Index: wflow-py/wflow/pcrglobwb/routing.py
===================================================================
diff -u -r3e39e84af48f1bcb5ec0d243748147be223674f2 -ra2d9fd6c2cd20323a4d1f2407dff1b8d8fec4208
--- wflow-py/wflow/pcrglobwb/routing.py	(.../routing.py)	(revision 3e39e84af48f1bcb5ec0d243748147be223674f2)
+++ wflow-py/wflow/pcrglobwb/routing.py	(.../routing.py)	(revision a2d9fd6c2cd20323a4d1f2407dff1b8d8fec4208)
@@ -41,6 +41,7 @@
 
 from wflow.wf_DynamicFramework import configsection
 from wflow.wf_DynamicFramework import configget
+from wflow.wflow_lib import getgridparams
 
 
 class Routing(object):
@@ -181,7 +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.