Files
toid/toid_navigation/launch/navigation_launch.py

116 lines
3.5 KiB
Python

from launch import LaunchDescription
from launch.actions import DeclareLaunchArgument, IncludeLaunchDescription
from launch.conditions import IfCondition, UnlessCondition
from launch.substitutions import LaunchConfiguration
from launch.launch_description_sources import PythonLaunchDescriptionSource
from launch_ros.actions import Node
from launch_ros.substitutions import FindPackageShare
import os
def generate_launch_description():
pkg_share = FindPackageShare("").find('toid_navigation')
params = os.path.join(pkg_share, 'params', 'toid_general_params.yaml')
map = os.path.join(pkg_share, 'maps', 'mapb2_5cm.yaml')
launch_dir = os.path.join(pkg_share, 'launch')
default_rviz_config_path = os.path.join(pkg_share, 'rviz', 'nav2.rviz')
bt_path = os.path.join(pkg_share, "behaviors", "navigate_to_pose_w_backtracking.xml")
lattice_path = os.path.join(pkg_share, "params", "output.json")
position = "0.756 0.225 0 0 0 0".split(' ')
#position = "0 0 0 0 0 0".split(' ')
visualize = LaunchConfiguration("visualize")
visualize_arg = DeclareLaunchArgument(
'visualize',
default_value='True',
description="Whether to launch rviz2"
)
toid_control = IncludeLaunchDescription(
PythonLaunchDescriptionSource(
os.path.join(launch_dir, 'mock_control_launch.py')
),
launch_arguments={
'visualize': 'False'
}.items()
)
set_position = Node(
package='tf2_ros',
executable='static_transform_publisher',
name='map_to_odom_broadcaster',
arguments=position + ['map', 'odom'],
condition=IfCondition(visualize)
)
map_server = Node(
package='nav2_map_server',
executable='map_server',
name='map_server',
output='screen',
parameters=[{'yaml_filename': map}]
)
planner_server = Node(
package='nav2_planner',
executable='planner_server',
name='planner_server',
output='screen',
parameters=[{'GridBased':{'lattice_filepath': lattice_path}}, params]
)
controller_server = Node(
package='nav2_controller',
executable='controller_server',
name='controller_server',
output='screen',
parameters=[params]
)
bt_navigator = Node(
package='nav2_bt_navigator',
executable='bt_navigator',
name='bt_navigator',
output='screen',
parameters=[{'default_nav_to_pose_bt_xml': bt_path}, params]
)
# default_nav_to_pose_bt_xml: "$(find-pkg-share toid_navigation)/behaviors/navigate_to_pose_w_backtracking.xml"
behavior_server = Node(
package='nav2_behaviors',
executable='behavior_server',
name='behavior_server',
output='screen',
parameters=[params]
)
lifecycle_manager_node = Node(
package='nav2_lifecycle_manager',
executable='lifecycle_manager',
name='lifecycle_manager',
output='screen',
parameters=[params]
)
rviz_node = Node(
package='rviz2',
executable='rviz2',
name='rviz2',
output='screen',
arguments=['-d', default_rviz_config_path],
condition=IfCondition(visualize)
)
return LaunchDescription([
visualize_arg,
set_position,
rviz_node,
map_server,
bt_navigator,
behavior_server,
planner_server,
controller_server,
lifecycle_manager_node,
toid_control
])