# quad_commands.txt
#
# Usage:
#  gnuplot < quad_commands.txt
#
set term png
set output "quad.png"
set xlabel "<--- X --->"
set ylabel "<--- Y --->"
set title "quad"
set grid
set key off
set size ratio -1
set style data lines
plot "quad_grid.txt" using 1:2 with points lt 3 pt 3,\
    "quad_vertex.txt" using 1:2 lw 3 linecolor rgb "black"
quit