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后来发现ubuntu16.04已经有编译好的：

python -mpip install open3d==0.10.0.0  -i https://pypi.tuna.tsinghua.edu.cn/simple 不要用： python -mpip install open3d-python==0.10.0.0  -i https://pypi.tuna.tsinghua.edu.cn/simple

之所以需要自己编译，是因为最新版本不适合我的机器环境：

Pre-built pip and conda packages support Ubuntu 18.04+, macOS 10.14+ and Windows 10 (64-bit) with Python 3.5, 3.6, 3.7 and 3.8. If you have other Python versions or operating systems, please compile Open3D from source

参考：(没梯子看这个有点慢)

需要的环境：

CMake 3.8.0 or higher is required

直接下载包进行cmake会出现：

CMake Error at 3rdparty/CMakeLists.txt:39 (message):  3rdparty submodules are missing  if you are using git, to update submodules run:    git submodule update --init --recursive

正确应该是git下载：

git clone --recursive https://github.com/intel-isl/Open3D

他有一些依赖项：

util/scripts/install-deps-ubuntu.sh

#!/usr/bin/env bashset -evsudo apt-get updateif [ "$1" == "assume-yes" ]; then    sudo apt-get --yes install xorg-dev libglu1-mesa-dev libgl1-mesa-glx || true    sudo apt-get --yes install libglew-dev || true    sudo apt-get --yes install libglfw3-dev || true    sudo apt-get --yes install libeigen3-dev || true    sudo apt-get --yes install libpng-dev || true    sudo apt-get --yes install libpng16-dev || true    sudo apt-get --yes install libsdl2-dev || true    sudo apt-get --yes install python-dev python-tk || true    sudo apt-get --yes install python3-dev python3-tk || true    sudo apt-get --yes install libtbb-dev || true    sudo apt-get --yes install libglu1-mesa-dev || true    sudo apt-get --yes install libc++-7-dev || true    sudo apt-get --yes install libc++abi-7-dev || true    sudo apt-get --yes install ninja-build || true    sudo apt-get --yes install libxi-dev || trueelse    sudo apt-get install xorg-dev libglu1-mesa-dev libgl1-mesa-glx || true    sudo apt-get install libglew-dev || true    sudo apt-get install libglfw3-dev || true    sudo apt-get install libeigen3-dev || true    sudo apt-get install libpng-dev || true    sudo apt-get install libpng16-dev || true    sudo apt-get install libsdl2-dev || true    sudo apt-get install python-dev python-tk || true    sudo apt-get install python3-dev python3-tk || true    sudo apt-get install libtbb-dev || true    sudo apt-get install libglu1-mesa-dev || true    sudo apt-get install libc++-7-dev || true    sudo apt-get install libc++abi-7-dev || true    sudo apt-get install ninja-build || true    sudo apt-get install libxi-dev || truefi

我这边git clone太慢了。。。。

我通过国内的码云备份：

参考：

备份后，通过：

git clone --recursive https://gitee.com/yangninghua/Open3D

进行下载

然后cd Open3D/3rdparty

输入命令：

git submodule update --init --recursive

 

~/.conda/envs/py3_6--pytorch1_1_0/bin/jupyter notebook

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