def _new_data_set(): d = DataSets() d.NormFlag = True d.DataBackgroundFlag = True d.data_x_range_flag = True d.norm_x_range_flag = True d.DataTofRange = tof_range d.NormBackgroundFlag = True d.slits_width_flag = True d.incident_medium_list = [incident_medium] d.incident_medium_index_selected = 0 d.angle_offset = angle_offset d.angle_offset_error = angle_offset_err d.q_min = q_min d.q_step = q_step d.fourth_column_dq0 = dQ_constant d.fourth_column_dq_over_q = dQ_slope d.scaling_factor_file = sf_file return d