# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'polar_quadrants.1.png'
unset border
set dummy t, y
set ttics format "%g°"
set grid polar 0.523599
set grid noxtics nomxtics noytics nomytics noztics nomztics rtics nomrtics \
 nox2tics nomx2tics noy2tics nomy2tics nocbtics nomcbtics
set grid layerdefault   lt black linewidth 0.300 dashtype solid,  lt black linewidth 0.300 dashtype solid
set raxis
unset key
set polar
set polar grid 24, 10 qnorm 1  theta [0:360]  r [0:*]
set size ratio 1 1,1
set style data lines
set mttics 3
unset xtics
set ytics axis in scale 0.5,0.25 mirror norotate  offset character -1, 0, 0 autojustify
set ytics  norangelimit 2 
set ztics border in scale 0.5,0.25 nomirror norotate  autojustify
set cbtics border in scale 0.5,0.25 mirror norotate  autojustify
set rtics border in scale 0.5,0.25 nomirror norotate  offset character 0, 2, 0 autojustify
set ttics axis in scale 1,0.5 nomirror norotate  autojustify
set ttics  norangelimit 0.00000,30  font ":Italic"
set xrange [ 0.00000 : 6.50000 ] noreverse
set yrange [ -6.50000 : 0.00000 ] noreverse
set rrange [ 0.00000 : 6.10000 ] noreverse
NO_ANIMATION = 1
## Last plot was a multiplot
# saved multiplot
set multiplot layout 2,2 title "Polar Quadrants"
set xrange [-6.5:0]
set yrange [0:6.5]
set ytics offset 4
plot t lt 3 lw 2, -t lt 4 lw 2

set xrange [0:6.5]
set yrange [0:6.5]
set ytics offset -1 
plot t lt 3 lw 2, -t lt 4 lw 2

set rtics offset 0,2
set xrange [-6.5:0]
set yrange [-6.5:0]
set ytics offset 4
plot t lt 3 lw 2, -t lt 4 lw 2

set xrange [0:6.5]
set yrange [-6.5:0]
set ytics offset -1
plot t lt 3 lw 2, -t lt 4 lw 2

unset multiplot