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Account for use of reference_date property #345

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merged 7 commits into from
Sep 24, 2024
Merged

Account for use of reference_date property #345

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1c14d4e
deal with reference_date additions
wtbarnes Sep 23, 2024
90412d9
assume existence of t_obs key
wtbarnes Sep 23, 2024
ba5247a
move tests back to being strict
wtbarnes Sep 23, 2024
09825f6
allow for nonexistence of reference_date
wtbarnes Sep 23, 2024
1d1f9d8
string interp fix
wtbarnes Sep 24, 2024
6e874d0
use reference_date everywhere
wtbarnes Sep 24, 2024
30f1eb2
changelog
wtbarnes Sep 24, 2024
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14 changes: 4 additions & 10 deletions aiapy/calibrate/meta.py
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Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,7 @@ def fix_observer_location(smap):
z=smap.meta["haez_obs"] * u.m,
representation_type=CartesianRepresentation,
frame=HeliocentricMeanEcliptic,
obstime=smap.date,
obstime=smap.reference_date,
).heliographic_stonyhurst
# Update header
new_meta = copy.deepcopy(smap.meta)
Expand Down Expand Up @@ -123,16 +123,10 @@ def update_pointing(smap, *, pointing_table=None):
# NOTE: For SDO data, T_OBS is preferred to DATE-OBS in the case of the
# MPT, using DATE-OBS from near the slot boundary might result in selecting
# an incorrect MPT record.
# FIXME: Beginning in sunpy v6.0.0, AIA maps use T_OBS as the reference date
# As such, once that is the min version supported, the following lines should
# be adjusted to just use smap.reference_date
t_obs = smap.meta.get("T_OBS")
if t_obs is None:
warnings.warn(
"T_OBS key is missing from metadata. Falling back to Map.date. "
"This may result in selecting in incorrect record from the "
"master pointing table.",
AiapyUserWarning,
stacklevel=3,
)
t_obs = smap.date
t_obs = astropy.time.Time(t_obs)
t_obs_in_interval = np.logical_and(t_obs >= pointing_table["T_START"], t_obs < pointing_table["T_STOP"])
if not t_obs_in_interval.any():
Expand Down
8 changes: 0 additions & 8 deletions aiapy/calibrate/tests/test_meta.py
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Expand Up @@ -86,14 +86,6 @@ def test_update_pointing_accuracy(aia_171_map, pointing_table, t_delt_factor, ex
assert aia_map_updated.reference_pixel.y == pointing_table[expected_entry]["A_171_Y0"]
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@pytest.mark.remote_data()
def test_update_pointing_missing_tobs_raises_warning(aia_171_map, pointing_table):
# Tests that a warning is raised if T_OBS is not present.
aia_171_map.meta.pop("T_OBS")
with pytest.warns(AiapyUserWarning, match="T_OBS key is missing from metadata."):
update_pointing(aia_171_map, pointing_table=pointing_table)


@pytest.mark.remote_data()
def test_update_pointing_submap_raises_exception(aia_171_map, pointing_table):
m = aia_171_map.submap(
Expand Down
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