IMAQ Unwrap has some interpolation options disabled

[nanocyte]

I'm using 2018. I'm wondering why some of the options are disabled. I don't really need them at the moment but I thought it was odd:

[DigDoug]

Hi nanocyte,

Thanks a lot for bringing this to our attention. This does not seem like expected behavior to me, so I am going to file a corrective action report (CAR) with our vision R&D team to investigate. 

Have a great day,