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Changes for minor release #353

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Dec 2, 2024
+15 −4
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Changes for minor release #353

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19 changes: 15 additions & 4 deletions quartical/data_handling/angles.py
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Original file line number Diff line number Diff line change
Expand Up @@ -22,12 +22,18 @@
def assign_parangle_data(ms_path, data_xds_list):

anttab = xds_from_storage_table(ms_path + "::ANTENNA")[0]
feedtab = xds_from_storage_table(ms_path + "::FEED")[0]
feedtab_xdsl = xds_from_storage_table(
ms_path + "::FEED",
group_cols="__row__"
)
fieldtab = xds_from_storage_table(ms_path + "::FIELD")[0]

# We do the following eagerly to reduce graph complexity.
feeds = feedtab.POLARIZATION_TYPE.values
unique_feeds = np.unique(feeds)
unique_feeds = {
pt
for xds in feedtab_xdsl
for pt in xds.POLARIZATION_TYPE.values.ravel()
}

if np.all([feed in "XxYy" for feed in unique_feeds]):
feed_type = "linear"
Expand All @@ -38,12 +44,17 @@ def assign_parangle_data(ms_path, data_xds_list):

phase_dirs = fieldtab.PHASE_DIR.values

receptor_angles = da.concatenate(
[xds.RECEPTOR_ANGLE.data for xds in feedtab_xdsl],
)
receptor_angles = receptor_angles.rechunk((-1, -1))

updated_data_xds_list = []
for xds in data_xds_list:
xds = xds.assign(
{
"RECEPTOR_ANGLE": (
("ant", "feed"), clone(feedtab.RECEPTOR_ANGLE.data)
("ant", "feed"), clone(receptor_angles)
),
"POSITION": (
("ant", "xyz"),
Expand Down