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Solve naming conflict for using cross_section on ICON data #1426

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tdoerff wants to merge 3 commits into from
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Solve naming conflict for using cross_section on ICON data #1426

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d016265
add a working fix for icon grid cross_section
Dec 11, 2025
7e004b7
Merge branch 'UXARRAY:main' into bugfix/lat_lon_keys_cross_section
tdoerff Dec 12, 2025
3aacdf2
Merge branch 'main' into bugfix/lat_lon_keys_cross_section
erogluorhan Dec 15, 2025
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19 changes: 17 additions & 2 deletions uxarray/cross_sections/dataarray_accessor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -136,9 +136,24 @@ def __call__(
# index along the arc
coords[new_dim] = np.arange(steps)

# Grids might come with either coords "lat"/"lon" or "clat"/"clon". Find the right
# keys for setting the new coords along the cross section to avoid naming conflics.
lat_key_cands = [key for key in coords.keys() if "lat" in key]
lon_key_cands = [key for key in coords.keys() if "lon" in key]

if len(lat_key_cands) == 0:
lat_key = "lat"
else:
lat_key = lat_key_cands[0]

if len(lon_key_cands) == 0:
lon_key = "lon"
else:
lon_key = lon_key_cands[0]

# attach lat/lon vectors
coords["lat"] = (new_dim, points_latlon[:, 1])
coords["lon"] = (new_dim, points_latlon[:, 0])
coords[lat_key] = (new_dim, points_latlon[:, 1])
coords[lon_key] = (new_dim, points_latlon[:, 0])

return xr.DataArray(
data,
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