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driving_benchmark.py
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driving_benchmark.py
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# Copyright (c) 2017 Computer Vision Center (CVC) at the Universitat Autonoma de
# Barcelona (UAB).
#
# This work is licensed under the terms of the MIT license.
# For a copy, see <https://opensource.org/licenses/MIT>.
import abc
import logging
import math
import time
from time import gmtime, strftime
import sys
from carla.client import VehicleControl
from carla.client import make_carla_client
from carla.driving_benchmark.metrics import Metrics
from planner.planner import Planner, REACH_GOAL, GO_STRAIGHT, TURN_RIGHT, TURN_LEFT, LANE_FOLLOW
from carla.settings import CarlaSettings
from carla.tcp import TCPConnectionError
from carla.driving_benchmark import results_printer
from recording import Recording
# from ogm_planner import OGM_Planner
from ogm_planner import OGM_Planner
def sldist(c1, c2):
return math.sqrt((c2[0] - c1[0]) ** 2 + (c2[1] - c1[1]) ** 2)
class DrivingBenchmark(object):
"""
The Benchmark class, controls the execution of the benchmark interfacing
an Agent class with a set Suite.
The benchmark class must be inherited with a class that defines the
all the experiments to be run by the agent
"""
def __init__(
self,
city_name='Town01',
name_to_save='Test',
continue_experiment=False,
start_from_exp_pose=(1,1),
save_images=False,
distance_for_success=2.0,
enable_WZ_avoidance_using_OGM=False,
enable_steering_rect_using_OGM=False,
simulator_fps=15,
visualize_ogm_planner=False,
save_ogm_planner_figure=False,
start_visualize_or_save_from_frame=0,
normal_save_quality=50,
save_high_quality_frame_numbers=[],
visualize_save_directory=""
):
self.__metaclass__ = abc.ABCMeta
self.COMMANDS_ENUM = {
REACH_GOAL: "REACH_GOAL",
GO_STRAIGHT: "GO_STRAIGHT",
TURN_RIGHT: "TURN_RIGHT",
TURN_LEFT: "TURN_LEFT",
LANE_FOLLOW: "LANE_FOLLOW",
}
self._city_name = city_name
self._base_name = name_to_save
# The minimum distance for arriving into the goal point in
# order to consider ir a success
self._distance_for_success = distance_for_success
# The object used to record the benchmark and to able to continue after
self._recording = Recording(name_to_save=name_to_save,
continue_experiment=continue_experiment,
save_images=save_images,
start_from_exp_pose=start_from_exp_pose
)
# We have a default planner instantiated that produces high level commands
self._planner = Planner(city_name)
self._enable_WZ_avoidance_using_OGM = enable_WZ_avoidance_using_OGM
self._enable_steering_rect_using_OGM = enable_steering_rect_using_OGM
if self._enable_WZ_avoidance_using_OGM:
self._ogm_planner = OGM_Planner(self._city_name, simulator_fps=simulator_fps, route_planner=self._planner,
visualize_ogm_planner=visualize_ogm_planner,
save_ogm_planner_figure = save_ogm_planner_figure,
start_visualize_or_save_from_frame=start_visualize_or_save_from_frame,
normal_save_quality=normal_save_quality,
save_high_quality_frame_numbers=save_high_quality_frame_numbers,
visualize_save_directory=visualize_save_directory)
def benchmark_agent(self, experiment_suite, agent, client):
"""
Function to benchmark the agent.
It first check the log file for this benchmark.
if it exist it continues from the experiment where it stopped.
Args:
experiment_suite
agent: an agent object with the run step class implemented.
client:
Return:
A dictionary with all the metrics computed from the
agent running the set of experiments.
"""
# Instantiate a metric object that will be used to compute the metrics for
# the benchmark afterwards.
metrics_object = Metrics(experiment_suite.metrics_parameters,
experiment_suite.dynamic_tasks)
# Function return the current pose and task for this benchmark.
start_pose, start_experiment = self._recording.get_pose_and_experiment(
experiment_suite.get_number_of_poses_task())
# if sys.platform.startswith('win'): # Windows machines workaround
# start_pose -= 1
logging.info('START')
ex = 0
exs = len(experiment_suite.get_experiments()[int(start_experiment):])
for experiment in experiment_suite.get_experiments()[int(start_experiment):]:
ex += 1
positions = client.load_settings(
experiment.conditions).player_start_spots
self._recording.log_start(experiment.task)
pos = 0
poss = len(experiment.poses[start_pose:])
for pose in experiment.poses[start_pose:]:
pos += 1
for rep in range(experiment.repetitions):
start_index = pose[0]
end_index = pose[1]
if self._enable_WZ_avoidance_using_OGM:
self._ogm_planner.set_source_destination_from_GPS(positions[start_index], positions[end_index])
client.start_episode(start_index)
# Print information on
timenow = strftime("%Y-%m-%d %H:%M:%S", gmtime())
logging.info('\n======== Time: ' + timenow)
logging.info('\n======== Experiment: %i/%i - Pose: %i/%i - Repetition: %i/%i ...' %
(ex, exs, pos, poss, rep + 1, experiment.repetitions))
logging.info(' Start Position %d End Position %d ',
start_index, end_index)
self._recording.log_poses(start_index, end_index,
experiment.Conditions.WeatherId)
# Calculate the initial distance for this episode
initial_distance = \
sldist(
[positions[start_index].location.x, positions[start_index].location.y],
[positions[end_index].location.x, positions[end_index].location.y])
# Calculate experiment timeout
time_out = experiment_suite.calculate_time_out(
self._get_shortest_path(positions[start_index], positions[end_index]))
# running the agent
(result, reward_vec, control_vec, final_time, remaining_distance) = \
self._run_navigation_episode(
agent, client, time_out, positions[end_index],
str(experiment.Conditions.WeatherId) + '_'
+ str(experiment.task) + '_' + str(start_index)
+ '.' + str(end_index))
# Write the general status of the just ran episode
self._recording.write_summary_results(
experiment, pose, rep, initial_distance,
remaining_distance, final_time, time_out, result)
# Write the details of this episode.
self._recording.write_measurements_results(experiment, rep, pose, reward_vec,
control_vec)
if result > 0:
logging.info('+++++ Target achieved in %f seconds! +++++',
final_time)
else:
logging.info('----- Timeout! -----')
start_pose = 0
self._recording.log_end()
return metrics_object.compute(self._recording.path)
def get_path(self):
"""
Returns the path were the log was saved.
"""
return self._recording.path
def _get_directions(self, current_point, end_point):
"""
Class that should return the directions to reach a certain goal
"""
directions = self._planner.get_next_command(
(current_point.location.x,
current_point.location.y, 0.22),
(current_point.orientation.x,
current_point.orientation.y,
current_point.orientation.z),
(end_point.location.x, end_point.location.y, 0.22),
(end_point.orientation.x, end_point.orientation.y, end_point.orientation.z))
return directions
def _get_shortest_path(self, start_point, end_point):
"""
Calculates the shortest path between two points considering the road netowrk
"""
return self._planner.get_shortest_path_distance(
[
start_point.location.x, start_point.location.y, 0.22], [
start_point.orientation.x, start_point.orientation.y, 0.22], [
end_point.location.x, end_point.location.y, end_point.location.z], [
end_point.orientation.x, end_point.orientation.y, end_point.orientation.z])
def _run_navigation_episode(
self,
agent,
client,
time_out,
target,
episode_name):
"""
Run one episode of the benchmark (Pose) for a certain agent.
Args:
agent: the agent object
client: an object of the carla client to communicate
with the CARLA simulator
time_out: the time limit to complete this episode
target: the target position to reach
episode_name: The name for saving images of this episode
"""
# Send an initial command.
measurements, sensor_data = client.read_data()
client.send_control(VehicleControl())
initial_timestamp = measurements.game_timestamp
current_timestamp = initial_timestamp
# The vector containing all measurements produced on this episode
measurement_vec = []
# The vector containing all controls produced on this episode
control_vec = []
frame = 0
distance = 10000
success = False
# Reset planner
self._planner._previous_node = None
# time_out is in seconds
time_out = time_out * 1.3 # Increased timeout due to possible planner rerouting due to OGM occupancy due to something like Working Zones #TODO: is 1.3 scale enough?
while (current_timestamp - initial_timestamp) < ((time_out + 0) * 1000) and not success:
# Read data from server with the client
measurements, sensor_data = client.read_data()
# The directions to reach the goal are calculated (Planner get_next_command)
directions = self._get_directions(measurements.player_measurements.transform, target)
# Agent process the data. Modified to return speed
control, speed, lidar_pgm_image = agent.run_step(measurements, sensor_data, directions, target)
# OGM handling
# directions: {0: 'REACH_GOAL', 2: 'LANE_FOLLOW', 3: 'TURN_LEFT', 4: 'TURN_RIGHT', 5: 'GO_STRAIGHT'}
if self._enable_WZ_avoidance_using_OGM: # and measurements.frame_number >= 434
control = self._ogm_planner.step(sensor_data, lidar_pgm_image, measurements, control,
self.COMMANDS_ENUM[directions],
measurements.player_measurements.transform, target,
self._enable_steering_rect_using_OGM,
first_step=(frame==0),
planner_route_current_cell=self._planner._next_node-1,)
# comment this, it's used to generate images for episodes routes to create a new experiment suite
'''if frame == 0:
return 0, measurement_vec, control_vec, time_out, distance'''
# Send the control commands to the vehicle
client.send_control(control)
# save images if the flag is activated
self._recording.save_images(sensor_data, episode_name, frame)
current_x = measurements.player_measurements.transform.location.x
current_y = measurements.player_measurements.transform.location.y
current_timestamp = measurements.game_timestamp
# Get the distance travelled until now
distance = sldist([current_x, current_y],
[target.location.x, target.location.y])
# Write status of the run on verbose mode
# Modified: converted to a debug info instead
info = ''
# info += '- Route Planner:'
info += 'Planner: ' + self.COMMANDS_ENUM[directions]
# info = "Controller is Inputting:"
info += ' Steer = %f Throttle = %f Brake = %f, Speed = %f' % (control.steer, control.throttle, control.brake,
speed)
# info += '- Status:'
info += ' [dist=%f] c_x = %f, c_y = %f ---> t_x = %f, t_y = %f' % (float(distance), current_x, current_y,
target.location.x, target.location.y)
logging.debug(info)
# Check if reach the target
if distance < self._distance_for_success:
success = True
# Increment the vectors and append the measurements and controls.
frame += 1
measurement_vec.append(measurements.player_measurements)
control_vec.append(control)
if success:
return 1, measurement_vec, control_vec, float(
current_timestamp - initial_timestamp) / 1000.0, distance
return 0, measurement_vec, control_vec, time_out, distance
def run_driving_benchmark(agent,
experiment_suite,
city_name='Town01',
log_name='Test',
model_folder_name='-',
continue_experiment=False,
start_from_exp_pose=(1,1),
host='127.0.0.1',
port=2000,
enable_WZ_avoidance_using_OGM=False,
enable_steering_rect_using_OGM=False,
simulator_fps=15,
visualize_ogm_planner=False,
save_ogm_planner_figure=False,
start_visualize_or_save_from_frame=0,
normal_save_quality=50,
save_high_quality_frame_numbers=[],
visualize_save_directory=""
):
while True:
try:
with make_carla_client(host, port, timeout=999999) as client: # 999999999 in Linux, 999999 for Windows
# Hack to fix for the issue 310, we force a reset, so it does not get
# the positions on first server reset.
client.load_settings(CarlaSettings())
client.start_episode(0)
# We instantiate the driving benchmark, that is the engine used to
# benchmark an agent. The instantiation starts the log process, sets
benchmark = DrivingBenchmark(city_name=city_name,
name_to_save=log_name + '_' + type(experiment_suite).__name__ + '_' +
model_folder_name + '_' + city_name,
continue_experiment=continue_experiment,
start_from_exp_pose=start_from_exp_pose,
enable_WZ_avoidance_using_OGM=enable_WZ_avoidance_using_OGM,
enable_steering_rect_using_OGM=enable_steering_rect_using_OGM,
simulator_fps=simulator_fps,
visualize_ogm_planner=visualize_ogm_planner,
save_ogm_planner_figure=save_ogm_planner_figure,
start_visualize_or_save_from_frame=start_visualize_or_save_from_frame,
normal_save_quality=normal_save_quality,
save_high_quality_frame_numbers=save_high_quality_frame_numbers,
visualize_save_directory=visualize_save_directory)
# This function performs the benchmark. It returns a dictionary summarizing
# the entire execution.
benchmark_summary = benchmark.benchmark_agent(experiment_suite, agent, client)
print("")
print("")
print("----- Printing results for training weathers (Seen in Training) -----")
print("")
print("")
results_printer.print_summary(benchmark_summary, experiment_suite.train_weathers,
benchmark.get_path())
print("")
print("")
print("----- Printing results for test weathers (Unseen in Training) -----")
print("")
print("")
results_printer.print_summary(benchmark_summary, experiment_suite.test_weathers,
benchmark.get_path())
break
except TCPConnectionError as error:
logging.error(error)
time.sleep(1)