我猜测的原因:Melodic需要的是python2的"python-rosdep",而我系统此时的默认版本已经是python3了,因此出现错误。可能需要先将默认的python版本改回来。同时看网上的资料说,使用Noetic版本的ROS需要执行的是"python3-rosdep"这行命令,这个我没试验过,不确定是不是因为Ubuntu 20.04的默认python版本为python3。 我的...
# 激活虚拟环境source~/ros_env/bin/activate# 初始化 ROS 环境source/opt/ros/noetic/setup.bash 1. 2. 3. 4. 5. 初次创建或每次使用 ROS 时,记得运行source /opt/ros/noetic/setup.bash来设置 ROS 环境变量。 步骤5: 解决包依赖问题 在虚拟环境中,安装所需的 Python 包以及管理依赖关系: # 使用 pip...
6 编译代码(以Python为例) 有了代码,接下来编译。 配置代码编译规则 在新的Noetic版本的ROS中,需要配置这一步,貌似之前的版本不需要配置。 我们配置一下CMakeLists.txt中的编译规则: 将文件中的catkin_install_python这段取消注释,并将默认的my_python_script改成velocity_publisher.py 执行编译 回到工作空间目录,...
sudo apt install ros-noetic-PACKAGE 初始化 安装完成之后需要初始化ROS sudo rosdep init rosdep update 如果你得到如下错误 rosdep: command not found 运行 sudo apt-get install python-rosdep 再次运行 sudo rosdep init 会报错 [rosdep init] ERROR: cannot download default sources list from: https://raw...
CMake Error at /opt/ros/noetic/share/catkin/cmake/empy.cmake:30 (message): Unable to find either executable 'empy' or Python module 'em'... try installing the package 'python3-empy' pip install empy 失败 有两种方式解决方法:
-- This workspace overlays: /home/areebpc/catkin_ws/devel;/opt/ros/noetic -- Found PythonInterp: /usr/bin/python3 (found suitable version"3.8.5", minimum requiredis"3") -- Using PYTHON_EXECUTABLE: /usr/bin/python3 -- Using Debian Python package layout ...
bloom version: 0.11.0 catkin_pkg version: 0.4.24 rosdep version: 0.21.0 rosdistro version: 0.8.3 vcstools version: 0.1.42 ompl (rolling) - 1.5.2-2 The packages in the ompl repository were released into the rolling distro by running /home/steven/osrf/bloom/.direnv/python-3.10.2/bin/bl...
I just ran into this problem on Ubuntu 20.04 using ROS Noetic trying to build Autoware.ai. To summarize on what some others in this thread have suggested, there are 3 options to fix this: Downgrade your locally-installed setuptools to match the same version of released as part of ubuntu fo...
It's the season for updates! Try out ROS Noetic, ROS 2 Foxy and Ubuntu 20.04 Focal Fossa following instructions in this post.
ROS_VERSION=2ROS_PYTHON_VERSION=3AMENT_PREFIX_PATH=/opt/ros/foxyPYTHONPATH=/opt/ros/foxy/lib/python3.8/site-packagesLD_LIBRARY_PATH=/opt/ros/foxy/opt/yaml_cpp_vendor/lib:/opt/ros/foxy/opt/rviz_ogre_vendor/lib:/opt/ros/foxy/lib/x86_64-linux-gnu:/opt/ros/foxy/libROS_LOCALHOST_ONLY=0...