#!/usr/bin/gnuplot
reset
set terminal png

set xlabel "Iterations"
set ylabel "Wave"

set title "Wave propagation (150 x 150) by geophones"

set style line 1 lt 1 lw 3 pt 3 linecolor rgb "red" 
set style line 2 lt 1 lw 3 pt 3 linecolor rgb "blue"
set style line 3 lt 1 lw 3 pt 3 linecolor rgb "green"
set style line 4 lt 1 lw 3 pt 3 linecolor rgb "black"

set term png enhanced size 800,600

plot "0" using 2:3 w l ls 1 title "Geophone 1" ,\
     "1" using 2:3 w l ls 2 title "Geophone 2" ,\
	"2" using 2:3 w l ls 3 title "Geophone 3",\
	"3" using 2:3 w l ls 4 title "Geophone 4"

#NLINES=13
#plot for [i=0:NLINES] '<sort -n log' u ((column(1)==i)?column(1):NaN):2 w lines lw 3