def __init__(self, racecar_name, racecar_info, race_type):
""" To capture the video of evaluation done during the training phase
Args:
racecar_info (dict): Information of the agent
"""
self.racecar_info = racecar_info
racecar_index = get_racecar_idx(racecar_name)
self.racecar_index = racecar_index if racecar_index else 0
# Store the font which we will use to write the phase with
self.training_phase_font = utils.get_font('Amazon_Ember_RgIt', 35)
# The track image as iconography
self.track_icongraphy_img = utils.get_track_iconography_image()
# Track image offset
self.track_loc_offset = XYPixelLoc.TRACK_IMG_WITHOUT_OFFSET_LOC.value
# Gradient overlay image
width, height = IconographicImageSize.FULL_IMAGE_SIZE.value
image = np.zeros(height * width * 4)
image.resize(height, width, 4)
self.gradient_img = self._plot_track_on_gradient(image)
self.gradient_alpha_rgb_mul, self.one_minus_gradient_alpha = utils.get_gradient_values(
self.gradient_img)
# Top camera information
top_camera_info = utils.get_top_camera_info()
self.top_view_graphics = TopViewGraphics(
top_camera_info.horizontal_fov, top_camera_info.padding_pct,
top_camera_info.image_width, top_camera_info.image_height,
racecar_info)
def test_get_racecar_idx(racecar_name, racecar_num):
"""This function checks the functionality of get_racecar_idx function
in markov/utils.py
Args:
racecar_name (String): The name of racecar
racecar_num: If single car race, returns None else returns the racecar number
"""
assert utils.get_racecar_idx(racecar_name) == racecar_num
def start_race(self):
"""
Start the race (evaluation) for the current racer.
"""
LOG.info(
"[virtual event manager] Starting race for racer %s", self._current_racer.racerAlias
)
# update the car on current model if does not use f1 or tron type of shell
if const.F1 not in self._body_shell_type.lower():
self._model_updater.update_model_color(
self._current_car_model_state.model_name, self._current_racer.carConfig.carColor
)
# send request
if self._is_save_mp4_enabled:
self._subscribe_to_save_mp4(
VirtualEventVideoEditSrvRequest(
display_name=self._current_racer.racerAlias,
racecar_color=self._current_racer.carConfig.carColor,
)
)
# Update CameraManager by adding cameras into the current namespace. By doing so
# a single follow car camera will follow the current active racecar.
self._camera_manager.add(
self._main_cameras[VIRTUAL_EVENT], self._current_car_model_state.model_name
)
self._camera_manager.add(self._sub_camera, self._current_car_model_state.model_name)
configure_environment_randomizer()
# strip index for park position
self._park_position_idx = get_racecar_idx(self._current_car_model_state.model_name)
# set the park position in track and do evaluation
# Before each evaluation episode (single lap for non-continuous race and complete race for
# continuous race), a new copy of park_positions needs to be loaded into track_data because
# a park position will be pop from park_positions when a racer car need to be parked.
# unpause the physics in current world
self._model_updater.unpause_physics()
LOG.info("[virtual event manager] Unpaused physics in current world.")
if (
self._prev_model_name is not None
and self._prev_model_name != self._current_car_model_state.model_name
):
# disable the links on the prev car
# we are doing it here because we don't want the car to float around
# after the link is disabled
prev_car_model_state = ModelState()
prev_car_model_state.model_name = self._prev_model_name
LOG.info("[virtual event manager] Unpaused model for current car.")
if self._is_continuous:
self._track_data.park_positions = [self._park_positions[self._park_position_idx]]
self._current_graph_manager.evaluate(EnvironmentSteps(1))
else:
for _ in range(self._number_of_trials):
self._track_data.park_positions = [self._park_positions[self._park_position_idx]]
self._current_graph_manager.evaluate(EnvironmentSteps(1))
def __init__(self, racecar_name, racecars_info, race_type):
""" This class is used for head to head racing where there are more than one agent
Args:
racecar_name (str): The agent name with 45degree camera view
racecars_info (dict): All the agents information
race_type (str): The type of race. This is used to know if its race type or evaluation
"""
self.racecar_name = racecar_name
self.racecars_info = racecars_info
racecar_index = get_racecar_idx(racecar_name)
self.racecar_index = racecar_index if racecar_index else 0
self.race_type = race_type
# Store the font which we will use to write the phase with
self.amazon_ember_regular_20px = utils.get_font(
'AmazonEmber-Regular', 20)
self.amazon_ember_regular_16px = utils.get_font(
'AmazonEmber-Regular', 16)
self.amazon_ember_heavy_30px = utils.get_font('AmazonEmber-Heavy', 30)
self.amazon_ember_light_18px = utils.get_font('AmazonEmber-Light', 18)
self.amazon_ember_light_20px = utils.get_font('AmazonEmber-Light', 20)
self.amazon_ember_light_italic_20px = utils.get_font(
'AmazonEmber-LightItalic', 20)
self.is_racing = rospy.get_param("VIDEO_JOB_TYPE", "") == "RACING"
self.is_league_leaderboard = rospy.get_param("LEADERBOARD_TYPE",
"") == "LEAGUE"
self.leaderboard_name = rospy.get_param("LEADERBOARD_NAME", "")
self._total_laps = int(rospy.get_param("NUMBER_OF_TRIALS", 0))
# The track image as iconography
self.track_icongraphy_img = utils.get_track_iconography_image()
# Track image offset
self.track_loc_offset = XYPixelLoc.TRACK_IMG_WITH_OFFSET_LOC.value if self.is_league_leaderboard \
else XYPixelLoc.TRACK_IMG_WITHOUT_OFFSET_LOC.value
gradient_img_path = TrackAssetsIconographicPngs.HEAD_TO_HEAD_OVERLAY_PNG_LEAGUE_LEADERBOARD.value \
if self.is_league_leaderboard else TrackAssetsIconographicPngs.HEAD_TO_HEAD_OVERLAY_PNG.value
self.gradient_img = self._plot_track_on_gradient(gradient_img_path)
self.gradient_alpha_rgb_mul, self.one_minus_gradient_alpha = utils.get_gradient_values(
self.gradient_img)
# Top camera information
top_camera_info = utils.get_top_camera_info()
self.top_view_graphics = TopViewGraphics(
top_camera_info.horizontal_fov, top_camera_info.padding_pct,
top_camera_info.image_width, top_camera_info.image_height,
racecars_info)
def __init__(self, racecar_name, racecar_info, race_type):
""" Initializing the required data for the head to bot, time-trail. This is used for single agent
Arguments:
racecars_info (list): list of dict having information of the agent
race_type (str): Since this class is reused for all the different race_type
"""
self.racecar_info = racecar_info
self.race_type = race_type
racecar_index = get_racecar_idx(racecar_name)
self.racecar_index = racecar_index if racecar_index else 0
# Store the font which we will use to write the phase with
self.amazon_ember_regular_20px = utils.get_font(
'AmazonEmber-Regular', 20)
self.amazon_ember_regular_16px = utils.get_font(
'AmazonEmber-Regular', 16)
self.amazon_ember_heavy_30px = utils.get_font('AmazonEmber-Heavy', 30)
self.amazon_ember_light_18px = utils.get_font('AmazonEmber-Light', 18)
self.amazon_ember_light_20px = utils.get_font('AmazonEmber-Light', 20)
self.amazon_ember_light_italic_20px = utils.get_font(
'AmazonEmber-LightItalic', 20)
self.is_racing = rospy.get_param("VIDEO_JOB_TYPE", "") == "RACING"
self.is_league_leaderboard = rospy.get_param("LEADERBOARD_TYPE",
"") == "LEAGUE"
self.leaderboard_name = rospy.get_param("LEADERBOARD_NAME", "")
self._total_laps = int(rospy.get_param("NUMBER_OF_TRIALS", 0))
# The track image as iconography
self.track_icongraphy_img = utils.get_track_iconography_image()
# Track image offset
self.track_loc_offset = XYPixelLoc.TRACK_IMG_WITH_OFFSET_LOC.value if self.is_league_leaderboard \
else XYPixelLoc.TRACK_IMG_WITHOUT_OFFSET_LOC.value
# Gradient overlay image
gradient_img_path = TrackAssetsIconographicPngs.OBSTACLE_OVERLAY_PNG_LEAGUE_LEADERBOARD.value \
if self.is_league_leaderboard else TrackAssetsIconographicPngs.OBSTACLE_OVERLAY_PNG.value
self.gradient_img = self._plot_track_on_gradient(gradient_img_path)
self.gradient_alpha_rgb_mul, self.one_minus_gradient_alpha = utils.get_gradient_values(
self.gradient_img)
# Top camera information
top_camera_info = utils.get_top_camera_info()
self.top_view_graphics = TopViewGraphics(
top_camera_info.horizontal_fov, top_camera_info.padding_pct,
top_camera_info.image_width, top_camera_info.image_height,
racecar_info)
def __init__(self, config_dict, run_phase_sink, metrics):
'''config_dict (dict): containing all the keys in ConfigParams
run_phase_sink (RunPhaseSubject): Sink to receive notification of a change in run phase
metrics (EvalMetrics/TrainingMetrics): Training or evaluation metrics
'''
# reset rules manager
self._metrics = metrics
self._is_continuous = config_dict[
const.ConfigParams.IS_CONTINUOUS.value]
self._reset_rules_manager = construct_reset_rules_manager(config_dict)
self._ctrl_status = dict()
self._ctrl_status[
AgentCtrlStatus.AGENT_PHASE.value] = AgentPhase.RUN.value
self._config_dict = config_dict
self._done_condition = config_dict.get(
const.ConfigParams.DONE_CONDITION.value, any)
self._number_of_resets = config_dict[
const.ConfigParams.NUMBER_OF_RESETS.value]
self._off_track_penalty = config_dict[
const.ConfigParams.OFF_TRACK_PENALTY.value]
self._collision_penalty = config_dict[
const.ConfigParams.COLLISION_PENALTY.value]
self._pause_duration = 0.0
self._reset_count = 0
self._curr_crashed_object_name = ''
# simapp_version speed scale
self._speed_scale_factor_ = get_speed_factor(
config_dict[const.ConfigParams.VERSION.value])
# Store the name of the agent used to set agents position on the track
self._agent_name_ = config_dict[const.ConfigParams.AGENT_NAME.value]
# Set start lane. This only support for two agents H2H race
self._agent_idx_ = get_racecar_idx(self._agent_name_)
# Get track data
self._track_data_ = TrackData.get_instance()
if self._agent_idx_ is not None:
self._start_lane_ = self._track_data_.inner_lane \
if self._agent_idx_ % 2 else self._track_data_.outer_lane
else:
self._start_lane_ = self._track_data_.center_line
# Store the name of the links in the agent, this should be const
self._agent_link_name_list_ = config_dict[
const.ConfigParams.LINK_NAME_LIST.value]
# Store the reward function
self._reward_ = config_dict[const.ConfigParams.REWARD.value]
# Create publishers for controlling the car
self._velocity_pub_dict_ = OrderedDict()
self._steering_pub_dict_ = OrderedDict()
for topic in config_dict[const.ConfigParams.VELOCITY_LIST.value]:
self._velocity_pub_dict_[topic] = rospy.Publisher(topic,
Float64,
queue_size=1)
for topic in config_dict[const.ConfigParams.STEERING_LIST.value]:
self._steering_pub_dict_[topic] = rospy.Publisher(topic,
Float64,
queue_size=1)
#Create default reward parameters
self._reward_params_ = const.RewardParam.make_default_param()
#Create the default metrics dictionary
self._step_metrics_ = StepMetrics.make_default_metric()
# Dictionary of bools indicating starting position behavior
self._start_pos_behavior_ = \
{'change_start' : config_dict[const.ConfigParams.CHANGE_START.value],
'alternate_dir' : config_dict[const.ConfigParams.ALT_DIR.value]}
# Dictionary to track the previous way points
self._prev_waypoints_ = {
'prev_point': Point(0, 0),
'prev_point_2': Point(0, 0)
}
# Normalized distance of new start line from the original start line of the track.
start_ndist = 0.0
# Normalized start position offset w.r.t to start_ndist, which is the start line of the track.
start_pos_offset = config_dict.get(
const.ConfigParams.START_POSITION.value, 0.0)
self._start_line_ndist_offset = start_pos_offset / self._track_data_.get_track_length(
)
# Dictionary containing some of the data for the agent
# - During the reset call, every value except start_ndist will get wiped out by self._clear_data
# (reset happens prior to every episodes begin)
# - If self._start_line_ndist_offset is not 0 (usually some minus value),
# then initial current_progress suppose to be non-zero (usually some minus value) as progress
# suppose to be based on start_ndist.
# - This will be correctly calculated by first call of utils.compute_current_prog function.
# As prev_progress will be initially 0.0 and physical position is not at start_ndist,
# utils.compute_current_prog will return negative progress if self._start_line_ndist_offset is negative value
# (meaning behind start line) and will return positive progress if self._start_line_ndist_offset is
# positive value (meaning ahead of start line).
self._data_dict_ = {
'max_progress': 0.0,
'current_progress': 0.0,
'prev_progress': 0.0,
'steps': 0.0,
'start_ndist': start_ndist,
'prev_car_pose': 0.0
}
#Load the action space
self._action_space_, self._json_actions_ = \
load_action_space(config_dict[const.ConfigParams.ACTION_SPACE_PATH.value])
#! TODO evaluate if this is the best way to reset the car
# Adding the reward data publisher
self.reward_data_pub = RewardDataPublisher(self._agent_name_,
self._json_actions_)
# subscriber to time to update camera position
self.camera_manager = CameraManager.get_instance()
# True if the agent is in the training phase
self._is_training_ = False
# Register to the phase sink
run_phase_sink.register(self)
# Make sure velocity and angle are set to 0
send_action(self._velocity_pub_dict_, self._steering_pub_dict_, 0.0,
0.0)
# start_dist should be hypothetical start line (start_ndist) plus
# start position offset (start_line_ndist_offset).
start_pose = self._start_lane_.interpolate_pose(
(self._data_dict_['start_ndist'] + self._start_line_ndist_offset) *
self._track_data_.get_track_length(),
finite_difference=FiniteDifference.FORWARD_DIFFERENCE)
self._track_data_.initialize_object(self._agent_name_, start_pose, \
ObstacleDimensions.BOT_CAR_DIMENSION)
self.make_link_points = lambda link_state: Point(
link_state.pose.position.x, link_state.pose.position.y)
self.reference_frames = ['' for _ in self._agent_link_name_list_]
self._pause_car_model_pose = None
self._park_position = DEFAULT_PARK_POSITION
AbstractTracker.__init__(self, TrackerPriority.HIGH)
def __init__(self, racecar_name, racecars_info, race_type):
""" This class is used for head to head racing where there are more than one agent
Args:
racecar_name (str): The agent name with 45degree camera view
racecars_info (dict): All the agents information
race_type (str): The type of race. This is used to know if its race type or evaluation
"""
self.racecar_name = racecar_name
self.racecars_info = racecars_info
racecar_index = get_racecar_idx(racecar_name)
self.racecar_index = racecar_index if racecar_index else 0
self.race_type = race_type
# Store the font which we will use to write the phase with
self.formula1_display_regular_12px = utils.get_font(
'Formula1-Display-Regular', 12)
self.formula1_display_regular_14px = utils.get_font(
'Formula1-Display-Regular', 14)
self.formula1_display_regular_16px = utils.get_font(
'Formula1-Display-Regular', 16)
self.formula1_display_wide_12px = utils.get_font(
'Formula1-Display-Wide', 12)
self.formula1_display_bold_16px = utils.get_font(
'Formula1-Display-Bold', 16)
self.total_laps = int(rospy.get_param("NUMBER_OF_TRIALS", 0))
self.is_league_leaderboard = rospy.get_param("LEADERBOARD_TYPE",
"") == "LEAGUE"
self.leaderboard_name = rospy.get_param("LEADERBOARD_NAME", "")
# The track image as iconography
self.track_icongraphy_img = utils.get_track_iconography_image()
# Track image offset
self.track_loc_offset = XYPixelLoc.TRACK_IMG_WITHOUT_OFFSET_LOC.value
# Default image of top view
gradient_default_img_path = TrackAssetsIconographicPngs.F1_OVERLAY_DEFAULT_PNG.value
self.gradient_default_img = self._plot_track_on_gradient(
gradient_default_img_path)
self.gradient_default_alpha_rgb_mul, self.one_minus_gradient_default_alpha = utils.get_gradient_values(
self.gradient_default_img)
# Midway track gradient
gradient_midway_img_path = TrackAssetsIconographicPngs.F1_OVERLAY_MIDWAY_PNG.value
self.gradient_midway_img = self._plot_track_on_gradient(
gradient_midway_img_path)
self.gradient_midway_alpha_rgb_mul, self.one_minus_gradient_midway_alpha = utils.get_gradient_values(
self.gradient_midway_img)
# Finisher track gradient
gradient_finisher_img_path = TrackAssetsIconographicPngs.F1_OVERLAY_FINISHERS_PNG.value
self.gradient_finisher_img = self._plot_track_on_gradient(
gradient_finisher_img_path)
self.gradient_finisher_alpha_rgb_mul, self.one_minus_gradient_finisher_alpha = utils.get_gradient_values(
self.gradient_finisher_img)
# Top camera gradient
num_racers = len(self.racecars_info)
if num_racers <= 8:
# TODO: Add one box image and use 1 box image if number of racers are <= 4.
gradient_top_camera_img_path = TrackAssetsIconographicPngs.F1_OVERLAY_TOPVIEW_2BOX_PNG.value
elif num_racers <= 12:
gradient_top_camera_img_path = TrackAssetsIconographicPngs.F1_OVERLAY_TOPVIEW_3BOX_PNG.value
else:
raise Exception(
"More than 12 racers are not supported for Grand Prix")
gradient_top_camera_img = utils.get_image(
gradient_top_camera_img_path,
IconographicImageSize.FULL_IMAGE_SIZE.value)
gradient_top_camera_img = cv2.cvtColor(gradient_top_camera_img,
cv2.COLOR_RGBA2BGRA)
self.gradient_top_camera_alpha_rgb_mul, self.one_minus_gradient_top_camera_alpha = utils.get_gradient_values(
gradient_top_camera_img)
# Top camera information
top_camera_info = utils.get_top_camera_info()
self.edited_topview_pub = rospy.Publisher('/deepracer/topview_stream',
ROSImg,
queue_size=1)
self.top_view_graphics = TopViewGraphics(
top_camera_info.horizontal_fov, top_camera_info.padding_pct,
top_camera_info.image_width, top_camera_info.image_height,
racecars_info, race_type)
self.hex_car_colors = [
val['racecar_color'].split('_')[-1] for val in racecars_info
]
self._racer_color_code_rect_img = list()
self._racer_color_code_slash_img = list()
for car_color in self.hex_car_colors:
# Rectangular png of racers
racer_color_code_rect = "{}_{}".format(
TrackAssetsIconographicPngs.F1_AGENTS_RECT_DISPLAY_ICON_PNG.
value, car_color)
self._racer_color_code_rect_img.append(
utils.get_image(
racer_color_code_rect, IconographicImageSize.
F1_RACER_RECT_DISPLAY_ICON_SIZE.value))
# Slash png of racers
racer_color_code_slash = "{}_{}".format(
TrackAssetsIconographicPngs.F1_AGENTS_SLASH_DISPLAY_ICON_PNG.
value, car_color)
racer_color_code_slash_img = utils.get_image(
racer_color_code_slash,
IconographicImageSize.F1_RACER_SLASH_DISPLAY_ICON_SIZE.value)
self._racer_color_code_slash_img.append(
cv2.cvtColor(racer_color_code_slash_img, cv2.COLOR_RGBA2BGRA))
def __init__(self, config_dict, run_phase_sink, metrics):
'''agent_name - String containing the name of the agent
config_dict - Dictionary containing all the keys in ConfigParams
run_phase_sink - Sink to recieve notification of a change in run phase
'''
# reset rules manager
self._metrics = metrics
self._is_continuous = config_dict[
const.ConfigParams.IS_CONTINUOUS.value]
self._is_reset = False
self._reset_rules_manager = construct_reset_rules_manager(config_dict)
self._ctrl_status = dict()
self._ctrl_status[
AgentCtrlStatus.AGENT_PHASE.value] = AgentPhase.RUN.value
self._config_dict = config_dict
self._done_condition = config_dict.get(
const.ConfigParams.DONE_CONDITION.value, any)
self._number_of_resets = config_dict[
const.ConfigParams.NUMBER_OF_RESETS.value]
self._off_track_penalty = config_dict[
const.ConfigParams.OFF_TRACK_PENALTY.value]
self._collision_penalty = config_dict[
const.ConfigParams.COLLISION_PENALTY.value]
self._pause_duration = 0.0
self._reset_count = 0
self._curr_crashed_object_name = None
self._last_crashed_object_name = None
# simapp_version speed scale
self._speed_scale_factor_ = get_speed_factor(
config_dict[const.ConfigParams.VERSION.value])
# Store the name of the agent used to set agents position on the track
self._agent_name_ = config_dict[const.ConfigParams.AGENT_NAME.value]
# Set start lane. This only support for two agents H2H race
self._agent_idx_ = get_racecar_idx(self._agent_name_)
# Get track data
self._track_data_ = TrackData.get_instance()
if self._agent_idx_ is not None:
self._start_lane_ = self._track_data_.inner_lane \
if self._agent_idx_ % 2 else self._track_data_.outer_lane
else:
self._start_lane_ = self._track_data_.center_line
# Store the name of the links in the agent, this should be const
self._agent_link_name_list_ = config_dict[
const.ConfigParams.LINK_NAME_LIST.value]
# Store the reward function
self._reward_ = config_dict[const.ConfigParams.REWARD.value]
# Create publishers for controlling the car
self._velocity_pub_dict_ = OrderedDict()
self._steering_pub_dict_ = OrderedDict()
for topic in config_dict[const.ConfigParams.VELOCITY_LIST.value]:
self._velocity_pub_dict_[topic] = rospy.Publisher(topic,
Float64,
queue_size=1)
for topic in config_dict[const.ConfigParams.STEERING_LIST.value]:
self._steering_pub_dict_[topic] = rospy.Publisher(topic,
Float64,
queue_size=1)
#Create default reward parameters
self._reward_params_ = const.RewardParam.make_default_param()
#Creat the default metrics dictionary
self._step_metrics_ = StepMetrics.make_default_metric()
# Dictionary of bools indicating starting position behavior
self._start_pos_behavior_ = \
{'change_start' : config_dict[const.ConfigParams.CHANGE_START.value],
'alternate_dir' : config_dict[const.ConfigParams.ALT_DIR.value]}
# Dictionary to track the previous way points
self._prev_waypoints_ = {
'prev_point': Point(0, 0),
'prev_point_2': Point(0, 0)
}
# Normalize start position in meter to normalized start_ndist in percentage
start_ndist = config_dict.get(const.ConfigParams.START_POSITION.value, 0.0) / \
self._track_data_.get_track_length()
# Dictionary containing some of the data for the agent
self._data_dict_ = {
'max_progress': 0.0,
'current_progress': 0.0,
'prev_progress': 0.0,
'steps': 0.0,
'start_ndist': start_ndist
}
#Load the action space
self._action_space_, self._json_actions_ = \
load_action_space(config_dict[const.ConfigParams.ACTION_SPACE_PATH.value])
#! TODO evaluate if this is the best way to reset the car
# Adding the reward data publisher
self.reward_data_pub = RewardDataPublisher(self._agent_name_,
self._json_actions_)
# subscriber to time to update camera position
self.camera_manager = CameraManager.get_instance()
# True if the agent is in the training phase
self._is_training_ = False
# Register to the phase sink
run_phase_sink.register(self)
# Make sure velicty and angle are set to 0
send_action(self._velocity_pub_dict_, self._steering_pub_dict_, 0.0,
0.0)
start_pose = self._track_data_.center_line.interpolate_pose(
self._data_dict_['start_ndist'] *
self._track_data_.get_track_length(),
finite_difference=FiniteDifference.FORWARD_DIFFERENCE)
self._track_data_.initialize_object(self._agent_name_, start_pose, \
ObstacleDimensions.BOT_CAR_DIMENSION)
self.make_link_points = lambda link_state: Point(
link_state.pose.position.x, link_state.pose.position.y)
self.reference_frames = ['' for _ in self._agent_link_name_list_]
self._pause_car_model_pose = None
self._park_position = DEFAULT_PARK_POSITION
AbstractTracker.__init__(self, TrackerPriority.HIGH)
def __init__(self, racecar_name, racecars_info):
#
# We have no guarantees as to when gazebo will load the model, therefore we need
# to wait until the model is loaded and markov packages has spawned all the models
#
rospy.wait_for_service('/robomaker_markov_package_ready')
self._agents_metrics.append(DoubleBuffer(clear_data_on_get=False))
self.racecar_name = racecar_name
self.racecars_info = racecars_info
racecar_index = get_racecar_idx(racecar_name)
self.racecar_index = racecar_index if racecar_index else 0
self.agent_name = utils.racecar_name_to_agent_name(racecars_info, racecar_name)
# init cv bridge
self.bridge = CvBridge()
# This determines what kind of image editing should be done based on the race type
self.is_training = rospy.get_param("JOB_TYPE") == 'TRAINING'
self.job_type_image_edit = self._get_image_editing_job_type()
if self.is_training:
# String indicating the current phase
self._current_training_phase = DoubleBuffer(clear_data_on_get=False)
self._current_training_phase.put('Initializing')
# Subscriber to get the phase of the training (Ideal, training, evaluation)
rospy.Subscriber('/agent/training_phase', String, self._training_phase_cb)
# Fetching main camera frames, start consumer thread and producer thread for main camera frame
main_camera_topic = "/{}/{}/zed/rgb/image_rect_color".format(self.racecar_name, "main_camera")
# All KVS related initialization
self._kvs_frame_buffer = DoubleBuffer(clear_data_on_get=False)
# Publish to KVS stream topic
self.kvs_pub = rospy.Publisher('/{}/deepracer/kvs_stream'.format(self.racecar_name), ROSImg, queue_size=1)
# All Mp4 related initialization
self._mp4_queue.append(Queue())
self._mp4_edited_frame_queue.append(Queue(MAX_FRAMES_IN_QUEUE))
self._mp4_condition_lock.append(Condition())
# Initialize save mp4 ROS service for the markov package to signal when to
# start and stop collecting video frames
camera_info = utils.get_cameratype_params(self.racecar_name, self.agent_name)
self.save_to_mp4_obj = SaveToMp4(camera_infos=[camera_info[CameraTypeParams.CAMERA_PIP_PARAMS],
camera_info[CameraTypeParams.CAMERA_45DEGREE_PARAMS],
camera_info[CameraTypeParams.CAMERA_TOPVIEW_PARAMS]],
fourcc=Mp4Parameter.FOURCC.value,
fps=Mp4Parameter.FPS.value,
frame_size=Mp4Parameter.FRAME_SIZE.value)
rospy.Service('/{}/save_mp4/subscribe_to_save_mp4'.format(self.racecar_name),
Empty, self.subscribe_to_save_mp4)
rospy.Service('/{}/save_mp4/unsubscribe_from_save_mp4'.format(self.racecar_name),
Empty, self.unsubscribe_to_save_mp4)
# Publish to save mp4 topic
self.mp4_main_camera_pub = rospy.Publisher('/{}/deepracer/main_camera_stream'.format(self.racecar_name), ROSImg,
queue_size=1)
# ROS service to get video metrics
rospy.wait_for_service("/{}/{}".format(self.agent_name, "mp4_video_metrics"))
self.mp4_video_metrics_srv = ServiceProxyWrapper("/{}/{}".format(self.agent_name, "mp4_video_metrics"),
VideoMetricsSrv)
self.is_save_mp4_enabled = False
rospy.Subscriber(main_camera_topic, ROSImg, self._producer_frame_thread)
Thread(target=self._consumer_mp4_frame_thread).start()
Thread(target=self._kvs_publisher).start()
Thread(target=self._mp4_publisher).start()
def __init__(self, racecar_name, racecar_info, race_type):
""" Initializing the required data for the head to bot, time-trail. This is used for single agent
Arguments:
racecar_name (str): racecar name in string
racecars_info (list): list of dict having information of the agent
race_type (str): Since this class is reused for all the different race_type
"""
# race duration in milliseconds
self._world_name = rospy.get_param("WORLD_NAME")
self.num_sectors = int(rospy.get_param("NUM_SECTORS", "3"))
self.race_duration = int(
rospy.get_param("RACE_DURATION", DEFAULT_RACE_DURATION)) * 1000
self.racecar_info = racecar_info
self.race_type = race_type
racecar_index = get_racecar_idx(racecar_name)
self.racecar_index = racecar_index if racecar_index else 0
# Store the font which we will use to write the phase with
self.amazon_ember_regular_28px = utils.get_font(
'AmazonEmber-Regular', 28)
self.amazon_ember_regular_14px = utils.get_font(
'AmazonEmber-Regular', 14)
# The track image as iconography
self.track_icongraphy_img = utils.get_track_iconography_image()
# Track image offset
self.track_loc_offset = VirtualEventXYPixelLoc.TRACK_IMG_VIRTUAL_EVENT_LOC.value
self._track_x_min = None
self._track_x_max = None
self._track_y_min = None
self._track_y_max = None
# Gradient overlay image with track and virtual event mock
gradient_img_path = VirtualEventIconographicPngs.OVERLAY_PNG.value
self.gradient_img = self._plot_track_on_gradient(gradient_img_path)
# Time remaining text
loc_x, loc_y = VirtualEventXYPixelLoc.TIME_REMAINING_TEXT.value
self.gradient_img = utils.write_text_on_image(
image=self.gradient_img,
text="TIME REMAINING",
loc=(loc_x, loc_y),
font=self.amazon_ember_regular_14px,
font_color=RaceCarColorToRGB.White.value,
font_shadow_color=RaceCarColorToRGB.Black.value)
# Speed text
loc_x, loc_y = VirtualEventXYPixelLoc.SPEED_TEXT.value
self.gradient_img = utils.write_text_on_image(
image=self.gradient_img,
text="m/s",
loc=(loc_x, loc_y),
font=self.amazon_ember_regular_14px,
font_color=RaceCarColorToRGB.White.value,
font_shadow_color=RaceCarColorToRGB.Black.value)
# Reset text
loc_x, loc_y = VirtualEventXYPixelLoc.RESET_TEXT.value
self.gradient_img = utils.write_text_on_image(
image=self.gradient_img,
text="RESET",
loc=(loc_x, loc_y),
font=self.amazon_ember_regular_14px,
font_color=RaceCarColorToRGB.White.value,
font_shadow_color=RaceCarColorToRGB.Black.value)
# current lap time text
loc_x, loc_y = VirtualEventXYPixelLoc.CURRENT_LAP_TIME_TEXT.value
self.gradient_img = utils.write_text_on_image(
image=self.gradient_img,
text="CURRENT LAP TIME",
loc=(loc_x, loc_y),
font=self.amazon_ember_regular_14px,
font_color=RaceCarColorToRGB.White.value,
font_shadow_color=RaceCarColorToRGB.Black.value)
# best lap time text
loc_x, loc_y = VirtualEventXYPixelLoc.BEST_LAP_TIME_TEXT.value
self.gradient_img = utils.write_text_on_image(
image=self.gradient_img,
text="BEST LAP TIME",
loc=(loc_x, loc_y),
font=self.amazon_ember_regular_14px,
font_color=RaceCarColorToRGB.White.value,
font_shadow_color=RaceCarColorToRGB.Black.value)
# apply graident
self.gradient_alpha_rgb_mul, self.one_minus_gradient_alpha = utils.get_gradient_values(
self.gradient_img)
# Top camera information
top_camera_info = utils.get_top_camera_info()
self.top_view_graphics = TopViewGraphics(
top_camera_info.horizontal_fov,
top_camera_info.padding_pct,
top_camera_info.image_width,
top_camera_info.image_height,
racecar_info,
is_virtual_event=True)
# virtual event image editting state machine
self._image_edit_fsm = FSM(initial_state=VirtualEventWaitState())
# if best sector time download from s3 failed. Then, initialize best sector time as None
# and not display sector color
self._sector_times = {}
# declare sector images
self._sectors_img_dict = {}
for idx in range(self.num_sectors):
sector = SECTOR_X_FORMAT.format(idx + 1)
sector_color_img_dict = utils.init_sector_img_dict(
world_name=self._world_name, sector=sector)
self._sectors_img_dict[sector] = sector_color_img_dict
# use the s3 bucket and prefix for yaml file stored as environment variable because
# here is SimApp use only. For virtual event there is no s3 bucket and prefix past
# through yaml file. All are past through sqs. For simplicity, reuse the yaml s3 bucket
# and prefix environment variable.
self._virtual_event_best_sector_time = VirtualEventBestSectorTime(
bucket=os.environ.get("YAML_S3_BUCKET", ''),
s3_key=get_s3_key(os.environ.get("YAML_S3_PREFIX", ''),
SECTOR_TIME_S3_POSTFIX),
region_name=os.environ.get("APP_REGION", "us-east-1"),
local_path=SECTOR_TIME_LOCAL_PATH)
self._sector_times.update(
self._virtual_event_best_sector_time.get_sector_time(
num_sectors=self.num_sectors))
# declare default best personal and current persoanl time to inf
for idx in range(self.num_sectors):
sector = SECTOR_X_FORMAT.format(idx + 1)
self._sector_times[SECTOR_TIME_FORMAT_DICT[
TrackSectorTime.BEST_PERSONAL].format(sector)] = float("inf")
self._sector_times[SECTOR_TIME_FORMAT_DICT[
TrackSectorTime.CURRENT_PERSONAL].format(sector)] = float(
"inf")
self._curr_lap_time = 0
self._last_eval_time = 0
self._curr_progress = 0
self._last_progress = 0
self._current_lap = 1
# Initializing the fader behaviour to pre-compute the gradient values
final_fading_image = utils.get_image(
VirtualEventIconographicPngs.FINAL_FADING_IMAGE_50ALPHA.value,
IconographicImageSize.FULL_IMAGE_SIZE.value)
final_fading_image = cv2.cvtColor(final_fading_image,
cv2.COLOR_RGBA2BGRA)
self._fader_obj = Fader(
final_fading_image,
fading_min_percent=VirtualEventFader.FADING_MIN_PERCENT.value,
fading_max_percent=VirtualEventFader.FADING_MAX_PERCENT.value,
num_frames=VirtualEventFader.NUM_FRAMES.value)
def __init__(self, racecar_name, racecars_info, is_publish_to_kvs_stream):
#
# We have no guarantees as to when gazebo will load the model, therefore we need
# to wait until the model is loaded and markov packages has spawned all the models
#
rospy.wait_for_service('/robomaker_markov_package_ready')
self._agents_metrics.append(DoubleBuffer(clear_data_on_get=False))
self.racecar_name = racecar_name
self.racecars_info = racecars_info
racecar_index = get_racecar_idx(racecar_name)
self.racecar_index = racecar_index if racecar_index else 0
self.agent_name = utils.racecar_name_to_agent_name(
racecars_info, racecar_name)
self._is_publish_to_kvs_stream = is_publish_to_kvs_stream
# init cv bridge
self.bridge = CvBridge()
# This determines what kind of image editing should be done based on the race type
self.is_training = rospy.get_param("JOB_TYPE") == 'TRAINING'
self.race_type = rospy.get_param("RACE_TYPE",
RaceType.TIME_TRIAL.value)
self.is_f1_race_type = self.race_type == RaceType.F1.value
#
# Two job types are required because in the F1 editing we have static variables
# to compute the gap and ranking. With Mp4 stacking frames, these values would be already updated by KVS.
# If same class is used then during the finish phase you see all the racers information at once
# and not updated real time when racers finish the lap.
# %TODO seperate out the kvs and Mp4 functionality
#
self.job_type_image_edit_mp4 = self._get_image_editing_job_type()
if self.is_training:
# String indicating the current phase
self._current_training_phase = DoubleBuffer(
clear_data_on_get=False)
self._current_training_phase.put('Initializing')
# Subscriber to get the phase of the training (Ideal, training, evaluation)
rospy.Subscriber('/agent/training_phase', String,
self._training_phase_cb)
# Fetching main camera frames, start consumer thread and producer thread for main camera frame
main_camera_topic = "/{}/{}/zed/rgb/image_rect_color".format(
self.racecar_name, "main_camera")
# All Mp4 related initialization
self._mp4_queue.append(Queue.Queue())
# Initialize save mp4 ROS service for the markov package to signal when to
# start and stop collecting video frames
camera_info = utils.get_cameratype_params(self.racecar_name,
self.agent_name,
self.is_f1_race_type)
self.save_to_mp4_obj = SaveToMp4(
camera_infos=[
camera_info[CameraTypeParams.CAMERA_PIP_PARAMS],
camera_info[CameraTypeParams.CAMERA_45DEGREE_PARAMS],
camera_info[CameraTypeParams.CAMERA_TOPVIEW_PARAMS]
],
fourcc=Mp4Parameter.FOURCC.value,
fps=Mp4Parameter.FPS.value,
frame_size=Mp4Parameter.FRAME_SIZE.value)
rospy.Service(
'/{}/save_mp4/subscribe_to_save_mp4'.format(self.racecar_name),
Empty, self.subscribe_to_save_mp4)
rospy.Service(
'/{}/save_mp4/unsubscribe_from_save_mp4'.format(self.racecar_name),
Empty, self.unsubscribe_to_save_mp4)
# Publish to save mp4 topic
self.mp4_main_camera_pub = rospy.Publisher(
'/{}/deepracer/main_camera_stream'.format(self.racecar_name),
ROSImg,
queue_size=1)
# ROS service to get video metrics
rospy.wait_for_service("/{}/{}".format(self.agent_name,
"mp4_video_metrics"))
self.mp4_video_metrics_srv = ServiceProxyWrapper(
"/{}/{}".format(self.agent_name, "mp4_video_metrics"),
VideoMetricsSrv)
self.is_save_mp4_enabled = False
# Only F1 race requires top camera frames edited
self.top_camera_mp4_pub = None
if self.is_f1_race_type and self.racecar_index == 0:
self._top_camera_frame_buffer = DoubleBuffer(
clear_data_on_get=False)
top_camera_topic = "/sub_camera/zed/rgb/image_rect_color"
rospy.Subscriber(top_camera_topic, ROSImg, self._top_camera_cb)
self.top_camera_mp4_pub = rospy.Publisher(
'/{}/topcamera/deepracer/mp4_stream'.format(racecar_name),
ROSImg,
queue_size=1)
self._main_camera_frame_buffer = DoubleBuffer(clear_data_on_get=False)
rospy.Subscriber(main_camera_topic, ROSImg,
self._producer_frame_thread)
Thread(target=self._consumer_mp4_frame_thread).start()
# Leaderboard jobs do not require KVS streams
if self._is_publish_to_kvs_stream:
self.job_type_image_edit_kvs = self._get_image_editing_job_type()
# Publish to KVS stream topic
self.kvs_pub = rospy.Publisher('/{}/deepracer/kvs_stream'.format(
self.racecar_name),
ROSImg,
queue_size=1)
Thread(target=self._kvs_publisher).start()