How to find neighbours points within a given radius through OCTree in Open3D?

[shw-how]

Checklist

• [X] I have searched for similar issues.
• [X] For Python issues, I have tested with the latest development wheel.
• [X] I have checked the release documentation and the latest documentation (for master branch).

My Question

Hello guys, is Open3D possible to through OCTree to find neighbours points within a given radius? Like, I can query the points with distances to the anchor point less than a given radius after building the KDTree in Open3D right now. Any help would be appreciated!

[roman-4erkasov]

@shw-how As I understand properlly, I've faced the same problem. This article helped me: https://www.open3d.org/docs/release/python_api/open3d.ml.torch.ops.radius_search.html