Example #1
0
def launch(shutdown_pipe, package_name, launch_file_name, launch_arguments,
           debug):
    """Launch a ROS system."""
    event_loop = asyncio.new_event_loop()
    asyncio.set_event_loop(event_loop)
    # based on ros2launch/command/launch.py:main
    if package_name is None:
        single_file = True
    else:
        single_file = False
        get_package_prefix(package_name)

    path = None
    launch_arguments = []
    if single_file:
        if os.path.exists(package_name):
            path = package_name
        else:
            raise ValueError(package_name)
        if launch_file_name is not None:
            launch_arguments.append(launch_file_name)
    else:
        try:
            path = get_share_file_path_from_package(package_name=package_name,
                                                    file_name=launch_file_name)
        except PackageNotFoundError as exc:
            raise RuntimeError("Package '{}' not found: {}".format(
                package_name, exc))
        except (FileNotFoundError, MultipleLaunchFilesError) as exc:
            raise RuntimeError(str(exc))
    launch_arguments.extend(launch_arguments)
    launch_service = LaunchService(argv=launch_arguments, debug=debug)
    launch_description = LaunchDescription([
        IncludeLaunchDescription(
            AnyLaunchDescriptionSource(path),
            launch_arguments={},
        ),
    ])
    launch_service.include_launch_description(launch_description)
    finished = False

    def shutdown():
        while not finished and not shutdown_pipe.poll(1):
            pass
        launch_service.shutdown()

    t = threading.Thread(target=shutdown)
    t.start()
    launch_service.run(shutdown_when_idle=True)
    finished = True
    t.join()
    event_loop.close()
    def __init__(self):
        super().__init__('bike_alarm')
        self.publisher_ = self.create_publisher(Marker, TOPIC_NAME_MARKERS, 10)
        self.subscriber_imu = self.create_subscription(Imu,
                                                       TOPIC_NAME_LUOS_IMU,
                                                       self._cb_imu_received,
                                                       10)
        self.subscriber_button = self.create_subscription(
            BoolChange, TOPIC_NAME_LUOS_STATE, self._cb_state_received, 10)
        self.timer_bike = self.create_timer(0.1, self._cb_timer_bike)
        self.bike_color = BikeColor()
        self.state = "idle"  # The bike current state : ["idle", "ride", "alarm"]

        # Here is the bike to be published in RViz
        self.bike = Marker()
        self.bike.type = Marker.MESH_RESOURCE
        self.bike.header.frame_id = "/world"
        self.bike.mesh_resource = "file://" + join(
            get_package_prefix('luos_bike_alarm_example'),
            RESOURCE_INDEX_SUBFOLDER, "packages", 'bike.stl')
        self.bike.scale.x = 1e-3
        self.bike.scale.y = 1e-3
        self.bike.scale.z = 1e-3
        self.bike.color.a = 1.
        self.bike.pose.position.z = 3.
        self.bike.pose.orientation.w = 1.

        self.publisher_color = self.create_publisher(ColorRGBA,
                                                     TOPIC_NAME_LUOS_COLOR, 10)
        self.get_logger().info("This is the Luos bike sharing example. \
Shake the IMU {} or press the State button {}".format(TOPIC_NAME_LUOS_IMU,
                                                      TOPIC_NAME_LUOS_STATE))
def generate_launch_description():
    urdf = os.path.join(get_package_share_directory('mara_description'),
                        'urdf', 'mara_robot_camera_top.urdf')
    mara = get_package_share_directory('mara_gazebo_plugins')
    install_dir = get_package_prefix('mara_gazebo_plugins')
    print("plugins", install_dir)
    print("mara", mara)

    if 'GAZEBO_MODEL_PATH' in os.environ:
        os.environ['GAZEBO_MODEL_PATH'] = os.environ[
            'GAZEBO_MODEL_PATH'] + ':' + install_dir + 'share'
    else:
        os.environ['GAZEBO_MODEL_PATH'] = install_dir + "/share"

    if 'GAZEBO_PLUGIN_PATH' in os.environ:
        os.environ['GAZEBO_PLUGIN_PATH'] = os.environ[
            'GAZEBO_PLUGIN_PATH'] + ':' + install_dir + '/lib'
    else:
        os.environ['GAZEBO_PLUGIN_PATH'] = install_dir + '/lib'

    try:
        envs = {}
        for key in os.environ.__dict__["_data"]:
            key = key.decode("utf-8")
            if (key.isupper()):
                envs[key] = os.environ[key]
    except Exception as e:
        print("Error with Envs: " + str(e))
        return None

    ld = LaunchDescription([
        ExecuteProcess(
            cmd=['gazebo', '--verbose', '-s', 'libgazebo_ros_factory.so'],
            output='screen',
            env=envs),
        Node(package='robot_state_publisher',
             node_executable='robot_state_publisher',
             output='screen',
             arguments=[urdf]),
        Node(package='mara_utils_scripts',
             node_executable='spawn_entity.py',
             output='screen'),
        Node(package='hros_cognition_mara_components',
             node_executable='hros_cognition_mara_components',
             output='screen',
             arguments=[
                 "-motors", install_dir +
                 "/share/hros_cognition_mara_components/link_order.yaml"
             ]),
        Node(package='individual_trajectories_bridge',
             node_executable='individual_trajectories_bridge',
             output='screen',
             arguments=[
                 "-motors", install_dir +
                 "/share/individual_trajectories_bridge/motors.yaml"
             ])
    ])
    return ld
Example #4
0
def launchReal():
    os.environ["ROS_DOMAIN_ID"] = str(22)
    os.environ["RMW_IMPLEMENTATION"] = "rmw_opensplice_cpp"
    installDir = get_package_prefix('mara_gazebo_plugins')
    launchDesc = LaunchDescription([
        Node(package='hros_cognition_mara_components',
             node_executable='hros_cognition_mara_components',
             arguments=["-motors", installDir \
             + "/share/hros_cognition_mara_components/link_order_real.yaml"], output='screen')
    ])
    return launchDesc
def generate_launch_description():
    use_sim_time = launch.substitutions.LaunchConfiguration('use_sim_time',
                                                            default='false')
    params_file = launch.substitutions.LaunchConfiguration(
        'params',
        default=[
            launch.substitutions.ThisLaunchFileDir(), '/nav2_params.yaml'
        ])

    bt_navigator_install_path = get_package_prefix('nav2_bt_navigator')
    bt_navigator_xml = os.path.join(
        bt_navigator_install_path, 'behavior_trees',
        'navigate_w_recovery_retry.xml'
    )  # TODO(mkhansen): change to an input parameter

    return LaunchDescription([
        launch.actions.DeclareLaunchArgument(
            'use_sim_time',
            default_value='false',
            description='Use simulation (Gazebo) clock if true'),
        launch_ros.actions.Node(package='nav2_world_model',
                                node_executable='world_model',
                                output='screen',
                                parameters=[params_file]),
        launch_ros.actions.Node(package='dwb_controller',
                                node_executable='dwb_controller',
                                output='screen',
                                parameters=[params_file]),
        launch_ros.actions.Node(package='nav2_navfn_planner',
                                node_executable='navfn_planner',
                                node_name='navfn_planner',
                                output='screen',
                                parameters=[{
                                    'use_sim_time': use_sim_time
                                }]),
        launch_ros.actions.Node(package='nav2_recoveries',
                                node_executable='recoveries_node',
                                node_name='recoveries',
                                output='screen',
                                parameters=[{
                                    'use_sim_time': use_sim_time
                                }]),
        launch_ros.actions.Node(package='nav2_bt_navigator',
                                node_executable='bt_navigator',
                                node_name='bt_navigator',
                                output='screen',
                                parameters=[{
                                    'use_sim_time': use_sim_time
                                }, {
                                    'bt_xml_filename': bt_navigator_xml
                                }])
    ])
def main(argv=sys.argv[1:]):
    ld = generate_launch_description()

    test1_action = ExecuteProcess(
        cmd=[get_package_prefix('robot_localization') + '/lib/robot_localization/test_filter_base_diagnostics_timestamps'],
        output='screen',
    )

    lts = LaunchTestService()
    lts.add_test_action(ld, test1_action)
    ls = LaunchService(argv=argv)
    ls.include_launch_description(ld)
    return lts.run(ls)
Example #7
0
def generate_launch_description():

    if not "tesseract_collision" in os.environ["AMENT_PREFIX_PATH"]:
        # workaround for pluginlib ClassLoader bug: manually add tesseract_collision to the AMENT_PREFIX_PATH env variable
        head, tail = os.path.split(get_package_prefix('crs_support'))
        path = os.path.join(head, 'tesseract_collision')
        os.environ["AMENT_PREFIX_PATH"] += os.pathsep + path

    urdf = os.path.join(get_package_share_directory('crs_support'), 'urdf', 'crs.urdf')
    srdf = os.path.join(get_package_share_directory('crs_support'), 'urdf', 'ur10e_robot.srdf')
    gzworld = os.path.join(get_package_share_directory('crs_support'), 'worlds', 'crs.world')

    try:
        crs_models_dir = str(Path.home().joinpath('.gazebo', 'models', 'crs_support').resolve(strict=True))
    except FileNotFoundError: #os.path.exists(crs_models_dir):
        gazebo_path = str(Path.home().joinpath('.gazebo', 'models').resolve())
        os.mkdir(gazebo_path + "/crs_support")
        shutil.copytree(os.path.join(get_package_share_directory('crs_support'), 'meshes'), Path.home().joinpath(Path.home().joinpath('.gazebo','models','crs_support','meshes').resolve()))

    tesseract_env = launch_ros.actions.Node(
         node_name='env_node',
         package='tesseract_monitoring',
         node_executable='tesseract_monitoring_environment_node',
         output='screen',
         parameters=[{'use_sim_time': 'true',
         'desc_param': 'robot_description',
         'robot_description': urdf,
         'robot_description_semantic': srdf}])

    gzserver = launch.actions.ExecuteProcess(
        cmd=['gazebo', '--verbose', '-s', 'libgazebo_ros_factory.so', '--world', gzworld],
        output='screen'
    )

    spawner1 = launch_ros.actions.Node(
        node_name='spawn_node',
        package='gazebo_ros',
        node_executable='spawn_entity.py',
        arguments=['-entity', 'robot', '-x', '0', '-y', '0', '-z', '0.05', '-file', urdf])

    return launch.LaunchDescription([
        # environment
        tesseract_env,

        # gazebo
        gzserver,
        spawner1

])
Example #8
0
    def get(self, *args, **kwargs) -> None:
        if not args:
            self.write("Error - no argument supplied")
        argslist = args[0].split('/')
        package, rest = argslist[0], '/'.join(argslist[1:])

        file = os.path.join(get_package_prefix(package), rest)
        try:
            with open(file, 'rb') as f:
                data = f.read()
                self.write(data)
        except FileNotFoundError:
            self.write("Error opening file %s" % file)

        self.finish()
Example #9
0
def generate_launch_description():
    urdf = os.path.join(get_package_share_directory('mara_description'),
                        'urdf', 'mara_robot_gripper_140.urdf')
    install_dir = get_package_prefix('mara_description')

    print("install_dir ", install_dir)

    if 'GAZEBO_MODEL_PATH' in os.environ:
        os.environ['GAZEBO_MODEL_PATH'] = os.environ[
            'GAZEBO_MODEL_PATH'] + ':' + install_dir + '/share'
    else:
        os.environ['GAZEBO_MODEL_PATH'] = install_dir + "/share"

    if 'GAZEBO_PLUGIN_PATH' in os.environ:
        os.environ['GAZEBO_PLUGIN_PATH'] = os.environ[
            'GAZEBO_PLUGIN_PATH'] + ':' + install_dir + '/lib'
    else:
        os.environ['GAZEBO_PLUGIN_PATH'] = install_dir + '/lib'

    try:
        envs = {}
        for key in os.environ.__dict__["_data"]:
            key = key.decode("utf-8")
            if (key.isupper()):
                envs[key] = os.environ[key]
    except Exception as e:
        print("Error with Envs: " + str(e))
        return None

    rviz_config_path = os.path.join(
        get_package_share_directory('mara_description'), 'rviz',
        'visualization.rviz')
    ld = LaunchDescription([
        ExecuteProcess(cmd=['rviz2', '-d', rviz_config_path],
                       output='screen',
                       env=envs),
        Node(package='robot_state_publisher',
             node_executable='robot_state_publisher',
             output='screen',
             arguments=[urdf]),
        Node(package='mara_description',
             node_executable='mara_state_publisher.py',
             output='screen'),
    ])
    return ld