mat->SetRotAxis(v,f) ?

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On 25/05/2011 at 09:42, xxxxxxxx wrote:

Hi.
I'm stuck how to interpret from COFFEE:

mat->SetRotAxis(vector,float);

to the Py way of doing it.
I've made a new Matrix:

  
vec = c4d.Vector(0)   
mat = Matrix(vec,vec,vec,vec)   

and have my Rotation axis and float calculated
but where to put it?

What I've found so far in SDK is "MatrixToRotAxis(m)"
but think I need the opposite function, right?

Cheers
Lennart

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On 26/05/2011 at 04:17, xxxxxxxx wrote:

Apparently I can't figure out what m->SetRotAxis(vector, float) does
in its inner work…..

Gone thru the options in Py without any luck and tried
Quartenion Py setups from the interweb that went
way over my head and needed some external packages
such as NimPY.

Any pointers/ideas?
Hopefully I'm being stupid and totally misunderstand what
to look for.

May I say "Help!" ?

Lennart

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On 27/05/2011 at 08:53, xxxxxxxx wrote:

I fail and go for the COFFEE solution for know...

The short rephrased question would be:

Is there a function in Py that does what COFFEE: Mat->SetRotAxis(vector,real) does?

Vector being: vcross((VectorA-VectorB),vector(0,1,0))
Real being:vlen((VectorA-VectorB) / realradius)

Cheers
Lennart

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On 01/06/2011 at 09:26, xxxxxxxx wrote:

The equivalent is c4d.utils.RotAxisToMatrix and takes the same arguments.

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On 03/06/2011 at 08:57, xxxxxxxx wrote:

Thanks Sebastian, I got it working perfect now!

Cheers
Lennart