Fix data masking to preserve dtype

pnuu · Nov 11, 2024 · cbc872e · cbc872e
1 parent d809f1e
commit cbc872e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/satpy/readers/mersi_l1b.py b/satpy/readers/mersi_l1b.py
@@ -182,7 +182,7 @@ def _mask_data(self, data, dataset_id, attrs):
             attrs["_FillValue"] = fill_value
             new_fill = data.dtype.type(fill_value)
         else:
-            new_fill = np.nan
+            new_fill = np.float32(np.nan)
         try:
             # Due to a bug in the valid_range upper limit in the 10.8(24) and 12.0(25)
             # in the HDF data, this is hardcoded here.