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MAG - Metadata updates (SPDF feedback, CAVA plotting) #3540

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Merged
lacoak21 merged 2 commits into from
Oct 5, 2026
Merged

MAG - Metadata updates (SPDF feedback, CAVA plotting) #3540

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575b0f7
MAG L2: switch quality_flags to UINT1 to match range and FILLVAL
jtniehof Oct 2, 2026
0d9ff8e
MAG L2: add SCALEMIN/SCALEMAX for field vectors
jtniehof Oct 5, 2026
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2 changes: 2 additions & 0 deletions imap_processing/cdf/config/imap_mag_l2_variable_attrs.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,8 @@ vector_attrs: &vectors_default
FILLVAL: -1.0e31
FORMAT: F13.5
LABL_PTR_1: direction_label
SCALEMAX: 100.0
SCALEMIN: -100.0
UNITS: nT
VALIDMAX: 1.0e+5
VALIDMIN: -1.0e+5
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2 changes: 1 addition & 1 deletion imap_processing/mag/l2/mag_l2_data.py
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Expand Up @@ -243,7 +243,7 @@ def generate_dataset(
)

quality_flags = xr.DataArray(
self.quality_flags,
self.quality_flags.astype(np.uint8),
name="quality_flags",
dims=["epoch"],
attrs=attribute_manager.get_variable_attributes("qf"),
Expand Down
6 changes: 6 additions & 0 deletions imap_processing/tests/mag/test_mag_l2.py
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Expand Up @@ -106,6 +106,8 @@ def test_mag_l2_attributes(
assert vectors_attrs["FORMAT"] == "F13.5"
assert np.isclose(vectors_attrs["VALIDMIN"], -1.0e5)
assert np.isclose(vectors_attrs["VALIDMAX"], 1.0e5)
assert np.isclose(vectors_attrs["SCALEMIN"], -100)
assert np.isclose(vectors_attrs["SCALEMAX"], 100)
expected_vector_text = {
"SRF": (
"Magnetic field in the Spacecraft Reference Frame (SRF)",
Expand Down Expand Up @@ -670,11 +672,15 @@ def test_qf(norm_dataset):
cdf_filepath = write_cdf(output)
with cdflib.CDF(cdf_filepath) as cdf_file:
qf_attrs = cdf_file.varattsget("quality_flags")
qf_info = cdf_file.varinq("quality_flags")
qf_bitmask_attrs = cdf_file.varattsget("quality_bitmask")
qf_bitmask_info = cdf_file.varinq("quality_bitmask")

assert qf_info.Data_Type_Description == "CDF_UINT1"
assert qf_attrs["FORMAT"] == "I1"
assert int(qf_attrs["VALIDMIN"]) == 0
assert int(qf_attrs["VALIDMAX"]) == 1
assert int(qf_attrs["FILLVAL"]) == 255
assert qf_bitmask_info.Data_Type_Description == "CDF_UINT2"
assert qf_bitmask_attrs["FORMAT"] == "I3"
assert int(qf_bitmask_attrs["FILLVAL"]) == 65535
Expand Down
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