Implement xarray as containers for data from MDSPlus#24

Draft

broantognetti wants to merge 15 commits intokuchtact:mainfrom

broantognetti:xarray-data-storage

Commits on May 20, 2024

Draft for beginning to implement xarray as containers for data from MDSPlus
broantognetti
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Added xarray to environment dependencies
broantognetti
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Commits on May 23, 2024

Introduced gather_DataArray and package_DataSet function
broantognetti
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Commits on Jun 13, 2024

Commits on Sep 6, 2024

Commits on Nov 8, 2024

Changed get to call gather_data_array directly
broantognetti
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Commits on Feb 18, 2025

Removed bug with calling for length of int (silly silly me)
broantognetti
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Commits on Mar 25, 2025

Intermediate commit for moving repo around on MST server
Ben Antognetti
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Merge branch 'xarray-data-storage' of github.com:broantognetti/WiPPLPy into xarray-data-storage
Ben Antognetti
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Commits on May 27, 2025

Returned get to old way
Ben Antognetti
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Commits on Jun 26, 2025

First functioning Data class with xarray capability
Ben Antognetti
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Commits on Jun 27, 2025

Added first example of diagnostic definition
Ben Antognetti
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