pybtls.traffic.lfc.LaneFlowComposition

class LaneFlowComposition(lane_index, lane_dir, no_block=24, block_size=3600, tag='Now')

Bases: object

The LaneFlowComposition instance stores the data for creating a CLaneFlowComposition instance in C++.

The hourly flow, speed, and truck composition data for a lane.

Parameters:

• lane_index (int) – The index of the lane. 1-based global index.

• lane_dir (Literal[1,2]) –

  The direction of the lane.

  1 - vehicles drive from left to right.

  2 - vehicles drive from right to left.

  Must be in the same coordinate system used when defining the bridge.

• no_block (int, optional) – The number of blocks in a day. The default is 24.

• block_size (int, optional) – The size of a block in seconds. The default is 3600.

• tag (str, optional) – To tag the moment of the lane flow composition. The default is “Now”.

Methods

assign_lane_data

Assign the required data to the lane for traffic generation.

Attributes

flow_assigned
lane_dir
lane_index
speed_assigned
tag
truck_composition_assigned

assign_lane_data(**kwargs)

Assign the required data to the lane for traffic generation.

Keyword Arguments:

• hourly_truck_flow (list[float]) – The hourly truck flow data in veh/h.

• hourly_car_flow (list[float]) – The hourly car flow data in veh/h.

• hourly_car_percentage (list[float]) – The hourly car percentage data in percent.

• hourly_speed_mean (list[float]) – The hourly mean speed data in dm/s.

• hourly_speed_std (list[float]) – The hourly standard deviation of speed data in dm/s.

• hourly_truck_composition (list[list[float]]) – The hourly truck composition data in percent. The list should only consist of four truck percentages.

Return type:

None.