<div dir="ltr">Hi, <div><br></div><div>these files don't present to GDAL with a CRS, but it seems not out of place to assume that they can use 'oSRS.SetWellKnownGeogCS("WGS84")', when no other indication is found and there are dimensions 'lon,lat' or 'longitude,latitude'</div><div><br></div><div><a href="https://www.ncei.noaa.gov/data/sea-surface-temperature-optimum-interpolation/v2.1/access/avhrr/">https://www.ncei.noaa.gov/data/sea-surface-temperature-optimum-interpolation/v2.1/access/avhrr/</a><br clear="all"><div><br></div><div>An example sds specifically: </div><div><br></div><div>/vsicurl/NETCDF:"/vsicurl/<a href="https://www.ncei.noaa.gov/data/sea-surface-temperature-optimum-interpolation/v2.1/access/avhrr/202202/oisst-avhrr-v02r01.20220201.nc">https://www.ncei.noaa.gov/data/sea-surface-temperature-optimum-interpolation/v2.1/access/avhrr/202202/oisst-avhrr-v02r01.20220201.nc</a>":sst</div><div><br></div><div>Would that be reasonable? Perhaps controlled by an env var? Is there an established control for this I'm missing? (I'm not looking for '-a_srs' or VRT, I want the auto-detection to work for these and many other similar file sources without augmentation). </div><div><br></div><div>(It's not out of the question that I could submit a PR for this, just flagging discussion in case I'm missing something.)</div><div><br></div><div>Thanks. </div><div><br></div><div>Best, Mike</div><div><br></div><div><br></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature">Michael Sumner<br>Software and Database Engineer<br>Australian Antarctic Division<br>Hobart, Australia<br>e-mail: <a href="mailto:mdsumner@gmail.com" target="_blank">mdsumner@gmail.com</a></div></div></div>