Make sure metadata gets copied over to altraw variables

Author: jmcvey3

mhkit/dolfyn/io/nortek2.py

@@ -450,6 +450,12 @@ def _altraw_reorg(outdat, tag=""):
         outdat["data_vars"]["samp_altraw" + tag].astype("float32") / 2**8
     )
 
+    # Make sure altraw variables get variable metadata copied over
+    for ky in ["units", "long_name", "standard_name"]:
+        for dky in list(outdat[ky]):
+            if dky.endswith("alt"):
+                outdat[ky][dky + "raw"] = outdat[ky][dky]
+
     # Read altimeter status
     outdat["data_vars"].pop("status_altraw" + tag)
     status_alt = lib._alt_status2data(outdat["data_vars"]["status_alt" + tag])