# # Along-path cubic spline smoothing # $CURVES << EOD 1 2 1.5 2 2 2.5 3 5 2.5 5 1.5 4 3 3 3.5 3.1 3.7 3.2 3.6 3.7 3.5 4.0 3.2 3.5 3 3 1 5 2 5 3 6 1 5 EOD set xrange [0:6] set yrange [0:6.2] set border 3 set tics nomirror set style fill transparent solid 0.2 border lt 8 set title "Along-path spline fit to multiple sets of points\n" plot $CURVES using 1:2 with points ps 2 lc "steelblue" title "original points", \ '' using 1:2 smooth path with filledcurves closed title "smooth path with filledcurves closed" |
$LOOP << EOD 1.5 0.5 2.5 0.5 3 1.0 3.5 1.5 4.0 3.5 3.6 4.5 3.0 2.5 4 1.5 5 1.5 EOD set title "Along-path spline fit to multiple sets of points\n(some open and some closed)" 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 |
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