Improve coordinate ordering in repr to group related coordinates #11041
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- Group non-dimension coordinates with their associated dimensions - Dimension coordinates appear first in dataset dimension order - Non-dimension coordinates are grouped by their first matching dimension - Coordinates with no matching dimensions appear at the end - Fixes pydata#11039 This makes the coordinate representation more intuitive by visually grouping related coordinates together, making it easier to understand the structure of complex datasets with many coordinates.
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The new coordinate ordering groups non-dimension coordinates right after their associated dimension coordinates. Updated doctests in: - xarray/core/common.py (assign_coords) - xarray/core/dataarray.py (DataArray class, pad, reset_coords, set_index) - xarray/core/dataset.py (Dataset class, set_index, filter_by_attrs) - xarray/structure/concat.py (concat)
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Summary #11039
This PR improves the ordering of coordinates in the string representation (
repr) of xarray objects to make them more intuitive and easier to understand by grouping related coordinates together.Problem
Previously, coordinates were ordered simply by their position in the dataset's dimension tuple, which could lead to confusing representations where related coordinates were scattered throughout the output. For example: