谷歌Cartographer学习(1)-快速安装测试
谷歌自己提供了安装方法,但是安装比较繁琐,我做了一定的修改,代码放到个人github上,https://github.com/hitcm/。
ros下面的安装非常快捷,只需要catkin_make即可。
更多细节,可以看看知乎的问题https://www.zhihu.com/question/51348391/answer/125560951?from=profile_answer_card
个人理解错误的地方还请不吝赐教,转载请标明出处,内容如有改动更新,请看原博:http://www.cnblogs.com/hitcm/,如有任何问题,feel free to contact me at robotsming@gmail.com
如有问题,请及时反馈给我,博客会持续更新。
如下,需要安装3个软件包,ceres solver、cartographer和cartographer_ros
0.安装所有依赖项
sudo apt-get install -y google-mock libboost-all-dev libeigen3-dev libgflags-dev libgoogle-glog-dev liblua5.2-dev libprotobuf-dev libsuitesparse-dev libwebp-dev ninja-build protobuf-compiler python-sphinx ros-indigo-tf2-eigen libatlas-base-dev libsuitesparse-dev liblapack-dev
1.首先安装ceres solver,选择的版本是1.11,路径随意
1. git clone https://github.com/hitcm/ceres-solver-1.11.0.git
2. cd ceres-solver-1.11.0/build
3. cmake ..
4. make –j
5. sudo make install
2.然后安装 cartographer,路径随意
1. git clone https://github.com/hitcm/cartographer.git
2 . cd cartographer/build
3. cmake .. -G Ninja
4. ninja
5. ninja test
6. sudo ninja install
上述第3步执行错误的同学可以忽略3-6步,改用下面的方法。
7. cmake ..
8 . make
9. sudo make install
3.安装cartographer_ros。
谷歌官方提供的安装方法比较繁琐,我对原来的文件进行了少许的修改,核心代码不变,只是修改了编译文件
下载到catkin_ws下面的src文件夹下面
git clone https://github.com/hitcm/cartographer_ros.git
然后到catkin_ws下面运行catkin_make即可。
4.数据下载测试
2d数据,大概500M,用迅雷下载
https://storage.googleapis.com/cartographer-public-data/bags/backpack_2d/cartographer_paper_deutsches_museum.bag
3d数据,8G左右,同样用迅雷下载
https://storage.googleapis.com/cartographer-public-data/bags/backpack_3d/cartographer_3d_deutsches_museum.bag
有同学反映上面链接失效了,请用下面的即可。
https://storage.googleapis.com/cartographer-public-data/bags/backpack_3d/b3-2016-04-05-14-14-00.bag
然后运行launch文件即可。
roslaunch cartographer_ros demo_backpack_2d.launch bag_filename:=${HOME}/Downloads/cartographer_paper_deutsches_museum.bag
roslaunch cartographer_ros demo_backpack_3d.launch bag_filename:=${HOME}/Downloads/cartographer_3d_deutsches_museum.bag
刚开始使用ROS的同学运行下面两句是无法工作的,可能出现的错误如下。
[demo_backpack_2d.launch] is neither a launch file in package [cartographer_ros] nor is [cartographer_ros] a launch file name
The traceback for the exception was written to the log file
这种错误的主要原因是ros的catkin_ws配置问题,可以运行rospack profile试试。
实在不行还有如下所示的两种解决方法。推荐第二种。
最终结果如下图,左侧为2d,右侧为3d。
Good luck!关于代码的原理解析,接下来的文章可能会详细探讨。