Re: [gdal-dev] discussion on xarray and the missing abstract-grid specification

2024-04-03 Thread Michael Sumner via gdal-dev
ah thanks Even, I understand that and it was the first example that Ryan acknowledged was a problem a while back - he'd seen the Float32 problem in GHRSST. Excellent to get your take and the details. I've written up a small description of how this affects GHRSST, and my still-undecided next step t

Re: [gdal-dev] discussion on xarray and the missing abstract-grid specification

2024-04-03 Thread Even Rouault via gdal-dev
Hi, Not that I've a strong opinion on what GeoZarr/XArray should do, but yes 1D coordinate arrays are a bit of a pain to deal with, when they actually just encode a regularly spaced grid. This is something I've hit in the bridge between the GDAL multidimensional API (roughly netCDF based) and

[gdal-dev] discussion on xarray and the missing abstract-grid specification

2024-04-03 Thread Michael Sumner via gdal-dev
Here's an (ahem) extremely important discussion on the prospects for xarray to extend from the coordinates-only model (like that of netcdf) for geo reference: https://discourse.pangeo.io/t/example-which-highlights-the-limitations-of-netcdf-style-coordinates-for-large-geospatial-rasters/ I'm heart