def __init__(self, radial_tick=4, linear_tick=10, scale=10, **kwargs):
    self.bind(pos=self.draw, size=self.draw)
    self.tick_color = [0.51, 0.51, 0.51, 1]
    self.plots = []
    self.nb_radial_tick = radial_tick
    self.nb_linear_tick = linear_tick
    self.scale = scale
    super(PolarGraph, self).__init__(**kwargs)
    self.ratio = 1
    if (self.size_hint[0] != None):
        self.ratio = self.size_hint[0]
def __init__(self, radial_tick=4, linear_tick=10, scale=10, **kwargs):
    self.bind(pos=self.draw, size=self.draw)
    self.tick_color = [0.51, 0.51, 0.51, 1]
    self.plots = []
    self.nb_radial_tick = radial_tick
    self.nb_linear_tick = linear_tick
    self.scale = scale
    super(PolarGraph, self).__init__(**kwargs)
    self.ratio = 1
    if (self.size_hint[0] != None):
        self.ratio = self.size_hint[0]