# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'sectors.4.png'
unset border
set dummy t, y
set angles degrees
set theta clockwise top
unset key
set polar
set polar grid 24, 10 qnorm 1  theta [0:360]  r [0:*]
set size ratio -1 1,1
unset xtics
unset ytics
unset ztics
unset cbtics
unset rtics
set title "Pie (donut) chart drawn with sectors" 
set xrange [ -10.0000 : 10.0000 ] noreverse writeback
set x2range [ * : * ] noreverse writeback
set yrange [ -10.0000 : 10.0000 ] noreverse writeback
set y2range [ * : * ] noreverse writeback
set zrange [ * : * ] noreverse writeback
set cbrange [ * : * ] noreverse writeback
set rrange [ * : * ] noreverse writeback
set colorbox vertical origin screen 0.9, 0.2 size screen 0.05, 0.6 front  noinvert bdefault
f(t,r) = r*cos(t+20*r)**2
NO_ANIMATION = 1
array data[1] = []
rmax = 10
dr = 10.0
tmax = 180
dt = 10
r = 360.0
STATS_records = 7
STATS_invalid = 0
STATS_headers = 0
STATS_blank = 0
STATS_blocks = 1
STATS_outofrange = 0
STATS_columns = 3
STATS_mean = 51.4285714285714
STATS_stddev = 26.954231805876
STATS_ssd = 29.11389784311
STATS_skewness = 0.285842124945535
STATS_kurtosis = 2.39890796616589
STATS_adev = 21.6326530612245
STATS_mean_err = 10.1877420198765
STATS_stddev_err = 7.20382146723379
STATS_skewness_err = 0.925820099772551
STATS_kurtosis_err = 1.8516401995451
STATS_sum = 360.0
STATS_sumsq = 23600.0
STATS_min = 10.0
STATS_max = 100.0
STATS_median = 50.0
STATS_lo_quartile = 30.0
STATS_up_quartile = 70.0
STATS_index_min = 6
STATS_index_max = 0
fac = 1.0
## Last datafile plotted: "$data2"
plot $data2 using 4:(4):5:(3):($0+1) with sectors lc variable lw 3 fill solid border lc bgnd,      $data2 using ($4+$5/2):(8+0.7*$3):(sprintf("%.1f",$2)) with labels