Bug fix: change names of coordinates

Names of NetCDF variables in AVISO files are changed: lon to
longitude, lat to latitude. As in commit b456b50e.

Inst_eddies/Analysis/examine_ssh_values.py

@@ -8,8 +8,8 @@ import sys
 
 with netCDF4.Dataset(sys.argv[1]) as f:
     ssh = f.variables["adt"][:].squeeze()
-    longitude = f.variables["lon"][:]
-    latitude = f.variables["lat"][:]
+    longitude = f.variables["longitude"][:]
+    latitude = f.variables["latitude"][:]
 
 lon_center = float(input("longitude of center (same unit as input file) = ? "))
 lat_center = float(input("latitude of center (same unit as input file) = ? "))

Inst_eddies/Tests/test_local_extrema.py

@@ -11,8 +11,8 @@ if len(sys.argv) != 2: sys.exit("Required argument: ADT file")
 
 f= netCDF4.Dataset(sys.argv[1])
 
-longitude = f.variables["lon"][:]
-latitude = f.variables["lat"][:]
+longitude = f.variables["longitude"][:]
+latitude = f.variables["latitude"][:]
 ssh = f.variables["adt"][:].squeeze()
 
 # No extremum on borders: