コード例 #1
0
ファイル: sugiyama.py プロジェクト: J93T/flow_fork
def sugiyama_example(sumo_binary=None):
    sumo_params = SumoParams(sim_step=0.1, sumo_binary="sumo-gui")

    if sumo_binary is not None:
        sumo_params.sumo_binary = sumo_binary

    vehicles = Vehicles()
    vehicles.add(
        veh_id="idm",
        acceleration_controller=(IDMController, {}),
        routing_controller=(ContinuousRouter, {}),
        num_vehicles=22)

    env_params = EnvParams(additional_params=ADDITIONAL_ENV_PARAMS)

    additional_net_params = ADDITIONAL_NET_PARAMS.copy()
    net_params = NetParams(additional_params=additional_net_params)

    initial_config = InitialConfig(bunching=20)

    scenario = LoopScenario(
        name="sugiyama",
        generator_class=CircleGenerator,
        vehicles=vehicles,
        net_params=net_params,
        initial_config=initial_config)

    env = AccelEnv(env_params, sumo_params, scenario)

    return SumoExperiment(env, scenario)
コード例 #2
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def start():
    sumo_params = SumoParams(sim_step=0.1, sumo_binary="sumo")

    sumo_params.sumo_binary = 'sumo'

    vehicles = Vehicles()
    vehicles.add(veh_id="idm",
                 acceleration_controller=(IDMController, {}),
                 routing_controller=(ContinuousRouter, {}),
                 num_vehicles=22)

    env_params = EnvParams(additional_params=ADDITIONAL_ENV_PARAMS)

    additional_net_params = ADDITIONAL_NET_PARAMS.copy()
    net_params = NetParams(additional_params=additional_net_params)

    initial_config = InitialConfig(bunching=20)

    scenario = LoopScenario(name="sugiyama",
                            generator_class=CircleGenerator,
                            vehicles=vehicles,
                            net_params=net_params,
                            initial_config=initial_config)

    env = AccelEnv(env_params, sumo_params, scenario)
    env._close()
コード例 #3
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def figure_eight_example(sumo_binary=None):
    sumo_params = SumoParams(sumo_binary="sumo-gui")

    if sumo_binary is not None:
        sumo_params.sumo_binary = sumo_binary

    vehicles = Vehicles()
    vehicles.add(veh_id="idm",
                 acceleration_controller=(IDMController, {}),
                 lane_change_controller=(StaticLaneChanger, {}),
                 routing_controller=(ContinuousRouter, {}),
                 initial_speed=0,
                 num_vehicles=14)

    env_params = EnvParams(additional_params=ADDITIONAL_ENV_PARAMS)

    additional_net_params = ADDITIONAL_NET_PARAMS.copy()
    net_params = NetParams(no_internal_links=False,
                           additional_params=additional_net_params)

    scenario = Figure8Scenario(name="figure8",
                               generator_class=Figure8Generator,
                               vehicles=vehicles,
                               net_params=net_params)

    env = AccelEnv(env_params, sumo_params, scenario)

    return SumoExperiment(env, scenario)
コード例 #4
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ファイル: grid.py プロジェクト: mljack/flow
def grid_example(sumo_binary=None):
    inner_length = 300
    long_length = 500
    short_length = 300
    n = 2
    m = 3
    num_cars_left = 20
    num_cars_right = 20
    num_cars_top = 20
    num_cars_bot = 20
    tot_cars = (num_cars_left + num_cars_right) * m \
        + (num_cars_top + num_cars_bot) * n

    grid_array = {
        "short_length": short_length,
        "inner_length": inner_length,
        "long_length": long_length,
        "row_num": n,
        "col_num": m,
        "cars_left": num_cars_left,
        "cars_right": num_cars_right,
        "cars_top": num_cars_top,
        "cars_bot": num_cars_bot
    }

    sumo_params = SumoParams(sim_step=0.1, sumo_binary="sumo-gui")

    if sumo_binary is not None:
        sumo_params.sumo_binary = sumo_binary

    vehicles = Vehicles()
    vehicles.add(veh_id="human",
                 routing_controller=(GridRouter, {}),
                 num_vehicles=tot_cars)

    env_params = EnvParams(additional_params=ADDITIONAL_ENV_PARAMS)

    additional_net_params = {
        "grid_array": grid_array,
        "speed_limit": 35,
        "horizontal_lanes": 1,
        "vertical_lanes": 1,
        "traffic_lights": True
    }
    net_params = NetParams(no_internal_links=False,
                           additional_params=additional_net_params)

    initial_config = InitialConfig()

    scenario = SimpleGridScenario(name="grid-intersection",
                                  generator_class=SimpleGridGenerator,
                                  vehicles=vehicles,
                                  net_params=net_params,
                                  initial_config=initial_config)

    env = AccelEnv(env_params, sumo_params, scenario)

    return SumoExperiment(env, scenario)
コード例 #5
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ファイル: highway.py プロジェクト: pcmoritz/flow
def highway_example(sumo_binary=None):
    """
    Perform a simulation of vehicles on a highway.

    Parameters
    ----------
    sumo_binary: bool, optional
        specifies whether to use sumo's gui during execution

    Returns
    -------
    exp: flow.core.SumoExperiment type
        A non-rl experiment demonstrating the performance of human-driven
        vehicles on a figure eight.
    """
    sumo_params = SumoParams(sumo_binary="sumo-gui")

    if sumo_binary is not None:
        sumo_params.sumo_binary = sumo_binary

    vehicles = Vehicles()
    vehicles.add(veh_id="human",
                 acceleration_controller=(IDMController, {}),
                 num_vehicles=20)
    vehicles.add(veh_id="human2",
                 acceleration_controller=(IDMController, {}),
                 num_vehicles=20)

    env_params = EnvParams(additional_params=ADDITIONAL_ENV_PARAMS)

    inflow = InFlows()
    inflow.add(veh_type="human",
               edge="highway",
               probability=0.25,
               departLane="free",
               departSpeed=20)
    inflow.add(veh_type="human2",
               edge="highway",
               probability=0.25,
               departLane="free",
               departSpeed=20)

    additional_net_params = ADDITIONAL_NET_PARAMS.copy()
    net_params = NetParams(in_flows=inflow,
                           additional_params=additional_net_params)

    initial_config = InitialConfig(spacing="uniform", shuffle=True)

    scenario = HighwayScenario(name="highway",
                               generator_class=HighwayGenerator,
                               vehicles=vehicles,
                               net_params=net_params,
                               initial_config=initial_config)

    env = AccelEnv(env_params, sumo_params, scenario)

    return SumoExperiment(env, scenario)
コード例 #6
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def two_loops_merge_straight_example(sumo_binary=None):
    sumo_params = SumoParams(sim_step=0.1, emission_path="./data/",
                             sumo_binary="sumo-gui")

    if sumo_binary is not None:
        sumo_params.sumo_binary = sumo_binary

    # note that the vehicles are added sequentially by the generator,
    # so place the merging vehicles after the vehicles in the ring
    vehicles = Vehicles()
    vehicles.add(veh_id="idm",
                 acceleration_controller=(IDMController, {}),
                 lane_change_controller=(SumoLaneChangeController, {}),
                 routing_controller=(ContinuousRouter, {}),
                 num_vehicles=7,
                 sumo_car_following_params=SumoCarFollowingParams(
                     minGap=0.0, tau=0.5),
                 sumo_lc_params=SumoLaneChangeParams())
    vehicles.add(veh_id="merge-idm",
                 acceleration_controller=(IDMController, {}),
                 lane_change_controller=(SumoLaneChangeController, {}),
                 routing_controller=(ContinuousRouter, {}),
                 num_vehicles=10,
                 sumo_car_following_params=SumoCarFollowingParams(
                     minGap=0.01, tau=0.5),
                 sumo_lc_params=SumoLaneChangeParams())

    env_params = EnvParams(additional_params=ADDITIONAL_ENV_PARAMS)

    additional_net_params = ADDITIONAL_NET_PARAMS.copy()
    additional_net_params["ring_radius"] = 50
    additional_net_params["inner_lanes"] = 1
    additional_net_params["outer_lanes"] = 1
    additional_net_params["lane_length"] = 75
    net_params = NetParams(
        no_internal_links=False,
        additional_params=additional_net_params
    )

    initial_config = InitialConfig(
        x0=50,
        spacing="uniform",
        additional_params={"merge_bunching": 0}
    )

    scenario = TwoLoopsOneMergingScenario(
        name="two-loop-one-merging",
        generator_class=TwoLoopOneMergingGenerator,
        vehicles=vehicles,
        net_params=net_params,
        initial_config=initial_config
    )

    env = AccelEnv(env_params, sumo_params, scenario)

    return SumoExperiment(env, scenario)
コード例 #7
0
ファイル: merge.py プロジェクト: mljack/flow
def merge_example(sumo_binary=None):
    sumo_params = SumoParams(sumo_binary="sumo-gui",
                             emission_path="./data/",
                             sim_step=0.2,
                             restart_instance=True)

    if sumo_binary is not None:
        sumo_params.sumo_binary = sumo_binary

    vehicles = Vehicles()
    vehicles.add(veh_id="human",
                 acceleration_controller=(IDMController, {
                     "noise": 0.2
                 }),
                 num_vehicles=5)

    env_params = EnvParams(additional_params=ADDITIONAL_ENV_PARAMS,
                           sims_per_step=5,
                           warmup_steps=0)

    inflow = InFlows()
    inflow.add(veh_type="human",
               edge="inflow_highway",
               vehs_per_hour=(1 - RL_PENETRATION) * FLOW_RATE,
               departLane="free",
               departSpeed=10)
    inflow.add(veh_type="human",
               edge="inflow_merge",
               vehs_per_hour=100,
               departLane="free",
               departSpeed=7.5)

    additional_net_params = ADDITIONAL_NET_PARAMS.copy()
    additional_net_params["merge_lanes"] = 1
    additional_net_params["highway_lanes"] = 1
    additional_net_params["pre_merge_length"] = 500
    net_params = NetParams(in_flows=inflow,
                           no_internal_links=False,
                           additional_params=additional_net_params)

    initial_config = InitialConfig(spacing="uniform",
                                   perturbation=5.0,
                                   lanes_distribution=float("inf"))

    scenario = MergeScenario(name="merge-baseline",
                             generator_class=MergeGenerator,
                             vehicles=vehicles,
                             net_params=net_params,
                             initial_config=initial_config)

    env = WaveAttenuationMergePOEnv(env_params, sumo_params, scenario)

    return SumoExperiment(env, scenario)
コード例 #8
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ファイル: highway.py プロジェクト: J93T/flow_fork
def highway_example(sumo_binary=None):
    sumo_params = SumoParams(sumo_binary="sumo-gui")

    if sumo_binary is not None:
        sumo_params.sumo_binary = sumo_binary

    vehicles = Vehicles()
    vehicles.add(veh_id="human",
                 acceleration_controller=(IDMController, {}),
                 num_vehicles=20)
    vehicles.add(veh_id="human2",
                 acceleration_controller=(IDMController, {}),
                 num_vehicles=20)

    env_params = EnvParams(additional_params=ADDITIONAL_ENV_PARAMS)

    inflow = InFlows()
    inflow.add(veh_type="human",
               edge="highway",
               probability=0.25,
               departLane="free",
               departSpeed=20)
    inflow.add(veh_type="human2",
               edge="highway",
               probability=0.25,
               departLane="free",
               departSpeed=20)

    additional_net_params = ADDITIONAL_NET_PARAMS.copy()
    net_params = NetParams(in_flows=inflow,
                           additional_params=additional_net_params)

    initial_config = InitialConfig(spacing="uniform", shuffle=True)

    scenario = HighwayScenario(name="highway",
                               generator_class=HighwayGenerator,
                               vehicles=vehicles,
                               net_params=net_params,
                               initial_config=initial_config)

    env = AccelEnv(env_params, sumo_params, scenario)

    return SumoExperiment(env, scenario)
コード例 #9
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def figure_eight_example(sumo_binary=None):
    """
    Perform a simulation of vehicles on a figure eight.

    Parameters
    ----------
    sumo_binary: bool, optional
        specifies whether to use sumo's gui during execution

    Returns
    -------
    exp: flow.core.SumoExperiment type
        A non-rl experiment demonstrating the performance of human-driven
        vehicles on a figure eight.
    """
    sumo_params = SumoParams(sumo_binary="sumo-gui")

    if sumo_binary is not None:
        sumo_params.sumo_binary = sumo_binary

    vehicles = Vehicles()
    vehicles.add(veh_id="idm",
                 acceleration_controller=(IDMController, {}),
                 lane_change_controller=(StaticLaneChanger, {}),
                 routing_controller=(ContinuousRouter, {}),
                 speed_mode="no_collide",
                 initial_speed=0,
                 num_vehicles=14)

    env_params = EnvParams(additional_params=ADDITIONAL_ENV_PARAMS)

    additional_net_params = ADDITIONAL_NET_PARAMS.copy()
    net_params = NetParams(no_internal_links=False,
                           additional_params=additional_net_params)

    scenario = Figure8Scenario(name="figure8",
                               generator_class=Figure8Generator,
                               vehicles=vehicles,
                               net_params=net_params)

    env = AccelEnv(env_params, sumo_params, scenario)

    return SumoExperiment(env, scenario)
コード例 #10
0
ファイル: bay_bridge.py プロジェクト: pcmoritz/flow
def bay_bridge_example(sumo_binary=None,
                       use_inflows=False,
                       use_traffic_lights=False):
    """
    Perform a simulation of vehicles on the Oakland-San Francisco Bay Bridge.

    Parameters
    ----------
    sumo_binary: bool, optional
        specifies whether to use sumo's gui during execution
    use_inflows: bool, optional
        whether to activate inflows from the peripheries of the network
    use_traffic_lights: bool, optional
        whether to activate the traffic lights in the scenario

    Returns
    -------
    exp: flow.core.SumoExperiment type
        A non-rl experiment demonstrating the performance of human-driven
        vehicles simulated by sumo on the Bay Bridge.
    """
    sumo_params = SumoParams(sim_step=0.6, overtake_right=True)

    if sumo_binary is not None:
        sumo_params.sumo_binary = sumo_binary

    sumo_car_following_params = SumoCarFollowingParams(speedDev=0.2)
    sumo_lc_params = SumoLaneChangeParams(
        lcAssertive=20,
        lcPushy=0.8,
        lcSpeedGain=4.0,
        model="LC2013",
        # lcKeepRight=0.8
    )

    vehicles = Vehicles()
    vehicles.add(veh_id="human",
                 acceleration_controller=(SumoCarFollowingController, {}),
                 routing_controller=(BayBridgeRouter, {}),
                 speed_mode="all_checks",
                 lane_change_mode="no_lat_collide",
                 sumo_car_following_params=sumo_car_following_params,
                 sumo_lc_params=sumo_lc_params,
                 num_vehicles=1400)

    additional_env_params = {}
    env_params = EnvParams(additional_params=additional_env_params)

    traffic_lights = TrafficLights()

    inflow = InFlows()

    if use_inflows:
        # south
        inflow.add(veh_type="human",
                   edge="183343422",
                   vehsPerHour=528,
                   departLane="0",
                   departSpeed=20)
        inflow.add(veh_type="human",
                   edge="183343422",
                   vehsPerHour=864,
                   departLane="1",
                   departSpeed=20)
        inflow.add(veh_type="human",
                   edge="183343422",
                   vehsPerHour=600,
                   departLane="2",
                   departSpeed=20)

        inflow.add(veh_type="human",
                   edge="393649534",
                   probability=0.1,
                   departLane="0",
                   departSpeed=20)  # no data for this

        # west
        inflow.add(veh_type="human",
                   edge="11189946",
                   vehsPerHour=1752,
                   departLane="0",
                   departSpeed=20)
        inflow.add(veh_type="human",
                   edge="11189946",
                   vehsPerHour=2136,
                   departLane="1",
                   departSpeed=20)
        inflow.add(veh_type="human",
                   edge="11189946",
                   vehsPerHour=576,
                   departLane="2",
                   departSpeed=20)

        # north
        inflow.add(veh_type="human",
                   edge="28413687#0",
                   vehsPerHour=2880,
                   departLane="0",
                   departSpeed=20)
        inflow.add(veh_type="human",
                   edge="28413687#0",
                   vehsPerHour=2328,
                   departLane="1",
                   departSpeed=20)
        inflow.add(veh_type="human",
                   edge="28413687#0",
                   vehsPerHour=3060,
                   departLane="2",
                   departSpeed=20)
        inflow.add(veh_type="human",
                   edge="11198593",
                   probability=0.1,
                   departLane="0",
                   departSpeed=20)  # no data for this
        inflow.add(veh_type="human",
                   edge="11197889",
                   probability=0.1,
                   departLane="0",
                   departSpeed=20)  # no data for this

        # midway through bridge
        inflow.add(veh_type="human",
                   edge="35536683",
                   probability=0.1,
                   departLane="0",
                   departSpeed=20)  # no data for this

    net_params = NetParams(in_flows=inflow, no_internal_links=False)
    net_params.netfile = NETFILE

    # download the netfile from AWS
    if use_traffic_lights:
        my_url = "https://s3-us-west-1.amazonaws.com/flow.netfiles/" \
                 "bay_bridge_TL_all_green.net.xml"
    else:
        my_url = "https://s3-us-west-1.amazonaws.com/flow.netfiles/" \
                 "bay_bridge_junction_fix.net.xml"
    my_file = urllib.request.urlopen(my_url)
    data_to_write = my_file.read()

    with open(
            os.path.join(os.path.dirname(os.path.abspath(__file__)), NETFILE),
            "wb+") as f:
        f.write(data_to_write)

    initial_config = InitialConfig(spacing="uniform", min_gap=15)

    scenario = BayBridgeScenario(name="bay_bridge",
                                 generator_class=BayBridgeGenerator,
                                 vehicles=vehicles,
                                 traffic_lights=traffic_lights,
                                 net_params=net_params,
                                 initial_config=initial_config)

    env = BayBridgeEnv(env_params, sumo_params, scenario)

    return SumoExperiment(env, scenario)
コード例 #11
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def grid_example(sumo_binary=None):
    inner_length = 300
    long_length = 500
    short_length = 300
    n = 2
    m = 3
    num_cars_left = 20
    num_cars_right = 20
    num_cars_top = 20
    num_cars_bot = 20
    tot_cars = (num_cars_left + num_cars_right) * m \
        + (num_cars_top + num_cars_bot) * n

    grid_array = {
        "short_length": short_length,
        "inner_length": inner_length,
        "long_length": long_length,
        "row_num": n,
        "col_num": m,
        "cars_left": num_cars_left,
        "cars_right": num_cars_right,
        "cars_top": num_cars_top,
        "cars_bot": num_cars_bot
    }

    sumo_params = SumoParams(sim_step=0.1, sumo_binary="sumo-gui")

    if sumo_binary is not None:
        sumo_params.sumo_binary = sumo_binary

    vehicles = Vehicles()
    vehicles.add(veh_id="human",
                 routing_controller=(GridRouter, {}),
                 num_vehicles=tot_cars)

    env_params = EnvParams(additional_params=ADDITIONAL_ENV_PARAMS)

    tl_logic = TrafficLights(baseline=False)
    phases = [{
        "duration": "31",
        "minDur": "8",
        "maxDur": "45",
        "state": "GGGrrrGGGrrr"
    }, {
        "duration": "6",
        "minDur": "3",
        "maxDur": "6",
        "state": "yyyrrryyyrrr"
    }, {
        "duration": "31",
        "minDur": "8",
        "maxDur": "45",
        "state": "rrrGGGrrrGGG"
    }, {
        "duration": "6",
        "minDur": "3",
        "maxDur": "6",
        "state": "rrryyyrrryyy"
    }]
    tl_logic.add("center0", phases=phases, programID=1)
    tl_logic.add("center1", phases=phases, programID=1)
    tl_logic.add("center2", tls_type="actuated", phases=phases, programID=1)

    additional_net_params = {
        "grid_array": grid_array,
        "speed_limit": 35,
        "horizontal_lanes": 1,
        "vertical_lanes": 1
    }
    net_params = NetParams(no_internal_links=False,
                           additional_params=additional_net_params)

    initial_config = InitialConfig()

    scenario = SimpleGridScenario(name="grid-intersection",
                                  generator_class=SimpleGridGenerator,
                                  vehicles=vehicles,
                                  net_params=net_params,
                                  initial_config=initial_config,
                                  traffic_lights=tl_logic)

    env = AccelEnv(env_params, sumo_params, scenario)

    return SumoExperiment(env, scenario)
コード例 #12
0
ファイル: bay_bridge_toll.py プロジェクト: J93T/flow_fork
def bay_bridge_bottleneck_example(sumo_binary=None, use_traffic_lights=False):
    """
    Performs a non-RL simulation of the bottleneck portion of the Oakland-San
    Francisco Bay Bridge. This consists of the toll booth and sections of the
    road leading up to it.

    Parameters
    ----------
    sumo_binary: bool, optional
        specifies whether to use sumo's gui during execution
    use_traffic_lights: bool, optional
        whether to activate the traffic lights in the scenario

    Note
    ----
    Unlike the bay_bridge_example, inflows are always activated here.
    """
    sumo_params = SumoParams(sim_step=0.4, overtake_right=True)

    if sumo_binary is not None:
        sumo_params.sumo_binary = sumo_binary

    sumo_car_following_params = SumoCarFollowingParams(speedDev=0.2)
    sumo_lc_params = SumoLaneChangeParams(model="LC2013",
                                          lcCooperative=0.2,
                                          lcSpeedGain=15)

    vehicles = Vehicles()

    vehicles.add(veh_id="human",
                 acceleration_controller=(SumoCarFollowingController, {}),
                 routing_controller=(BayBridgeRouter, {}),
                 speed_mode="all_checks",
                 lane_change_mode="no_lat_collide",
                 sumo_car_following_params=sumo_car_following_params,
                 sumo_lc_params=sumo_lc_params,
                 num_vehicles=50)

    additional_env_params = {}
    env_params = EnvParams(additional_params=additional_env_params)

    inflow = InFlows()

    inflow.add(veh_type="human",
               edge="393649534",
               probability=0.2,
               departLane="random",
               departSpeed=10)
    inflow.add(veh_type="human",
               edge="4757680",
               probability=0.2,
               departLane="random",
               departSpeed=10)
    inflow.add(veh_type="human",
               edge="32661316",
               probability=0.2,
               departLane="random",
               departSpeed=10)
    inflow.add(veh_type="human",
               edge="90077193#0",
               vehs_per_hour=2000,
               departLane="random",
               departSpeed=10)

    net_params = NetParams(in_flows=inflow,
                           no_internal_links=False,
                           netfile=NETFILE)

    # download the netfile from AWS
    if use_traffic_lights:
        my_url = "https://s3-us-west-1.amazonaws.com/flow.netfiles/" \
                 "bay_bridge_TL_all_green.net.xml"
    else:
        my_url = "https://s3-us-west-1.amazonaws.com/flow.netfiles/" \
                 "bay_bridge_junction_fix.net.xml"
    my_file = urllib.request.urlopen(my_url)
    data_to_write = my_file.read()

    with open(
            os.path.join(os.path.dirname(os.path.abspath(__file__)), NETFILE),
            "wb+") as f:
        f.write(data_to_write)

    initial_config = InitialConfig(
        spacing="uniform",  # "random",
        min_gap=15)

    scenario = BayBridgeTollScenario(name="bay_bridge_toll",
                                     generator_class=BayBridgeTollGenerator,
                                     vehicles=vehicles,
                                     net_params=net_params,
                                     initial_config=initial_config)

    env = BayBridgeEnv(env_params, sumo_params, scenario)

    return SumoExperiment(env, scenario)
コード例 #13
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def loop_merge_example(sumo_binary=None):
    """
    Perform a simulation of vehicles on a loop merge.

    Parameters
    ----------
    sumo_binary: bool, optional
        specifies whether to use sumo's gui during execution

    Returns
    -------
    exp: flow.core.SumoExperiment type
        A non-rl experiment demonstrating the performance of human-driven
        vehicles on a loop merge.
    """
    sumo_params = SumoParams(sim_step=0.1,
                             emission_path="./data/",
                             sumo_binary="sumo-gui")

    if sumo_binary is not None:
        sumo_params.sumo_binary = sumo_binary

    # note that the vehicles are added sequentially by the generator,
    # so place the merging vehicles after the vehicles in the ring
    vehicles = Vehicles()
    vehicles.add(veh_id="idm",
                 acceleration_controller=(IDMController, {}),
                 lane_change_controller=(SumoLaneChangeController, {}),
                 routing_controller=(ContinuousRouter, {}),
                 num_vehicles=7,
                 speed_mode="no_collide",
                 sumo_car_following_params=SumoCarFollowingParams(minGap=0.0,
                                                                  tau=0.5),
                 sumo_lc_params=SumoLaneChangeParams())
    vehicles.add(veh_id="merge-idm",
                 acceleration_controller=(IDMController, {}),
                 lane_change_controller=(SumoLaneChangeController, {}),
                 routing_controller=(ContinuousRouter, {}),
                 num_vehicles=10,
                 speed_mode="no_collide",
                 sumo_car_following_params=SumoCarFollowingParams(minGap=0.01,
                                                                  tau=0.5),
                 sumo_lc_params=SumoLaneChangeParams())

    env_params = EnvParams(additional_params=ADDITIONAL_ENV_PARAMS)

    additional_net_params = ADDITIONAL_NET_PARAMS.copy()
    additional_net_params["ring_radius"] = 50
    additional_net_params["inner_lanes"] = 1
    additional_net_params["outer_lanes"] = 1
    additional_net_params["lane_length"] = 75
    net_params = NetParams(no_internal_links=False,
                           additional_params=additional_net_params)

    initial_config = InitialConfig(x0=50,
                                   spacing="uniform",
                                   additional_params={"merge_bunching": 0})

    scenario = TwoLoopsOneMergingScenario(
        name="two-loop-one-merging",
        generator_class=TwoLoopOneMergingGenerator,
        vehicles=vehicles,
        net_params=net_params,
        initial_config=initial_config)

    env = AccelEnv(env_params, sumo_params, scenario)

    return SumoExperiment(env, scenario)