ENH: added parameter to separate S1A/S1B (useful?).

s1process.py

@@ -733,10 +733,10 @@ def s1process(indir, outdir, epsg=None,
                 sys.exit('Invalid direction parameter.')
 
         if satellite != 'both':
-            safe_files_s1a, safe_files_s1b = separateAscDesc(safe_files)
-            if direction == 's1a':
+            safe_files_s1a, safe_files_s1b = separateS1AS1B(safe_files)
+            if satellite == 's1a':
                 safe_files = safe_files_s1a
-            elif direction == 's1b':
+            elif satellite == 's1b':
                 safe_files = safe_files_s1b
             else:
                 sys.exit('Invalid satellite parameter.')