Index: /issm/trunk-jpl/src/m/classes/mesh2d.py
===================================================================
--- /issm/trunk-jpl/src/m/classes/mesh2d.py	(revision 22326)
+++ /issm/trunk-jpl/src/m/classes/mesh2d.py	(revision 22327)
@@ -97,5 +97,5 @@
 		md = checkfield(md,'fieldname','mesh.average_vertex_connectivity','>=',9,'message',"'mesh.average_vertex_connectivity' should be at least 9 in 2d")
 		md = checkfield(md,'fieldname','mesh.segments','NaN',1,'Inf',1,'>',0,'size',[np.nan,3]);
-		if(len(self.scale_factor)>1):
+		if(np.size(self.scale_factor,axis=0)>1):
                         md = checkfield(md,'fieldname','mesh.scale_factor','NaN',1,'Inf',1,'size',[md.mesh.numberofvertices])