I recently stumbled over the method TVector3::RotateUz(), which did not work as expected for us. I understand that the class TVector3 is legacy, but it is still in the ROOT distribution, and we are making use of it. The documentation says: v1.RotateUz(direction) transforms from the rotated frame …

I agree, thanks for the feedback. Clarifying the documentation is thus the best way to go.

TVector3::RotateUz

ferhue May 23, 2025, 3:31pm 4

If there is a bug in this function, it should be also reported to the Geant4 version: