Hi all, Also deep in our recent long thread about removing drivers from GDAL is mention of a new PR for a "zarr" driver.
https://github.com/OSGeo/gdal/pull/3411 I'd like to see more discussion of the scope of this work and plans for future development and support before a zarr driver is added to GDAL. Is the zarr driver not going to support version 2 of the zarr spec? I that v2 would be difficult to implement as a GDAL driver as it is extremely flexible and extensible. For example, I've written custom compressor and storage for use in a project at work and can't imagine how a driver written in C++ would understand it. Is the zarr driver based on https://zarr-specs.readthedocs.io/en/core-protocol-v3.0-dev/protocol/core/v3.0.html? That work seems not yet finished. Is it premature to add a driver to GDAL for a format that isn't yet specified and may yet be changed? Or should we expect only minor changes at this point? -- Sean Gillies
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