Ubuntu compilation and installation pcl tutorial.

Compiling and installing PCL (Point Cloud Library) is a way to install on Ubuntu using custom options. Here is a basic tutorial:

1. Install dependencies:
   
   Before you start compiling PCL, you need to install some necessary dependencies. Open a terminal and run the following command:

   sudo apt-get updatesudo apt-get install git build-essential linux-libc-dev cmake cmake-gui libusb-1.0-0-dev libusb-dev libudev-dev mpi-default-dev openmpi-bin openmpi-common libflann1 .9 libflann-dev libeigen3-dev libboost-all-dev libvtk7.1 libvtk7-dev libvtk7-java libvtk7-jni libvtk7-java-dev libqhull* libgtest-dev freeglut3-dev pkg-config

2. Clone the PCL source code:
   
   In the terminal, go to the directory where you wish to clone the PCL source code and execute the following command:

   git clone 

3. Create and enter the build directory:
   
   In the terminal, enter the PCL source code directory and create a directory for the build. Execute the following command:

   cd pcl
   mkdir buildcd build

4. Configure and generate the Makefile:
   
   In the build directory, run CMake to configure and generate the Makefile. Execute the following command:

   cmake ..

   During this process, you can use the CMake GUI for more detailed configuration. Once completed, the generated Makefile will be saved in the build directory.

5. Compilation and installation:
   
   In the build directory, run the make command to compile PCL. Execute the following command:

   make

   The compilation process may take some time, depending on your system performance.

   After compilation is completed, use the following command to install:

   sudo make install

   After the installation is completed, PCL will be installed into the system.

Please note that the above steps only cover the basic compilation and installation process. Depending on your system configuration and needs, additional configuration and option settings may be required. It is recommended to consult PCL official documentation and related resources for more detailed information and guidance.

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