[Insight-users] Euler2dtransform, Fixed Center Affine transform

[Luis Ibanez]

Hi Rupert,

This has been fixed recently:

http://www.itk.org/cgi-bin/viewcvs.cgi/Code/Common/itkEuler2DTransform.h?root=Insight&sortby=date&r2=1.12&r1=1.11
http://www.itk.org/cgi-bin/viewcvs.cgi/Code/Common/itkEuler2DTransform.txx?root=Insight&sortby=date&r2=1.18&r1=1.17

The itkEuler2DTransform now derives from the Rigid2DTransform
and takes advantage of its computations for Center of Rotation.

Please update your checkout of ITK to a date posterior to
August 11th 2005, or if you are willing to wait for 8 days,
you can hold until ITK 2.2 is released on August 30th.


Regards,


Luis



--------------------
Rupert Brooks wrote:
> Hi,
> 
> I am using the Euler2Dtransform, and i have noticed that it always rotates
> around [0,0].  What i would like it to do is rotate around
> a center specified using the SetCenter() function.  The Centered Rigid2D
> transform is not really what i want, as i dont want to optimize over the
> center of rotation.
> 
> Note that this behavior is different than the AffineTransform, which
> changes accordingly when a center of rotation is specified.
> 
> So i was wondering
>  - is this the intended behavior of the Euler2Dtransform?(IE, if i
> implement the center of rotation stuff, should i develop a new class or fix
> Euler2D)
>  - Since the Affine transform supports this, what is the purpose of the
> FixedCenterOfRotationAffineTransform?
> 
> Thanks
> Rupert B.
> --------------------------------------------------------------------------------------
> Rupert Brooks                                     For every complex question
> rbrooks at cyberus.ca                            there is a simple and wrong solution
> www.cyberus.ca/~rbrooks                     --A. Einstein
> 
> 
> 
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