Unable to open grib files with irregularly spaced grids?

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Andreas Baas
Andreas Baas 2025-5-14
评论： Andreas Baas 2025-5-14
I want to access data in grib files using readgeoraster. The function can indeed open grib files with data on a regular grid (in my case an ERA5-reanalysis variable at 0.1 degr x 0.1 degr spacings, from the CDS), but it appears to fail when trying to open a grib file with data on an irregular grid (in my case an ERA5 reanalysis variable distributed over a sparse Gaussian grid, N320, also from the CDS).
The error message I get is:
Error using georasterinfo (line 45); Unable to read 'download.grib'. Format might not be supported, file might be corrupt, or a supporting file might have been specified.
Is this a known problem?
What to do about it? Should I file a bug report?

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