/usr/bin/env python3importrclpyfromrclpy.nodeimportNodeimportmessage_filtersfromstd_msgs.msgimportString,Float32,Int32importmessage_filtersfromsensor_msgs.msgimportImage, CameraInfodefcallback(image_sub,info_sub): res=int(info_sub.data)-int(image_sub.data)print("publisher1:\t{}\tpubsher2:\t{}...
/usr/bin/env python3 import rclpy from rclpy.node import Node import message_filters from std_msgs.msg import String,Float32,Int32 import message_filters from sensor_msgs.msg import Image, CameraInfo def callback(image_sub,info_sub): res=int(info_sub.data)-int(image_sub.data) print("pub...
* Adds an input aligner filter (`#148 <https://github.com/ros2/message_filters/issues/148>`_) * Stop using python_cmake_module. (`#114 <https://github.com/ros2/message_filters/issues/114>`_) * Contributors: Chris Lalancette, Sascha Arnold, Alejandro Hernández Cordero 6.0.5 (2024-10...
Python: N separate filters, each of which has signaturecallback(msg). Output : C++: For message types M0..M8,void callback(const std::shared_ptr<M0 const>&, ...,const std::shared_ptr<M8 const>&). The number of parameters is determined by the number of template arguments the class...
ros2 pkg create --dependencies rclcpp sensor_msgs message_filters --build-type ament_cmake --license Apache-2.0 --node-name radar_node mtuav-sns-radar-ros2 和不指定依赖相比,文件变动如下: mtuav-sns-radar-ros2/package.xml mtuav-sns-radar-ros2/CMakeLists.txt ...
请注意我所说的是“如果你要自己创建发布者”。由于缺少订阅者连接回调,ROS 1中许多被广泛使用的包的ROS 2端口都是不可使用的,例如:message_filters、image_transport、image_proc、depth_image_proc…… 相关问题可以浏览这篇帖子:订阅匹配中的ROS 2的发布者回调 (https://...
message_filters nav_msgs pendulum_msgs pluginlib python_cmake_module quality_of_service_demo_cpp quality_of_service_demo_py rcl_lifecycle rclcpp rclcpp_action rclcpp_components rclcpp_lifecycle rclpy rcpputils resource_retriever rmw rmw_fastrtps_cpp rmw_implementation_cmake robot_state_publisher ros2...
这里使用了tf2_ros::MessageFilter来处理障碍物观测数据。主要是因为tf2_ros::MessageFilter可以保证只有在传感器的fram和global_fram的tf关系有效的情况下再执行数据的回调函数。在障碍物数据叠加到costmap层的过程中需要将障碍物数据转换到全局坐标系下。所以需要保证其tf转换是有效的才进行数据处理。
get_message_count(self, topic_filters=None) 1. 这个方法允许你指定一个或多个话题过滤器(topic_filters),以便只计算特定话题的消息数。该参数接收一个字符串或字符串列表,用于指定要计算消息数的话题。如果未提供或设置为 None,则计算 bag 文件中所有话题的消息数。
ros-foxy-map-msgs ros-foxy-message-filters ros-foxy-nav-msgs ros-foxy-rclcpp ros-foxy-rclcpp-action ros-foxy-rclcpp-components ros-foxy-rclcpp-lifecycle ros-foxy-robot-state-publisher ros-foxy-ros2action ros-foxy-ros2bag ros-foxy-ros2component ros-foxy-ros2doctor ros-foxy-ros2interface ...