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DM-52258: Only run glint detection on good diaSources #428

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Merged
isullivan merged 3 commits into from
Aug 21, 2025
Merged

DM-52258: Only run glint detection on good diaSources #428

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22c6b1f
Exclude sky sources from glint detection
isullivan Aug 20, 2025
ae850a2
Run glint detection after filtering bad diaSources
isullivan Aug 20, 2025
8fc09b0
Only set `'glint_trail'` column if there are any flagged sources.
isullivan Aug 20, 2025
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3 changes: 2 additions & 1 deletion python/lsst/ip/diffim/detectAndMeasure.py
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Original file line number Diff line number Diff line change
Expand Up @@ -906,7 +906,8 @@ def _find_glint_trails(self, diaSources):
candidateDiaSources = diaSources
trailed_glints = self.findGlints.run(candidateDiaSources)
glint_mask = [True if id in trailed_glints.trailed_ids else False for id in diaSources['id']]
diaSources['glint_trail'] = np.array(glint_mask)
if np.any(glint_mask):
diaSources['glint_trail'] = np.array(glint_mask)
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@mrawls mrawls Aug 21, 2025

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If there are in fact diaSources, and glint_mask is full of False, wouldn't this leave the column empty?

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@isullivan isullivan Aug 21, 2025

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No, diaSources['glint_trail'] is all False before this line, not empty.

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@mrawls mrawls Aug 21, 2025

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Ah ok, so self.schema.addField("glint_trail", "Flag", "DiaSource is part of a glint trail.") creates the column AND sets it default False? The more you know 🌈


slopes = np.array([trail.slope for trail in trailed_glints.parameters])
intercepts = np.array([trail.intercept for trail in trailed_glints.parameters])
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