[Matplotlib-users] Adding Arrows to polar plots

[Nils W. <nw...@ia...>]

Hi all,

what is the native "data" coordinate system for Arrows in 
a polar plot ?

How do I add arrows to a polar plot ?

An example would be appreciated.
fig = figure(figsize=(12,12))
ax = fig.add_subplot(111, polar=True)

Nils