Super basic question and I think the answer is going to just be “yes” but it wasn’t immediately obvious to me from a quick peek in the code. When you spiceinit a cub and cam2map it, does the projection use altitude values from the selected ShapeModel? Just looking for reassurance 
yes. You can confirm what shape is being used by looking for the ShapeModel keyword in the Kernels group on the image label. User perspective here, not looking at any code.
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