ENH: Add value for GINI field Percent Normal TPW

This was found based on information in SCN20-03; channel 60 was previously unknown, and not even found by Unidata's ingest code.
Kimizhao · Oct 1, 2020 · 3b9904c · 3b9904c
1 parent 92c134e
commit 3b9904c
Showing 4 changed files with 11 additions and 2 deletions.
diff --git a/src/metpy/io/gini.py b/src/metpy/io/gini.py
@@ -49,7 +49,7 @@ def _name_lookup(names):
     mapper = dict(zip(range(len(names)), names))
 
     def lookup(val):
-        return mapper.get(val, 'Unknown')
+        return mapper.get(val, 'UnknownValue')
     return lookup
 
 
@@ -101,7 +101,8 @@ class GiniFile(AbstractDataStore):
                 'Sounder (9.71 micron)', 'Sounder (7.43 micron)', 'Sounder (7.02 micron)',
                 'Sounder (6.51 micron)', 'Sounder (4.57 micron)', 'Sounder (4.52 micron)',
                 'Sounder (4.45 micron)', 'Sounder (4.13 micron)', 'Sounder (3.98 micron)',
-                'Sounder (3.74 micron)', 'Sounder (Visible)']
+                # Percent Normal TPW found empirically from Service Change Notice 20-03
+                'Sounder (3.74 micron)', 'Sounder (Visible)', 'Percent Normal TPW']
 
     prod_desc_fmt = NamedStruct([('source', 'b'),
                                  ('creating_entity', 'b', _name_lookup(crafts)),

diff --git a/src/metpy/static-data-manifest.txt b/src/metpy/static-data-manifest.txt
@@ -11,6 +11,7 @@ Level2_KFTG_20150430_1419.ar2v 77c3355c8a503561eb3cddc3854337e640d983a4acdfc27bd
 Level3_Composite_dhr_1km_20180309_2225.gini 19fcc0179c9d3e87c462262ea817e87f52f60db4830314b8f936baa3b9817a44
 NAM_test.nc 12338ad06d5bd223e99e2872b20a9c80d58af0c546731e4b00a6619adc247cd0
 NHEM-MULTICOMP_1km_IR_20151208_2100.gini c144b29284aa915e6fd1b8f01939c656f2c72c3d7a9e0af5397f93067fe0d952
+PR-NATIONAL_1km_PCT_20200320_0446.gini 7a868670beeb037da10510e5ae8c53199b57a0efa8cc080dafd92d0d1dc8280e
 SFC_obs.csv 582d434442880f8414a555f22f7faf9b07b1170f390628e68c5c182e4431f426
 TDAL20191021021543V08.raw.gz db299c0f31f1396caddb92ed1517d30494a6f47ca994138f85c925787176a0ef
 UPA_obs.csv 106fa93db40f32cf7cb5e969e5dacb3d4e3387f7a3379ba90cc15149754fc640

diff --git a/staticdata/PR-NATIONAL_1km_PCT_20200320_0446.gini b/staticdata/PR-NATIONAL_1km_PCT_20200320_0446.gini
diff --git a/tests/io/test_gini.py b/tests/io/test_gini.py
@@ -175,3 +175,10 @@ def test_unidata_composite():
 
     # Check data value
     assert 66 == f.data[2160, 2130]
+
+
+def test_percent_normal():
+    """Test reading PCT products properly."""
+    f = GiniFile(get_test_data('PR-NATIONAL_1km_PCT_20200320_0446.gini'))
+
+    assert f.prod_desc.channel == 'Percent Normal TPW'