pybtls.traffic.lfc.LaneFlowComposition#

class LaneFlowComposition(lane_index, lane_dir, no_block=24, block_size=3600, tag='Now')[source]#

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)[source]#

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.