#!/usr/bin/gnuplot
set terminal svg size 2000,1200
set output 'plt2.svg'

set size ratio -1
set grid
set xtics 100
set ytics 100

# halbe laenge der Vektorpfeile
len=8.0

plot \
'kml.txt' u 1:2 w linespoints pt 12 ps 1 title 'KML-Punkte', \
'head.txt' u ($1-len*cos($3)):($2-len*sin($3)):(2*len*cos($3)):(2*len*sin($3)) with vectors lc 0 title 'Richtung'