jack chen

> What topics are exposed by the "ros2 topic list" command? As I mentioned above。except for Lidar, everything else has

> AWSIM generates sensor data by simulating it. what does it mean to add real sensors data to AWSIM? What are the benefits? I want to record scenes near my...

now i have a xx.osm file . how can i add it into awsim(how can i create xx.pcd and xx.fbx)

> when i open AWSIM_demo.x86_64 and run ros2 topic list, Only the following topic is return: /clock /control/command/control_cmd /control/command/emergency_cmd /control/command/gear_cmd /control/command/hazard_lights_cmd /control/command/turn_indicators_cmd /parameter_events /rosout /sensing/camera/traffic_light/camera_info /sensing/camera/traffic_light/image_raw /sensing/gnss/pose /sensing/gnss/pose_with_covariance /sensing/imu/tamagawa/imu_raw /sensing/lidar/top/pointcloud_raw...

> i follow the quick start demo in official docs and get everything well except for the ground_truth topic. maybe you have conflict ros. Im using ros2 humble ubuntu 22.04...

> Have you played your AWSIM project? ye，i have already played.I don't think I have added ROS2 related components, but according to the tutorial, I don't seem to need any...

i have the same issue but Segmentation fault (core dumped) not appear. only like this 

hi , i try it few times . i found my fault because of the autoware(awsim-stable branch) setup-dev-env.sh。 i follow the https://tier4.github.io/AWSIM/GettingStarted/QuickStartDemo/ tutorial can work。but after i run setup-dev-env.sh ....

> 这实际上是[文档](https://cyclonedds.io/docs/cyclonedds-cxx/latest/api/pub.html#classdds_1_1pub_1_1PublisherListener)的一部分。如果您想使用侦听器，您必须创建自己的侦听器类并继承自该侦听器类`dds::pub::PublisherListener`，此示例希望可以帮助您入门。 i saw it. could you give me some examples for source code implementation