sudo apt-get install flatpak
flatpak remote-add flathub https://flathub.org/repo/flathub.flatpakrepo
flatpak install flathub org.cloudcompare.CloudCompare
使用以下指令打开：
flatpak run org.cloudcompare.CloudCompare
直接将pcd点云拖进去，打开不太好使，只使用ascii的pcd文件进行测试