[Insight-users] mistake in the example code?

[Luis Ibanez]

Hi Grace,

Please read the ITK Software Guide


    http://www.itk.org/ItkSoftwareGuide.pdf


In particular Section 8.3,
"Features of the Registration Framework",
  pdf-page 356-361.

You must pay particular attention to section
that discusses the *direction* of the transform.

This section will explain you why the direction
of the translation is from the center of the Fixed
image to the center of the Moving image.


   Regards,


     Luis



----------------
Grace Chen wrote:
> Hi there,
>  
> In the itk example codes, ImageRegistration5.cxx, the translation was 
> set like this:
>  
> transform->SetTranslation( centerMoving - centerFixed );
>  
> where centerMoving is the center of the moving image and centerFixed is 
> the center of the fixed image.  Since translation maps moving image to 
> the fixed image, shouldn't the translation of the transform 
> be "centerFixed - centerMoving"?
>  
> Thanx!
>  
> Grace
>  
> 
> 
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