[ITK-users] [ITK] reference for setting versor components

[Andrew Harris]

Hi Ziv, thanks for the response.  There is no SetMatrix method directly
stated in the API, is it maybe inherited from a super class?

--

AH


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On Fri, May 12, 2017 at 10:18 AM, Yaniv, Ziv Rafael (NIH/NLM/LHC) [C] <
zivrafael.yaniv at nih.gov> wrote:

> As far as I remember this class has a SetMatrix method, just be careful as
> the rotation will be around a given center.
>
>
>
> The ITK global domain transformations are all of the form A(x-c) + t + c
>  , with the nomenclature being A: matrix, c: center, t: translation, and
> offset: t+c-Ac
>
>
>
>      hope this helps
>
>            Ziv
>
>
>
>
>
> *From: *Andrew Harris <aharr8 at uwo.ca>
> *Date: *Friday, May 12, 2017 at 10:06 AM
> *To: *Insight-users <insight-users at itk.org>
> *Subject: *[ITK-users] [ITK] reference for setting versor components
>
>
>
> Hello,
>
> I'm hoping someone has a reference that will allow me to convert from a
> 3X3 rotation matrix to a 3-member versor rotation for the purposes of
> setting a known rotation about one axis as an initialization.  For
> instance, if I wanted the equivalent of a 10 degree rotation about the
> x-axis, I can build a 3X3 rotation matrix using sines and cosines, but the
> project I'm working on is using VersorRigid3DTransform as the transform
> type for the registration, so I'd like to use that for the initial
> transform.
>
>
>
> Any help is appreciated, thanks.
>
> --
>
> AH
>
>
>
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> *This email and any attachments thereto may contain private,
> confidential, and privileged materials for the sole use of the intended
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