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catch when astroplan sends a masked array #407

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Apr 18, 2024
Merged

catch when astroplan sends a masked array #407

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5 changes: 4 additions & 1 deletion rubin_sim/maf/metrics/hourglass_metric.py
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Original file line number Diff line number Diff line change
Expand Up @@ -77,7 +77,10 @@ def run(self, data_slice, slice_point=None):
# pre_night MJD values
m_after = self.observer.midnight(times, "next")
m_before = self.observer.midnight(times, "previous")
midnights = np.unique(np.concatenate([m_before.mjd, m_after.mjd]))
try:
midnights = np.unique(np.concatenate([m_before.mjd, m_after.mjd]).filled(np.nan))
except AttributeError:
midnights = np.unique(np.concatenate([m_before.mjd, m_after.mjd]))
# calculating midnight can return nans? That seems bad.
midnights = midnights[np.isfinite(midnights)]
# chop off any repeats. Need to round because observe.midnight
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