'return ticks_loc_angle, ticklabels_loc_angle_label
ticks_loc_angle : list of locs and angles for ticks
ticklabels_loc_angle_label : list of locs, angles and labels for tickslabels'

def _get_tick_info(self, tick_iter):

    ticks_loc_angle = []
    ticklabels_loc_angle_label = []
    tick_add_angle = self._tick_add_angle
    ticklabel_add_angle = self._ticklabel_add_angle
    for (loc, angle_normal, angle_tangent, label) in tick_iter:
        angle_label = (angle_tangent - 90)
        angle_label += ticklabel_add_angle
        if (np.cos((((angle_label - angle_normal) / 180.0) * np.pi)) < 0.0):
            angle_tick = angle_normal
        else:
            angle_tick = (angle_normal + 180)
        ticks_loc_angle.append([loc, angle_tick])
        ticklabels_loc_angle_label.append([loc, angle_label, label])
    return (ticks_loc_angle, ticklabels_loc_angle_label)
