Markus Vieth

https://github.com/PointCloudLibrary/pcl/blob/master/tools/pcd_viewer.cpp has an example of how to use `AreaPickingEvent`

@Ru1yi What is the status here? Have you tried with the code from pcd_viewer.cpp?

Regarding GLEW, this would effectively revert commit https://github.com/PointCloudLibrary/pcl/commit/b4cba32aee2bc4802ed9e35e26a65c185303b8f6 , right? Regarding OpenMP: Our FindOpenMP.cmake says that it can be removed when CMake 3.11 is required (you added FindOpenMP.cmake in commit...

So every CMake version >= 3.11 and < 3.16 would be untested, but there is no immediate reason why they would not work, right? I think I would slightly prefer...

okay, let's raise the requirement to CMake 3.16 then.

I think searching for GLEW in CONFIG mode is not the right way? At least on Ubuntu, there is neither a GLEWConfig.cmake nor a GLEW-config.cmake in any Ubuntu version. The...

I am unsure about removing all the `${_ROOT}` and `$ENV{_ROOT}` hints: how does CMake determine what `` is supposed to be? I guess this is related to https://cmake.org/cmake/help/latest/policy/CMP0074.html ? Does...

@xiaocer How did you install PCL? How do you build your own program? Do you use CMake?

@xiaocer I strongly recommend to use CMake to build your own program. Specific options related to memory alignment (SSE, AVX, AVX2) need to be set such that your program is...

I am closing this issue, assuming that the advice helped solve your problem.