Re: Rotation matrix definition

[Carlo De Falco]

> Il giorno 21 nov 2019, alle ore 12:11, Farzad Torabi <address@hidden> ha 
> scritto:
> 
> dear Carlo
> 
> I don't know the expected results, I am looking to know how to calculate 
> them. I think my doubt is here : given that I have two points on the X axis 
> of the new CS,  I suppose that I should calculate the angles of this vector 
> with global axis and plus the translations ( if they happened in CS 
> transformation). but then for the rotation matrix, given that I know the 
> first input,  how do I define the rotation order for rotation matrix ?


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