def _limit_by_constant_angle(self, scattered_data_list, acceptance_angle):
    angle = (acceptance_angle / 2)
    min_acceptance = (0 - angle)
    max_acceptance = (0 + angle)
    x_range = np.arange((- 90), 90, 1)
    min_index_list = np.where((x_range < min_acceptance))
    max_index_list = np.where((x_range > max_acceptance))
    for (indx, scatter) in enumerate(scattered_data_list):
        scatter[min_index_list] = 0
        scatter[max_index_list] = 0
    return scattered_data_list
def _limit_by_constant_angle(self, scattered_data_list, acceptance_angle):
    angle = (acceptance_angle / 2)
    min_acceptance = (0 - angle)
    max_acceptance = (0 + angle)
    x_range = np.arange((- 90), 90, 1)
    min_index_list = np.where((x_range < min_acceptance))
    max_index_list = np.where((x_range > max_acceptance))
    for (indx, scatter) in enumerate(scattered_data_list):
        scatter[min_index_list] = 0
        scatter[max_index_list] = 0
    return scattered_data_list