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Showing content from https://github.com/pydata/xarray/issues/8747 below:

Datatree design discussions - weekly meeting · Issue #8747 · pydata/xarray · GitHub

In the bi-weekly dev meeting today we agreed that deliberate higher-level discussions of datatree's design would be useful. (i.e. we're not worried about our ability to write high-quality code, so let's focus review time more explicitly on the high-level design questions.)

This could take the form of me just talking through what I did in a certain part of the code and why, or a targeted discussion on specific design questions that I was never quite sure about. Some examples of the latter, as food for thought:

• Inheritance of dimension coordinates from parent nodes? Resolve dimension coordinates from parents xarray-contrib/datatree#297
• Symbolic links? Allow symbolic links between nodes xarray-contrib/datatree#5 (we decided this was overkill)
• Is dt.ds ugly? See also the difference between dt.ds and dt.to_dataset() Tree linkage + dataset in one object nonideal for UI tree view xarray-contrib/datatree#303 (comment)
• Which methods should map over the subtree and which shouldn't? (can't find the issue for this one)
• Ignore missing dims when mapping over subtree? Ignore missing dims when mapping over tree xarray-contrib/datatree#67
• API for sub-tree selection Tree-aware dataset handling/selection xarray-contrib/datatree#254
• API for merging leaves API for collapsing subtrees xarray-contrib/datatree#192
• Dict-like interface ambiguities Consistency between __contains__ and __getitem__ xarray-contrib/datatree#240
• The tree broadcasting rabbit hole Tree "broadcasting" xarray-contrib/datatree#199
• Relationship between datatree and catalogs Intake, catalogs, and datatree xarray-contrib/datatree#134
• Should xr.concat/xr.merge accept DataTree objects? (and map over them by default?) Support DataTree in Xarray's top level functions #9106

There was also this design doc I wrote at one point

@flamingbear are you free at 11:30am EST on Tuesday each week? @shoyer, @keewis and I are all free then. Others also welcome (e.g. @owenlittlejohns , @eni-awowale, @etienneschalk), but not required :)

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