale 1.0 size 500, 300 
# set output 'circles.2.png'
unset key
unset parametric
set size ratio -1 1,1
set title "Trace of unconstrained optimization with trust-region method" 
set xlabel "Note that overlapping transparent circles produce a darker area" 
set xrange [ -2.50000 : 1.50000 ] noreverse nowriteback
set x2range [ * : * ] noreverse writeback
set yrange [ -1.00000 : 2.50000 ] 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
keyx = -145.0
keyy = -30.0
keyr = 20.0
Scale = 3000.0
EnergyTypes = 6
Regions = 8
array EnergySum[8] = [2359412.0,260433.0,1532789.0,2042507.0,555961.0,528896.0,2214401.0,213900.0]
Total = 213900.0
## Last datafile plotted: "optimize.dat"
plot 'optimize.dat' with circles lc rgb "blue" fs transparent solid 0.15 noborder,     'optimize.dat' u 1:2 with linespoints lw 2 lc rgb "black"