# set terminal png transparent nocrop enhanced font arial 8 size 420,320 # set output 'polar.4.png' set clip points unset border set dummy t,y set key inside right top vertical Right noreverse enhanced autotitles box linetype -1 linewidth 1.000 set polar set samples 160, 160 set xzeroaxis linetype 0 linewidth 1.000 set yzeroaxis linetype 0 linewidth 1.000 set xtics axis in scale 1,0.5 nomirror norotate offset character 0, 0, 0 autofreq set ytics axis in scale 1,0.5 nomirror norotate offset character 0, 0, 0 autofreq set trange [ 0.00000 : 6.28319 ] noreverse nowriteback plot sin(4*t),cos(4*t)