Re: Rotation matrix definition

[Carlo de Falco]

Il 21 nov 2019 12:26, Carlo De Falco <address@hidden> ha scritto:

If I understand correctly what you mean this question/answer on stackexchange may help you [1].
Otherwise you need to better formalize your question to get a reply.
c.

[1] https://math.stackexchange.com/questions/180418/calculate-rotation-matrix-to-align-vector-a-to-vector-b-in-3d/897677#897677

And if you are OK with using homogeneous coordinates the problem discussed in that post can be simply implemented as

  T = vecrot (pi, (v + [1; 0; 0])/2)

Where I have assumed v is the name of the vector you want to align your x-axis with.

c.