Description
Datatree provides hierarchical data structure, more flexible than a single xarray.Dataset object. It is able to represent netCDF files / Zarr stores with multiple nested groups in a single in-memory object, but datatree.DataTree objects have many other uses, such as:
* organising many related datasets, e.g. results of the same
experiment with different parameters, or simulations of the same
system using different models,
* analysing similar data at multiple resolutions simultaneously,
such as when doing a convergence study,
* comparing heterogenous but related data, such as experimental
and theoretical data, I/O with nested data formats such as
netCDF / Zarr groups.
The approach used is based on benbovy's DatasetNode example, the basic idea is that each tree node wraps a up to a single xarray.Dataset. The differences are that datatree:
* uses a node structure inspired by anytree for the tree,
* implements path-like getting and setting,
* has functions for mapping user-supplied functions over every
node in the tree,
* automatically dispatches some of xarray.Dataset's API over every
node in the tree (such as .isel),
* has a bunch of tests,
* has a printable representation
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Homepage
https://github.com/xarray-contrib/datatree
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