# 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
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
set yrange [ -1.00000 : 1.40000 ] noreverse
set bmargin  6
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'