ros下ORB-SLAM2安装记录
虚拟机环境下安装orbslam2，没有摄像头。最后用来测试数据
1.环境
ubuntu16.04 ros kinetic
2.安装orbslam2的依赖项
在Ubuntu主目录下创建新文件夹"3d party package"，用来存放将要安装的依赖项
（1）安装pangolin
https://github.com/stevenlovegrove/Pangolin
将pangolin源码下载后，解压至3d party package
sudo apt-get install libglew-dev #安装Glew
sudo apt-get install cmake #安装CMake
sudo apt-get install libboost-dev libboost-thread-dev libboost-filesystem-dev #安装Boost
下载pangolin
cd ~/3d party package/Pangolin-master
mkdir build
cd build
cmake ..
make -j4到这里安装出错，在网上找到解决办法。
解决办法如下
https://www.cnblogs.com/liufuqiang/p/5618335.html
（2）安装openCV
将opencv源码下载后，解压至3d party package
cd ~/3d party package/opencv3.3.0
mkdir build
cd build
cmake ..
make -j4(3)安装eigen
（4）安装ORBslam2
git clone https://github.com/raulmur/ORB_SLAM2.git ORB_SLAM2解压至你的ros 工作空间的src文件夹如
然后cd至该文件夹，比如/catkin_ws/src/ORB_SLAM2-master
然后执行命令安装
chmod +x build.sh
./build.sh（5） 现在安装ROS部分
首先修改.bashrc文件
cd ~
gedit .bashrc打开.bashrc文件在最后一行加入
export ROS_PACKAGE_PATH=${ROS_PACKAGE_PATH}:~/catkin_ws/src/ORB_SLAM2-master/Examples/ROS注意~/catkin_ws/src/ORB_SLAM2-master应该修改为你对应的文件夹
然后cd至orbslam2文件夹，比如我的是/catkin_ws/src/ORB_SLAM2-master
最后执行以下代码
chmod +x build_ros.sh
./build_ros.sh我遇到了以下错误
在编译ubuntu16.04ros包的时候出现以下问题
`/usr/bin/ld: CMakeFiles/RGBD.dir/src/ros_rgbd.cc.o: undefined reference to symbol ‘_ZN5boost6system15system_categoryEv’
/usr/lib/x86_64-linux-gnu/libboost_system.so: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
CMakeFiles/RGBD.dir/build.make:218: recipe for target ‘../RGBD’ failed
make[2]: * [../RGBD] Error 1
CMakeFiles/Makefile2:67: recipe for target ‘CMakeFiles/RGBD.dir/all’ failed
make[1]: * [CMakeFiles/RGBD.dir/all] Error 2
make[1]: * 正在等待未完成的任务….
/usr/bin/ld: CMakeFiles/Stereo.dir/src/ros_stereo.cc.o: undefined reference to symbol ‘_ZN5boost6system15system_categoryEv’
/usr/lib/x86_64-linux-gnu/libboost_system.so: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
CMakeFiles/Stereo.dir/build.make:218: recipe for target ‘../Stereo’ failed
make[2]: * [../Stereo] Error 1
CMakeFiles/Makefile2:104: recipe for target ‘CMakeFiles/Stereo.dir/all’ failed
make[1]: * [CMakeFiles/Stereo.dir/all] Error 2
Makefile:127: recipe for target ‘all’ failed
make: * [all] Error 2出错原因为：libboost_system.so 与libboost_filesystem.so找不到链接目录
- 解决方案为
locate boost_system
//查找到目录
/usr/lib/x86_64-linux-gnu/libboost_system.a
/usr/lib/x86_64-linux-gnu/libboost_system.so
/usr/lib/x86_64-linux-gnu/libboost_system.so.1.58.0
/usr/local/MATLAB/R2017a/bin/glnxa64/libboost_system.so.1.56.0
locate boost_filesystem
//查找到目录
/usr/lib/x86_64-linux-gnu/libboost_filesystem.a
/usr/lib/x86_64-linux-gnu/libboost_filesystem.so
/usr/lib/x86_64-linux-gnu/libboost_filesystem.so.1.58.0
/usr/local/MATLAB/R2017a/bin/glnxa64/libboost_filesystem.so.1.56.0
将libboost_system.so与libboost_filesystem.so复制到ORB_SLAM2/lib下，并且将ORBSLAM2/Examples/ROS/ORBSLAM2下的Cmakelists.txt中加入库目录，具体为
在set(LIBS
${OpenCV_LIBS}
${EIGEN3_LIBS}
${Pangolin_LIBRARIES}
${PROJECT_SOURCE_DIR}/../../../Thirdparty/DBoW2/lib/libDBoW2.so
${PROJECT_SOURCE_DIR}/../../../Thirdparty/g2o/lib/libg2o.so
${PROJECT_SOURCE_DIR}/../../../lib/libORB_SLAM2.so
之后加入${PROJECT_SOURCE_DIR}/../../../lib/libboost_filesystem.so
${PROJECT_SOURCE_DIR}/../../../lib/libboost_system.so
问题得以解决
转载自https://blog.csdn.net/qq_39055391/article/details/79725211