[vtkusers] Scale an image.

[Ana Sandro]

Hello everybody,

    My question is how to make an image bigger or smaller without using an 
actor?.
I use vtkImageviewer2 to visualize the final image and what I put into it is 
this image blendeed with another one.So, I need to sclae one of them in 
order to they both have the same size before to put them into 
vtkImageBlend.I have problems to apply vtkTransform.Someone could help 
me?I'd be so gatefull.
Thank you to all.

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