[Insight-developers] API Change breaks backward compatibility

[Kent Williams]

In looking at SNAP, it looks like SNAP uses ITK_CoordinateOrientation to 
determine an images anatomical orientation. I haven't used SNAP, but I 
would think SNAP should be using the Direction Cosines instead of the 
MetaDataDictionary to find an image's orientation.

The other use of ITK_CoordinateOrientation, in the 
itkVoxBoCUBImageIO.cxx doesn't set the Direction Cosines either.

I can fix SNAP, but the question is should I?  I reckon Paul Yushkevich 
is on this list, maybe he has an opinion?

Lorensen, William E (GE, Research) wrote:

>Kent,
>
>Your recent changes to itkIOCommon.h to deprecate ITK_Orientation violate our backward compatibility policy. User programs that access that variable will no longer compile.
>
>For example, the SNAP application in InsightApplications will not compile with these changes.
>
>See
>http://www.insightsoftwareconsortium.org/wiki/index.php/Administration-BackwardCompatibility
>
>In particular,
>
>http://www.insightsoftwareconsortium.org/wiki/images/4/46/APIChangePolicy.pdf
>
>Please revert the changes until we can find a solution that maintains backward compatibility.
>
>Thanks,
>
>Bill
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