Giorgianni was the Designer of Kodak's PhotoCD so no its not just about analogue, I think your missing a few parts to the puzzle and you would enjoy that book and it would assist you greatly.
Star wars like most films shot of film in the last twenty years was scanned using Kodak Cineon or DPX system. This is something I understand well, as it is one of the few processes that is very well documented. A cineon scanner records what is referred to as print density, it uses 10bit per channel to record the density, the density measurements are calibrated as if the negative was printed on Vision 2 print stock (the stock that existed at the time) resulting in neutral grey on the print stock which can be measure using status-a measurements. These density measurements are not the same as status-m or typical measurements of the negative, but what the resultant print density would be. It was designed originally as an analogue to analogue system, with a digital intermediate.
It was from these 10bit density measurements that a CLUT can used to convert to digital projection, or digital effects can be mixed in and the whole thing output back to 10bit density measurements and printed on print stock.
I understand the concept of mapping but also what I what I was trying to point out is that you need more than an IT8 target (which is not designed for this purpose) to do it properly.
My own solution is based on the cineon documentation, and I am currently attempting to use a macbeth color checker photographed and printed on RA-4 paper and measured with a colour meter as well comparisons with fuji frontier, and noritsu scans to calibrate my own output.
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