# set terminal png transparent nocrop enhanced font arial 8 size 420,320 
# set output 'polar.6.png'
set clip points
unset border
set dummy t,y
set key right top Right noreverse noinvert enhanced box linetype -1 linewidth 1.000 samplen 4 spacing 1 width 0 height 0 autotitles
set polar
set samples 160, 160
set xzeroaxis lt 0 lw 1.000
set yzeroaxis lt 0 lw 1.000
set xtics axis nomirror norotate autofreq 
set ytics axis nomirror norotate autofreq 
set trange [ * : * ] noreverse nowriteback  # (currently [0.00000:6.28319] )
set xrange [ * : * ] noreverse nowriteback  # (currently [-5.00000:5.00000] )
set yrange [ * : * ] noreverse nowriteback  # (currently [-5.00000:5.00000] )
plot 1-sin(t)