一键安装失败.png
一键安装失败.png
所使用的是ROS2的humble版本,所导出的stl文件已能在rviz中显示,但无法在gazebo中显示,通过rqt的/spawn_entity进行导入,导入失败,有什么方法能导入stl文件吗截图 2025-06-13 11-33-10.png
使用功能包组织节点的时候报错importlib.metadata.PackageNotFoundError: No package metadata was found for demo-python
使用python编写launch文件来启动节点,构建成功后运行报错。
launch文件如下:
d1f38065-6fe6-412d-b4c8-0dab69748313-image.png
添加拷贝代码如下:
7242bf4d-9327-47f6-be35-4f3ce6f1980d-image.png
launch文件已成功拷贝到install中的对应位置
报错日志如下:
dd15b351-f4fc-4caa-a49f-198155b40785-image.png
6d4306c9-47e9-414c-92bc-fe6a9067a7c7-image.png
求大神帮助,万分感谢!
humble
问题描述我用colcon build编译了一个功能包,怎么能把这个功能包直接移植到其他电脑上。肯定是有各种依赖库问题,但是这块正常来说应该怎么做?完全不了解,可否请各位老师指点一下。
Traceback (most recent call last):
File "/home/ros/chapt2_3/chapt2_3_ws/install/demo_python_pkg/lib/demo_python_pkg/writer_node", line 33, in <module>
sys.exit(load_entry_point('demo-python-pkg==0.0.0', 'console_scripts', 'writer_node')())
File "/home/ros/chapt2_3/chapt2_3_ws/install/demo_python_pkg/lib/python3.10/site-packages/demo_python_pkg/writer_node.py", line 10, in main
node = WriterNode('法外狂徒张三', 18, '论快速入狱')
File "/home/ros/chapt2_3/chapt2_3_ws/install/demo_python_pkg/lib/python3.10/site-packages/demo_python_pkg/writer_node.py", line 5, in init
super().init(name, age)
TypeError: PersonNode.init() missing 1 required positional argument: 'age'
[在这里描述你要实现什么,也许有更好的方案]
问题描述:colcon build;ros@ros-VirtualBox:~/chapt2_3/chapt2_3_ws$ source install/setup.bash
ros@ros-VirtualBox:~/chapt2_3/chapt2_3_ws$ ros2 run demo_python_pkg writer_node
Traceback (most recent call last):
File "/home/ros/chapt2_3/chapt2_3_ws/install/demo_python_pkg/lib/demo_python_pkg/writer_node", line 33, in <module>
sys.exit(load_entry_point('demo-python-pkg==0.0.0', 'console_scripts', 'writer_node')())
File "/home/ros/chapt2_3/chapt2_3_ws/install/demo_python_pkg/lib/python3.10/site-packages/demo_python_pkg/writer_node.py", line 10, in main
node = WriterNode('法外狂徒张三', 18, '论快速入狱')
File "/home/ros/chapt2_3/chapt2_3_ws/install/demo_python_pkg/lib/python3.10/site-packages/demo_python_pkg/writer_node.py", line 5, in init
super().init(name, age)
TypeError: PersonNode.init() missing 1 required positional argument: 'age'
person.py代码
import rclpy
from rclpy.node import Node
class PersonNode(Node):
def init(self, node_name: str, name: str, age: int) -> None:
super().init(node_name)
self.age = age
self.name = name
def main():
rclpy.init()
node = PersonNode('person_node', '法外狂徒张三', '18')
node.eat('鱼香肉丝')
rclpy.spin(node)
rclpy.shutdown()
writer_node.py代码
from demo_python_pkg.person_node import PersonNode
class WriterNode(PersonNode):
def init(self, name: str, age: int, book: str) -> None:
super().init(name, age)
print('WriterNode 的 init 函数被调用了')
self.book = book
def main():
node = WriterNode('法外狂徒张三', 18, '论快速入狱')
node.eat('鱼香肉丝')
setup.py
entry_points={
'console_scripts': [
'python_node = demo_python_pkg.python_node:main',
'person_node = demo_python_pkg.person_node:main',
'writer_node = demo_python_pkg.writer_node:main',
],
},
目录展示
2ac34ae9-5fa0-4be8-aab0-07052c7e7894-image.png
f78ae182-8f7e-4157-a970-153b31c8345a-image.png
972882a2-04b7-4715-96ee-5237cf76bc17-image.png
尝试过的解决方法:问了deepseek,按照他的修改,但是显示新的错误,进行修改,继续报错
设置了超声波层,在实际使用的时候,不能及时更新,还会在车体附件生成障碍物
f5caaaac-8b7f-467e-9aed-2b5b0439281b-image.png
9b736012-9d0e-49ea-aad3-f3f6c4ef9d8b-image.png
我使用的参数如下:
sudo apt-get install ros-humble-ros-numpy
正在读取软件包列表... 完成
正在分析软件包的依赖关系树... 完成
正在读取状态信息... 完成
E: 无法定位软件包 ros-humble-ros-numpy
出现这个问题 不知道如何解决
😠
使用ros2_control控制铰接车运动,最后想导入navigation2框架里面,无法建立连接
截图 2025-06-11 14-24-09.png
截图 2025-06-11 14-19-07.png
截图 2025-06-11 14-21-49.png
556e69cf-55af-4475-9670-3971e778825c-ec42787c8738f70cd8be06b7f1b91c94.jpg
老师,这里路径错误怎么解决,然后我问下执行相关程序的步骤是什么,我colcon build构建他说没有找到相关指令
各位大佬,ros2-humble中如何添加libgazebo_ros_range插件,以仿真超声测距数据。apt安装的插件里没有这个插件,插件源码里ros2版本也没有这个插件的源码。
回复: [FishBot教程]9.0.7. FishBot-Nav2导航测试
ros2 humble
按照历程一路走下来。完成slam建图部分。
终端输入
在rviz2中用鼠标2D pose estimation无法出现扫描,代价地图等信息。
求鱼哥帮帮忙
Traceback (most recent call last):
File "/home/ros/chapt2_2/chapt2_2_ws/install/demo_python_pkg/lib/demo_python_pkg/human_node", line 33, in <module>
sys.exit(load_entry_point('demo-python-pkg==0.0.0', 'console_scripts', 'human_node')())
File "/home/ros/chapt2_2/chapt2_2_ws/install/demo_python_pkg/lib/demo_python_pkg/human_node", line 25, in importlib_load_entry_point
return next(matches).load()
File "/usr/lib/python3.10/importlib/metadata/init.py", line 173, in load
return functools.reduce(getattr, attrs, module)
AttributeError: module 'demo_python_pkg.human_node' has no attribute 'main'
[ros2run]: Process exited with failure 1
打印法外狂徒张三18岁爱吃鱼香肉丝
问题描述:colcon build 可以看到有可执行文件human_node
dcdabe18-7592-4232-a5c5-50ad79447b09-e7b86163b9b0c47ecaff81602f532b9.png
source install/setup.bash
ros2 run demo_python_pkg human_node这一步失败了,好几次;
setup.py的内容
da8477af-1ebf-4338-8e9e-e0334d205139-b9ac2443f48f957d95c95b28b7cb584.png
human_node.py的内容
2f60d867-6466-47c7-b975-c9a7902fc449-f78c2db80d27f6b6ae36568818e1c03.png
直接把Traceback (most recent call last):
File "/home/ros/chapt2_2/chapt2_2_ws/install/demo_python_pkg/lib/demo_python_pkg/human_node", line 33, in <module>
sys.exit(load_entry_point('demo-python-pkg==0.0.0', 'console_scripts', 'human_node')())
File "/home/ros/chapt2_2/chapt2_2_ws/install/demo_python_pkg/lib/demo_python_pkg/human_node", line 25, in importlib_load_entry_point
return next(matches).load()
File "/usr/lib/python3.10/importlib/metadata/init.py", line 173, in load
return functools.reduce(getattr, attrs, module)
AttributeError: module 'demo_python_pkg.human_node' has no attribute 'main'
[ros2run]: Process exited with failure 1
复制搜索答案,没看懂
小鱼,有没有安装安装ros1的Melodic的视频教程
环境win11 wsl2-ubuntu22.04 ros2-humble
WARNING:colcon.colcon_cmake.task.cmake.build:Could not build CMake package 'ros2_cpp' because the CMake cache has no 'CMAKE_PROJECT_NAME' variable
Finished <<< ros2_cpp [0.78s]
colcon build后出错,怎么解决
5f117148-34a2-4bbd-b9fe-b4df769ba6fb-image.png
具体细节和上下文:网上没找到相关问题解决方法
尝试过的解决方法:网上没找到相关问题解决方法
截图 2025-06-08 16-49-39.png
在执行colcon build 为什么会显示code1出现问题啊,求大佬告知
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