http://qs1969.pair.com?node_id=835324


in reply to Re: Rotate a 3D vector
in thread Rotate a 3D vector

Sorry for bumping an old thread.. i hope this saves a bit of someones time: Ry is wrong, it should be:
cos(th) 0 sin(th) 0 1 0 -sin(th) 0 cos(th)
rgds, Mitja