! Example of radar plot.
! Author: Francois Tonneau

size 11.5 8

include pole.gle

set font ss hei 0.3

begin graph
    data "./radar.dat" d1=c2,c4 d2=c2,c5
    axis off
end graph

wheelcenter 4 4
wheeldims 0 3
wheelvalues 0 100
startangles at 90 going clockwise

fillweb fill "#f6f6f6" pin 30

set color gray10
drawthreadaround pin 30

drawpolarline d1 color "#e67e7e" fill "#e67e7e" close end
drawpolarline d2 color "#86bdbf" fill "#86bdbf" close end

set color gray10
drawrays from 0 to 360 by 30
drawthreads from 20 to 80 by 20 pin 30

set color gray70 hei 0.27

labelstyle just circular
writelabelsfrom "./radar.dat"

tagstyle xoffset -0.1 just cr format "fix 0 append °F"
writetags at 30 from 20 to 80 by 20

set hei 0.3
amove 8.5 5
write "Temperature in \lineskip{1.25}\\New York (2017):"
begin key
    absolute 8.5  3 nobox
    marker fcircle color "#e67e7e" msize 0.16 text "Average high"
    marker fcircle color "#86bdbf" msize 0.16 text "Average low"
end key