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@ -24,6 +24,16 @@ colcon build --packages-select ros_viz_adapter --symlink-install
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ros2 launch ros_viz_adapter adapter.launch.py
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```
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点云可视化示例:
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```bash
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ros2 launch ros_viz_adapter adapter.launch.py \
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input_fps_limit:=10 \
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output_fps:=5 \
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voxel_size_m:=0.10 \
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max_points:=50000
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```
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参数:
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```text
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@ -35,6 +45,13 @@ voxel_size_m 默认 0.05
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max_points 默认 100000
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```
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调参规律:
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input_fps_limit 越低,适配器接收和处理次数越少;
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output_fps 越低,平台网络和渲染负载越低;
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voxel_size_m 越大,点越少、处理越快,但细节损失越明显,=0 可以关闭体素降采样,但通常不建议这么做;
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max_points 越小,输出消息越小,但点云显示更稀疏;
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input_fps_limit:=0 或 output_fps:=0 表示不限制频率。
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QoS 为 `BEST_EFFORT + KEEP_LAST + depth=1`。限频降低的是适配器处理、网络和
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平台负载;如果还要降低源容器 CPU,应同时调整相机/上游发布频率。
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@ -7,11 +7,19 @@ from launch_ros.actions import Node
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def generate_launch_description():
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return LaunchDescription([
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DeclareLaunchArgument('output_namespace', default_value='/viz'),
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DeclareLaunchArgument('input_fps_limit', default_value='30.0'),
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DeclareLaunchArgument('output_fps', default_value='10.0'),
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DeclareLaunchArgument('voxel_size_m', default_value='0.05'),
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DeclareLaunchArgument('max_points', default_value='100000'),
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Node(
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package='ros_viz_adapter', executable='adapter',
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name='ros_viz_adapter', output='screen',
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parameters=[{
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'output_namespace': LaunchConfiguration('output_namespace'),
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'input_fps_limit': LaunchConfiguration('input_fps_limit'),
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'output_fps': LaunchConfiguration('output_fps'),
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'voxel_size_m': LaunchConfiguration('voxel_size_m'),
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'max_points': LaunchConfiguration('max_points'),
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}],
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),
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])
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@ -45,6 +45,13 @@ voxel_size_m 默认 0.05
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max_points 默认 100000
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```
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调参规律:
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input_fps_limit 越低,适配器接收和处理次数越少;
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output_fps 越低,平台网络和渲染负载越低;
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voxel_size_m 越大,点越少、处理越快,但细节损失越明显,=0 可以关闭体素降采样,但通常不建议这么做;
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max_points 越小,输出消息越小,但点云显示更稀疏;
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input_fps_limit:=0 或 output_fps:=0 表示不限制频率。
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QoS 为 `BEST_EFFORT + KEEP_LAST + depth=1`。限频降低的是适配器处理、网络和
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平台负载;如果还要降低源容器 CPU,应同时调整相机/上游发布频率。
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