On Thu, 23 Sep 2004, Edmond Offermann wrote: > Hi Radbal, > > TMatrix is part of the linear algebra package . > It is not polluted and (should not) by specialized applications > like rotations, Lorentz-boosts etc . > > Since you write that you are simulating hadron showers in > a detector package, TGeoMatrix does not seem an odd choice :) > > On the other hand, setting up a rotation matrix with > for instance Euler angles is (hopefully) no biggy either for you: > > http://mathworld.wolfram.com/EulerAngles.html Hi, what about TVector3::Rotate<...> and TRotation? Cheers Gero > > --- Balint Radics <radbal@pegazus.phys.klte.hu> wrote: > > > Hello, > > > > I would like to rotate set of points (x,y,z) in 3D. Which class > > should I > > use to do that?I didn't find any rotational functions in the TMatrix > > class. > > I found general transformational functions only in the TGeoMatrix > > classes > > but that belongs to the detector geometry classes,don't they? > > Or maybe I am wrong. > > And do you have little example scripts for matrix transformation? > > I mean general rotation or translation functions.Like: > > > > m = new TMatrix(3,1,elements); > > m->Rotate(phi,theta); > > > > etc.... > > > > I am trying to MC-simulate ellipsoid showers of hadrons in a > > detector... > > > > Thanx in advance, > > > > radbal
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