#!/usr/local/bin/gnuplot -persist
# set terminal pngcairo  background "#ffffff" enhanced fontscale 1.0 size 640, 480  dashlength 2
# set output 'lines_arrows.2.png'
set style line 1  linecolor rgb "red"  linewidth 3.000 dashtype 2 pointtype 2 pointsize default
set style line 2  linecolor rgb "orange"  linewidth 2.000 dashtype 2 pointtype 2 pointsize default
set style line 3  linecolor rgb "yellow"  linewidth 3.000 dashtype 2 pointtype 2 pointsize default
set style line 4  linecolor rgb "green"  linewidth 2.000 dashtype 2 pointtype 2 pointsize default
set offsets 0.05, 0.05, 0, 0
unset parametric
set style function linespoints
unset xtics
unset ytics
set title "The pointinterval property is another way to create interrupted lines" 
set xlabel "This technique works best for equally spaced data points" 
set xrange [ -0.500000 : 3.30000 ] noreverse nowriteback
set x2range [ * : * ] noreverse writeback
set yrange [ -1.00000 : 1.40000 ] noreverse nowriteback
set y2range [ * : * ] noreverse writeback
set zrange [ * : * ] noreverse writeback
set cbrange [ * : * ] noreverse writeback
set rrange [ * : * ] noreverse writeback
set bmargin  6
set colorbox vertical origin screen 0.9, 0.2 size screen 0.05, 0.6 front  noinvert bdefault
unset colorbox
NO_ANIMATION = 1
plot cos(x)     lt -1 pi -4 pt 6 title 'pi -4',        cos(x-.8)  lt -1 pi -3 pt 7 ps 0.2 title 'pi -3 pt 7 ps 0.2',       cos(x-.2)  lt -1 pi -6 pt 7 title 'pi -6',     cos(x-.4)  lt -1 pi -3 pt 4 title 'pi -3',     cos(x-.6)  lt -1 pi -5 pt 5 title 'pi -5',      cos(x-1.)  with line lt -1 notitle,       cos(x+.2)  with line lt -1 lw 2 title 'lw 2'