[gdal-dev] Reading NetCDF files from EPA RSIG

[Even Rouault]

Kodi,

this is indeed a netCDF file, but not a gridded one. It is recgonized by 
the vector side of GDAL (ogrinfo) as a layer of points. You could use it 
as the input of the gdal_grid utility to create a gridded raster file

Even

Le 11/05/2022 à 19:55, Kodi Arfer a écrit :
> Looking at some NetCDF files produced by EPA RSIG, which is described at
>
> https://www.epa.gov/hesc/web-access-rsig-data
>
> I've found that GDAL 3.4.3 doesn't recognize them as readable at all 
> ("ERROR 4: `rsig.nc' not recognized as a supported file format."), 
> although I can open them with e.g. the R library `ncdf4`. You can get 
> a 400-kb example file at
>
> https://ofmpub.epa.gov/rsig/rsigserver?SERVICE=wcs&VERSION=1.0.0&REQUEST=GetCoverage&COVERAGE=tropomi.offl.no2.nitrogendioxide_tropospheric_column&minimum_quality=50&BBOX=-70,24,-65,30&TIME=2019-11-01T00:00:00Z/2019-11-01T23:00:00Z&FORMAT=netcdf-coards 
>
>
> I spoke to an administrator of the service and he believes that valid 
> NetCDF is being produced. Any idea what's going on?
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