What does the automatic rectification method do?

Phil CrossleyPhil Crossley Global Mapper UserPosts: 4
Hi. I'm new to GMapper and georeferencing, but would like to understand better what the "automatic" rectification method is, and in particular, how sensitive is it to where my control points are within the unreferenced image (I understand that it processes differently according to how many points I use)?

thanks,
Phil Crossley
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