Merge branch 'geophys_chan_names' into 'master'

Adjust what channel names are considered geophysical channels, and responses fetched from NRL.

See merge request lloyd/nexus!4

conda-recipe/meta.yaml

 package:
   name: nexus-passoft
-  version: "2020.225"
+  version: "2021.089"
 
 source:
   path: ../

nexus/hardware.py

@@ -22,6 +22,28 @@ resp_dir = os.path.join(etc_dir, 'SOH_RESP')
 defaultsfile = os.path.join(etc_dir,'nexus.hardware')
 
 
+def chan_name_is_geophysical(channel_code):
+    '''
+    Returns true if channel code is determined to be a waveform which response
+    should be fetched from the NRL i.e. Not a SOH channel.
+    '''
+    band = channel_code[0]
+    instrument = channel_code[1]
+    orientation = channel_code[2]
+    
+    # Band codes from SEED Manual excluding A & O
+    if band in 'FGDCESHBMLVURPTQ':
+        # Seismic instrument codes
+        if instrument in 'HLGNP':
+            if orientation in 'ZNE12':
+                return True
+        # Infrasound / pressure / hydrophone
+        if instrument in 'D':
+            if orientation in 'OIDFHU':
+                return True
+    return False
+
+
 class PlaceHolder(Enum):
     GAIN = 1
     SR = 2

nexus/obspyImproved.py

@@ -408,7 +408,7 @@ class InventoryIm(Inventory):
                 continue
             dl = DLS.get(chan.data_logger.type)
             # Geophysical seismic channel use sensor and datalogger
-            if chan.code[1] in ('H', 'L', 'G','N'):
+            if hardware.chan_name_is_geophysical(chan.code):
                 if not (hasattr(chan.sensor, 'type') and
                         chan.sensor.type in SENSORS.names()):
                     print ('Sensor not defined, skipping.')