Select Points inside a cylinder

[Gilles]

Hello everyone,

is it possible with CloudCompare to crop a Digital Surface Model with a 3D cylinder in intersection?
I have a point cloud in .Las format (my Digital Surface Model) and a 3D cylinder composed of facets in .Ply format and I would like to extract the DSM points just contained in my cylinder.

Is there an option to perform this action?

Thank you in advance for your help.

[daniel]

Yes, you just need to compute the distances between the point cloud and the cylinder (mesh). See https://www.cloudcompare.org/doc/wiki/i ... h_Distance

Then you can select the points with negative distances (should be inside the cylinder) with https://www.cloudcompare.org/doc/wiki/i ... r_by_Value

[Gilles]

Thank you very much for your answer.

This is exactly what I needed and it works great.