[Insight-developers] changes to itkImageToVectorImage

[Casey Goodlett]

Hi,

A recent change to itkImageToVectorImage has broken my application using
this filter.  The removal of the method SetNthInput causes my application to
no longer compile, because this method is defined as protected when
implemented in itkProcessObject.

It seems that SetInput can be equivalently used instead of SetNthInput , but
the documentation for ImageToVectorImageFilter uses SetNthInput in the
example usage, so maybe SetNthInput should still be restored for backwards
compatibility.

I've attached a patch for itkImageToVectorImage.h to restore SetNthInput.

Thank you.

-- 
Casey Goodlett
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