[PROJ] proj8 and NAD27 <-> NAD83 transform

[Even Rouault]

Le 03/06/2021 à 12:37, Kirk Waters - NOAA Federal a écrit :
> Even,
> Thank you very much, that's very helpful. It's along the lines of what 
> I was thinking was the problem, but I hadn't gotten far enough to 
> realize I could add an entry in the database. The other option is to 
> figure out the right EPSG code to pass to GDAL to pretend the 
> transform has already happened.

If you use gdalwarp, you can lie a bit and set -s_srs EPSG:2273 to force 
"NAD83 / South Carolina (ft)" as the source CRS, and then you'll get the 
transformation to NAD27 using the CONUS grid.

Even


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