YU, ZHENG

Results 4 issues of YU, ZHENG

Unable use ai_module on tt Drone

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## Problem AI module apply the example model from DJI Education Hub, which detect EP. TT Drone run the program `01_ai_module_tt.py` in this repository. ```python # -*-coding:utf-8-*- # Copyright (c)...

fix: set tf timestamp

Add one line code `trans.header.stamp = get_ros_time(lidar_end_time);` to fix ISSUE #326

Topic /tf has no timestamp in ROS2 branch

Topic /tf has no timestamp in ROS2 branch. Topic /tf `header.stamp` will 0.0.

libEGL warning: NEEDS EXTENSION: falling back to kms_swrast terminate called after throwing an instance of 'Ogre::InvalidParametersException'

## Environment * OS Version: Ubuntu 22.04 * Source: Ignition Fortress * ROS2 version: Humble ## Steps to reproduce 1. Open one terminal run ``` ign gazebo empty.sdf ``` 2....

bug