[PROJ] Big grid files

[Jack Riley - NOAA Federal]

>
> Are you asking:
>
>   If I want to submit a file to be part of the dataset/CDN-contents, and
>   it's in Int8, is that ok?
>

Yes


> That sounds like the total range of values across the entire grid is
> only 100 mm or so.  Is that what you mean?
>

I believe the max data range for mm precision in offset and scaled float
values into Int8 is a bit over 500 mm.  Opening the target precision up to
5 mm affords a data range of 2.5 meters into Int8:  That's my target
precision, and most of my gridded transformation components are within that
range.
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