Fwd: [Insight-users] Rotation Transform about given center of rotation

[Karthik Krishnan]

FYI: The class ScalableAffineTransform does this. It allows you to 
construct an affine matrix from a set of (anisotrpic) scales.

karthik

Ashish Poddar wrote:

> Hi Luis,
>  
> Thanks for the information, Actually I just checked the parameter list 
> in which the center was not mentioned and never explored any further...
>  
> Later I realized I will need some anisotropic scaling too !! and hence 
> I am using a small wrapper class over the affine transform itself at 
> present...
>  
> with regards,
> Ashish.
>
>  
> On 6/16/05, *Luis Ibanez* <luis.ibanez at kitware.com 
> <mailto:luis.ibanez at kitware.com>> wrote:
>
>
>     Hi
>
>     You don't need to implement any extra code.
>
>     The VersorRigid3DTransform does Translation and Rotations
>     and accept a Center of rotation.
>
>
>     Please read the Doxygen documentaion for this class
>
>     http://www.itk.org/Insight/Doxygen/html/classitk_1_1VersorRigid3DTransform.html
>     <http://www.itk.org/Insight/Doxygen/html/classitk_1_1VersorRigid3DTransform.html>
>
>
>     and its description in the ITK Software Guide
>
>
>        http://www.itk.org/ItkSoftwareGuide.pdf
>
>
>     You will also find exmples of this Transform used in the
>     registration framework.
>
>
>
>     Regards,
>
>
>
>          Luis
>
>
>
>     ---------------------------
>     Ashish Poddar wrote:
>
>> Hi,
>>
>> I am looking for some transform which should rotate about a given
>     point
>> and not the absolute center. CenteredAffineTransform givs that
>     facility
>> but it also adds the scaling and shearing effects in the image
>     which I
>> do not need. If I do not get anything probably I will have to
>     implement
>> a new transform with the combination of Versor3DRigidTransform and
>> TranslationTransform.
>>
>> I will appreciate any help in this regards.
>>
>> --
>> Ashish Poddar
>> Have an acceptable reason for accepting anything.
>> Y:ashish_poddar | MSN:ashish_poddar at yahoo.com
>     <mailto:MSN:ashish_poddar at yahoo.com>
>> <mailto:MSN <mailto:MSN>: ashish_poddar at yahoo.com
>     <mailto:ashish_poddar at yahoo.com>>
>>
>>
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>>
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>
>
>
>
>
> -- 
> Ashish Poddar
> Have an acceptable reason for accepting anything.
> Y:ashish_poddar | MSN:ashish_poddar at yahoo.com 
> <mailto:MSN:ashish_poddar at yahoo.com>
>
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