Le 22/09/2018 à 14:32, clipka a écrit :
> Am 22.09.2018 um 13:49 schrieb Mike Horvath:
>> Is it possible to extract the Euler rotation amounts from a unit vector?
>> Is there a command that does this? Thanks.
> 
> A unit vector by itself is not enough to fully specify a free rotation
> in 3D space; you need two vectors for that.
> 
> Most notably, a single unit vector representation would allow for
> arbitrary rotations around the direction of that vector.
> 
I think he wanted something along Reorient_Trans(Axis1, Axis2) (from
transform.inc) with Axis1 = x and Axis2 his unit vector.

But expressing the transformation as the Euler angles.

Yet, as spotted, a second vector (perpendicular) is needed for complete
non-ambiguous computation.

x,y --> v1,v2

Post a reply to this message