From 5f23741ddfc4396666dcd276e03bce9b68072d75 Mon Sep 17 00:00:00 2001
From: Rolf Reichle <54944691+gmao-rreichle@users.noreply.github.com>
Date: Thu, 15 Jun 2023 21:12:39 -0400
Subject: [PATCH] edited comments and clean exit message (remap_catchANDcn.py)

---
 pre/remap_restart/remap_catchANDcn.py | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/pre/remap_restart/remap_catchANDcn.py b/pre/remap_restart/remap_catchANDcn.py
index 62b25fe..b91115b 100755
--- a/pre/remap_restart/remap_catchANDcn.py
+++ b/pre/remap_restart/remap_catchANDcn.py
@@ -55,9 +55,11 @@ def remap(self):
      surflay    = config['output']['surface']['surflay']
      in_tilefile = config['input']['surface']['catch_tilefile']
 
+     # determine NPE based on *approximate* number of input and output tiles
+      
      if not in_tilefile :
         if not in_bcsdir:
-           exit("You need to provide either input tile file or the input bcs directory")
+           exit("Must provide either input tile file or input bcs directory")
         in_tilefile  = glob.glob(in_bcsdir+ '/*.til')[0]
 
      out_tilefile = config['output']['surface']['catch_tilefile']
@@ -77,11 +79,11 @@ def remap(self):
        out_tilenum = int(next(f))
      max_tilenum = max(in_tilenum, out_tilenum)
      NPE = 0
-     if (max_tilenum <= 112573): #M36
+     if   (max_tilenum <=  112573) : # no more than EASEv2_M36
         NPE = 40      
-     elif (max_tilenum <= 1684725) : #M09
+     elif (max_tilenum <= 1684725) : # no more than EASEv2_M09
         NPE = 80
-     elif (max_tilenum <= 2496756) : #C720
+     elif (max_tilenum <= 2496756) : # no more than C720
         NPE = 120
      else:
         NPE = 160