# set terminal pngcairo transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 # set output 'ttics.1.png' unset border set dummy t, y set ttics format "%g°" set grid polar 1.047198 set grid noxtics nomxtics noytics nomytics noztics nomztics rtics nomrtics \ nox2tics nomx2tics noy2tics nomy2tics nocbtics nomcbtics set grid layerdefault lt 0 linecolor 0 linewidth 0.500, lt 0 linecolor 0 linewidth 0.500 set raxis unset key set style increment default set polar set size ratio 1 1,1 set style data lines set mttics 3.000000 unset xtics unset ytics set ttics axis in scale 1,0.5 nomirror norotate autojustify set ttics norangelimit 0.00000,30 font ":Italic" set ttics add ("π/2" 90.0000, "π" 180.000, "3π/2" 270.000) set title "Angle labels (ttics) for polar plots" set title offset character 0, 1, 0 font "" norotate set xrange [ -6.10000 : 6.10000 ] noreverse nowriteback set x2range [ * : * ] noreverse writeback set yrange [ -6.10000 : 6.10000 ] noreverse nowriteback set y2range [ * : * ] noreverse writeback set zrange [ * : * ] noreverse writeback set cbrange [ * : * ] noreverse writeback set rrange [ 0.00000 : 6.10000 ] noreverse nowriteback plot t lt 3 lw 2, -t lt 4 lw 2