# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'smooth_path.2.png'
set border 3 front lt black linewidth 1.000 dashtype solid
set style fill  transparent solid 0.20 border rgb "black" 
set style data lines
set xtics border in scale 1,0.5 nomirror norotate  autojustify
set ytics border in scale 1,0.5 nomirror norotate  autojustify
set cbtics border in scale 1,0.5 nomirror norotate  autojustify
set title "Along-path spline fit to multiple sets of points\n(some open and some closed)" 
set xrange [ 0.00000 : 6.00000 ] noreverse
set yrange [ 0.00000 : 6.20000 ] noreverse
NO_ANIMATION = 1
## Last datafile plotted: "$LOOP"
plot $CURVES using 1:2 with points pt 7 ps 2 lc "steelblue" title "original points",      '' using 1:2 smooth path with lines lt 3 title "smooth path with lines",      $LOOP using 1:2 with points pt 7 ps 2 lc "steelblue" notitle,      '' using 1:2 smooth path with lines lt 3 notitle