PCL学习笔记（一）：Ubuntu20.04安装pcl

1、安装依赖

     sudo apt-get update
     sudo apt-get install git build-essential linux-libc-dev
     sudo apt-get install cmake cmake-gui 
     sudo apt-get install libusb-1.0-0-dev libusb-dev libudev-dev
     sudo apt-get install mpi-default-dev openmpi-bin openmpi-common  
     sudo apt-get install libflann1.8 libflann-dev
     sudo apt-get install libeigen3-dev
     sudo apt-get install libboost-all-dev
     sudo apt-get install libvtk5.10-qt4 libvtk5.10 libvtk5-dev
     sudo apt-get install libqhull* libgtest-dev
     sudo apt-get install freeglut3-dev pkg-config
     sudo apt-get install libxmu-dev libxi-dev 
     sudo apt-get install mono-complete
     sudo apt-get install qt-sdk openjdk-8-jdk openjdk-8-jre

2、安装VTK

在https://vtk.org/download/下载VTK源码包，下载最新的即可。解压缩

注意该cmake的路径

mkdir build
cd build
cmake ../ -DCMAKE_INSTALL_PREFIX=/home/zll/vtk
make -j4
sudo make install

3、下载源码

https://github.com/PointCloudLibrary/pcl

这里我用gitee下的

解决git clone慢的方法参考：https://blog.csdn.net/xy_zhangchn/article/details/81558144

https://gitee.com/zhonglinlin/pcl

4、添加环境变量

     cd pcl
     mkdir release
     cd release
　　　cmake ../ -DCMAKE_BUILD_TYPE=None -DCMAKE_INSTALL_PREFIX=/home/zll/pcl -DBUILD_apps=ON -DBUILD_examples=ON  

     make -j4

5、安装

     sudo make install

6、测试

参考：https://blog.csdn.net/suyunzzz/article/details/96722184