[gdal-dev] Problem opening new format ECMWF grib files

[Even Rouault]

Simon,


please find an issue about that to 
https://github.com/OSGeo/gdal/issues/new and attach a dataset 
reproducing the issue or a convenient link to such a dataset


Even


Le 11/07/2023 à 21:01, Simon Proud - STFC UKRI via gdal-dev a écrit :
> Hello,
> I'm trying to open a grib format file from ECMWF. The file is 
> generated using the ECMWF open data python library as follows:
>
> from ecmwf.opendata import Client
> client = Client()
>
> result = client.retrieve(
>     type="fc",
>     param="skt",
>     step="0",
>     target="data.grb2",
> )
>
> This produces a grib file I can read with cfgrib and eccodes but not 
> with gdal:
> >>>gdalinfo data.grib2
>       getdrstemplate: DRS Template 5.42 not defined.
>       ERROR 4: data.grib2 is a grib file, but no raster dataset was 
> successfully identified.
>              gdalinfo failed - unable to open 'data.grib2'.
>
>
> I suspect this may be due to changes in their grib format, see: 
> https://confluence.ecmwf.int/display/COPSRV/Implementation+of+IFS+cycle+48r1+for+CAMS#ImplementationofIFScycle48r1forCAMS-DefaultpackingtypesfordatafromDisseminationandMARS
>
>
> Am I correct in this assumption and, if so, is there a way around it 
> in GDAL? Otherwise, any clues what could be the problem with this grib?
>
> Thanks,
> Simon
>
> --
>
> *Dr Simon Proud (he/him)*
>
> *Senior Remote Sensing Scientist*
>
> RAL Space | National Centre for Earth Observation
> Science and Technology Facilities Council
>
> simon.proud at stfc.ac.uk<mailto:simon.proud at stfc.ac.uk> | 
> www.ralspace.stfc.ac.uk<https://www.ralspace.stfc.ac.uk/>
> Rutherford Appleton Laboratory | Harwell Campus | Didcot
>
> Tel: +44 1235 445620
>
> Twitter: @simon_sat
>
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> STFC and NCEO are part of UK Research and Innovation. 
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>
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