[ITK] [ITK-users] simpleitk image casting?

[Robert.Atwood at diamond.ac.uk]

Hi,
I have just discovered the iPython + simpleITK combination and may very well reduce a lot of barriers to the general use of ITK here by virtue of being 'simple' and working very well with NumPy 


However, I was just trying to implement a relatively simple algorithm previously programmed not using ITK at all .. in this I require the results of the gradient filter interpreted such that the horizontal gradient is the real part of a complex number and the vertical gradient is the imaginary part. I cannot figure out a 'simple' way to do this, can this be done within sitk or must I extrac the array , manipulate it in Numpy , and load it back as an  (complex) image?  Then the script is much less 'simple'!

Thanks in advance 
A SimpleITK convert ! 

Robert
 



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