ubuntu 20.04 install pcl

1.install

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
           

# default version is updating!!!
sudo apt-get install qt5-default

sudo apt install libpcl-dev
           

2.cmake

cmake_minimum_required(VERSION 3.16)
project(YOUR_PROJECT_NAME)

set(CMAKE_CXX_STANDARD 11)

find_package(PCL 1.2 REQUIRED)
include_directories(${PCL_INCLUDE_DIRS})

add_executable(YOUR_PROJECT_NAME main.cpp)

target_link_libraries(YOUR_PROJECT_NAME ${PCL_LIBRARIES})
           

3.main.cpp

#include <iostream>
#include "pcl/common/common_headers.h"
#include "pcl/io/pcd_io.h"
#include "pcl/visualization/pcl_visualizer.h"
#include "pcl/visualization/cloud_viewer.h"
#include "pcl/console/parse.h"
using namespace pcl;


int main(int argc, char **argv) {
    std::cout << "Test PCL !!!" << std::endl;

    pcl::PointCloud<pcl::PointXYZRGB>::Ptr point_cloud_ptr (new pcl::PointCloud<pcl::PointXYZRGB>);
    uint8_t r(255), g(15), b(15);
    for (float z(-1.0); z <= 1.0; z += 0.05)
    {
        for (float angle(0.0); angle <= 360.0; angle += 5.0)
        {
            pcl::PointXYZRGB point;
            point.x = 0.5 * cosf (pcl::deg2rad(angle));
            point.y = sinf (pcl::deg2rad(angle));
            point.z = z;
            uint32_t rgb = (static_cast<uint32_t>(r) << 16 |
                            static_cast<uint32_t>(g) << 8 | static_cast<uint32_t>(b));
            point.rgb = *reinterpret_cast<float*>(&rgb);
            point_cloud_ptr->points.push_back (point);
        }
        if (z < 0.0)
        {
            r -= 12;
            g += 12;
        }
        else
        {
            g -= 12;
            b += 12;
        }
    }
    point_cloud_ptr->width = (int) point_cloud_ptr->points.size ();
    point_cloud_ptr->height = 1;

    pcl::visualization::CloudViewer viewer ("test");
    viewer.showCloud(point_cloud_ptr);
    while (!viewer.wasStopped()){ };
    return 0;
}
           

4.result

reference:

1.ubuntu20.04安装pcl的详细步骤和走过的坑