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# Convex hulls
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unset key
set xrange [-30:30]
set yrange [-30:30]
set border 3
set tics nomirror rangelimited
set style fill transparent solid 0.1 border
set title "Generation of convex hull bounding scattered points"
set style line 1 lc "black" pt 6
set style line 2 lc "forest-green" pt 7
plot for [i=0:1] 'hull.dat' index i with points ls (i+1), \
for [i=0:1] '' index i convexhull with filledcurve ls (i+1)
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set title "Smooth convex hull"
plot for [i=0:1] 'hull.dat' index i with points ls (i+1), \
for [i=0:1] '' index i convexhull smooth path with filledcurve ls (i+1)
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set title "Smooth convex hull expanded by increment of 1.5"
plot for [i=0:1] 'hull.dat' index i with points ls (i+1), \
for [i=0:1] '' index i convexhull expand 1.5 smooth path with filledcurve ls (i+1)
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reset |