ubuntu20.04配置open3D(C++常用API安装)

原创已于 2024-08-22 16:35:05 修改

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#3d

于 2024-08-21 15:40:34 首次发布

切记cmake版本最好是3.24及以上，我原来就是3.16的版本，后面看到CMakeLists.txt里面明确写着需要3.24，cmake版本不够高，最后换成3.24才行。

就是正常的操作流程：

1.获取源码

git clone https://github.com/isl-org/Open3D.git
cd Open3D

2.依赖安装和Cmake

util/install_deps_ubuntu.sh

安装依赖这里，我出现下面提示：

The following information may help to resolve the situation:

The following packages have unmet dependencies:
 libosmesa6-dev : Depends: libosmesa6 (= 20.0.4-2ubuntu1) but it is not going to be installed
 libsdl2-dev : Depends: libibus-1.0-dev but it is not going to be installed
               Depends: libpulse-dev but it is not going to be installed
 libudev-dev : Depends: libudev1 (= 245.4-4ubuntu3) but 245.4-4ubuntu3.23 is to be installed
 xorg-dev : Depends: libxaw7-dev but it is not going to be installed
            Depends: libxpm-dev but it is not going to be installed
            Depends: xserver-xorg-dev but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

所以这里我一直想着单个包安装，但疯狂出现版本对应不上的问题，后面经过多次尝试其他办法。我发现了，ubuntu的aptitude 提供了更多的控制和灵活性，特别是在遇到依赖问题时，用户可以更轻松地找到解决问题的办法。因此，在处理复杂的依赖问题时，建议使用 aptitude 作为 apt-get 的替代方案。
具体代码实现也很简单：

sudo apt-get install aptitude
sudo aptitude install xorg-dev  libosmesa6-dev libsdl2-dev libudev-dev

Cmake可能遇到的坑！
然后可能会遇到python版本不对的情况，我一开始改动了-DPython3_EXECUTABLE=/usr/bin/python3.8 ，改这个就好了，或者通过修改-DBUILD_PYTHON_MODULE=OFF，不配置Python。反正可以根据自己需求，灵活修改配置。

mkdir build && cd build

cmake   -DCMAKE_INSTALL_PREFIX=/usr/local/open3d   -DBUILD_EIGEN3=ON -DBUILD_GLEW=ON -DBUILD_GLFW=ON -DBUILD_JSONCPP=ON -DBUILD_PNG=ON -DENABLE_GUI=ON -DBUILD_FILAMENT=ON -DBUILD_PYTHON_MODULE=OFF ..

===
-- Configuring done (7.5s)
-- Generating done (0.7s)
CMake Warning:
Manually-specified variables were not used by the project:

    BUILD_EIGEN3
    BUILD_FILAMENT
    BUILD_GLEW
    BUILD_GLFW
    BUILD_JSONCPP
    BUILD_PNG
    ENABLE_GUI