Ubuntu安装支持PCL、LAS的CloudCompare

git clone --recursive https://github.com/cloudcompare/trunk.git
cd trunk
mkdir build
cd build
cmake .. -DPLUGIN_STANDARD_QPCL:BOOL=ON -DPLUGIN_IO_QPDAL:BOOL=ON
make -j10
sudo make install

如果报 fatal error: json/json.h: No such file or directory的错，执行下面的命令

sudo apt-get install libjsoncpp-dev 
sudo ln -s /usr/include/jsoncpp/json/ /usr/include/json

编译安装过程中cmake后面的编译选项，会使得CMakeCache.txt文件中的对应变量从默认OFF（如下文所示）改为ON，以支持pcd，las等点云格式

//Check to install qPCL plugin

PLUGIN_STANDARD_QPCL:BOOL=OFF

...

//Install qPDALIO plugin to read & write LAS files

PLUGIN_IO_QPDAL:BOOL=OFF