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当编译执行到./build.sh文件时，报错Eigen3 found！之类错误。解决方法：在主文件夹下直接查找FindEigen3.cmake文件,然后把它复制到报错的CMakeLists.txt对应的路径下/src中,在CMakeLists.txt中，添加：set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR})include_directories($ {EIGEN3_INCLUDE_DIRS})当编译执行到./build_ros.

首先安装Pangolin所需依赖sudo apt install libgl1-mesa-devsudo apt install libglew-devsudo apt install cmakesudo apt install libpython2.7-devsudo apt install python-pipsudo python -mpip install numpy pyopengl Pillow pybind11sudo apt install pkg-configsudo