コード例 #1
0
class OccuMapDemoDrivingAgent(Agent):
    def __init__(self, vehicle: Vehicle, agent_settings: AgentConfig, **kwargs):
        super().__init__(vehicle, agent_settings, **kwargs)
        self.occupancy_map = OccupancyGridMap(absolute_maximum_map_size=550,
                                              world_coord_resolution=1,
                                              occu_prob=0.99,
                                              max_points_to_convert=5000)
        occu_map_file_path = Path("./ROAR_Sim/data/easy_map_cleaned_global_occu_map.npy")
        self.occupancy_map.load_from_file(file_path=occu_map_file_path)

    def run_step(self, sensors_data: SensorsData, vehicle: Vehicle) -> VehicleControl:
        super(OccuMapDemoDrivingAgent, self).run_step(sensors_data=sensors_data, vehicle=vehicle)
        self.occupancy_map.visualize(transform=self.vehicle.transform, view_size=(200, 200))
        return VehicleControl()
コード例 #2
0
class MarkAgent(Agent):

    def __init__(self, **kwargs):
        super().__init__(**kwargs)
        self.route_file_path = Path(self.agent_settings.waypoint_file_path)
        self.pid_controller = PIDController(agent=self,
                                            steering_boundary=(-1, 1), throttle_boundary=(0, 1))
        self.mission_planner = WaypointFollowingMissionPlanner(agent=self)
        # initiated right after mission plan

        self.behavior_planner = BehaviorPlanner(agent=self)
        self.local_planner = DynamicWindowsApproach(
            agent=self,
            controller=self.pid_controller)

        occu_map_file_path = Path("./ROAR_Sim/data/easy_map_cleaned_global_occu_map.npy")
        self.occupancy_map = OccupancyGridMap(absolute_maximum_map_size=550,
                                              world_coord_resolution=1,
                                              occu_prob=0.99,
                                              max_points_to_convert=5000,
                                              threaded=True)
        self.occupancy_map.load_from_file(file_path=occu_map_file_path)

        # self.obstacle_from_depth_detector = ObstacleFromDepth(agent=self,
        #                                                       threaded=True,
        #                                                       max_detectable_distance=0.3,
        #                                                       max_points_to_convert=10000,
        #                                                       min_obstacle_height=2)
        # self.add_threaded_module(self.obstacle_from_depth_detector)
        # self.add_threaded_module(self.occupancy_map)



    def run_step(self, sensors_data: SensorsData, vehicle: Vehicle) -> VehicleControl:
        super(MarkAgent, self).run_step(vehicle=vehicle,
                                        sensors_data=sensors_data)
        control = self.local_planner.run_in_series()

        option = "obstacle_coords"  # ground_coords, point_cloud_obstacle_from_depth
        if self.kwargs.get(option, None) is not None:
            points = self.kwargs[option]
            self.occupancy_map.update_async(points)
            self.occupancy_map.visualize()
            self.occupancy_map.get_map()

        return control
コード例 #3
0
class RLDepthE2EAgent(Agent):
    def __init__(self, vehicle: Vehicle, agent_settings: AgentConfig,
                 **kwargs):
        super().__init__(vehicle, agent_settings, **kwargs)
        self.route_file_path = Path(self.agent_settings.waypoint_file_path)
        self.pid_controller = PIDController(agent=self,
                                            steering_boundary=(-1, 1),
                                            throttle_boundary=(0, 1))
        self.mission_planner = WaypointFollowingMissionPlanner(agent=self)
        # initiated right after mission plan
        self.behavior_planner = BehaviorPlanner(agent=self)
        self.local_planner = LoopSimpleWaypointFollowingLocalPlanner(
            agent=self,
            controller=self.pid_controller,
            mission_planner=self.mission_planner,
            behavior_planner=self.behavior_planner,
            closeness_threshold=1.5)

        # the part about visualization
        self.occupancy_map = OccupancyGridMap(agent=self, threaded=True)

        occ_file_path = Path(
            "../ROAR_Sim/data/easy_map_cleaned_global_occu_map.npy")
        self.occupancy_map.load_from_file(occ_file_path)

        self.plan_lst = list(
            self.mission_planner.produce_single_lap_mission_plan())

        self.kwargs = kwargs
        self.interval = self.kwargs.get('interval', 50)
        self.look_back = self.kwargs.get('look_back', 5)
        self.look_back_max = self.kwargs.get('look_back_max', 10)
        self.thres = self.kwargs.get('thres', 1e-3)

        self.int_counter = 0
        self.counter = 0
        self.finished = False
        self.curr_dist_to_strip = 0
        self.bbox: Optional[LineBBox] = None
        self._get_next_bbox()

    def run_step(self, sensors_data: SensorsData,
                 vehicle: Vehicle) -> VehicleControl:
        super(RLDepthE2EAgent, self).run_step(sensors_data, vehicle)
        self.local_planner.run_in_series()
        _, self.curr_dist_to_strip = self.bbox_step()
        if self.kwargs.get("control") is None:
            return VehicleControl()
        else:
            return self.kwargs.get("control")

    def bbox_step(self):
        """
        This is the function that the line detection agent used

        Main function to use for detecting whether the vehicle reached a new strip in
        the current step. The old strip (represented as a bbox) will be gone forever
        return:
        crossed: a boolean value indicating whether a new strip is reached
        dist (optional): distance to the strip, value no specific meaning
        """
        self.counter += 1
        if not self.finished:
            crossed, dist = self.bbox.has_crossed(self.vehicle.transform)

            if crossed:
                self.int_counter += 1
                self._get_next_bbox()

            return crossed, dist
        return False, 0.0

    def _get_next_bbox(self):
        # make sure no index out of bound error
        curr_lb = self.look_back
        curr_idx = self.int_counter * self.interval
        while curr_idx + curr_lb < len(self.plan_lst):
            if curr_lb > self.look_back_max:
                self.int_counter += 1
                curr_lb = self.look_back
                curr_idx = self.int_counter * self.interval
                continue

            t1 = self.plan_lst[curr_idx]
            t2 = self.plan_lst[curr_idx + curr_lb]

            dx = t2.location.x - t1.location.x
            dz = t2.location.z - t1.location.z
            if abs(dx) < self.thres and abs(dz) < self.thres:
                curr_lb += 1
            else:
                self.bbox = LineBBox(t1, t2)
                return
        # no next bbox
        print("finished all the iterations!")
        self.finished = True