reset

set encoding iso_8859_1
set title "Polarendiagramm"
set xrange [-0.05:0.5]
set yrange [-0.35:0.6]
set xlabel "[Rücktrieb in N]"
set ylabel "[Auftrieb in N]"
set grid xtics ytics
set key bottom right

plot 'DatenEbenePlatte.txt' us ($2):($3) title 'Ebene Platte' lt 1, \
     'DatenGebogenePlatte.txt' us ($2):($3) title 'Gebogene Platte' lt 3

set output "plattepolarendiagramm.eps"
set term postscript enhanced eps color; replot