def place_agents_along_linestring(self,
world,
linestring,
s_start,
s_end,
agent_params,
goal_definition):
s = s_start
if s_end < s_start:
linestring.reverse()
s = s_end
s_end = s_start
agent_list = []
while s < s_end:
# set agent state on linestring with random velocity
xy_point = get_point_at_s(linestring, s)
angle = get_tangent_angle_at_s(linestring, s)
velocity = self.sample_velocity_uniform(self._other_velocity_range)
agent_state = np.array([0, xy_point.x(), xy_point.y(), angle, velocity ])
agent_params = self._agent_params.copy()
agent_params["state"] = agent_state
agent_params["goal_definition"] = goal_definition
agent_params["map_interface"] = world.map
converter = ModelJsonConversion()
bark_agent = converter.agent_from_json(agent_params, self._params)
agent_list.append(bark_agent)
# move forward on linestring based on vehicle size and max/min distance
s += bark_agent.shape.front_dist + bark_agent.shape.rear_dist + \
self.sample_distance_uniform(self._vehicle_distance_range)
return agent_list
def initialize_params(self, params):
self._local_params = \
self._params["Scenario"]["Generation"]["DeterministicScenarioGeneration"]
self.goal_frame_center = self._local_params["goal_frame"][
"center_pose", "Center pose of the goal frames", [0, 0, 0]]
self.goal_frame_points = self._local_params["goal_frame"][
"polygon_points", "Points of the goal frame polygon",
[[-0.2, 1], [0.2, 1], [0.2, -1], [-0.2, -1], [-0.2, 1]]]
self.goal_frame_poses = self._local_params[
"goal_poses",
"A list with x,y, theta specyfing the sequence of the goal frames",
[[5, 10, 3.14 / 2 + 0.01], [10, 15, 3.14 /
4], [20, 10, 3.14 /
2], [15, 2, 3.14 / 2 - 0.7]]]
json_converter = ModelJsonConversion()
_agent_params = json_converter.agent_to_json(
self.default_drone_model())
if not isinstance(_agent_params, dict):
_agent_params = _agent_params.convert_to_dict()
self.drone_params = self._local_params[
"drones", "list of dictionaries with drone definitions",
[{
"drone_model": _agent_params
}]]
self.ego_agent_id = self._local_params["ego_agent_id",
"ID of the ego-agent", 0]
def initialize_params(self, params):
self._local_params = \
self._params["Scenario"]["Generation"]["DeterministicScenarioGeneration"]
self._map_file_name = self._local_params[
"MapFilename", "Path to the open drive map",
"modules/runtime/tests/data/Crossing8Course.xodr"]
self._json_converter = ModelJsonConversion()
def initialize_params(self, params):
params_temp = \
self._params["Scenario"]["Generation"]["UniformVehicleDistribution"]
self._random_seed = 1000 # since ScenarioGeneration UniformVehicleDistribution
# will soon be deprecated we introduce this hack
self._map_file_name = params_temp[
"MapFilename", "Path to the open drive map",
"modules/runtime/tests/data/city_highway_straight.xodr", ]
self._ego_goal_end = params_temp[
"EgoGoalEnd", "The center of the ego agent's goal region polygon",
[5117, 5200]]
self._ego_goal_start = params_temp[
"EgoGoalStart", "The coordinates of the start of the ego goal,\
if empty only ego goal end is used as center of polygon ", []]
self._ego_goal_state_limits = params_temp[
"EgoGoalStateLimits",
"x,y and theta limits around center line of lane between start and end applied to both lateral sides \
(only valid if start and end goal of ego are given)", [0.1, 0, 0.08]]
self._ego_route = params_temp[
"EgoRoute",
"A list of two points defining start and end point of initial ego driving corridor. \
If empty, then one of the other agents is selected as ego agents.",
[[5117.5, 5100], [5117.5, 5200]]]
self._others_source = params_temp[
"OthersSource",
"A list of points around which other vehicles spawn. \
Points should be on different lanes. XodrLanes must be near these points \
(<0.5m) Provide a list of lists with x,y-coordinates",
[[5114.626, 5061.8305]]]
self._others_sink = params_temp[
"OthersSink",
"A list of points defining end of other vehicles routes.\
Points should be on different lanes and match the order of the\
source points. XodrLanes must be near these points (<0.5m) \
Provide a list of lists with x,y-coordinates", [[5114.626, 5193.1725]]]
assert len(self._others_sink) == len(self._others_source)
self._vehicle_distance_range = params_temp["VehicleDistanceRange",
"Distance range between vehicles in meter given as tuple from which" + \
"distances are sampled uniformly",
(10, 20)]
self._other_velocity_range = params_temp["OtherVehicleVelocityRange",
"Lower and upper bound of velocity in km/h given as tuple from which" + \
" velocities are sampled uniformly",
(20,30)]
self._ego_velocity_range = params_temp["EgoVehicleVelocityRange",
"Lower and upper bound of velocity in km/h given as tuple from which" + \
" velocities are sampled uniformly",
(20,30)]
json_converter = ModelJsonConversion()
self._agent_params = params_temp[
"VehicleModel", "How to model the other agents",
json_converter.agent_to_json(self.default_agent_model())]
if not isinstance(self._agent_params, dict):
self._agent_params = self._agent_params.convert_to_dict()
np.random.seed(self._random_seed)
def create_single_scenario(self):
scenario = Scenario(map_file_name=None,
json_params=self._params.convert_to_dict())
scenario._agent_list = []
for agent_json in self.drone_params:
agent_json["drone_model"]["map_interface"] = None
agent_json["drone_model"][
"goal_definition"] = self._build_sequential_goal_definition()
json_converter = ModelJsonConversion()
agent = json_converter.agent_from_json(
agent_json["drone_model"], param_server=self._local_params)
agent.set_agent_id(agent_json["drone_model"]["id"])
scenario._agent_list.append(agent)
scenario._eval_agent_ids = [
self._local_params["EgoAgentId", "ID of the ego-agent", 0]
]
return scenario
def initialize_params(self, params):
self._local_params = \
self._params["Scenario"]["Generation"]["DeterministicDroneChallengeGeneration"]
self.goal_frame_center = self._local_params["goal_frame"][
"center_pose", "Center pose of the goal frames", [1, 0, 0]]
self.goal_frame_points = self._local_params["goal_frame"][
"polygon_points", "Points of the goal frame polygon",
[[0., 0.], [2., 0.], [2., 0.5], [0., 0.5], [0., 0.]]]
self.goal_frame_poses = self._local_params[
"goal_poses",
"A list with x,y, theta specyfing the sequence of the goal frames",
[[5, 10, -0.3], [10, 15, -1.2], [20, 10, -2.9], [15, 2, -3.9]]]
self._map_file_name = self._local_params[
"MapFilename", "Path to the open drive map",
"modules/runtime/tests/data/Crossing8Course.xodr"]
self._json_converter = ModelJsonConversion()
def initialize_params(self, params):
params_temp = self.params["Scenario"]["Generation"][
"UniformVehicleDistribution"]
self.map_file_name = params_temp[
"MapFilename", "Path to the open drive map",
"modules/runtime/tests/data/Crossing8Course.xodr"]
self.ego_goal = params_temp[
"EgoGoal", "The center of the ego agent's goal region polygon",
[-191.789, -50.1725]]
self.others_source = params_temp[
"OthersSource",
"A list of points around which other vehicles spawn. \
Points should be on different lanes. Lanes must be near these points (<0.5m) \
Provide a list of lists with x,y-coordinates",
[[-16.626, -14.8305]]]
self.others_sink = params_temp[
"OthersSink",
"A list of points around which other vehicles are deleted. \
Points should be on different lanes and match the order of the source points. \
Lanes must be near these points (<0.5m) \
Provide a list of lists with x,y-coordinates",
[[-191.789, -50.1725]]]
assert len(self.others_sink) == len(self.others_source)
self.vehicle_distance_range = params_temp[
"VehicleDistanceRange",
"Distance range between vehicles in meter given as tuple from which distances are sampled uniformly",
(40, 50)]
self.velocity_range = params_temp[
"VehicleVelocityRange",
"Lower and upper bound of velocity in km/h given as tuple from which velocities are sampled uniformly",
(20, 30)]
json_converter = ModelJsonConversion()
self.agent_params = params_temp["VehicleModel", "How to model the agent", \
json_converter.agent_to_json(self.default_agent_model())]
if not isinstance(self.agent_params, dict):
self.agent_params = self.agent_params.convert_to_dict()
np.random.seed(self.random_seed)
def agent_from_trackfile(track_params, param_server, agent_id):
fname = track_params["filename"]
track_id = track_params["track_id"]
track = track_from_trackfile(fname, track_id)
start = track_params["start_offset",
"The timestamp in ms when to start the trajectory",
None]
end = track_params["end_offset",
"The timestamp in ms when to end the trajectory", None]
behavior_model = track_params["behavior_model"]
if start is None:
start = track.time_stamp_ms_first
if end is None:
end = track.time_stamp_ms_last
model_converter = ModelJsonConversion()
if behavior_model is None:
# each agent need's its own param server
behavior = behavior_from_track(
track, param_server.addChild("agent{}".format(agent_id)), start,
end)
else:
behavior = model_converter.convert_model(behavior_model, param_server)
bark_agent = Agent(
init_state_from_track(track, start), behavior,
model_converter.convert_model(track_params["dynamic_model"],
param_server),
model_converter.convert_model(track_params["execution_model"],
param_server),
shape_from_track(
track, param_server["DynamicModel"]
["wheel_base", "Distance between front and rear wheel center",
2.7]), param_server.addChild("agent{}".format(agent_id)),
goal_definition_from_track(track, end), track_params["map_interface"])
# set agent id from track
bark_agent.SetAgentId(track_id)
return bark_agent
def create_single_scenario(self):
scenario = Scenario(map_file_name=self._map_file_name,
json_params=self._params.convert_to_dict())
world = scenario.get_world_state()
agent_list = []
# OTHER AGENTS
for idx, source in enumerate(self._others_source):
connecting_center_line, s_start, s_end, _, lane_id_end = \
self.center_line_between_source_and_sink(world.map,
source,
self._others_sink[idx])
goal_polygon = Polygon2d([0, 0, 0],
[Point2d(-1.5,0),
Point2d(-1.5,8),
Point2d(1.5,8),
Point2d(1.5,0)])
goal_polygon = goal_polygon.translate(Point2d(self._others_sink[idx][0],
self._others_sink[idx][1]))
goal_definition = GoalDefinitionPolygon(goal_polygon)
agent_list.extend(
self.place_agents_along_linestring(world,
connecting_center_line,
s_start,
s_end,
self._agent_params,
goal_definition))
description=self._params.convert_to_dict()
description["ScenarioGenerator"] = "UniformVehicleDistribution"
# EGO AGENT
ego_agent=None
if len(self._ego_route) == 0:
# take agent in the middle of list
num_agents = len(agent_list)
ego_agent = agent_list[math.floor(num_agents/4)]
else:
connecting_center_line, s_start, s_end, _, lane_id_end = \
self.center_line_between_source_and_sink(world.map,
self._ego_route[0],
self._ego_route[1])
sego = self.sample_srange_uniform([s_start, s_end])
xy_point = get_point_at_s(connecting_center_line, sego)
angle = get_tangent_angle_at_s(connecting_center_line, sego)
velocity = self.sample_velocity_uniform(self._ego_velocity_range)
agent_state = np.array([0, xy_point.x(), xy_point.y(), angle, velocity ])
agent_params = self._agent_params.copy()
agent_params["state"] = agent_state
# goal for driving corridor generation
goal_polygon = Polygon2d([0, 0, 0],
[Point2d(-1.5,0),
Point2d(-1.5,8),
Point2d(1.5,8),
Point2d(1.5,0)])
goal_polygon = goal_polygon.translate(Point2d(self._ego_route[1][0],
self._ego_route[1][1]))
goal_definition = GoalDefinitionPolygon(goal_polygon)
agent_params["goal_definition"] = goal_definition
agent_params["map_interface"] = world.map
converter = ModelJsonConversion()
ego_agent = converter.agent_from_json(agent_params, self._params)
# TODO(@bernhard): ensure that ego agent not collides with others
agent_list.append(ego_agent)
# EGO Agent Goal Definition
if len(self._ego_goal_start) == 0:
if len(self._ego_route) == 0:
# ego agent is one of the random agents, so the goal definition is
# already set
pass
else:
goal_polygon = Polygon2d([0, 0, 0],
[Point2d(-1.5,0),
Point2d(-1.5,8),
Point2d(1.5,8),
Point2d(1.5,0)])
goal_polygon = goal_polygon.translate(Point2d(self._ego_goal_end[0],
self._ego_goal_end[1]))
ego_agent.goal_definition = GoalDefinitionPolygon(goal_polygon)
ego_agent.generate_local_map()
else:
connecting_center_line, s_start, s_end, _, lane_id_end = \
self.center_line_between_source_and_sink(world.map,
self._ego_goal_start,
self._ego_goal_end)
goal_center_line = get_line_from_s_interval(connecting_center_line, s_start, s_end)
# build polygon representing state limits
lims = self._ego_goal_state_limits
goal_limits_left = goal_center_line.translate(Point2d(-lims[0], -lims[1]))
goal_limits_right = goal_center_line.translate(Point2d(lims[0], lims[1]))
goal_limits_right.reverse()
goal_limits_left.append_linestring(goal_limits_right)
polygon = Polygon2d([0,0,0], goal_limits_left)
ego_agent.goal_definition = GoalDefinitionStateLimits(polygon, (1.57-0.08, 1.57+0.08))
# only one agent is ego in the middle of all other agents
scenario._agent_list = agent_list
scenario._eval_agent_ids = [ego_agent.id]
return scenario