Tidy up offset from api

make_sigmf.py

@@ -85,7 +85,15 @@ def make_sigmf(iqfile, no_rename=False):
         global_meta[
             "camras:pointing:az_deg"] = f"{(pointingdata['az'] + 180) % 360:.4f}"
         global_meta["camras:pointing:el_deg"] = f"{pointingdata['el']:.4f}"
-        global_meta["camras:offset_str"] = f"{pointingdata['offset']}"
+        if pointingdata['offset'].strip() == "":
+            offset_az_deg = 0
+            offset_el_deg = 0
+        else:
+            offset_az_str, offset_el_str = pointingdata['offset'].split(',')
+            offset_az_str = offset_az_str.strip().rstrip('°')
+            offset_el_str = offset_el_str.strip().rstrip('°')
+            global_meta["camras:pointing:offset:az_deg"] = offset_az_str
+            global_meta["camras:pointing:offset:el_deg"] = offset_el_str
         global_meta["camras:pointing:datetime"] = Time.now(
         ).iso[:19]  # Pointing is only accurate to the second
     else:
@@ -96,10 +104,10 @@ def make_sigmf(iqfile, no_rename=False):
             "camras:pointing:az_deg"] = f"{(dt.az.value + 180) % 360:.4f}"
         global_meta["camras:pointing:el_deg"] = f"{dt.el.value:.4f}"
         global_meta[
-            "camras:pointing:offset_az_deg"] = f"{dt.offset_az.value:.4f}"
+            "camras:pointing:offset:az_deg"] = f"{dt.offset_az.value:+.4f}"
         global_meta[
-            "camras:pointing:offset_el_deg"] = f"{dt.offset_el.value:.4f}"
-        global_meta["camras:focusbox_position"] = f"{dt.focusbox_pos:.3f}"
+            "camras:pointing:offset:el_deg"] = f"{dt.offset_el.value:+.4f}"
+        global_meta["camras:focusbox_position_m"] = f"{dt.focusbox_pos:.3f}"
 
         global_meta["camras:pointing:datetime"] = Time.now(
         ).datetime.isoformat()