Index: wflow-py/wflow/pcrglobwb/routing.py
===================================================================
diff -u -r3d36073f779f6d9a5a34f6304d8e901b65061154 -rf5f5d35e55036f2404dce79b68f562aa891f3302
--- wflow-py/wflow/pcrglobwb/routing.py	(.../routing.py)	(revision 3d36073f779f6d9a5a34f6304d8e901b65061154)
+++ wflow-py/wflow/pcrglobwb/routing.py	(.../routing.py)	(revision f5f5d35e55036f2404dce79b68f562aa891f3302)
@@ -44,7 +44,6 @@
 from wflow.wflow_lib import getgridparams
 
 
-
 class Routing(object):
 
     # TODO: remove
@@ -183,7 +182,8 @@
         )
 
         # model resolution in arc-degree unit
-        self.cellSizeInArcDeg = vos.getMapAttributes(self.cloneMap, "cellsize")
+        #self.cellSizeInArcDeg = vos.getMapAttributes(self.cloneMap, "cellsize")
+        self.cellSizeInArcDeg = round(getgridparams()[2] * 360000.) / 360000.        
 
         # maximum number of days (timesteps) to calculate long term average flow values (default: 5 years = 5 * 365 days = 1825)
         self.maxTimestepsToAvgDischargeLong = 1825.