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Fix for issue 3388 #3389

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Merged
bryan-harter merged 1 commit into from
Aug 20, 2026
Merged

Fix for issue 3388 #3389

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11 changes: 9 additions & 2 deletions imap_processing/lo/l1a/lo_l1a.py
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Original file line number Diff line number Diff line change
Expand Up @@ -90,8 +90,15 @@ def lo_l1a(dependency: Path) -> list[xr.Dataset]:
ds = combine_segmented_packets(ds)

ds = parse_events(ds, attr_mgr)
ds = add_dataset_attrs(ds, attr_mgr, logical_source)
datasets_to_return.append(ds)
if ds["de_count"].sum() == 0:
# No direct events were reported in any of the ASC groups. The
# per-event variables would all be zero length, which cannot be
# written to a CDF, so skip the product entirely. This matches the
# behavior for a file with no ILO_SCI_DE packets at all.
logger.info("No direct events found. Skipping the DE data product.")
else:
ds = add_dataset_attrs(ds, attr_mgr, logical_source)
datasets_to_return.append(ds)
if LoAPID.ILO_STAR in datasets_by_apid:
logger.info(
f"\nProcessing {LoAPID(LoAPID.ILO_STAR).name} "
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